Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

186 files changed, 11716 insertions, 725 deletions

diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index 95650f83ce2e..bc46de3d967f 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -116,9 +116,6 @@ int acpi_pci_bind(struct acpi_device *device)
         struct acpi_pci_data *pdata;
         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
         acpi_handle handle;
-        struct pci_dev *dev;
-        struct pci_bus *bus;
-
 
         if (!device || !device->parent)
                 return -EINVAL;
@@ -176,20 +173,9 @@ int acpi_pci_bind(struct acpi_device *device)
          * Locate matching device in PCI namespace.  If it doesn't exist
          * this typically means that the device isn't currently inserted
          * (e.g. docking station, port replicator, etc.).
-         * We cannot simply search the global pci device list, since
-         * PCI devices are added to the global pci list when the root
-         * bridge start ops are run, which may not have happened yet.
          */
-        bus = pci_find_bus(data->id.segment, data->id.bus);
-        if (bus) {
-                list_for_each_entry(dev, &bus->devices, bus_list) {
-                        if (dev->devfn == PCI_DEVFN(data->id.device,
-                                                    data->id.function)) {
-                                data->dev = dev;
-                                break;
-                        }
-                }
-        }
+        data->dev = pci_get_slot(pdata->bus,
+                                PCI_DEVFN(data->id.device, data->id.function));
         if (!data->dev) {
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                   "Device %04x:%02x:%02x.%d not present in PCI namespace\n",
@@ -259,9 +245,10 @@ int acpi_pci_bind(struct acpi_device *device)
 
       end:
         kfree(buffer.pointer);
-        if (result)
+        if (result) {
+                pci_dev_put(data->dev);
                 kfree(data);
-
+        }
         return result;
 }
 
@@ -303,6 +290,7 @@ static int acpi_pci_unbind(struct acpi_device *device)
         if (data->dev->subordinate) {
                 acpi_pci_irq_del_prt(data->id.segment, data->bus->number);
         }
+        pci_dev_put(data->dev);
         kfree(data);
 
       end:
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 51b9f8280f88..2faa9e2ac893 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -401,7 +401,8 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
                 /* Interrupt Line values above 0xF are forbidden */
                 if (dev->irq > 0 && (dev->irq <= 0xF)) {
                         printk(" - using IRQ %d\n", dev->irq);
-                        acpi_register_gsi(dev->irq, ACPI_LEVEL_SENSITIVE,
+                        acpi_register_gsi(&dev->dev, dev->irq,
+                                          ACPI_LEVEL_SENSITIVE,
                                           ACPI_ACTIVE_LOW);
                         return 0;
                 } else {
@@ -410,7 +411,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
                 }
         }
 
-        rc = acpi_register_gsi(gsi, triggering, polarity);
+        rc = acpi_register_gsi(&dev->dev, gsi, triggering, polarity);
         if (rc < 0) {
                 dev_warn(&dev->dev, "PCI INT %c: failed to register GSI\n",
                          pin_name(pin));
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 45ad3288c5ff..23f0fb84f1c1 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -844,7 +844,7 @@ static int acpi_processor_add(struct acpi_device *device)
         if (!pr)
                 return -ENOMEM;
 
-        if (!alloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
+        if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
                 kfree(pr);
                 return -ENOMEM;
         }
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 72069ba5f1ed..10a2d913635a 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -148,6 +148,9 @@ static void acpi_timer_check_state(int state, struct acpi_processor *pr,
         if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT))
                 return;
 
+        if (boot_cpu_has(X86_FEATURE_AMDC1E))
+                type = ACPI_STATE_C1;
+
         /*
          * Check, if one of the previous states already marked the lapic
          * unstable
@@ -611,6 +614,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
                 switch (cx->type) {
                 case ACPI_STATE_C1:
                         cx->valid = 1;
+                        acpi_timer_check_state(i, pr, cx);
                         break;
 
                 case ACPI_STATE_C2:
@@ -830,11 +834,12 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
 
         /* Do not access any ACPI IO ports in suspend path */
         if (acpi_idle_suspend) {
-                acpi_safe_halt();
                 local_irq_enable();
+                cpu_relax();
                 return 0;
         }
 
+        acpi_state_timer_broadcast(pr, cx, 1);
         kt1 = ktime_get_real();
         acpi_idle_do_entry(cx);
         kt2 = ktime_get_real();
@@ -842,6 +847,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
 
         local_irq_enable();
         cx->usage++;
+        acpi_state_timer_broadcast(pr, cx, 0);
 
         return idle_time;
 }
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index cafb41000f6b..60e543d3234e 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -309,9 +309,15 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
                                   (u32) px->bus_master_latency,
                                   (u32) px->control, (u32) px->status));
 
-                if (!px->core_frequency) {
-                        printk(KERN_ERR PREFIX
-                                    "Invalid _PSS data: freq is zero\n");
+                /*
+                 * Check that ACPI's u64 MHz will be valid as u32 KHz in cpufreq
+                 */
+                if (!px->core_frequency ||
+                    ((u32)(px->core_frequency * 1000) !=
+                     (px->core_frequency * 1000))) {
+                        printk(KERN_ERR FW_BUG PREFIX
+                               "Invalid BIOS _PSS frequency: 0x%llx MHz\n",
+                               px->core_frequency);
                         result = -EFAULT;
                         kfree(pr->performance->states);
                         goto end;
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 7f16f5f8e7d3..227543789ba9 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -840,7 +840,7 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
                 state = acpi_get_throttling_state(pr, value);
                 if (state == -1) {
                         ACPI_WARNING((AE_INFO,
-                                "Invalid throttling state, reset\n"));
+                                "Invalid throttling state, reset"));
                         state = 0;
                         ret = acpi_processor_set_throttling(pr, state);
                         if (ret)
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 810cca90ca7f..1bdfb37377e3 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -570,6 +570,22 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
                 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710Z"),
                 },
         },
+        {
+         .callback = video_set_bqc_offset,
+         .ident = "eMachines E510",
+         .matches = {
+                DMI_MATCH(DMI_BOARD_VENDOR, "EMACHINES"),
+                DMI_MATCH(DMI_PRODUCT_NAME, "eMachines E510"),
+                },
+        },
+        {
+         .callback = video_set_bqc_offset,
+         .ident = "Acer Aspire 5315",
+         .matches = {
+                DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"),
+                },
+        },
         {}
 };
 
@@ -2334,7 +2350,7 @@ static int __init acpi_video_init(void)
         return acpi_video_register();
 }
 
-void __exit acpi_video_exit(void)
+void acpi_video_exit(void)
 {
 
         acpi_bus_unregister_driver(&acpi_video_bus);
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 08186ecbaf8d..6b91c26a4635 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -220,6 +220,7 @@ enum {
         AHCI_HFLAG_NO_HOTPLUG           = (1 << 7), /* ignore PxSERR.DIAG.N */
         AHCI_HFLAG_SECT255              = (1 << 8), /* max 255 sectors */
         AHCI_HFLAG_YES_NCQ              = (1 << 9), /* force NCQ cap on */
+        AHCI_HFLAG_NO_SUSPEND           = (1 << 10), /* don't suspend */
 
         /* ap->flags bits */
 
@@ -2316,9 +2317,17 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg)
 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
 {
         struct ata_host *host = dev_get_drvdata(&pdev->dev);
+        struct ahci_host_priv *hpriv = host->private_data;
         void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
         u32 ctl;
 
+        if (mesg.event & PM_EVENT_SUSPEND &&
+            hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
+                dev_printk(KERN_ERR, &pdev->dev,
+                           "BIOS update required for suspend/resume\n");
+                return -EIO;
+        }
+
         if (mesg.event & PM_EVENT_SLEEP) {
                 /* AHCI spec rev1.1 section 8.3.3:
                  * Software must disable interrupts prior to requesting a
@@ -2610,6 +2619,63 @@ static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
         return false;
 }
 
+static bool ahci_broken_suspend(struct pci_dev *pdev)
+{
+        static const struct dmi_system_id sysids[] = {
+                /*
+                 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
+                 * to the harddisk doesn't become online after
+                 * resuming from STR.  Warn and fail suspend.
+                 */
+                {
+                        .ident = "dv4",
+                        .matches = {
+                                DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                                DMI_MATCH(DMI_PRODUCT_NAME,
+                                          "HP Pavilion dv4 Notebook PC"),
+                        },
+                        .driver_data = "F.30", /* cutoff BIOS version */
+                },
+                {
+                        .ident = "dv5",
+                        .matches = {
+                                DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                                DMI_MATCH(DMI_PRODUCT_NAME,
+                                          "HP Pavilion dv5 Notebook PC"),
+                        },
+                        .driver_data = "F.16", /* cutoff BIOS version */
+                },
+                {
+                        .ident = "dv6",
+                        .matches = {
+                                DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                                DMI_MATCH(DMI_PRODUCT_NAME,
+                                          "HP Pavilion dv6 Notebook PC"),
+                        },
+                        .driver_data = "F.21",  /* cutoff BIOS version */
+                },
+                {
+                        .ident = "HDX18",
+                        .matches = {
+                                DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                                DMI_MATCH(DMI_PRODUCT_NAME,
+                                          "HP HDX18 Notebook PC"),
+                        },
+                        .driver_data = "F.23",  /* cutoff BIOS version */
+                },
+                { }     /* terminate list */
+        };
+        const struct dmi_system_id *dmi = dmi_first_match(sysids);
+        const char *ver;
+
+        if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
+                return false;
+
+        ver = dmi_get_system_info(DMI_BIOS_VERSION);
+
+        return !ver || strcmp(ver, dmi->driver_data) < 0;
+}
+
 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
         static int printed_version;
@@ -2715,6 +2781,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                         "quirky BIOS, skipping spindown on poweroff\n");
         }
 
+        if (ahci_broken_suspend(pdev)) {
+                hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
+                dev_printk(KERN_WARNING, &pdev->dev,
+                           "BIOS update required for suspend/resume\n");
+        }
+
         /* CAP.NP sometimes indicate the index of the last enabled
          * port, at other times, that of the last possible port, so
          * determining the maximum port number requires looking at
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index d51a17c0f59b..1aeb7082b0c4 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1455,6 +1455,15 @@ static bool piix_broken_system_poweroff(struct pci_dev *pdev)
                         /* PCI slot number of the controller */
                         .driver_data = (void *)0x1FUL,
                 },
+                {
+                        .ident = "HP Compaq nc6000",
+                        .matches = {
+                                DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                                DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nc6000"),
+                        },
+                        /* PCI slot number of the controller */
+                        .driver_data = (void *)0x1FUL,
+                },
 
                 { }     /* terminate list */
         };
diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index 751b7ea4816c..fc9c5d6d7d80 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -497,14 +497,16 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
         };
         /* Revision 0x20 added DMA */
         static const struct ata_port_info info_20 = {
-                .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+                .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+                                                        ATA_FLAG_IGN_SIMPLEX,
                 .pio_mask = ATA_PIO4,
                 .mwdma_mask = ATA_MWDMA2,
                 .port_ops = &ali_20_port_ops
         };
         /* Revision 0x20 with support logic added UDMA */
         static const struct ata_port_info info_20_udma = {
-                .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+                .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+                                                        ATA_FLAG_IGN_SIMPLEX,
                 .pio_mask = ATA_PIO4,
                 .mwdma_mask = ATA_MWDMA2,
                 .udma_mask = ATA_UDMA2,
@@ -512,7 +514,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
         };
         /* Revision 0xC2 adds UDMA66 */
         static const struct ata_port_info info_c2 = {
-                .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+                .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+                                                        ATA_FLAG_IGN_SIMPLEX,
                 .pio_mask = ATA_PIO4,
                 .mwdma_mask = ATA_MWDMA2,
                 .udma_mask = ATA_UDMA4,
@@ -520,7 +523,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
         };
         /* Revision 0xC3 is UDMA66 for now */
         static const struct ata_port_info info_c3 = {
-                .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+                .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+                                                        ATA_FLAG_IGN_SIMPLEX,
                 .pio_mask = ATA_PIO4,
                 .mwdma_mask = ATA_MWDMA2,
                 .udma_mask = ATA_UDMA4,
@@ -528,7 +532,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
         };
         /* Revision 0xC4 is UDMA100 */
         static const struct ata_port_info info_c4 = {
-                .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+                .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+                                                        ATA_FLAG_IGN_SIMPLEX,
                 .pio_mask = ATA_PIO4,
                 .mwdma_mask = ATA_MWDMA2,
                 .udma_mask = ATA_UDMA5,
@@ -536,7 +541,7 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
         };
         /* Revision 0xC5 is UDMA133 with LBA48 DMA */
         static const struct ata_port_info info_c5 = {
-                .flags = ATA_FLAG_SLAVE_POSS,
+                .flags = ATA_FLAG_SLAVE_POSS |  ATA_FLAG_IGN_SIMPLEX,
                 .pio_mask = ATA_PIO4,
                 .mwdma_mask = ATA_MWDMA2,
                 .udma_mask = ATA_UDMA6,
diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c
index 2085e0a3a05a..2a6412f5d117 100644
--- a/drivers/ata/pata_efar.c
+++ b/drivers/ata/pata_efar.c
@@ -22,7 +22,7 @@
 #include <linux/ata.h>
 
 #define DRV_NAME        "pata_efar"
-#define DRV_VERSION     "0.4.4"
+#define DRV_VERSION     "0.4.5"
 
 /**
  *      efar_pre_reset  -       Enable bits
@@ -98,18 +98,17 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev)
                             { 2, 1 },
                             { 2, 3 }, };
 
-        if (pio > 2)
-                control |= 1;   /* TIME1 enable */
+        if (pio > 1)
+                control |= 1;   /* TIME */
         if (ata_pio_need_iordy(adev))   /* PIO 3/4 require IORDY */
-                control |= 2;   /* IE enable */
-        /* Intel specifies that the PPE functionality is for disk only */
+                control |= 2;   /* IE */
+        /* Intel specifies that the prefetch/posting is for disk only */
         if (adev->class == ATA_DEV_ATA)
-                control |= 4;   /* PPE enable */
+                control |= 4;   /* PPE */
 
         pci_read_config_word(dev, idetm_port, &idetm_data);
 
-        /* Enable PPE, IE and TIME as appropriate */
-
+        /* Set PPE, IE, and TIME as appropriate */
         if (adev->devno == 0) {
                 idetm_data &= 0xCCF0;
                 idetm_data |= control;
@@ -129,7 +128,7 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev)
                 pci_write_config_byte(dev, 0x44, slave_data);
         }
 
-        idetm_data |= 0x4000;   /* Ensure SITRE is enabled */
+        idetm_data |= 0x4000;   /* Ensure SITRE is set */
         pci_write_config_word(dev, idetm_port, idetm_data);
 }
 
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index f72c6c5b820f..6932e56d179c 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -48,6 +48,7 @@
  *
  */
 
+#include <linux/async.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/pci.h>
@@ -1028,6 +1029,7 @@ static __init int legacy_init_one(struct legacy_probe *probe)
                                 &legacy_sht);
         if (ret)
                 goto fail;
+        async_synchronize_full();
         ld->platform_dev = pdev;
 
         /* Nothing found means we drop the port as its probably not there */
diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c
index bdb236957cb9..f0d52f72f5bb 100644
--- a/drivers/ata/pata_netcell.c
+++ b/drivers/ata/pata_netcell.c
@@ -20,13 +20,24 @@
 
 /* No PIO or DMA methods needed for this device */
 
+static unsigned int netcell_read_id(struct ata_device *adev,
+                                        struct ata_taskfile *tf, u16 *id)
+{
+        unsigned int err_mask = ata_do_dev_read_id(adev, tf, id);
+        /* Firmware forgets to mark words 85-87 valid */
+        if (err_mask == 0)
+                id[ATA_ID_CSF_DEFAULT] |= 0x4000;
+        return err_mask;
+}
+
 static struct scsi_host_template netcell_sht = {
         ATA_BMDMA_SHT(DRV_NAME),
 };
 
 static struct ata_port_operations netcell_ops = {
         .inherits       = &ata_bmdma_port_ops,
-        .cable_detect           = ata_cable_80wire,
+        .cable_detect   = ata_cable_80wire,
+        .read_id        = netcell_read_id,
 };
 
 
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index dc030f1f00f1..c6599618523e 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -700,8 +700,10 @@ int bus_add_driver(struct device_driver *drv)
         }
 
         kobject_uevent(&priv->kobj, KOBJ_ADD);
-        return error;
+        return 0;
 out_unregister:
+        kfree(drv->p);
+        drv->p = NULL;
         kobject_put(&priv->kobj);
 out_put_bus:
         bus_put(bus);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 4aa527b8a913..1977d4beb89e 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -879,7 +879,7 @@ int device_add(struct device *dev)
         }
 
         if (!dev_name(dev))
-                goto done;
+                goto name_error;
 
         pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
 
@@ -978,6 +978,9 @@ done:
         cleanup_device_parent(dev);
         if (parent)
                 put_device(parent);
+name_error:
+        kfree(dev->p);
+        dev->p = NULL;
         goto done;
 }
 
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index c51f11bb29ae..8ae0f63602e0 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -257,6 +257,10 @@ EXPORT_SYMBOL_GPL(driver_register);
  */
 void driver_unregister(struct device_driver *drv)
 {
+        if (!drv || !drv->p) {
+                WARN(1, "Unexpected driver unregister!\n");
+                return;
+        }
         driver_remove_groups(drv, drv->groups);
         bus_remove_driver(drv);
 }
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 69b4ddb7de3b..3e4bc699bc0f 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -357,6 +357,7 @@ static void dpm_power_up(pm_message_t state)
 {
         struct device *dev;
 
+        mutex_lock(&dpm_list_mtx);
         list_for_each_entry(dev, &dpm_list, power.entry)
                 if (dev->power.status > DPM_OFF) {
                         int error;
@@ -366,6 +367,7 @@ static void dpm_power_up(pm_message_t state)
                         if (error)
                                 pm_dev_err(dev, state, " early", error);
                 }
+        mutex_unlock(&dpm_list_mtx);
 }
 
 /**
@@ -614,6 +616,7 @@ int device_power_down(pm_message_t state)
         int error = 0;
 
         suspend_device_irqs();
+        mutex_lock(&dpm_list_mtx);
         list_for_each_entry_reverse(dev, &dpm_list, power.entry) {
                 error = suspend_device_noirq(dev, state);
                 if (error) {
@@ -622,6 +625,7 @@ int device_power_down(pm_message_t state)
                 }
                 dev->power.status = DPM_OFF_IRQ;
         }
+        mutex_unlock(&dpm_list_mtx);
         if (error)
                 device_power_up(resume_event(state));
         return error;
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 340ba4f9dc54..4a9f3492b921 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -224,7 +224,7 @@ static void hpet_timer_set_irq(struct hpet_dev *devp)
                         break;
                 }
 
-                gsi = acpi_register_gsi(irq, ACPI_LEVEL_SENSITIVE,
+                gsi = acpi_register_gsi(NULL, irq, ACPI_LEVEL_SENSITIVE,
                                         ACPI_ACTIVE_LOW);
                 if (gsi > 0)
                         break;
@@ -939,7 +939,7 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
                 irqp = &res->data.extended_irq;
 
                 for (i = 0; i < irqp->interrupt_count; i++) {
-                        irq = acpi_register_gsi(irqp->interrupts[i],
+                        irq = acpi_register_gsi(NULL, irqp->interrupts[i],
                                       irqp->triggering, irqp->polarity);
                         if (irq < 0)
                                 return AE_ERROR;
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index aa83a0865ec1..09050797c76a 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -2856,6 +2856,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
                 /* Assume a single IPMB channel at zero. */
                 intf->channels[0].medium = IPMI_CHANNEL_MEDIUM_IPMB;
                 intf->channels[0].protocol = IPMI_CHANNEL_PROTOCOL_IPMB;
+                intf->curr_channel = IPMI_MAX_CHANNELS;
         }
 
         if (rv == 0)
@@ -3648,13 +3649,13 @@ static int handle_new_recv_msg(ipmi_smi_t          intf,
                 }
 
                 /*
-                ** We need to make sure the channels have been initialized.
-                ** The channel_handler routine will set the "curr_channel"
-                ** equal to or greater than IPMI_MAX_CHANNELS when all the
-                ** channels for this interface have been initialized.
-                */
+                 * We need to make sure the channels have been initialized.
+                 * The channel_handler routine will set the "curr_channel"
+                 * equal to or greater than IPMI_MAX_CHANNELS when all the
+                 * channels for this interface have been initialized.
+                 */
                 if (intf->curr_channel < IPMI_MAX_CHANNELS) {
-                        requeue = 1;     /* Just put the message back for now */
+                        requeue = 0; /* Throw the message away */
                         goto out;
                 }
 
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 8f05c38c2f06..f96d0bef855e 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -694,6 +694,8 @@ static ssize_t read_zero(struct file * file, char __user * buf,
                 written += chunk - unwritten;
                 if (unwritten)
                         break;
+                if (signal_pending(current))
+                        return written ? written : -ERESTARTSYS;
                 buf += chunk;
                 count -= chunk;
                 cond_resched();
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index a420e8d437dd..13f8871e5b21 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -2711,7 +2711,7 @@ static int __init mxser_module_init(void)
                         continue;
 
                 brd = &mxser_boards[m];
-                retval = mxser_get_ISA_conf(!ioaddr[b], brd);
+                retval = mxser_get_ISA_conf(ioaddr[b], brd);
                 if (retval <= 0) {
                         brd->info = NULL;
                         continue;
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index d270e8eb3e67..6e2ec0b18948 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -808,7 +808,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
                 ret = -ENOMEM;
                 goto nomem_out;
         }
-        if (!alloc_cpumask_var(&policy->related_cpus, GFP_KERNEL)) {
+        if (!zalloc_cpumask_var(&policy->related_cpus, GFP_KERNEL)) {
                 free_cpumask_var(policy->cpus);
                 kfree(policy);
                 ret = -ENOMEM;
@@ -1070,11 +1070,11 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev)
         spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
 #endif
 
+        unlock_policy_rwsem_write(cpu);
+
         if (cpufreq_driver->target)
                 __cpufreq_governor(data, CPUFREQ_GOV_STOP);
 
-        unlock_policy_rwsem_write(cpu);
-
         kobject_put(&data->kobj);
 
         /* we need to make sure that the underlying kobj is actually
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 2ecd95e4ab1a..7a74d175287b 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -91,6 +91,9 @@ static unsigned int dbs_enable;	/* number of CPUs using this policy */
  * (like __cpufreq_driver_target()) is being called with dbs_mutex taken, then
  * cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock
  * is recursive for the same process. -Venki
+ * DEADLOCK ALERT! (2) : do_dbs_timer() must not take the dbs_mutex, because it
+ * would deadlock with cancel_delayed_work_sync(), which is needed for proper
+ * raceless workqueue teardown.
  */
 static DEFINE_MUTEX(dbs_mutex);
 
@@ -542,7 +545,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
 static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
 {
         dbs_info->enable = 0;
-        cancel_delayed_work(&dbs_info->work);
+        cancel_delayed_work_sync(&dbs_info->work);
 }
 
 static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 338f428a15b7..e741c339df76 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -98,6 +98,9 @@ static unsigned int dbs_enable;	/* number of CPUs using this policy */
  * (like __cpufreq_driver_target()) is being called with dbs_mutex taken, then
  * cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock
  * is recursive for the same process. -Venki
+ * DEADLOCK ALERT! (2) : do_dbs_timer() must not take the dbs_mutex, because it
+ * would deadlock with cancel_delayed_work_sync(), which is needed for proper
+ * raceless workqueue teardown.
  */
 static DEFINE_MUTEX(dbs_mutex);
 
@@ -562,7 +565,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
 static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
 {
         dbs_info->enable = 0;
-        cancel_delayed_work(&dbs_info->work);
+        cancel_delayed_work_sync(&dbs_info->work);
 }
 
 static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index da8a8ed9e411..f18d1bde0439 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -179,9 +179,14 @@ static void dma_halt(struct fsl_dma_chan *fsl_chan)
 static void set_ld_eol(struct fsl_dma_chan *fsl_chan,
                         struct fsl_desc_sw *desc)
 {
+        u64 snoop_bits;
+
+        snoop_bits = ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_83XX)
+                ? FSL_DMA_SNEN : 0;
+
         desc->hw.next_ln_addr = CPU_TO_DMA(fsl_chan,
-                DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL,
-                64);
+                DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL
+                        | snoop_bits, 64);
 }
 
 static void append_ld_queue(struct fsl_dma_chan *fsl_chan,
@@ -313,8 +318,8 @@ static void fsl_chan_toggle_ext_start(struct fsl_dma_chan *fsl_chan, int enable)
 
 static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
 {
-        struct fsl_desc_sw *desc = tx_to_fsl_desc(tx);
         struct fsl_dma_chan *fsl_chan = to_fsl_chan(tx->chan);
+        struct fsl_desc_sw *desc;
         unsigned long flags;
         dma_cookie_t cookie;
 
@@ -322,14 +327,17 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
         spin_lock_irqsave(&fsl_chan->desc_lock, flags);
 
         cookie = fsl_chan->common.cookie;
-        cookie++;
-        if (cookie < 0)
-                cookie = 1;
-        desc->async_tx.cookie = cookie;
-        fsl_chan->common.cookie = desc->async_tx.cookie;
+        list_for_each_entry(desc, &tx->tx_list, node) {
+                cookie++;
+                if (cookie < 0)
+                        cookie = 1;
 
-        append_ld_queue(fsl_chan, desc);
-        list_splice_init(&desc->async_tx.tx_list, fsl_chan->ld_queue.prev);
+                desc->async_tx.cookie = cookie;
+        }
+
+        fsl_chan->common.cookie = cookie;
+        append_ld_queue(fsl_chan, tx_to_fsl_desc(tx));
+        list_splice_init(&tx->tx_list, fsl_chan->ld_queue.prev);
 
         spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
 
@@ -454,8 +462,8 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
 {
         struct fsl_dma_chan *fsl_chan;
         struct fsl_desc_sw *first = NULL, *prev = NULL, *new;
+        struct list_head *list;
         size_t copy;
-        LIST_HEAD(link_chain);
 
         if (!chan)
                 return NULL;
@@ -472,7 +480,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
                 if (!new) {
                         dev_err(fsl_chan->dev,
                                         "No free memory for link descriptor\n");
-                        return NULL;
+                        goto fail;
                 }
 #ifdef FSL_DMA_LD_DEBUG
                 dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new);
@@ -507,7 +515,19 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
         /* Set End-of-link to the last link descriptor of new list*/
         set_ld_eol(fsl_chan, new);
 
-        return first ? &first->async_tx : NULL;
+        return &first->async_tx;
+
+fail:
+        if (!first)
+                return NULL;
+
+        list = &first->async_tx.tx_list;
+        list_for_each_entry_safe_reverse(new, prev, list, node) {
+                list_del(&new->node);
+                dma_pool_free(fsl_chan->desc_pool, new, new->async_tx.phys);
+        }
+
+        return NULL;
 }
 
 /**
@@ -598,15 +618,16 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
         dma_addr_t next_dest_addr;
         unsigned long flags;
 
+        spin_lock_irqsave(&fsl_chan->desc_lock, flags);
+
         if (!dma_is_idle(fsl_chan))
-                return;
+                goto out_unlock;
 
         dma_halt(fsl_chan);
 
         /* If there are some link descriptors
          * not transfered in queue. We need to start it.
          */
-        spin_lock_irqsave(&fsl_chan->desc_lock, flags);
 
         /* Find the first un-transfer desciptor */
         for (ld_node = fsl_chan->ld_queue.next;
@@ -617,19 +638,20 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
                                 fsl_chan->common.cookie) == DMA_SUCCESS);
                 ld_node = ld_node->next);
 
-        spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
-
         if (ld_node != &fsl_chan->ld_queue) {
                 /* Get the ld start address from ld_queue */
                 next_dest_addr = to_fsl_desc(ld_node)->async_tx.phys;
-                dev_dbg(fsl_chan->dev, "xfer LDs staring from %p\n",
-                                (void *)next_dest_addr);
+                dev_dbg(fsl_chan->dev, "xfer LDs staring from 0x%llx\n",
+                                (unsigned long long)next_dest_addr);
                 set_cdar(fsl_chan, next_dest_addr);
                 dma_start(fsl_chan);
         } else {
                 set_cdar(fsl_chan, 0);
                 set_ndar(fsl_chan, 0);
         }
+
+out_unlock:
+        spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
 }
 
 /**
@@ -734,8 +756,9 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
          */
         if (stat & FSL_DMA_SR_EOSI) {
                 dev_dbg(fsl_chan->dev, "event: End-of-segments INT\n");
-                dev_dbg(fsl_chan->dev, "event: clndar %p, nlndar %p\n",
-                        (void *)get_cdar(fsl_chan), (void *)get_ndar(fsl_chan));
+                dev_dbg(fsl_chan->dev, "event: clndar 0x%llx, nlndar 0x%llx\n",
+                        (unsigned long long)get_cdar(fsl_chan),
+                        (unsigned long long)get_ndar(fsl_chan));
                 stat &= ~FSL_DMA_SR_EOSI;
                 update_cookie = 1;
         }
@@ -830,7 +853,7 @@ static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev,
                         new_fsl_chan->reg.end - new_fsl_chan->reg.start + 1);
 
         new_fsl_chan->id = ((new_fsl_chan->reg.start - 0x100) & 0xfff) >> 7;
-        if (new_fsl_chan->id > FSL_DMA_MAX_CHANS_PER_DEVICE) {
+        if (new_fsl_chan->id >= FSL_DMA_MAX_CHANS_PER_DEVICE) {
                 dev_err(fdev->dev, "There is no %d channel!\n",
                                 new_fsl_chan->id);
                 err = -EINVAL;
@@ -925,8 +948,8 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
         }
 
         dev_info(&dev->dev, "Probe the Freescale DMA driver for %s "
-                        "controller at %p...\n",
-                        match->compatible, (void *)fdev->reg.start);
+                        "controller at 0x%llx...\n",
+                        match->compatible, (unsigned long long)fdev->reg.start);
         fdev->reg_base = ioremap(fdev->reg.start, fdev->reg.end
                                                 - fdev->reg.start + 1);
 
diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index 1955ee8d6d20..a600fc0f7962 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -173,7 +173,7 @@ static int ioat_dma_enumerate_channels(struct ioatdma_device *device)
         xfercap = (xfercap_scale == 0 ? -1 : (1UL << xfercap_scale));
 
 #ifdef  CONFIG_I7300_IDLE_IOAT_CHANNEL
-        if (i7300_idle_platform_probe(NULL, NULL) == 0) {
+        if (i7300_idle_platform_probe(NULL, NULL, 1) == 0) {
                 device->common.chancnt--;
         }
 #endif
diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index e5f5c5a8ba6c..956982f8739b 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -192,16 +192,20 @@ config EDAC_PPC4XX
 
 config EDAC_AMD8131
         tristate "AMD8131 HyperTransport PCI-X Tunnel"
-        depends on EDAC_MM_EDAC && PCI
+        depends on EDAC_MM_EDAC && PCI && PPC_MAPLE
         help
           Support for error detection and correction on the
           AMD8131 HyperTransport PCI-X Tunnel chip.
+          Note, add more Kconfig dependency if it's adopted
+          on some machine other than Maple.
 
 config EDAC_AMD8111
         tristate "AMD8111 HyperTransport I/O Hub"
-        depends on EDAC_MM_EDAC && PCI
+        depends on EDAC_MM_EDAC && PCI && PPC_MAPLE
         help
           Support for error detection and correction on the
           AMD8111 HyperTransport I/O Hub chip.
+          Note, add more Kconfig dependency if it's adopted
+          on some machine other than Maple.
 
 endif # EDAC
diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
index a5fdcf02f591..59076819135d 100644
--- a/drivers/edac/Makefile
+++ b/drivers/edac/Makefile
@@ -35,3 +35,5 @@ obj-$(CONFIG_EDAC_MPC85XX)		+= mpc85xx_edac.o
 obj-$(CONFIG_EDAC_MV64X60)              += mv64x60_edac.o
 obj-$(CONFIG_EDAC_CELL)                 += cell_edac.o
 obj-$(CONFIG_EDAC_PPC4XX)               += ppc4xx_edac.o
+obj-$(CONFIG_EDAC_AMD8111)              += amd8111_edac.o
+obj-$(CONFIG_EDAC_AMD8131)              += amd8131_edac.o
diff --git a/drivers/edac/amd8111_edac.c b/drivers/edac/amd8111_edac.c
index 614692181120..2cb58ef743e0 100644
--- a/drivers/edac/amd8111_edac.c
+++ b/drivers/edac/amd8111_edac.c
@@ -389,7 +389,7 @@ static int amd8111_dev_probe(struct pci_dev *dev,
         dev_info->edac_dev->dev = &dev_info->dev->dev;
         dev_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR;
         dev_info->edac_dev->ctl_name = dev_info->ctl_name;
-        dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id;
+        dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev);
 
         if (edac_op_state == EDAC_OPSTATE_POLL)
                 dev_info->edac_dev->edac_check = dev_info->check;
@@ -473,7 +473,7 @@ static int amd8111_pci_probe(struct pci_dev *dev,
         pci_info->edac_dev->dev = &pci_info->dev->dev;
         pci_info->edac_dev->mod_name = AMD8111_EDAC_MOD_STR;
         pci_info->edac_dev->ctl_name = pci_info->ctl_name;
-        pci_info->edac_dev->dev_name = pci_info->dev->dev.bus_id;
+        pci_info->edac_dev->dev_name = dev_name(&pci_info->dev->dev);
 
         if (edac_op_state == EDAC_OPSTATE_POLL)
                 pci_info->edac_dev->edac_check = pci_info->check;
diff --git a/drivers/edac/amd8131_edac.c b/drivers/edac/amd8131_edac.c
index c083b31cac5a..b432d60c622a 100644
--- a/drivers/edac/amd8131_edac.c
+++ b/drivers/edac/amd8131_edac.c
@@ -287,7 +287,7 @@ static int amd8131_probe(struct pci_dev *dev, const struct pci_device_id *id)
         dev_info->edac_dev->dev = &dev_info->dev->dev;
         dev_info->edac_dev->mod_name = AMD8131_EDAC_MOD_STR;
         dev_info->edac_dev->ctl_name = dev_info->ctl_name;
-        dev_info->edac_dev->dev_name = dev_info->dev->dev.bus_id;
+        dev_info->edac_dev->dev_name = dev_name(&dev_info->dev->dev);
 
         if (edac_op_state == EDAC_OPSTATE_POLL)
                 dev_info->edac_dev->edac_check = amd8131_chipset.check;
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 4cd35d8fd799..f5d46e7199d4 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -67,12 +67,18 @@ config DRM_I830
           will load the correct one.
 
 config DRM_I915
+        tristate "i915 driver"
         select FB_CFB_FILLRECT
         select FB_CFB_COPYAREA
         select FB_CFB_IMAGEBLIT
         select FB
         select FRAMEBUFFER_CONSOLE if !EMBEDDED
-        tristate "i915 driver"
+        # i915 depends on ACPI_VIDEO when ACPI is enabled
+        # but for select to work, need to select ACPI_VIDEO's dependencies, ick
+        select VIDEO_OUTPUT_CONTROL if ACPI
+        select BACKLIGHT_CLASS_DEVICE if ACPI
+        select INPUT if ACPI
+        select ACPI_VIDEO if ACPI
         help
           Choose this option if you have a system that has Intel 830M, 845G,
           852GM, 855GM 865G or 915G integrated graphics.  If M is selected, the
@@ -84,12 +90,6 @@ config DRM_I915
 config DRM_I915_KMS
         bool "Enable modesetting on intel by default"
         depends on DRM_I915
-        # i915 KMS depends on ACPI_VIDEO when ACPI is enabled
-        # but for select to work, need to select ACPI_VIDEO's dependencies, ick
-        select VIDEO_OUTPUT_CONTROL if ACPI
-        select BACKLIGHT_CLASS_DEVICE if ACPI
-        select INPUT if ACPI
-        select ACPI_VIDEO if ACPI
         help
           Choose this option if you want kernel modesetting enabled by default,
           and you have a new enough userspace to support this. Running old
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 94a768871734..8fab7890a363 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2294,7 +2294,12 @@ int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
                 }
         }
 
-        if (connector->funcs->set_property)
+        /* Do DPMS ourselves */
+        if (property == connector->dev->mode_config.dpms_property) {
+                if (connector->funcs->dpms)
+                        (*connector->funcs->dpms)(connector, (int) out_resp->value);
+                ret = 0;
+        } else if (connector->funcs->set_property)
                 ret = connector->funcs->set_property(connector, property, out_resp->value);
 
         /* store the property value if succesful */
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 45890447feec..a6f73f1e99d9 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -199,6 +199,29 @@ static void drm_helper_add_std_modes(struct drm_device *dev,
 }
 
 /**
+ * drm_helper_encoder_in_use - check if a given encoder is in use
+ * @encoder: encoder to check
+ *
+ * LOCKING:
+ * Caller must hold mode config lock.
+ *
+ * Walk @encoders's DRM device's mode_config and see if it's in use.
+ *
+ * RETURNS:
+ * True if @encoder is part of the mode_config, false otherwise.
+ */
+bool drm_helper_encoder_in_use(struct drm_encoder *encoder)
+{
+        struct drm_connector *connector;
+        struct drm_device *dev = encoder->dev;
+        list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+                if (connector->encoder == encoder)
+                        return true;
+        return false;
+}
+EXPORT_SYMBOL(drm_helper_encoder_in_use);
+
+/**
  * drm_helper_crtc_in_use - check if a given CRTC is in a mode_config
  * @crtc: CRTC to check
  *
@@ -216,7 +239,7 @@ bool drm_helper_crtc_in_use(struct drm_crtc *crtc)
         struct drm_device *dev = crtc->dev;
         /* FIXME: Locking around list access? */
         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
-                if (encoder->crtc == crtc)
+                if (encoder->crtc == crtc && drm_helper_encoder_in_use(encoder))
                         return true;
         return false;
 }
@@ -240,7 +263,7 @@ void drm_helper_disable_unused_functions(struct drm_device *dev)
 
         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
                 encoder_funcs = encoder->helper_private;
-                if (!encoder->crtc)
+                if (!drm_helper_encoder_in_use(encoder))
                         (*encoder_funcs->dpms)(encoder, DRM_MODE_DPMS_OFF);
         }
 
@@ -935,6 +958,88 @@ bool drm_helper_initial_config(struct drm_device *dev)
 }
 EXPORT_SYMBOL(drm_helper_initial_config);
 
+static int drm_helper_choose_encoder_dpms(struct drm_encoder *encoder)
+{
+        int dpms = DRM_MODE_DPMS_OFF;
+        struct drm_connector *connector;
+        struct drm_device *dev = encoder->dev;
+
+        list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+                if (connector->encoder == encoder)
+                        if (connector->dpms < dpms)
+                                dpms = connector->dpms;
+        return dpms;
+}
+
+static int drm_helper_choose_crtc_dpms(struct drm_crtc *crtc)
+{
+        int dpms = DRM_MODE_DPMS_OFF;
+        struct drm_connector *connector;
+        struct drm_device *dev = crtc->dev;
+
+        list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+                if (connector->encoder && connector->encoder->crtc == crtc)
+                        if (connector->dpms < dpms)
+                                dpms = connector->dpms;
+        return dpms;
+}
+
+/**
+ * drm_helper_connector_dpms
+ * @connector affected connector
+ * @mode DPMS mode
+ *
+ * Calls the low-level connector DPMS function, then
+ * calls appropriate encoder and crtc DPMS functions as well
+ */
+void drm_helper_connector_dpms(struct drm_connector *connector, int mode)
+{
+        struct drm_encoder *encoder = connector->encoder;
+        struct drm_crtc *crtc = encoder ? encoder->crtc : NULL;
+        int old_dpms;
+
+        if (mode == connector->dpms)
+                return;
+
+        old_dpms = connector->dpms;
+        connector->dpms = mode;
+
+        /* from off to on, do crtc then encoder */
+        if (mode < old_dpms) {
+                if (crtc) {
+                        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+                        if (crtc_funcs->dpms)
+                                (*crtc_funcs->dpms) (crtc,
+                                                     drm_helper_choose_crtc_dpms(crtc));
+                }
+                if (encoder) {
+                        struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+                        if (encoder_funcs->dpms)
+                                (*encoder_funcs->dpms) (encoder,
+                                                        drm_helper_choose_encoder_dpms(encoder));
+                }
+        }
+
+        /* from on to off, do encoder then crtc */
+        if (mode > old_dpms) {
+                if (encoder) {
+                        struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+                        if (encoder_funcs->dpms)
+                                (*encoder_funcs->dpms) (encoder,
+                                                        drm_helper_choose_encoder_dpms(encoder));
+                }
+                if (crtc) {
+                        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+                        if (crtc_funcs->dpms)
+                                (*crtc_funcs->dpms) (crtc,
+                                                     drm_helper_choose_crtc_dpms(crtc));
+                }
+        }
+
+        return;
+}
+EXPORT_SYMBOL(drm_helper_connector_dpms);
+
 /**
  * drm_hotplug_stage_two
  * @dev DRM device
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index ca9c61656714..6f6b26479d82 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -289,6 +289,11 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
         struct drm_display_mode *mode;
         struct detailed_pixel_timing *pt = &timing->data.pixel_data;
 
+        /* ignore tiny modes */
+        if (((pt->hactive_hi << 8) | pt->hactive_lo) < 64 ||
+            ((pt->vactive_hi << 8) | pt->hactive_lo) < 64)
+                return NULL;
+
         if (pt->stereo) {
                 printk(KERN_WARNING "stereo mode not supported\n");
                 return NULL;
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 93e677a481f5..fc8e5acd9d9a 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -196,6 +196,7 @@ int drm_irq_install(struct drm_device *dev)
 {
         int ret = 0;
         unsigned long sh_flags = 0;
+        char *irqname;
 
         if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
                 return -EINVAL;
@@ -227,8 +228,13 @@ int drm_irq_install(struct drm_device *dev)
         if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED))
                 sh_flags = IRQF_SHARED;
 
+        if (dev->devname)
+                irqname = dev->devname;
+        else
+                irqname = dev->driver->name;
+
         ret = request_irq(drm_dev_to_irq(dev), dev->driver->irq_handler,
-                          sh_flags, dev->devname, dev);
+                          sh_flags, irqname, dev);
 
         if (ret < 0) {
                 mutex_lock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 8f9372921f82..9987ab880835 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -147,7 +147,7 @@ static ssize_t status_show(struct device *device,
         enum drm_connector_status status;
 
         status = connector->funcs->detect(connector);
-        return snprintf(buf, PAGE_SIZE, "%s",
+        return snprintf(buf, PAGE_SIZE, "%s\n",
                         drm_get_connector_status_name(status));
 }
 
@@ -166,7 +166,7 @@ static ssize_t dpms_show(struct device *device,
         if (ret)
                 return 0;
 
-        return snprintf(buf, PAGE_SIZE, "%s",
+        return snprintf(buf, PAGE_SIZE, "%s\n",
                         drm_get_dpms_name((int)dpms_status));
 }
 
@@ -176,7 +176,7 @@ static ssize_t enabled_show(struct device *device,
 {
         struct drm_connector *connector = to_drm_connector(device);
 
-        return snprintf(buf, PAGE_SIZE, connector->encoder ? "enabled" :
+        return snprintf(buf, PAGE_SIZE, "%s\n", connector->encoder ? "enabled" :
                         "disabled");
 }
 
@@ -317,6 +317,7 @@ static struct device_attribute connector_attrs_opt1[] = {
 
 static struct bin_attribute edid_attr = {
         .attr.name = "edid",
+        .attr.mode = 0444,
         .size = 128,
         .read = edid_show,
 };
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 53d544552625..0ccb63ee50ee 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -987,12 +987,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
         int fb_bar = IS_I9XX(dev) ? 2 : 0;
         int ret = 0;
 
-        dev->devname = kstrdup(DRIVER_NAME, GFP_KERNEL);
-        if (!dev->devname) {
-                ret = -ENOMEM;
-                goto out;
-        }
-
         dev->mode_config.fb_base = drm_get_resource_start(dev, fb_bar) &
                 0xff000000;
 
@@ -1006,7 +1000,7 @@ static int i915_load_modeset_init(struct drm_device *dev)
 
         ret = i915_probe_agp(dev, &agp_size, &prealloc_size);
         if (ret)
-                goto kfree_devname;
+                goto out;
 
         /* Basic memrange allocator for stolen space (aka vram) */
         drm_mm_init(&dev_priv->vram, 0, prealloc_size);
@@ -1024,7 +1018,7 @@ static int i915_load_modeset_init(struct drm_device *dev)
 
         ret = i915_gem_init_ringbuffer(dev);
         if (ret)
-                goto kfree_devname;
+                goto out;
 
         /* Allow hardware batchbuffers unless told otherwise.
          */
@@ -1056,8 +1050,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
 
 destroy_ringbuffer:
         i915_gem_cleanup_ringbuffer(dev);
-kfree_devname:
-        kfree(dev->devname);
 out:
         return ret;
 }
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9b149fe824c3..c431fa54bbb5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -180,7 +180,8 @@ typedef struct drm_i915_private {
         int backlight_duty_cycle;  /* restore backlight to this value */
         bool panel_wants_dither;
         struct drm_display_mode *panel_fixed_mode;
-        struct drm_display_mode *vbt_mode; /* if any */
+        struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
+        struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
 
         /* Feature bits from the VBIOS */
         unsigned int int_tv_support:1;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b189b49c7602..39f5c658ef5e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -349,7 +349,7 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj,
         last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
         num_pages = last_data_page - first_data_page + 1;
 
-        user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+        user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
         if (user_pages == NULL)
                 return -ENOMEM;
 
@@ -429,7 +429,7 @@ fail_put_user_pages:
                 SetPageDirty(user_pages[i]);
                 page_cache_release(user_pages[i]);
         }
-        kfree(user_pages);
+        drm_free_large(user_pages);
 
         return ret;
 }
@@ -649,7 +649,7 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
         last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
         num_pages = last_data_page - first_data_page + 1;
 
-        user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+        user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
         if (user_pages == NULL)
                 return -ENOMEM;
 
@@ -719,7 +719,7 @@ out_unlock:
 out_unpin_pages:
         for (i = 0; i < pinned_pages; i++)
                 page_cache_release(user_pages[i]);
-        kfree(user_pages);
+        drm_free_large(user_pages);
 
         return ret;
 }
@@ -824,7 +824,7 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
         last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
         num_pages = last_data_page - first_data_page + 1;
 
-        user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+        user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
         if (user_pages == NULL)
                 return -ENOMEM;
 
@@ -902,7 +902,7 @@ fail_unlock:
 fail_put_user_pages:
         for (i = 0; i < pinned_pages; i++)
                 page_cache_release(user_pages[i]);
-        kfree(user_pages);
+        drm_free_large(user_pages);
 
         return ret;
 }
@@ -1145,7 +1145,14 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
                         mutex_unlock(&dev->struct_mutex);
                         return VM_FAULT_SIGBUS;
                 }
-                list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
+
+                ret = i915_gem_object_set_to_gtt_domain(obj, write);
+                if (ret) {
+                        mutex_unlock(&dev->struct_mutex);
+                        return VM_FAULT_SIGBUS;
+                }
+
+                list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
         }
 
         /* Need a new fence register? */
@@ -1375,7 +1382,7 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
                         mutex_unlock(&dev->struct_mutex);
                         return ret;
                 }
-                list_add(&obj_priv->list, &dev_priv->mm.inactive_list);
+                list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
         }
 
         drm_gem_object_unreference(obj);
@@ -1408,9 +1415,7 @@ i915_gem_object_put_pages(struct drm_gem_object *obj)
                 }
         obj_priv->dirty = 0;
 
-        drm_free(obj_priv->pages,
-                 page_count * sizeof(struct page *),
-                 DRM_MEM_DRIVER);
+        drm_free_large(obj_priv->pages);
         obj_priv->pages = NULL;
 }
 
@@ -2024,8 +2029,7 @@ i915_gem_object_get_pages(struct drm_gem_object *obj)
          */
         page_count = obj->size / PAGE_SIZE;
         BUG_ON(obj_priv->pages != NULL);
-        obj_priv->pages = drm_calloc(page_count, sizeof(struct page *),
-                                     DRM_MEM_DRIVER);
+        obj_priv->pages = drm_calloc_large(page_count, sizeof(struct page *));
         if (obj_priv->pages == NULL) {
                 DRM_ERROR("Faled to allocate page list\n");
                 obj_priv->pages_refcount--;
@@ -2131,8 +2135,10 @@ static void i830_write_fence_reg(struct drm_i915_fence_reg *reg)
                 return;
         }
 
-        pitch_val = (obj_priv->stride / 128) - 1;
-        WARN_ON(pitch_val & ~0x0000000f);
+        pitch_val = obj_priv->stride / 128;
+        pitch_val = ffs(pitch_val) - 1;
+        WARN_ON(pitch_val > I830_FENCE_MAX_PITCH_VAL);
+
         val = obj_priv->gtt_offset;
         if (obj_priv->tiling_mode == I915_TILING_Y)
                 val |= 1 << I830_FENCE_TILING_Y_SHIFT;
@@ -2254,9 +2260,6 @@ try_again:
                         goto try_again;
                 }
 
-                BUG_ON(old_obj_priv->active ||
-                       (reg->obj->write_domain & I915_GEM_GPU_DOMAINS));
-
                 /*
                  * Zap this virtual mapping so we can set up a fence again
                  * for this object next time we need it.
@@ -2424,6 +2427,16 @@ i915_gem_clflush_object(struct drm_gem_object *obj)
         if (obj_priv->pages == NULL)
                 return;
 
+        /* XXX: The 865 in particular appears to be weird in how it handles
+         * cache flushing.  We haven't figured it out, but the
+         * clflush+agp_chipset_flush doesn't appear to successfully get the
+         * data visible to the PGU, while wbinvd + agp_chipset_flush does.
+         */
+        if (IS_I865G(obj->dev)) {
+                wbinvd();
+                return;
+        }
+
         drm_clflush_pages(obj_priv->pages, obj->size / PAGE_SIZE);
 }
 
@@ -3111,7 +3124,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
                 reloc_count += exec_list[i].relocation_count;
         }
 
-        *relocs = drm_calloc(reloc_count, sizeof(**relocs), DRM_MEM_DRIVER);
+        *relocs = drm_calloc_large(reloc_count, sizeof(**relocs));
         if (*relocs == NULL)
                 return -ENOMEM;
 
@@ -3125,8 +3138,7 @@ i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
                                      exec_list[i].relocation_count *
                                      sizeof(**relocs));
                 if (ret != 0) {
-                        drm_free(*relocs, reloc_count * sizeof(**relocs),
-                                 DRM_MEM_DRIVER);
+                        drm_free_large(*relocs);
                         *relocs = NULL;
                         return -EFAULT;
                 }
@@ -3165,7 +3177,7 @@ i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object *exec_list,
         }
 
 err:
-        drm_free(relocs, reloc_count * sizeof(*relocs), DRM_MEM_DRIVER);
+        drm_free_large(relocs);
 
         return ret;
 }
@@ -3198,10 +3210,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
                 return -EINVAL;
         }
         /* Copy in the exec list from userland */
-        exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count,
-                               DRM_MEM_DRIVER);
-        object_list = drm_calloc(sizeof(*object_list), args->buffer_count,
-                                 DRM_MEM_DRIVER);
+        exec_list = drm_calloc_large(sizeof(*exec_list), args->buffer_count);
+        object_list = drm_calloc_large(sizeof(*object_list), args->buffer_count);
         if (exec_list == NULL || object_list == NULL) {
                 DRM_ERROR("Failed to allocate exec or object list "
                           "for %d buffers\n",
@@ -3462,10 +3472,8 @@ err:
         }
 
 pre_mutex_err:
-        drm_free(object_list, sizeof(*object_list) * args->buffer_count,
-                 DRM_MEM_DRIVER);
-        drm_free(exec_list, sizeof(*exec_list) * args->buffer_count,
-                 DRM_MEM_DRIVER);
+        drm_free_large(object_list);
+        drm_free_large(exec_list);
         drm_free(cliprects, sizeof(*cliprects) * args->num_cliprects,
                  DRM_MEM_DRIVER);
 
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 52a059354e83..540dd336e6ec 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -213,7 +213,8 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
         if (tiling_mode == I915_TILING_NONE)
                 return true;
 
-        if (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))
+        if (!IS_I9XX(dev) ||
+            (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)))
                 tile_width = 128;
         else
                 tile_width = 512;
@@ -225,11 +226,18 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
                 if (stride / 128 > I965_FENCE_MAX_PITCH_VAL)
                         return false;
         } else if (IS_I9XX(dev)) {
-                if (stride / tile_width > I830_FENCE_MAX_PITCH_VAL ||
+                uint32_t pitch_val = ffs(stride / tile_width) - 1;
+
+                /* XXX: For Y tiling, FENCE_MAX_PITCH_VAL is actually 6 (8KB)
+                 * instead of 4 (2KB) on 945s.
+                 */
+                if (pitch_val > I915_FENCE_MAX_PITCH_VAL ||
                     size > (I830_FENCE_MAX_SIZE_VAL << 20))
                         return false;
         } else {
-                if (stride / 128 > I830_FENCE_MAX_PITCH_VAL ||
+                uint32_t pitch_val = ffs(stride / tile_width) - 1;
+
+                if (pitch_val > I830_FENCE_MAX_PITCH_VAL ||
                     size > (I830_FENCE_MAX_SIZE_VAL << 19))
                         return false;
         }
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 15da44cf21b1..375569d01d01 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -190,7 +190,8 @@
 #define   I830_FENCE_SIZE_BITS(size)    ((ffs((size) >> 19) - 1) << 8)
 #define   I830_FENCE_PITCH_SHIFT        4
 #define   I830_FENCE_REG_VALID          (1<<0)
-#define   I830_FENCE_MAX_PITCH_VAL      0x10
+#define   I915_FENCE_MAX_PITCH_VAL      0x10
+#define   I830_FENCE_MAX_PITCH_VAL      6
 #define   I830_FENCE_MAX_SIZE_VAL       (1<<8)
 
 #define   I915_FENCE_START_MASK         0x0ff00000
@@ -1410,9 +1411,25 @@
 
 /* Cursor A & B regs */
 #define CURACNTR                0x70080
+/* Old style CUR*CNTR flags (desktop 8xx) */
+#define   CURSOR_ENABLE         0x80000000
+#define   CURSOR_GAMMA_ENABLE   0x40000000
+#define   CURSOR_STRIDE_MASK    0x30000000
+#define   CURSOR_FORMAT_SHIFT   24
+#define   CURSOR_FORMAT_MASK    (0x07 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_2C      (0x00 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_3C      (0x01 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_4C      (0x02 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_ARGB    (0x04 << CURSOR_FORMAT_SHIFT)
+#define   CURSOR_FORMAT_XRGB    (0x05 << CURSOR_FORMAT_SHIFT)
+/* New style CUR*CNTR flags */
+#define   CURSOR_MODE           0x27
 #define   CURSOR_MODE_DISABLE   0x00
 #define   CURSOR_MODE_64_32B_AX 0x07
 #define   CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
+#define   MCURSOR_PIPE_SELECT   (1 << 28)
+#define   MCURSOR_PIPE_A        0x00
+#define   MCURSOR_PIPE_B        (1 << 28)
 #define   MCURSOR_GAMMA_ENABLE  (1 << 26)
 #define CURABASE                0x70084
 #define CURAPOS                 0x70088
@@ -1420,6 +1437,7 @@
 #define   CURSOR_POS_SIGN       0x8000
 #define   CURSOR_X_SHIFT        0
 #define   CURSOR_Y_SHIFT        16
+#define CURSIZE                 0x700a0
 #define CURBCNTR                0x700c0
 #define CURBBASE                0x700c4
 #define CURBPOS                 0x700c8
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index fc28e2bbd542..9d78cff33b24 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -57,9 +57,43 @@ find_section(struct bdb_header *bdb, int section_id)
         return NULL;
 }
 
-/* Try to find panel data */
 static void
-parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
+fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
+                        struct lvds_dvo_timing *dvo_timing)
+{
+        panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
+                dvo_timing->hactive_lo;
+        panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
+                ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
+        panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
+                dvo_timing->hsync_pulse_width;
+        panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
+                ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+
+        panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
+                dvo_timing->vactive_lo;
+        panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
+                dvo_timing->vsync_off;
+        panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
+                dvo_timing->vsync_pulse_width;
+        panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
+                ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
+        panel_fixed_mode->clock = dvo_timing->clock * 10;
+        panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+
+        /* Some VBTs have bogus h/vtotal values */
+        if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
+                panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
+        if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
+                panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+
+        drm_mode_set_name(panel_fixed_mode);
+}
+
+/* Try to find integrated panel data */
+static void
+parse_lfp_panel_data(struct drm_i915_private *dev_priv,
+                            struct bdb_header *bdb)
 {
         struct bdb_lvds_options *lvds_options;
         struct bdb_lvds_lfp_data *lvds_lfp_data;
@@ -91,38 +125,45 @@ parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
         panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
                                       DRM_MEM_DRIVER);
 
-        panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
-                dvo_timing->hactive_lo;
-        panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
-                ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
-        panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
-                dvo_timing->hsync_pulse_width;
-        panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
-                ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+        fill_detail_timing_data(panel_fixed_mode, dvo_timing);
 
-        panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
-                dvo_timing->vactive_lo;
-        panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
-                dvo_timing->vsync_off;
-        panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
-                dvo_timing->vsync_pulse_width;
-        panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
-                ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
-        panel_fixed_mode->clock = dvo_timing->clock * 10;
-        panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+        dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
 
-        /* Some VBTs have bogus h/vtotal values */
-        if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
-                panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
-        if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
-                panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+        DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
+        drm_mode_debug_printmodeline(panel_fixed_mode);
 
-        drm_mode_set_name(panel_fixed_mode);
+        return;
+}
+
+/* Try to find sdvo panel data */
+static void
+parse_sdvo_panel_data(struct drm_i915_private *dev_priv,
+                      struct bdb_header *bdb)
+{
+        struct bdb_sdvo_lvds_options *sdvo_lvds_options;
+        struct lvds_dvo_timing *dvo_timing;
+        struct drm_display_mode *panel_fixed_mode;
 
-        dev_priv->vbt_mode = panel_fixed_mode;
+        dev_priv->sdvo_lvds_vbt_mode = NULL;
 
-        DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
-        drm_mode_debug_printmodeline(panel_fixed_mode);
+        sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
+        if (!sdvo_lvds_options)
+                return;
+
+        dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
+        if (!dvo_timing)
+                return;
+
+        panel_fixed_mode = drm_calloc(1, sizeof(*panel_fixed_mode),
+                                      DRM_MEM_DRIVER);
+
+        if (!panel_fixed_mode)
+                return;
+
+        fill_detail_timing_data(panel_fixed_mode,
+                        dvo_timing + sdvo_lvds_options->panel_type);
+
+        dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
 
         return;
 }
@@ -199,7 +240,8 @@ intel_init_bios(struct drm_device *dev)
 
         /* Grab useful general definitions */
         parse_general_features(dev_priv, bdb);
-        parse_panel_data(dev_priv, bdb);
+        parse_lfp_panel_data(dev_priv, bdb);
+        parse_sdvo_panel_data(dev_priv, bdb);
 
         pci_unmap_rom(pdev, bios);
 
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index de621aad85b5..8ca2cde15804 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -279,6 +279,23 @@ struct vch_bdb_22 {
         struct vch_panel_data panels[16];
 } __attribute__((packed));
 
+struct bdb_sdvo_lvds_options {
+        u8 panel_backlight;
+        u8 h40_set_panel_type;
+        u8 panel_type;
+        u8 ssc_clk_freq;
+        u16 als_low_trip;
+        u16 als_high_trip;
+        u8 sclalarcoeff_tab_row_num;
+        u8 sclalarcoeff_tab_row_size;
+        u8 coefficient[8];
+        u8 panel_misc_bits_1;
+        u8 panel_misc_bits_2;
+        u8 panel_misc_bits_3;
+        u8 panel_misc_bits_4;
+} __attribute__((packed));
+
+
 bool intel_init_bios(struct drm_device *dev);
 
 /*
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 19148c3df637..79acc4f4c1f8 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -198,9 +198,142 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
         return intel_ddc_probe(intel_output);
 }
 
+static enum drm_connector_status
+intel_crt_load_detect(struct drm_crtc *crtc, struct intel_output *intel_output)
+{
+        struct drm_encoder *encoder = &intel_output->enc;
+        struct drm_device *dev = encoder->dev;
+        struct drm_i915_private *dev_priv = dev->dev_private;
+        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+        uint32_t pipe = intel_crtc->pipe;
+        uint32_t save_bclrpat;
+        uint32_t save_vtotal;
+        uint32_t vtotal, vactive;
+        uint32_t vsample;
+        uint32_t vblank, vblank_start, vblank_end;
+        uint32_t dsl;
+        uint32_t bclrpat_reg;
+        uint32_t vtotal_reg;
+        uint32_t vblank_reg;
+        uint32_t vsync_reg;
+        uint32_t pipeconf_reg;
+        uint32_t pipe_dsl_reg;
+        uint8_t st00;
+        enum drm_connector_status status;
+
+        if (pipe == 0) {
+                bclrpat_reg = BCLRPAT_A;
+                vtotal_reg = VTOTAL_A;
+                vblank_reg = VBLANK_A;
+                vsync_reg = VSYNC_A;
+                pipeconf_reg = PIPEACONF;
+                pipe_dsl_reg = PIPEADSL;
+        } else {
+                bclrpat_reg = BCLRPAT_B;
+                vtotal_reg = VTOTAL_B;
+                vblank_reg = VBLANK_B;
+                vsync_reg = VSYNC_B;
+                pipeconf_reg = PIPEBCONF;
+                pipe_dsl_reg = PIPEBDSL;
+        }
+
+        save_bclrpat = I915_READ(bclrpat_reg);
+        save_vtotal = I915_READ(vtotal_reg);
+        vblank = I915_READ(vblank_reg);
+
+        vtotal = ((save_vtotal >> 16) & 0xfff) + 1;
+        vactive = (save_vtotal & 0x7ff) + 1;
+
+        vblank_start = (vblank & 0xfff) + 1;
+        vblank_end = ((vblank >> 16) & 0xfff) + 1;
+
+        /* Set the border color to purple. */
+        I915_WRITE(bclrpat_reg, 0x500050);
+
+        if (IS_I9XX(dev)) {
+                uint32_t pipeconf = I915_READ(pipeconf_reg);
+                I915_WRITE(pipeconf_reg, pipeconf | PIPECONF_FORCE_BORDER);
+                /* Wait for next Vblank to substitue
+                 * border color for Color info */
+                intel_wait_for_vblank(dev);
+                st00 = I915_READ8(VGA_MSR_WRITE);
+                status = ((st00 & (1 << 4)) != 0) ?
+                        connector_status_connected :
+                        connector_status_disconnected;
+
+                I915_WRITE(pipeconf_reg, pipeconf);
+        } else {
+                bool restore_vblank = false;
+                int count, detect;
+
+                /*
+                * If there isn't any border, add some.
+                * Yes, this will flicker
+                */
+                if (vblank_start <= vactive && vblank_end >= vtotal) {
+                        uint32_t vsync = I915_READ(vsync_reg);
+                        uint32_t vsync_start = (vsync & 0xffff) + 1;
+
+                        vblank_start = vsync_start;
+                        I915_WRITE(vblank_reg,
+                                   (vblank_start - 1) |
+                                   ((vblank_end - 1) << 16));
+                        restore_vblank = true;
+                }
+                /* sample in the vertical border, selecting the larger one */
+                if (vblank_start - vactive >= vtotal - vblank_end)
+                        vsample = (vblank_start + vactive) >> 1;
+                else
+                        vsample = (vtotal + vblank_end) >> 1;
+
+                /*
+                 * Wait for the border to be displayed
+                 */
+                while (I915_READ(pipe_dsl_reg) >= vactive)
+                        ;
+                while ((dsl = I915_READ(pipe_dsl_reg)) <= vsample)
+                        ;
+                /*
+                 * Watch ST00 for an entire scanline
+                 */
+                detect = 0;
+                count = 0;
+                do {
+                        count++;
+                        /* Read the ST00 VGA status register */
+                        st00 = I915_READ8(VGA_MSR_WRITE);
+                        if (st00 & (1 << 4))
+                                detect++;
+                } while ((I915_READ(pipe_dsl_reg) == dsl));
+
+                /* restore vblank if necessary */
+                if (restore_vblank)
+                        I915_WRITE(vblank_reg, vblank);
+                /*
+                 * If more than 3/4 of the scanline detected a monitor,
+                 * then it is assumed to be present. This works even on i830,
+                 * where there isn't any way to force the border color across
+                 * the screen
+                 */
+                status = detect * 4 > count * 3 ?
+                         connector_status_connected :
+                         connector_status_disconnected;
+        }
+
+        /* Restore previous settings */
+        I915_WRITE(bclrpat_reg, save_bclrpat);
+
+        return status;
+}
+
 static enum drm_connector_status intel_crt_detect(struct drm_connector *connector)
 {
         struct drm_device *dev = connector->dev;
+        struct intel_output *intel_output = to_intel_output(connector);
+        struct drm_encoder *encoder = &intel_output->enc;
+        struct drm_crtc *crtc;
+        int dpms_mode;
+        enum drm_connector_status status;
 
         if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
                 if (intel_crt_detect_hotplug(connector))
@@ -212,8 +345,20 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connecto
         if (intel_crt_detect_ddc(connector))
                 return connector_status_connected;
 
-        /* TODO use load detect */
-        return connector_status_unknown;
+        /* for pre-945g platforms use load detect */
+        if (encoder->crtc && encoder->crtc->enabled) {
+                status = intel_crt_load_detect(encoder->crtc, intel_output);
+        } else {
+                crtc = intel_get_load_detect_pipe(intel_output,
+                                                  NULL, &dpms_mode);
+                if (crtc) {
+                        status = intel_crt_load_detect(crtc, intel_output);
+                        intel_release_load_detect_pipe(intel_output, dpms_mode);
+                } else
+                        status = connector_status_unknown;
+        }
+
+        return status;
 }
 
 static void intel_crt_destroy(struct drm_connector *connector)
@@ -236,11 +381,6 @@ static int intel_crt_set_property(struct drm_connector *connector,
                                   struct drm_property *property,
                                   uint64_t value)
 {
-        struct drm_device *dev = connector->dev;
-
-        if (property == dev->mode_config.dpms_property && connector->encoder)
-                intel_crt_dpms(connector->encoder, (uint32_t)(value & 0xf));
-
         return 0;
 }
 
@@ -257,6 +397,7 @@ static const struct drm_encoder_helper_funcs intel_crt_helper_funcs = {
 };
 
 static const struct drm_connector_funcs intel_crt_connector_funcs = {
+        .dpms = drm_helper_connector_dpms,
         .detect = intel_crt_detect,
         .fill_modes = drm_helper_probe_single_connector_modes,
         .destroy = intel_crt_destroy,
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3387cf32f385..c9d6f10ba92e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1357,7 +1357,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
         int pipe = intel_crtc->pipe;
         uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
         uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
-        uint32_t temp;
+        uint32_t temp = I915_READ(control);
         size_t addr;
         int ret;
 
@@ -1366,7 +1366,12 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
         /* if we want to turn off the cursor ignore width and height */
         if (!handle) {
                 DRM_DEBUG("cursor off\n");
-                temp = CURSOR_MODE_DISABLE;
+                if (IS_MOBILE(dev) || IS_I9XX(dev)) {
+                        temp &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
+                        temp |= CURSOR_MODE_DISABLE;
+                } else {
+                        temp &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE);
+                }
                 addr = 0;
                 bo = NULL;
                 mutex_lock(&dev->struct_mutex);
@@ -1409,10 +1414,19 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
                 addr = obj_priv->phys_obj->handle->busaddr;
         }
 
-        temp = 0;
-        /* set the pipe for the cursor */
-        temp |= (pipe << 28);
-        temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+        if (!IS_I9XX(dev))
+                I915_WRITE(CURSIZE, (height << 12) | width);
+
+        /* Hooray for CUR*CNTR differences */
+        if (IS_MOBILE(dev) || IS_I9XX(dev)) {
+                temp &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
+                temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+                temp |= (pipe << 28); /* Connect to correct pipe */
+        } else {
+                temp &= ~(CURSOR_FORMAT_MASK);
+                temp |= CURSOR_ENABLE;
+                temp |= CURSOR_FORMAT_ARGB | CURSOR_GAMMA_ENABLE;
+        }
 
  finish:
         I915_WRITE(control, temp);
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 8b8d6e65cd3f..1ee3007d6ec0 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -316,6 +316,7 @@ static const struct drm_encoder_helper_funcs intel_dvo_helper_funcs = {
 };
 
 static const struct drm_connector_funcs intel_dvo_connector_funcs = {
+        .dpms = drm_helper_connector_dpms,
         .save = intel_dvo_save,
         .restore = intel_dvo_restore,
         .detect = intel_dvo_detect,
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index d0983bb93a18..7d6bdd705326 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -219,6 +219,7 @@ static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = {
 };
 
 static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
+        .dpms = drm_helper_connector_dpms,
         .save = intel_hdmi_save,
         .restore = intel_hdmi_restore,
         .detect = intel_hdmi_detect,
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 439a86514993..53cccfa58b95 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -343,11 +343,6 @@ static int intel_lvds_set_property(struct drm_connector *connector,
                                    struct drm_property *property,
                                    uint64_t value)
 {
-        struct drm_device *dev = connector->dev;
-
-        if (property == dev->mode_config.dpms_property && connector->encoder)
-                intel_lvds_dpms(connector->encoder, (uint32_t)(value & 0xf));
-
         return 0;
 }
 
@@ -366,6 +361,7 @@ static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs
 };
 
 static const struct drm_connector_funcs intel_lvds_connector_funcs = {
+        .dpms = drm_helper_connector_dpms,
         .save = intel_lvds_save,
         .restore = intel_lvds_restore,
         .detect = intel_lvds_detect,
@@ -391,7 +387,7 @@ static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
 }
 
 /* These systems claim to have LVDS, but really don't */
-static const struct dmi_system_id __initdata intel_no_lvds[] = {
+static const struct dmi_system_id intel_no_lvds[] = {
         {
                 .callback = intel_no_lvds_dmi_callback,
                 .ident = "Apple Mac Mini (Core series)",
@@ -511,10 +507,10 @@ void intel_lvds_init(struct drm_device *dev)
         }
 
         /* Failed to get EDID, what about VBT? */
-        if (dev_priv->vbt_mode) {
+        if (dev_priv->lfp_lvds_vbt_mode) {
                 mutex_lock(&dev->mode_config.mutex);
                 dev_priv->panel_fixed_mode =
-                        drm_mode_duplicate(dev, dev_priv->vbt_mode);
+                        drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
                 mutex_unlock(&dev->mode_config.mutex);
                 if (dev_priv->panel_fixed_mode) {
                         dev_priv->panel_fixed_mode->type |=
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 9913651c1e17..3093b4d4a4dd 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -69,6 +69,10 @@ struct intel_sdvo_priv {
          * This is set if we treat the device as HDMI, instead of DVI.
          */
         bool is_hdmi;
+        /**
+         * This is set if we detect output of sdvo device as LVDS.
+         */
+        bool is_lvds;
 
         /**
          * Returned SDTV resolutions allowed for the current format, if the
@@ -1398,10 +1402,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
 {
         struct intel_output *intel_output = to_intel_output(connector);
-        struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 
         /* set the bus switch and get the modes */
-        intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
         intel_ddc_get_modes(intel_output);
 
 #if 0
@@ -1543,6 +1545,37 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
                 }
 }
 
+static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
+{
+        struct intel_output *intel_output = to_intel_output(connector);
+        struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+        struct drm_i915_private *dev_priv = connector->dev->dev_private;
+
+        /*
+         * Attempt to get the mode list from DDC.
+         * Assume that the preferred modes are
+         * arranged in priority order.
+         */
+        /* set the bus switch and get the modes */
+        intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
+        intel_ddc_get_modes(intel_output);
+        if (list_empty(&connector->probed_modes) == false)
+                return;
+
+        /* Fetch modes from VBT */
+        if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
+                struct drm_display_mode *newmode;
+                newmode = drm_mode_duplicate(connector->dev,
+                                             dev_priv->sdvo_lvds_vbt_mode);
+                if (newmode != NULL) {
+                        /* Guarantee the mode is preferred */
+                        newmode->type = (DRM_MODE_TYPE_PREFERRED |
+                                         DRM_MODE_TYPE_DRIVER);
+                        drm_mode_probed_add(connector, newmode);
+                }
+        }
+}
+
 static int intel_sdvo_get_modes(struct drm_connector *connector)
 {
         struct intel_output *output = to_intel_output(connector);
@@ -1550,6 +1583,8 @@ static int intel_sdvo_get_modes(struct drm_connector *connector)
 
         if (sdvo_priv->is_tv)
                 intel_sdvo_get_tv_modes(connector);
+        else if (sdvo_priv->is_lvds == true)
+                intel_sdvo_get_lvds_modes(connector);
         else
                 intel_sdvo_get_ddc_modes(connector);
 
@@ -1564,6 +1599,9 @@ static void intel_sdvo_destroy(struct drm_connector *connector)
 
         if (intel_output->i2c_bus)
                 intel_i2c_destroy(intel_output->i2c_bus);
+        if (intel_output->ddc_bus)
+                intel_i2c_destroy(intel_output->ddc_bus);
+
         drm_sysfs_connector_remove(connector);
         drm_connector_cleanup(connector);
         kfree(intel_output);
@@ -1578,6 +1616,7 @@ static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
 };
 
 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
+        .dpms = drm_helper_connector_dpms,
         .save = intel_sdvo_save,
         .restore = intel_sdvo_restore,
         .detect = intel_sdvo_detect,
@@ -1660,12 +1699,56 @@ intel_sdvo_get_digital_encoding_mode(struct intel_output *output)
         return true;
 }
 
+static struct intel_output *
+intel_sdvo_chan_to_intel_output(struct intel_i2c_chan *chan)
+{
+        struct drm_device *dev = chan->drm_dev;
+        struct drm_connector *connector;
+        struct intel_output *intel_output = NULL;
+
+        list_for_each_entry(connector,
+                        &dev->mode_config.connector_list, head) {
+                if (to_intel_output(connector)->ddc_bus == chan) {
+                        intel_output = to_intel_output(connector);
+                        break;
+                }
+        }
+        return intel_output;
+}
+
+static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
+                                  struct i2c_msg msgs[], int num)
+{
+        struct intel_output *intel_output;
+        struct intel_sdvo_priv *sdvo_priv;
+        struct i2c_algo_bit_data *algo_data;
+        struct i2c_algorithm *algo;
+
+        algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data;
+        intel_output =
+                intel_sdvo_chan_to_intel_output(
+                                (struct intel_i2c_chan *)(algo_data->data));
+        if (intel_output == NULL)
+                return -EINVAL;
+
+        sdvo_priv = intel_output->dev_priv;
+        algo = (struct i2c_algorithm *)intel_output->i2c_bus->adapter.algo;
+
+        intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
+        return algo->master_xfer(i2c_adap, msgs, num);
+}
+
+static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {
+        .master_xfer    = intel_sdvo_master_xfer,
+};
+
 bool intel_sdvo_init(struct drm_device *dev, int output_device)
 {
         struct drm_connector *connector;
         struct intel_output *intel_output;
         struct intel_sdvo_priv *sdvo_priv;
         struct intel_i2c_chan *i2cbus = NULL;
+        struct intel_i2c_chan *ddcbus = NULL;
         int connector_type;
         u8 ch[0x40];
         int i;
@@ -1676,17 +1759,9 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                 return false;
         }
 
-        connector = &intel_output->base;
-
-        drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
-                           DRM_MODE_CONNECTOR_Unknown);
-        drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
         sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1);
         intel_output->type = INTEL_OUTPUT_SDVO;
 
-        connector->interlace_allowed = 0;
-        connector->doublescan_allowed = 0;
-
         /* setup the DDC bus. */
         if (output_device == SDVOB)
                 i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
@@ -1694,7 +1769,7 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                 i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
 
         if (!i2cbus)
-                goto err_connector;
+                goto err_inteloutput;
 
         sdvo_priv->i2c_bus = i2cbus;
 
@@ -1710,7 +1785,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
         intel_output->i2c_bus = i2cbus;
         intel_output->dev_priv = sdvo_priv;
 
-
         /* Read the regs to test if we can talk to the device */
         for (i = 0; i < 0x40; i++) {
                 if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
@@ -1720,6 +1794,22 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                 }
         }
 
+        /* setup the DDC bus. */
+        if (output_device == SDVOB)
+                ddcbus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
+        else
+                ddcbus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
+
+        if (ddcbus == NULL)
+                goto err_i2c;
+
+        intel_sdvo_i2c_bit_algo.functionality =
+                intel_output->i2c_bus->adapter.algo->functionality;
+        ddcbus->adapter.algo = &intel_sdvo_i2c_bit_algo;
+        intel_output->ddc_bus = ddcbus;
+
+        /* In defaut case sdvo lvds is false */
+        sdvo_priv->is_lvds = false;
         intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
 
         if (sdvo_priv->caps.output_flags &
@@ -1729,7 +1819,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                 else
                         sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
 
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_TMDS;
                 connector_type = DRM_MODE_CONNECTOR_DVID;
 
@@ -1747,7 +1836,6 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
         else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_SVID0)
         {
                 sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_TVDAC;
                 connector_type = DRM_MODE_CONNECTOR_SVIDEO;
                 sdvo_priv->is_tv = true;
@@ -1756,30 +1844,28 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
         else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0)
         {
                 sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_DAC;
                 connector_type = DRM_MODE_CONNECTOR_VGA;
         }
         else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1)
         {
                 sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_DAC;
                 connector_type = DRM_MODE_CONNECTOR_VGA;
         }
         else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS0)
         {
                 sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_LVDS;
                 connector_type = DRM_MODE_CONNECTOR_LVDS;
+                sdvo_priv->is_lvds = true;
         }
         else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS1)
         {
                 sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
-                connector->display_info.subpixel_order = SubPixelHorizontalRGB;
                 encoder_type = DRM_MODE_ENCODER_LVDS;
                 connector_type = DRM_MODE_CONNECTOR_LVDS;
+                sdvo_priv->is_lvds = true;
         }
         else
         {
@@ -1795,9 +1881,16 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                 goto err_i2c;
         }
 
+        connector = &intel_output->base;
+        drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
+                           connector_type);
+        drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
+        connector->interlace_allowed = 0;
+        connector->doublescan_allowed = 0;
+        connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+
         drm_encoder_init(dev, &intel_output->enc, &intel_sdvo_enc_funcs, encoder_type);
         drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
-        connector->connector_type = connector_type;
 
         drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
         drm_sysfs_connector_add(connector);
@@ -1829,14 +1922,13 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
                   sdvo_priv->caps.output_flags &
                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
 
-        intel_output->ddc_bus = i2cbus;
-
         return true;
 
 err_i2c:
+        if (ddcbus != NULL)
+                intel_i2c_destroy(intel_output->ddc_bus);
         intel_i2c_destroy(intel_output->i2c_bus);
-err_connector:
-        drm_connector_cleanup(connector);
+err_inteloutput:
         kfree(intel_output);
 
         return false;
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index d2c32983242d..98ac0546b7bd 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1626,6 +1626,7 @@ static const struct drm_encoder_helper_funcs intel_tv_helper_funcs = {
 };
 
 static const struct drm_connector_funcs intel_tv_connector_funcs = {
+        .dpms = drm_helper_connector_dpms,
         .save = intel_tv_save,
         .restore = intel_tv_restore,
         .detect = intel_tv_detect,
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index 77a7a4d84650..aff90bb96488 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -2185,9 +2185,9 @@ void radeon_commit_ring(drm_radeon_private_t *dev_priv)
 
         /* check if the ring is padded out to 16-dword alignment */
 
-        tail_aligned = dev_priv->ring.tail & 0xf;
+        tail_aligned = dev_priv->ring.tail & (RADEON_RING_ALIGN-1);
         if (tail_aligned) {
-                int num_p2 = 16 - tail_aligned;
+                int num_p2 = RADEON_RING_ALIGN - tail_aligned;
 
                 ring = dev_priv->ring.start;
                 /* pad with some CP_PACKET2 */
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 8071d965f142..0c6bfc1de153 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -1964,11 +1964,14 @@ do {								\
 
 #define RING_LOCALS     int write, _nr, _align_nr; unsigned int mask; u32 *ring;
 
+#define RADEON_RING_ALIGN 16
+
 #define BEGIN_RING( n ) do {                                            \
         if ( RADEON_VERBOSE ) {                                         \
                 DRM_INFO( "BEGIN_RING( %d )\n", (n));                   \
         }                                                               \
-        _align_nr = (n + 0xf) & ~0xf;                                   \
+        _align_nr = RADEON_RING_ALIGN - ((dev_priv->ring.tail + n) & (RADEON_RING_ALIGN-1));    \
+        _align_nr += n;                                                 \
         if (dev_priv->ring.space <= (_align_nr * sizeof(u32))) {        \
                 COMMIT_RING();                                          \
                 radeon_wait_ring( dev_priv, _align_nr * sizeof(u32));   \
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index b5e3b2851698..a1787fdf5b9f 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -182,7 +182,7 @@ static struct platform_driver lm78_isa_driver = {
                 .name   = "lm78",
         },
         .probe          = lm78_isa_probe,
-        .remove         = lm78_isa_remove,
+        .remove         = __devexit_p(lm78_isa_remove),
 };
 
 
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 35dc38d3b2c5..6415a2e2ba87 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -696,7 +696,7 @@ void ide_timer_expiry (unsigned long data)
                 }
                 spin_lock_irq(&hwif->lock);
                 enable_irq(hwif->irq);
-                if (startstop == ide_stopped) {
+                if (startstop == ide_stopped && hwif->polling == 0) {
                         ide_unlock_port(hwif);
                         plug_device = 1;
                 }
@@ -868,7 +868,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
          * same irq as is currently being serviced here, and Linux
          * won't allow another of the same (on any CPU) until we return.
          */
-        if (startstop == ide_stopped) {
+        if (startstop == ide_stopped && hwif->polling == 0) {
                 BUG_ON(hwif->handler);
                 ide_unlock_port(hwif);
                 plug_device = 1;
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index c19a221b1e18..06fe002116ec 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -206,8 +206,6 @@ EXPORT_SYMBOL_GPL(ide_in_drive_list);
 
 /*
  * Early UDMA66 devices don't set bit14 to 1, only bit13 is valid.
- * We list them here and depend on the device side cable detection for them.
- *
  * Some optical devices with the buggy firmwares have the same problem.
  */
 static const struct drive_list_entry ivb_list[] = {
@@ -251,10 +249,25 @@ u8 eighty_ninty_three(ide_drive_t *drive)
          * - force bit13 (80c cable present) check also for !ivb devices
          *   (unless the slave device is pre-ATA3)
          */
-        if ((id[ATA_ID_HW_CONFIG] & 0x4000) ||
-            (ivb && (id[ATA_ID_HW_CONFIG] & 0x2000)))
+        if (id[ATA_ID_HW_CONFIG] & 0x4000)
                 return 1;
 
+        if (ivb) {
+                const char *model = (char *)&id[ATA_ID_PROD];
+
+                if (strstr(model, "TSSTcorp CDDVDW SH-S202")) {
+                        /*
+                         * These ATAPI devices always report 80c cable
+                         * so we have to depend on the host in this case.
+                         */
+                        if (hwif->cbl == ATA_CBL_PATA80)
+                                return 1;
+                } else {
+                        /* Depend on the device side cable detection. */
+                        if (id[ATA_ID_HW_CONFIG] & 0x2000)
+                                return 1;
+                }
+        }
 no_80w:
         if (drive->dev_flags & IDE_DFLAG_UDMA33_WARNED)
                 return 0;
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 56ff8c46c7d1..2148df836ce7 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -31,24 +31,6 @@ void ide_toggle_bounce(ide_drive_t *drive, int on)
                 blk_queue_bounce_limit(drive->queue, addr);
 }
 
-static void ide_dump_opcode(ide_drive_t *drive)
-{
-        struct request *rq = drive->hwif->rq;
-        struct ide_cmd *cmd = NULL;
-
-        if (!rq)
-                return;
-
-        if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
-                cmd = rq->special;
-
-        printk(KERN_ERR "ide: failed opcode was: ");
-        if (cmd == NULL)
-                printk(KERN_CONT "unknown\n");
-        else
-                printk(KERN_CONT "0x%02x\n", cmd->tf.command);
-}
-
 u64 ide_get_lba_addr(struct ide_cmd *cmd, int lba48)
 {
         struct ide_taskfile *tf = &cmd->tf;
@@ -91,7 +73,7 @@ static void ide_dump_sector(ide_drive_t *drive)
 
 static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
 {
-        printk(KERN_ERR "{ ");
+        printk(KERN_CONT "{ ");
         if (err & ATA_ABORTED)
                 printk(KERN_CONT "DriveStatusError ");
         if (err & ATA_ICRC)
@@ -121,7 +103,7 @@ static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
 
 static void ide_dump_atapi_error(ide_drive_t *drive, u8 err)
 {
-        printk(KERN_ERR "{ ");
+        printk(KERN_CONT "{ ");
         if (err & ATAPI_ILI)
                 printk(KERN_CONT "IllegalLengthIndication ");
         if (err & ATAPI_EOM)
@@ -179,7 +161,10 @@ u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat)
                 else
                         ide_dump_atapi_error(drive, err);
         }
-        ide_dump_opcode(drive);
+
+        printk(KERN_ERR "%s: possibly failed opcode: 0x%02x\n",
+                drive->name, drive->hwif->cmd.tf.command);
+
         return err;
 }
 EXPORT_SYMBOL(ide_dump_status);
diff --git a/drivers/ide/ide-pci-generic.c b/drivers/ide/ide-pci-generic.c
index 61111fd27130..39d4e01f5c9c 100644
--- a/drivers/ide/ide-pci-generic.c
+++ b/drivers/ide/ide-pci-generic.c
@@ -33,6 +33,16 @@ static int ide_generic_all;		/* Set to claim all devices */
 module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
 MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
 
+static void netcell_quirkproc(ide_drive_t *drive)
+{
+        /* mark words 85-87 as valid */
+        drive->id[ATA_ID_CSF_DEFAULT] |= 0x4000;
+}
+
+static const struct ide_port_ops netcell_port_ops = {
+        .quirkproc              = netcell_quirkproc,
+};
+
 #define DECLARE_GENERIC_PCI_DEV(extra_flags) \
         { \
                 .name           = DRV_NAME, \
@@ -74,6 +84,7 @@ static const struct ide_port_info generic_chipsets[] __devinitdata = {
 
         {       /* 6: Revolution */
                 .name           = DRV_NAME,
+                .port_ops       = &netcell_port_ops,
                 .host_flags     = IDE_HFLAG_CLEAR_SIMPLEX |
                                   IDE_HFLAG_TRUST_BIOS_FOR_DMA |
                                   IDE_HFLAG_OFF_BOARD,
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 7f264ed1141b..c895ed52b2e8 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -295,7 +295,7 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
 
         timeout = ((cmd == ATA_CMD_ID_ATA) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2;
 
-        if (ide_busy_sleep(hwif, timeout, use_altstatus))
+        if (ide_busy_sleep(drive, timeout, use_altstatus))
                 return 1;
 
         /* wait for IRQ and ATA_DRQ */
@@ -316,8 +316,9 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
         return rc;
 }
 
-int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
+int ide_busy_sleep(ide_drive_t *drive, unsigned long timeout, int altstatus)
 {
+        ide_hwif_t *hwif = drive->hwif;
         u8 stat;
 
         timeout += jiffies;
@@ -330,6 +331,8 @@ int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
                         return 0;
         } while (time_before(jiffies, timeout));
 
+        printk(KERN_ERR "%s: timeout in %s\n", drive->name, __func__);
+
         return 1;       /* drive timed-out */
 }
 
@@ -420,7 +423,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
                         tp_ops->dev_select(drive);
                         msleep(50);
                         tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET);
-                        (void)ide_busy_sleep(hwif, WAIT_WORSTCASE, 0);
+                        (void)ide_busy_sleep(drive, WAIT_WORSTCASE, 0);
                         rc = ide_dev_read_id(drive, cmd, id);
                 }
 
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
index 248a54bd2386..b3bc96f930a6 100644
--- a/drivers/ide/pdc202xx_old.c
+++ b/drivers/ide/pdc202xx_old.c
@@ -1,6 +1,6 @@
 /*
  *  Copyright (C) 1998-2002             Andre Hedrick <andre@linux-ide.org>
- *  Copyright (C) 2006-2007             MontaVista Software, Inc.
+ *  Copyright (C) 2006-2007, 2009       MontaVista Software, Inc.
  *  Copyright (C) 2007                  Bartlomiej Zolnierkiewicz
  *
  *  Portions Copyright (C) 1999 Promise Technology, Inc.
@@ -227,28 +227,19 @@ somebody_else:
         return (dma_stat & 4) == 4;     /* return 1 if INTR asserted */
 }
 
-static void pdc202xx_reset_host (ide_hwif_t *hwif)
+static void pdc202xx_reset(ide_drive_t *drive)
 {
+        ide_hwif_t *hwif        = drive->hwif;
         unsigned long high_16   = hwif->extra_base - 16;
         u8 udma_speed_flag      = inb(high_16 | 0x001f);
 
+        printk(KERN_WARNING "PDC202xx: software reset...\n");
+
         outb(udma_speed_flag | 0x10, high_16 | 0x001f);
         mdelay(100);
         outb(udma_speed_flag & ~0x10, high_16 | 0x001f);
         mdelay(2000);   /* 2 seconds ?! */
 
-        printk(KERN_WARNING "PDC202XX: %s channel reset.\n",
-                hwif->channel ? "Secondary" : "Primary");
-}
-
-static void pdc202xx_reset (ide_drive_t *drive)
-{
-        ide_hwif_t *hwif        = drive->hwif;
-        ide_hwif_t *mate        = hwif->mate;
-
-        pdc202xx_reset_host(hwif);
-        pdc202xx_reset_host(mate);
-
         ide_set_max_pio(drive);
 }
 
@@ -328,9 +319,8 @@ static const struct ide_dma_ops pdc20246_dma_ops = {
         .dma_start              = ide_dma_start,
         .dma_end                = ide_dma_end,
         .dma_test_irq           = pdc202xx_dma_test_irq,
-        .dma_lost_irq           = pdc202xx_dma_lost_irq,
+        .dma_lost_irq           = ide_dma_lost_irq,
         .dma_timer_expiry       = ide_dma_sff_timer_expiry,
-        .dma_clear              = pdc202xx_reset,
         .dma_sff_read_status    = ide_dma_sff_read_status,
 };
 
diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
index 3ff7231e4858..028de26a25fe 100644
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -67,6 +67,7 @@ static struct via_isa_bridge {
         u8 udma_mask;
         u8 flags;
 } via_isa_bridges[] = {
+        { "vx855",      PCI_DEVICE_ID_VIA_VX855,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
         { "vx800",      PCI_DEVICE_ID_VIA_VX800,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
         { "cx700",      PCI_DEVICE_ID_VIA_CX700,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
         { "vt8237s",    PCI_DEVICE_ID_VIA_8237S,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
@@ -474,6 +475,7 @@ static const struct pci_device_id via_pci_tbl[] = {
         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1),  0 },
         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C586_1),  0 },
         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_CX700_IDE), 0 },
+        { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_VX855_IDE), 0 },
         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6410),      1 },
         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_SATA_EIDE), 1 },
         { 0, },
diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c
index bf740394d704..949c97ff57e3 100644
--- a/drivers/idle/i7300_idle.c
+++ b/drivers/idle/i7300_idle.c
@@ -41,6 +41,10 @@ static int debug;
 module_param_named(debug, debug, uint, 0644);
 MODULE_PARM_DESC(debug, "Enable debug printks in this driver");
 
+static int forceload;
+module_param_named(forceload, forceload, uint, 0644);
+MODULE_PARM_DESC(debug, "Enable driver testing on unvalidated i5000");
+
 #define dprintk(fmt, arg...) \
         do { if (debug) printk(KERN_INFO I7300_PRINT fmt, ##arg); } while (0)
 
@@ -552,7 +556,7 @@ static int __init i7300_idle_init(void)
         cpus_clear(idle_cpumask);
         total_us = 0;
 
-        if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev))
+        if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev, forceload))
                 return -ENODEV;
 
         if (i7300_idle_thrt_save())
diff --git a/drivers/input/input.c b/drivers/input/input.c
index e54e002665b0..5d445f48789b 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -42,6 +42,7 @@ static unsigned int input_abs_bypass_init_data[] __initdata = {
         ABS_MT_POSITION_Y,
         ABS_MT_TOOL_TYPE,
         ABS_MT_BLOB_ID,
+        ABS_MT_TRACKING_ID,
         0
 };
 static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)];
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 67248c31e19a..be5bbbb8ae4e 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -210,7 +210,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
         timeout = wait_event_timeout(ps2dev->wait,
                                      !(ps2dev->flags & PS2_FLAG_CMD1), timeout);
 
-        if (ps2dev->cmdcnt && timeout > 0) {
+        if (ps2dev->cmdcnt && !(ps2dev->flags & PS2_FLAG_CMD1)) {
 
                 timeout = ps2_adjust_timeout(ps2dev, command, timeout);
                 wait_event_timeout(ps2dev->wait,
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index f100c7f4c1db..6954f5500108 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -419,7 +419,7 @@ static int ucb1400_ts_remove(struct platform_device *dev)
 #ifdef CONFIG_PM
 static int ucb1400_ts_resume(struct platform_device *dev)
 {
-        struct ucb1400_ts *ucb = platform_get_drvdata(dev);
+        struct ucb1400_ts *ucb = dev->dev.platform_data;
 
         if (ucb->ts_task) {
                 /*
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index b171e75cb52e..29808c4fb1cb 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -175,7 +175,7 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size)
                 return -EINVAL;
         }
         src = iwb->read;
-        if (unlikely(limit > BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
+        if (unlikely(limit >= BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
                      (read < src && limit >= src))) {
                 pr_err("isoc write buffer frame reservation violated\n");
                 return -EFAULT;
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
index 1a83910f674f..eaf722fe309a 100644
--- a/drivers/lguest/x86/core.c
+++ b/drivers/lguest/x86/core.c
@@ -358,6 +358,16 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu)
                         if (emulate_insn(cpu))
                                 return;
                 }
+                /* If KVM is active, the vmcall instruction triggers a
+                 * General Protection Fault.  Normally it triggers an
+                 * invalid opcode fault (6): */
+        case 6:
+                /* We need to check if ring == GUEST_PL and
+                 * faulting instruction == vmcall. */
+                if (is_hypercall(cpu)) {
+                        rewrite_hypercall(cpu);
+                        return;
+                }
                 break;
         case 14: /* We've intercepted a Page Fault. */
                 /* The Guest accessed a virtual address that wasn't mapped.
@@ -403,15 +413,6 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu)
                  * up the pointer now to indicate a hypercall is pending. */
                 cpu->hcall = (struct hcall_args *)cpu->regs;
                 return;
-        case 6:
-                /* kvm hypercalls trigger an invalid opcode fault (6).
-                 * We need to check if ring == GUEST_PL and
-                 * faulting instruction == vmcall. */
-                if (is_hypercall(cpu)) {
-                        rewrite_hypercall(cpu);
-                        return;
-                }
-                break;
         }
 
         /* We didn't handle the trap, so it needs to go to the Guest. */
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 47c68bc75a17..56df1cee8fb3 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1097,14 +1097,12 @@ void bitmap_daemon_work(struct bitmap *bitmap)
         }
         bitmap->allclean = 1;
 
+        spin_lock_irqsave(&bitmap->lock, flags);
         for (j = 0; j < bitmap->chunks; j++) {
                 bitmap_counter_t *bmc;
-                spin_lock_irqsave(&bitmap->lock, flags);
-                if (!bitmap->filemap) {
+                if (!bitmap->filemap)
                         /* error or shutdown */
-                        spin_unlock_irqrestore(&bitmap->lock, flags);
                         break;
-                }
 
                 page = filemap_get_page(bitmap, j);
 
@@ -1121,6 +1119,8 @@ void bitmap_daemon_work(struct bitmap *bitmap)
                                         write_page(bitmap, page, 0);
                                         bitmap->allclean = 0;
                                 }
+                                spin_lock_irqsave(&bitmap->lock, flags);
+                                j |= (PAGE_BITS - 1);
                                 continue;
                         }
 
@@ -1181,9 +1181,10 @@ void bitmap_daemon_work(struct bitmap *bitmap)
                                         ext2_clear_bit(file_page_offset(j), paddr);
                                 kunmap_atomic(paddr, KM_USER0);
                         }
-                }
-                spin_unlock_irqrestore(&bitmap->lock, flags);
+                } else
+                        j |= PAGE_COUNTER_MASK;
         }
+        spin_unlock_irqrestore(&bitmap->lock, flags);
 
         /* now sync the final page */
         if (lastpage != NULL) {
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 424f7b048c30..3fd8b1e65483 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -20,7 +20,8 @@
 #include <linux/idr.h>
 #include <linux/hdreg.h>
 #include <linux/blktrace_api.h>
-#include <trace/block.h>
+
+#include <trace/events/block.h>
 
 #define DM_MSG_PREFIX "core"
 
@@ -53,8 +54,6 @@ struct dm_target_io {
         union map_info info;
 };
 
-DEFINE_TRACE(block_bio_complete);
-
 /*
  * For request-based dm.
  * One of these is allocated per request.
@@ -656,8 +655,7 @@ static void __map_bio(struct dm_target *ti, struct bio *clone,
                 /* the bio has been remapped so dispatch it */
 
                 trace_block_remap(bdev_get_queue(clone->bi_bdev), clone,
-                                    tio->io->bio->bi_bdev->bd_dev,
-                                    clone->bi_sector, sector);
+                                    tio->io->bio->bi_bdev->bd_dev, sector);
 
                 generic_make_request(clone);
         } else if (r < 0 || r == DM_MAPIO_REQUEUE) {
diff --git a/drivers/md/md.c b/drivers/md/md.c
index fccc8343a250..641b211fe3fe 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1375,6 +1375,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
 
         sb->raid_disks = cpu_to_le32(mddev->raid_disks);
         sb->size = cpu_to_le64(mddev->dev_sectors);
+        sb->chunksize = cpu_to_le32(mddev->chunk_size >> 9);
+        sb->level = cpu_to_le32(mddev->level);
+        sb->layout = cpu_to_le32(mddev->layout);
 
         if (mddev->bitmap && mddev->bitmap_file == NULL) {
                 sb->bitmap_offset = cpu_to_le32((__u32)mddev->bitmap_offset);
@@ -3303,7 +3306,9 @@ static ssize_t
 action_show(mddev_t *mddev, char *page)
 {
         char *type = "idle";
-        if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
+        if (test_bit(MD_RECOVERY_FROZEN, &mddev->recovery))
+                type = "frozen";
+        else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
             (!mddev->ro && test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))) {
                 if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery))
                         type = "reshape";
@@ -3326,7 +3331,12 @@ action_store(mddev_t *mddev, const char *page, size_t len)
         if (!mddev->pers || !mddev->pers->sync_request)
                 return -EINVAL;
 
-        if (cmd_match(page, "idle")) {
+        if (cmd_match(page, "frozen"))
+                set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+        else
+                clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+
+        if (cmd_match(page, "idle") || cmd_match(page, "frozen")) {
                 if (mddev->sync_thread) {
                         set_bit(MD_RECOVERY_INTR, &mddev->recovery);
                         md_unregister_thread(mddev->sync_thread);
@@ -3680,7 +3690,7 @@ array_size_store(mddev_t *mddev, const char *buf, size_t len)
                 if (strict_blocks_to_sectors(buf, &sectors) < 0)
                         return -EINVAL;
                 if (mddev->pers && mddev->pers->size(mddev, 0, 0) < sectors)
-                        return -EINVAL;
+                        return -E2BIG;
 
                 mddev->external_size = 1;
         }
@@ -5557,7 +5567,7 @@ static struct block_device_operations md_fops =
         .owner          = THIS_MODULE,
         .open           = md_open,
         .release        = md_release,
-        .locked_ioctl   = md_ioctl,
+        .ioctl          = md_ioctl,
         .getgeo         = md_getgeo,
         .media_changed  = md_media_changed,
         .revalidate_disk= md_revalidate,
@@ -6352,12 +6362,13 @@ void md_do_sync(mddev_t *mddev)
 
                 skipped = 0;
 
-                if ((mddev->curr_resync > mddev->curr_resync_completed &&
-                     (mddev->curr_resync - mddev->curr_resync_completed)
-                    > (max_sectors >> 4)) ||
-                    (j - mddev->curr_resync_completed)*2
-                    >= mddev->resync_max - mddev->curr_resync_completed
-                        ) {
+                if (!test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
+                    ((mddev->curr_resync > mddev->curr_resync_completed &&
+                      (mddev->curr_resync - mddev->curr_resync_completed)
+                      > (max_sectors >> 4)) ||
+                     (j - mddev->curr_resync_completed)*2
+                     >= mddev->resync_max - mddev->curr_resync_completed
+                            )) {
                         /* time to update curr_resync_completed */
                         blk_unplug(mddev->queue);
                         wait_event(mddev->recovery_wait,
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 4616bc3a6e71..bb37fb1b2d82 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -362,7 +362,7 @@ static void raid5_unplug_device(struct request_queue *q);
 
 static struct stripe_head *
 get_active_stripe(raid5_conf_t *conf, sector_t sector,
-                  int previous, int noblock)
+                  int previous, int noblock, int noquiesce)
 {
         struct stripe_head *sh;
 
@@ -372,7 +372,7 @@ get_active_stripe(raid5_conf_t *conf, sector_t sector,
 
         do {
                 wait_event_lock_irq(conf->wait_for_stripe,
-                                    conf->quiesce == 0,
+                                    conf->quiesce == 0 || noquiesce,
                                     conf->device_lock, /* nothing */);
                 sh = __find_stripe(conf, sector, conf->generation - previous);
                 if (!sh) {
@@ -2671,7 +2671,7 @@ static void handle_stripe_expansion(raid5_conf_t *conf, struct stripe_head *sh,
                         sector_t bn = compute_blocknr(sh, i, 1);
                         sector_t s = raid5_compute_sector(conf, bn, 0,
                                                           &dd_idx, NULL);
-                        sh2 = get_active_stripe(conf, s, 0, 1);
+                        sh2 = get_active_stripe(conf, s, 0, 1, 1);
                         if (sh2 == NULL)
                                 /* so far only the early blocks of this stripe
                                  * have been requested.  When later blocks
@@ -2944,7 +2944,7 @@ static bool handle_stripe5(struct stripe_head *sh)
         /* Finish reconstruct operations initiated by the expansion process */
         if (sh->reconstruct_state == reconstruct_state_result) {
                 struct stripe_head *sh2
-                        = get_active_stripe(conf, sh->sector, 1, 1);
+                        = get_active_stripe(conf, sh->sector, 1, 1, 1);
                 if (sh2 && test_bit(STRIPE_EXPAND_SOURCE, &sh2->state)) {
                         /* sh cannot be written until sh2 has been read.
                          * so arrange for sh to be delayed a little
@@ -3189,7 +3189,7 @@ static bool handle_stripe6(struct stripe_head *sh, struct page *tmp_page)
 
         if (s.expanded && test_bit(STRIPE_EXPANDING, &sh->state)) {
                 struct stripe_head *sh2
-                        = get_active_stripe(conf, sh->sector, 1, 1);
+                        = get_active_stripe(conf, sh->sector, 1, 1, 1);
                 if (sh2 && test_bit(STRIPE_EXPAND_SOURCE, &sh2->state)) {
                         /* sh cannot be written until sh2 has been read.
                          * so arrange for sh to be delayed a little
@@ -3288,7 +3288,7 @@ static void unplug_slaves(mddev_t *mddev)
         int i;
 
         rcu_read_lock();
-        for (i=0; i<mddev->raid_disks; i++) {
+        for (i = 0; i < conf->raid_disks; i++) {
                 mdk_rdev_t *rdev = rcu_dereference(conf->disks[i].rdev);
                 if (rdev && !test_bit(Faulty, &rdev->flags) && atomic_read(&rdev->nr_pending)) {
                         struct request_queue *r_queue = bdev_get_queue(rdev->bdev);
@@ -3675,7 +3675,7 @@ static int make_request(struct request_queue *q, struct bio * bi)
                         (unsigned long long)logical_sector);
 
                 sh = get_active_stripe(conf, new_sector, previous,
-                                       (bi->bi_rw&RWA_MASK));
+                                       (bi->bi_rw&RWA_MASK), 0);
                 if (sh) {
                         if (unlikely(previous)) {
                                 /* expansion might have moved on while waiting for a
@@ -3811,13 +3811,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
         safepos = conf->reshape_safe;
         sector_div(safepos, data_disks);
         if (mddev->delta_disks < 0) {
-                writepos -= reshape_sectors;
+                writepos -= min_t(sector_t, reshape_sectors, writepos);
                 readpos += reshape_sectors;
                 safepos += reshape_sectors;
         } else {
                 writepos += reshape_sectors;
-                readpos -= reshape_sectors;
-                safepos -= reshape_sectors;
+                readpos -= min_t(sector_t, reshape_sectors, readpos);
+                safepos -= min_t(sector_t, reshape_sectors, safepos);
         }
 
         /* 'writepos' is the most advanced device address we might write.
@@ -3873,7 +3873,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
         for (i = 0; i < reshape_sectors; i += STRIPE_SECTORS) {
                 int j;
                 int skipped = 0;
-                sh = get_active_stripe(conf, stripe_addr+i, 0, 0);
+                sh = get_active_stripe(conf, stripe_addr+i, 0, 0, 1);
                 set_bit(STRIPE_EXPANDING, &sh->state);
                 atomic_inc(&conf->reshape_stripes);
                 /* If any of this stripe is beyond the end of the old
@@ -3916,13 +3916,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
                 raid5_compute_sector(conf, stripe_addr*(new_data_disks),
                                      1, &dd_idx, NULL);
         last_sector =
-                raid5_compute_sector(conf, ((stripe_addr+conf->chunk_size/512)
+                raid5_compute_sector(conf, ((stripe_addr+reshape_sectors)
                                             *(new_data_disks) - 1),
                                      1, &dd_idx, NULL);
         if (last_sector >= mddev->dev_sectors)
                 last_sector = mddev->dev_sectors - 1;
         while (first_sector <= last_sector) {
-                sh = get_active_stripe(conf, first_sector, 1, 0);
+                sh = get_active_stripe(conf, first_sector, 1, 0, 1);
                 set_bit(STRIPE_EXPAND_SOURCE, &sh->state);
                 set_bit(STRIPE_HANDLE, &sh->state);
                 release_stripe(sh);
@@ -4022,9 +4022,9 @@ static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *ski
 
         bitmap_cond_end_sync(mddev->bitmap, sector_nr);
 
-        sh = get_active_stripe(conf, sector_nr, 0, 1);
+        sh = get_active_stripe(conf, sector_nr, 0, 1, 0);
         if (sh == NULL) {
-                sh = get_active_stripe(conf, sector_nr, 0, 0);
+                sh = get_active_stripe(conf, sector_nr, 0, 0, 0);
                 /* make sure we don't swamp the stripe cache if someone else
                  * is trying to get access
                  */
@@ -4034,7 +4034,7 @@ static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *ski
          * We don't need to check the 'failed' flag as when that gets set,
          * recovery aborts.
          */
-        for (i=0; i<mddev->raid_disks; i++)
+        for (i = 0; i < conf->raid_disks; i++)
                 if (conf->disks[i].rdev == NULL)
                         still_degraded = 1;
 
@@ -4086,7 +4086,7 @@ static int  retry_aligned_read(raid5_conf_t *conf, struct bio *raid_bio)
                         /* already done this stripe */
                         continue;
 
-                sh = get_active_stripe(conf, sector, 0, 1);
+                sh = get_active_stripe(conf, sector, 0, 1, 0);
 
                 if (!sh) {
                         /* failed to get a stripe - must wait */
diff --git a/drivers/media/video/ivtv/ivtv-queue.c b/drivers/media/video/ivtv/ivtv-queue.c
index ff7b7deded4f..7fde36e6d227 100644
--- a/drivers/media/video/ivtv/ivtv-queue.c
+++ b/drivers/media/video/ivtv/ivtv-queue.c
@@ -230,7 +230,8 @@ int ivtv_stream_alloc(struct ivtv_stream *s)
                 return -ENOMEM;
         }
         if (ivtv_might_use_dma(s)) {
-                s->sg_handle = pci_map_single(itv->pdev, s->sg_dma, sizeof(struct ivtv_sg_element), s->dma);
+                s->sg_handle = pci_map_single(itv->pdev, s->sg_dma,
+                                sizeof(struct ivtv_sg_element), PCI_DMA_TODEVICE);
                 ivtv_stream_sync_for_cpu(s);
         }
 
diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index 3cf61ece71d7..348443bdb23b 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -119,7 +119,7 @@ enclosure_register(struct device *dev, const char *name, int components,
         edev->edev.class = &enclosure_class;
         edev->edev.parent = get_device(dev);
         edev->cb = cb;
-        dev_set_name(&edev->edev, name);
+        dev_set_name(&edev->edev, "%s", name);
         err = device_register(&edev->edev);
         if (err)
                 goto err;
@@ -255,8 +255,8 @@ enclosure_component_register(struct enclosure_device *edev,
         ecomp->number = number;
         cdev = &ecomp->cdev;
         cdev->parent = get_device(&edev->edev);
-        if (name)
-                dev_set_name(cdev, name);
+        if (name && name[0])
+                dev_set_name(cdev, "%s", name);
         else
                 dev_set_name(cdev, "%u", number);
 
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index c643d0fe118f..b56d72ff06e9 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -64,6 +64,31 @@ static int mvsd_setup_data(struct mvsd_host *host, struct mmc_data *data)
         unsigned int tmout;
         int tmout_index;
 
+        /*
+         * Hardware weirdness.  The FIFO_EMPTY bit of the HW_STATE
+         * register is sometimes not set before a while when some
+         * "unusual" data block sizes are used (such as with the SWITCH
+         * command), even despite the fact that the XFER_DONE interrupt
+         * was raised.  And if another data transfer starts before
+         * this bit comes to good sense (which eventually happens by
+         * itself) then the new transfer simply fails with a timeout.
+         */
+        if (!(mvsd_read(MVSD_HW_STATE) & (1 << 13))) {
+                unsigned long t = jiffies + HZ;
+                unsigned int hw_state,  count = 0;
+                do {
+                        if (time_after(jiffies, t)) {
+                                dev_warn(host->dev, "FIFO_EMPTY bit missing\n");
+                                break;
+                        }
+                        hw_state = mvsd_read(MVSD_HW_STATE);
+                        count++;
+                } while (!(hw_state & (1 << 13)));
+                dev_dbg(host->dev, "*** wait for FIFO_EMPTY bit "
+                                   "(hw=0x%04x, count=%d, jiffies=%ld)\n",
+                                   hw_state, count, jiffies - (t - HZ));
+        }
+
         /* If timeout=0 then maximum timeout index is used. */
         tmout = DIV_ROUND_UP(data->timeout_ns, host->ns_per_clk);
         tmout += data->timeout_clks;
@@ -620,9 +645,18 @@ static void mvsd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
         if (ios->bus_width == MMC_BUS_WIDTH_4)
                 ctrl_reg |= MVSD_HOST_CTRL_DATA_WIDTH_4_BITS;
 
+        /*
+         * The HI_SPEED_EN bit is causing trouble with many (but not all)
+         * high speed SD, SDHC and SDIO cards.  Not enabling that bit
+         * makes all cards work.  So let's just ignore that bit for now
+         * and revisit this issue if problems for not enabling this bit
+         * are ever reported.
+         */
+#if 0
         if (ios->timing == MMC_TIMING_MMC_HS ||
             ios->timing == MMC_TIMING_SD_HS)
                 ctrl_reg |= MVSD_HOST_CTRL_HI_SPEED_EN;
+#endif
 
         host->ctrl = ctrl_reg;
         mvsd_write(MVSD_HOST_CTRL, ctrl_reg);
@@ -882,3 +916,4 @@ module_param(nodma, int, 0);
 MODULE_AUTHOR("Maen Suleiman, Nicolas Pitre");
 MODULE_DESCRIPTION("Marvell MMC,SD,SDIO Host Controller driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mvsdio");
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index b4a615c55f28..f4cbe473670e 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -140,6 +140,8 @@ struct mxcmci_host {
         struct work_struct      datawork;
 };
 
+static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios);
+
 static inline int mxcmci_use_dma(struct mxcmci_host *host)
 {
         return host->do_dma;
@@ -160,7 +162,7 @@ static void mxcmci_softreset(struct mxcmci_host *host)
         writew(0xff, host->base + MMC_REG_RES_TO);
 }
 
-static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
+static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
 {
         unsigned int nob = data->blocks;
         unsigned int blksz = data->blksz;
@@ -168,6 +170,7 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
 #ifdef HAS_DMA
         struct scatterlist *sg;
         int i;
+        int ret;
 #endif
         if (data->flags & MMC_DATA_STREAM)
                 nob = 0xffff;
@@ -183,7 +186,7 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
         for_each_sg(data->sg, sg, data->sg_len, i) {
                 if (sg->offset & 3 || sg->length & 3) {
                         host->do_dma = 0;
-                        return;
+                        return 0;
                 }
         }
 
@@ -192,23 +195,30 @@ static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
                 host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg,
                                              data->sg_len,  host->dma_dir);
 
-                imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, datasize,
-                                 host->res->start + MMC_REG_BUFFER_ACCESS,
-                                 DMA_MODE_READ);
+                ret = imx_dma_setup_sg(host->dma, data->sg, host->dma_nents,
+                                datasize,
+                                host->res->start + MMC_REG_BUFFER_ACCESS,
+                                DMA_MODE_READ);
         } else {
                 host->dma_dir = DMA_TO_DEVICE;
                 host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg,
                                              data->sg_len,  host->dma_dir);
 
-                imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, datasize,
-                                 host->res->start + MMC_REG_BUFFER_ACCESS,
-                                 DMA_MODE_WRITE);
+                ret = imx_dma_setup_sg(host->dma, data->sg, host->dma_nents,
+                                datasize,
+                                host->res->start + MMC_REG_BUFFER_ACCESS,
+                                DMA_MODE_WRITE);
         }
 
+        if (ret) {
+                dev_err(mmc_dev(host->mmc), "failed to setup DMA : %d\n", ret);
+                return ret;
+        }
         wmb();
 
         imx_dma_enable(host->dma);
 #endif /* HAS_DMA */
+        return 0;
 }
 
 static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd,
@@ -345,8 +355,11 @@ static int mxcmci_poll_status(struct mxcmci_host *host, u32 mask)
                 stat = readl(host->base + MMC_REG_STATUS);
                 if (stat & STATUS_ERR_MASK)
                         return stat;
-                if (time_after(jiffies, timeout))
+                if (time_after(jiffies, timeout)) {
+                        mxcmci_softreset(host);
+                        mxcmci_set_clk_rate(host, host->clock);
                         return STATUS_TIME_OUT_READ;
+                }
                 if (stat & mask)
                         return 0;
                 cpu_relax();
@@ -531,6 +544,7 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req)
 {
         struct mxcmci_host *host = mmc_priv(mmc);
         unsigned int cmdat = host->cmdat;
+        int error;
 
         WARN_ON(host->req != NULL);
 
@@ -540,7 +554,12 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req)
         host->do_dma = 1;
 #endif
         if (req->data) {
-                mxcmci_setup_data(host, req->data);
+                error = mxcmci_setup_data(host, req->data);
+                if (error) {
+                        req->cmd->error = error;
+                        goto out;
+                }
+
 
                 cmdat |= CMD_DAT_CONT_DATA_ENABLE;
 
@@ -548,7 +567,9 @@ static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req)
                         cmdat |= CMD_DAT_CONT_WRITE;
         }
 
-        if (mxcmci_start_cmd(host, req->cmd, cmdat))
+        error = mxcmci_start_cmd(host, req->cmd, cmdat);
+out:
+        if (error)
                 mxcmci_finish_request(host, req);
 }
 
@@ -724,7 +745,9 @@ static int mxcmci_probe(struct platform_device *pdev)
                 goto out_clk_put;
         }
 
-        mmc->f_min = clk_get_rate(host->clk) >> 7;
+        mmc->f_min = clk_get_rate(host->clk) >> 16;
+        if (mmc->f_min < 400000)
+                mmc->f_min = 400000;
         mmc->f_max = clk_get_rate(host->clk) >> 1;
 
         /* recommended in data sheet */
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index bfa25c01c872..dceb5ee3bda0 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -822,7 +822,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
                 del_timer(&host->cmd_abort_timer);
                 host->abort = 1;
                 OMAP_MMC_WRITE(host, IE, 0);
-                disable_irq(host->irq);
+                disable_irq_nosync(host->irq);
                 schedule_work(&host->cmd_abort_work);
                 return IRQ_HANDLED;
         }
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index e62a22a7f00c..c40cb96255a2 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -680,7 +680,7 @@ static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data)
         host->dma_ch = -1;
         /*
          * DMA Callback: run in interrupt context.
-         * mutex_unlock will through a kernel warning if used.
+         * mutex_unlock will throw a kernel warning if used.
          */
         up(&host->sem);
 }
diff --git a/drivers/mmc/host/sdhci-of.c b/drivers/mmc/host/sdhci-of.c
index 3ff4ac3abe8b..128c614d11aa 100644
--- a/drivers/mmc/host/sdhci-of.c
+++ b/drivers/mmc/host/sdhci-of.c
@@ -55,7 +55,13 @@ static u32 esdhc_readl(struct sdhci_host *host, int reg)
 
 static u16 esdhc_readw(struct sdhci_host *host, int reg)
 {
-        return in_be16(host->ioaddr + (reg ^ 0x2));
+        u16 ret;
+
+        if (unlikely(reg == SDHCI_HOST_VERSION))
+                ret = in_be16(host->ioaddr + reg);
+        else
+                ret = in_be16(host->ioaddr + (reg ^ 0x2));
+        return ret;
 }
 
 static u8 esdhc_readb(struct sdhci_host *host, int reg)
@@ -277,6 +283,7 @@ static int __devexit sdhci_of_remove(struct of_device *ofdev)
 static const struct of_device_id sdhci_of_match[] = {
         { .compatible = "fsl,mpc8379-esdhc", .data = &sdhci_esdhc, },
         { .compatible = "fsl,mpc8536-esdhc", .data = &sdhci_esdhc, },
+        { .compatible = "fsl,esdhc", .data = &sdhci_esdhc, },
         { .compatible = "generic-sdhci", },
         {},
 };
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 0119220de7d0..02700f769b8a 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -407,16 +407,17 @@ static int __init nand_davinci_probe(struct platform_device *pdev)
         }
         info->chip.ecc.mode = ecc_mode;
 
-        info->clk = clk_get(&pdev->dev, "AEMIFCLK");
+        info->clk = clk_get(&pdev->dev, "aemif");
         if (IS_ERR(info->clk)) {
                 ret = PTR_ERR(info->clk);
-                dev_dbg(&pdev->dev, "unable to get AEMIFCLK, err %d\n", ret);
+                dev_dbg(&pdev->dev, "unable to get AEMIF clock, err %d\n", ret);
                 goto err_clk;
         }
 
         ret = clk_enable(info->clk);
         if (ret < 0) {
-                dev_dbg(&pdev->dev, "unable to enable AEMIFCLK, err %d\n", ret);
+                dev_dbg(&pdev->dev, "unable to enable AEMIF clock, err %d\n",
+                        ret);
                 goto err_clk_enable;
         }
 
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index f3548d048014..40c26080ecda 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -831,6 +831,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
                 break;
 
         case NAND_CMD_READID:
+                host->col_addr = 0;
                 send_read_id(host);
                 break;
 
@@ -867,6 +868,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
         mtd->priv = this;
         mtd->owner = THIS_MODULE;
         mtd->dev.parent = &pdev->dev;
+        mtd->name = "mxc_nand";
 
         /* 50 us command delay time */
         this->chip_delay = 5;
@@ -882,8 +884,10 @@ static int __init mxcnd_probe(struct platform_device *pdev)
         this->verify_buf = mxc_nand_verify_buf;
 
         host->clk = clk_get(&pdev->dev, "nfc");
-        if (IS_ERR(host->clk))
+        if (IS_ERR(host->clk)) {
+                err = PTR_ERR(host->clk);
                 goto eclk;
+        }
 
         clk_enable(host->clk);
         host->clk_act = 1;
@@ -896,7 +900,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 
         host->regs = ioremap(res->start, res->end - res->start + 1);
         if (!host->regs) {
-                err = -EIO;
+                err = -ENOMEM;
                 goto eres;
         }
 
@@ -1011,30 +1015,35 @@ static int __devexit mxcnd_remove(struct platform_device *pdev)
 #ifdef CONFIG_PM
 static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
 {
-        struct mtd_info *info = platform_get_drvdata(pdev);
+        struct mtd_info *mtd = platform_get_drvdata(pdev);
+        struct nand_chip *nand_chip = mtd->priv;
+        struct mxc_nand_host *host = nand_chip->priv;
         int ret = 0;
 
         DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
-        if (info)
-                ret = info->suspend(info);
-
-        /* Disable the NFC clock */
-        clk_disable(nfc_clk);   /* FIXME */
+        if (mtd) {
+                ret = mtd->suspend(mtd);
+                /* Disable the NFC clock */
+                clk_disable(host->clk);
+        }
 
         return ret;
 }
 
 static int mxcnd_resume(struct platform_device *pdev)
 {
-        struct mtd_info *info = platform_get_drvdata(pdev);
+        struct mtd_info *mtd = platform_get_drvdata(pdev);
+        struct nand_chip *nand_chip = mtd->priv;
+        struct mxc_nand_host *host = nand_chip->priv;
         int ret = 0;
 
         DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
-        /* Enable the NFC clock */
-        clk_enable(nfc_clk);    /* FIXME */
 
-        if (info)
-                info->resume(info);
+        if (mtd) {
+                /* Enable the NFC clock */
+                clk_enable(host->clk);
+                mtd->resume(mtd);
+        }
 
         return ret;
 }
@@ -1055,13 +1064,7 @@ static struct platform_driver mxcnd_driver = {
 
 static int __init mxc_nd_init(void)
 {
-        /* Register the device driver structure. */
-        pr_info("MXC MTD nand Driver\n");
-        if (platform_driver_probe(&mxcnd_driver, mxcnd_probe) != 0) {
-                printk(KERN_ERR "Driver register failed for mxcnd_driver\n");
-                return -ENODEV;
-        }
-        return 0;
+        return platform_driver_probe(&mxcnd_driver, mxcnd_probe);
 }
 
 static void __exit mxc_nd_cleanup(void)
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index fbb371921991..682aad897081 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -480,9 +480,13 @@ static int pnp_registered;
 
 #ifdef CONFIG_EISA
 static struct eisa_device_id el3_eisa_ids[] = {
+                { "TCM5090" },
+                { "TCM5091" },
                 { "TCM5092" },
                 { "TCM5093" },
+                { "TCM5094" },
                 { "TCM5095" },
+                { "TCM5098" },
                 { "" }
 };
 MODULE_DEVICE_TABLE(eisa, el3_eisa_ids);
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 1fc4602a6ff2..a1c25cb4669f 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -102,7 +102,7 @@ obj-$(CONFIG_HAMACHI) += hamachi.o
 obj-$(CONFIG_NET) += Space.o loopback.o
 obj-$(CONFIG_SEEQ8005) += seeq8005.o
 obj-$(CONFIG_NET_SB1000) += sb1000.o
-obj-$(CONFIG_MAC8390) += mac8390.o 8390.o
+obj-$(CONFIG_MAC8390) += mac8390.o
 obj-$(CONFIG_APNE) += apne.o 8390.o
 obj-$(CONFIG_PCMCIA_PCNET) += 8390.o
 obj-$(CONFIG_HP100) += hp100.o
diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c
index fb57b750866b..1342418fb209 100644
--- a/drivers/net/atl1e/atl1e_main.c
+++ b/drivers/net/atl1e/atl1e_main.c
@@ -37,6 +37,7 @@ char atl1e_driver_version[] = DRV_VERSION;
  */
 static struct pci_device_id atl1e_pci_tbl[] = {
         {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1E)},
+        {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, 0x1066)},
         /* required last entry */
         { 0 }
 };
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 0ab22540bf59..4e817126e280 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -82,6 +82,12 @@
 
 #include "atl1.h"
 
+#define ATLX_DRIVER_VERSION "2.1.3"
+MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
+        Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(ATLX_DRIVER_VERSION);
+
 /* Temporary hack for merging atl1 and atl2 */
 #include "atlx.c"
 
diff --git a/drivers/net/atlx/atlx.h b/drivers/net/atlx/atlx.h
index 297a03da6b7f..14054b75aa62 100644
--- a/drivers/net/atlx/atlx.h
+++ b/drivers/net/atlx/atlx.h
@@ -29,12 +29,6 @@
 #include <linux/module.h>
 #include <linux/types.h>
 
-#define ATLX_DRIVER_VERSION "2.1.3"
-MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
-        Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(ATLX_DRIVER_VERSION);
-
 #define ATLX_ERR_PHY                    2
 #define ATLX_ERR_PHY_SPEED              7
 #define ATLX_ERR_PHY_RES                8
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 9f971ed6b58d..b4da18213324 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -979,22 +979,7 @@ static int bfin_mac_open(struct net_device *dev)
         return 0;
 }
 
-static const struct net_device_ops bfin_mac_netdev_ops = {
-        .ndo_open               = bfin_mac_open,
-        .ndo_stop               = bfin_mac_close,
-        .ndo_start_xmit         = bfin_mac_hard_start_xmit,
-        .ndo_set_mac_address    = bfin_mac_set_mac_address,
-        .ndo_tx_timeout         = bfin_mac_timeout,
-        .ndo_set_multicast_list = bfin_mac_set_multicast_list,
-        .ndo_validate_addr      = eth_validate_addr,
-        .ndo_change_mtu         = eth_change_mtu,
-#ifdef CONFIG_NET_POLL_CONTROLLER
-        .ndo_poll_controller    = bfin_mac_poll,
-#endif
-};
-
 /*
- *
  * this makes the board clean up everything that it can
  * and not talk to the outside world.   Caused by
  * an 'ifconfig ethX down'
@@ -1019,6 +1004,20 @@ static int bfin_mac_close(struct net_device *dev)
         return 0;
 }
 
+static const struct net_device_ops bfin_mac_netdev_ops = {
+        .ndo_open               = bfin_mac_open,
+        .ndo_stop               = bfin_mac_close,
+        .ndo_start_xmit         = bfin_mac_hard_start_xmit,
+        .ndo_set_mac_address    = bfin_mac_set_mac_address,
+        .ndo_tx_timeout         = bfin_mac_timeout,
+        .ndo_set_multicast_list = bfin_mac_set_multicast_list,
+        .ndo_validate_addr      = eth_validate_addr,
+        .ndo_change_mtu         = eth_change_mtu,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+        .ndo_poll_controller    = bfin_mac_poll,
+#endif
+};
+
 static int __devinit bfin_mac_probe(struct platform_device *pdev)
 {
         struct net_device *ndev;
diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 714df2b675e6..c888e97c9671 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -85,8 +85,8 @@ struct fl_pg_chunk {
         struct page *page;
         void *va;
         unsigned int offset;
-        u64 *p_cnt;
-        DECLARE_PCI_UNMAP_ADDR(mapping);
+        unsigned long *p_cnt;
+        dma_addr_t mapping;
 };
 
 struct rx_desc;
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 7ea48414c6cb..17858b9a5830 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -2496,14 +2496,16 @@ static void check_link_status(struct adapter *adapter)
         for_each_port(adapter, i) {
                 struct net_device *dev = adapter->port[i];
                 struct port_info *p = netdev_priv(dev);
+                int link_fault;
 
                 spin_lock_irq(&adapter->work_lock);
-                if (p->link_fault) {
+                link_fault = p->link_fault;
+                spin_unlock_irq(&adapter->work_lock);
+
+                if (link_fault) {
                         t3_link_fault(adapter, i);
-                        spin_unlock_irq(&adapter->work_lock);
                         continue;
                 }
-                spin_unlock_irq(&adapter->work_lock);
 
                 if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) {
                         t3_xgm_intr_disable(adapter, i);
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 26d3587f3399..b3ee2bc1a005 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -355,7 +355,7 @@ static void clear_rx_desc(struct pci_dev *pdev, const struct sge_fl *q,
                 (*d->pg_chunk.p_cnt)--;
                 if (!*d->pg_chunk.p_cnt)
                         pci_unmap_page(pdev,
-                                       pci_unmap_addr(&d->pg_chunk, mapping),
+                                       d->pg_chunk.mapping,
                                        q->alloc_size, PCI_DMA_FROMDEVICE);
 
                 put_page(d->pg_chunk.page);
@@ -454,7 +454,7 @@ static int alloc_pg_chunk(struct adapter *adapter, struct sge_fl *q,
                 q->pg_chunk.offset = 0;
                 mapping = pci_map_page(adapter->pdev, q->pg_chunk.page,
                                        0, q->alloc_size, PCI_DMA_FROMDEVICE);
-                pci_unmap_addr_set(&q->pg_chunk, mapping, mapping);
+                q->pg_chunk.mapping = mapping;
         }
         sd->pg_chunk = q->pg_chunk;
 
@@ -511,8 +511,7 @@ static int refill_fl(struct adapter *adap, struct sge_fl *q, int n, gfp_t gfp)
 nomem:                          q->alloc_failed++;
                                 break;
                         }
-                        mapping = pci_unmap_addr(&sd->pg_chunk, mapping) +
-                                                 sd->pg_chunk.offset;
+                        mapping = sd->pg_chunk.mapping + sd->pg_chunk.offset;
                         pci_unmap_addr_set(sd, dma_addr, mapping);
 
                         add_one_rx_chunk(mapping, d, q->gen);
@@ -881,7 +880,7 @@ recycle:
         (*sd->pg_chunk.p_cnt)--;
         if (!*sd->pg_chunk.p_cnt)
                 pci_unmap_page(adap->pdev,
-                               pci_unmap_addr(&sd->pg_chunk, mapping),
+                               sd->pg_chunk.mapping,
                                fl->alloc_size,
                                PCI_DMA_FROMDEVICE);
         if (!skb) {
@@ -2096,7 +2095,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
         (*sd->pg_chunk.p_cnt)--;
         if (!*sd->pg_chunk.p_cnt)
                 pci_unmap_page(adap->pdev,
-                               pci_unmap_addr(&sd->pg_chunk, mapping),
+                               sd->pg_chunk.mapping,
                                fl->alloc_size,
                                PCI_DMA_FROMDEVICE);
 
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 4f68aeb2679a..4950d5d789ae 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -1274,6 +1274,11 @@ void t3_link_fault(struct adapter *adapter, int port_id)
                                  A_XGM_INT_STATUS + mac->offset);
         link_fault &= F_LINKFAULTCHANGE;
 
+        link_ok = lc->link_ok;
+        speed = lc->speed;
+        duplex = lc->duplex;
+        fc = lc->fc;
+
         phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc);
 
         if (link_fault) {
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index b1419e21b46b..fffb006b7d95 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -4027,8 +4027,9 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
                                  PCI_DMA_FROMDEVICE);
 
                 length = le16_to_cpu(rx_desc->length);
-
-                if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
+                /* !EOP means multiple descriptors were used to store a single
+                 * packet, also make sure the frame isn't just CRC only */
+                if (unlikely(!(status & E1000_RXD_STAT_EOP) || (length <= 4))) {
                         /* All receives must fit into a single buffer */
                         E1000_DBG("%s: Receive packet consumed multiple"
                                   " buffers\n", netdev->name);
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index f9a846b1b92f..9f6a68fb7b45 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -897,6 +897,12 @@ enum {
 };
 static int phy_cross = NV_CROSSOVER_DETECTION_DISABLED;
 
+/*
+ * Power down phy when interface is down (persists through reboot;
+ * older Linux and other OSes may not power it up again)
+ */
+static int phy_power_down = 0;
+
 static inline struct fe_priv *get_nvpriv(struct net_device *dev)
 {
         return netdev_priv(dev);
@@ -1485,7 +1491,10 @@ static int phy_init(struct net_device *dev)
 
         /* restart auto negotiation, power down phy */
         mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ);
-        mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE | BMCR_PDOWN);
+        mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE);
+        if (phy_power_down) {
+                mii_control |= BMCR_PDOWN;
+        }
         if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) {
                 return PHY_ERROR;
         }
@@ -5513,7 +5522,7 @@ static int nv_close(struct net_device *dev)
 
         nv_drain_rxtx(dev);
 
-        if (np->wolenabled) {
+        if (np->wolenabled || !phy_power_down) {
                 writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags);
                 nv_start_rx(dev);
         } else {
@@ -6367,6 +6376,8 @@ module_param(dma_64bit, int, 0);
 MODULE_PARM_DESC(dma_64bit, "High DMA is enabled by setting to 1 and disabled by setting to 0.");
 module_param(phy_cross, int, 0);
 MODULE_PARM_DESC(phy_cross, "Phy crossover detection for Realtek 8201 phy is enabled by setting to 1 and disabled by setting to 0.");
+module_param(phy_power_down, int, 0);
+MODULE_PARM_DESC(phy_power_down, "Power down phy and disable link when interface is down (1), or leave phy powered up (0).");
 
 MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>");
 MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver");
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index b2c49679bba7..a0519184e54e 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1885,8 +1885,17 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
 
                         if (unlikely(!newskb))
                                 newskb = skb;
-                        else if (skb)
+                        else if (skb) {
+                                /*
+                                 * We need to reset ->data to what it
+                                 * was before gfar_new_skb() re-aligned
+                                 * it to an RXBUF_ALIGNMENT boundary
+                                 * before we put the skb back on the
+                                 * recycle list.
+                                 */
+                                skb->data = skb->head + NET_SKB_PAD;
                                 __skb_queue_head(&priv->rx_recycle, skb);
+                        }
                 } else {
                         /* Increment the number of packets */
                         dev->stats.rx_packets++;
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 0642d52aef5c..cf352961ae9b 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -259,7 +259,7 @@ extern const char gfar_driver_version[];
 (IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \
  IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \
  | IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR \
- | IEVENT_MAG)
+ | IEVENT_MAG | IEVENT_BABR)
 
 #define IMASK_INIT_CLEAR        0x00000000
 #define IMASK_BABR              0x80000000
diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c
index 8e884869a05b..22e74a0e0361 100644
--- a/drivers/net/mac8390.c
+++ b/drivers/net/mac8390.c
@@ -304,7 +304,7 @@ struct net_device * __init mac8390_probe(int unit)
         if (!MACH_IS_MAC)
                 return ERR_PTR(-ENODEV);
 
-        dev = alloc_ei_netdev();
+        dev = ____alloc_ei_netdev(0);
         if (!dev)
                 return ERR_PTR(-ENOMEM);
 
@@ -481,15 +481,15 @@ void cleanup_module(void)
 static const struct net_device_ops mac8390_netdev_ops = {
         .ndo_open               = mac8390_open,
         .ndo_stop               = mac8390_close,
-        .ndo_start_xmit         = ei_start_xmit,
-        .ndo_tx_timeout         = ei_tx_timeout,
-        .ndo_get_stats          = ei_get_stats,
-        .ndo_set_multicast_list = ei_set_multicast_list,
+        .ndo_start_xmit         = __ei_start_xmit,
+        .ndo_tx_timeout         = __ei_tx_timeout,
+        .ndo_get_stats          = __ei_get_stats,
+        .ndo_set_multicast_list = __ei_set_multicast_list,
         .ndo_validate_addr      = eth_validate_addr,
         .ndo_set_mac_address    = eth_mac_addr,
         .ndo_change_mtu         = eth_change_mtu,
 #ifdef CONFIG_NET_POLL_CONTROLLER
-        .ndo_poll_controller    = ei_poll,
+        .ndo_poll_controller    = __ei_poll,
 #endif
 };
 
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index ac6fc499b280..e5c98a98ad37 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -426,7 +426,7 @@ void mlx4_en_poll_tx_cq(unsigned long data)
 
         INC_PERF_COUNTER(priv->pstats.tx_poll);
 
-        if (!spin_trylock(&ring->comp_lock)) {
+        if (!spin_trylock_irq(&ring->comp_lock)) {
                 mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT);
                 return;
         }
@@ -439,7 +439,7 @@ void mlx4_en_poll_tx_cq(unsigned long data)
         if (inflight && priv->port_up)
                 mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT);
 
-        spin_unlock(&ring->comp_lock);
+        spin_unlock_irq(&ring->comp_lock);
 }
 
 static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv,
@@ -482,9 +482,9 @@ static inline void mlx4_en_xmit_poll(struct mlx4_en_priv *priv, int tx_ind)
 
         /* Poll the CQ every mlx4_en_TX_MODER_POLL packets */
         if ((++ring->poll_cnt & (MLX4_EN_TX_POLL_MODER - 1)) == 0)
-                if (spin_trylock(&ring->comp_lock)) {
+                if (spin_trylock_irq(&ring->comp_lock)) {
                         mlx4_en_process_tx_cq(priv->dev, cq);
-                        spin_unlock(&ring->comp_lock);
+                        spin_unlock_irq(&ring->comp_lock);
                 }
 }
 
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 0b6e8c896835..3b19e0ce290f 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -66,7 +66,6 @@ static const int multicast_filter_limit = 32;
 #define RX_DMA_BURST    6       /* Maximum PCI burst, '6' is 1024 */
 #define TX_DMA_BURST    6       /* Maximum PCI burst, '6' is 1024 */
 #define EarlyTxThld     0x3F    /* 0x3F means NO early transmit */
-#define RxPacketMaxSize 0x3FE8  /* 16K - 1 - ETH_HLEN - VLAN - CRC... */
 #define SafeMtu         0x1c20  /* ... actually life sucks beyond ~7k */
 #define InterFrameGap   0x03    /* 3 means InterFrameGap = the shortest one */
 
@@ -2357,10 +2356,10 @@ static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
         return cmd;
 }
 
-static void rtl_set_rx_max_size(void __iomem *ioaddr)
+static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
 {
         /* Low hurts. Let's disable the filtering. */
-        RTL_W16(RxMaxSize, 16383);
+        RTL_W16(RxMaxSize, rx_buf_sz);
 }
 
 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
@@ -2407,7 +2406,7 @@ static void rtl_hw_start_8169(struct net_device *dev)
 
         RTL_W8(EarlyTxThres, EarlyTxThld);
 
-        rtl_set_rx_max_size(ioaddr);
+        rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
 
         if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
             (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
@@ -2668,7 +2667,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
 
         RTL_W8(EarlyTxThres, EarlyTxThld);
 
-        rtl_set_rx_max_size(ioaddr);
+        rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
 
         tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
 
@@ -2846,7 +2845,7 @@ static void rtl_hw_start_8101(struct net_device *dev)
 
         RTL_W8(EarlyTxThres, EarlyTxThld);
 
-        rtl_set_rx_max_size(ioaddr);
+        rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
 
         tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
 
@@ -3554,54 +3553,64 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
         int handled = 0;
         int status;
 
+        /* loop handling interrupts until we have no new ones or
+         * we hit a invalid/hotplug case.
+         */
         status = RTL_R16(IntrStatus);
+        while (status && status != 0xffff) {
+                handled = 1;
 
-        /* hotplug/major error/no more work/shared irq */
-        if ((status == 0xffff) || !status)
-                goto out;
-
-        handled = 1;
+                /* Handle all of the error cases first. These will reset
+                 * the chip, so just exit the loop.
+                 */
+                if (unlikely(!netif_running(dev))) {
+                        rtl8169_asic_down(ioaddr);
+                        break;
+                }
 
-        if (unlikely(!netif_running(dev))) {
-                rtl8169_asic_down(ioaddr);
-                goto out;
-        }
+                /* Work around for rx fifo overflow */
+                if (unlikely(status & RxFIFOOver) &&
+                (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
+                        netif_stop_queue(dev);
+                        rtl8169_tx_timeout(dev);
+                        break;
+                }
 
-        status &= tp->intr_mask;
-        RTL_W16(IntrStatus,
-                (status & RxFIFOOver) ? (status | RxOverflow) : status);
+                if (unlikely(status & SYSErr)) {
+                        rtl8169_pcierr_interrupt(dev);
+                        break;
+                }
 
-        if (!(status & tp->intr_event))
-                goto out;
+                if (status & LinkChg)
+                        rtl8169_check_link_status(dev, tp, ioaddr);
 
-        /* Work around for rx fifo overflow */
-        if (unlikely(status & RxFIFOOver) &&
-            (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
-                netif_stop_queue(dev);
-                rtl8169_tx_timeout(dev);
-                goto out;
-        }
+                /* We need to see the lastest version of tp->intr_mask to
+                 * avoid ignoring an MSI interrupt and having to wait for
+                 * another event which may never come.
+                 */
+                smp_rmb();
+                if (status & tp->intr_mask & tp->napi_event) {
+                        RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
+                        tp->intr_mask = ~tp->napi_event;
+
+                        if (likely(napi_schedule_prep(&tp->napi)))
+                                __napi_schedule(&tp->napi);
+                        else if (netif_msg_intr(tp)) {
+                                printk(KERN_INFO "%s: interrupt %04x in poll\n",
+                                dev->name, status);
+                        }
+                }
 
-        if (unlikely(status & SYSErr)) {
-                rtl8169_pcierr_interrupt(dev);
-                goto out;
+                /* We only get a new MSI interrupt when all active irq
+                 * sources on the chip have been acknowledged. So, ack
+                 * everything we've seen and check if new sources have become
+                 * active to avoid blocking all interrupts from the chip.
+                 */
+                RTL_W16(IntrStatus,
+                        (status & RxFIFOOver) ? (status | RxOverflow) : status);
+                status = RTL_R16(IntrStatus);
         }
 
-        if (status & LinkChg)
-                rtl8169_check_link_status(dev, tp, ioaddr);
-
-        if (status & tp->napi_event) {
-                RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
-                tp->intr_mask = ~tp->napi_event;
-
-                if (likely(napi_schedule_prep(&tp->napi)))
-                        __napi_schedule(&tp->napi);
-                else if (netif_msg_intr(tp)) {
-                        printk(KERN_INFO "%s: interrupt %04x in poll\n",
-                               dev->name, status);
-                }
-        }
-out:
         return IRQ_RETVAL(handled);
 }
 
@@ -3617,13 +3626,15 @@ static int rtl8169_poll(struct napi_struct *napi, int budget)
 
         if (work_done < budget) {
                 napi_complete(napi);
-                tp->intr_mask = 0xffff;
-                /*
-                 * 20040426: the barrier is not strictly required but the
-                 * behavior of the irq handler could be less predictable
-                 * without it. Btw, the lack of flush for the posted pci
-                 * write is safe - FR
+
+                /* We need for force the visibility of tp->intr_mask
+                 * for other CPUs, as we can loose an MSI interrupt
+                 * and potentially wait for a retransmit timeout if we don't.
+                 * The posted write to IntrMask is safe, as it will
+                 * eventually make it to the chip and we won't loose anything
+                 * until it does.
                  */
+                tp->intr_mask = 0xffff;
                 smp_wmb();
                 RTL_W16(IntrMask, tp->intr_event);
         }
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index ca4151a9e222..17851321b7fd 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -505,27 +505,52 @@ int i2400mu_suspend(struct usb_interface *iface, pm_message_t pm_msg)
 #ifdef CONFIG_PM
         struct usb_device *usb_dev = i2400mu->usb_dev;
 #endif
+        unsigned is_autosuspend = 0;
         struct i2400m *i2400m = &i2400mu->i2400m;
 
+#ifdef CONFIG_PM
+        if (usb_dev->auto_pm > 0)
+                is_autosuspend = 1;
+#endif
+
         d_fnstart(3, dev, "(iface %p pm_msg %u)\n", iface, pm_msg.event);
         if (i2400m->updown == 0)
                 goto no_firmware;
-        d_printf(1, dev, "fw up, requesting standby\n");
+        if (i2400m->state == I2400M_SS_DATA_PATH_CONNECTED && is_autosuspend) {
+                /* ugh -- the device is connected and this suspend
+                 * request is an autosuspend one (not a system standby
+                 * / hibernate).
+                 *
+                 * The only way the device can go to standby is if the
+                 * link with the base station is in IDLE mode; that
+                 * were the case, we'd be in status
+                 * I2400M_SS_CONNECTED_IDLE. But we are not.
+                 *
+                 * If we *tell* him to go power save now, it'll reset
+                 * as a precautionary measure, so if this is an
+                 * autosuspend thing, say no and it'll come back
+                 * later, when the link is IDLE
+                 */
+                result = -EBADF;
+                d_printf(1, dev, "fw up, link up, not-idle, autosuspend: "
+                         "not entering powersave\n");
+                goto error_not_now;
+        }
+        d_printf(1, dev, "fw up: entering powersave\n");
         atomic_dec(&i2400mu->do_autopm);
         result = i2400m_cmd_enter_powersave(i2400m);
         atomic_inc(&i2400mu->do_autopm);
-#ifdef CONFIG_PM
-        if (result < 0 && usb_dev->auto_pm == 0) {
+        if (result < 0 && !is_autosuspend) {
                 /* System suspend, can't fail */
                 dev_err(dev, "failed to suspend, will reset on resume\n");
                 result = 0;
         }
-#endif
         if (result < 0)
                 goto error_enter_powersave;
         i2400mu_notification_release(i2400mu);
-        d_printf(1, dev, "fw up, got standby\n");
+        d_printf(1, dev, "powersave requested\n");
 error_enter_powersave:
+error_not_now:
 no_firmware:
         d_fnend(3, dev, "(iface %p pm_msg %u) = %d\n",
                 iface, pm_msg.event, result);
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 8a0823588c51..3d94e7dfea69 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -430,6 +430,7 @@ config RTL8187
           ASUS P5B Deluxe
           Toshiba Satellite Pro series of laptops
           Asus Wireless Link
+          Linksys WUSB54GC-EU
 
           Thanks to Realtek for their support!
 
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index d73475739127..9eabf4d1f2e7 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -6467,6 +6467,7 @@ static int airo_get_encode(struct net_device *dev,
 {
         struct airo_info *local = dev->ml_priv;
         int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
+        int wep_key_len;
         u8 buf[16];
 
         if (!local->wep_capable)
@@ -6500,11 +6501,13 @@ static int airo_get_encode(struct net_device *dev,
         dwrq->flags |= index + 1;
 
         /* Copy the key to the user buffer */
-        dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
-        if (dwrq->length != -1)
-                memcpy(extra, buf, dwrq->length);
-        else
+        wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
+        if (wep_key_len < 0) {
                 dwrq->length = 0;
+        } else {
+                dwrq->length = wep_key_len;
+                memcpy(extra, buf, dwrq->length);
+        }
 
         return 0;
 }
@@ -6617,7 +6620,7 @@ static int airo_get_encodeext(struct net_device *dev,
         struct airo_info *local = dev->ml_priv;
         struct iw_point *encoding = &wrqu->encoding;
         struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
-        int idx, max_key_len;
+        int idx, max_key_len, wep_key_len;
         u8 buf[16];
 
         if (!local->wep_capable)
@@ -6661,11 +6664,13 @@ static int airo_get_encodeext(struct net_device *dev,
         memset(extra, 0, 16);
         
         /* Copy the key to the user buffer */
-        ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
-        if (ext->key_len != -1)
-                memcpy(extra, buf, ext->key_len);
-        else
+        wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
+        if (wep_key_len < 0) {
                 ext->key_len = 0;
+        } else {
+                ext->key_len = wep_key_len;
+                memcpy(extra, buf, ext->key_len);
+        }
 
         return 0;
 }
diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c
index 744f4f4dd3d1..8d93ca4651b9 100644
--- a/drivers/net/wireless/at76c50x-usb.c
+++ b/drivers/net/wireless/at76c50x-usb.c
@@ -1873,18 +1873,18 @@ static void at76_dwork_hw_scan(struct work_struct *work)
         if (ret != CMD_STATUS_COMPLETE) {
                 queue_delayed_work(priv->hw->workqueue, &priv->dwork_hw_scan,
                                    SCAN_POLL_INTERVAL);
-                goto exit;
+                mutex_unlock(&priv->mtx);
+                return;
         }
 
-        ieee80211_scan_completed(priv->hw, false);
-
         if (is_valid_ether_addr(priv->bssid))
                 at76_join(priv);
 
-        ieee80211_wake_queues(priv->hw);
-
-exit:
         mutex_unlock(&priv->mtx);
+
+        ieee80211_scan_completed(priv->hw, false);
+
+        ieee80211_wake_queues(priv->hw);
 }
 
 static int at76_hw_scan(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c
index 9e2faae5ae94..b48b29dca3d2 100644
--- a/drivers/net/wireless/ath5k/phy.c
+++ b/drivers/net/wireless/ath5k/phy.c
@@ -1487,28 +1487,35 @@ ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR,
 {
         s8 tmp;
         s16 min_pwrL, min_pwrR;
-        s16 pwr_i = pwrL[0];
-
-        do {
-                pwr_i--;
-                tmp = (s8) ath5k_get_interpolated_value(pwr_i,
-                                                pwrL[0], pwrL[1],
-                                                stepL[0], stepL[1]);
-
-        } while (tmp > 1);
-
-        min_pwrL = pwr_i;
-
-        pwr_i = pwrR[0];
-        do {
-                pwr_i--;
-                tmp = (s8) ath5k_get_interpolated_value(pwr_i,
-                                                pwrR[0], pwrR[1],
-                                                stepR[0], stepR[1]);
-
-        } while (tmp > 1);
+        s16 pwr_i;
+
+        if (pwrL[0] == pwrL[1])
+                min_pwrL = pwrL[0];
+        else {
+                pwr_i = pwrL[0];
+                do {
+                        pwr_i--;
+                        tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+                                                        pwrL[0], pwrL[1],
+                                                        stepL[0], stepL[1]);
+                } while (tmp > 1);
+
+                min_pwrL = pwr_i;
+        }
 
-        min_pwrR = pwr_i;
+        if (pwrR[0] == pwrR[1])
+                min_pwrR = pwrR[0];
+        else {
+                pwr_i = pwrR[0];
+                do {
+                        pwr_i--;
+                        tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+                                                        pwrR[0], pwrR[1],
+                                                        stepR[0], stepR[1]);
+                } while (tmp > 1);
+
+                min_pwrR = pwr_i;
+        }
 
         /* Keep the right boundary so that it works for both curves */
         return max(min_pwrL, min_pwrR);
diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c
index 7a17d31b2fd9..5f72c111c2e8 100644
--- a/drivers/net/wireless/ath5k/reset.c
+++ b/drivers/net/wireless/ath5k/reset.c
@@ -26,7 +26,7 @@
 \*****************************/
 
 #include <linux/pci.h>          /* To determine if a card is pci-e */
-#include <linux/bitops.h>       /* For get_bitmask_order */
+#include <linux/log2.h>
 #include "ath5k.h"
 #include "reg.h"
 #include "base.h"
@@ -69,10 +69,10 @@ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah,
 
         /* Get exponent
          * ALGO: coef_exp = 14 - highest set bit position */
-        coef_exp = get_bitmask_order(coef_scaled);
+        coef_exp = ilog2(coef_scaled);
 
         /* Doesn't make sense if it's zero*/
-        if (!coef_exp)
+        if (!coef_scaled || !coef_exp)
                 return -EINVAL;
 
         /* Note: we've shifted coef_scaled by 24 */
@@ -359,7 +359,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
                         mode |= AR5K_PHY_MODE_FREQ_5GHZ;
 
                         if (ah->ah_radio == AR5K_RF5413)
-                                clock |= AR5K_PHY_PLL_40MHZ_5413;
+                                clock = AR5K_PHY_PLL_40MHZ_5413;
                         else
                                 clock |= AR5K_PHY_PLL_40MHZ;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index e5ca2511a81a..9452461ce864 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -46,7 +46,7 @@
 #include "iwl-6000-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL5000_UCODE_API_MAX 1
+#define IWL5000_UCODE_API_MAX 2
 #define IWL5150_UCODE_API_MAX 2
 
 /* Lowest firmware API version supported */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 3bb28db4a40f..f46ba2475776 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -669,13 +669,6 @@ static int iwl_set_mode(struct iwl_priv *priv, int mode)
         if (!iwl_is_ready_rf(priv))
                 return -EAGAIN;
 
-        cancel_delayed_work(&priv->scan_check);
-        if (iwl_scan_cancel_timeout(priv, 100)) {
-                IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
-                IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
-                return -EAGAIN;
-        }
-
         iwl_commit_rxon(priv);
 
         return 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index e7c65c4f741b..6330b91e37ce 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -227,9 +227,6 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
         /* The HW is no longer scanning */
         clear_bit(STATUS_SCAN_HW, &priv->status);
 
-        /* The scan completion notification came in, so kill that timer... */
-        cancel_delayed_work(&priv->scan_check);
-
         IWL_DEBUG_INFO(priv, "Scan pass on %sGHz took %dms\n",
                        (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) ?
                                                 "2.4" : "5.2",
@@ -712,6 +709,8 @@ static void iwl_bg_request_scan(struct work_struct *data)
 
         mutex_lock(&priv->mutex);
 
+        cancel_delayed_work(&priv->scan_check);
+
         if (!iwl_is_ready(priv)) {
                 IWL_WARN(priv, "request scan called when driver not ready.\n");
                 goto done;
@@ -925,6 +924,8 @@ void iwl_bg_scan_completed(struct work_struct *work)
 
         IWL_DEBUG_SCAN(priv, "SCAN complete scan\n");
 
+        cancel_delayed_work(&priv->scan_check);
+
         ieee80211_scan_completed(priv->hw, false);
 
         if (test_bit(STATUS_EXIT_PENDING, &priv->status))
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 4cce66133500..ff4d0e41d7c4 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -782,13 +782,6 @@ static int iwl3945_set_mode(struct iwl_priv *priv, int mode)
         if (!iwl_is_ready_rf(priv))
                 return -EAGAIN;
 
-        cancel_delayed_work(&priv->scan_check);
-        if (iwl_scan_cancel_timeout(priv, 100)) {
-                IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
-                IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
-                return -EAGAIN;
-        }
-
         iwl3945_commit_rxon(priv);
 
         return 0;
@@ -3298,6 +3291,8 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
 
         mutex_lock(&priv->mutex);
 
+        cancel_delayed_work(&priv->scan_check);
+
         if (!iwl_is_ready(priv)) {
                 IWL_WARN(priv, "request scan called when driver not ready.\n");
                 goto done;
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 07d378ef0b46..7b3ee8c2eaef 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -138,7 +138,7 @@ void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
 
         if (cipher == CIPHER_TKIP_NO_MIC)
                 cipher = CIPHER_TKIP;
-        if (cipher == CIPHER_NONE || cipher > CIPHER_MAX)
+        if (cipher == CIPHER_NONE || cipher >= CIPHER_MAX)
                 return;
 
         /* Remove CIPHER_NONE index */
diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
index bac6cfba6abd..d51ba0a88c23 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c
@@ -71,6 +71,8 @@ static struct usb_device_id rtl8187_table[] __devinitdata = {
         {USB_DEVICE(0x18E8, 0x6232), .driver_info = DEVICE_RTL8187},
         /* AirLive */
         {USB_DEVICE(0x1b75, 0x8187), .driver_info = DEVICE_RTL8187},
+        /* Linksys */
+        {USB_DEVICE(0x1737, 0x0073), .driver_info = DEVICE_RTL8187B},
         {}
 };
 
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index f0e99d4c066b..242257b19441 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -78,16 +78,20 @@ void free_cpu_buffers(void)
         op_ring_buffer_write = NULL;
 }
 
+#define RB_EVENT_HDR_SIZE 4
+
 int alloc_cpu_buffers(void)
 {
         int i;
 
         unsigned long buffer_size = oprofile_cpu_buffer_size;
+        unsigned long byte_size = buffer_size * (sizeof(struct op_sample) +
+                                                 RB_EVENT_HDR_SIZE);
 
-        op_ring_buffer_read = ring_buffer_alloc(buffer_size, OP_BUFFER_FLAGS);
+        op_ring_buffer_read = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS);
         if (!op_ring_buffer_read)
                 goto fail;
-        op_ring_buffer_write = ring_buffer_alloc(buffer_size, OP_BUFFER_FLAGS);
+        op_ring_buffer_write = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS);
         if (!op_ring_buffer_write)
                 goto fail;
 
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 73348c4047e9..4a9cc92d4d18 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -702,7 +702,7 @@ static unsigned int iosapic_startup_irq(unsigned int irq)
 }
 
 #ifdef CONFIG_SMP
-static void iosapic_set_affinity_irq(unsigned int irq,
+static int iosapic_set_affinity_irq(unsigned int irq,
                                      const struct cpumask *dest)
 {
         struct vector_info *vi = iosapic_get_vector(irq);
@@ -712,7 +712,7 @@ static void iosapic_set_affinity_irq(unsigned int irq,
 
         dest_cpu = cpu_check_affinity(irq, dest);
         if (dest_cpu < 0)
-                return;
+                return -1;
 
         cpumask_copy(irq_desc[irq].affinity, cpumask_of(dest_cpu));
         vi->txn_addr = txn_affinity_addr(irq, dest_cpu);
@@ -724,6 +724,8 @@ static void iosapic_set_affinity_irq(unsigned int irq,
         iosapic_set_irt_data(vi, &dummy_d0, &d1);
         iosapic_wr_irt_entry(vi, d0, d1);
         spin_unlock_irqrestore(&iosapic_lock, flags);
+
+        return 0;
 }
 #endif
 
diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c
index e6a7e847ee80..ea31a452b153 100644
--- a/drivers/parport/parport_gsc.c
+++ b/drivers/parport/parport_gsc.c
@@ -352,8 +352,8 @@ static int __devinit parport_init_chip(struct parisc_device *dev)
         unsigned long port;
 
         if (!dev->irq) {
-                printk(KERN_WARNING "IRQ not found for parallel device at 0x%lx\n",
-                        dev->hpa.start);
+                printk(KERN_WARNING "IRQ not found for parallel device at 0x%llx\n",
+                        (unsigned long long)dev->hpa.start);
                 return -ENODEV;
         }
 
diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index 0ebca450ed29..dffa5d4fb298 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -614,7 +614,10 @@ parport_register_device(struct parport *port, const char *name,
          * pardevice fields. -arca
          */
         port->ops->init_state(tmp, tmp->state);
-        parport_device_proc_register(tmp);
+        if (!test_and_set_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags)) {
+                port->proc_device = tmp;
+                parport_device_proc_register(tmp);
+        }
         return tmp;
 
  out_free_all:
@@ -646,10 +649,14 @@ void parport_unregister_device(struct pardevice *dev)
         }
 #endif
 
-        parport_device_proc_unregister(dev);
-
         port = dev->port->physport;
 
+        if (port->proc_device == dev) {
+                port->proc_device = NULL;
+                clear_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags);
+                parport_device_proc_unregister(dev);
+        }
+
         if (port->cad == dev) {
                 printk(KERN_DEBUG "%s: %s forgot to release port\n",
                        port->name, dev->name);
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 4fc168b70095..e68d5f20ffb3 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -129,7 +129,6 @@ struct acpiphp_func {
         struct acpiphp_bridge *bridge;  /* Ejectable PCI-to-PCI bridge */
 
         struct list_head sibling;
-        struct pci_dev *pci_dev;
         struct notifier_block nb;
         acpi_handle     handle;
 
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index a33794d9e0dc..3a6064bce561 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -32,9 +32,6 @@
 
 /*
  * Lifetime rules for pci_dev:
- *  - The one in acpiphp_func has its refcount elevated by pci_get_slot()
- *    when the driver is loaded or when an insertion event occurs.  It loses
- *    a refcount when its ejected or the driver unloads.
  *  - The one in acpiphp_bridge has its refcount elevated by pci_get_slot()
  *    when the bridge is scanned and it loses a refcount when the bridge
  *    is removed.
@@ -130,6 +127,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
         unsigned long long adr, sun;
         int device, function, retval;
         struct pci_bus *pbus = bridge->pci_bus;
+        struct pci_dev *pdev;
 
         if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle))
                 return AE_OK;
@@ -213,10 +211,10 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
         newfunc->slot = slot;
         list_add_tail(&newfunc->sibling, &slot->funcs);
 
-        /* associate corresponding pci_dev */
-        newfunc->pci_dev = pci_get_slot(pbus, PCI_DEVFN(device, function));
-        if (newfunc->pci_dev) {
+        pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
+        if (pdev) {
                 slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
+                pci_dev_put(pdev);
         }
 
         if (is_dock_device(handle)) {
@@ -617,7 +615,6 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge)
                                 if (ACPI_FAILURE(status))
                                         err("failed to remove notify handler\n");
                         }
-                        pci_dev_put(func->pci_dev);
                         list_del(list);
                         kfree(func);
                 }
@@ -1101,22 +1098,24 @@ static int __ref enable_device(struct acpiphp_slot *slot)
         pci_enable_bridges(bus);
         pci_bus_add_devices(bus);
 
-        /* associate pci_dev to our representation */
         list_for_each (l, &slot->funcs) {
                 func = list_entry(l, struct acpiphp_func, sibling);
-                func->pci_dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
-                                                        func->function));
-                if (!func->pci_dev)
+                dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
+                                                  func->function));
+                if (!dev)
                         continue;
 
-                if (func->pci_dev->hdr_type != PCI_HEADER_TYPE_BRIDGE &&
-                    func->pci_dev->hdr_type != PCI_HEADER_TYPE_CARDBUS)
+                if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE &&
+                    dev->hdr_type != PCI_HEADER_TYPE_CARDBUS) {
+                        pci_dev_put(dev);
                         continue;
+                }
 
                 status = find_p2p_bridge(func->handle, (u32)1, bus, NULL);
                 if (ACPI_FAILURE(status))
                         warn("find_p2p_bridge failed (error code = 0x%x)\n",
                                 status);
+                pci_dev_put(dev);
         }
 
         slot->flags |= SLOT_ENABLED;
@@ -1142,17 +1141,14 @@ static void disable_bridges(struct pci_bus *bus)
  */
 static int disable_device(struct acpiphp_slot *slot)
 {
-        int retval = 0;
         struct acpiphp_func *func;
-        struct list_head *l;
+        struct pci_dev *pdev;
 
         /* is this slot already disabled? */
         if (!(slot->flags & SLOT_ENABLED))
                 goto err_exit;
 
-        list_for_each (l, &slot->funcs) {
-                func = list_entry(l, struct acpiphp_func, sibling);
-
+        list_for_each_entry(func, &slot->funcs, sibling) {
                 if (func->bridge) {
                         /* cleanup p2p bridges under this P2P bridge */
                         cleanup_p2p_bridge(func->bridge->handle,
@@ -1160,35 +1156,28 @@ static int disable_device(struct acpiphp_slot *slot)
                         func->bridge = NULL;
                 }
 
-                if (func->pci_dev) {
-                        pci_stop_bus_device(func->pci_dev);
-                        if (func->pci_dev->subordinate) {
-                                disable_bridges(func->pci_dev->subordinate);
-                                pci_disable_device(func->pci_dev);
+                pdev = pci_get_slot(slot->bridge->pci_bus,
+                                    PCI_DEVFN(slot->device, func->function));
+                if (pdev) {
+                        pci_stop_bus_device(pdev);
+                        if (pdev->subordinate) {
+                                disable_bridges(pdev->subordinate);
+                                pci_disable_device(pdev);
                         }
+                        pci_remove_bus_device(pdev);
+                        pci_dev_put(pdev);
                 }
         }
 
-        list_for_each (l, &slot->funcs) {
-                func = list_entry(l, struct acpiphp_func, sibling);
-
+        list_for_each_entry(func, &slot->funcs, sibling) {
                 acpiphp_unconfigure_ioapics(func->handle);
                 acpiphp_bus_trim(func->handle);
-                /* try to remove anyway.
-                 * acpiphp_bus_add might have been failed */
-
-                if (!func->pci_dev)
-                        continue;
-
-                pci_remove_bus_device(func->pci_dev);
-                pci_dev_put(func->pci_dev);
-                func->pci_dev = NULL;
         }
 
         slot->flags &= (~SLOT_ENABLED);
 
- err_exit:
-        return retval;
+err_exit:
+        return 0;
 }
 
 
diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c
index dd18f857dfb0..42e4260c3b12 100644
--- a/drivers/pci/hotplug/ibmphp_core.c
+++ b/drivers/pci/hotplug/ibmphp_core.c
@@ -153,45 +153,47 @@ int ibmphp_init_devno(struct slot **cur_slot)
                 return -1;
         }
         for (loop = 0; loop < len; loop++) {
-                if ((*cur_slot)->number == rtable->slots[loop].slot) {
-                if ((*cur_slot)->bus == rtable->slots[loop].bus) {
+                if ((*cur_slot)->number == rtable->slots[loop].slot &&
+                    (*cur_slot)->bus == rtable->slots[loop].bus) {
+                        struct io_apic_irq_attr irq_attr;
+
                         (*cur_slot)->device = PCI_SLOT(rtable->slots[loop].devfn);
                         for (i = 0; i < 4; i++)
                                 (*cur_slot)->irq[i] = IO_APIC_get_PCI_irq_vector((int) (*cur_slot)->bus,
-                                                (int) (*cur_slot)->device, i);
-
-                                debug("(*cur_slot)->irq[0] = %x\n",
-                                                (*cur_slot)->irq[0]);
-                                debug("(*cur_slot)->irq[1] = %x\n",
-                                                (*cur_slot)->irq[1]);
-                                debug("(*cur_slot)->irq[2] = %x\n",
-                                                (*cur_slot)->irq[2]);
-                                debug("(*cur_slot)->irq[3] = %x\n",
-                                                (*cur_slot)->irq[3]);
-
-                                debug("rtable->exlusive_irqs = %x\n",
+                                                (int) (*cur_slot)->device, i,
+                                                &irq_attr);
+
+                        debug("(*cur_slot)->irq[0] = %x\n",
+                                        (*cur_slot)->irq[0]);
+                        debug("(*cur_slot)->irq[1] = %x\n",
+                                        (*cur_slot)->irq[1]);
+                        debug("(*cur_slot)->irq[2] = %x\n",
+                                        (*cur_slot)->irq[2]);
+                        debug("(*cur_slot)->irq[3] = %x\n",
+                                        (*cur_slot)->irq[3]);
+
+                        debug("rtable->exlusive_irqs = %x\n",
                                         rtable->exclusive_irqs);
-                                debug("rtable->slots[loop].irq[0].bitmap = %x\n",
+                        debug("rtable->slots[loop].irq[0].bitmap = %x\n",
                                         rtable->slots[loop].irq[0].bitmap);
-                                debug("rtable->slots[loop].irq[1].bitmap = %x\n",
+                        debug("rtable->slots[loop].irq[1].bitmap = %x\n",
                                         rtable->slots[loop].irq[1].bitmap);
-                                debug("rtable->slots[loop].irq[2].bitmap = %x\n",
+                        debug("rtable->slots[loop].irq[2].bitmap = %x\n",
                                         rtable->slots[loop].irq[2].bitmap);
-                                debug("rtable->slots[loop].irq[3].bitmap = %x\n",
+                        debug("rtable->slots[loop].irq[3].bitmap = %x\n",
                                         rtable->slots[loop].irq[3].bitmap);
 
-                                debug("rtable->slots[loop].irq[0].link = %x\n",
+                        debug("rtable->slots[loop].irq[0].link = %x\n",
                                         rtable->slots[loop].irq[0].link);
-                                debug("rtable->slots[loop].irq[1].link = %x\n",
+                        debug("rtable->slots[loop].irq[1].link = %x\n",
                                         rtable->slots[loop].irq[1].link);
-                                debug("rtable->slots[loop].irq[2].link = %x\n",
+                        debug("rtable->slots[loop].irq[2].link = %x\n",
                                         rtable->slots[loop].irq[2].link);
-                                debug("rtable->slots[loop].irq[3].link = %x\n",
+                        debug("rtable->slots[loop].irq[3].link = %x\n",
                                         rtable->slots[loop].irq[3].link);
-                                debug("end of init_devno\n");
-                                kfree(rtable);
-                                return 0;
-                        }
+                        debug("end of init_devno\n");
+                        kfree(rtable);
+                        return 0;
                 }
         }
 
diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c
index 6808d8333ecc..737a1c44b07a 100644
--- a/drivers/pci/htirq.c
+++ b/drivers/pci/htirq.c
@@ -98,6 +98,7 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
         int max_irq;
         int pos;
         int irq;
+        int node;
 
         pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ);
         if (!pos)
@@ -125,7 +126,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
         cfg->msg.address_lo = 0xffffffff;
         cfg->msg.address_hi = 0xffffffff;
 
-        irq = create_irq();
+        node = dev_to_node(&dev->dev);
+        irq = create_irq_nr(0, node);
 
         if (irq <= 0) {
                 kfree(cfg);
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index a563fbe559d0..cd389162735f 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1972,15 +1972,6 @@ static int __init init_dmars(void)
                 }
         }
 
-#ifdef CONFIG_INTR_REMAP
-        if (!intr_remapping_enabled) {
-                ret = enable_intr_remapping(0);
-                if (ret)
-                        printk(KERN_ERR
-                               "IOMMU: enable interrupt remapping failed\n");
-        }
-#endif
-
         /*
          * For each rmrr
          *   for each dev attached to rmrr
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index f5e0ea724a6f..3a0cb0bb0593 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -15,6 +15,14 @@ static struct ioapic_scope ir_ioapic[MAX_IO_APICS];
 static int ir_ioapic_num;
 int intr_remapping_enabled;
 
+static int disable_intremap;
+static __init int setup_nointremap(char *str)
+{
+        disable_intremap = 1;
+        return 0;
+}
+early_param("nointremap", setup_nointremap);
+
 struct irq_2_iommu {
         struct intel_iommu *iommu;
         u16 irte_index;
@@ -23,15 +31,12 @@ struct irq_2_iommu {
 };
 
 #ifdef CONFIG_GENERIC_HARDIRQS
-static struct irq_2_iommu *get_one_free_irq_2_iommu(int cpu)
+static struct irq_2_iommu *get_one_free_irq_2_iommu(int node)
 {
         struct irq_2_iommu *iommu;
-        int node;
-
-        node = cpu_to_node(cpu);
 
         iommu = kzalloc_node(sizeof(*iommu), GFP_ATOMIC, node);
-        printk(KERN_DEBUG "alloc irq_2_iommu on cpu %d node %d\n", cpu, node);
+        printk(KERN_DEBUG "alloc irq_2_iommu on node %d\n", node);
 
         return iommu;
 }
@@ -48,7 +53,7 @@ static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
         return desc->irq_2_iommu;
 }
 
-static struct irq_2_iommu *irq_2_iommu_alloc_cpu(unsigned int irq, int cpu)
+static struct irq_2_iommu *irq_2_iommu_alloc_node(unsigned int irq, int node)
 {
         struct irq_desc *desc;
         struct irq_2_iommu *irq_iommu;
@@ -56,7 +61,7 @@ static struct irq_2_iommu *irq_2_iommu_alloc_cpu(unsigned int irq, int cpu)
         /*
          * alloc irq desc if not allocated already.
          */
-        desc = irq_to_desc_alloc_cpu(irq, cpu);
+        desc = irq_to_desc_alloc_node(irq, node);
         if (!desc) {
                 printk(KERN_INFO "can not get irq_desc for %d\n", irq);
                 return NULL;
@@ -65,14 +70,14 @@ static struct irq_2_iommu *irq_2_iommu_alloc_cpu(unsigned int irq, int cpu)
         irq_iommu = desc->irq_2_iommu;
 
         if (!irq_iommu)
-                desc->irq_2_iommu = get_one_free_irq_2_iommu(cpu);
+                desc->irq_2_iommu = get_one_free_irq_2_iommu(node);
 
         return desc->irq_2_iommu;
 }
 
 static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
 {
-        return irq_2_iommu_alloc_cpu(irq, boot_cpu_id);
+        return irq_2_iommu_alloc_node(irq, cpu_to_node(boot_cpu_id));
 }
 
 #else /* !CONFIG_SPARSE_IRQ */
@@ -423,20 +428,6 @@ static void iommu_set_intr_remapping(struct intel_iommu *iommu, int mode)
                       readl, (sts & DMA_GSTS_IRTPS), sts);
         spin_unlock_irqrestore(&iommu->register_lock, flags);
 
-        if (mode == 0) {
-                spin_lock_irqsave(&iommu->register_lock, flags);
-
-                /* enable comaptiblity format interrupt pass through */
-                cmd = iommu->gcmd | DMA_GCMD_CFI;
-                iommu->gcmd |= DMA_GCMD_CFI;
-                writel(cmd, iommu->reg + DMAR_GCMD_REG);
-
-                IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG,
-                              readl, (sts & DMA_GSTS_CFIS), sts);
-
-                spin_unlock_irqrestore(&iommu->register_lock, flags);
-        }
-
         /*
          * global invalidation of interrupt entry cache before enabling
          * interrupt-remapping.
@@ -516,6 +507,23 @@ end:
         spin_unlock_irqrestore(&iommu->register_lock, flags);
 }
 
+int __init intr_remapping_supported(void)
+{
+        struct dmar_drhd_unit *drhd;
+
+        if (disable_intremap)
+                return 0;
+
+        for_each_drhd_unit(drhd) {
+                struct intel_iommu *iommu = drhd->iommu;
+
+                if (!ecap_ir_support(iommu->ecap))
+                        return 0;
+        }
+
+        return 1;
+}
+
 int __init enable_intr_remapping(int eim)
 {
         struct dmar_drhd_unit *drhd;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 34bf0fdf5047..1a91bf9687af 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -557,7 +557,8 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state)
         } else {
                 error = -ENODEV;
                 /* Fall back to PCI_D0 if native PM is not supported */
-                pci_update_current_state(dev, PCI_D0);
+                if (!dev->pm_cap)
+                        dev->current_state = PCI_D0;
         }
 
         return error;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index e3c3e081b834..f1ae2475ffff 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -745,6 +745,8 @@ int pci_setup_device(struct pci_dev *dev)
 
         /* Early fixups, before probing the BARs */
         pci_fixup_device(pci_fixup_early, dev);
+        /* device class may be changed after fixup */
+        class = dev->class >> 8;
 
         switch (dev->hdr_type) {                    /* header type */
         case PCI_HEADER_TYPE_NORMAL:                /* standard header */
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index adf17856bacc..7f207f335bec 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -123,7 +123,7 @@ static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev,
         }
 
         flags = irq_flags(triggering, polarity, shareable);
-        irq = acpi_register_gsi(gsi, triggering, polarity);
+        irq = acpi_register_gsi(&dev->dev, gsi, triggering, polarity);
         if (irq >= 0)
                 pcibios_penalize_isa_irq(irq, 1);
         else
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 8b7983aba8f7..36c21b19e5d7 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1978,7 +1978,8 @@ static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id)
 {
         struct scsi_cmnd *cmd = tw_dev->srb[request_id];
 
-        scsi_dma_unmap(cmd);
+        if (cmd->SCp.phase == TW_PHASE_SGLIST)
+                scsi_dma_unmap(cmd);
 } /* End twa_unmap_scsi_data() */
 
 /* scsi_host_template initializer */
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index c03f1d2c9e2e..faa0fcfed71e 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -6,7 +6,7 @@
                      Arnaldo Carvalho de Melo <acme@conectiva.com.br>
                      Brad Strand <linux@3ware.com>
 
-   Copyright (C) 1999-2007 3ware Inc.
+   Copyright (C) 1999-2009 3ware Inc.
 
    Kernel compatiblity By:      Andre Hedrick <andre@suse.com>
    Non-Copyright (C) 2000       Andre Hedrick <andre@suse.com>
@@ -1294,7 +1294,8 @@ static void tw_unmap_scsi_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
 {
         dprintk(KERN_WARNING "3w-xxxx: tw_unmap_scsi_data()\n");
 
-        scsi_dma_unmap(cmd);
+        if (cmd->SCp.phase == TW_PHASE_SGLIST)
+                scsi_dma_unmap(cmd);
 } /* End tw_unmap_scsi_data() */
 
 /* This function will reset a device extension */
diff --git a/drivers/scsi/3w-xxxx.h b/drivers/scsi/3w-xxxx.h
index 8e71e5e122b3..a5a2ba2561d9 100644
--- a/drivers/scsi/3w-xxxx.h
+++ b/drivers/scsi/3w-xxxx.h
@@ -6,7 +6,7 @@
                      Arnaldo Carvalho de Melo <acme@conectiva.com.br>
                      Brad Strand <linux@3ware.com>
 
-   Copyright (C) 1999-2007 3ware Inc.
+   Copyright (C) 1999-2009 3ware Inc.
 
    Kernel compatiblity By:      Andre Hedrick <andre@suse.com>
    Non-Copyright (C) 2000       Andre Hedrick <andre@suse.com>
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 8ed2990c826e..fb2740789b68 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -628,6 +628,17 @@ config FCOE
         ---help---
           Fibre Channel over Ethernet module
 
+config FCOE_FNIC
+        tristate "Cisco FNIC Driver"
+        depends on PCI && X86
+        select LIBFC
+        help
+          This is support for the Cisco PCI-Express FCoE HBA.
+
+          To compile this driver as a module, choose M here and read
+          <file:Documentation/scsi/scsi.txt>.
+          The module will be called fnic.
+
 config SCSI_DMX3191D
         tristate "DMX3191D SCSI support"
         depends on PCI && SCSI
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index e7c861ac417d..a5049cfb40ed 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_SCSI_DH)		+= device_handler/
 obj-$(CONFIG_LIBFC)             += libfc/
 obj-$(CONFIG_LIBFCOE)           += fcoe/
 obj-$(CONFIG_FCOE)              += fcoe/
+obj-$(CONFIG_FCOE_FNIC)         += fnic/
 obj-$(CONFIG_ISCSI_TCP)         += libiscsi.o   libiscsi_tcp.o iscsi_tcp.o
 obj-$(CONFIG_INFINIBAND_ISER)   += libiscsi.o
 obj-$(CONFIG_SCSI_A4000T)       += 53c700.o     a4000t.o
diff --git a/drivers/scsi/fnic/Makefile b/drivers/scsi/fnic/Makefile
new file mode 100644
index 000000000000..37c3440bc17c
--- /dev/null
+++ b/drivers/scsi/fnic/Makefile
@@ -0,0 +1,15 @@
+obj-$(CONFIG_FCOE_FNIC) += fnic.o
+
+fnic-y  := \
+        fnic_attrs.o \
+        fnic_isr.o \
+        fnic_main.o \
+        fnic_res.o \
+        fnic_fcs.o \
+        fnic_scsi.o \
+        vnic_cq.o \
+        vnic_dev.o \
+        vnic_intr.o \
+        vnic_rq.o \
+        vnic_wq_copy.o \
+        vnic_wq.o
diff --git a/drivers/scsi/fnic/cq_desc.h b/drivers/scsi/fnic/cq_desc.h
new file mode 100644
index 000000000000..d1225cf6320e
--- /dev/null
+++ b/drivers/scsi/fnic/cq_desc.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _CQ_DESC_H_
+#define _CQ_DESC_H_
+
+/*
+ * Completion queue descriptor types
+ */
+enum cq_desc_types {
+        CQ_DESC_TYPE_WQ_ENET = 0,
+        CQ_DESC_TYPE_DESC_COPY = 1,
+        CQ_DESC_TYPE_WQ_EXCH = 2,
+        CQ_DESC_TYPE_RQ_ENET = 3,
+        CQ_DESC_TYPE_RQ_FCP = 4,
+};
+
+/* Completion queue descriptor: 16B
+ *
+ * All completion queues have this basic layout.  The
+ * type_specfic area is unique for each completion
+ * queue type.
+ */
+struct cq_desc {
+        __le16 completed_index;
+        __le16 q_number;
+        u8 type_specfic[11];
+        u8 type_color;
+};
+
+#define CQ_DESC_TYPE_BITS        4
+#define CQ_DESC_TYPE_MASK        ((1 << CQ_DESC_TYPE_BITS) - 1)
+#define CQ_DESC_COLOR_MASK       1
+#define CQ_DESC_COLOR_SHIFT      7
+#define CQ_DESC_Q_NUM_BITS       10
+#define CQ_DESC_Q_NUM_MASK       ((1 << CQ_DESC_Q_NUM_BITS) - 1)
+#define CQ_DESC_COMP_NDX_BITS    12
+#define CQ_DESC_COMP_NDX_MASK    ((1 << CQ_DESC_COMP_NDX_BITS) - 1)
+
+static inline void cq_desc_dec(const struct cq_desc *desc_arg,
+        u8 *type, u8 *color, u16 *q_number, u16 *completed_index)
+{
+        const struct cq_desc *desc = desc_arg;
+        const u8 type_color = desc->type_color;
+
+        *color = (type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK;
+
+        /*
+         * Make sure color bit is read from desc *before* other fields
+         * are read from desc.  Hardware guarantees color bit is last
+         * bit (byte) written.  Adding the rmb() prevents the compiler
+         * and/or CPU from reordering the reads which would potentially
+         * result in reading stale values.
+         */
+
+        rmb();
+
+        *type = type_color & CQ_DESC_TYPE_MASK;
+        *q_number = le16_to_cpu(desc->q_number) & CQ_DESC_Q_NUM_MASK;
+        *completed_index = le16_to_cpu(desc->completed_index) &
+                CQ_DESC_COMP_NDX_MASK;
+}
+
+#endif /* _CQ_DESC_H_ */
diff --git a/drivers/scsi/fnic/cq_enet_desc.h b/drivers/scsi/fnic/cq_enet_desc.h
new file mode 100644
index 000000000000..a9fa26f82ddd
--- /dev/null
+++ b/drivers/scsi/fnic/cq_enet_desc.h
@@ -0,0 +1,167 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _CQ_ENET_DESC_H_
+#define _CQ_ENET_DESC_H_
+
+#include "cq_desc.h"
+
+/* Ethernet completion queue descriptor: 16B */
+struct cq_enet_wq_desc {
+        __le16 completed_index;
+        __le16 q_number;
+        u8 reserved[11];
+        u8 type_color;
+};
+
+static inline void cq_enet_wq_desc_dec(struct cq_enet_wq_desc *desc,
+        u8 *type, u8 *color, u16 *q_number, u16 *completed_index)
+{
+        cq_desc_dec((struct cq_desc *)desc, type,
+                color, q_number, completed_index);
+}
+
+/* Completion queue descriptor: Ethernet receive queue, 16B */
+struct cq_enet_rq_desc {
+        __le16 completed_index_flags;
+        __le16 q_number_rss_type_flags;
+        __le32 rss_hash;
+        __le16 bytes_written_flags;
+        __le16 vlan;
+        __le16 checksum_fcoe;
+        u8 flags;
+        u8 type_color;
+};
+
+#define CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT          (0x1 << 12)
+#define CQ_ENET_RQ_DESC_FLAGS_FCOE                  (0x1 << 13)
+#define CQ_ENET_RQ_DESC_FLAGS_EOP                   (0x1 << 14)
+#define CQ_ENET_RQ_DESC_FLAGS_SOP                   (0x1 << 15)
+
+#define CQ_ENET_RQ_DESC_RSS_TYPE_BITS               4
+#define CQ_ENET_RQ_DESC_RSS_TYPE_MASK \
+        ((1 << CQ_ENET_RQ_DESC_RSS_TYPE_BITS) - 1)
+#define CQ_ENET_RQ_DESC_RSS_TYPE_NONE               0
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv4               1
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv4           2
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6               3
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6           4
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6_EX            5
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6_EX        6
+
+#define CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC         (0x1 << 14)
+
+#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS          14
+#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK \
+        ((1 << CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FLAGS_TRUNCATED             (0x1 << 14)
+#define CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED         (0x1 << 15)
+
+#define CQ_ENET_RQ_DESC_FCOE_SOF_BITS               4
+#define CQ_ENET_RQ_DESC_FCOE_SOF_MASK \
+        ((1 << CQ_ENET_RQ_DESC_FCOE_SOF_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FCOE_EOF_BITS               8
+#define CQ_ENET_RQ_DESC_FCOE_EOF_MASK \
+        ((1 << CQ_ENET_RQ_DESC_FCOE_EOF_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT              8
+
+#define CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK       (0x1 << 0)
+#define CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK              (0x1 << 0)
+#define CQ_ENET_RQ_DESC_FLAGS_UDP                   (0x1 << 1)
+#define CQ_ENET_RQ_DESC_FCOE_ENC_ERROR              (0x1 << 1)
+#define CQ_ENET_RQ_DESC_FLAGS_TCP                   (0x1 << 2)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK          (0x1 << 3)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV6                  (0x1 << 4)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4                  (0x1 << 5)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT         (0x1 << 6)
+#define CQ_ENET_RQ_DESC_FLAGS_FCS_OK                (0x1 << 7)
+
+static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc,
+        u8 *type, u8 *color, u16 *q_number, u16 *completed_index,
+        u8 *ingress_port, u8 *fcoe, u8 *eop, u8 *sop, u8 *rss_type,
+        u8 *csum_not_calc, u32 *rss_hash, u16 *bytes_written, u8 *packet_error,
+        u8 *vlan_stripped, u16 *vlan, u16 *checksum, u8 *fcoe_sof,
+        u8 *fcoe_fc_crc_ok, u8 *fcoe_enc_error, u8 *fcoe_eof,
+        u8 *tcp_udp_csum_ok, u8 *udp, u8 *tcp, u8 *ipv4_csum_ok,
+        u8 *ipv6, u8 *ipv4, u8 *ipv4_fragment, u8 *fcs_ok)
+{
+        u16 completed_index_flags = le16_to_cpu(desc->completed_index_flags);
+        u16 q_number_rss_type_flags =
+                le16_to_cpu(desc->q_number_rss_type_flags);
+        u16 bytes_written_flags = le16_to_cpu(desc->bytes_written_flags);
+
+        cq_desc_dec((struct cq_desc *)desc, type,
+                color, q_number, completed_index);
+
+        *ingress_port = (completed_index_flags &
+                CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT) ? 1 : 0;
+        *fcoe = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_FCOE) ?
+                1 : 0;
+        *eop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_EOP) ?
+                1 : 0;
+        *sop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_SOP) ?
+                1 : 0;
+
+        *rss_type = (u8)((q_number_rss_type_flags >> CQ_DESC_Q_NUM_BITS) &
+                CQ_ENET_RQ_DESC_RSS_TYPE_MASK);
+        *csum_not_calc = (q_number_rss_type_flags &
+                CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ? 1 : 0;
+
+        *rss_hash = le32_to_cpu(desc->rss_hash);
+
+        *bytes_written = bytes_written_flags &
+                CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK;
+        *packet_error = (bytes_written_flags &
+                CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ? 1 : 0;
+        *vlan_stripped = (bytes_written_flags &
+                CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) ? 1 : 0;
+
+        *vlan = le16_to_cpu(desc->vlan);
+
+        if (*fcoe) {
+                *fcoe_sof = (u8)(le16_to_cpu(desc->checksum_fcoe) &
+                        CQ_ENET_RQ_DESC_FCOE_SOF_MASK);
+                *fcoe_fc_crc_ok = (desc->flags &
+                        CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0;
+                *fcoe_enc_error = (desc->flags &
+                        CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0;
+                *fcoe_eof = (u8)((desc->checksum_fcoe >>
+                        CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) &
+                        CQ_ENET_RQ_DESC_FCOE_EOF_MASK);
+                *checksum = 0;
+        } else {
+                *fcoe_sof = 0;
+                *fcoe_fc_crc_ok = 0;
+                *fcoe_enc_error = 0;
+                *fcoe_eof = 0;
+                *checksum = le16_to_cpu(desc->checksum_fcoe);
+        }
+
+        *tcp_udp_csum_ok =
+                (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ? 1 : 0;
+        *udp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_UDP) ? 1 : 0;
+        *tcp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP) ? 1 : 0;
+        *ipv4_csum_ok =
+                (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ? 1 : 0;
+        *ipv6 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV6) ? 1 : 0;
+        *ipv4 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4) ? 1 : 0;
+        *ipv4_fragment =
+                (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT) ? 1 : 0;
+        *fcs_ok = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_FCS_OK) ? 1 : 0;
+}
+
+#endif /* _CQ_ENET_DESC_H_ */
diff --git a/drivers/scsi/fnic/cq_exch_desc.h b/drivers/scsi/fnic/cq_exch_desc.h
new file mode 100644
index 000000000000..501660cfe228
--- /dev/null
+++ b/drivers/scsi/fnic/cq_exch_desc.h
@@ -0,0 +1,182 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _CQ_EXCH_DESC_H_
+#define _CQ_EXCH_DESC_H_
+
+#include "cq_desc.h"
+
+/* Exchange completion queue descriptor: 16B */
+struct cq_exch_wq_desc {
+        u16 completed_index;
+        u16 q_number;
+        u16 exchange_id;
+        u8  tmpl;
+        u8  reserved0;
+        u32 reserved1;
+        u8  exch_status;
+        u8  reserved2[2];
+        u8  type_color;
+};
+
+#define CQ_EXCH_WQ_STATUS_BITS      2
+#define CQ_EXCH_WQ_STATUS_MASK      ((1 << CQ_EXCH_WQ_STATUS_BITS) - 1)
+
+enum cq_exch_status_types {
+        CQ_EXCH_WQ_STATUS_TYPE_COMPLETE = 0,
+        CQ_EXCH_WQ_STATUS_TYPE_ABORT = 1,
+        CQ_EXCH_WQ_STATUS_TYPE_SGL_EOF = 2,
+        CQ_EXCH_WQ_STATUS_TYPE_TMPL_ERR = 3,
+};
+
+static inline void cq_exch_wq_desc_dec(struct cq_exch_wq_desc *desc_ptr,
+                                       u8  *type,
+                                       u8  *color,
+                                       u16 *q_number,
+                                       u16 *completed_index,
+                                       u8  *exch_status)
+{
+        cq_desc_dec((struct cq_desc *)desc_ptr, type,
+                    color, q_number, completed_index);
+        *exch_status = desc_ptr->exch_status & CQ_EXCH_WQ_STATUS_MASK;
+}
+
+struct cq_fcp_rq_desc {
+        u16 completed_index_eop_sop_prt;
+        u16 q_number;
+        u16 exchange_id;
+        u16 tmpl;
+        u16 bytes_written;
+        u16 vlan;
+        u8  sof;
+        u8  eof;
+        u8  fcs_fer_fck;
+        u8  type_color;
+};
+
+#define CQ_FCP_RQ_DESC_FLAGS_SOP                (1 << 15)
+#define CQ_FCP_RQ_DESC_FLAGS_EOP                (1 << 14)
+#define CQ_FCP_RQ_DESC_FLAGS_PRT                (1 << 12)
+#define CQ_FCP_RQ_DESC_TMPL_MASK                0x1f
+#define CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK       0x3fff
+#define CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT         14
+#define CQ_FCP_RQ_DESC_PACKET_ERR_MASK (1 << CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT)
+#define CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT        15
+#define CQ_FCP_RQ_DESC_VS_STRIPPED_MASK (1 << CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT)
+#define CQ_FCP_RQ_DESC_FC_CRC_OK_MASK           0x1
+#define CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT           1
+#define CQ_FCP_RQ_DESC_FCOE_ERR_MASK (1 << CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT)
+#define CQ_FCP_RQ_DESC_FCS_OK_SHIFT             7
+#define CQ_FCP_RQ_DESC_FCS_OK_MASK (1 << CQ_FCP_RQ_DESC_FCS_OK_SHIFT)
+
+static inline void cq_fcp_rq_desc_dec(struct cq_fcp_rq_desc *desc_ptr,
+                                      u8  *type,
+                                      u8  *color,
+                                      u16 *q_number,
+                                      u16 *completed_index,
+                                      u8  *eop,
+                                      u8  *sop,
+                                      u8  *fck,
+                                      u16 *exchange_id,
+                                      u16 *tmpl,
+                                      u32 *bytes_written,
+                                      u8  *sof,
+                                      u8  *eof,
+                                      u8  *ingress_port,
+                                      u8  *packet_err,
+                                      u8  *fcoe_err,
+                                      u8  *fcs_ok,
+                                      u8  *vlan_stripped,
+                                      u16 *vlan)
+{
+        cq_desc_dec((struct cq_desc *)desc_ptr, type,
+                    color, q_number, completed_index);
+        *eop = (desc_ptr->completed_index_eop_sop_prt &
+                CQ_FCP_RQ_DESC_FLAGS_EOP) ? 1 : 0;
+        *sop = (desc_ptr->completed_index_eop_sop_prt &
+                CQ_FCP_RQ_DESC_FLAGS_SOP) ? 1 : 0;
+        *ingress_port =
+                (desc_ptr->completed_index_eop_sop_prt &
+                 CQ_FCP_RQ_DESC_FLAGS_PRT) ? 1 : 0;
+        *exchange_id = desc_ptr->exchange_id;
+        *tmpl = desc_ptr->tmpl & CQ_FCP_RQ_DESC_TMPL_MASK;
+        *bytes_written =
+                desc_ptr->bytes_written & CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK;
+        *packet_err =
+                (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_PACKET_ERR_MASK) >>
+                CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT;
+        *vlan_stripped =
+                (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_VS_STRIPPED_MASK) >>
+                CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT;
+        *vlan = desc_ptr->vlan;
+        *sof = desc_ptr->sof;
+        *fck = desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FC_CRC_OK_MASK;
+        *fcoe_err = (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCOE_ERR_MASK) >>
+                CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT;
+        *eof = desc_ptr->eof;
+        *fcs_ok =
+                (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCS_OK_MASK) >>
+                CQ_FCP_RQ_DESC_FCS_OK_SHIFT;
+}
+
+struct cq_sgl_desc {
+        u16 exchange_id;
+        u16 q_number;
+        u32 active_burst_offset;
+        u32 tot_data_bytes;
+        u16 tmpl;
+        u8  sgl_err;
+        u8  type_color;
+};
+
+enum cq_sgl_err_types {
+        CQ_SGL_ERR_NO_ERROR = 0,
+        CQ_SGL_ERR_OVERFLOW,         /* data ran beyond end of SGL */
+        CQ_SGL_ERR_SGL_LCL_ADDR_ERR, /* sgl access to local vnic addr illegal*/
+        CQ_SGL_ERR_ADDR_RSP_ERR,     /* sgl address error */
+        CQ_SGL_ERR_DATA_RSP_ERR,     /* sgl data rsp error */
+        CQ_SGL_ERR_CNT_ZERO_ERR,     /* SGL count is 0 */
+        CQ_SGL_ERR_CNT_MAX_ERR,      /* SGL count is larger than supported */
+        CQ_SGL_ERR_ORDER_ERR,        /* frames recv on both ports, order err */
+        CQ_SGL_ERR_DATA_LCL_ADDR_ERR,/* sgl data buf to local vnic addr ill */
+        CQ_SGL_ERR_HOST_CQ_ERR,      /* host cq entry to local vnic addr ill */
+};
+
+#define CQ_SGL_SGL_ERR_MASK             0x1f
+#define CQ_SGL_TMPL_MASK                0x1f
+
+static inline void cq_sgl_desc_dec(struct cq_sgl_desc *desc_ptr,
+                                   u8  *type,
+                                   u8  *color,
+                                   u16 *q_number,
+                                   u16 *exchange_id,
+                                   u32 *active_burst_offset,
+                                   u32 *tot_data_bytes,
+                                   u16 *tmpl,
+                                   u8  *sgl_err)
+{
+        /* Cheat a little by assuming exchange_id is the same as completed
+           index */
+        cq_desc_dec((struct cq_desc *)desc_ptr, type, color, q_number,
+                    exchange_id);
+        *active_burst_offset = desc_ptr->active_burst_offset;
+        *tot_data_bytes = desc_ptr->tot_data_bytes;
+        *tmpl = desc_ptr->tmpl & CQ_SGL_TMPL_MASK;
+        *sgl_err = desc_ptr->sgl_err & CQ_SGL_SGL_ERR_MASK;
+}
+
+#endif /* _CQ_EXCH_DESC_H_ */
diff --git a/drivers/scsi/fnic/fcpio.h b/drivers/scsi/fnic/fcpio.h
new file mode 100644
index 000000000000..12d770d885c5
--- /dev/null
+++ b/drivers/scsi/fnic/fcpio.h
@@ -0,0 +1,780 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _FCPIO_H_
+#define _FCPIO_H_
+
+#include <linux/if_ether.h>
+
+/*
+ * This header file includes all of the data structures used for
+ * communication by the host driver to the fcp firmware.
+ */
+
+/*
+ * Exchange and sequence id space allocated to the host driver
+ */
+#define FCPIO_HOST_EXCH_RANGE_START         0x1000
+#define FCPIO_HOST_EXCH_RANGE_END           0x1fff
+#define FCPIO_HOST_SEQ_ID_RANGE_START       0x80
+#define FCPIO_HOST_SEQ_ID_RANGE_END         0xff
+
+/*
+ * Command entry type
+ */
+enum fcpio_type {
+        /*
+         * Initiator request types
+         */
+        FCPIO_ICMND_16 = 0x1,
+        FCPIO_ICMND_32,
+        FCPIO_ICMND_CMPL,
+        FCPIO_ITMF,
+        FCPIO_ITMF_CMPL,
+
+        /*
+         * Target request types
+         */
+        FCPIO_TCMND_16 = 0x11,
+        FCPIO_TCMND_32,
+        FCPIO_TDATA,
+        FCPIO_TXRDY,
+        FCPIO_TRSP,
+        FCPIO_TDRSP_CMPL,
+        FCPIO_TTMF,
+        FCPIO_TTMF_ACK,
+        FCPIO_TABORT,
+        FCPIO_TABORT_CMPL,
+
+        /*
+         * Misc request types
+         */
+        FCPIO_ACK = 0x20,
+        FCPIO_RESET,
+        FCPIO_RESET_CMPL,
+        FCPIO_FLOGI_REG,
+        FCPIO_FLOGI_REG_CMPL,
+        FCPIO_ECHO,
+        FCPIO_ECHO_CMPL,
+        FCPIO_LUNMAP_CHNG,
+        FCPIO_LUNMAP_REQ,
+        FCPIO_LUNMAP_REQ_CMPL,
+        FCPIO_FLOGI_FIP_REG,
+        FCPIO_FLOGI_FIP_REG_CMPL,
+};
+
+/*
+ * Header status codes from the firmware
+ */
+enum fcpio_status {
+        FCPIO_SUCCESS = 0,              /* request was successful */
+
+        /*
+         * If a request to the firmware is rejected, the original request
+         * header will be returned with the status set to one of the following:
+         */
+        FCPIO_INVALID_HEADER,    /* header contains invalid data */
+        FCPIO_OUT_OF_RESOURCE,   /* out of resources to complete request */
+        FCPIO_INVALID_PARAM,     /* some parameter in request is invalid */
+        FCPIO_REQ_NOT_SUPPORTED, /* request type is not supported */
+        FCPIO_IO_NOT_FOUND,      /* requested I/O was not found */
+
+        /*
+         * Once a request is processed, the firmware will usually return
+         * a cmpl message type.  In cases where errors occurred,
+         * the header status field would be filled in with one of the following:
+         */
+        FCPIO_ABORTED = 0x41,     /* request was aborted */
+        FCPIO_TIMEOUT,            /* request was timed out */
+        FCPIO_SGL_INVALID,        /* request was aborted due to sgl error */
+        FCPIO_MSS_INVALID,        /* request was aborted due to mss error */
+        FCPIO_DATA_CNT_MISMATCH,  /* recv/sent more/less data than exp. */
+        FCPIO_FW_ERR,             /* request was terminated due to fw error */
+        FCPIO_ITMF_REJECTED,      /* itmf req was rejected by remote node */
+        FCPIO_ITMF_FAILED,        /* itmf req was failed by remote node */
+        FCPIO_ITMF_INCORRECT_LUN, /* itmf req targeted incorrect LUN */
+        FCPIO_CMND_REJECTED,      /* request was invalid and rejected */
+        FCPIO_NO_PATH_AVAIL,      /* no paths to the lun was available */
+        FCPIO_PATH_FAILED,        /* i/o sent to current path failed */
+        FCPIO_LUNMAP_CHNG_PEND,   /* i/o rejected due to lunmap change */
+};
+
+/*
+ * The header command tag.  All host requests will use the "tag" field
+ * to mark commands with a unique tag.  When the firmware responds to
+ * a host request, it will copy the tag field into the response.
+ *
+ * The only firmware requests that will use the rx_id/ox_id fields instead
+ * of the tag field will be the target command and target task management
+ * requests.  These two requests do not have corresponding host requests
+ * since they come directly from the FC initiator on the network.
+ */
+struct fcpio_tag {
+        union {
+                u32 req_id;
+                struct {
+                        u16 rx_id;
+                        u16 ox_id;
+                } ex_id;
+        } u;
+};
+
+static inline void
+fcpio_tag_id_enc(struct fcpio_tag *tag, u32 id)
+{
+        tag->u.req_id = id;
+}
+
+static inline void
+fcpio_tag_id_dec(struct fcpio_tag *tag, u32 *id)
+{
+        *id = tag->u.req_id;
+}
+
+static inline void
+fcpio_tag_exid_enc(struct fcpio_tag *tag, u16 ox_id, u16 rx_id)
+{
+        tag->u.ex_id.rx_id = rx_id;
+        tag->u.ex_id.ox_id = ox_id;
+}
+
+static inline void
+fcpio_tag_exid_dec(struct fcpio_tag *tag, u16 *ox_id, u16 *rx_id)
+{
+        *rx_id = tag->u.ex_id.rx_id;
+        *ox_id = tag->u.ex_id.ox_id;
+}
+
+/*
+ * The header for an fcpio request, whether from the firmware or from the
+ * host driver
+ */
+struct fcpio_header {
+        u8            type;           /* enum fcpio_type */
+        u8            status;         /* header status entry */
+        u16           _resvd;         /* reserved */
+        struct fcpio_tag    tag;      /* header tag */
+};
+
+static inline void
+fcpio_header_enc(struct fcpio_header *hdr,
+                 u8 type, u8 status,
+                 struct fcpio_tag tag)
+{
+        hdr->type = type;
+        hdr->status = status;
+        hdr->_resvd = 0;
+        hdr->tag = tag;
+}
+
+static inline void
+fcpio_header_dec(struct fcpio_header *hdr,
+                 u8 *type, u8 *status,
+                 struct fcpio_tag *tag)
+{
+        *type = hdr->type;
+        *status = hdr->status;
+        *tag = hdr->tag;
+}
+
+#define CDB_16      16
+#define CDB_32      32
+#define LUN_ADDRESS 8
+
+/*
+ * fcpio_icmnd_16: host -> firmware request
+ *
+ * used for sending out an initiator SCSI 16-byte command
+ */
+struct fcpio_icmnd_16 {
+        u32       lunmap_id;            /* index into lunmap table */
+        u8        special_req_flags;    /* special exchange request flags */
+        u8        _resvd0[3];           /* reserved */
+        u32       sgl_cnt;              /* scatter-gather list count */
+        u32       sense_len;            /* sense buffer length */
+        u64       sgl_addr;             /* scatter-gather list addr */
+        u64       sense_addr;           /* sense buffer address */
+        u8        crn;                  /* SCSI Command Reference No. */
+        u8        pri_ta;               /* SCSI Priority and Task attribute */
+        u8        _resvd1;              /* reserved: should be 0 */
+        u8        flags;                /* command flags */
+        u8        scsi_cdb[CDB_16];     /* SCSI Cmnd Descriptor Block */
+        u32       data_len;             /* length of data expected */
+        u8        lun[LUN_ADDRESS];     /* FC vNIC only: LUN address */
+        u8        _resvd2;              /* reserved */
+        u8        d_id[3];              /* FC vNIC only: Target D_ID */
+        u16       mss;                  /* FC vNIC only: max burst */
+        u16       _resvd3;              /* reserved */
+        u32       r_a_tov;              /* FC vNIC only: Res. Alloc Timeout */
+        u32       e_d_tov;              /* FC vNIC only: Err Detect Timeout */
+};
+
+/*
+ * Special request flags
+ */
+#define FCPIO_ICMND_SRFLAG_RETRY 0x01   /* Enable Retry handling on exchange */
+
+/*
+ * Priority/Task Attribute settings
+ */
+#define FCPIO_ICMND_PTA_SIMPLE      0   /* simple task attribute */
+#define FCPIO_ICMND_PTA_HEADQ       1   /* head of queue task attribute */
+#define FCPIO_ICMND_PTA_ORDERED     2   /* ordered task attribute */
+#define FCPIO_ICMND_PTA_ACA         4   /* auto contingent allegiance */
+#define FCPIO_ICMND_PRI_SHIFT       3   /* priority field starts in bit 3 */
+
+/*
+ * Command flags
+ */
+#define FCPIO_ICMND_RDDATA      0x02    /* read data */
+#define FCPIO_ICMND_WRDATA      0x01    /* write data */
+
+/*
+ * fcpio_icmnd_32: host -> firmware request
+ *
+ * used for sending out an initiator SCSI 32-byte command
+ */
+struct fcpio_icmnd_32 {
+        u32   lunmap_id;              /* index into lunmap table */
+        u8    special_req_flags;      /* special exchange request flags */
+        u8    _resvd0[3];             /* reserved */
+        u32   sgl_cnt;                /* scatter-gather list count */
+        u32   sense_len;              /* sense buffer length */
+        u64   sgl_addr;               /* scatter-gather list addr */
+        u64   sense_addr;             /* sense buffer address */
+        u8    crn;                    /* SCSI Command Reference No. */
+        u8    pri_ta;                 /* SCSI Priority and Task attribute */
+        u8    _resvd1;                /* reserved: should be 0 */
+        u8    flags;                  /* command flags */
+        u8    scsi_cdb[CDB_32];       /* SCSI Cmnd Descriptor Block */
+        u32   data_len;               /* length of data expected */
+        u8    lun[LUN_ADDRESS];       /* FC vNIC only: LUN address */
+        u8    _resvd2;                /* reserved */
+        u8    d_id[3];                /* FC vNIC only: Target D_ID */
+        u16   mss;                    /* FC vNIC only: max burst */
+        u16   _resvd3;                /* reserved */
+        u32   r_a_tov;                /* FC vNIC only: Res. Alloc Timeout */
+        u32   e_d_tov;                /* FC vNIC only: Error Detect Timeout */
+};
+
+/*
+ * fcpio_itmf: host -> firmware request
+ *
+ * used for requesting the firmware to abort a request and/or send out
+ * a task management function
+ *
+ * The t_tag field is only needed when the request type is ABT_TASK.
+ */
+struct fcpio_itmf {
+        u32   lunmap_id;              /* index into lunmap table */
+        u32   tm_req;                 /* SCSI Task Management request */
+        u32   t_tag;                  /* header tag of fcpio to be aborted */
+        u32   _resvd;                 /* _reserved */
+        u8    lun[LUN_ADDRESS];       /* FC vNIC only: LUN address */
+        u8    _resvd1;                /* reserved */
+        u8    d_id[3];                /* FC vNIC only: Target D_ID */
+        u32   r_a_tov;                /* FC vNIC only: R_A_TOV in msec */
+        u32   e_d_tov;                /* FC vNIC only: E_D_TOV in msec */
+};
+
+/*
+ * Task Management request
+ */
+enum fcpio_itmf_tm_req_type {
+        FCPIO_ITMF_ABT_TASK_TERM = 0x01,    /* abort task and terminate */
+        FCPIO_ITMF_ABT_TASK,                /* abort task and issue abts */
+        FCPIO_ITMF_ABT_TASK_SET,            /* abort task set */
+        FCPIO_ITMF_CLR_TASK_SET,            /* clear task set */
+        FCPIO_ITMF_LUN_RESET,               /* logical unit reset task mgmt */
+        FCPIO_ITMF_CLR_ACA,                 /* Clear ACA condition */
+};
+
+/*
+ * fcpio_tdata: host -> firmware request
+ *
+ * used for requesting the firmware to send out a read data transfer for a
+ * target command
+ */
+struct fcpio_tdata {
+        u16   rx_id;                  /* FC rx_id of target command */
+        u16   flags;                  /* command flags */
+        u32   rel_offset;             /* data sequence relative offset */
+        u32   sgl_cnt;                /* scatter-gather list count */
+        u32   data_len;               /* length of data expected to send */
+        u64   sgl_addr;               /* scatter-gather list address */
+};
+
+/*
+ * Command flags
+ */
+#define FCPIO_TDATA_SCSI_RSP    0x01    /* send a scsi resp. after last frame */
+
+/*
+ * fcpio_txrdy: host -> firmware request
+ *
+ * used for requesting the firmware to send out a write data transfer for a
+ * target command
+ */
+struct fcpio_txrdy {
+        u16   rx_id;                  /* FC rx_id of target command */
+        u16   _resvd0;                /* reserved */
+        u32   rel_offset;             /* data sequence relative offset */
+        u32   sgl_cnt;                /* scatter-gather list count */
+        u32   data_len;               /* length of data expected to send */
+        u64   sgl_addr;               /* scatter-gather list address */
+};
+
+/*
+ * fcpio_trsp: host -> firmware request
+ *
+ * used for requesting the firmware to send out a response for a target
+ * command
+ */
+struct fcpio_trsp {
+        u16   rx_id;                  /* FC rx_id of target command */
+        u16   _resvd0;                /* reserved */
+        u32   sense_len;              /* sense data buffer length */
+        u64   sense_addr;             /* sense data buffer address */
+        u16   _resvd1;                /* reserved */
+        u8    flags;                  /* response request flags */
+        u8    scsi_status;            /* SCSI status */
+        u32   residual;               /* SCSI data residual value of I/O */
+};
+
+/*
+ * resposnse request flags
+ */
+#define FCPIO_TRSP_RESID_UNDER  0x08   /* residual is valid and is underflow */
+#define FCPIO_TRSP_RESID_OVER   0x04   /* residual is valid and is overflow */
+
+/*
+ * fcpio_ttmf_ack: host -> firmware response
+ *
+ * used by the host to indicate to the firmware it has received and processed
+ * the target tmf request
+ */
+struct fcpio_ttmf_ack {
+        u16   rx_id;                  /* FC rx_id of target command */
+        u16   _resvd0;                /* reserved */
+        u32   tmf_status;             /* SCSI task management status */
+};
+
+/*
+ * fcpio_tabort: host -> firmware request
+ *
+ * used by the host to request the firmware to abort a target request that was
+ * received by the firmware
+ */
+struct fcpio_tabort {
+        u16   rx_id;                  /* rx_id of the target request */
+};
+
+/*
+ * fcpio_reset: host -> firmware request
+ *
+ * used by the host to signal a reset of the driver to the firmware
+ * and to request firmware to clean up all outstanding I/O
+ */
+struct fcpio_reset {
+        u32   _resvd;
+};
+
+enum fcpio_flogi_reg_format_type {
+        FCPIO_FLOGI_REG_DEF_DEST = 0,    /* Use the oui | s_id mac format */
+        FCPIO_FLOGI_REG_GW_DEST,         /* Use the fixed gateway mac */
+};
+
+/*
+ * fcpio_flogi_reg: host -> firmware request
+ *
+ * fc vnic only
+ * used by the host to notify the firmware of the lif's s_id
+ * and destination mac address format
+ */
+struct fcpio_flogi_reg {
+        u8 format;
+        u8 s_id[3];                     /* FC vNIC only: Source S_ID */
+        u8 gateway_mac[ETH_ALEN];       /* Destination gateway mac */
+        u16 _resvd;
+        u32 r_a_tov;                    /* R_A_TOV in msec */
+        u32 e_d_tov;                    /* E_D_TOV in msec */
+};
+
+/*
+ * fcpio_echo: host -> firmware request
+ *
+ * sends a heartbeat echo request to the firmware
+ */
+struct fcpio_echo {
+        u32 _resvd;
+};
+
+/*
+ * fcpio_lunmap_req: host -> firmware request
+ *
+ * scsi vnic only
+ * sends a request to retrieve the lunmap table for scsi vnics
+ */
+struct fcpio_lunmap_req {
+        u64 addr;                     /* address of the buffer */
+        u32 len;                      /* len of the buffer */
+};
+
+/*
+ * fcpio_flogi_fip_reg: host -> firmware request
+ *
+ * fc vnic only
+ * used by the host to notify the firmware of the lif's s_id
+ * and destination mac address format
+ */
+struct fcpio_flogi_fip_reg {
+        u8    _resvd0;
+        u8     s_id[3];               /* FC vNIC only: Source S_ID */
+        u8     fcf_mac[ETH_ALEN];     /* FCF Target destination mac */
+        u16   _resvd1;
+        u32   r_a_tov;                /* R_A_TOV in msec */
+        u32   e_d_tov;                /* E_D_TOV in msec */
+        u8    ha_mac[ETH_ALEN];       /* Host adapter source mac */
+        u16   _resvd2;
+};
+
+/*
+ * Basic structure for all fcpio structures that are sent from the host to the
+ * firmware.  They are 128 bytes per structure.
+ */
+#define FCPIO_HOST_REQ_LEN      128     /* expected length of host requests */
+
+struct fcpio_host_req {
+        struct fcpio_header hdr;
+
+        union {
+                /*
+                 * Defines space needed for request
+                 */
+                u8 buf[FCPIO_HOST_REQ_LEN - sizeof(struct fcpio_header)];
+
+                /*
+                 * Initiator host requests
+                 */
+                struct fcpio_icmnd_16               icmnd_16;
+                struct fcpio_icmnd_32               icmnd_32;
+                struct fcpio_itmf                   itmf;
+
+                /*
+                 * Target host requests
+                 */
+                struct fcpio_tdata                  tdata;
+                struct fcpio_txrdy                  txrdy;
+                struct fcpio_trsp                   trsp;
+                struct fcpio_ttmf_ack               ttmf_ack;
+                struct fcpio_tabort                 tabort;
+
+                /*
+                 * Misc requests
+                 */
+                struct fcpio_reset                  reset;
+                struct fcpio_flogi_reg              flogi_reg;
+                struct fcpio_echo                   echo;
+                struct fcpio_lunmap_req             lunmap_req;
+                struct fcpio_flogi_fip_reg          flogi_fip_reg;
+        } u;
+};
+
+/*
+ * fcpio_icmnd_cmpl: firmware -> host response
+ *
+ * used for sending the host a response to an initiator command
+ */
+struct fcpio_icmnd_cmpl {
+        u8    _resvd0[6];             /* reserved */
+        u8    flags;                  /* response flags */
+        u8    scsi_status;            /* SCSI status */
+        u32   residual;               /* SCSI data residual length */
+        u32   sense_len;              /* SCSI sense length */
+};
+
+/*
+ * response flags
+ */
+#define FCPIO_ICMND_CMPL_RESID_UNDER    0x08    /* resid under and valid */
+#define FCPIO_ICMND_CMPL_RESID_OVER     0x04    /* resid over and valid */
+
+/*
+ * fcpio_itmf_cmpl: firmware -> host response
+ *
+ * used for sending the host a response for a itmf request
+ */
+struct fcpio_itmf_cmpl {
+        u32    _resvd;                /* reserved */
+};
+
+/*
+ * fcpio_tcmnd_16: firmware -> host request
+ *
+ * used by the firmware to notify the host of an incoming target SCSI 16-Byte
+ * request
+ */
+struct fcpio_tcmnd_16 {
+        u8    lun[LUN_ADDRESS];       /* FC vNIC only: LUN address */
+        u8    crn;                    /* SCSI Command Reference No. */
+        u8    pri_ta;                 /* SCSI Priority and Task attribute */
+        u8    _resvd2;                /* reserved: should be 0 */
+        u8    flags;                  /* command flags */
+        u8    scsi_cdb[CDB_16];       /* SCSI Cmnd Descriptor Block */
+        u32   data_len;               /* length of data expected */
+        u8    _resvd1;                /* reserved */
+        u8    s_id[3];                /* FC vNIC only: Source S_ID */
+};
+
+/*
+ * Priority/Task Attribute settings
+ */
+#define FCPIO_TCMND_PTA_SIMPLE      0   /* simple task attribute */
+#define FCPIO_TCMND_PTA_HEADQ       1   /* head of queue task attribute */
+#define FCPIO_TCMND_PTA_ORDERED     2   /* ordered task attribute */
+#define FCPIO_TCMND_PTA_ACA         4   /* auto contingent allegiance */
+#define FCPIO_TCMND_PRI_SHIFT       3   /* priority field starts in bit 3 */
+
+/*
+ * Command flags
+ */
+#define FCPIO_TCMND_RDDATA      0x02    /* read data */
+#define FCPIO_TCMND_WRDATA      0x01    /* write data */
+
+/*
+ * fcpio_tcmnd_32: firmware -> host request
+ *
+ * used by the firmware to notify the host of an incoming target SCSI 32-Byte
+ * request
+ */
+struct fcpio_tcmnd_32 {
+        u8    lun[LUN_ADDRESS];       /* FC vNIC only: LUN address */
+        u8    crn;                    /* SCSI Command Reference No. */
+        u8    pri_ta;                 /* SCSI Priority and Task attribute */
+        u8    _resvd2;                /* reserved: should be 0 */
+        u8    flags;                  /* command flags */
+        u8    scsi_cdb[CDB_32];       /* SCSI Cmnd Descriptor Block */
+        u32   data_len;               /* length of data expected */
+        u8    _resvd0;                /* reserved */
+        u8    s_id[3];                /* FC vNIC only: Source S_ID */
+};
+
+/*
+ * fcpio_tdrsp_cmpl: firmware -> host response
+ *
+ * used by the firmware to notify the host of a response to a host target
+ * command
+ */
+struct fcpio_tdrsp_cmpl {
+        u16   rx_id;                  /* rx_id of the target request */
+        u16   _resvd0;                /* reserved */
+};
+
+/*
+ * fcpio_ttmf: firmware -> host request
+ *
+ * used by the firmware to notify the host of an incoming task management
+ * function request
+ */
+struct fcpio_ttmf {
+        u8    _resvd0;                /* reserved */
+        u8    s_id[3];                /* FC vNIC only: Source S_ID */
+        u8    lun[LUN_ADDRESS];       /* FC vNIC only: LUN address */
+        u8    crn;                    /* SCSI Command Reference No. */
+        u8    _resvd2[3];             /* reserved */
+        u32   tmf_type;               /* task management request type */
+};
+
+/*
+ * Task Management request
+ */
+#define FCPIO_TTMF_CLR_ACA      0x40    /* Clear ACA condition */
+#define FCPIO_TTMF_LUN_RESET    0x10    /* logical unit reset task mgmt */
+#define FCPIO_TTMF_CLR_TASK_SET 0x04    /* clear task set */
+#define FCPIO_TTMF_ABT_TASK_SET 0x02    /* abort task set */
+#define FCPIO_TTMF_ABT_TASK     0x01    /* abort task */
+
+/*
+ * fcpio_tabort_cmpl: firmware -> host response
+ *
+ * used by the firmware to respond to a host's tabort request
+ */
+struct fcpio_tabort_cmpl {
+        u16   rx_id;                  /* rx_id of the target request */
+        u16   _resvd0;                /* reserved */
+};
+
+/*
+ * fcpio_ack: firmware -> host response
+ *
+ * used by firmware to notify the host of the last work request received
+ */
+struct fcpio_ack {
+        u16  request_out;             /* last host entry received */
+        u16  _resvd;
+};
+
+/*
+ * fcpio_reset_cmpl: firmware -> host response
+ *
+ * use by firmware to respond to the host's reset request
+ */
+struct fcpio_reset_cmpl {
+        u16   vnic_id;
+};
+
+/*
+ * fcpio_flogi_reg_cmpl: firmware -> host response
+ *
+ * fc vnic only
+ * response to the fcpio_flogi_reg request
+ */
+struct fcpio_flogi_reg_cmpl {
+        u32 _resvd;
+};
+
+/*
+ * fcpio_echo_cmpl: firmware -> host response
+ *
+ * response to the fcpio_echo request
+ */
+struct fcpio_echo_cmpl {
+        u32 _resvd;
+};
+
+/*
+ * fcpio_lunmap_chng: firmware -> host notification
+ *
+ * scsi vnic only
+ * notifies the host that the lunmap tables have changed
+ */
+struct fcpio_lunmap_chng {
+        u32 _resvd;
+};
+
+/*
+ * fcpio_lunmap_req_cmpl: firmware -> host response
+ *
+ * scsi vnic only
+ * response for lunmap table request from the host
+ */
+struct fcpio_lunmap_req_cmpl {
+        u32 _resvd;
+};
+
+/*
+ * Basic structure for all fcpio structures that are sent from the firmware to
+ * the host.  They are 64 bytes per structure.
+ */
+#define FCPIO_FW_REQ_LEN        64      /* expected length of fw requests */
+struct fcpio_fw_req {
+        struct fcpio_header hdr;
+
+        union {
+                /*
+                 * Defines space needed for request
+                 */
+                u8 buf[FCPIO_FW_REQ_LEN - sizeof(struct fcpio_header)];
+
+                /*
+                 * Initiator firmware responses
+                 */
+                struct fcpio_icmnd_cmpl         icmnd_cmpl;
+                struct fcpio_itmf_cmpl          itmf_cmpl;
+
+                /*
+                 * Target firmware new requests
+                 */
+                struct fcpio_tcmnd_16           tcmnd_16;
+                struct fcpio_tcmnd_32           tcmnd_32;
+
+                /*
+                 * Target firmware responses
+                 */
+                struct fcpio_tdrsp_cmpl         tdrsp_cmpl;
+                struct fcpio_ttmf               ttmf;
+                struct fcpio_tabort_cmpl        tabort_cmpl;
+
+                /*
+                 * Firmware response to work received
+                 */
+                struct fcpio_ack                ack;
+
+                /*
+                 * Misc requests
+                 */
+                struct fcpio_reset_cmpl         reset_cmpl;
+                struct fcpio_flogi_reg_cmpl     flogi_reg_cmpl;
+                struct fcpio_echo_cmpl          echo_cmpl;
+                struct fcpio_lunmap_chng        lunmap_chng;
+                struct fcpio_lunmap_req_cmpl    lunmap_req_cmpl;
+        } u;
+};
+
+/*
+ * Access routines to encode and decode the color bit, which is the most
+ * significant bit of the MSB of the structure
+ */
+static inline void fcpio_color_enc(struct fcpio_fw_req *fw_req, u8 color)
+{
+        u8 *c = ((u8 *) fw_req) + sizeof(struct fcpio_fw_req) - 1;
+
+        if (color)
+                *c |= 0x80;
+        else
+                *c &= ~0x80;
+}
+
+static inline void fcpio_color_dec(struct fcpio_fw_req *fw_req, u8 *color)
+{
+        u8 *c = ((u8 *) fw_req) + sizeof(struct fcpio_fw_req) - 1;
+
+        *color = *c >> 7;
+
+        /*
+         * Make sure color bit is read from desc *before* other fields
+         * are read from desc.  Hardware guarantees color bit is last
+         * bit (byte) written.  Adding the rmb() prevents the compiler
+         * and/or CPU from reordering the reads which would potentially
+         * result in reading stale values.
+         */
+
+        rmb();
+
+}
+
+/*
+ * Lunmap table entry for scsi vnics
+ */
+#define FCPIO_LUNMAP_TABLE_SIZE     256
+#define FCPIO_FLAGS_LUNMAP_VALID    0x80
+#define FCPIO_FLAGS_BOOT            0x01
+struct fcpio_lunmap_entry {
+        u8    bus;
+        u8    target;
+        u8    lun;
+        u8    path_cnt;
+        u16   flags;
+        u16   update_cnt;
+};
+
+struct fcpio_lunmap_tbl {
+        u32                   update_cnt;
+        struct fcpio_lunmap_entry   lunmaps[FCPIO_LUNMAP_TABLE_SIZE];
+};
+
+#endif /* _FCPIO_H_ */
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
new file mode 100644
index 000000000000..e4c0a3d7d87b
--- /dev/null
+++ b/drivers/scsi/fnic/fnic.h
@@ -0,0 +1,265 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _FNIC_H_
+#define _FNIC_H_
+
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/workqueue.h>
+#include <scsi/libfc.h>
+#include "fnic_io.h"
+#include "fnic_res.h"
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_wq_copy.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_scsi.h"
+
+#define DRV_NAME                "fnic"
+#define DRV_DESCRIPTION         "Cisco FCoE HBA Driver"
+#define DRV_VERSION             "1.0.0.1121"
+#define PFX                     DRV_NAME ": "
+#define DFX                     DRV_NAME "%d: "
+
+#define DESC_CLEAN_LOW_WATERMARK 8
+#define FNIC_MAX_IO_REQ         2048 /* scsi_cmnd tag map entries */
+#define FNIC_IO_LOCKS           64 /* IO locks: power of 2 */
+#define FNIC_DFLT_QUEUE_DEPTH   32
+#define FNIC_STATS_RATE_LIMIT   4 /* limit rate at which stats are pulled up */
+
+/*
+ * Tag bits used for special requests.
+ */
+#define BIT(nr)                 (1UL << (nr))
+#define FNIC_TAG_ABORT          BIT(30)         /* tag bit indicating abort */
+#define FNIC_TAG_DEV_RST        BIT(29)         /* indicates device reset */
+#define FNIC_TAG_MASK           (BIT(24) - 1)   /* mask for lookup */
+#define FNIC_NO_TAG             -1
+
+/*
+ * Usage of the scsi_cmnd scratchpad.
+ * These fields are locked by the hashed io_req_lock.
+ */
+#define CMD_SP(Cmnd)            ((Cmnd)->SCp.ptr)
+#define CMD_STATE(Cmnd)         ((Cmnd)->SCp.phase)
+#define CMD_ABTS_STATUS(Cmnd)   ((Cmnd)->SCp.Message)
+#define CMD_LR_STATUS(Cmnd)     ((Cmnd)->SCp.have_data_in)
+#define CMD_TAG(Cmnd)           ((Cmnd)->SCp.sent_command)
+
+#define FCPIO_INVALID_CODE 0x100 /* hdr_status value unused by firmware */
+
+#define FNIC_LUN_RESET_TIMEOUT       10000      /* mSec */
+#define FNIC_HOST_RESET_TIMEOUT      10000      /* mSec */
+#define FNIC_RMDEVICE_TIMEOUT        1000       /* mSec */
+#define FNIC_HOST_RESET_SETTLE_TIME  30         /* Sec */
+
+#define FNIC_MAX_FCP_TARGET     256
+
+extern unsigned int fnic_log_level;
+
+#define FNIC_MAIN_LOGGING 0x01
+#define FNIC_FCS_LOGGING 0x02
+#define FNIC_SCSI_LOGGING 0x04
+#define FNIC_ISR_LOGGING 0x08
+
+#define FNIC_CHECK_LOGGING(LEVEL, CMD)                          \
+do {                                                            \
+        if (unlikely(fnic_log_level & LEVEL))                   \
+                do {                                            \
+                        CMD;                                    \
+                } while (0);                                    \
+} while (0)
+
+#define FNIC_MAIN_DBG(kern_level, host, fmt, args...)           \
+        FNIC_CHECK_LOGGING(FNIC_MAIN_LOGGING,                   \
+                         shost_printk(kern_level, host, fmt, ##args);)
+
+#define FNIC_FCS_DBG(kern_level, host, fmt, args...)            \
+        FNIC_CHECK_LOGGING(FNIC_FCS_LOGGING,                    \
+                         shost_printk(kern_level, host, fmt, ##args);)
+
+#define FNIC_SCSI_DBG(kern_level, host, fmt, args...)           \
+        FNIC_CHECK_LOGGING(FNIC_SCSI_LOGGING,                   \
+                         shost_printk(kern_level, host, fmt, ##args);)
+
+#define FNIC_ISR_DBG(kern_level, host, fmt, args...)            \
+        FNIC_CHECK_LOGGING(FNIC_ISR_LOGGING,                    \
+                         shost_printk(kern_level, host, fmt, ##args);)
+
+extern const char *fnic_state_str[];
+
+enum fnic_intx_intr_index {
+        FNIC_INTX_WQ_RQ_COPYWQ,
+        FNIC_INTX_ERR,
+        FNIC_INTX_NOTIFY,
+        FNIC_INTX_INTR_MAX,
+};
+
+enum fnic_msix_intr_index {
+        FNIC_MSIX_RQ,
+        FNIC_MSIX_WQ,
+        FNIC_MSIX_WQ_COPY,
+        FNIC_MSIX_ERR_NOTIFY,
+        FNIC_MSIX_INTR_MAX,
+};
+
+struct fnic_msix_entry {
+        int requested;
+        char devname[IFNAMSIZ];
+        irqreturn_t (*isr)(int, void *);
+        void *devid;
+};
+
+enum fnic_state {
+        FNIC_IN_FC_MODE = 0,
+        FNIC_IN_FC_TRANS_ETH_MODE,
+        FNIC_IN_ETH_MODE,
+        FNIC_IN_ETH_TRANS_FC_MODE,
+};
+
+#define FNIC_WQ_COPY_MAX 1
+#define FNIC_WQ_MAX 1
+#define FNIC_RQ_MAX 1
+#define FNIC_CQ_MAX (FNIC_WQ_COPY_MAX + FNIC_WQ_MAX + FNIC_RQ_MAX)
+
+struct mempool;
+
+/* Per-instance private data structure */
+struct fnic {
+        struct fc_lport *lport;
+        struct vnic_dev_bar bar0;
+
+        struct msix_entry msix_entry[FNIC_MSIX_INTR_MAX];
+        struct fnic_msix_entry msix[FNIC_MSIX_INTR_MAX];
+
+        struct vnic_stats *stats;
+        unsigned long stats_time;       /* time of stats update */
+        struct vnic_nic_cfg *nic_cfg;
+        char name[IFNAMSIZ];
+        struct timer_list notify_timer; /* used for MSI interrupts */
+
+        unsigned int err_intr_offset;
+        unsigned int link_intr_offset;
+
+        unsigned int wq_count;
+        unsigned int cq_count;
+
+        u32 fcoui_mode:1;               /* use fcoui address*/
+        u32 vlan_hw_insert:1;           /* let hw insert the tag */
+        u32 in_remove:1;                /* fnic device in removal */
+        u32 stop_rx_link_events:1;      /* stop proc. rx frames, link events */
+
+        struct completion *remove_wait; /* device remove thread blocks */
+
+        struct fc_frame *flogi;
+        struct fc_frame *flogi_resp;
+        u16 flogi_oxid;
+        unsigned long s_id;
+        enum fnic_state state;
+        spinlock_t fnic_lock;
+
+        u16 vlan_id;                    /* VLAN tag including priority */
+        u8 mac_addr[ETH_ALEN];
+        u8 dest_addr[ETH_ALEN];
+        u8 data_src_addr[ETH_ALEN];
+        u64 fcp_input_bytes;            /* internal statistic */
+        u64 fcp_output_bytes;           /* internal statistic */
+        u32 link_down_cnt;
+        int link_status;
+
+        struct list_head list;
+        struct pci_dev *pdev;
+        struct vnic_fc_config config;
+        struct vnic_dev *vdev;
+        unsigned int raw_wq_count;
+        unsigned int wq_copy_count;
+        unsigned int rq_count;
+        int fw_ack_index[FNIC_WQ_COPY_MAX];
+        unsigned short fw_ack_recd[FNIC_WQ_COPY_MAX];
+        unsigned short wq_copy_desc_low[FNIC_WQ_COPY_MAX];
+        unsigned int intr_count;
+        u32 __iomem *legacy_pba;
+        struct fnic_host_tag *tags;
+        mempool_t *io_req_pool;
+        mempool_t *io_sgl_pool[FNIC_SGL_NUM_CACHES];
+        spinlock_t io_req_lock[FNIC_IO_LOCKS];  /* locks for scsi cmnds */
+
+        struct work_struct link_work;
+        struct work_struct frame_work;
+        struct sk_buff_head frame_queue;
+
+        /* copy work queue cache line section */
+        ____cacheline_aligned struct vnic_wq_copy wq_copy[FNIC_WQ_COPY_MAX];
+        /* completion queue cache line section */
+        ____cacheline_aligned struct vnic_cq cq[FNIC_CQ_MAX];
+
+        spinlock_t wq_copy_lock[FNIC_WQ_COPY_MAX];
+
+        /* work queue cache line section */
+        ____cacheline_aligned struct vnic_wq wq[FNIC_WQ_MAX];
+        spinlock_t wq_lock[FNIC_WQ_MAX];
+
+        /* receive queue cache line section */
+        ____cacheline_aligned struct vnic_rq rq[FNIC_RQ_MAX];
+
+        /* interrupt resource cache line section */
+        ____cacheline_aligned struct vnic_intr intr[FNIC_MSIX_INTR_MAX];
+};
+
+extern struct workqueue_struct *fnic_event_queue;
+extern struct device_attribute *fnic_attrs[];
+
+void fnic_clear_intr_mode(struct fnic *fnic);
+int fnic_set_intr_mode(struct fnic *fnic);
+void fnic_free_intr(struct fnic *fnic);
+int fnic_request_intr(struct fnic *fnic);
+
+int fnic_send(struct fc_lport *, struct fc_frame *);
+void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf);
+void fnic_handle_frame(struct work_struct *work);
+void fnic_handle_link(struct work_struct *work);
+int fnic_rq_cmpl_handler(struct fnic *fnic, int);
+int fnic_alloc_rq_frame(struct vnic_rq *rq);
+void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf);
+int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp);
+
+int fnic_queuecommand(struct scsi_cmnd *, void (*done)(struct scsi_cmnd *));
+int fnic_abort_cmd(struct scsi_cmnd *);
+int fnic_device_reset(struct scsi_cmnd *);
+int fnic_host_reset(struct scsi_cmnd *);
+int fnic_reset(struct Scsi_Host *);
+void fnic_scsi_cleanup(struct fc_lport *);
+void fnic_scsi_abort_io(struct fc_lport *);
+void fnic_empty_scsi_cleanup(struct fc_lport *);
+void fnic_exch_mgr_reset(struct fc_lport *, u32, u32);
+int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int);
+int fnic_wq_cmpl_handler(struct fnic *fnic, int);
+int fnic_flogi_reg_handler(struct fnic *fnic);
+void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
+                                  struct fcpio_host_req *desc);
+int fnic_fw_reset_handler(struct fnic *fnic);
+void fnic_terminate_rport_io(struct fc_rport *);
+const char *fnic_state_to_str(unsigned int state);
+
+void fnic_log_q_error(struct fnic *fnic);
+void fnic_handle_link_event(struct fnic *fnic);
+
+#endif /* _FNIC_H_ */
diff --git a/drivers/scsi/fnic/fnic_attrs.c b/drivers/scsi/fnic/fnic_attrs.c
new file mode 100644
index 000000000000..aea0c3becfd4
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_attrs.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/string.h>
+#include <linux/device.h>
+#include <scsi/scsi_host.h>
+#include "fnic.h"
+
+static ssize_t fnic_show_state(struct device *dev,
+                               struct device_attribute *attr, char *buf)
+{
+        struct fc_lport *lp = shost_priv(class_to_shost(dev));
+        struct fnic *fnic = lport_priv(lp);
+
+        return snprintf(buf, PAGE_SIZE, "%s\n", fnic_state_str[fnic->state]);
+}
+
+static ssize_t fnic_show_drv_version(struct device *dev,
+                                     struct device_attribute *attr, char *buf)
+{
+        return snprintf(buf, PAGE_SIZE, "%s\n", DRV_VERSION);
+}
+
+static ssize_t fnic_show_link_state(struct device *dev,
+                                    struct device_attribute *attr, char *buf)
+{
+        struct fc_lport *lp = shost_priv(class_to_shost(dev));
+
+        return snprintf(buf, PAGE_SIZE, "%s\n", (lp->link_up)
+                        ? "Link Up" : "Link Down");
+}
+
+static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL);
+static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL);
+static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL);
+
+struct device_attribute *fnic_attrs[] = {
+        &dev_attr_fnic_state,
+        &dev_attr_drv_version,
+        &dev_attr_link_state,
+        NULL,
+};
diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c
new file mode 100644
index 000000000000..07e6eedb83ce
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_fcs.c
@@ -0,0 +1,742 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/skbuff.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/workqueue.h>
+#include <scsi/fc/fc_els.h>
+#include <scsi/fc/fc_fcoe.h>
+#include <scsi/fc_frame.h>
+#include <scsi/libfc.h>
+#include "fnic_io.h"
+#include "fnic.h"
+#include "cq_enet_desc.h"
+#include "cq_exch_desc.h"
+
+struct workqueue_struct *fnic_event_queue;
+
+void fnic_handle_link(struct work_struct *work)
+{
+        struct fnic *fnic = container_of(work, struct fnic, link_work);
+        unsigned long flags;
+        int old_link_status;
+        u32 old_link_down_cnt;
+
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+        if (fnic->stop_rx_link_events) {
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                return;
+        }
+
+        old_link_down_cnt = fnic->link_down_cnt;
+        old_link_status = fnic->link_status;
+        fnic->link_status = vnic_dev_link_status(fnic->vdev);
+        fnic->link_down_cnt = vnic_dev_link_down_cnt(fnic->vdev);
+
+        if (old_link_status == fnic->link_status) {
+                if (!fnic->link_status)
+                        /* DOWN -> DOWN */
+                        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                else {
+                        if (old_link_down_cnt != fnic->link_down_cnt) {
+                                /* UP -> DOWN -> UP */
+                                fnic->lport->host_stats.link_failure_count++;
+                                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                                FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+                                             "link down\n");
+                                fc_linkdown(fnic->lport);
+                                FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+                                             "link up\n");
+                                fc_linkup(fnic->lport);
+                        } else
+                                /* UP -> UP */
+                                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                }
+        } else if (fnic->link_status) {
+                /* DOWN -> UP */
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "link up\n");
+                fc_linkup(fnic->lport);
+        } else {
+                /* UP -> DOWN */
+                fnic->lport->host_stats.link_failure_count++;
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "link down\n");
+                fc_linkdown(fnic->lport);
+        }
+
+}
+
+/*
+ * This function passes incoming fabric frames to libFC
+ */
+void fnic_handle_frame(struct work_struct *work)
+{
+        struct fnic *fnic = container_of(work, struct fnic, frame_work);
+        struct fc_lport *lp = fnic->lport;
+        unsigned long flags;
+        struct sk_buff *skb;
+        struct fc_frame *fp;
+
+        while ((skb = skb_dequeue(&fnic->frame_queue))) {
+
+                spin_lock_irqsave(&fnic->fnic_lock, flags);
+                if (fnic->stop_rx_link_events) {
+                        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                        dev_kfree_skb(skb);
+                        return;
+                }
+                fp = (struct fc_frame *)skb;
+                /* if Flogi resp frame, register the address */
+                if (fr_flags(fp)) {
+                        vnic_dev_add_addr(fnic->vdev,
+                                          fnic->data_src_addr);
+                        fr_flags(fp) = 0;
+                }
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+                fc_exch_recv(lp, lp->emp, fp);
+        }
+
+}
+
+static inline void fnic_import_rq_fc_frame(struct sk_buff *skb,
+                                           u32 len, u8 sof, u8 eof)
+{
+        struct fc_frame *fp = (struct fc_frame *)skb;
+
+        skb_trim(skb, len);
+        fr_eof(fp) = eof;
+        fr_sof(fp) = sof;
+}
+
+
+static inline int fnic_import_rq_eth_pkt(struct sk_buff *skb, u32 len)
+{
+        struct fc_frame *fp;
+        struct ethhdr *eh;
+        struct vlan_ethhdr *vh;
+        struct fcoe_hdr *fcoe_hdr;
+        struct fcoe_crc_eof *ft;
+        u32    transport_len = 0;
+
+        eh = (struct ethhdr *)skb->data;
+        vh = (struct vlan_ethhdr *)skb->data;
+        if (vh->h_vlan_proto == htons(ETH_P_8021Q) &&
+            vh->h_vlan_encapsulated_proto == htons(ETH_P_FCOE)) {
+                skb_pull(skb, sizeof(struct vlan_ethhdr));
+                transport_len += sizeof(struct vlan_ethhdr);
+        } else if (eh->h_proto == htons(ETH_P_FCOE)) {
+                transport_len += sizeof(struct ethhdr);
+                skb_pull(skb, sizeof(struct ethhdr));
+        } else
+                return -1;
+
+        fcoe_hdr = (struct fcoe_hdr *)skb->data;
+        if (FC_FCOE_DECAPS_VER(fcoe_hdr) != FC_FCOE_VER)
+                return -1;
+
+        fp = (struct fc_frame *)skb;
+        fc_frame_init(fp);
+        fr_sof(fp) = fcoe_hdr->fcoe_sof;
+        skb_pull(skb, sizeof(struct fcoe_hdr));
+        transport_len += sizeof(struct fcoe_hdr);
+
+        ft = (struct fcoe_crc_eof *)(skb->data + len -
+                                     transport_len - sizeof(*ft));
+        fr_eof(fp) = ft->fcoe_eof;
+        skb_trim(skb, len - transport_len - sizeof(*ft));
+        return 0;
+}
+
+static inline int fnic_handle_flogi_resp(struct fnic *fnic,
+                                         struct fc_frame *fp)
+{
+        u8 mac[ETH_ALEN] = FC_FCOE_FLOGI_MAC;
+        struct ethhdr *eth_hdr;
+        struct fc_frame_header *fh;
+        int ret = 0;
+        unsigned long flags;
+        struct fc_frame *old_flogi_resp = NULL;
+
+        fh = (struct fc_frame_header *)fr_hdr(fp);
+
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+        if (fnic->state == FNIC_IN_ETH_MODE) {
+
+                /*
+                 * Check if oxid matches on taking the lock. A new Flogi
+                 * issued by libFC might have changed the fnic cached oxid
+                 */
+                if (fnic->flogi_oxid != ntohs(fh->fh_ox_id)) {
+                        FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+                                     "Flogi response oxid not"
+                                     " matching cached oxid, dropping frame"
+                                     "\n");
+                        ret = -1;
+                        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                        dev_kfree_skb_irq(fp_skb(fp));
+                        goto handle_flogi_resp_end;
+                }
+
+                /* Drop older cached flogi response frame, cache this frame */
+                old_flogi_resp = fnic->flogi_resp;
+                fnic->flogi_resp = fp;
+                fnic->flogi_oxid = FC_XID_UNKNOWN;
+
+                /*
+                 * this frame is part of flogi get the src mac addr from this
+                 * frame if the src mac is fcoui based then we mark the
+                 * address mode flag to use fcoui base for dst mac addr
+                 * otherwise we have to store the fcoe gateway addr
+                 */
+                eth_hdr = (struct ethhdr *)skb_mac_header(fp_skb(fp));
+                memcpy(mac, eth_hdr->h_source, ETH_ALEN);
+
+                if (ntoh24(mac) == FC_FCOE_OUI)
+                        fnic->fcoui_mode = 1;
+                else {
+                        fnic->fcoui_mode = 0;
+                        memcpy(fnic->dest_addr, mac, ETH_ALEN);
+                }
+
+                /*
+                 * Except for Flogi frame, all outbound frames from us have the
+                 * Eth Src address as FC_FCOE_OUI"our_sid". Flogi frame uses
+                 * the vnic MAC address as the Eth Src address
+                 */
+                fc_fcoe_set_mac(fnic->data_src_addr, fh->fh_d_id);
+
+                /* We get our s_id from the d_id of the flogi resp frame */
+                fnic->s_id = ntoh24(fh->fh_d_id);
+
+                /* Change state to reflect transition from Eth to FC mode */
+                fnic->state = FNIC_IN_ETH_TRANS_FC_MODE;
+
+        } else {
+                FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+                             "Unexpected fnic state %s while"
+                             " processing flogi resp\n",
+                             fnic_state_to_str(fnic->state));
+                ret = -1;
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                dev_kfree_skb_irq(fp_skb(fp));
+                goto handle_flogi_resp_end;
+        }
+
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+        /* Drop older cached frame */
+        if (old_flogi_resp)
+                dev_kfree_skb_irq(fp_skb(old_flogi_resp));
+
+        /*
+         * send flogi reg request to firmware, this will put the fnic in
+         * in FC mode
+         */
+        ret = fnic_flogi_reg_handler(fnic);
+
+        if (ret < 0) {
+                int free_fp = 1;
+                spin_lock_irqsave(&fnic->fnic_lock, flags);
+                /*
+                 * free the frame is some other thread is not
+                 * pointing to it
+                 */
+                if (fnic->flogi_resp != fp)
+                        free_fp = 0;
+                else
+                        fnic->flogi_resp = NULL;
+
+                if (fnic->state == FNIC_IN_ETH_TRANS_FC_MODE)
+                        fnic->state = FNIC_IN_ETH_MODE;
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                if (free_fp)
+                        dev_kfree_skb_irq(fp_skb(fp));
+        }
+
+ handle_flogi_resp_end:
+        return ret;
+}
+
+/* Returns 1 for a response that matches cached flogi oxid */
+static inline int is_matching_flogi_resp_frame(struct fnic *fnic,
+                                               struct fc_frame *fp)
+{
+        struct fc_frame_header *fh;
+        int ret = 0;
+        u32 f_ctl;
+
+        fh = fc_frame_header_get(fp);
+        f_ctl = ntoh24(fh->fh_f_ctl);
+
+        if (fnic->flogi_oxid == ntohs(fh->fh_ox_id) &&
+            fh->fh_r_ctl == FC_RCTL_ELS_REP &&
+            (f_ctl & (FC_FC_EX_CTX | FC_FC_SEQ_CTX)) == FC_FC_EX_CTX &&
+            fh->fh_type == FC_TYPE_ELS)
+                ret = 1;
+
+        return ret;
+}
+
+static void fnic_rq_cmpl_frame_recv(struct vnic_rq *rq, struct cq_desc
+                                    *cq_desc, struct vnic_rq_buf *buf,
+                                    int skipped __attribute__((unused)),
+                                    void *opaque)
+{
+        struct fnic *fnic = vnic_dev_priv(rq->vdev);
+        struct sk_buff *skb;
+        struct fc_frame *fp;
+        unsigned int eth_hdrs_stripped;
+        u8 type, color, eop, sop, ingress_port, vlan_stripped;
+        u8 fcoe = 0, fcoe_sof, fcoe_eof;
+        u8 fcoe_fc_crc_ok = 1, fcoe_enc_error = 0;
+        u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok;
+        u8 ipv6, ipv4, ipv4_fragment, rss_type, csum_not_calc;
+        u8 fcs_ok = 1, packet_error = 0;
+        u16 q_number, completed_index, bytes_written = 0, vlan, checksum;
+        u32 rss_hash;
+        u16 exchange_id, tmpl;
+        u8 sof = 0;
+        u8 eof = 0;
+        u32 fcp_bytes_written = 0;
+        unsigned long flags;
+
+        pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len,
+                         PCI_DMA_FROMDEVICE);
+        skb = buf->os_buf;
+        buf->os_buf = NULL;
+
+        cq_desc_dec(cq_desc, &type, &color, &q_number, &completed_index);
+        if (type == CQ_DESC_TYPE_RQ_FCP) {
+                cq_fcp_rq_desc_dec((struct cq_fcp_rq_desc *)cq_desc,
+                                   &type, &color, &q_number, &completed_index,
+                                   &eop, &sop, &fcoe_fc_crc_ok, &exchange_id,
+                                   &tmpl, &fcp_bytes_written, &sof, &eof,
+                                   &ingress_port, &packet_error,
+                                   &fcoe_enc_error, &fcs_ok, &vlan_stripped,
+                                   &vlan);
+                eth_hdrs_stripped = 1;
+
+        } else if (type == CQ_DESC_TYPE_RQ_ENET) {
+                cq_enet_rq_desc_dec((struct cq_enet_rq_desc *)cq_desc,
+                                    &type, &color, &q_number, &completed_index,
+                                    &ingress_port, &fcoe, &eop, &sop,
+                                    &rss_type, &csum_not_calc, &rss_hash,
+                                    &bytes_written, &packet_error,
+                                    &vlan_stripped, &vlan, &checksum,
+                                    &fcoe_sof, &fcoe_fc_crc_ok,
+                                    &fcoe_enc_error, &fcoe_eof,
+                                    &tcp_udp_csum_ok, &udp, &tcp,
+                                    &ipv4_csum_ok, &ipv6, &ipv4,
+                                    &ipv4_fragment, &fcs_ok);
+                eth_hdrs_stripped = 0;
+
+        } else {
+                /* wrong CQ type*/
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "fnic rq_cmpl wrong cq type x%x\n", type);
+                goto drop;
+        }
+
+        if (!fcs_ok || packet_error || !fcoe_fc_crc_ok || fcoe_enc_error) {
+                FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+                             "fnic rq_cmpl fcoe x%x fcsok x%x"
+                             " pkterr x%x fcoe_fc_crc_ok x%x, fcoe_enc_err"
+                             " x%x\n",
+                             fcoe, fcs_ok, packet_error,
+                             fcoe_fc_crc_ok, fcoe_enc_error);
+                goto drop;
+        }
+
+        if (eth_hdrs_stripped)
+                fnic_import_rq_fc_frame(skb, fcp_bytes_written, sof, eof);
+        else if (fnic_import_rq_eth_pkt(skb, bytes_written))
+                goto drop;
+
+        fp = (struct fc_frame *)skb;
+
+        /*
+         * If frame is an ELS response that matches the cached FLOGI OX_ID,
+         * and is accept, issue flogi_reg_request copy wq request to firmware
+         * to register the S_ID and determine whether FC_OUI mode or GW mode.
+         */
+        if (is_matching_flogi_resp_frame(fnic, fp)) {
+                if (!eth_hdrs_stripped) {
+                        if (fc_frame_payload_op(fp) == ELS_LS_ACC) {
+                                fnic_handle_flogi_resp(fnic, fp);
+                                return;
+                        }
+                        /*
+                         * Recd. Flogi reject. No point registering
+                         * with fw, but forward to libFC
+                         */
+                        goto forward;
+                }
+                goto drop;
+        }
+        if (!eth_hdrs_stripped)
+                goto drop;
+
+forward:
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+        if (fnic->stop_rx_link_events) {
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                goto drop;
+        }
+        /* Use fr_flags to indicate whether succ. flogi resp or not */
+        fr_flags(fp) = 0;
+        fr_dev(fp) = fnic->lport;
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+        skb_queue_tail(&fnic->frame_queue, skb);
+        queue_work(fnic_event_queue, &fnic->frame_work);
+
+        return;
+drop:
+        dev_kfree_skb_irq(skb);
+}
+
+static int fnic_rq_cmpl_handler_cont(struct vnic_dev *vdev,
+                                     struct cq_desc *cq_desc, u8 type,
+                                     u16 q_number, u16 completed_index,
+                                     void *opaque)
+{
+        struct fnic *fnic = vnic_dev_priv(vdev);
+
+        vnic_rq_service(&fnic->rq[q_number], cq_desc, completed_index,
+                        VNIC_RQ_RETURN_DESC, fnic_rq_cmpl_frame_recv,
+                        NULL);
+        return 0;
+}
+
+int fnic_rq_cmpl_handler(struct fnic *fnic, int rq_work_to_do)
+{
+        unsigned int tot_rq_work_done = 0, cur_work_done;
+        unsigned int i;
+        int err;
+
+        for (i = 0; i < fnic->rq_count; i++) {
+                cur_work_done = vnic_cq_service(&fnic->cq[i], rq_work_to_do,
+                                                fnic_rq_cmpl_handler_cont,
+                                                NULL);
+                if (cur_work_done) {
+                        err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
+                        if (err)
+                                shost_printk(KERN_ERR, fnic->lport->host,
+                                             "fnic_alloc_rq_frame cant alloc"
+                                             " frame\n");
+                }
+                tot_rq_work_done += cur_work_done;
+        }
+
+        return tot_rq_work_done;
+}
+
+/*
+ * This function is called once at init time to allocate and fill RQ
+ * buffers. Subsequently, it is called in the interrupt context after RQ
+ * buffer processing to replenish the buffers in the RQ
+ */
+int fnic_alloc_rq_frame(struct vnic_rq *rq)
+{
+        struct fnic *fnic = vnic_dev_priv(rq->vdev);
+        struct sk_buff *skb;
+        u16 len;
+        dma_addr_t pa;
+
+        len = FC_FRAME_HEADROOM + FC_MAX_FRAME + FC_FRAME_TAILROOM;
+        skb = dev_alloc_skb(len);
+        if (!skb) {
+                FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+                             "Unable to allocate RQ sk_buff\n");
+                return -ENOMEM;
+        }
+        skb_reset_mac_header(skb);
+        skb_reset_transport_header(skb);
+        skb_reset_network_header(skb);
+        skb_put(skb, len);
+        pa = pci_map_single(fnic->pdev, skb->data, len, PCI_DMA_FROMDEVICE);
+        fnic_queue_rq_desc(rq, skb, pa, len);
+        return 0;
+}
+
+void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf)
+{
+        struct fc_frame *fp = buf->os_buf;
+        struct fnic *fnic = vnic_dev_priv(rq->vdev);
+
+        pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len,
+                         PCI_DMA_FROMDEVICE);
+
+        dev_kfree_skb(fp_skb(fp));
+        buf->os_buf = NULL;
+}
+
+static inline int is_flogi_frame(struct fc_frame_header *fh)
+{
+        return fh->fh_r_ctl == FC_RCTL_ELS_REQ && *(u8 *)(fh + 1) == ELS_FLOGI;
+}
+
+int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp)
+{
+        struct vnic_wq *wq = &fnic->wq[0];
+        struct sk_buff *skb;
+        dma_addr_t pa;
+        struct ethhdr *eth_hdr;
+        struct vlan_ethhdr *vlan_hdr;
+        struct fcoe_hdr *fcoe_hdr;
+        struct fc_frame_header *fh;
+        u32 tot_len, eth_hdr_len;
+        int ret = 0;
+        unsigned long flags;
+
+        fh = fc_frame_header_get(fp);
+        skb = fp_skb(fp);
+
+        if (!fnic->vlan_hw_insert) {
+                eth_hdr_len = sizeof(*vlan_hdr) + sizeof(*fcoe_hdr);
+                vlan_hdr = (struct vlan_ethhdr *)skb_push(skb, eth_hdr_len);
+                eth_hdr = (struct ethhdr *)vlan_hdr;
+                vlan_hdr->h_vlan_proto = htons(ETH_P_8021Q);
+                vlan_hdr->h_vlan_encapsulated_proto = htons(ETH_P_FCOE);
+                vlan_hdr->h_vlan_TCI = htons(fnic->vlan_id);
+                fcoe_hdr = (struct fcoe_hdr *)(vlan_hdr + 1);
+        } else {
+                eth_hdr_len = sizeof(*eth_hdr) + sizeof(*fcoe_hdr);
+                eth_hdr = (struct ethhdr *)skb_push(skb, eth_hdr_len);
+                eth_hdr->h_proto = htons(ETH_P_FCOE);
+                fcoe_hdr = (struct fcoe_hdr *)(eth_hdr + 1);
+        }
+
+        if (is_flogi_frame(fh)) {
+                fc_fcoe_set_mac(eth_hdr->h_dest, fh->fh_d_id);
+                memcpy(eth_hdr->h_source, fnic->mac_addr, ETH_ALEN);
+        } else {
+                if (fnic->fcoui_mode)
+                        fc_fcoe_set_mac(eth_hdr->h_dest, fh->fh_d_id);
+                else
+                        memcpy(eth_hdr->h_dest, fnic->dest_addr, ETH_ALEN);
+                memcpy(eth_hdr->h_source, fnic->data_src_addr, ETH_ALEN);
+        }
+
+        tot_len = skb->len;
+        BUG_ON(tot_len % 4);
+
+        memset(fcoe_hdr, 0, sizeof(*fcoe_hdr));
+        fcoe_hdr->fcoe_sof = fr_sof(fp);
+        if (FC_FCOE_VER)
+                FC_FCOE_ENCAPS_VER(fcoe_hdr, FC_FCOE_VER);
+
+        pa = pci_map_single(fnic->pdev, eth_hdr, tot_len, PCI_DMA_TODEVICE);
+
+        spin_lock_irqsave(&fnic->wq_lock[0], flags);
+
+        if (!vnic_wq_desc_avail(wq)) {
+                pci_unmap_single(fnic->pdev, pa,
+                                 tot_len, PCI_DMA_TODEVICE);
+                ret = -1;
+                goto fnic_send_frame_end;
+        }
+
+        fnic_queue_wq_desc(wq, skb, pa, tot_len, fr_eof(fp),
+                           fnic->vlan_hw_insert, fnic->vlan_id, 1, 1, 1);
+fnic_send_frame_end:
+        spin_unlock_irqrestore(&fnic->wq_lock[0], flags);
+
+        if (ret)
+                dev_kfree_skb_any(fp_skb(fp));
+
+        return ret;
+}
+
+/*
+ * fnic_send
+ * Routine to send a raw frame
+ */
+int fnic_send(struct fc_lport *lp, struct fc_frame *fp)
+{
+        struct fnic *fnic = lport_priv(lp);
+        struct fc_frame_header *fh;
+        int ret = 0;
+        enum fnic_state old_state;
+        unsigned long flags;
+        struct fc_frame *old_flogi = NULL;
+        struct fc_frame *old_flogi_resp = NULL;
+
+        if (fnic->in_remove) {
+                dev_kfree_skb(fp_skb(fp));
+                ret = -1;
+                goto fnic_send_end;
+        }
+
+        fh = fc_frame_header_get(fp);
+        /* if not an Flogi frame, send it out, this is the common case */
+        if (!is_flogi_frame(fh))
+                return fnic_send_frame(fnic, fp);
+
+        /* Flogi frame, now enter the state machine */
+
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+again:
+        /* Get any old cached frames, free them after dropping lock */
+        old_flogi = fnic->flogi;
+        fnic->flogi = NULL;
+        old_flogi_resp = fnic->flogi_resp;
+        fnic->flogi_resp = NULL;
+
+        fnic->flogi_oxid = FC_XID_UNKNOWN;
+
+        old_state = fnic->state;
+        switch (old_state) {
+        case FNIC_IN_FC_MODE:
+        case FNIC_IN_ETH_TRANS_FC_MODE:
+        default:
+                fnic->state = FNIC_IN_FC_TRANS_ETH_MODE;
+                vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr);
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+                if (old_flogi) {
+                        dev_kfree_skb(fp_skb(old_flogi));
+                        old_flogi = NULL;
+                }
+                if (old_flogi_resp) {
+                        dev_kfree_skb(fp_skb(old_flogi_resp));
+                        old_flogi_resp = NULL;
+                }
+
+                ret = fnic_fw_reset_handler(fnic);
+
+                spin_lock_irqsave(&fnic->fnic_lock, flags);
+                if (fnic->state != FNIC_IN_FC_TRANS_ETH_MODE)
+                        goto again;
+                if (ret) {
+                        fnic->state = old_state;
+                        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                        dev_kfree_skb(fp_skb(fp));
+                        goto fnic_send_end;
+                }
+                old_flogi = fnic->flogi;
+                fnic->flogi = fp;
+                fnic->flogi_oxid = ntohs(fh->fh_ox_id);
+                old_flogi_resp = fnic->flogi_resp;
+                fnic->flogi_resp = NULL;
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                break;
+
+        case FNIC_IN_FC_TRANS_ETH_MODE:
+                /*
+                 * A reset is pending with the firmware. Store the flogi
+                 * and its oxid. The transition out of this state happens
+                 * only when Firmware completes the reset, either with
+                 * success or failed. If success, transition to
+                 * FNIC_IN_ETH_MODE, if fail, then transition to
+                 * FNIC_IN_FC_MODE
+                 */
+                fnic->flogi = fp;
+                fnic->flogi_oxid = ntohs(fh->fh_ox_id);
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                break;
+
+        case FNIC_IN_ETH_MODE:
+                /*
+                 * The fw/hw is already in eth mode. Store the oxid,
+                 * and send the flogi frame out. The transition out of this
+                 * state happens only we receive flogi response from the
+                 * network, and the oxid matches the cached oxid when the
+                 * flogi frame was sent out. If they match, then we issue
+                 * a flogi_reg request and transition to state
+                 * FNIC_IN_ETH_TRANS_FC_MODE
+                 */
+                fnic->flogi_oxid = ntohs(fh->fh_ox_id);
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                ret = fnic_send_frame(fnic, fp);
+                break;
+        }
+
+fnic_send_end:
+        if (old_flogi)
+                dev_kfree_skb(fp_skb(old_flogi));
+        if (old_flogi_resp)
+                dev_kfree_skb(fp_skb(old_flogi_resp));
+        return ret;
+}
+
+static void fnic_wq_complete_frame_send(struct vnic_wq *wq,
+                                        struct cq_desc *cq_desc,
+                                        struct vnic_wq_buf *buf, void *opaque)
+{
+        struct sk_buff *skb = buf->os_buf;
+        struct fc_frame *fp = (struct fc_frame *)skb;
+        struct fnic *fnic = vnic_dev_priv(wq->vdev);
+
+        pci_unmap_single(fnic->pdev, buf->dma_addr,
+                         buf->len, PCI_DMA_TODEVICE);
+        dev_kfree_skb_irq(fp_skb(fp));
+        buf->os_buf = NULL;
+}
+
+static int fnic_wq_cmpl_handler_cont(struct vnic_dev *vdev,
+                                     struct cq_desc *cq_desc, u8 type,
+                                     u16 q_number, u16 completed_index,
+                                     void *opaque)
+{
+        struct fnic *fnic = vnic_dev_priv(vdev);
+        unsigned long flags;
+
+        spin_lock_irqsave(&fnic->wq_lock[q_number], flags);
+        vnic_wq_service(&fnic->wq[q_number], cq_desc, completed_index,
+                        fnic_wq_complete_frame_send, NULL);
+        spin_unlock_irqrestore(&fnic->wq_lock[q_number], flags);
+
+        return 0;
+}
+
+int fnic_wq_cmpl_handler(struct fnic *fnic, int work_to_do)
+{
+        unsigned int wq_work_done = 0;
+        unsigned int i;
+
+        for (i = 0; i < fnic->raw_wq_count; i++) {
+                wq_work_done  += vnic_cq_service(&fnic->cq[fnic->rq_count+i],
+                                                 work_to_do,
+                                                 fnic_wq_cmpl_handler_cont,
+                                                 NULL);
+        }
+
+        return wq_work_done;
+}
+
+
+void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf)
+{
+        struct fc_frame *fp = buf->os_buf;
+        struct fnic *fnic = vnic_dev_priv(wq->vdev);
+
+        pci_unmap_single(fnic->pdev, buf->dma_addr,
+                         buf->len, PCI_DMA_TODEVICE);
+
+        dev_kfree_skb(fp_skb(fp));
+        buf->os_buf = NULL;
+}
diff --git a/drivers/scsi/fnic/fnic_io.h b/drivers/scsi/fnic/fnic_io.h
new file mode 100644
index 000000000000..f0b896988cd5
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_io.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _FNIC_IO_H_
+#define _FNIC_IO_H_
+
+#include <scsi/fc/fc_fcp.h>
+
+#define FNIC_DFLT_SG_DESC_CNT  32
+#define FNIC_MAX_SG_DESC_CNT        1024    /* Maximum descriptors per sgl */
+#define FNIC_SG_DESC_ALIGN          16      /* Descriptor address alignment */
+
+struct host_sg_desc {
+        __le64 addr;
+        __le32 len;
+        u32 _resvd;
+};
+
+struct fnic_dflt_sgl_list {
+        struct host_sg_desc sg_desc[FNIC_DFLT_SG_DESC_CNT];
+};
+
+struct fnic_sgl_list {
+        struct host_sg_desc sg_desc[FNIC_MAX_SG_DESC_CNT];
+};
+
+enum fnic_sgl_list_type {
+        FNIC_SGL_CACHE_DFLT = 0,  /* cache with default size sgl */
+        FNIC_SGL_CACHE_MAX,       /* cache with max size sgl */
+        FNIC_SGL_NUM_CACHES       /* number of sgl caches */
+};
+
+enum fnic_ioreq_state {
+        FNIC_IOREQ_CMD_PENDING = 0,
+        FNIC_IOREQ_ABTS_PENDING,
+        FNIC_IOREQ_ABTS_COMPLETE,
+        FNIC_IOREQ_CMD_COMPLETE,
+};
+
+struct fnic_io_req {
+        struct host_sg_desc *sgl_list; /* sgl list */
+        void *sgl_list_alloc; /* sgl list address used for free */
+        dma_addr_t sense_buf_pa; /* dma address for sense buffer*/
+        dma_addr_t sgl_list_pa; /* dma address for sgl list */
+        u16 sgl_cnt;
+        u8 sgl_type; /* device DMA descriptor list type */
+        u8 io_completed:1; /* set to 1 when fw completes IO */
+        u32 port_id; /* remote port DID */
+        struct completion *abts_done; /* completion for abts */
+        struct completion *dr_done; /* completion for device reset */
+};
+
+#endif /* _FNIC_IO_H_ */
diff --git a/drivers/scsi/fnic/fnic_isr.c b/drivers/scsi/fnic/fnic_isr.c
new file mode 100644
index 000000000000..2b3064828aea
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_isr.c
@@ -0,0 +1,332 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <scsi/libfc.h>
+#include <scsi/fc_frame.h>
+#include "vnic_dev.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "fnic_io.h"
+#include "fnic.h"
+
+static irqreturn_t fnic_isr_legacy(int irq, void *data)
+{
+        struct fnic *fnic = data;
+        u32 pba;
+        unsigned long work_done = 0;
+
+        pba = vnic_intr_legacy_pba(fnic->legacy_pba);
+        if (!pba)
+                return IRQ_NONE;
+
+        if (pba & (1 << FNIC_INTX_NOTIFY)) {
+                vnic_intr_return_all_credits(&fnic->intr[FNIC_INTX_NOTIFY]);
+                fnic_handle_link_event(fnic);
+        }
+
+        if (pba & (1 << FNIC_INTX_ERR)) {
+                vnic_intr_return_all_credits(&fnic->intr[FNIC_INTX_ERR]);
+                fnic_log_q_error(fnic);
+        }
+
+        if (pba & (1 << FNIC_INTX_WQ_RQ_COPYWQ)) {
+                work_done += fnic_wq_copy_cmpl_handler(fnic, 8);
+                work_done += fnic_wq_cmpl_handler(fnic, 4);
+                work_done += fnic_rq_cmpl_handler(fnic, 4);
+
+                vnic_intr_return_credits(&fnic->intr[FNIC_INTX_WQ_RQ_COPYWQ],
+                                         work_done,
+                                         1 /* unmask intr */,
+                                         1 /* reset intr timer */);
+        }
+
+        return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msi(int irq, void *data)
+{
+        struct fnic *fnic = data;
+        unsigned long work_done = 0;
+
+        work_done += fnic_wq_copy_cmpl_handler(fnic, 8);
+        work_done += fnic_wq_cmpl_handler(fnic, 4);
+        work_done += fnic_rq_cmpl_handler(fnic, 4);
+
+        vnic_intr_return_credits(&fnic->intr[0],
+                                 work_done,
+                                 1 /* unmask intr */,
+                                 1 /* reset intr timer */);
+
+        return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_rq(int irq, void *data)
+{
+        struct fnic *fnic = data;
+        unsigned long rq_work_done = 0;
+
+        rq_work_done = fnic_rq_cmpl_handler(fnic, 4);
+        vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_RQ],
+                                 rq_work_done,
+                                 1 /* unmask intr */,
+                                 1 /* reset intr timer */);
+
+        return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_wq(int irq, void *data)
+{
+        struct fnic *fnic = data;
+        unsigned long wq_work_done = 0;
+
+        wq_work_done = fnic_wq_cmpl_handler(fnic, 4);
+        vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_WQ],
+                                 wq_work_done,
+                                 1 /* unmask intr */,
+                                 1 /* reset intr timer */);
+        return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_wq_copy(int irq, void *data)
+{
+        struct fnic *fnic = data;
+        unsigned long wq_copy_work_done = 0;
+
+        wq_copy_work_done = fnic_wq_copy_cmpl_handler(fnic, 8);
+        vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_WQ_COPY],
+                                 wq_copy_work_done,
+                                 1 /* unmask intr */,
+                                 1 /* reset intr timer */);
+        return IRQ_HANDLED;
+}
+
+static irqreturn_t fnic_isr_msix_err_notify(int irq, void *data)
+{
+        struct fnic *fnic = data;
+
+        vnic_intr_return_all_credits(&fnic->intr[FNIC_MSIX_ERR_NOTIFY]);
+        fnic_log_q_error(fnic);
+        fnic_handle_link_event(fnic);
+
+        return IRQ_HANDLED;
+}
+
+void fnic_free_intr(struct fnic *fnic)
+{
+        int i;
+
+        switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+        case VNIC_DEV_INTR_MODE_INTX:
+        case VNIC_DEV_INTR_MODE_MSI:
+                free_irq(fnic->pdev->irq, fnic);
+                break;
+
+        case VNIC_DEV_INTR_MODE_MSIX:
+                for (i = 0; i < ARRAY_SIZE(fnic->msix); i++)
+                        if (fnic->msix[i].requested)
+                                free_irq(fnic->msix_entry[i].vector,
+                                         fnic->msix[i].devid);
+                break;
+
+        default:
+                break;
+        }
+}
+
+int fnic_request_intr(struct fnic *fnic)
+{
+        int err = 0;
+        int i;
+
+        switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+
+        case VNIC_DEV_INTR_MODE_INTX:
+                err = request_irq(fnic->pdev->irq, &fnic_isr_legacy,
+                                  IRQF_SHARED, DRV_NAME, fnic);
+                break;
+
+        case VNIC_DEV_INTR_MODE_MSI:
+                err = request_irq(fnic->pdev->irq, &fnic_isr_msi,
+                                  0, fnic->name, fnic);
+                break;
+
+        case VNIC_DEV_INTR_MODE_MSIX:
+
+                sprintf(fnic->msix[FNIC_MSIX_RQ].devname,
+                        "%.11s-fcs-rq", fnic->name);
+                fnic->msix[FNIC_MSIX_RQ].isr = fnic_isr_msix_rq;
+                fnic->msix[FNIC_MSIX_RQ].devid = fnic;
+
+                sprintf(fnic->msix[FNIC_MSIX_WQ].devname,
+                        "%.11s-fcs-wq", fnic->name);
+                fnic->msix[FNIC_MSIX_WQ].isr = fnic_isr_msix_wq;
+                fnic->msix[FNIC_MSIX_WQ].devid = fnic;
+
+                sprintf(fnic->msix[FNIC_MSIX_WQ_COPY].devname,
+                        "%.11s-scsi-wq", fnic->name);
+                fnic->msix[FNIC_MSIX_WQ_COPY].isr = fnic_isr_msix_wq_copy;
+                fnic->msix[FNIC_MSIX_WQ_COPY].devid = fnic;
+
+                sprintf(fnic->msix[FNIC_MSIX_ERR_NOTIFY].devname,
+                        "%.11s-err-notify", fnic->name);
+                fnic->msix[FNIC_MSIX_ERR_NOTIFY].isr =
+                        fnic_isr_msix_err_notify;
+                fnic->msix[FNIC_MSIX_ERR_NOTIFY].devid = fnic;
+
+                for (i = 0; i < ARRAY_SIZE(fnic->msix); i++) {
+                        err = request_irq(fnic->msix_entry[i].vector,
+                                          fnic->msix[i].isr, 0,
+                                          fnic->msix[i].devname,
+                                          fnic->msix[i].devid);
+                        if (err) {
+                                shost_printk(KERN_ERR, fnic->lport->host,
+                                             "MSIX: request_irq"
+                                             " failed %d\n", err);
+                                fnic_free_intr(fnic);
+                                break;
+                        }
+                        fnic->msix[i].requested = 1;
+                }
+                break;
+
+        default:
+                break;
+        }
+
+        return err;
+}
+
+int fnic_set_intr_mode(struct fnic *fnic)
+{
+        unsigned int n = ARRAY_SIZE(fnic->rq);
+        unsigned int m = ARRAY_SIZE(fnic->wq);
+        unsigned int o = ARRAY_SIZE(fnic->wq_copy);
+        unsigned int i;
+
+        /*
+         * Set interrupt mode (INTx, MSI, MSI-X) depending
+         * system capabilities.
+         *
+         * Try MSI-X first
+         *
+         * We need n RQs, m WQs, o Copy WQs, n+m+o CQs, and n+m+o+1 INTRs
+         * (last INTR is used for WQ/RQ errors and notification area)
+         */
+
+        BUG_ON(ARRAY_SIZE(fnic->msix_entry) < n + m + o + 1);
+        for (i = 0; i < n + m + o + 1; i++)
+                fnic->msix_entry[i].entry = i;
+
+        if (fnic->rq_count >= n &&
+            fnic->raw_wq_count >= m &&
+            fnic->wq_copy_count >= o &&
+            fnic->cq_count >= n + m + o) {
+                if (!pci_enable_msix(fnic->pdev, fnic->msix_entry,
+                                    n + m + o + 1)) {
+                        fnic->rq_count = n;
+                        fnic->raw_wq_count = m;
+                        fnic->wq_copy_count = o;
+                        fnic->wq_count = m + o;
+                        fnic->cq_count = n + m + o;
+                        fnic->intr_count = n + m + o + 1;
+                        fnic->err_intr_offset = FNIC_MSIX_ERR_NOTIFY;
+
+                        FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+                                     "Using MSI-X Interrupts\n");
+                        vnic_dev_set_intr_mode(fnic->vdev,
+                                               VNIC_DEV_INTR_MODE_MSIX);
+                        return 0;
+                }
+        }
+
+        /*
+         * Next try MSI
+         * We need 1 RQ, 1 WQ, 1 WQ_COPY, 3 CQs, and 1 INTR
+         */
+        if (fnic->rq_count >= 1 &&
+            fnic->raw_wq_count >= 1 &&
+            fnic->wq_copy_count >= 1 &&
+            fnic->cq_count >= 3 &&
+            fnic->intr_count >= 1 &&
+            !pci_enable_msi(fnic->pdev)) {
+
+                fnic->rq_count = 1;
+                fnic->raw_wq_count = 1;
+                fnic->wq_copy_count = 1;
+                fnic->wq_count = 2;
+                fnic->cq_count = 3;
+                fnic->intr_count = 1;
+                fnic->err_intr_offset = 0;
+
+                FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+                             "Using MSI Interrupts\n");
+                vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_MSI);
+
+                return 0;
+        }
+
+        /*
+         * Next try INTx
+         * We need 1 RQ, 1 WQ, 1 WQ_COPY, 3 CQs, and 3 INTRs
+         * 1 INTR is used for all 3 queues, 1 INTR for queue errors
+         * 1 INTR for notification area
+         */
+
+        if (fnic->rq_count >= 1 &&
+            fnic->raw_wq_count >= 1 &&
+            fnic->wq_copy_count >= 1 &&
+            fnic->cq_count >= 3 &&
+            fnic->intr_count >= 3) {
+
+                fnic->rq_count = 1;
+                fnic->raw_wq_count = 1;
+                fnic->wq_copy_count = 1;
+                fnic->cq_count = 3;
+                fnic->intr_count = 3;
+
+                FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+                             "Using Legacy Interrupts\n");
+                vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_INTX);
+
+                return 0;
+        }
+
+        vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_UNKNOWN);
+
+        return -EINVAL;
+}
+
+void fnic_clear_intr_mode(struct fnic *fnic)
+{
+        switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+        case VNIC_DEV_INTR_MODE_MSIX:
+                pci_disable_msix(fnic->pdev);
+                break;
+        case VNIC_DEV_INTR_MODE_MSI:
+                pci_disable_msi(fnic->pdev);
+                break;
+        default:
+                break;
+        }
+
+        vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_INTX);
+}
+
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
new file mode 100644
index 000000000000..32ef6b87d895
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -0,0 +1,942 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/module.h>
+#include <linux/mempool.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/skbuff.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_fc.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/libfc.h>
+#include <scsi/fc_frame.h>
+
+#include "vnic_dev.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "fnic_io.h"
+#include "fnic.h"
+
+#define PCI_DEVICE_ID_CISCO_FNIC        0x0045
+
+/* Timer to poll notification area for events. Used for MSI interrupts */
+#define FNIC_NOTIFY_TIMER_PERIOD        (2 * HZ)
+
+static struct kmem_cache *fnic_sgl_cache[FNIC_SGL_NUM_CACHES];
+static struct kmem_cache *fnic_io_req_cache;
+LIST_HEAD(fnic_list);
+DEFINE_SPINLOCK(fnic_list_lock);
+
+/* Supported devices by fnic module */
+static struct pci_device_id fnic_id_table[] = {
+        { PCI_DEVICE(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_FNIC) },
+        { 0, }
+};
+
+MODULE_DESCRIPTION(DRV_DESCRIPTION);
+MODULE_AUTHOR("Abhijeet Joglekar <abjoglek@cisco.com>, "
+              "Joseph R. Eykholt <jeykholt@cisco.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DEVICE_TABLE(pci, fnic_id_table);
+
+unsigned int fnic_log_level;
+module_param(fnic_log_level, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(fnic_log_level, "bit mask of fnic logging levels");
+
+
+static struct libfc_function_template fnic_transport_template = {
+        .frame_send = fnic_send,
+        .fcp_abort_io = fnic_empty_scsi_cleanup,
+        .fcp_cleanup = fnic_empty_scsi_cleanup,
+        .exch_mgr_reset = fnic_exch_mgr_reset
+};
+
+static int fnic_slave_alloc(struct scsi_device *sdev)
+{
+        struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
+        struct fc_lport *lp = shost_priv(sdev->host);
+        struct fnic *fnic = lport_priv(lp);
+
+        sdev->tagged_supported = 1;
+
+        if (!rport || fc_remote_port_chkready(rport))
+                return -ENXIO;
+
+        scsi_activate_tcq(sdev, FNIC_DFLT_QUEUE_DEPTH);
+        rport->dev_loss_tmo = fnic->config.port_down_timeout / 1000;
+
+        return 0;
+}
+
+static struct scsi_host_template fnic_host_template = {
+        .module = THIS_MODULE,
+        .name = DRV_NAME,
+        .queuecommand = fnic_queuecommand,
+        .eh_abort_handler = fnic_abort_cmd,
+        .eh_device_reset_handler = fnic_device_reset,
+        .eh_host_reset_handler = fnic_host_reset,
+        .slave_alloc = fnic_slave_alloc,
+        .change_queue_depth = fc_change_queue_depth,
+        .change_queue_type = fc_change_queue_type,
+        .this_id = -1,
+        .cmd_per_lun = 3,
+        .can_queue = FNIC_MAX_IO_REQ,
+        .use_clustering = ENABLE_CLUSTERING,
+        .sg_tablesize = FNIC_MAX_SG_DESC_CNT,
+        .max_sectors = 0xffff,
+        .shost_attrs = fnic_attrs,
+};
+
+static void fnic_get_host_speed(struct Scsi_Host *shost);
+static struct scsi_transport_template *fnic_fc_transport;
+static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *);
+
+static struct fc_function_template fnic_fc_functions = {
+
+        .show_host_node_name = 1,
+        .show_host_port_name = 1,
+        .show_host_supported_classes = 1,
+        .show_host_supported_fc4s = 1,
+        .show_host_active_fc4s = 1,
+        .show_host_maxframe_size = 1,
+        .show_host_port_id = 1,
+        .show_host_supported_speeds = 1,
+        .get_host_speed = fnic_get_host_speed,
+        .show_host_speed = 1,
+        .show_host_port_type = 1,
+        .get_host_port_state = fc_get_host_port_state,
+        .show_host_port_state = 1,
+        .show_host_symbolic_name = 1,
+        .show_rport_maxframe_size = 1,
+        .show_rport_supported_classes = 1,
+        .show_host_fabric_name = 1,
+        .show_starget_node_name = 1,
+        .show_starget_port_name = 1,
+        .show_starget_port_id = 1,
+        .show_rport_dev_loss_tmo = 1,
+        .issue_fc_host_lip = fnic_reset,
+        .get_fc_host_stats = fnic_get_stats,
+        .dd_fcrport_size = sizeof(struct fc_rport_libfc_priv),
+        .terminate_rport_io = fnic_terminate_rport_io,
+};
+
+static void fnic_get_host_speed(struct Scsi_Host *shost)
+{
+        struct fc_lport *lp = shost_priv(shost);
+        struct fnic *fnic = lport_priv(lp);
+        u32 port_speed = vnic_dev_port_speed(fnic->vdev);
+
+        /* Add in other values as they get defined in fw */
+        switch (port_speed) {
+        case 10000:
+                fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+                break;
+        default:
+                fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
+                break;
+        }
+}
+
+static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *host)
+{
+        int ret;
+        struct fc_lport *lp = shost_priv(host);
+        struct fnic *fnic = lport_priv(lp);
+        struct fc_host_statistics *stats = &lp->host_stats;
+        struct vnic_stats *vs;
+        unsigned long flags;
+
+        if (time_before(jiffies, fnic->stats_time + HZ / FNIC_STATS_RATE_LIMIT))
+                return stats;
+        fnic->stats_time = jiffies;
+
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+        ret = vnic_dev_stats_dump(fnic->vdev, &fnic->stats);
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+        if (ret) {
+                FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host,
+                              "fnic: Get vnic stats failed"
+                              " 0x%x", ret);
+                return stats;
+        }
+        vs = fnic->stats;
+        stats->tx_frames = vs->tx.tx_unicast_frames_ok;
+        stats->tx_words  = vs->tx.tx_unicast_bytes_ok / 4;
+        stats->rx_frames = vs->rx.rx_unicast_frames_ok;
+        stats->rx_words  = vs->rx.rx_unicast_bytes_ok / 4;
+        stats->error_frames = vs->tx.tx_errors + vs->rx.rx_errors;
+        stats->dumped_frames = vs->tx.tx_drops + vs->rx.rx_drop;
+        stats->invalid_crc_count = vs->rx.rx_crc_errors;
+        stats->seconds_since_last_reset = (jiffies - lp->boot_time) / HZ;
+        stats->fcp_input_megabytes = div_u64(fnic->fcp_input_bytes, 1000000);
+        stats->fcp_output_megabytes = div_u64(fnic->fcp_output_bytes, 1000000);
+
+        return stats;
+}
+
+void fnic_log_q_error(struct fnic *fnic)
+{
+        unsigned int i;
+        u32 error_status;
+
+        for (i = 0; i < fnic->raw_wq_count; i++) {
+                error_status = ioread32(&fnic->wq[i].ctrl->error_status);
+                if (error_status)
+                        shost_printk(KERN_ERR, fnic->lport->host,
+                                     "WQ[%d] error_status"
+                                     " %d\n", i, error_status);
+        }
+
+        for (i = 0; i < fnic->rq_count; i++) {
+                error_status = ioread32(&fnic->rq[i].ctrl->error_status);
+                if (error_status)
+                        shost_printk(KERN_ERR, fnic->lport->host,
+                                     "RQ[%d] error_status"
+                                     " %d\n", i, error_status);
+        }
+
+        for (i = 0; i < fnic->wq_copy_count; i++) {
+                error_status = ioread32(&fnic->wq_copy[i].ctrl->error_status);
+                if (error_status)
+                        shost_printk(KERN_ERR, fnic->lport->host,
+                                     "CWQ[%d] error_status"
+                                     " %d\n", i, error_status);
+        }
+}
+
+void fnic_handle_link_event(struct fnic *fnic)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+        if (fnic->stop_rx_link_events) {
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                return;
+        }
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+        queue_work(fnic_event_queue, &fnic->link_work);
+
+}
+
+static int fnic_notify_set(struct fnic *fnic)
+{
+        int err;
+
+        switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+        case VNIC_DEV_INTR_MODE_INTX:
+                err = vnic_dev_notify_set(fnic->vdev, FNIC_INTX_NOTIFY);
+                break;
+        case VNIC_DEV_INTR_MODE_MSI:
+                err = vnic_dev_notify_set(fnic->vdev, -1);
+                break;
+        case VNIC_DEV_INTR_MODE_MSIX:
+                err = vnic_dev_notify_set(fnic->vdev, FNIC_MSIX_ERR_NOTIFY);
+                break;
+        default:
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Interrupt mode should be set up"
+                             " before devcmd notify set %d\n",
+                             vnic_dev_get_intr_mode(fnic->vdev));
+                err = -1;
+                break;
+        }
+
+        return err;
+}
+
+static void fnic_notify_timer(unsigned long data)
+{
+        struct fnic *fnic = (struct fnic *)data;
+
+        fnic_handle_link_event(fnic);
+        mod_timer(&fnic->notify_timer,
+                  round_jiffies(jiffies + FNIC_NOTIFY_TIMER_PERIOD));
+}
+
+static void fnic_notify_timer_start(struct fnic *fnic)
+{
+        switch (vnic_dev_get_intr_mode(fnic->vdev)) {
+        case VNIC_DEV_INTR_MODE_MSI:
+                /*
+                 * Schedule first timeout immediately. The driver is
+                 * initiatialized and ready to look for link up notification
+                 */
+                mod_timer(&fnic->notify_timer, jiffies);
+                break;
+        default:
+                /* Using intr for notification for INTx/MSI-X */
+                break;
+        };
+}
+
+static int fnic_dev_wait(struct vnic_dev *vdev,
+                         int (*start)(struct vnic_dev *, int),
+                         int (*finished)(struct vnic_dev *, int *),
+                         int arg)
+{
+        unsigned long time;
+        int done;
+        int err;
+
+        err = start(vdev, arg);
+        if (err)
+                return err;
+
+        /* Wait for func to complete...2 seconds max */
+        time = jiffies + (HZ * 2);
+        do {
+                err = finished(vdev, &done);
+                if (err)
+                        return err;
+                if (done)
+                        return 0;
+                schedule_timeout_uninterruptible(HZ / 10);
+        } while (time_after(time, jiffies));
+
+        return -ETIMEDOUT;
+}
+
+static int fnic_cleanup(struct fnic *fnic)
+{
+        unsigned int i;
+        int err;
+        unsigned long flags;
+        struct fc_frame *flogi = NULL;
+        struct fc_frame *flogi_resp = NULL;
+
+        vnic_dev_disable(fnic->vdev);
+        for (i = 0; i < fnic->intr_count; i++)
+                vnic_intr_mask(&fnic->intr[i]);
+
+        for (i = 0; i < fnic->rq_count; i++) {
+                err = vnic_rq_disable(&fnic->rq[i]);
+                if (err)
+                        return err;
+        }
+        for (i = 0; i < fnic->raw_wq_count; i++) {
+                err = vnic_wq_disable(&fnic->wq[i]);
+                if (err)
+                        return err;
+        }
+        for (i = 0; i < fnic->wq_copy_count; i++) {
+                err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
+                if (err)
+                        return err;
+        }
+
+        /* Clean up completed IOs and FCS frames */
+        fnic_wq_copy_cmpl_handler(fnic, -1);
+        fnic_wq_cmpl_handler(fnic, -1);
+        fnic_rq_cmpl_handler(fnic, -1);
+
+        /* Clean up the IOs and FCS frames that have not completed */
+        for (i = 0; i < fnic->raw_wq_count; i++)
+                vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf);
+        for (i = 0; i < fnic->rq_count; i++)
+                vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
+        for (i = 0; i < fnic->wq_copy_count; i++)
+                vnic_wq_copy_clean(&fnic->wq_copy[i],
+                                   fnic_wq_copy_cleanup_handler);
+
+        for (i = 0; i < fnic->cq_count; i++)
+                vnic_cq_clean(&fnic->cq[i]);
+        for (i = 0; i < fnic->intr_count; i++)
+                vnic_intr_clean(&fnic->intr[i]);
+
+        /*
+         * Remove cached flogi and flogi resp frames if any
+         * These frames are not in any queue, and therefore queue
+         * cleanup does not clean them. So clean them explicitly
+         */
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+        flogi = fnic->flogi;
+        fnic->flogi = NULL;
+        flogi_resp = fnic->flogi_resp;
+        fnic->flogi_resp = NULL;
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+        if (flogi)
+                dev_kfree_skb(fp_skb(flogi));
+
+        if (flogi_resp)
+                dev_kfree_skb(fp_skb(flogi_resp));
+
+        mempool_destroy(fnic->io_req_pool);
+        for (i = 0; i < FNIC_SGL_NUM_CACHES; i++)
+                mempool_destroy(fnic->io_sgl_pool[i]);
+
+        return 0;
+}
+
+static void fnic_iounmap(struct fnic *fnic)
+{
+        if (fnic->bar0.vaddr)
+                iounmap(fnic->bar0.vaddr);
+}
+
+/*
+ * Allocate element for mempools requiring GFP_DMA flag.
+ * Otherwise, checks in kmem_flagcheck() hit BUG_ON().
+ */
+static void *fnic_alloc_slab_dma(gfp_t gfp_mask, void *pool_data)
+{
+        struct kmem_cache *mem = pool_data;
+
+        return kmem_cache_alloc(mem, gfp_mask | GFP_ATOMIC | GFP_DMA);
+}
+
+static int __devinit fnic_probe(struct pci_dev *pdev,
+                                const struct pci_device_id *ent)
+{
+        struct Scsi_Host *host;
+        struct fc_lport *lp;
+        struct fnic *fnic;
+        mempool_t *pool;
+        int err;
+        int i;
+        unsigned long flags;
+
+        /*
+         * Allocate SCSI Host and set up association between host,
+         * local port, and fnic
+         */
+        host = scsi_host_alloc(&fnic_host_template,
+                               sizeof(struct fc_lport) + sizeof(struct fnic));
+        if (!host) {
+                printk(KERN_ERR PFX "Unable to alloc SCSI host\n");
+                err = -ENOMEM;
+                goto err_out;
+        }
+        lp = shost_priv(host);
+        lp->host = host;
+        fnic = lport_priv(lp);
+        fnic->lport = lp;
+
+        snprintf(fnic->name, sizeof(fnic->name) - 1, "%s%d", DRV_NAME,
+                 host->host_no);
+
+        host->transportt = fnic_fc_transport;
+
+        err = scsi_init_shared_tag_map(host, FNIC_MAX_IO_REQ);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Unable to alloc shared tag map\n");
+                goto err_out_free_hba;
+        }
+
+        /* Setup PCI resources */
+        pci_set_drvdata(pdev, fnic);
+
+        fnic->pdev = pdev;
+
+        err = pci_enable_device(pdev);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Cannot enable PCI device, aborting.\n");
+                goto err_out_free_hba;
+        }
+
+        err = pci_request_regions(pdev, DRV_NAME);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Cannot enable PCI resources, aborting\n");
+                goto err_out_disable_device;
+        }
+
+        pci_set_master(pdev);
+
+        /* Query PCI controller on system for DMA addressing
+         * limitation for the device.  Try 40-bit first, and
+         * fail to 32-bit.
+         */
+        err = pci_set_dma_mask(pdev, DMA_40BIT_MASK);
+        if (err) {
+                err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+                if (err) {
+                        shost_printk(KERN_ERR, fnic->lport->host,
+                                     "No usable DMA configuration "
+                                     "aborting\n");
+                        goto err_out_release_regions;
+                }
+                err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+                if (err) {
+                        shost_printk(KERN_ERR, fnic->lport->host,
+                                     "Unable to obtain 32-bit DMA "
+                                     "for consistent allocations, aborting.\n");
+                        goto err_out_release_regions;
+                }
+        } else {
+                err = pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK);
+                if (err) {
+                        shost_printk(KERN_ERR, fnic->lport->host,
+                                     "Unable to obtain 40-bit DMA "
+                                     "for consistent allocations, aborting.\n");
+                        goto err_out_release_regions;
+                }
+        }
+
+        /* Map vNIC resources from BAR0 */
+        if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "BAR0 not memory-map'able, aborting.\n");
+                err = -ENODEV;
+                goto err_out_release_regions;
+        }
+
+        fnic->bar0.vaddr = pci_iomap(pdev, 0, 0);
+        fnic->bar0.bus_addr = pci_resource_start(pdev, 0);
+        fnic->bar0.len = pci_resource_len(pdev, 0);
+
+        if (!fnic->bar0.vaddr) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Cannot memory-map BAR0 res hdr, "
+                             "aborting.\n");
+                err = -ENODEV;
+                goto err_out_release_regions;
+        }
+
+        fnic->vdev = vnic_dev_register(NULL, fnic, pdev, &fnic->bar0);
+        if (!fnic->vdev) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "vNIC registration failed, "
+                             "aborting.\n");
+                err = -ENODEV;
+                goto err_out_iounmap;
+        }
+
+        err = fnic_dev_wait(fnic->vdev, vnic_dev_open,
+                            vnic_dev_open_done, 0);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "vNIC dev open failed, aborting.\n");
+                goto err_out_vnic_unregister;
+        }
+
+        err = vnic_dev_init(fnic->vdev, 0);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "vNIC dev init failed, aborting.\n");
+                goto err_out_dev_close;
+        }
+
+        err = vnic_dev_mac_addr(fnic->vdev, fnic->mac_addr);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "vNIC get MAC addr failed \n");
+                goto err_out_dev_close;
+        }
+
+        /* Get vNIC configuration */
+        err = fnic_get_vnic_config(fnic);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Get vNIC configuration failed, "
+                             "aborting.\n");
+                goto err_out_dev_close;
+        }
+        host->max_lun = fnic->config.luns_per_tgt;
+        host->max_id = FNIC_MAX_FCP_TARGET;
+
+        fnic_get_res_counts(fnic);
+
+        err = fnic_set_intr_mode(fnic);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Failed to set intr mode, "
+                             "aborting.\n");
+                goto err_out_dev_close;
+        }
+
+        err = fnic_request_intr(fnic);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Unable to request irq.\n");
+                goto err_out_clear_intr;
+        }
+
+        err = fnic_alloc_vnic_resources(fnic);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Failed to alloc vNIC resources, "
+                             "aborting.\n");
+                goto err_out_free_intr;
+        }
+
+
+        /* initialize all fnic locks */
+        spin_lock_init(&fnic->fnic_lock);
+
+        for (i = 0; i < FNIC_WQ_MAX; i++)
+                spin_lock_init(&fnic->wq_lock[i]);
+
+        for (i = 0; i < FNIC_WQ_COPY_MAX; i++) {
+                spin_lock_init(&fnic->wq_copy_lock[i]);
+                fnic->wq_copy_desc_low[i] = DESC_CLEAN_LOW_WATERMARK;
+                fnic->fw_ack_recd[i] = 0;
+                fnic->fw_ack_index[i] = -1;
+        }
+
+        for (i = 0; i < FNIC_IO_LOCKS; i++)
+                spin_lock_init(&fnic->io_req_lock[i]);
+
+        fnic->io_req_pool = mempool_create_slab_pool(2, fnic_io_req_cache);
+        if (!fnic->io_req_pool)
+                goto err_out_free_resources;
+
+        pool = mempool_create(2, fnic_alloc_slab_dma, mempool_free_slab,
+                              fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
+        if (!pool)
+                goto err_out_free_ioreq_pool;
+        fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT] = pool;
+
+        pool = mempool_create(2, fnic_alloc_slab_dma, mempool_free_slab,
+                              fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
+        if (!pool)
+                goto err_out_free_dflt_pool;
+        fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX] = pool;
+
+        /* setup vlan config, hw inserts vlan header */
+        fnic->vlan_hw_insert = 1;
+        fnic->vlan_id = 0;
+
+        fnic->flogi_oxid = FC_XID_UNKNOWN;
+        fnic->flogi = NULL;
+        fnic->flogi_resp = NULL;
+        fnic->state = FNIC_IN_FC_MODE;
+
+        /* Enable hardware stripping of vlan header on ingress */
+        fnic_set_nic_config(fnic, 0, 0, 0, 0, 0, 0, 1);
+
+        /* Setup notification buffer area */
+        err = fnic_notify_set(fnic);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Failed to alloc notify buffer, aborting.\n");
+                goto err_out_free_max_pool;
+        }
+
+        /* Setup notify timer when using MSI interrupts */
+        if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
+                setup_timer(&fnic->notify_timer,
+                            fnic_notify_timer, (unsigned long)fnic);
+
+        /* allocate RQ buffers and post them to RQ*/
+        for (i = 0; i < fnic->rq_count; i++) {
+                err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
+                if (err) {
+                        shost_printk(KERN_ERR, fnic->lport->host,
+                                     "fnic_alloc_rq_frame can't alloc "
+                                     "frame\n");
+                        goto err_out_free_rq_buf;
+                }
+        }
+
+        /*
+         * Initialization done with PCI system, hardware, firmware.
+         * Add host to SCSI
+         */
+        err = scsi_add_host(lp->host, &pdev->dev);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "fnic: scsi_add_host failed...exiting\n");
+                goto err_out_free_rq_buf;
+        }
+
+        /* Start local port initiatialization */
+
+        lp->link_up = 0;
+        lp->tt = fnic_transport_template;
+
+        lp->emp = fc_exch_mgr_alloc(lp, FC_CLASS_3,
+                                    FCPIO_HOST_EXCH_RANGE_START,
+                                    FCPIO_HOST_EXCH_RANGE_END);
+        if (!lp->emp) {
+                err = -ENOMEM;
+                goto err_out_remove_scsi_host;
+        }
+
+        lp->max_retry_count = fnic->config.flogi_retries;
+        lp->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
+                              FCP_SPPF_CONF_COMPL);
+        if (fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR)
+                lp->service_params |= FCP_SPPF_RETRY;
+
+        lp->boot_time = jiffies;
+        lp->e_d_tov = fnic->config.ed_tov;
+        lp->r_a_tov = fnic->config.ra_tov;
+        lp->link_supported_speeds = FC_PORTSPEED_10GBIT;
+        fc_set_wwnn(lp, fnic->config.node_wwn);
+        fc_set_wwpn(lp, fnic->config.port_wwn);
+
+        fc_exch_init(lp);
+        fc_lport_init(lp);
+        fc_elsct_init(lp);
+        fc_rport_init(lp);
+        fc_disc_init(lp);
+
+        fc_lport_config(lp);
+
+        if (fc_set_mfs(lp, fnic->config.maxdatafieldsize +
+                       sizeof(struct fc_frame_header))) {
+                err = -EINVAL;
+                goto err_out_free_exch_mgr;
+        }
+        fc_host_maxframe_size(lp->host) = lp->mfs;
+
+        sprintf(fc_host_symbolic_name(lp->host),
+                DRV_NAME " v" DRV_VERSION " over %s", fnic->name);
+
+        spin_lock_irqsave(&fnic_list_lock, flags);
+        list_add_tail(&fnic->list, &fnic_list);
+        spin_unlock_irqrestore(&fnic_list_lock, flags);
+
+        INIT_WORK(&fnic->link_work, fnic_handle_link);
+        INIT_WORK(&fnic->frame_work, fnic_handle_frame);
+        skb_queue_head_init(&fnic->frame_queue);
+
+        /* Enable all queues */
+        for (i = 0; i < fnic->raw_wq_count; i++)
+                vnic_wq_enable(&fnic->wq[i]);
+        for (i = 0; i < fnic->rq_count; i++)
+                vnic_rq_enable(&fnic->rq[i]);
+        for (i = 0; i < fnic->wq_copy_count; i++)
+                vnic_wq_copy_enable(&fnic->wq_copy[i]);
+
+        fc_fabric_login(lp);
+
+        vnic_dev_enable(fnic->vdev);
+        for (i = 0; i < fnic->intr_count; i++)
+                vnic_intr_unmask(&fnic->intr[i]);
+
+        fnic_notify_timer_start(fnic);
+
+        return 0;
+
+err_out_free_exch_mgr:
+        fc_exch_mgr_free(lp->emp);
+err_out_remove_scsi_host:
+        fc_remove_host(fnic->lport->host);
+        scsi_remove_host(fnic->lport->host);
+err_out_free_rq_buf:
+        for (i = 0; i < fnic->rq_count; i++)
+                vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
+        vnic_dev_notify_unset(fnic->vdev);
+err_out_free_max_pool:
+        mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX]);
+err_out_free_dflt_pool:
+        mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT]);
+err_out_free_ioreq_pool:
+        mempool_destroy(fnic->io_req_pool);
+err_out_free_resources:
+        fnic_free_vnic_resources(fnic);
+err_out_free_intr:
+        fnic_free_intr(fnic);
+err_out_clear_intr:
+        fnic_clear_intr_mode(fnic);
+err_out_dev_close:
+        vnic_dev_close(fnic->vdev);
+err_out_vnic_unregister:
+        vnic_dev_unregister(fnic->vdev);
+err_out_iounmap:
+        fnic_iounmap(fnic);
+err_out_release_regions:
+        pci_release_regions(pdev);
+err_out_disable_device:
+        pci_disable_device(pdev);
+err_out_free_hba:
+        scsi_host_put(lp->host);
+err_out:
+        return err;
+}
+
+static void __devexit fnic_remove(struct pci_dev *pdev)
+{
+        struct fnic *fnic = pci_get_drvdata(pdev);
+        unsigned long flags;
+
+        /*
+         * Mark state so that the workqueue thread stops forwarding
+         * received frames and link events to the local port. ISR and
+         * other threads that can queue work items will also stop
+         * creating work items on the fnic workqueue
+         */
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+        fnic->stop_rx_link_events = 1;
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+        if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
+                del_timer_sync(&fnic->notify_timer);
+
+        /*
+         * Flush the fnic event queue. After this call, there should
+         * be no event queued for this fnic device in the workqueue
+         */
+        flush_workqueue(fnic_event_queue);
+        skb_queue_purge(&fnic->frame_queue);
+
+        /*
+         * Log off the fabric. This stops all remote ports, dns port,
+         * logs off the fabric. This flushes all rport, disc, lport work
+         * before returning
+         */
+        fc_fabric_logoff(fnic->lport);
+
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+        fnic->in_remove = 1;
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+        fc_lport_destroy(fnic->lport);
+
+        /*
+         * This stops the fnic device, masks all interrupts. Completed
+         * CQ entries are drained. Posted WQ/RQ/Copy-WQ entries are
+         * cleaned up
+         */
+        fnic_cleanup(fnic);
+
+        BUG_ON(!skb_queue_empty(&fnic->frame_queue));
+
+        spin_lock_irqsave(&fnic_list_lock, flags);
+        list_del(&fnic->list);
+        spin_unlock_irqrestore(&fnic_list_lock, flags);
+
+        fc_remove_host(fnic->lport->host);
+        scsi_remove_host(fnic->lport->host);
+        fc_exch_mgr_free(fnic->lport->emp);
+        vnic_dev_notify_unset(fnic->vdev);
+        fnic_free_vnic_resources(fnic);
+        fnic_free_intr(fnic);
+        fnic_clear_intr_mode(fnic);
+        vnic_dev_close(fnic->vdev);
+        vnic_dev_unregister(fnic->vdev);
+        fnic_iounmap(fnic);
+        pci_release_regions(pdev);
+        pci_disable_device(pdev);
+        pci_set_drvdata(pdev, NULL);
+        scsi_host_put(fnic->lport->host);
+}
+
+static struct pci_driver fnic_driver = {
+        .name = DRV_NAME,
+        .id_table = fnic_id_table,
+        .probe = fnic_probe,
+        .remove = __devexit_p(fnic_remove),
+};
+
+static int __init fnic_init_module(void)
+{
+        size_t len;
+        int err = 0;
+
+        printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);
+
+        /* Create a cache for allocation of default size sgls */
+        len = sizeof(struct fnic_dflt_sgl_list);
+        fnic_sgl_cache[FNIC_SGL_CACHE_DFLT] = kmem_cache_create
+                ("fnic_sgl_dflt", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
+                 SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA,
+                 NULL);
+        if (!fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]) {
+                printk(KERN_ERR PFX "failed to create fnic dflt sgl slab\n");
+                err = -ENOMEM;
+                goto err_create_fnic_sgl_slab_dflt;
+        }
+
+        /* Create a cache for allocation of max size sgls*/
+        len = sizeof(struct fnic_sgl_list);
+        fnic_sgl_cache[FNIC_SGL_CACHE_MAX] = kmem_cache_create
+                ("fnic_sgl_max", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
+                 SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA,
+                 NULL);
+        if (!fnic_sgl_cache[FNIC_SGL_CACHE_MAX]) {
+                printk(KERN_ERR PFX "failed to create fnic max sgl slab\n");
+                err = -ENOMEM;
+                goto err_create_fnic_sgl_slab_max;
+        }
+
+        /* Create a cache of io_req structs for use via mempool */
+        fnic_io_req_cache = kmem_cache_create("fnic_io_req",
+                                              sizeof(struct fnic_io_req),
+                                              0, SLAB_HWCACHE_ALIGN, NULL);
+        if (!fnic_io_req_cache) {
+                printk(KERN_ERR PFX "failed to create fnic io_req slab\n");
+                err = -ENOMEM;
+                goto err_create_fnic_ioreq_slab;
+        }
+
+        fnic_event_queue = create_singlethread_workqueue("fnic_event_wq");
+        if (!fnic_event_queue) {
+                printk(KERN_ERR PFX "fnic work queue create failed\n");
+                err = -ENOMEM;
+                goto err_create_fnic_workq;
+        }
+
+        spin_lock_init(&fnic_list_lock);
+        INIT_LIST_HEAD(&fnic_list);
+
+        fnic_fc_transport = fc_attach_transport(&fnic_fc_functions);
+        if (!fnic_fc_transport) {
+                printk(KERN_ERR PFX "fc_attach_transport error\n");
+                err = -ENOMEM;
+                goto err_fc_transport;
+        }
+
+        /* register the driver with PCI system */
+        err = pci_register_driver(&fnic_driver);
+        if (err < 0) {
+                printk(KERN_ERR PFX "pci register error\n");
+                goto err_pci_register;
+        }
+        return err;
+
+err_pci_register:
+        fc_release_transport(fnic_fc_transport);
+err_fc_transport:
+        destroy_workqueue(fnic_event_queue);
+err_create_fnic_workq:
+        kmem_cache_destroy(fnic_io_req_cache);
+err_create_fnic_ioreq_slab:
+        kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
+err_create_fnic_sgl_slab_max:
+        kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
+err_create_fnic_sgl_slab_dflt:
+        return err;
+}
+
+static void __exit fnic_cleanup_module(void)
+{
+        pci_unregister_driver(&fnic_driver);
+        destroy_workqueue(fnic_event_queue);
+        kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
+        kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
+        kmem_cache_destroy(fnic_io_req_cache);
+        fc_release_transport(fnic_fc_transport);
+}
+
+module_init(fnic_init_module);
+module_exit(fnic_cleanup_module);
+
diff --git a/drivers/scsi/fnic/fnic_res.c b/drivers/scsi/fnic/fnic_res.c
new file mode 100644
index 000000000000..7ba61ec715d2
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_res.c
@@ -0,0 +1,444 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include "wq_enet_desc.h"
+#include "rq_enet_desc.h"
+#include "cq_enet_desc.h"
+#include "vnic_resource.h"
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_nic.h"
+#include "fnic.h"
+
+int fnic_get_vnic_config(struct fnic *fnic)
+{
+        struct vnic_fc_config *c = &fnic->config;
+        int err;
+
+#define GET_CONFIG(m) \
+        do { \
+                err = vnic_dev_spec(fnic->vdev, \
+                                    offsetof(struct vnic_fc_config, m), \
+                                    sizeof(c->m), &c->m); \
+                if (err) { \
+                        shost_printk(KERN_ERR, fnic->lport->host, \
+                                     "Error getting %s, %d\n", #m, \
+                                     err); \
+                        return err; \
+                } \
+        } while (0);
+
+        GET_CONFIG(node_wwn);
+        GET_CONFIG(port_wwn);
+        GET_CONFIG(wq_enet_desc_count);
+        GET_CONFIG(wq_copy_desc_count);
+        GET_CONFIG(rq_desc_count);
+        GET_CONFIG(maxdatafieldsize);
+        GET_CONFIG(ed_tov);
+        GET_CONFIG(ra_tov);
+        GET_CONFIG(intr_timer);
+        GET_CONFIG(intr_timer_type);
+        GET_CONFIG(flags);
+        GET_CONFIG(flogi_retries);
+        GET_CONFIG(flogi_timeout);
+        GET_CONFIG(plogi_retries);
+        GET_CONFIG(plogi_timeout);
+        GET_CONFIG(io_throttle_count);
+        GET_CONFIG(link_down_timeout);
+        GET_CONFIG(port_down_timeout);
+        GET_CONFIG(port_down_io_retries);
+        GET_CONFIG(luns_per_tgt);
+
+        c->wq_enet_desc_count =
+                min_t(u32, VNIC_FNIC_WQ_DESCS_MAX,
+                      max_t(u32, VNIC_FNIC_WQ_DESCS_MIN,
+                            c->wq_enet_desc_count));
+        c->wq_enet_desc_count = ALIGN(c->wq_enet_desc_count, 16);
+
+        c->wq_copy_desc_count =
+                min_t(u32, VNIC_FNIC_WQ_COPY_DESCS_MAX,
+                      max_t(u32, VNIC_FNIC_WQ_COPY_DESCS_MIN,
+                            c->wq_copy_desc_count));
+        c->wq_copy_desc_count = ALIGN(c->wq_copy_desc_count, 16);
+
+        c->rq_desc_count =
+                min_t(u32, VNIC_FNIC_RQ_DESCS_MAX,
+                      max_t(u32, VNIC_FNIC_RQ_DESCS_MIN,
+                            c->rq_desc_count));
+        c->rq_desc_count = ALIGN(c->rq_desc_count, 16);
+
+        c->maxdatafieldsize =
+                min_t(u16, VNIC_FNIC_MAXDATAFIELDSIZE_MAX,
+                      max_t(u16, VNIC_FNIC_MAXDATAFIELDSIZE_MIN,
+                            c->maxdatafieldsize));
+        c->ed_tov =
+                min_t(u32, VNIC_FNIC_EDTOV_MAX,
+                      max_t(u32, VNIC_FNIC_EDTOV_MIN,
+                            c->ed_tov));
+
+        c->ra_tov =
+                min_t(u32, VNIC_FNIC_RATOV_MAX,
+                      max_t(u32, VNIC_FNIC_RATOV_MIN,
+                            c->ra_tov));
+
+        c->flogi_retries =
+                min_t(u32, VNIC_FNIC_FLOGI_RETRIES_MAX, c->flogi_retries);
+
+        c->flogi_timeout =
+                min_t(u32, VNIC_FNIC_FLOGI_TIMEOUT_MAX,
+                      max_t(u32, VNIC_FNIC_FLOGI_TIMEOUT_MIN,
+                            c->flogi_timeout));
+
+        c->plogi_retries =
+                min_t(u32, VNIC_FNIC_PLOGI_RETRIES_MAX, c->plogi_retries);
+
+        c->plogi_timeout =
+                min_t(u32, VNIC_FNIC_PLOGI_TIMEOUT_MAX,
+                      max_t(u32, VNIC_FNIC_PLOGI_TIMEOUT_MIN,
+                            c->plogi_timeout));
+
+        c->io_throttle_count =
+                min_t(u32, VNIC_FNIC_IO_THROTTLE_COUNT_MAX,
+                      max_t(u32, VNIC_FNIC_IO_THROTTLE_COUNT_MIN,
+                            c->io_throttle_count));
+
+        c->link_down_timeout =
+                min_t(u32, VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX,
+                      c->link_down_timeout);
+
+        c->port_down_timeout =
+                min_t(u32, VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX,
+                      c->port_down_timeout);
+
+        c->port_down_io_retries =
+                min_t(u32, VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX,
+                      c->port_down_io_retries);
+
+        c->luns_per_tgt =
+                min_t(u32, VNIC_FNIC_LUNS_PER_TARGET_MAX,
+                      max_t(u32, VNIC_FNIC_LUNS_PER_TARGET_MIN,
+                            c->luns_per_tgt));
+
+        c->intr_timer = min_t(u16, VNIC_INTR_TIMER_MAX, c->intr_timer);
+        c->intr_timer_type = c->intr_timer_type;
+
+        shost_printk(KERN_INFO, fnic->lport->host,
+                     "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x "
+                     "wq/wq_copy/rq %d/%d/%d\n",
+                     fnic->mac_addr[0], fnic->mac_addr[1], fnic->mac_addr[2],
+                     fnic->mac_addr[3], fnic->mac_addr[4], fnic->mac_addr[5],
+                     c->wq_enet_desc_count, c->wq_copy_desc_count,
+                     c->rq_desc_count);
+        shost_printk(KERN_INFO, fnic->lport->host,
+                     "vNIC node wwn %llx port wwn %llx\n",
+                     c->node_wwn, c->port_wwn);
+        shost_printk(KERN_INFO, fnic->lport->host,
+                     "vNIC ed_tov %d ra_tov %d\n",
+                     c->ed_tov, c->ra_tov);
+        shost_printk(KERN_INFO, fnic->lport->host,
+                     "vNIC mtu %d intr timer %d\n",
+                     c->maxdatafieldsize, c->intr_timer);
+        shost_printk(KERN_INFO, fnic->lport->host,
+                     "vNIC flags 0x%x luns per tgt %d\n",
+                     c->flags, c->luns_per_tgt);
+        shost_printk(KERN_INFO, fnic->lport->host,
+                     "vNIC flogi_retries %d flogi timeout %d\n",
+                     c->flogi_retries, c->flogi_timeout);
+        shost_printk(KERN_INFO, fnic->lport->host,
+                     "vNIC plogi retries %d plogi timeout %d\n",
+                     c->plogi_retries, c->plogi_timeout);
+        shost_printk(KERN_INFO, fnic->lport->host,
+                     "vNIC io throttle count %d link dn timeout %d\n",
+                     c->io_throttle_count, c->link_down_timeout);
+        shost_printk(KERN_INFO, fnic->lport->host,
+                     "vNIC port dn io retries %d port dn timeout %d\n",
+                     c->port_down_io_retries, c->port_down_timeout);
+
+        return 0;
+}
+
+int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
+                        u8 rss_hash_type,
+                        u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable,
+                        u8 tso_ipid_split_en, u8 ig_vlan_strip_en)
+{
+        u64 a0, a1;
+        u32 nic_cfg;
+        int wait = 1000;
+
+        vnic_set_nic_cfg(&nic_cfg, rss_default_cpu,
+                rss_hash_type, rss_hash_bits, rss_base_cpu,
+                rss_enable, tso_ipid_split_en, ig_vlan_strip_en);
+
+        a0 = nic_cfg;
+        a1 = 0;
+
+        return vnic_dev_cmd(fnic->vdev, CMD_NIC_CFG, &a0, &a1, wait);
+}
+
+void fnic_get_res_counts(struct fnic *fnic)
+{
+        fnic->wq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_WQ);
+        fnic->raw_wq_count = fnic->wq_count - 1;
+        fnic->wq_copy_count = fnic->wq_count - fnic->raw_wq_count;
+        fnic->rq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_RQ);
+        fnic->cq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_CQ);
+        fnic->intr_count = vnic_dev_get_res_count(fnic->vdev,
+                RES_TYPE_INTR_CTRL);
+}
+
+void fnic_free_vnic_resources(struct fnic *fnic)
+{
+        unsigned int i;
+
+        for (i = 0; i < fnic->raw_wq_count; i++)
+                vnic_wq_free(&fnic->wq[i]);
+
+        for (i = 0; i < fnic->wq_copy_count; i++)
+                vnic_wq_copy_free(&fnic->wq_copy[i]);
+
+        for (i = 0; i < fnic->rq_count; i++)
+                vnic_rq_free(&fnic->rq[i]);
+
+        for (i = 0; i < fnic->cq_count; i++)
+                vnic_cq_free(&fnic->cq[i]);
+
+        for (i = 0; i < fnic->intr_count; i++)
+                vnic_intr_free(&fnic->intr[i]);
+}
+
+int fnic_alloc_vnic_resources(struct fnic *fnic)
+{
+        enum vnic_dev_intr_mode intr_mode;
+        unsigned int mask_on_assertion;
+        unsigned int interrupt_offset;
+        unsigned int error_interrupt_enable;
+        unsigned int error_interrupt_offset;
+        unsigned int i, cq_index;
+        unsigned int wq_copy_cq_desc_count;
+        int err;
+
+        intr_mode = vnic_dev_get_intr_mode(fnic->vdev);
+
+        shost_printk(KERN_INFO, fnic->lport->host, "vNIC interrupt mode: %s\n",
+                     intr_mode == VNIC_DEV_INTR_MODE_INTX ? "legacy PCI INTx" :
+                     intr_mode == VNIC_DEV_INTR_MODE_MSI ? "MSI" :
+                     intr_mode == VNIC_DEV_INTR_MODE_MSIX ?
+                     "MSI-X" : "unknown");
+
+        shost_printk(KERN_INFO, fnic->lport->host, "vNIC resources avail: "
+                     "wq %d cp_wq %d raw_wq %d rq %d cq %d intr %d\n",
+                     fnic->wq_count, fnic->wq_copy_count, fnic->raw_wq_count,
+                     fnic->rq_count, fnic->cq_count, fnic->intr_count);
+
+        /* Allocate Raw WQ used for FCS frames */
+        for (i = 0; i < fnic->raw_wq_count; i++) {
+                err = vnic_wq_alloc(fnic->vdev, &fnic->wq[i], i,
+                        fnic->config.wq_enet_desc_count,
+                        sizeof(struct wq_enet_desc));
+                if (err)
+                        goto err_out_cleanup;
+        }
+
+        /* Allocate Copy WQs used for SCSI IOs */
+        for (i = 0; i < fnic->wq_copy_count; i++) {
+                err = vnic_wq_copy_alloc(fnic->vdev, &fnic->wq_copy[i],
+                        (fnic->raw_wq_count + i),
+                        fnic->config.wq_copy_desc_count,
+                        sizeof(struct fcpio_host_req));
+                if (err)
+                        goto err_out_cleanup;
+        }
+
+        /* RQ for receiving FCS frames */
+        for (i = 0; i < fnic->rq_count; i++) {
+                err = vnic_rq_alloc(fnic->vdev, &fnic->rq[i], i,
+                        fnic->config.rq_desc_count,
+                        sizeof(struct rq_enet_desc));
+                if (err)
+                        goto err_out_cleanup;
+        }
+
+        /* CQ for each RQ */
+        for (i = 0; i < fnic->rq_count; i++) {
+                cq_index = i;
+                err = vnic_cq_alloc(fnic->vdev,
+                        &fnic->cq[cq_index], cq_index,
+                        fnic->config.rq_desc_count,
+                        sizeof(struct cq_enet_rq_desc));
+                if (err)
+                        goto err_out_cleanup;
+        }
+
+        /* CQ for each WQ */
+        for (i = 0; i < fnic->raw_wq_count; i++) {
+                cq_index = fnic->rq_count + i;
+                err = vnic_cq_alloc(fnic->vdev, &fnic->cq[cq_index], cq_index,
+                        fnic->config.wq_enet_desc_count,
+                        sizeof(struct cq_enet_wq_desc));
+                if (err)
+                        goto err_out_cleanup;
+        }
+
+        /* CQ for each COPY WQ */
+        wq_copy_cq_desc_count = (fnic->config.wq_copy_desc_count * 3);
+        for (i = 0; i < fnic->wq_copy_count; i++) {
+                cq_index = fnic->raw_wq_count + fnic->rq_count + i;
+                err = vnic_cq_alloc(fnic->vdev, &fnic->cq[cq_index],
+                        cq_index,
+                        wq_copy_cq_desc_count,
+                        sizeof(struct fcpio_fw_req));
+                if (err)
+                        goto err_out_cleanup;
+        }
+
+        for (i = 0; i < fnic->intr_count; i++) {
+                err = vnic_intr_alloc(fnic->vdev, &fnic->intr[i], i);
+                if (err)
+                        goto err_out_cleanup;
+        }
+
+        fnic->legacy_pba = vnic_dev_get_res(fnic->vdev,
+                                RES_TYPE_INTR_PBA_LEGACY, 0);
+
+        if (!fnic->legacy_pba && intr_mode == VNIC_DEV_INTR_MODE_INTX) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Failed to hook legacy pba resource\n");
+                err = -ENODEV;
+                goto err_out_cleanup;
+        }
+
+        /*
+         * Init RQ/WQ resources.
+         *
+         * RQ[0 to n-1] point to CQ[0 to n-1]
+         * WQ[0 to m-1] point to CQ[n to n+m-1]
+         * WQ_COPY[0 to k-1] points to CQ[n+m to n+m+k-1]
+         *
+         * Note for copy wq we always initialize with cq_index = 0
+         *
+         * Error interrupt is not enabled for MSI.
+         */
+
+        switch (intr_mode) {
+        case VNIC_DEV_INTR_MODE_INTX:
+        case VNIC_DEV_INTR_MODE_MSIX:
+                error_interrupt_enable = 1;
+                error_interrupt_offset = fnic->err_intr_offset;
+                break;
+        default:
+                error_interrupt_enable = 0;
+                error_interrupt_offset = 0;
+                break;
+        }
+
+        for (i = 0; i < fnic->rq_count; i++) {
+                cq_index = i;
+                vnic_rq_init(&fnic->rq[i],
+                             cq_index,
+                             error_interrupt_enable,
+                             error_interrupt_offset);
+        }
+
+        for (i = 0; i < fnic->raw_wq_count; i++) {
+                cq_index = i + fnic->rq_count;
+                vnic_wq_init(&fnic->wq[i],
+                             cq_index,
+                             error_interrupt_enable,
+                             error_interrupt_offset);
+        }
+
+        for (i = 0; i < fnic->wq_copy_count; i++) {
+                vnic_wq_copy_init(&fnic->wq_copy[i],
+                                  0 /* cq_index 0 - always */,
+                                  error_interrupt_enable,
+                                  error_interrupt_offset);
+        }
+
+        for (i = 0; i < fnic->cq_count; i++) {
+
+                switch (intr_mode) {
+                case VNIC_DEV_INTR_MODE_MSIX:
+                        interrupt_offset = i;
+                        break;
+                default:
+                        interrupt_offset = 0;
+                        break;
+                }
+
+                vnic_cq_init(&fnic->cq[i],
+                        0 /* flow_control_enable */,
+                        1 /* color_enable */,
+                        0 /* cq_head */,
+                        0 /* cq_tail */,
+                        1 /* cq_tail_color */,
+                        1 /* interrupt_enable */,
+                        1 /* cq_entry_enable */,
+                        0 /* cq_message_enable */,
+                        interrupt_offset,
+                        0 /* cq_message_addr */);
+        }
+
+        /*
+         * Init INTR resources
+         *
+         * mask_on_assertion is not used for INTx due to the level-
+         * triggered nature of INTx
+         */
+
+        switch (intr_mode) {
+        case VNIC_DEV_INTR_MODE_MSI:
+        case VNIC_DEV_INTR_MODE_MSIX:
+                mask_on_assertion = 1;
+                break;
+        default:
+                mask_on_assertion = 0;
+                break;
+        }
+
+        for (i = 0; i < fnic->intr_count; i++) {
+                vnic_intr_init(&fnic->intr[i],
+                        fnic->config.intr_timer,
+                        fnic->config.intr_timer_type,
+                        mask_on_assertion);
+        }
+
+        /* init the stats memory by making the first call here */
+        err = vnic_dev_stats_dump(fnic->vdev, &fnic->stats);
+        if (err) {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "vnic_dev_stats_dump failed - x%x\n", err);
+                goto err_out_cleanup;
+        }
+
+        /* Clear LIF stats */
+        vnic_dev_stats_clear(fnic->vdev);
+
+        return 0;
+
+err_out_cleanup:
+        fnic_free_vnic_resources(fnic);
+
+        return err;
+}
diff --git a/drivers/scsi/fnic/fnic_res.h b/drivers/scsi/fnic/fnic_res.h
new file mode 100644
index 000000000000..b6f310262534
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_res.h
@@ -0,0 +1,197 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _FNIC_RES_H_
+#define _FNIC_RES_H_
+
+#include "wq_enet_desc.h"
+#include "rq_enet_desc.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "fnic_io.h"
+#include "fcpio.h"
+#include "vnic_wq_copy.h"
+#include "vnic_cq_copy.h"
+
+static inline void fnic_queue_wq_desc(struct vnic_wq *wq,
+                                      void *os_buf, dma_addr_t dma_addr,
+                                      unsigned int len, unsigned int fc_eof,
+                                      int vlan_tag_insert,
+                                      unsigned int vlan_tag,
+                                      int cq_entry, int sop, int eop)
+{
+        struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
+
+        wq_enet_desc_enc(desc,
+                         (u64)dma_addr | VNIC_PADDR_TARGET,
+                         (u16)len,
+                         0, /* mss_or_csum_offset */
+                         (u16)fc_eof,
+                         0, /* offload_mode */
+                         (u8)eop, (u8)cq_entry,
+                         1, /* fcoe_encap */
+                         (u8)vlan_tag_insert,
+                         (u16)vlan_tag,
+                         0 /* loopback */);
+
+        vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop);
+}
+
+static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,
+                                                    u32 req_id,
+                                                    u32 lunmap_id, u8 spl_flags,
+                                                    u32 sgl_cnt, u32 sense_len,
+                                                    u64 sgl_addr, u64 sns_addr,
+                                                    u8 crn, u8 pri_ta,
+                                                    u8 flags, u8 *scsi_cdb,
+                                                    u32 data_len, u8 *lun,
+                                                    u32 d_id, u16 mss,
+                                                    u32 ratov, u32 edtov)
+{
+        struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+        desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */
+        desc->hdr.status = 0;            /* header status entry */
+        desc->hdr._resvd = 0;            /* reserved */
+        desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+        desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */
+        desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */
+        desc->u.icmnd_16._resvd0[0] = 0;        /* reserved */
+        desc->u.icmnd_16._resvd0[1] = 0;        /* reserved */
+        desc->u.icmnd_16._resvd0[2] = 0;        /* reserved */
+        desc->u.icmnd_16.sgl_cnt = sgl_cnt;     /* scatter-gather list count */
+        desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */
+        desc->u.icmnd_16.sgl_addr = sgl_addr;   /* scatter-gather list addr */
+        desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */
+        desc->u.icmnd_16.crn = crn;             /* SCSI Command Reference No.*/
+        desc->u.icmnd_16.pri_ta = pri_ta;       /* SCSI Pri & Task attribute */
+        desc->u.icmnd_16._resvd1 = 0;           /* reserved: should be 0 */
+        desc->u.icmnd_16.flags = flags;         /* command flags */
+        memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, CDB_16);    /* SCSI CDB */
+        desc->u.icmnd_16.data_len = data_len;   /* length of data expected */
+        memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS);  /* LUN address */
+        desc->u.icmnd_16._resvd2 = 0;           /* reserved */
+        hton24(desc->u.icmnd_16.d_id, d_id);    /* FC vNIC only: Target D_ID */
+        desc->u.icmnd_16.mss = mss;             /* FC vNIC only: max burst */
+        desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */
+        desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */
+
+        vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq,
+                                                u32 req_id, u32 lunmap_id,
+                                                u32 tm_req, u32 tm_id, u8 *lun,
+                                                u32 d_id, u32 r_a_tov,
+                                                u32 e_d_tov)
+{
+        struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+        desc->hdr.type = FCPIO_ITMF;     /* enum fcpio_type */
+        desc->hdr.status = 0;            /* header status entry */
+        desc->hdr._resvd = 0;            /* reserved */
+        desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+        desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */
+        desc->u.itmf.tm_req = tm_req;       /* SCSI Task Management request */
+        desc->u.itmf.t_tag = tm_id;         /* tag of fcpio to be aborted */
+        desc->u.itmf._resvd = 0;
+        memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS);  /* LUN address */
+        desc->u.itmf._resvd1 = 0;
+        hton24(desc->u.itmf.d_id, d_id);    /* FC vNIC only: Target D_ID */
+        desc->u.itmf.r_a_tov = r_a_tov;     /* FC vNIC only: R_A_TOV in msec */
+        desc->u.itmf.e_d_tov = e_d_tov;     /* FC vNIC only: E_D_TOV in msec */
+
+        vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq,
+                                                     u32 req_id, u8 format,
+                                                     u32 s_id, u8 *gw_mac)
+{
+        struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+        desc->hdr.type = FCPIO_FLOGI_REG;     /* enum fcpio_type */
+        desc->hdr.status = 0;                 /* header status entry */
+        desc->hdr._resvd = 0;                 /* reserved */
+        desc->hdr.tag.u.req_id = req_id;      /* id for this request */
+
+        desc->u.flogi_reg.format = format;
+        hton24(desc->u.flogi_reg.s_id, s_id);
+        memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN);
+
+        vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq,
+                                                    u32 req_id)
+{
+        struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+        desc->hdr.type = FCPIO_RESET;     /* enum fcpio_type */
+        desc->hdr.status = 0;             /* header status entry */
+        desc->hdr._resvd = 0;             /* reserved */
+        desc->hdr.tag.u.req_id = req_id;  /* id for this request */
+
+        vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq,
+                                                  u32 req_id, u64 lunmap_addr,
+                                                  u32 lunmap_len)
+{
+        struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+        desc->hdr.type = FCPIO_LUNMAP_REQ;      /* enum fcpio_type */
+        desc->hdr.status = 0;                   /* header status entry */
+        desc->hdr._resvd = 0;                   /* reserved */
+        desc->hdr.tag.u.req_id = req_id;        /* id for this request */
+
+        desc->u.lunmap_req.addr = lunmap_addr;  /* address of the buffer */
+        desc->u.lunmap_req.len = lunmap_len;    /* len of the buffer */
+
+        vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_rq_desc(struct vnic_rq *rq,
+                                      void *os_buf, dma_addr_t dma_addr,
+                                      u16 len)
+{
+        struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
+
+        rq_enet_desc_enc(desc,
+                (u64)dma_addr | VNIC_PADDR_TARGET,
+                RQ_ENET_TYPE_ONLY_SOP,
+                (u16)len);
+
+        vnic_rq_post(rq, os_buf, 0, dma_addr, len);
+}
+
+
+struct fnic;
+
+int fnic_get_vnic_config(struct fnic *);
+int fnic_alloc_vnic_resources(struct fnic *);
+void fnic_free_vnic_resources(struct fnic *);
+void fnic_get_res_counts(struct fnic *);
+int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
+                        u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu,
+                        u8 rss_enable, u8 tso_ipid_split_en,
+                        u8 ig_vlan_strip_en);
+
+#endif /* _FNIC_RES_H_ */
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
new file mode 100644
index 000000000000..eabf36502856
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -0,0 +1,1850 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/mempool.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/workqueue.h>
+#include <linux/pci.h>
+#include <linux/scatterlist.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/delay.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/fc/fc_els.h>
+#include <scsi/fc/fc_fcoe.h>
+#include <scsi/libfc.h>
+#include <scsi/fc_frame.h>
+#include "fnic_io.h"
+#include "fnic.h"
+
+const char *fnic_state_str[] = {
+        [FNIC_IN_FC_MODE] =           "FNIC_IN_FC_MODE",
+        [FNIC_IN_FC_TRANS_ETH_MODE] = "FNIC_IN_FC_TRANS_ETH_MODE",
+        [FNIC_IN_ETH_MODE] =          "FNIC_IN_ETH_MODE",
+        [FNIC_IN_ETH_TRANS_FC_MODE] = "FNIC_IN_ETH_TRANS_FC_MODE",
+};
+
+static const char *fnic_ioreq_state_str[] = {
+        [FNIC_IOREQ_CMD_PENDING] = "FNIC_IOREQ_CMD_PENDING",
+        [FNIC_IOREQ_ABTS_PENDING] = "FNIC_IOREQ_ABTS_PENDING",
+        [FNIC_IOREQ_ABTS_COMPLETE] = "FNIC_IOREQ_ABTS_COMPLETE",
+        [FNIC_IOREQ_CMD_COMPLETE] = "FNIC_IOREQ_CMD_COMPLETE",
+};
+
+static const char *fcpio_status_str[] =  {
+        [FCPIO_SUCCESS] = "FCPIO_SUCCESS", /*0x0*/
+        [FCPIO_INVALID_HEADER] = "FCPIO_INVALID_HEADER",
+        [FCPIO_OUT_OF_RESOURCE] = "FCPIO_OUT_OF_RESOURCE",
+        [FCPIO_INVALID_PARAM] = "FCPIO_INVALID_PARAM]",
+        [FCPIO_REQ_NOT_SUPPORTED] = "FCPIO_REQ_NOT_SUPPORTED",
+        [FCPIO_IO_NOT_FOUND] = "FCPIO_IO_NOT_FOUND",
+        [FCPIO_ABORTED] = "FCPIO_ABORTED", /*0x41*/
+        [FCPIO_TIMEOUT] = "FCPIO_TIMEOUT",
+        [FCPIO_SGL_INVALID] = "FCPIO_SGL_INVALID",
+        [FCPIO_MSS_INVALID] = "FCPIO_MSS_INVALID",
+        [FCPIO_DATA_CNT_MISMATCH] = "FCPIO_DATA_CNT_MISMATCH",
+        [FCPIO_FW_ERR] = "FCPIO_FW_ERR",
+        [FCPIO_ITMF_REJECTED] = "FCPIO_ITMF_REJECTED",
+        [FCPIO_ITMF_FAILED] = "FCPIO_ITMF_FAILED",
+        [FCPIO_ITMF_INCORRECT_LUN] = "FCPIO_ITMF_INCORRECT_LUN",
+        [FCPIO_CMND_REJECTED] = "FCPIO_CMND_REJECTED",
+        [FCPIO_NO_PATH_AVAIL] = "FCPIO_NO_PATH_AVAIL",
+        [FCPIO_PATH_FAILED] = "FCPIO_PATH_FAILED",
+        [FCPIO_LUNMAP_CHNG_PEND] = "FCPIO_LUNHMAP_CHNG_PEND",
+};
+
+const char *fnic_state_to_str(unsigned int state)
+{
+        if (state >= ARRAY_SIZE(fnic_state_str) || !fnic_state_str[state])
+                return "unknown";
+
+        return fnic_state_str[state];
+}
+
+static const char *fnic_ioreq_state_to_str(unsigned int state)
+{
+        if (state >= ARRAY_SIZE(fnic_ioreq_state_str) ||
+            !fnic_ioreq_state_str[state])
+                return "unknown";
+
+        return fnic_ioreq_state_str[state];
+}
+
+static const char *fnic_fcpio_status_to_str(unsigned int status)
+{
+        if (status >= ARRAY_SIZE(fcpio_status_str) || !fcpio_status_str[status])
+                return "unknown";
+
+        return fcpio_status_str[status];
+}
+
+static void fnic_cleanup_io(struct fnic *fnic, int exclude_id);
+
+static inline spinlock_t *fnic_io_lock_hash(struct fnic *fnic,
+                                            struct scsi_cmnd *sc)
+{
+        u32 hash = sc->request->tag & (FNIC_IO_LOCKS - 1);
+
+        return &fnic->io_req_lock[hash];
+}
+
+/*
+ * Unmap the data buffer and sense buffer for an io_req,
+ * also unmap and free the device-private scatter/gather list.
+ */
+static void fnic_release_ioreq_buf(struct fnic *fnic,
+                                   struct fnic_io_req *io_req,
+                                   struct scsi_cmnd *sc)
+{
+        if (io_req->sgl_list_pa)
+                pci_unmap_single(fnic->pdev, io_req->sgl_list_pa,
+                                 sizeof(io_req->sgl_list[0]) * io_req->sgl_cnt,
+                                 PCI_DMA_TODEVICE);
+        scsi_dma_unmap(sc);
+
+        if (io_req->sgl_cnt)
+                mempool_free(io_req->sgl_list_alloc,
+                             fnic->io_sgl_pool[io_req->sgl_type]);
+        if (io_req->sense_buf_pa)
+                pci_unmap_single(fnic->pdev, io_req->sense_buf_pa,
+                                 SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE);
+}
+
+/* Free up Copy Wq descriptors. Called with copy_wq lock held */
+static int free_wq_copy_descs(struct fnic *fnic, struct vnic_wq_copy *wq)
+{
+        /* if no Ack received from firmware, then nothing to clean */
+        if (!fnic->fw_ack_recd[0])
+                return 1;
+
+        /*
+         * Update desc_available count based on number of freed descriptors
+         * Account for wraparound
+         */
+        if (wq->to_clean_index <= fnic->fw_ack_index[0])
+                wq->ring.desc_avail += (fnic->fw_ack_index[0]
+                                        - wq->to_clean_index + 1);
+        else
+                wq->ring.desc_avail += (wq->ring.desc_count
+                                        - wq->to_clean_index
+                                        + fnic->fw_ack_index[0] + 1);
+
+        /*
+         * just bump clean index to ack_index+1 accounting for wraparound
+         * this will essentially free up all descriptors between
+         * to_clean_index and fw_ack_index, both inclusive
+         */
+        wq->to_clean_index =
+                (fnic->fw_ack_index[0] + 1) % wq->ring.desc_count;
+
+        /* we have processed the acks received so far */
+        fnic->fw_ack_recd[0] = 0;
+        return 0;
+}
+
+
+/*
+ * fnic_fw_reset_handler
+ * Routine to send reset msg to fw
+ */
+int fnic_fw_reset_handler(struct fnic *fnic)
+{
+        struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+        int ret = 0;
+        unsigned long flags;
+
+        spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+        if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+                free_wq_copy_descs(fnic, wq);
+
+        if (!vnic_wq_copy_desc_avail(wq))
+                ret = -EAGAIN;
+        else
+                fnic_queue_wq_copy_desc_fw_reset(wq, SCSI_NO_TAG);
+
+        spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+
+        if (!ret)
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "Issued fw reset\n");
+        else
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "Failed to issue fw reset\n");
+        return ret;
+}
+
+
+/*
+ * fnic_flogi_reg_handler
+ * Routine to send flogi register msg to fw
+ */
+int fnic_flogi_reg_handler(struct fnic *fnic)
+{
+        struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+        u8 gw_mac[ETH_ALEN];
+        int ret = 0;
+        unsigned long flags;
+
+        spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+        if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+                free_wq_copy_descs(fnic, wq);
+
+        if (!vnic_wq_copy_desc_avail(wq)) {
+                ret = -EAGAIN;
+                goto flogi_reg_ioreq_end;
+        }
+
+        if (fnic->fcoui_mode)
+                memset(gw_mac, 0xff, ETH_ALEN);
+        else
+                memcpy(gw_mac, fnic->dest_addr, ETH_ALEN);
+
+        fnic_queue_wq_copy_desc_flogi_reg(wq, SCSI_NO_TAG,
+                                          FCPIO_FLOGI_REG_GW_DEST,
+                                          fnic->s_id,
+                                          gw_mac);
+
+flogi_reg_ioreq_end:
+        spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+
+        if (!ret)
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "flog reg issued\n");
+
+        return ret;
+}
+
+/*
+ * fnic_queue_wq_copy_desc
+ * Routine to enqueue a wq copy desc
+ */
+static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
+                                          struct vnic_wq_copy *wq,
+                                          struct fnic_io_req *io_req,
+                                          struct scsi_cmnd *sc,
+                                          u32 sg_count)
+{
+        struct scatterlist *sg;
+        struct fc_rport *rport = starget_to_rport(scsi_target(sc->device));
+        struct fc_rport_libfc_priv *rp = rport->dd_data;
+        struct host_sg_desc *desc;
+        u8 pri_tag = 0;
+        unsigned int i;
+        unsigned long intr_flags;
+        int flags;
+        u8 exch_flags;
+        struct scsi_lun fc_lun;
+        char msg[2];
+
+        if (sg_count) {
+                BUG_ON(sg_count < 0);
+                BUG_ON(sg_count > FNIC_MAX_SG_DESC_CNT);
+
+                /* For each SGE, create a device desc entry */
+                desc = io_req->sgl_list;
+                for_each_sg(scsi_sglist(sc), sg, sg_count, i) {
+                        desc->addr = cpu_to_le64(sg_dma_address(sg));
+                        desc->len = cpu_to_le32(sg_dma_len(sg));
+                        desc->_resvd = 0;
+                        desc++;
+                }
+
+                io_req->sgl_list_pa = pci_map_single
+                        (fnic->pdev,
+                         io_req->sgl_list,
+                         sizeof(io_req->sgl_list[0]) * sg_count,
+                         PCI_DMA_TODEVICE);
+        }
+
+        io_req->sense_buf_pa = pci_map_single(fnic->pdev,
+                                              sc->sense_buffer,
+                                              SCSI_SENSE_BUFFERSIZE,
+                                              PCI_DMA_FROMDEVICE);
+
+        int_to_scsilun(sc->device->lun, &fc_lun);
+
+        pri_tag = FCPIO_ICMND_PTA_SIMPLE;
+        msg[0] = MSG_SIMPLE_TAG;
+        scsi_populate_tag_msg(sc, msg);
+        if (msg[0] == MSG_ORDERED_TAG)
+                pri_tag = FCPIO_ICMND_PTA_ORDERED;
+
+        /* Enqueue the descriptor in the Copy WQ */
+        spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags);
+
+        if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+                free_wq_copy_descs(fnic, wq);
+
+        if (unlikely(!vnic_wq_copy_desc_avail(wq))) {
+                spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
+                return SCSI_MLQUEUE_HOST_BUSY;
+        }
+
+        flags = 0;
+        if (sc->sc_data_direction == DMA_FROM_DEVICE)
+                flags = FCPIO_ICMND_RDDATA;
+        else if (sc->sc_data_direction == DMA_TO_DEVICE)
+                flags = FCPIO_ICMND_WRDATA;
+
+        exch_flags = 0;
+        if ((fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR) &&
+            (rp->flags & FC_RP_FLAGS_RETRY))
+                exch_flags |= FCPIO_ICMND_SRFLAG_RETRY;
+
+        fnic_queue_wq_copy_desc_icmnd_16(wq, sc->request->tag,
+                                         0, exch_flags, io_req->sgl_cnt,
+                                         SCSI_SENSE_BUFFERSIZE,
+                                         io_req->sgl_list_pa,
+                                         io_req->sense_buf_pa,
+                                         0, /* scsi cmd ref, always 0 */
+                                         pri_tag, /* scsi pri and tag */
+                                         flags, /* command flags */
+                                         sc->cmnd, scsi_bufflen(sc),
+                                         fc_lun.scsi_lun, io_req->port_id,
+                                         rport->maxframe_size, rp->r_a_tov,
+                                         rp->e_d_tov);
+
+        spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
+        return 0;
+}
+
+/*
+ * fnic_queuecommand
+ * Routine to send a scsi cdb
+ * Called with host_lock held and interrupts disabled.
+ */
+int fnic_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
+{
+        struct fc_lport *lp;
+        struct fc_rport *rport;
+        struct fnic_io_req *io_req;
+        struct fnic *fnic;
+        struct vnic_wq_copy *wq;
+        int ret;
+        u32 sg_count;
+        unsigned long flags;
+        unsigned long ptr;
+
+        rport = starget_to_rport(scsi_target(sc->device));
+        ret = fc_remote_port_chkready(rport);
+        if (ret) {
+                sc->result = ret;
+                done(sc);
+                return 0;
+        }
+
+        lp = shost_priv(sc->device->host);
+        if (lp->state != LPORT_ST_READY || !(lp->link_up))
+                return SCSI_MLQUEUE_HOST_BUSY;
+
+        /*
+         * Release host lock, use driver resource specific locks from here.
+         * Don't re-enable interrupts in case they were disabled prior to the
+         * caller disabling them.
+         */
+        spin_unlock(lp->host->host_lock);
+
+        /* Get a new io_req for this SCSI IO */
+        fnic = lport_priv(lp);
+
+        io_req = mempool_alloc(fnic->io_req_pool, GFP_ATOMIC);
+        if (!io_req) {
+                ret = SCSI_MLQUEUE_HOST_BUSY;
+                goto out;
+        }
+        memset(io_req, 0, sizeof(*io_req));
+
+        /* Map the data buffer */
+        sg_count = scsi_dma_map(sc);
+        if (sg_count < 0) {
+                mempool_free(io_req, fnic->io_req_pool);
+                goto out;
+        }
+
+        /* Determine the type of scatter/gather list we need */
+        io_req->sgl_cnt = sg_count;
+        io_req->sgl_type = FNIC_SGL_CACHE_DFLT;
+        if (sg_count > FNIC_DFLT_SG_DESC_CNT)
+                io_req->sgl_type = FNIC_SGL_CACHE_MAX;
+
+        if (sg_count) {
+                io_req->sgl_list =
+                        mempool_alloc(fnic->io_sgl_pool[io_req->sgl_type],
+                                      GFP_ATOMIC | GFP_DMA);
+                if (!io_req->sgl_list) {
+                        ret = SCSI_MLQUEUE_HOST_BUSY;
+                        scsi_dma_unmap(sc);
+                        mempool_free(io_req, fnic->io_req_pool);
+                        goto out;
+                }
+
+                /* Cache sgl list allocated address before alignment */
+                io_req->sgl_list_alloc = io_req->sgl_list;
+                ptr = (unsigned long) io_req->sgl_list;
+                if (ptr % FNIC_SG_DESC_ALIGN) {
+                        io_req->sgl_list = (struct host_sg_desc *)
+                                (((unsigned long) ptr
+                                  + FNIC_SG_DESC_ALIGN - 1)
+                                 & ~(FNIC_SG_DESC_ALIGN - 1));
+                }
+        }
+
+        /* initialize rest of io_req */
+        io_req->port_id = rport->port_id;
+        CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING;
+        CMD_SP(sc) = (char *)io_req;
+        sc->scsi_done = done;
+
+        /* create copy wq desc and enqueue it */
+        wq = &fnic->wq_copy[0];
+        ret = fnic_queue_wq_copy_desc(fnic, wq, io_req, sc, sg_count);
+        if (ret) {
+                /*
+                 * In case another thread cancelled the request,
+                 * refetch the pointer under the lock.
+                 */
+                spinlock_t *io_lock = fnic_io_lock_hash(fnic, sc);
+
+                spin_lock_irqsave(io_lock, flags);
+                io_req = (struct fnic_io_req *)CMD_SP(sc);
+                CMD_SP(sc) = NULL;
+                CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE;
+                spin_unlock_irqrestore(io_lock, flags);
+                if (io_req) {
+                        fnic_release_ioreq_buf(fnic, io_req, sc);
+                        mempool_free(io_req, fnic->io_req_pool);
+                }
+        }
+out:
+        /* acquire host lock before returning to SCSI */
+        spin_lock(lp->host->host_lock);
+        return ret;
+}
+
+/*
+ * fnic_fcpio_fw_reset_cmpl_handler
+ * Routine to handle fw reset completion
+ */
+static int fnic_fcpio_fw_reset_cmpl_handler(struct fnic *fnic,
+                                            struct fcpio_fw_req *desc)
+{
+        u8 type;
+        u8 hdr_status;
+        struct fcpio_tag tag;
+        int ret = 0;
+        struct fc_frame *flogi;
+        unsigned long flags;
+
+        fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+
+        /* Clean up all outstanding io requests */
+        fnic_cleanup_io(fnic, SCSI_NO_TAG);
+
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+        flogi = fnic->flogi;
+        fnic->flogi = NULL;
+
+        /* fnic should be in FC_TRANS_ETH_MODE */
+        if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE) {
+                /* Check status of reset completion */
+                if (!hdr_status) {
+                        FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                                      "reset cmpl success\n");
+                        /* Ready to send flogi out */
+                        fnic->state = FNIC_IN_ETH_MODE;
+                } else {
+                        FNIC_SCSI_DBG(KERN_DEBUG,
+                                      fnic->lport->host,
+                                      "fnic fw_reset : failed %s\n",
+                                      fnic_fcpio_status_to_str(hdr_status));
+
+                        /*
+                         * Unable to change to eth mode, cannot send out flogi
+                         * Change state to fc mode, so that subsequent Flogi
+                         * requests from libFC will cause more attempts to
+                         * reset the firmware. Free the cached flogi
+                         */
+                        fnic->state = FNIC_IN_FC_MODE;
+                        ret = -1;
+                }
+        } else {
+                FNIC_SCSI_DBG(KERN_DEBUG,
+                              fnic->lport->host,
+                              "Unexpected state %s while processing"
+                              " reset cmpl\n", fnic_state_to_str(fnic->state));
+                ret = -1;
+        }
+
+        /* Thread removing device blocks till firmware reset is complete */
+        if (fnic->remove_wait)
+                complete(fnic->remove_wait);
+
+        /*
+         * If fnic is being removed, or fw reset failed
+         * free the flogi frame. Else, send it out
+         */
+        if (fnic->remove_wait || ret) {
+                fnic->flogi_oxid = FC_XID_UNKNOWN;
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                if (flogi)
+                        dev_kfree_skb_irq(fp_skb(flogi));
+                goto reset_cmpl_handler_end;
+        }
+
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+        if (flogi)
+                ret = fnic_send_frame(fnic, flogi);
+
+ reset_cmpl_handler_end:
+        return ret;
+}
+
+/*
+ * fnic_fcpio_flogi_reg_cmpl_handler
+ * Routine to handle flogi register completion
+ */
+static int fnic_fcpio_flogi_reg_cmpl_handler(struct fnic *fnic,
+                                             struct fcpio_fw_req *desc)
+{
+        u8 type;
+        u8 hdr_status;
+        struct fcpio_tag tag;
+        int ret = 0;
+        struct fc_frame *flogi_resp = NULL;
+        unsigned long flags;
+        struct sk_buff *skb;
+
+        fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+
+        /* Update fnic state based on status of flogi reg completion */
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+
+        flogi_resp = fnic->flogi_resp;
+        fnic->flogi_resp = NULL;
+
+        if (fnic->state == FNIC_IN_ETH_TRANS_FC_MODE) {
+
+                /* Check flogi registration completion status */
+                if (!hdr_status) {
+                        FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                                      "flog reg succeeded\n");
+                        fnic->state = FNIC_IN_FC_MODE;
+                } else {
+                        FNIC_SCSI_DBG(KERN_DEBUG,
+                                      fnic->lport->host,
+                                      "fnic flogi reg :failed %s\n",
+                                      fnic_fcpio_status_to_str(hdr_status));
+                        fnic->state = FNIC_IN_ETH_MODE;
+                        ret = -1;
+                }
+        } else {
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "Unexpected fnic state %s while"
+                              " processing flogi reg completion\n",
+                              fnic_state_to_str(fnic->state));
+                ret = -1;
+        }
+
+        /* Successful flogi reg cmpl, pass frame to LibFC */
+        if (!ret && flogi_resp) {
+                if (fnic->stop_rx_link_events) {
+                        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                        goto reg_cmpl_handler_end;
+                }
+                skb = (struct sk_buff *)flogi_resp;
+                /* Use fr_flags to indicate whether flogi resp or not */
+                fr_flags(flogi_resp) = 1;
+                fr_dev(flogi_resp) = fnic->lport;
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+                skb_queue_tail(&fnic->frame_queue, skb);
+                queue_work(fnic_event_queue, &fnic->frame_work);
+
+        } else {
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                if (flogi_resp)
+                        dev_kfree_skb_irq(fp_skb(flogi_resp));
+        }
+
+reg_cmpl_handler_end:
+        return ret;
+}
+
+static inline int is_ack_index_in_range(struct vnic_wq_copy *wq,
+                                        u16 request_out)
+{
+        if (wq->to_clean_index <= wq->to_use_index) {
+                /* out of range, stale request_out index */
+                if (request_out < wq->to_clean_index ||
+                    request_out >= wq->to_use_index)
+                        return 0;
+        } else {
+                /* out of range, stale request_out index */
+                if (request_out < wq->to_clean_index &&
+                    request_out >= wq->to_use_index)
+                        return 0;
+        }
+        /* request_out index is in range */
+        return 1;
+}
+
+
+/*
+ * Mark that ack received and store the Ack index. If there are multiple
+ * acks received before Tx thread cleans it up, the latest value will be
+ * used which is correct behavior. This state should be in the copy Wq
+ * instead of in the fnic
+ */
+static inline void fnic_fcpio_ack_handler(struct fnic *fnic,
+                                          unsigned int cq_index,
+                                          struct fcpio_fw_req *desc)
+{
+        struct vnic_wq_copy *wq;
+        u16 request_out = desc->u.ack.request_out;
+        unsigned long flags;
+
+        /* mark the ack state */
+        wq = &fnic->wq_copy[cq_index - fnic->raw_wq_count - fnic->rq_count];
+        spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+        if (is_ack_index_in_range(wq, request_out)) {
+                fnic->fw_ack_index[0] = request_out;
+                fnic->fw_ack_recd[0] = 1;
+        }
+        spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+}
+
+/*
+ * fnic_fcpio_icmnd_cmpl_handler
+ * Routine to handle icmnd completions
+ */
+static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
+                                         struct fcpio_fw_req *desc)
+{
+        u8 type;
+        u8 hdr_status;
+        struct fcpio_tag tag;
+        u32 id;
+        u64 xfer_len = 0;
+        struct fcpio_icmnd_cmpl *icmnd_cmpl;
+        struct fnic_io_req *io_req;
+        struct scsi_cmnd *sc;
+        unsigned long flags;
+        spinlock_t *io_lock;
+
+        /* Decode the cmpl description to get the io_req id */
+        fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+        fcpio_tag_id_dec(&tag, &id);
+
+        if (id >= FNIC_MAX_IO_REQ)
+                return;
+
+        sc = scsi_host_find_tag(fnic->lport->host, id);
+        WARN_ON_ONCE(!sc);
+        if (!sc)
+                return;
+
+        io_lock = fnic_io_lock_hash(fnic, sc);
+        spin_lock_irqsave(io_lock, flags);
+        io_req = (struct fnic_io_req *)CMD_SP(sc);
+        WARN_ON_ONCE(!io_req);
+        if (!io_req) {
+                spin_unlock_irqrestore(io_lock, flags);
+                return;
+        }
+
+        /* firmware completed the io */
+        io_req->io_completed = 1;
+
+        /*
+         *  if SCSI-ML has already issued abort on this command,
+         * ignore completion of the IO. The abts path will clean it up
+         */
+        if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+                spin_unlock_irqrestore(io_lock, flags);
+                return;
+        }
+
+        /* Mark the IO as complete */
+        CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE;
+
+        icmnd_cmpl = &desc->u.icmnd_cmpl;
+
+        switch (hdr_status) {
+        case FCPIO_SUCCESS:
+                sc->result = (DID_OK << 16) | icmnd_cmpl->scsi_status;
+                xfer_len = scsi_bufflen(sc);
+                scsi_set_resid(sc, icmnd_cmpl->residual);
+
+                if (icmnd_cmpl->flags & FCPIO_ICMND_CMPL_RESID_UNDER)
+                        xfer_len -= icmnd_cmpl->residual;
+
+                /*
+                 * If queue_full, then try to reduce queue depth for all
+                 * LUNS on the target. Todo: this should be accompanied
+                 * by a periodic queue_depth rampup based on successful
+                 * IO completion.
+                 */
+                if (icmnd_cmpl->scsi_status == QUEUE_FULL) {
+                        struct scsi_device *t_sdev;
+                        int qd = 0;
+
+                        shost_for_each_device(t_sdev, sc->device->host) {
+                                if (t_sdev->id != sc->device->id)
+                                        continue;
+
+                                if (t_sdev->queue_depth > 1) {
+                                        qd = scsi_track_queue_full
+                                                (t_sdev,
+                                                 t_sdev->queue_depth - 1);
+                                        if (qd == -1)
+                                                qd = t_sdev->host->cmd_per_lun;
+                                        shost_printk(KERN_INFO,
+                                                     fnic->lport->host,
+                                                     "scsi[%d:%d:%d:%d"
+                                                     "] queue full detected,"
+                                                     "new depth = %d\n",
+                                                     t_sdev->host->host_no,
+                                                     t_sdev->channel,
+                                                     t_sdev->id, t_sdev->lun,
+                                                     t_sdev->queue_depth);
+                                }
+                        }
+                }
+                break;
+
+        case FCPIO_TIMEOUT:          /* request was timed out */
+                sc->result = (DID_TIME_OUT << 16) | icmnd_cmpl->scsi_status;
+                break;
+
+        case FCPIO_ABORTED:          /* request was aborted */
+                sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status;
+                break;
+
+        case FCPIO_DATA_CNT_MISMATCH: /* recv/sent more/less data than exp. */
+                scsi_set_resid(sc, icmnd_cmpl->residual);
+                sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status;
+                break;
+
+        case FCPIO_OUT_OF_RESOURCE:  /* out of resources to complete request */
+                sc->result = (DID_REQUEUE << 16) | icmnd_cmpl->scsi_status;
+                break;
+        case FCPIO_INVALID_HEADER:   /* header contains invalid data */
+        case FCPIO_INVALID_PARAM:    /* some parameter in request invalid */
+        case FCPIO_REQ_NOT_SUPPORTED:/* request type is not supported */
+        case FCPIO_IO_NOT_FOUND:     /* requested I/O was not found */
+        case FCPIO_SGL_INVALID:      /* request was aborted due to sgl error */
+        case FCPIO_MSS_INVALID:      /* request was aborted due to mss error */
+        case FCPIO_FW_ERR:           /* request was terminated due fw error */
+        default:
+                shost_printk(KERN_ERR, fnic->lport->host, "hdr status = %s\n",
+                             fnic_fcpio_status_to_str(hdr_status));
+                sc->result = (DID_ERROR << 16) | icmnd_cmpl->scsi_status;
+                break;
+        }
+
+        /* Break link with the SCSI command */
+        CMD_SP(sc) = NULL;
+
+        spin_unlock_irqrestore(io_lock, flags);
+
+        fnic_release_ioreq_buf(fnic, io_req, sc);
+
+        mempool_free(io_req, fnic->io_req_pool);
+
+        if (sc->sc_data_direction == DMA_FROM_DEVICE) {
+                fnic->lport->host_stats.fcp_input_requests++;
+                fnic->fcp_input_bytes += xfer_len;
+        } else if (sc->sc_data_direction == DMA_TO_DEVICE) {
+                fnic->lport->host_stats.fcp_output_requests++;
+                fnic->fcp_output_bytes += xfer_len;
+        } else
+                fnic->lport->host_stats.fcp_control_requests++;
+
+        /* Call SCSI completion function to complete the IO */
+        if (sc->scsi_done)
+                sc->scsi_done(sc);
+
+}
+
+/* fnic_fcpio_itmf_cmpl_handler
+ * Routine to handle itmf completions
+ */
+static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
+                                        struct fcpio_fw_req *desc)
+{
+        u8 type;
+        u8 hdr_status;
+        struct fcpio_tag tag;
+        u32 id;
+        struct scsi_cmnd *sc;
+        struct fnic_io_req *io_req;
+        unsigned long flags;
+        spinlock_t *io_lock;
+
+        fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
+        fcpio_tag_id_dec(&tag, &id);
+
+        if ((id & FNIC_TAG_MASK) >= FNIC_MAX_IO_REQ)
+                return;
+
+        sc = scsi_host_find_tag(fnic->lport->host, id & FNIC_TAG_MASK);
+        WARN_ON_ONCE(!sc);
+        if (!sc)
+                return;
+
+        io_lock = fnic_io_lock_hash(fnic, sc);
+        spin_lock_irqsave(io_lock, flags);
+        io_req = (struct fnic_io_req *)CMD_SP(sc);
+        WARN_ON_ONCE(!io_req);
+        if (!io_req) {
+                spin_unlock_irqrestore(io_lock, flags);
+                return;
+        }
+
+        if (id & FNIC_TAG_ABORT) {
+                /* Completion of abort cmd */
+                if (CMD_STATE(sc) != FNIC_IOREQ_ABTS_PENDING) {
+                        /* This is a late completion. Ignore it */
+                        spin_unlock_irqrestore(io_lock, flags);
+                        return;
+                }
+                CMD_STATE(sc) = FNIC_IOREQ_ABTS_COMPLETE;
+                CMD_ABTS_STATUS(sc) = hdr_status;
+
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "abts cmpl recd. id %d status %s\n",
+                              (int)(id & FNIC_TAG_MASK),
+                              fnic_fcpio_status_to_str(hdr_status));
+
+                /*
+                 * If scsi_eh thread is blocked waiting for abts to complete,
+                 * signal completion to it. IO will be cleaned in the thread
+                 * else clean it in this context
+                 */
+                if (io_req->abts_done) {
+                        complete(io_req->abts_done);
+                        spin_unlock_irqrestore(io_lock, flags);
+                } else {
+                        FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                                      "abts cmpl, completing IO\n");
+                        CMD_SP(sc) = NULL;
+                        sc->result = (DID_ERROR << 16);
+
+                        spin_unlock_irqrestore(io_lock, flags);
+
+                        fnic_release_ioreq_buf(fnic, io_req, sc);
+                        mempool_free(io_req, fnic->io_req_pool);
+                        if (sc->scsi_done)
+                                sc->scsi_done(sc);
+                }
+
+        } else if (id & FNIC_TAG_DEV_RST) {
+                /* Completion of device reset */
+                CMD_LR_STATUS(sc) = hdr_status;
+                CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE;
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "dev reset cmpl recd. id %d status %s\n",
+                              (int)(id & FNIC_TAG_MASK),
+                              fnic_fcpio_status_to_str(hdr_status));
+                if (io_req->dr_done)
+                        complete(io_req->dr_done);
+                spin_unlock_irqrestore(io_lock, flags);
+
+        } else {
+                shost_printk(KERN_ERR, fnic->lport->host,
+                             "Unexpected itmf io state %s tag %x\n",
+                             fnic_ioreq_state_to_str(CMD_STATE(sc)), id);
+                spin_unlock_irqrestore(io_lock, flags);
+        }
+
+}
+
+/*
+ * fnic_fcpio_cmpl_handler
+ * Routine to service the cq for wq_copy
+ */
+static int fnic_fcpio_cmpl_handler(struct vnic_dev *vdev,
+                                   unsigned int cq_index,
+                                   struct fcpio_fw_req *desc)
+{
+        struct fnic *fnic = vnic_dev_priv(vdev);
+        int ret = 0;
+
+        switch (desc->hdr.type) {
+        case FCPIO_ACK: /* fw copied copy wq desc to its queue */
+                fnic_fcpio_ack_handler(fnic, cq_index, desc);
+                break;
+
+        case FCPIO_ICMND_CMPL: /* fw completed a command */
+                fnic_fcpio_icmnd_cmpl_handler(fnic, desc);
+                break;
+
+        case FCPIO_ITMF_CMPL: /* fw completed itmf (abort cmd, lun reset)*/
+                fnic_fcpio_itmf_cmpl_handler(fnic, desc);
+                break;
+
+        case FCPIO_FLOGI_REG_CMPL: /* fw completed flogi_reg */
+                ret = fnic_fcpio_flogi_reg_cmpl_handler(fnic, desc);
+                break;
+
+        case FCPIO_RESET_CMPL: /* fw completed reset */
+                ret = fnic_fcpio_fw_reset_cmpl_handler(fnic, desc);
+                break;
+
+        default:
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "firmware completion type %d\n",
+                              desc->hdr.type);
+                break;
+        }
+
+        return ret;
+}
+
+/*
+ * fnic_wq_copy_cmpl_handler
+ * Routine to process wq copy
+ */
+int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do)
+{
+        unsigned int wq_work_done = 0;
+        unsigned int i, cq_index;
+        unsigned int cur_work_done;
+
+        for (i = 0; i < fnic->wq_copy_count; i++) {
+                cq_index = i + fnic->raw_wq_count + fnic->rq_count;
+                cur_work_done = vnic_cq_copy_service(&fnic->cq[cq_index],
+                                                     fnic_fcpio_cmpl_handler,
+                                                     copy_work_to_do);
+                wq_work_done += cur_work_done;
+        }
+        return wq_work_done;
+}
+
+static void fnic_cleanup_io(struct fnic *fnic, int exclude_id)
+{
+        unsigned int i;
+        struct fnic_io_req *io_req;
+        unsigned long flags = 0;
+        struct scsi_cmnd *sc;
+        spinlock_t *io_lock;
+
+        for (i = 0; i < FNIC_MAX_IO_REQ; i++) {
+                if (i == exclude_id)
+                        continue;
+
+                sc = scsi_host_find_tag(fnic->lport->host, i);
+                if (!sc)
+                        continue;
+
+                io_lock = fnic_io_lock_hash(fnic, sc);
+                spin_lock_irqsave(io_lock, flags);
+                io_req = (struct fnic_io_req *)CMD_SP(sc);
+                if (!io_req) {
+                        spin_unlock_irqrestore(io_lock, flags);
+                        goto cleanup_scsi_cmd;
+                }
+
+                CMD_SP(sc) = NULL;
+
+                spin_unlock_irqrestore(io_lock, flags);
+
+                /*
+                 * If there is a scsi_cmnd associated with this io_req, then
+                 * free the corresponding state
+                 */
+                fnic_release_ioreq_buf(fnic, io_req, sc);
+                mempool_free(io_req, fnic->io_req_pool);
+
+cleanup_scsi_cmd:
+                sc->result = DID_TRANSPORT_DISRUPTED << 16;
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "fnic_cleanup_io:"
+                              " DID_TRANSPORT_DISRUPTED\n");
+
+                /* Complete the command to SCSI */
+                if (sc->scsi_done)
+                        sc->scsi_done(sc);
+        }
+}
+
+void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
+                                  struct fcpio_host_req *desc)
+{
+        u32 id;
+        struct fnic *fnic = vnic_dev_priv(wq->vdev);
+        struct fnic_io_req *io_req;
+        struct scsi_cmnd *sc;
+        unsigned long flags;
+        spinlock_t *io_lock;
+
+        /* get the tag reference */
+        fcpio_tag_id_dec(&desc->hdr.tag, &id);
+        id &= FNIC_TAG_MASK;
+
+        if (id >= FNIC_MAX_IO_REQ)
+                return;
+
+        sc = scsi_host_find_tag(fnic->lport->host, id);
+        if (!sc)
+                return;
+
+        io_lock = fnic_io_lock_hash(fnic, sc);
+        spin_lock_irqsave(io_lock, flags);
+
+        /* Get the IO context which this desc refers to */
+        io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+        /* fnic interrupts are turned off by now */
+
+        if (!io_req) {
+                spin_unlock_irqrestore(io_lock, flags);
+                goto wq_copy_cleanup_scsi_cmd;
+        }
+
+        CMD_SP(sc) = NULL;
+
+        spin_unlock_irqrestore(io_lock, flags);
+
+        fnic_release_ioreq_buf(fnic, io_req, sc);
+        mempool_free(io_req, fnic->io_req_pool);
+
+wq_copy_cleanup_scsi_cmd:
+        sc->result = DID_NO_CONNECT << 16;
+        FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "wq_copy_cleanup_handler:"
+                      " DID_NO_CONNECT\n");
+
+        if (sc->scsi_done)
+                sc->scsi_done(sc);
+}
+
+static inline int fnic_queue_abort_io_req(struct fnic *fnic, int tag,
+                                          u32 task_req, u8 *fc_lun,
+                                          struct fnic_io_req *io_req)
+{
+        struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+        unsigned long flags;
+
+        spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+
+        if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+                free_wq_copy_descs(fnic, wq);
+
+        if (!vnic_wq_copy_desc_avail(wq)) {
+                spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+                return 1;
+        }
+        fnic_queue_wq_copy_desc_itmf(wq, tag | FNIC_TAG_ABORT,
+                                     0, task_req, tag, fc_lun, io_req->port_id,
+                                     fnic->config.ra_tov, fnic->config.ed_tov);
+
+        spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+        return 0;
+}
+
+void fnic_rport_exch_reset(struct fnic *fnic, u32 port_id)
+{
+        int tag;
+        struct fnic_io_req *io_req;
+        spinlock_t *io_lock;
+        unsigned long flags;
+        struct scsi_cmnd *sc;
+        struct scsi_lun fc_lun;
+        enum fnic_ioreq_state old_ioreq_state;
+
+        FNIC_SCSI_DBG(KERN_DEBUG,
+                      fnic->lport->host,
+                      "fnic_rport_reset_exch called portid 0x%06x\n",
+                      port_id);
+
+        if (fnic->in_remove)
+                return;
+
+        for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) {
+                sc = scsi_host_find_tag(fnic->lport->host, tag);
+                if (!sc)
+                        continue;
+
+                io_lock = fnic_io_lock_hash(fnic, sc);
+                spin_lock_irqsave(io_lock, flags);
+
+                io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+                if (!io_req || io_req->port_id != port_id) {
+                        spin_unlock_irqrestore(io_lock, flags);
+                        continue;
+                }
+
+                /*
+                 * Found IO that is still pending with firmware and
+                 * belongs to rport that went away
+                 */
+                if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+                        spin_unlock_irqrestore(io_lock, flags);
+                        continue;
+                }
+                old_ioreq_state = CMD_STATE(sc);
+                CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING;
+                CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+
+                BUG_ON(io_req->abts_done);
+
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "fnic_rport_reset_exch: Issuing abts\n");
+
+                spin_unlock_irqrestore(io_lock, flags);
+
+                /* Now queue the abort command to firmware */
+                int_to_scsilun(sc->device->lun, &fc_lun);
+
+                if (fnic_queue_abort_io_req(fnic, tag,
+                                            FCPIO_ITMF_ABT_TASK_TERM,
+                                            fc_lun.scsi_lun, io_req)) {
+                        /*
+                         * Revert the cmd state back to old state, if
+                         * it hasnt changed in between. This cmd will get
+                         * aborted later by scsi_eh, or cleaned up during
+                         * lun reset
+                         */
+                        io_lock = fnic_io_lock_hash(fnic, sc);
+
+                        spin_lock_irqsave(io_lock, flags);
+                        if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING)
+                                CMD_STATE(sc) = old_ioreq_state;
+                        spin_unlock_irqrestore(io_lock, flags);
+                }
+        }
+
+}
+
+void fnic_terminate_rport_io(struct fc_rport *rport)
+{
+        int tag;
+        struct fnic_io_req *io_req;
+        spinlock_t *io_lock;
+        unsigned long flags;
+        struct scsi_cmnd *sc;
+        struct scsi_lun fc_lun;
+        struct fc_rport_libfc_priv *rdata = rport->dd_data;
+        struct fc_lport *lport = rdata->local_port;
+        struct fnic *fnic = lport_priv(lport);
+        struct fc_rport *cmd_rport;
+        enum fnic_ioreq_state old_ioreq_state;
+
+        FNIC_SCSI_DBG(KERN_DEBUG,
+                      fnic->lport->host, "fnic_terminate_rport_io called"
+                      " wwpn 0x%llx, wwnn0x%llx, portid 0x%06x\n",
+                      rport->port_name, rport->node_name,
+                      rport->port_id);
+
+        if (fnic->in_remove)
+                return;
+
+        for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) {
+                sc = scsi_host_find_tag(fnic->lport->host, tag);
+                if (!sc)
+                        continue;
+
+                cmd_rport = starget_to_rport(scsi_target(sc->device));
+                if (rport != cmd_rport)
+                        continue;
+
+                io_lock = fnic_io_lock_hash(fnic, sc);
+                spin_lock_irqsave(io_lock, flags);
+
+                io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+                if (!io_req || rport != cmd_rport) {
+                        spin_unlock_irqrestore(io_lock, flags);
+                        continue;
+                }
+
+                /*
+                 * Found IO that is still pending with firmware and
+                 * belongs to rport that went away
+                 */
+                if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+                        spin_unlock_irqrestore(io_lock, flags);
+                        continue;
+                }
+                old_ioreq_state = CMD_STATE(sc);
+                CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING;
+                CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+
+                BUG_ON(io_req->abts_done);
+
+                FNIC_SCSI_DBG(KERN_DEBUG,
+                              fnic->lport->host,
+                              "fnic_terminate_rport_io: Issuing abts\n");
+
+                spin_unlock_irqrestore(io_lock, flags);
+
+                /* Now queue the abort command to firmware */
+                int_to_scsilun(sc->device->lun, &fc_lun);
+
+                if (fnic_queue_abort_io_req(fnic, tag,
+                                            FCPIO_ITMF_ABT_TASK_TERM,
+                                            fc_lun.scsi_lun, io_req)) {
+                        /*
+                         * Revert the cmd state back to old state, if
+                         * it hasnt changed in between. This cmd will get
+                         * aborted later by scsi_eh, or cleaned up during
+                         * lun reset
+                         */
+                        io_lock = fnic_io_lock_hash(fnic, sc);
+
+                        spin_lock_irqsave(io_lock, flags);
+                        if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING)
+                                CMD_STATE(sc) = old_ioreq_state;
+                        spin_unlock_irqrestore(io_lock, flags);
+                }
+        }
+
+}
+
+static void fnic_block_error_handler(struct scsi_cmnd *sc)
+{
+        struct Scsi_Host *shost = sc->device->host;
+        struct fc_rport *rport = starget_to_rport(scsi_target(sc->device));
+        unsigned long flags;
+
+        spin_lock_irqsave(shost->host_lock, flags);
+        while (rport->port_state == FC_PORTSTATE_BLOCKED) {
+                spin_unlock_irqrestore(shost->host_lock, flags);
+                msleep(1000);
+                spin_lock_irqsave(shost->host_lock, flags);
+        }
+        spin_unlock_irqrestore(shost->host_lock, flags);
+
+}
+
+/*
+ * This function is exported to SCSI for sending abort cmnds.
+ * A SCSI IO is represented by a io_req in the driver.
+ * The ioreq is linked to the SCSI Cmd, thus a link with the ULP's IO.
+ */
+int fnic_abort_cmd(struct scsi_cmnd *sc)
+{
+        struct fc_lport *lp;
+        struct fnic *fnic;
+        struct fnic_io_req *io_req;
+        struct fc_rport *rport;
+        spinlock_t *io_lock;
+        unsigned long flags;
+        int ret = SUCCESS;
+        u32 task_req;
+        struct scsi_lun fc_lun;
+        DECLARE_COMPLETION_ONSTACK(tm_done);
+
+        /* Wait for rport to unblock */
+        fnic_block_error_handler(sc);
+
+        /* Get local-port, check ready and link up */
+        lp = shost_priv(sc->device->host);
+
+        fnic = lport_priv(lp);
+        FNIC_SCSI_DBG(KERN_DEBUG,
+                      fnic->lport->host,
+                      "Abort Cmd called FCID 0x%x, LUN 0x%x TAG %d\n",
+                      (starget_to_rport(scsi_target(sc->device)))->port_id,
+                      sc->device->lun, sc->request->tag);
+
+        if (lp->state != LPORT_ST_READY || !(lp->link_up)) {
+                ret = FAILED;
+                goto fnic_abort_cmd_end;
+        }
+
+        /*
+         * Avoid a race between SCSI issuing the abort and the device
+         * completing the command.
+         *
+         * If the command is already completed by the fw cmpl code,
+         * we just return SUCCESS from here. This means that the abort
+         * succeeded. In the SCSI ML, since the timeout for command has
+         * happened, the completion wont actually complete the command
+         * and it will be considered as an aborted command
+         *
+         * The CMD_SP will not be cleared except while holding io_req_lock.
+         */
+        io_lock = fnic_io_lock_hash(fnic, sc);
+        spin_lock_irqsave(io_lock, flags);
+        io_req = (struct fnic_io_req *)CMD_SP(sc);
+        if (!io_req) {
+                spin_unlock_irqrestore(io_lock, flags);
+                goto fnic_abort_cmd_end;
+        }
+
+        io_req->abts_done = &tm_done;
+
+        if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+                spin_unlock_irqrestore(io_lock, flags);
+                goto wait_pending;
+        }
+        /*
+         * Command is still pending, need to abort it
+         * If the firmware completes the command after this point,
+         * the completion wont be done till mid-layer, since abort
+         * has already started.
+         */
+        CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING;
+        CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+
+        spin_unlock_irqrestore(io_lock, flags);
+
+        /*
+         * Check readiness of the remote port. If the path to remote
+         * port is up, then send abts to the remote port to terminate
+         * the IO. Else, just locally terminate the IO in the firmware
+         */
+        rport = starget_to_rport(scsi_target(sc->device));
+        if (fc_remote_port_chkready(rport) == 0)
+                task_req = FCPIO_ITMF_ABT_TASK;
+        else
+                task_req = FCPIO_ITMF_ABT_TASK_TERM;
+
+        /* Now queue the abort command to firmware */
+        int_to_scsilun(sc->device->lun, &fc_lun);
+
+        if (fnic_queue_abort_io_req(fnic, sc->request->tag, task_req,
+                                    fc_lun.scsi_lun, io_req)) {
+                spin_lock_irqsave(io_lock, flags);
+                io_req = (struct fnic_io_req *)CMD_SP(sc);
+                if (io_req)
+                        io_req->abts_done = NULL;
+                spin_unlock_irqrestore(io_lock, flags);
+                ret = FAILED;
+                goto fnic_abort_cmd_end;
+        }
+
+        /*
+         * We queued an abort IO, wait for its completion.
+         * Once the firmware completes the abort command, it will
+         * wake up this thread.
+         */
+ wait_pending:
+        wait_for_completion_timeout(&tm_done,
+                                    msecs_to_jiffies
+                                    (2 * fnic->config.ra_tov +
+                                     fnic->config.ed_tov));
+
+        /* Check the abort status */
+        spin_lock_irqsave(io_lock, flags);
+
+        io_req = (struct fnic_io_req *)CMD_SP(sc);
+        if (!io_req) {
+                spin_unlock_irqrestore(io_lock, flags);
+                ret = FAILED;
+                goto fnic_abort_cmd_end;
+        }
+        io_req->abts_done = NULL;
+
+        /* fw did not complete abort, timed out */
+        if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+                spin_unlock_irqrestore(io_lock, flags);
+                ret = FAILED;
+                goto fnic_abort_cmd_end;
+        }
+
+        /*
+         * firmware completed the abort, check the status,
+         * free the io_req irrespective of failure or success
+         */
+        if (CMD_ABTS_STATUS(sc) != FCPIO_SUCCESS)
+                ret = FAILED;
+
+        CMD_SP(sc) = NULL;
+
+        spin_unlock_irqrestore(io_lock, flags);
+
+        fnic_release_ioreq_buf(fnic, io_req, sc);
+        mempool_free(io_req, fnic->io_req_pool);
+
+fnic_abort_cmd_end:
+        FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                      "Returning from abort cmd %s\n",
+                      (ret == SUCCESS) ?
+                      "SUCCESS" : "FAILED");
+        return ret;
+}
+
+static inline int fnic_queue_dr_io_req(struct fnic *fnic,
+                                       struct scsi_cmnd *sc,
+                                       struct fnic_io_req *io_req)
+{
+        struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+        struct scsi_lun fc_lun;
+        int ret = 0;
+        unsigned long intr_flags;
+
+        spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags);
+
+        if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
+                free_wq_copy_descs(fnic, wq);
+
+        if (!vnic_wq_copy_desc_avail(wq)) {
+                ret = -EAGAIN;
+                goto lr_io_req_end;
+        }
+
+        /* fill in the lun info */
+        int_to_scsilun(sc->device->lun, &fc_lun);
+
+        fnic_queue_wq_copy_desc_itmf(wq, sc->request->tag | FNIC_TAG_DEV_RST,
+                                     0, FCPIO_ITMF_LUN_RESET, SCSI_NO_TAG,
+                                     fc_lun.scsi_lun, io_req->port_id,
+                                     fnic->config.ra_tov, fnic->config.ed_tov);
+
+lr_io_req_end:
+        spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
+
+        return ret;
+}
+
+/*
+ * Clean up any pending aborts on the lun
+ * For each outstanding IO on this lun, whose abort is not completed by fw,
+ * issue a local abort. Wait for abort to complete. Return 0 if all commands
+ * successfully aborted, 1 otherwise
+ */
+static int fnic_clean_pending_aborts(struct fnic *fnic,
+                                     struct scsi_cmnd *lr_sc)
+{
+        int tag;
+        struct fnic_io_req *io_req;
+        spinlock_t *io_lock;
+        unsigned long flags;
+        int ret = 0;
+        struct scsi_cmnd *sc;
+        struct fc_rport *rport;
+        struct scsi_lun fc_lun;
+        struct scsi_device *lun_dev = lr_sc->device;
+        DECLARE_COMPLETION_ONSTACK(tm_done);
+
+        for (tag = 0; tag < FNIC_MAX_IO_REQ; tag++) {
+                sc = scsi_host_find_tag(fnic->lport->host, tag);
+                /*
+                 * ignore this lun reset cmd or cmds that do not belong to
+                 * this lun
+                 */
+                if (!sc || sc == lr_sc || sc->device != lun_dev)
+                        continue;
+
+                io_lock = fnic_io_lock_hash(fnic, sc);
+                spin_lock_irqsave(io_lock, flags);
+
+                io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+                if (!io_req || sc->device != lun_dev) {
+                        spin_unlock_irqrestore(io_lock, flags);
+                        continue;
+                }
+
+                /*
+                 * Found IO that is still pending with firmware and
+                 * belongs to the LUN that we are resetting
+                 */
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "Found IO in %s on lun\n",
+                              fnic_ioreq_state_to_str(CMD_STATE(sc)));
+
+                BUG_ON(CMD_STATE(sc) != FNIC_IOREQ_ABTS_PENDING);
+
+                CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE;
+                io_req->abts_done = &tm_done;
+                spin_unlock_irqrestore(io_lock, flags);
+
+                /* Now queue the abort command to firmware */
+                int_to_scsilun(sc->device->lun, &fc_lun);
+                rport = starget_to_rport(scsi_target(sc->device));
+
+                if (fnic_queue_abort_io_req(fnic, tag,
+                                            FCPIO_ITMF_ABT_TASK_TERM,
+                                            fc_lun.scsi_lun, io_req)) {
+                        spin_lock_irqsave(io_lock, flags);
+                        io_req = (struct fnic_io_req *)CMD_SP(sc);
+                        if (io_req)
+                                io_req->abts_done = NULL;
+                        spin_unlock_irqrestore(io_lock, flags);
+                        ret = 1;
+                        goto clean_pending_aborts_end;
+                }
+
+                wait_for_completion_timeout(&tm_done,
+                                            msecs_to_jiffies
+                                            (fnic->config.ed_tov));
+
+                /* Recheck cmd state to check if it is now aborted */
+                spin_lock_irqsave(io_lock, flags);
+                io_req = (struct fnic_io_req *)CMD_SP(sc);
+                if (!io_req) {
+                        spin_unlock_irqrestore(io_lock, flags);
+                        ret = 1;
+                        goto clean_pending_aborts_end;
+                }
+
+                io_req->abts_done = NULL;
+
+                /* if abort is still pending with fw, fail */
+                if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) {
+                        spin_unlock_irqrestore(io_lock, flags);
+                        ret = 1;
+                        goto clean_pending_aborts_end;
+                }
+                CMD_SP(sc) = NULL;
+                spin_unlock_irqrestore(io_lock, flags);
+
+                fnic_release_ioreq_buf(fnic, io_req, sc);
+                mempool_free(io_req, fnic->io_req_pool);
+        }
+
+clean_pending_aborts_end:
+        return ret;
+}
+
+/*
+ * SCSI Eh thread issues a Lun Reset when one or more commands on a LUN
+ * fail to get aborted. It calls driver's eh_device_reset with a SCSI command
+ * on the LUN.
+ */
+int fnic_device_reset(struct scsi_cmnd *sc)
+{
+        struct fc_lport *lp;
+        struct fnic *fnic;
+        struct fnic_io_req *io_req;
+        struct fc_rport *rport;
+        int status;
+        int ret = FAILED;
+        spinlock_t *io_lock;
+        unsigned long flags;
+        DECLARE_COMPLETION_ONSTACK(tm_done);
+
+        /* Wait for rport to unblock */
+        fnic_block_error_handler(sc);
+
+        /* Get local-port, check ready and link up */
+        lp = shost_priv(sc->device->host);
+
+        fnic = lport_priv(lp);
+        FNIC_SCSI_DBG(KERN_DEBUG,
+                      fnic->lport->host,
+                      "Device reset called FCID 0x%x, LUN 0x%x\n",
+                      (starget_to_rport(scsi_target(sc->device)))->port_id,
+                      sc->device->lun);
+
+
+        if (lp->state != LPORT_ST_READY || !(lp->link_up))
+                goto fnic_device_reset_end;
+
+        /* Check if remote port up */
+        rport = starget_to_rport(scsi_target(sc->device));
+        if (fc_remote_port_chkready(rport))
+                goto fnic_device_reset_end;
+
+        io_lock = fnic_io_lock_hash(fnic, sc);
+        spin_lock_irqsave(io_lock, flags);
+        io_req = (struct fnic_io_req *)CMD_SP(sc);
+
+        /*
+         * If there is a io_req attached to this command, then use it,
+         * else allocate a new one.
+         */
+        if (!io_req) {
+                io_req = mempool_alloc(fnic->io_req_pool, GFP_ATOMIC);
+                if (!io_req) {
+                        spin_unlock_irqrestore(io_lock, flags);
+                        goto fnic_device_reset_end;
+                }
+                memset(io_req, 0, sizeof(*io_req));
+                io_req->port_id = rport->port_id;
+                CMD_SP(sc) = (char *)io_req;
+        }
+        io_req->dr_done = &tm_done;
+        CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING;
+        CMD_LR_STATUS(sc) = FCPIO_INVALID_CODE;
+        spin_unlock_irqrestore(io_lock, flags);
+
+        FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "TAG %d\n",
+                      sc->request->tag);
+
+        /*
+         * issue the device reset, if enqueue failed, clean up the ioreq
+         * and break assoc with scsi cmd
+         */
+        if (fnic_queue_dr_io_req(fnic, sc, io_req)) {
+                spin_lock_irqsave(io_lock, flags);
+                io_req = (struct fnic_io_req *)CMD_SP(sc);
+                if (io_req)
+                        io_req->dr_done = NULL;
+                goto fnic_device_reset_clean;
+        }
+
+        /*
+         * Wait on the local completion for LUN reset.  The io_req may be
+         * freed while we wait since we hold no lock.
+         */
+        wait_for_completion_timeout(&tm_done,
+                                    msecs_to_jiffies(FNIC_LUN_RESET_TIMEOUT));
+
+        spin_lock_irqsave(io_lock, flags);
+        io_req = (struct fnic_io_req *)CMD_SP(sc);
+        if (!io_req) {
+                spin_unlock_irqrestore(io_lock, flags);
+                goto fnic_device_reset_end;
+        }
+        io_req->dr_done = NULL;
+
+        status = CMD_LR_STATUS(sc);
+        spin_unlock_irqrestore(io_lock, flags);
+
+        /*
+         * If lun reset not completed, bail out with failed. io_req
+         * gets cleaned up during higher levels of EH
+         */
+        if (status == FCPIO_INVALID_CODE) {
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "Device reset timed out\n");
+                goto fnic_device_reset_end;
+        }
+
+        /* Completed, but not successful, clean up the io_req, return fail */
+        if (status != FCPIO_SUCCESS) {
+                spin_lock_irqsave(io_lock, flags);
+                FNIC_SCSI_DBG(KERN_DEBUG,
+                              fnic->lport->host,
+                              "Device reset completed - failed\n");
+                io_req = (struct fnic_io_req *)CMD_SP(sc);
+                goto fnic_device_reset_clean;
+        }
+
+        /*
+         * Clean up any aborts on this lun that have still not
+         * completed. If any of these fail, then LUN reset fails.
+         * clean_pending_aborts cleans all cmds on this lun except
+         * the lun reset cmd. If all cmds get cleaned, the lun reset
+         * succeeds
+         */
+        if (fnic_clean_pending_aborts(fnic, sc)) {
+                spin_lock_irqsave(io_lock, flags);
+                io_req = (struct fnic_io_req *)CMD_SP(sc);
+                FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                              "Device reset failed"
+                              " since could not abort all IOs\n");
+                goto fnic_device_reset_clean;
+        }
+
+        /* Clean lun reset command */
+        spin_lock_irqsave(io_lock, flags);
+        io_req = (struct fnic_io_req *)CMD_SP(sc);
+        if (io_req)
+                /* Completed, and successful */
+                ret = SUCCESS;
+
+fnic_device_reset_clean:
+        if (io_req)
+                CMD_SP(sc) = NULL;
+
+        spin_unlock_irqrestore(io_lock, flags);
+
+        if (io_req) {
+                fnic_release_ioreq_buf(fnic, io_req, sc);
+                mempool_free(io_req, fnic->io_req_pool);
+        }
+
+fnic_device_reset_end:
+        FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                      "Returning from device reset %s\n",
+                      (ret == SUCCESS) ?
+                      "SUCCESS" : "FAILED");
+        return ret;
+}
+
+/* Clean up all IOs, clean up libFC local port */
+int fnic_reset(struct Scsi_Host *shost)
+{
+        struct fc_lport *lp;
+        struct fnic *fnic;
+        int ret = SUCCESS;
+
+        lp = shost_priv(shost);
+        fnic = lport_priv(lp);
+
+        FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                      "fnic_reset called\n");
+
+        /*
+         * Reset local port, this will clean up libFC exchanges,
+         * reset remote port sessions, and if link is up, begin flogi
+         */
+        if (lp->tt.lport_reset(lp))
+                ret = FAILED;
+
+        FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                      "Returning from fnic reset %s\n",
+                      (ret == SUCCESS) ?
+                      "SUCCESS" : "FAILED");
+
+        return ret;
+}
+
+/*
+ * SCSI Error handling calls driver's eh_host_reset if all prior
+ * error handling levels return FAILED. If host reset completes
+ * successfully, and if link is up, then Fabric login begins.
+ *
+ * Host Reset is the highest level of error recovery. If this fails, then
+ * host is offlined by SCSI.
+ *
+ */
+int fnic_host_reset(struct scsi_cmnd *sc)
+{
+        int ret;
+        unsigned long wait_host_tmo;
+        struct Scsi_Host *shost = sc->device->host;
+        struct fc_lport *lp = shost_priv(shost);
+
+        /*
+         * If fnic_reset is successful, wait for fabric login to complete
+         * scsi-ml tries to send a TUR to every device if host reset is
+         * successful, so before returning to scsi, fabric should be up
+         */
+        ret = fnic_reset(shost);
+        if (ret == SUCCESS) {
+                wait_host_tmo = jiffies + FNIC_HOST_RESET_SETTLE_TIME * HZ;
+                ret = FAILED;
+                while (time_before(jiffies, wait_host_tmo)) {
+                        if ((lp->state == LPORT_ST_READY) &&
+                            (lp->link_up)) {
+                                ret = SUCCESS;
+                                break;
+                        }
+                        ssleep(1);
+                }
+        }
+
+        return ret;
+}
+
+/*
+ * This fxn is called from libFC when host is removed
+ */
+void fnic_scsi_abort_io(struct fc_lport *lp)
+{
+        int err = 0;
+        unsigned long flags;
+        enum fnic_state old_state;
+        struct fnic *fnic = lport_priv(lp);
+        DECLARE_COMPLETION_ONSTACK(remove_wait);
+
+        /* Issue firmware reset for fnic, wait for reset to complete */
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+        fnic->remove_wait = &remove_wait;
+        old_state = fnic->state;
+        fnic->state = FNIC_IN_FC_TRANS_ETH_MODE;
+        vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr);
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+        err = fnic_fw_reset_handler(fnic);
+        if (err) {
+                spin_lock_irqsave(&fnic->fnic_lock, flags);
+                if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE)
+                        fnic->state = old_state;
+                fnic->remove_wait = NULL;
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+                return;
+        }
+
+        /* Wait for firmware reset to complete */
+        wait_for_completion_timeout(&remove_wait,
+                                    msecs_to_jiffies(FNIC_RMDEVICE_TIMEOUT));
+
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+        fnic->remove_wait = NULL;
+        FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+                      "fnic_scsi_abort_io %s\n",
+                      (fnic->state == FNIC_IN_ETH_MODE) ?
+                      "SUCCESS" : "FAILED");
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+}
+
+/*
+ * This fxn called from libFC to clean up driver IO state on link down
+ */
+void fnic_scsi_cleanup(struct fc_lport *lp)
+{
+        unsigned long flags;
+        enum fnic_state old_state;
+        struct fnic *fnic = lport_priv(lp);
+
+        /* issue fw reset */
+        spin_lock_irqsave(&fnic->fnic_lock, flags);
+        old_state = fnic->state;
+        fnic->state = FNIC_IN_FC_TRANS_ETH_MODE;
+        vnic_dev_del_addr(fnic->vdev, fnic->data_src_addr);
+        spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+
+        if (fnic_fw_reset_handler(fnic)) {
+                spin_lock_irqsave(&fnic->fnic_lock, flags);
+                if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE)
+                        fnic->state = old_state;
+                spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+        }
+
+}
+
+void fnic_empty_scsi_cleanup(struct fc_lport *lp)
+{
+}
+
+void fnic_exch_mgr_reset(struct fc_lport *lp, u32 sid, u32 did)
+{
+        struct fnic *fnic = lport_priv(lp);
+
+        /* Non-zero sid, nothing to do */
+        if (sid)
+                goto call_fc_exch_mgr_reset;
+
+        if (did) {
+                fnic_rport_exch_reset(fnic, did);
+                goto call_fc_exch_mgr_reset;
+        }
+
+        /*
+         * sid = 0, did = 0
+         * link down or device being removed
+         */
+        if (!fnic->in_remove)
+                fnic_scsi_cleanup(lp);
+        else
+                fnic_scsi_abort_io(lp);
+
+        /* call libFC exch mgr reset to reset its exchanges */
+call_fc_exch_mgr_reset:
+        fc_exch_mgr_reset(lp, sid, did);
+
+}
diff --git a/drivers/scsi/fnic/rq_enet_desc.h b/drivers/scsi/fnic/rq_enet_desc.h
new file mode 100644
index 000000000000..92e80ae6b725
--- /dev/null
+++ b/drivers/scsi/fnic/rq_enet_desc.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _RQ_ENET_DESC_H_
+#define _RQ_ENET_DESC_H_
+
+/* Ethernet receive queue descriptor: 16B */
+struct rq_enet_desc {
+        __le64 address;
+        __le16 length_type;
+        u8 reserved[6];
+};
+
+enum rq_enet_type_types {
+        RQ_ENET_TYPE_ONLY_SOP = 0,
+        RQ_ENET_TYPE_NOT_SOP = 1,
+        RQ_ENET_TYPE_RESV2 = 2,
+        RQ_ENET_TYPE_RESV3 = 3,
+};
+
+#define RQ_ENET_ADDR_BITS               64
+#define RQ_ENET_LEN_BITS                14
+#define RQ_ENET_LEN_MASK                ((1 << RQ_ENET_LEN_BITS) - 1)
+#define RQ_ENET_TYPE_BITS               2
+#define RQ_ENET_TYPE_MASK               ((1 << RQ_ENET_TYPE_BITS) - 1)
+
+static inline void rq_enet_desc_enc(struct rq_enet_desc *desc,
+        u64 address, u8 type, u16 length)
+{
+        desc->address = cpu_to_le64(address);
+        desc->length_type = cpu_to_le16((length & RQ_ENET_LEN_MASK) |
+                ((type & RQ_ENET_TYPE_MASK) << RQ_ENET_LEN_BITS));
+}
+
+static inline void rq_enet_desc_dec(struct rq_enet_desc *desc,
+        u64 *address, u8 *type, u16 *length)
+{
+        *address = le64_to_cpu(desc->address);
+        *length = le16_to_cpu(desc->length_type) & RQ_ENET_LEN_MASK;
+        *type = (u8)((le16_to_cpu(desc->length_type) >> RQ_ENET_LEN_BITS) &
+                RQ_ENET_TYPE_MASK);
+}
+
+#endif /* _RQ_ENET_DESC_H_ */
diff --git a/drivers/scsi/fnic/vnic_cq.c b/drivers/scsi/fnic/vnic_cq.c
new file mode 100644
index 000000000000..c5db32eda5ef
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_cq.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include "vnic_dev.h"
+#include "vnic_cq.h"
+
+void vnic_cq_free(struct vnic_cq *cq)
+{
+        vnic_dev_free_desc_ring(cq->vdev, &cq->ring);
+
+        cq->ctrl = NULL;
+}
+
+int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
+        unsigned int desc_count, unsigned int desc_size)
+{
+        int err;
+
+        cq->index = index;
+        cq->vdev = vdev;
+
+        cq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_CQ, index);
+        if (!cq->ctrl) {
+                printk(KERN_ERR "Failed to hook CQ[%d] resource\n", index);
+                return -EINVAL;
+        }
+
+        err = vnic_dev_alloc_desc_ring(vdev, &cq->ring, desc_count, desc_size);
+        if (err)
+                return err;
+
+        return 0;
+}
+
+void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
+        unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
+        unsigned int cq_tail_color, unsigned int interrupt_enable,
+        unsigned int cq_entry_enable, unsigned int cq_message_enable,
+        unsigned int interrupt_offset, u64 cq_message_addr)
+{
+        u64 paddr;
+
+        paddr = (u64)cq->ring.base_addr | VNIC_PADDR_TARGET;
+        writeq(paddr, &cq->ctrl->ring_base);
+        iowrite32(cq->ring.desc_count, &cq->ctrl->ring_size);
+        iowrite32(flow_control_enable, &cq->ctrl->flow_control_enable);
+        iowrite32(color_enable, &cq->ctrl->color_enable);
+        iowrite32(cq_head, &cq->ctrl->cq_head);
+        iowrite32(cq_tail, &cq->ctrl->cq_tail);
+        iowrite32(cq_tail_color, &cq->ctrl->cq_tail_color);
+        iowrite32(interrupt_enable, &cq->ctrl->interrupt_enable);
+        iowrite32(cq_entry_enable, &cq->ctrl->cq_entry_enable);
+        iowrite32(cq_message_enable, &cq->ctrl->cq_message_enable);
+        iowrite32(interrupt_offset, &cq->ctrl->interrupt_offset);
+        writeq(cq_message_addr, &cq->ctrl->cq_message_addr);
+}
+
+void vnic_cq_clean(struct vnic_cq *cq)
+{
+        cq->to_clean = 0;
+        cq->last_color = 0;
+
+        iowrite32(0, &cq->ctrl->cq_head);
+        iowrite32(0, &cq->ctrl->cq_tail);
+        iowrite32(1, &cq->ctrl->cq_tail_color);
+
+        vnic_dev_clear_desc_ring(&cq->ring);
+}
diff --git a/drivers/scsi/fnic/vnic_cq.h b/drivers/scsi/fnic/vnic_cq.h
new file mode 100644
index 000000000000..4ede6809fb1e
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_cq.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_CQ_H_
+#define _VNIC_CQ_H_
+
+#include "cq_desc.h"
+#include "vnic_dev.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_cq_service fnic_cq_service
+#define vnic_cq_free fnic_cq_free
+#define vnic_cq_alloc fnic_cq_alloc
+#define vnic_cq_init fnic_cq_init
+#define vnic_cq_clean fnic_cq_clean
+
+/* Completion queue control */
+struct vnic_cq_ctrl {
+        u64 ring_base;                  /* 0x00 */
+        u32 ring_size;                  /* 0x08 */
+        u32 pad0;
+        u32 flow_control_enable;        /* 0x10 */
+        u32 pad1;
+        u32 color_enable;               /* 0x18 */
+        u32 pad2;
+        u32 cq_head;                    /* 0x20 */
+        u32 pad3;
+        u32 cq_tail;                    /* 0x28 */
+        u32 pad4;
+        u32 cq_tail_color;              /* 0x30 */
+        u32 pad5;
+        u32 interrupt_enable;           /* 0x38 */
+        u32 pad6;
+        u32 cq_entry_enable;            /* 0x40 */
+        u32 pad7;
+        u32 cq_message_enable;          /* 0x48 */
+        u32 pad8;
+        u32 interrupt_offset;           /* 0x50 */
+        u32 pad9;
+        u64 cq_message_addr;            /* 0x58 */
+        u32 pad10;
+};
+
+struct vnic_cq {
+        unsigned int index;
+        struct vnic_dev *vdev;
+        struct vnic_cq_ctrl __iomem *ctrl;      /* memory-mapped */
+        struct vnic_dev_ring ring;
+        unsigned int to_clean;
+        unsigned int last_color;
+};
+
+static inline unsigned int vnic_cq_service(struct vnic_cq *cq,
+        unsigned int work_to_do,
+        int (*q_service)(struct vnic_dev *vdev, struct cq_desc *cq_desc,
+        u8 type, u16 q_number, u16 completed_index, void *opaque),
+        void *opaque)
+{
+        struct cq_desc *cq_desc;
+        unsigned int work_done = 0;
+        u16 q_number, completed_index;
+        u8 type, color;
+
+        cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs +
+                cq->ring.desc_size * cq->to_clean);
+        cq_desc_dec(cq_desc, &type, &color,
+                &q_number, &completed_index);
+
+        while (color != cq->last_color) {
+
+                if ((*q_service)(cq->vdev, cq_desc, type,
+                        q_number, completed_index, opaque))
+                        break;
+
+                cq->to_clean++;
+                if (cq->to_clean == cq->ring.desc_count) {
+                        cq->to_clean = 0;
+                        cq->last_color = cq->last_color ? 0 : 1;
+                }
+
+                cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs +
+                        cq->ring.desc_size * cq->to_clean);
+                cq_desc_dec(cq_desc, &type, &color,
+                        &q_number, &completed_index);
+
+                work_done++;
+                if (work_done >= work_to_do)
+                        break;
+        }
+
+        return work_done;
+}
+
+void vnic_cq_free(struct vnic_cq *cq);
+int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
+        unsigned int desc_count, unsigned int desc_size);
+void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
+        unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
+        unsigned int cq_tail_color, unsigned int interrupt_enable,
+        unsigned int cq_entry_enable, unsigned int message_enable,
+        unsigned int interrupt_offset, u64 message_addr);
+void vnic_cq_clean(struct vnic_cq *cq);
+
+#endif /* _VNIC_CQ_H_ */
diff --git a/drivers/scsi/fnic/vnic_cq_copy.h b/drivers/scsi/fnic/vnic_cq_copy.h
new file mode 100644
index 000000000000..7901ce255a81
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_cq_copy.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_CQ_COPY_H_
+#define _VNIC_CQ_COPY_H_
+
+#include "fcpio.h"
+
+static inline unsigned int vnic_cq_copy_service(
+        struct vnic_cq *cq,
+        int (*q_service)(struct vnic_dev *vdev,
+                         unsigned int index,
+                         struct fcpio_fw_req *desc),
+        unsigned int work_to_do)
+
+{
+        struct fcpio_fw_req *desc;
+        unsigned int work_done = 0;
+        u8 color;
+
+        desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs +
+                cq->ring.desc_size * cq->to_clean);
+        fcpio_color_dec(desc, &color);
+
+        while (color != cq->last_color) {
+
+                if ((*q_service)(cq->vdev, cq->index, desc))
+                        break;
+
+                cq->to_clean++;
+                if (cq->to_clean == cq->ring.desc_count) {
+                        cq->to_clean = 0;
+                        cq->last_color = cq->last_color ? 0 : 1;
+                }
+
+                desc = (struct fcpio_fw_req *)((u8 *)cq->ring.descs +
+                        cq->ring.desc_size * cq->to_clean);
+                fcpio_color_dec(desc, &color);
+
+                work_done++;
+                if (work_done >= work_to_do)
+                        break;
+        }
+
+        return work_done;
+}
+
+#endif /* _VNIC_CQ_COPY_H_ */
diff --git a/drivers/scsi/fnic/vnic_dev.c b/drivers/scsi/fnic/vnic_dev.c
new file mode 100644
index 000000000000..566770645086
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_dev.c
@@ -0,0 +1,690 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/if_ether.h>
+#include "vnic_resource.h"
+#include "vnic_devcmd.h"
+#include "vnic_dev.h"
+#include "vnic_stats.h"
+
+struct vnic_res {
+        void __iomem *vaddr;
+        unsigned int count;
+};
+
+struct vnic_dev {
+        void *priv;
+        struct pci_dev *pdev;
+        struct vnic_res res[RES_TYPE_MAX];
+        enum vnic_dev_intr_mode intr_mode;
+        struct vnic_devcmd __iomem *devcmd;
+        struct vnic_devcmd_notify *notify;
+        struct vnic_devcmd_notify notify_copy;
+        dma_addr_t notify_pa;
+        u32 *linkstatus;
+        dma_addr_t linkstatus_pa;
+        struct vnic_stats *stats;
+        dma_addr_t stats_pa;
+        struct vnic_devcmd_fw_info *fw_info;
+        dma_addr_t fw_info_pa;
+};
+
+#define VNIC_MAX_RES_HDR_SIZE \
+        (sizeof(struct vnic_resource_header) + \
+        sizeof(struct vnic_resource) * RES_TYPE_MAX)
+#define VNIC_RES_STRIDE 128
+
+void *vnic_dev_priv(struct vnic_dev *vdev)
+{
+        return vdev->priv;
+}
+
+static int vnic_dev_discover_res(struct vnic_dev *vdev,
+        struct vnic_dev_bar *bar)
+{
+        struct vnic_resource_header __iomem *rh;
+        struct vnic_resource __iomem *r;
+        u8 type;
+
+        if (bar->len < VNIC_MAX_RES_HDR_SIZE) {
+                printk(KERN_ERR "vNIC BAR0 res hdr length error\n");
+                return -EINVAL;
+        }
+
+        rh = bar->vaddr;
+        if (!rh) {
+                printk(KERN_ERR "vNIC BAR0 res hdr not mem-mapped\n");
+                return -EINVAL;
+        }
+
+        if (ioread32(&rh->magic) != VNIC_RES_MAGIC ||
+            ioread32(&rh->version) != VNIC_RES_VERSION) {
+                printk(KERN_ERR "vNIC BAR0 res magic/version error "
+                        "exp (%lx/%lx) curr (%x/%x)\n",
+                        VNIC_RES_MAGIC, VNIC_RES_VERSION,
+                        ioread32(&rh->magic), ioread32(&rh->version));
+                return -EINVAL;
+        }
+
+        r = (struct vnic_resource __iomem *)(rh + 1);
+
+        while ((type = ioread8(&r->type)) != RES_TYPE_EOL) {
+
+                u8 bar_num = ioread8(&r->bar);
+                u32 bar_offset = ioread32(&r->bar_offset);
+                u32 count = ioread32(&r->count);
+                u32 len;
+
+                r++;
+
+                if (bar_num != 0)  /* only mapping in BAR0 resources */
+                        continue;
+
+                switch (type) {
+                case RES_TYPE_WQ:
+                case RES_TYPE_RQ:
+                case RES_TYPE_CQ:
+                case RES_TYPE_INTR_CTRL:
+                        /* each count is stride bytes long */
+                        len = count * VNIC_RES_STRIDE;
+                        if (len + bar_offset > bar->len) {
+                                printk(KERN_ERR "vNIC BAR0 resource %d "
+                                        "out-of-bounds, offset 0x%x + "
+                                        "size 0x%x > bar len 0x%lx\n",
+                                        type, bar_offset,
+                                        len,
+                                        bar->len);
+                                return -EINVAL;
+                        }
+                        break;
+                case RES_TYPE_INTR_PBA_LEGACY:
+                case RES_TYPE_DEVCMD:
+                        len = count;
+                        break;
+                default:
+                        continue;
+                }
+
+                vdev->res[type].count = count;
+                vdev->res[type].vaddr = (char __iomem *)bar->vaddr + bar_offset;
+        }
+
+        return 0;
+}
+
+unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
+        enum vnic_res_type type)
+{
+        return vdev->res[type].count;
+}
+
+void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
+        unsigned int index)
+{
+        if (!vdev->res[type].vaddr)
+                return NULL;
+
+        switch (type) {
+        case RES_TYPE_WQ:
+        case RES_TYPE_RQ:
+        case RES_TYPE_CQ:
+        case RES_TYPE_INTR_CTRL:
+                return (char __iomem *)vdev->res[type].vaddr +
+                                        index * VNIC_RES_STRIDE;
+        default:
+                return (char __iomem *)vdev->res[type].vaddr;
+        }
+}
+
+unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
+                                     unsigned int desc_count,
+                                     unsigned int desc_size)
+{
+        /* The base address of the desc rings must be 512 byte aligned.
+         * Descriptor count is aligned to groups of 32 descriptors.  A
+         * count of 0 means the maximum 4096 descriptors.  Descriptor
+         * size is aligned to 16 bytes.
+         */
+
+        unsigned int count_align = 32;
+        unsigned int desc_align = 16;
+
+        ring->base_align = 512;
+
+        if (desc_count == 0)
+                desc_count = 4096;
+
+        ring->desc_count = ALIGN(desc_count, count_align);
+
+        ring->desc_size = ALIGN(desc_size, desc_align);
+
+        ring->size = ring->desc_count * ring->desc_size;
+        ring->size_unaligned = ring->size + ring->base_align;
+
+        return ring->size_unaligned;
+}
+
+void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring)
+{
+        memset(ring->descs, 0, ring->size);
+}
+
+int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
+        unsigned int desc_count, unsigned int desc_size)
+{
+        vnic_dev_desc_ring_size(ring, desc_count, desc_size);
+
+        ring->descs_unaligned = pci_alloc_consistent(vdev->pdev,
+                ring->size_unaligned,
+                &ring->base_addr_unaligned);
+
+        if (!ring->descs_unaligned) {
+                printk(KERN_ERR
+                  "Failed to allocate ring (size=%d), aborting\n",
+                        (int)ring->size);
+                return -ENOMEM;
+        }
+
+        ring->base_addr = ALIGN(ring->base_addr_unaligned,
+                ring->base_align);
+        ring->descs = (u8 *)ring->descs_unaligned +
+                (ring->base_addr - ring->base_addr_unaligned);
+
+        vnic_dev_clear_desc_ring(ring);
+
+        ring->desc_avail = ring->desc_count - 1;
+
+        return 0;
+}
+
+void vnic_dev_free_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring)
+{
+        if (ring->descs) {
+                pci_free_consistent(vdev->pdev,
+                        ring->size_unaligned,
+                        ring->descs_unaligned,
+                        ring->base_addr_unaligned);
+                ring->descs = NULL;
+        }
+}
+
+int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+        u64 *a0, u64 *a1, int wait)
+{
+        struct vnic_devcmd __iomem *devcmd = vdev->devcmd;
+        int delay;
+        u32 status;
+        int dev_cmd_err[] = {
+                /* convert from fw's version of error.h to host's version */
+                0,      /* ERR_SUCCESS */
+                EINVAL, /* ERR_EINVAL */
+                EFAULT, /* ERR_EFAULT */
+                EPERM,  /* ERR_EPERM */
+                EBUSY,  /* ERR_EBUSY */
+        };
+        int err;
+
+        status = ioread32(&devcmd->status);
+        if (status & STAT_BUSY) {
+                printk(KERN_ERR "Busy devcmd %d\n", _CMD_N(cmd));
+                return -EBUSY;
+        }
+
+        if (_CMD_DIR(cmd) & _CMD_DIR_WRITE) {
+                writeq(*a0, &devcmd->args[0]);
+                writeq(*a1, &devcmd->args[1]);
+                wmb();
+        }
+
+        iowrite32(cmd, &devcmd->cmd);
+
+        if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT))
+                        return 0;
+
+        for (delay = 0; delay < wait; delay++) {
+
+                udelay(100);
+
+                status = ioread32(&devcmd->status);
+                if (!(status & STAT_BUSY)) {
+
+                        if (status & STAT_ERROR) {
+                                err = dev_cmd_err[(int)readq(&devcmd->args[0])];
+                                printk(KERN_ERR "Error %d devcmd %d\n",
+                                        err, _CMD_N(cmd));
+                                return -err;
+                        }
+
+                        if (_CMD_DIR(cmd) & _CMD_DIR_READ) {
+                                rmb();
+                                *a0 = readq(&devcmd->args[0]);
+                                *a1 = readq(&devcmd->args[1]);
+                        }
+
+                        return 0;
+                }
+        }
+
+        printk(KERN_ERR "Timedout devcmd %d\n", _CMD_N(cmd));
+        return -ETIMEDOUT;
+}
+
+int vnic_dev_fw_info(struct vnic_dev *vdev,
+        struct vnic_devcmd_fw_info **fw_info)
+{
+        u64 a0, a1 = 0;
+        int wait = 1000;
+        int err = 0;
+
+        if (!vdev->fw_info) {
+                vdev->fw_info = pci_alloc_consistent(vdev->pdev,
+                        sizeof(struct vnic_devcmd_fw_info),
+                        &vdev->fw_info_pa);
+                if (!vdev->fw_info)
+                        return -ENOMEM;
+
+                a0 = vdev->fw_info_pa;
+
+                /* only get fw_info once and cache it */
+                err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO, &a0, &a1, wait);
+        }
+
+        *fw_info = vdev->fw_info;
+
+        return err;
+}
+
+int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
+        void *value)
+{
+        u64 a0, a1;
+        int wait = 1000;
+        int err;
+
+        a0 = offset;
+        a1 = size;
+
+        err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait);
+
+        switch (size) {
+        case 1:
+                *(u8 *)value = (u8)a0;
+                break;
+        case 2:
+                *(u16 *)value = (u16)a0;
+                break;
+        case 4:
+                *(u32 *)value = (u32)a0;
+                break;
+        case 8:
+                *(u64 *)value = a0;
+                break;
+        default:
+                BUG();
+                break;
+        }
+
+        return err;
+}
+
+int vnic_dev_stats_clear(struct vnic_dev *vdev)
+{
+        u64 a0 = 0, a1 = 0;
+        int wait = 1000;
+        return vnic_dev_cmd(vdev, CMD_STATS_CLEAR, &a0, &a1, wait);
+}
+
+int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats)
+{
+        u64 a0, a1;
+        int wait = 1000;
+
+        if (!vdev->stats) {
+                vdev->stats = pci_alloc_consistent(vdev->pdev,
+                        sizeof(struct vnic_stats), &vdev->stats_pa);
+                if (!vdev->stats)
+                        return -ENOMEM;
+        }
+
+        *stats = vdev->stats;
+        a0 = vdev->stats_pa;
+        a1 = sizeof(struct vnic_stats);
+
+        return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait);
+}
+
+int vnic_dev_close(struct vnic_dev *vdev)
+{
+        u64 a0 = 0, a1 = 0;
+        int wait = 1000;
+        return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait);
+}
+
+int vnic_dev_enable(struct vnic_dev *vdev)
+{
+        u64 a0 = 0, a1 = 0;
+        int wait = 1000;
+        return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait);
+}
+
+int vnic_dev_disable(struct vnic_dev *vdev)
+{
+        u64 a0 = 0, a1 = 0;
+        int wait = 1000;
+        return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait);
+}
+
+int vnic_dev_open(struct vnic_dev *vdev, int arg)
+{
+        u64 a0 = (u32)arg, a1 = 0;
+        int wait = 1000;
+        return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait);
+}
+
+int vnic_dev_open_done(struct vnic_dev *vdev, int *done)
+{
+        u64 a0 = 0, a1 = 0;
+        int wait = 1000;
+        int err;
+
+        *done = 0;
+
+        err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait);
+        if (err)
+                return err;
+
+        *done = (a0 == 0);
+
+        return 0;
+}
+
+int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg)
+{
+        u64 a0 = (u32)arg, a1 = 0;
+        int wait = 1000;
+        return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait);
+}
+
+int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done)
+{
+        u64 a0 = 0, a1 = 0;
+        int wait = 1000;
+        int err;
+
+        *done = 0;
+
+        err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait);
+        if (err)
+                return err;
+
+        *done = (a0 == 0);
+
+        return 0;
+}
+
+int vnic_dev_hang_notify(struct vnic_dev *vdev)
+{
+        u64 a0, a1;
+        int wait = 1000;
+        return vnic_dev_cmd(vdev, CMD_HANG_NOTIFY, &a0, &a1, wait);
+}
+
+int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr)
+{
+        u64 a0, a1;
+        int wait = 1000;
+        int err, i;
+
+        for (i = 0; i < ETH_ALEN; i++)
+                mac_addr[i] = 0;
+
+        err = vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a0, &a1, wait);
+        if (err)
+                return err;
+
+        for (i = 0; i < ETH_ALEN; i++)
+                mac_addr[i] = ((u8 *)&a0)[i];
+
+        return 0;
+}
+
+void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
+        int broadcast, int promisc, int allmulti)
+{
+        u64 a0, a1 = 0;
+        int wait = 1000;
+        int err;
+
+        a0 = (directed ? CMD_PFILTER_DIRECTED : 0) |
+             (multicast ? CMD_PFILTER_MULTICAST : 0) |
+             (broadcast ? CMD_PFILTER_BROADCAST : 0) |
+             (promisc ? CMD_PFILTER_PROMISCUOUS : 0) |
+             (allmulti ? CMD_PFILTER_ALL_MULTICAST : 0);
+
+        err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait);
+        if (err)
+                printk(KERN_ERR "Can't set packet filter\n");
+}
+
+void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr)
+{
+        u64 a0 = 0, a1 = 0;
+        int wait = 1000;
+        int err;
+        int i;
+
+        for (i = 0; i < ETH_ALEN; i++)
+                ((u8 *)&a0)[i] = addr[i];
+
+        err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait);
+        if (err)
+                printk(KERN_ERR
+                        "Can't add addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n",
+                        addr[0], addr[1], addr[2], addr[3], addr[4], addr[5],
+                        err);
+}
+
+void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr)
+{
+        u64 a0 = 0, a1 = 0;
+        int wait = 1000;
+        int err;
+        int i;
+
+        for (i = 0; i < ETH_ALEN; i++)
+                ((u8 *)&a0)[i] = addr[i];
+
+        err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait);
+        if (err)
+                printk(KERN_ERR
+                        "Can't del addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n",
+                        addr[0], addr[1], addr[2], addr[3], addr[4], addr[5],
+                        err);
+}
+
+int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr)
+{
+        u64 a0, a1;
+        int wait = 1000;
+
+        if (!vdev->notify) {
+                vdev->notify = pci_alloc_consistent(vdev->pdev,
+                        sizeof(struct vnic_devcmd_notify),
+                        &vdev->notify_pa);
+                if (!vdev->notify)
+                        return -ENOMEM;
+        }
+
+        a0 = vdev->notify_pa;
+        a1 = ((u64)intr << 32) & 0x0000ffff00000000ULL;
+        a1 += sizeof(struct vnic_devcmd_notify);
+
+        return vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait);
+}
+
+void vnic_dev_notify_unset(struct vnic_dev *vdev)
+{
+        u64 a0, a1;
+        int wait = 1000;
+
+        a0 = 0;  /* paddr = 0 to unset notify buffer */
+        a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */
+        a1 += sizeof(struct vnic_devcmd_notify);
+
+        vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait);
+}
+
+static int vnic_dev_notify_ready(struct vnic_dev *vdev)
+{
+        u32 *words;
+        unsigned int nwords = sizeof(struct vnic_devcmd_notify) / 4;
+        unsigned int i;
+        u32 csum;
+
+        if (!vdev->notify)
+                return 0;
+
+        do {
+                csum = 0;
+                memcpy(&vdev->notify_copy, vdev->notify,
+                        sizeof(struct vnic_devcmd_notify));
+                words = (u32 *)&vdev->notify_copy;
+                for (i = 1; i < nwords; i++)
+                        csum += words[i];
+        } while (csum != words[0]);
+
+        return 1;
+}
+
+int vnic_dev_init(struct vnic_dev *vdev, int arg)
+{
+        u64 a0 = (u32)arg, a1 = 0;
+        int wait = 1000;
+        return vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait);
+}
+
+int vnic_dev_link_status(struct vnic_dev *vdev)
+{
+        if (vdev->linkstatus)
+                return *vdev->linkstatus;
+
+        if (!vnic_dev_notify_ready(vdev))
+                return 0;
+
+        return vdev->notify_copy.link_state;
+}
+
+u32 vnic_dev_port_speed(struct vnic_dev *vdev)
+{
+        if (!vnic_dev_notify_ready(vdev))
+                return 0;
+
+        return vdev->notify_copy.port_speed;
+}
+
+u32 vnic_dev_msg_lvl(struct vnic_dev *vdev)
+{
+        if (!vnic_dev_notify_ready(vdev))
+                return 0;
+
+        return vdev->notify_copy.msglvl;
+}
+
+u32 vnic_dev_mtu(struct vnic_dev *vdev)
+{
+        if (!vnic_dev_notify_ready(vdev))
+                return 0;
+
+        return vdev->notify_copy.mtu;
+}
+
+u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev)
+{
+        if (!vnic_dev_notify_ready(vdev))
+                return 0;
+
+        return vdev->notify_copy.link_down_cnt;
+}
+
+void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
+        enum vnic_dev_intr_mode intr_mode)
+{
+        vdev->intr_mode = intr_mode;
+}
+
+enum vnic_dev_intr_mode vnic_dev_get_intr_mode(
+        struct vnic_dev *vdev)
+{
+        return vdev->intr_mode;
+}
+
+void vnic_dev_unregister(struct vnic_dev *vdev)
+{
+        if (vdev) {
+                if (vdev->notify)
+                        pci_free_consistent(vdev->pdev,
+                                sizeof(struct vnic_devcmd_notify),
+                                vdev->notify,
+                                vdev->notify_pa);
+                if (vdev->linkstatus)
+                        pci_free_consistent(vdev->pdev,
+                                sizeof(u32),
+                                vdev->linkstatus,
+                                vdev->linkstatus_pa);
+                if (vdev->stats)
+                        pci_free_consistent(vdev->pdev,
+                                sizeof(struct vnic_dev),
+                                vdev->stats, vdev->stats_pa);
+                if (vdev->fw_info)
+                        pci_free_consistent(vdev->pdev,
+                                sizeof(struct vnic_devcmd_fw_info),
+                                vdev->fw_info, vdev->fw_info_pa);
+                kfree(vdev);
+        }
+}
+
+struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
+        void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar)
+{
+        if (!vdev) {
+                vdev = kzalloc(sizeof(struct vnic_dev), GFP_KERNEL);
+                if (!vdev)
+                        return NULL;
+        }
+
+        vdev->priv = priv;
+        vdev->pdev = pdev;
+
+        if (vnic_dev_discover_res(vdev, bar))
+                goto err_out;
+
+        vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0);
+        if (!vdev->devcmd)
+                goto err_out;
+
+        return vdev;
+
+err_out:
+        vnic_dev_unregister(vdev);
+        return NULL;
+}
diff --git a/drivers/scsi/fnic/vnic_dev.h b/drivers/scsi/fnic/vnic_dev.h
new file mode 100644
index 000000000000..f9935a8a5a09
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_dev.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_DEV_H_
+#define _VNIC_DEV_H_
+
+#include "vnic_resource.h"
+#include "vnic_devcmd.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_dev_priv fnic_dev_priv
+#define vnic_dev_get_res_count fnic_dev_get_res_count
+#define vnic_dev_get_res fnic_dev_get_res
+#define vnic_dev_desc_ring_size fnic_dev_desc_ring_siz
+#define vnic_dev_clear_desc_ring fnic_dev_clear_desc_ring
+#define vnic_dev_alloc_desc_ring fnic_dev_alloc_desc_ring
+#define vnic_dev_free_desc_ring fnic_dev_free_desc_ring
+#define vnic_dev_cmd fnic_dev_cmd
+#define vnic_dev_fw_info fnic_dev_fw_info
+#define vnic_dev_spec fnic_dev_spec
+#define vnic_dev_stats_clear fnic_dev_stats_clear
+#define vnic_dev_stats_dump fnic_dev_stats_dump
+#define vnic_dev_hang_notify fnic_dev_hang_notify
+#define vnic_dev_packet_filter fnic_dev_packet_filter
+#define vnic_dev_add_addr fnic_dev_add_addr
+#define vnic_dev_del_addr fnic_dev_del_addr
+#define vnic_dev_mac_addr fnic_dev_mac_addr
+#define vnic_dev_notify_set fnic_dev_notify_set
+#define vnic_dev_notify_unset fnic_dev_notify_unset
+#define vnic_dev_link_status fnic_dev_link_status
+#define vnic_dev_port_speed fnic_dev_port_speed
+#define vnic_dev_msg_lvl fnic_dev_msg_lvl
+#define vnic_dev_mtu fnic_dev_mtu
+#define vnic_dev_link_down_cnt fnic_dev_link_down_cnt
+#define vnic_dev_close fnic_dev_close
+#define vnic_dev_enable fnic_dev_enable
+#define vnic_dev_disable fnic_dev_disable
+#define vnic_dev_open fnic_dev_open
+#define vnic_dev_open_done fnic_dev_open_done
+#define vnic_dev_init fnic_dev_init
+#define vnic_dev_soft_reset fnic_dev_soft_reset
+#define vnic_dev_soft_reset_done fnic_dev_soft_reset_done
+#define vnic_dev_set_intr_mode fnic_dev_set_intr_mode
+#define vnic_dev_get_intr_mode fnic_dev_get_intr_mode
+#define vnic_dev_unregister fnic_dev_unregister
+#define vnic_dev_register fnic_dev_register
+
+#ifndef VNIC_PADDR_TARGET
+#define VNIC_PADDR_TARGET       0x0000000000000000ULL
+#endif
+
+#ifndef readq
+static inline u64 readq(void __iomem *reg)
+{
+        return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);
+}
+
+static inline void writeq(u64 val, void __iomem *reg)
+{
+        writel(val & 0xffffffff, reg);
+        writel(val >> 32, reg + 0x4UL);
+}
+#endif
+
+enum vnic_dev_intr_mode {
+        VNIC_DEV_INTR_MODE_UNKNOWN,
+        VNIC_DEV_INTR_MODE_INTX,
+        VNIC_DEV_INTR_MODE_MSI,
+        VNIC_DEV_INTR_MODE_MSIX,
+};
+
+struct vnic_dev_bar {
+        void __iomem *vaddr;
+        dma_addr_t bus_addr;
+        unsigned long len;
+};
+
+struct vnic_dev_ring {
+        void *descs;
+        size_t size;
+        dma_addr_t base_addr;
+        size_t base_align;
+        void *descs_unaligned;
+        size_t size_unaligned;
+        dma_addr_t base_addr_unaligned;
+        unsigned int desc_size;
+        unsigned int desc_count;
+        unsigned int desc_avail;
+};
+
+struct vnic_dev;
+struct vnic_stats;
+
+void *vnic_dev_priv(struct vnic_dev *vdev);
+unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
+                                    enum vnic_res_type type);
+void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
+                               unsigned int index);
+unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
+                                     unsigned int desc_count,
+                                     unsigned int desc_size);
+void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
+int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
+                             unsigned int desc_count, unsigned int desc_size);
+void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
+                             struct vnic_dev_ring *ring);
+int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+                 u64 *a0, u64 *a1, int wait);
+int vnic_dev_fw_info(struct vnic_dev *vdev,
+                     struct vnic_devcmd_fw_info **fw_info);
+int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,
+                  unsigned int size, void *value);
+int vnic_dev_stats_clear(struct vnic_dev *vdev);
+int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
+int vnic_dev_hang_notify(struct vnic_dev *vdev);
+void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
+                            int broadcast, int promisc, int allmulti);
+void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
+void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
+int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
+int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
+void vnic_dev_notify_unset(struct vnic_dev *vdev);
+int vnic_dev_link_status(struct vnic_dev *vdev);
+u32 vnic_dev_port_speed(struct vnic_dev *vdev);
+u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
+u32 vnic_dev_mtu(struct vnic_dev *vdev);
+u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
+int vnic_dev_close(struct vnic_dev *vdev);
+int vnic_dev_enable(struct vnic_dev *vdev);
+int vnic_dev_disable(struct vnic_dev *vdev);
+int vnic_dev_open(struct vnic_dev *vdev, int arg);
+int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
+int vnic_dev_init(struct vnic_dev *vdev, int arg);
+int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
+int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
+void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
+                            enum vnic_dev_intr_mode intr_mode);
+enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
+void vnic_dev_unregister(struct vnic_dev *vdev);
+struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
+                                   void *priv, struct pci_dev *pdev,
+                                   struct vnic_dev_bar *bar);
+
+#endif /* _VNIC_DEV_H_ */
diff --git a/drivers/scsi/fnic/vnic_devcmd.h b/drivers/scsi/fnic/vnic_devcmd.h
new file mode 100644
index 000000000000..d62b9061bf12
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_devcmd.h
@@ -0,0 +1,281 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_DEVCMD_H_
+#define _VNIC_DEVCMD_H_
+
+#define _CMD_NBITS      14
+#define _CMD_VTYPEBITS  10
+#define _CMD_FLAGSBITS  6
+#define _CMD_DIRBITS    2
+
+#define _CMD_NMASK      ((1 << _CMD_NBITS)-1)
+#define _CMD_VTYPEMASK  ((1 << _CMD_VTYPEBITS)-1)
+#define _CMD_FLAGSMASK  ((1 << _CMD_FLAGSBITS)-1)
+#define _CMD_DIRMASK    ((1 << _CMD_DIRBITS)-1)
+
+#define _CMD_NSHIFT     0
+#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS)
+#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS)
+#define _CMD_DIRSHIFT   (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS)
+
+/*
+ * Direction bits (from host perspective).
+ */
+#define _CMD_DIR_NONE   0U
+#define _CMD_DIR_WRITE  1U
+#define _CMD_DIR_READ   2U
+#define _CMD_DIR_RW     (_CMD_DIR_WRITE | _CMD_DIR_READ)
+
+/*
+ * Flag bits.
+ */
+#define _CMD_FLAGS_NONE 0U
+#define _CMD_FLAGS_NOWAIT 1U
+
+/*
+ * vNIC type bits.
+ */
+#define _CMD_VTYPE_NONE  0U
+#define _CMD_VTYPE_ENET  1U
+#define _CMD_VTYPE_FC    2U
+#define _CMD_VTYPE_SCSI  4U
+#define _CMD_VTYPE_ALL   (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI)
+
+/*
+ * Used to create cmds..
+*/
+#define _CMDCF(dir, flags, vtype, nr)  \
+        (((dir)   << _CMD_DIRSHIFT) | \
+        ((flags) << _CMD_FLAGSSHIFT) | \
+        ((vtype) << _CMD_VTYPESHIFT) | \
+        ((nr)    << _CMD_NSHIFT))
+#define _CMDC(dir, vtype, nr)    _CMDCF(dir, 0, vtype, nr)
+#define _CMDCNW(dir, vtype, nr)  _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr)
+
+/*
+ * Used to decode cmds..
+*/
+#define _CMD_DIR(cmd)            (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK)
+#define _CMD_FLAGS(cmd)          (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK)
+#define _CMD_VTYPE(cmd)          (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
+#define _CMD_N(cmd)              (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)
+
+enum vnic_devcmd_cmd {
+        CMD_NONE                = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),
+
+        /* mcpu fw info in mem: (u64)a0=paddr to struct vnic_devcmd_fw_info */
+        CMD_MCPU_FW_INFO        = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1),
+
+        /* dev-specific block member:
+         *    in: (u16)a0=offset,(u8)a1=size
+         *    out: a0=value */
+        CMD_DEV_SPEC            = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2),
+
+        /* stats clear */
+        CMD_STATS_CLEAR         = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3),
+
+        /* stats dump in mem: (u64)a0=paddr to stats area,
+         *                    (u16)a1=sizeof stats area */
+        CMD_STATS_DUMP          = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4),
+
+        /* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */
+        CMD_PACKET_FILTER       = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7),
+
+        /* hang detection notification */
+        CMD_HANG_NOTIFY         = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8),
+
+        /* MAC address in (u48)a0 */
+        CMD_MAC_ADDR            = _CMDC(_CMD_DIR_READ,
+                                        _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9),
+
+        /* disable/enable promisc mode: (u8)a0=0/1 */
+/***** XXX DEPRECATED *****/
+        CMD_PROMISC_MODE        = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 10),
+
+        /* disable/enable all-multi mode: (u8)a0=0/1 */
+/***** XXX DEPRECATED *****/
+        CMD_ALLMULTI_MODE       = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 11),
+
+        /* add addr from (u48)a0 */
+        CMD_ADDR_ADD            = _CMDCNW(_CMD_DIR_WRITE,
+                                        _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12),
+
+        /* del addr from (u48)a0 */
+        CMD_ADDR_DEL            = _CMDCNW(_CMD_DIR_WRITE,
+                                        _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13),
+
+        /* add VLAN id in (u16)a0 */
+        CMD_VLAN_ADD            = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14),
+
+        /* del VLAN id in (u16)a0 */
+        CMD_VLAN_DEL            = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),
+
+        /* nic_cfg in (u32)a0 */
+        CMD_NIC_CFG             = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
+
+        /* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
+        CMD_RSS_KEY             = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),
+
+        /* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */
+        CMD_RSS_CPU             = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18),
+
+        /* initiate softreset */
+        CMD_SOFT_RESET          = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19),
+
+        /* softreset status:
+         *    out: a0=0 reset complete, a0=1 reset in progress */
+        CMD_SOFT_RESET_STATUS   = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20),
+
+        /* set struct vnic_devcmd_notify buffer in mem:
+         * in:
+         *   (u64)a0=paddr to notify (set paddr=0 to unset)
+         *   (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
+         *   (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
+         * out:
+         *   (u32)a1 = effective size
+         */
+        CMD_NOTIFY              = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21),
+
+        /* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct,
+         *           (u8)a1=PXENV_UNDI_xxx */
+        CMD_UNDI                = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22),
+
+        /* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */
+        CMD_OPEN                = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23),
+
+        /* open status:
+         *    out: a0=0 open complete, a0=1 open in progress */
+        CMD_OPEN_STATUS         = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24),
+
+        /* close vnic */
+        CMD_CLOSE               = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25),
+
+        /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
+        CMD_INIT                = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26),
+
+        /* variant of CMD_INIT, with provisioning info
+         *     (u64)a0=paddr of vnic_devcmd_provinfo
+         *     (u32)a1=sizeof provision info */
+        CMD_INIT_PROV_INFO      = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),
+
+        /* enable virtual link */
+        CMD_ENABLE              = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
+
+        /* disable virtual link */
+        CMD_DISABLE             = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29),
+
+        /* stats dump all vnics on uplink in mem: (u64)a0=paddr (u32)a1=uif */
+        CMD_STATS_DUMP_ALL      = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30),
+
+        /* init status:
+         *    out: a0=0 init complete, a0=1 init in progress
+         *         if a0=0, a1=errno */
+        CMD_INIT_STATUS         = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),
+
+        /* INT13 API: (u64)a0=paddr to vnic_int13_params struct
+         *            (u8)a1=INT13_CMD_xxx */
+        CMD_INT13               = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),
+
+        /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
+        CMD_LOGICAL_UPLINK      = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33),
+
+        /* undo initialize of virtual link */
+        CMD_DEINIT              = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34),
+};
+
+/* flags for CMD_OPEN */
+#define CMD_OPENF_OPROM         0x1     /* open coming from option rom */
+
+/* flags for CMD_INIT */
+#define CMD_INITF_DEFAULT_MAC   0x1     /* init with default mac addr */
+
+/* flags for CMD_PACKET_FILTER */
+#define CMD_PFILTER_DIRECTED            0x01
+#define CMD_PFILTER_MULTICAST           0x02
+#define CMD_PFILTER_BROADCAST           0x04
+#define CMD_PFILTER_PROMISCUOUS         0x08
+#define CMD_PFILTER_ALL_MULTICAST       0x10
+
+enum vnic_devcmd_status {
+        STAT_NONE = 0,
+        STAT_BUSY = 1 << 0,     /* cmd in progress */
+        STAT_ERROR = 1 << 1,    /* last cmd caused error (code in a0) */
+};
+
+enum vnic_devcmd_error {
+        ERR_SUCCESS = 0,
+        ERR_EINVAL = 1,
+        ERR_EFAULT = 2,
+        ERR_EPERM = 3,
+        ERR_EBUSY = 4,
+        ERR_ECMDUNKNOWN = 5,
+        ERR_EBADSTATE = 6,
+        ERR_ENOMEM = 7,
+        ERR_ETIMEDOUT = 8,
+        ERR_ELINKDOWN = 9,
+};
+
+struct vnic_devcmd_fw_info {
+        char fw_version[32];
+        char fw_build[32];
+        char hw_version[32];
+        char hw_serial_number[32];
+};
+
+struct vnic_devcmd_notify {
+        u32 csum;               /* checksum over following words */
+
+        u32 link_state;         /* link up == 1 */
+        u32 port_speed;         /* effective port speed (rate limit) */
+        u32 mtu;                /* MTU */
+        u32 msglvl;             /* requested driver msg lvl */
+        u32 uif;                /* uplink interface */
+        u32 status;             /* status bits (see VNIC_STF_*) */
+        u32 error;              /* error code (see ERR_*) for first ERR */
+        u32 link_down_cnt;      /* running count of link down transitions */
+};
+#define VNIC_STF_FATAL_ERR      0x0001  /* fatal fw error */
+
+struct vnic_devcmd_provinfo {
+        u8 oui[3];
+        u8 type;
+        u8 data[0];
+};
+
+/*
+ * Writing cmd register causes STAT_BUSY to get set in status register.
+ * When cmd completes, STAT_BUSY will be cleared.
+ *
+ * If cmd completed successfully STAT_ERROR will be clear
+ * and args registers contain cmd-specific results.
+ *
+ * If cmd error, STAT_ERROR will be set and args[0] contains error code.
+ *
+ * status register is read-only.  While STAT_BUSY is set,
+ * all other register contents are read-only.
+ */
+
+/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */
+#define VNIC_DEVCMD_NARGS 15
+struct vnic_devcmd {
+        u32 status;                     /* RO */
+        u32 cmd;                        /* RW */
+        u64 args[VNIC_DEVCMD_NARGS];    /* RW cmd args (little-endian) */
+};
+
+#endif /* _VNIC_DEVCMD_H_ */
diff --git a/drivers/scsi/fnic/vnic_intr.c b/drivers/scsi/fnic/vnic_intr.c
new file mode 100644
index 000000000000..4f4dc8793d23
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_intr.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include "vnic_dev.h"
+#include "vnic_intr.h"
+
+void vnic_intr_free(struct vnic_intr *intr)
+{
+        intr->ctrl = NULL;
+}
+
+int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
+        unsigned int index)
+{
+        intr->index = index;
+        intr->vdev = vdev;
+
+        intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index);
+        if (!intr->ctrl) {
+                printk(KERN_ERR "Failed to hook INTR[%d].ctrl resource\n",
+                        index);
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer,
+        unsigned int coalescing_type, unsigned int mask_on_assertion)
+{
+        iowrite32(coalescing_timer, &intr->ctrl->coalescing_timer);
+        iowrite32(coalescing_type, &intr->ctrl->coalescing_type);
+        iowrite32(mask_on_assertion, &intr->ctrl->mask_on_assertion);
+        iowrite32(0, &intr->ctrl->int_credits);
+}
+
+void vnic_intr_clean(struct vnic_intr *intr)
+{
+        iowrite32(0, &intr->ctrl->int_credits);
+}
diff --git a/drivers/scsi/fnic/vnic_intr.h b/drivers/scsi/fnic/vnic_intr.h
new file mode 100644
index 000000000000..d5fb40e7c98e
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_intr.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_INTR_H_
+#define _VNIC_INTR_H_
+
+#include <linux/pci.h>
+#include "vnic_dev.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_intr_unmask fnic_intr_unmask
+#define vnic_intr_mask fnic_intr_mask
+#define vnic_intr_return_credits fnic_intr_return_credits
+#define vnic_intr_credits fnic_intr_credits
+#define vnic_intr_return_all_credits fnic_intr_return_all_credits
+#define vnic_intr_legacy_pba fnic_intr_legacy_pba
+#define vnic_intr_free fnic_intr_free
+#define vnic_intr_alloc fnic_intr_alloc
+#define vnic_intr_init fnic_intr_init
+#define vnic_intr_clean fnic_intr_clean
+
+#define VNIC_INTR_TIMER_MAX             0xffff
+
+#define VNIC_INTR_TIMER_TYPE_ABS        0
+#define VNIC_INTR_TIMER_TYPE_QUIET      1
+
+/* Interrupt control */
+struct vnic_intr_ctrl {
+        u32 coalescing_timer;           /* 0x00 */
+        u32 pad0;
+        u32 coalescing_value;           /* 0x08 */
+        u32 pad1;
+        u32 coalescing_type;            /* 0x10 */
+        u32 pad2;
+        u32 mask_on_assertion;          /* 0x18 */
+        u32 pad3;
+        u32 mask;                       /* 0x20 */
+        u32 pad4;
+        u32 int_credits;                /* 0x28 */
+        u32 pad5;
+        u32 int_credit_return;          /* 0x30 */
+        u32 pad6;
+};
+
+struct vnic_intr {
+        unsigned int index;
+        struct vnic_dev *vdev;
+        struct vnic_intr_ctrl __iomem *ctrl;    /* memory-mapped */
+};
+
+static inline void vnic_intr_unmask(struct vnic_intr *intr)
+{
+        iowrite32(0, &intr->ctrl->mask);
+}
+
+static inline void vnic_intr_mask(struct vnic_intr *intr)
+{
+        iowrite32(1, &intr->ctrl->mask);
+}
+
+static inline void vnic_intr_return_credits(struct vnic_intr *intr,
+        unsigned int credits, int unmask, int reset_timer)
+{
+#define VNIC_INTR_UNMASK_SHIFT          16
+#define VNIC_INTR_RESET_TIMER_SHIFT     17
+
+        u32 int_credit_return = (credits & 0xffff) |
+                (unmask ? (1 << VNIC_INTR_UNMASK_SHIFT) : 0) |
+                (reset_timer ? (1 << VNIC_INTR_RESET_TIMER_SHIFT) : 0);
+
+        iowrite32(int_credit_return, &intr->ctrl->int_credit_return);
+}
+
+static inline unsigned int vnic_intr_credits(struct vnic_intr *intr)
+{
+        return ioread32(&intr->ctrl->int_credits);
+}
+
+static inline void vnic_intr_return_all_credits(struct vnic_intr *intr)
+{
+        unsigned int credits = vnic_intr_credits(intr);
+        int unmask = 1;
+        int reset_timer = 1;
+
+        vnic_intr_return_credits(intr, credits, unmask, reset_timer);
+}
+
+static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba)
+{
+        /* read PBA without clearing */
+        return ioread32(legacy_pba);
+}
+
+void vnic_intr_free(struct vnic_intr *intr);
+int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
+        unsigned int index);
+void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer,
+        unsigned int coalescing_type, unsigned int mask_on_assertion);
+void vnic_intr_clean(struct vnic_intr *intr);
+
+#endif /* _VNIC_INTR_H_ */
diff --git a/drivers/scsi/fnic/vnic_nic.h b/drivers/scsi/fnic/vnic_nic.h
new file mode 100644
index 000000000000..f15b83eeaced
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_nic.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_NIC_H_
+#define _VNIC_NIC_H_
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_set_nic_cfg fnic_set_nic_cfg
+
+#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD      0xffUL
+#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT           0
+#define NIC_CFG_RSS_HASH_TYPE                   (0xffUL << 8)
+#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD        0xffUL
+#define NIC_CFG_RSS_HASH_TYPE_SHIFT             8
+#define NIC_CFG_RSS_HASH_BITS                   (7UL << 16)
+#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD        7UL
+#define NIC_CFG_RSS_HASH_BITS_SHIFT             16
+#define NIC_CFG_RSS_BASE_CPU                    (7UL << 19)
+#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD         7UL
+#define NIC_CFG_RSS_BASE_CPU_SHIFT              19
+#define NIC_CFG_RSS_ENABLE                      (1UL << 22)
+#define NIC_CFG_RSS_ENABLE_MASK_FIELD           1UL
+#define NIC_CFG_RSS_ENABLE_SHIFT                22
+#define NIC_CFG_TSO_IPID_SPLIT_EN               (1UL << 23)
+#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD    1UL
+#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT         23
+#define NIC_CFG_IG_VLAN_STRIP_EN                (1UL << 24)
+#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD     1UL
+#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT          24
+
+static inline void vnic_set_nic_cfg(u32 *nic_cfg,
+        u8 rss_default_cpu, u8 rss_hash_type,
+        u8 rss_hash_bits, u8 rss_base_cpu,
+        u8 rss_enable, u8 tso_ipid_split_en,
+        u8 ig_vlan_strip_en)
+{
+        *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
+                ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
+                        << NIC_CFG_RSS_HASH_TYPE_SHIFT) |
+                ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
+                        << NIC_CFG_RSS_HASH_BITS_SHIFT) |
+                ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
+                        << NIC_CFG_RSS_BASE_CPU_SHIFT) |
+                ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
+                        << NIC_CFG_RSS_ENABLE_SHIFT) |
+                ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
+                        << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
+                ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
+                        << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
+}
+
+#endif /* _VNIC_NIC_H_ */
diff --git a/drivers/scsi/fnic/vnic_resource.h b/drivers/scsi/fnic/vnic_resource.h
new file mode 100644
index 000000000000..2d842f79d41a
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_resource.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_RESOURCE_H_
+#define _VNIC_RESOURCE_H_
+
+#define VNIC_RES_MAGIC          0x766E6963L     /* 'vnic' */
+#define VNIC_RES_VERSION        0x00000000L
+
+/* vNIC resource types */
+enum vnic_res_type {
+        RES_TYPE_EOL,                   /* End-of-list */
+        RES_TYPE_WQ,                    /* Work queues */
+        RES_TYPE_RQ,                    /* Receive queues */
+        RES_TYPE_CQ,                    /* Completion queues */
+        RES_TYPE_RSVD1,
+        RES_TYPE_NIC_CFG,               /* Enet NIC config registers */
+        RES_TYPE_RSVD2,
+        RES_TYPE_RSVD3,
+        RES_TYPE_RSVD4,
+        RES_TYPE_RSVD5,
+        RES_TYPE_INTR_CTRL,             /* Interrupt ctrl table */
+        RES_TYPE_INTR_TABLE,            /* MSI/MSI-X Interrupt table */
+        RES_TYPE_INTR_PBA,              /* MSI/MSI-X PBA table */
+        RES_TYPE_INTR_PBA_LEGACY,       /* Legacy intr status */
+        RES_TYPE_RSVD6,
+        RES_TYPE_RSVD7,
+        RES_TYPE_DEVCMD,                /* Device command region */
+        RES_TYPE_PASS_THRU_PAGE,        /* Pass-thru page */
+
+        RES_TYPE_MAX,                   /* Count of resource types */
+};
+
+struct vnic_resource_header {
+        u32 magic;
+        u32 version;
+};
+
+struct vnic_resource {
+        u8 type;
+        u8 bar;
+        u8 pad[2];
+        u32 bar_offset;
+        u32 count;
+};
+
+#endif /* _VNIC_RESOURCE_H_ */
diff --git a/drivers/scsi/fnic/vnic_rq.c b/drivers/scsi/fnic/vnic_rq.c
new file mode 100644
index 000000000000..bedd0d285630
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_rq.c
@@ -0,0 +1,196 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include "vnic_dev.h"
+#include "vnic_rq.h"
+
+static int vnic_rq_alloc_bufs(struct vnic_rq *rq)
+{
+        struct vnic_rq_buf *buf;
+        struct vnic_dev *vdev;
+        unsigned int i, j, count = rq->ring.desc_count;
+        unsigned int blks = VNIC_RQ_BUF_BLKS_NEEDED(count);
+
+        vdev = rq->vdev;
+
+        for (i = 0; i < blks; i++) {
+                rq->bufs[i] = kzalloc(VNIC_RQ_BUF_BLK_SZ, GFP_ATOMIC);
+                if (!rq->bufs[i]) {
+                        printk(KERN_ERR "Failed to alloc rq_bufs\n");
+                        return -ENOMEM;
+                }
+        }
+
+        for (i = 0; i < blks; i++) {
+                buf = rq->bufs[i];
+                for (j = 0; j < VNIC_RQ_BUF_BLK_ENTRIES; j++) {
+                        buf->index = i * VNIC_RQ_BUF_BLK_ENTRIES + j;
+                        buf->desc = (u8 *)rq->ring.descs +
+                                rq->ring.desc_size * buf->index;
+                        if (buf->index + 1 == count) {
+                                buf->next = rq->bufs[0];
+                                break;
+                        } else if (j + 1 == VNIC_RQ_BUF_BLK_ENTRIES) {
+                                buf->next = rq->bufs[i + 1];
+                        } else {
+                                buf->next = buf + 1;
+                                buf++;
+                        }
+                }
+        }
+
+        rq->to_use = rq->to_clean = rq->bufs[0];
+        rq->buf_index = 0;
+
+        return 0;
+}
+
+void vnic_rq_free(struct vnic_rq *rq)
+{
+        struct vnic_dev *vdev;
+        unsigned int i;
+
+        vdev = rq->vdev;
+
+        vnic_dev_free_desc_ring(vdev, &rq->ring);
+
+        for (i = 0; i < VNIC_RQ_BUF_BLKS_MAX; i++) {
+                kfree(rq->bufs[i]);
+                rq->bufs[i] = NULL;
+        }
+
+        rq->ctrl = NULL;
+}
+
+int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index,
+        unsigned int desc_count, unsigned int desc_size)
+{
+        int err;
+
+        rq->index = index;
+        rq->vdev = vdev;
+
+        rq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_RQ, index);
+        if (!rq->ctrl) {
+                printk(KERN_ERR "Failed to hook RQ[%d] resource\n", index);
+                return -EINVAL;
+        }
+
+        vnic_rq_disable(rq);
+
+        err = vnic_dev_alloc_desc_ring(vdev, &rq->ring, desc_count, desc_size);
+        if (err)
+                return err;
+
+        err = vnic_rq_alloc_bufs(rq);
+        if (err) {
+                vnic_rq_free(rq);
+                return err;
+        }
+
+        return 0;
+}
+
+void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
+        unsigned int error_interrupt_enable,
+        unsigned int error_interrupt_offset)
+{
+        u64 paddr;
+        u32 fetch_index;
+
+        paddr = (u64)rq->ring.base_addr | VNIC_PADDR_TARGET;
+        writeq(paddr, &rq->ctrl->ring_base);
+        iowrite32(rq->ring.desc_count, &rq->ctrl->ring_size);
+        iowrite32(cq_index, &rq->ctrl->cq_index);
+        iowrite32(error_interrupt_enable, &rq->ctrl->error_interrupt_enable);
+        iowrite32(error_interrupt_offset, &rq->ctrl->error_interrupt_offset);
+        iowrite32(0, &rq->ctrl->dropped_packet_count);
+        iowrite32(0, &rq->ctrl->error_status);
+
+        /* Use current fetch_index as the ring starting point */
+        fetch_index = ioread32(&rq->ctrl->fetch_index);
+        rq->to_use = rq->to_clean =
+                &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES]
+                        [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES];
+        iowrite32(fetch_index, &rq->ctrl->posted_index);
+
+        rq->buf_index = 0;
+}
+
+unsigned int vnic_rq_error_status(struct vnic_rq *rq)
+{
+        return ioread32(&rq->ctrl->error_status);
+}
+
+void vnic_rq_enable(struct vnic_rq *rq)
+{
+        iowrite32(1, &rq->ctrl->enable);
+}
+
+int vnic_rq_disable(struct vnic_rq *rq)
+{
+        unsigned int wait;
+
+        iowrite32(0, &rq->ctrl->enable);
+
+        /* Wait for HW to ACK disable request */
+        for (wait = 0; wait < 100; wait++) {
+                if (!(ioread32(&rq->ctrl->running)))
+                        return 0;
+                udelay(1);
+        }
+
+        printk(KERN_ERR "Failed to disable RQ[%d]\n", rq->index);
+
+        return -ETIMEDOUT;
+}
+
+void vnic_rq_clean(struct vnic_rq *rq,
+        void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf))
+{
+        struct vnic_rq_buf *buf;
+        u32 fetch_index;
+
+        BUG_ON(ioread32(&rq->ctrl->enable));
+
+        buf = rq->to_clean;
+
+        while (vnic_rq_desc_used(rq) > 0) {
+
+                (*buf_clean)(rq, buf);
+
+                buf = rq->to_clean = buf->next;
+                rq->ring.desc_avail++;
+        }
+
+        /* Use current fetch_index as the ring starting point */
+        fetch_index = ioread32(&rq->ctrl->fetch_index);
+        rq->to_use = rq->to_clean =
+                &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES]
+                        [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES];
+        iowrite32(fetch_index, &rq->ctrl->posted_index);
+
+        rq->buf_index = 0;
+
+        vnic_dev_clear_desc_ring(&rq->ring);
+}
+
diff --git a/drivers/scsi/fnic/vnic_rq.h b/drivers/scsi/fnic/vnic_rq.h
new file mode 100644
index 000000000000..aebdfbd6ad3c
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_rq.h
@@ -0,0 +1,235 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_RQ_H_
+#define _VNIC_RQ_H_
+
+#include <linux/pci.h>
+#include "vnic_dev.h"
+#include "vnic_cq.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_rq_desc_avail fnic_rq_desc_avail
+#define vnic_rq_desc_used fnic_rq_desc_used
+#define vnic_rq_next_desc fnic_rq_next_desc
+#define vnic_rq_next_index fnic_rq_next_index
+#define vnic_rq_next_buf_index fnic_rq_next_buf_index
+#define vnic_rq_post fnic_rq_post
+#define vnic_rq_posting_soon fnic_rq_posting_soon
+#define vnic_rq_return_descs fnic_rq_return_descs
+#define vnic_rq_service fnic_rq_service
+#define vnic_rq_fill fnic_rq_fill
+#define vnic_rq_free fnic_rq_free
+#define vnic_rq_alloc fnic_rq_alloc
+#define vnic_rq_init fnic_rq_init
+#define vnic_rq_error_status fnic_rq_error_status
+#define vnic_rq_enable fnic_rq_enable
+#define vnic_rq_disable fnic_rq_disable
+#define vnic_rq_clean fnic_rq_clean
+
+/* Receive queue control */
+struct vnic_rq_ctrl {
+        u64 ring_base;                  /* 0x00 */
+        u32 ring_size;                  /* 0x08 */
+        u32 pad0;
+        u32 posted_index;               /* 0x10 */
+        u32 pad1;
+        u32 cq_index;                   /* 0x18 */
+        u32 pad2;
+        u32 enable;                     /* 0x20 */
+        u32 pad3;
+        u32 running;                    /* 0x28 */
+        u32 pad4;
+        u32 fetch_index;                /* 0x30 */
+        u32 pad5;
+        u32 error_interrupt_enable;     /* 0x38 */
+        u32 pad6;
+        u32 error_interrupt_offset;     /* 0x40 */
+        u32 pad7;
+        u32 error_status;               /* 0x48 */
+        u32 pad8;
+        u32 dropped_packet_count;       /* 0x50 */
+        u32 pad9;
+        u32 dropped_packet_count_rc;    /* 0x58 */
+        u32 pad10;
+};
+
+/* Break the vnic_rq_buf allocations into blocks of 64 entries */
+#define VNIC_RQ_BUF_BLK_ENTRIES 64
+#define VNIC_RQ_BUF_BLK_SZ \
+        (VNIC_RQ_BUF_BLK_ENTRIES * sizeof(struct vnic_rq_buf))
+#define VNIC_RQ_BUF_BLKS_NEEDED(entries) \
+        DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES)
+#define VNIC_RQ_BUF_BLKS_MAX VNIC_RQ_BUF_BLKS_NEEDED(4096)
+
+struct vnic_rq_buf {
+        struct vnic_rq_buf *next;
+        dma_addr_t dma_addr;
+        void *os_buf;
+        unsigned int os_buf_index;
+        unsigned int len;
+        unsigned int index;
+        void *desc;
+};
+
+struct vnic_rq {
+        unsigned int index;
+        struct vnic_dev *vdev;
+        struct vnic_rq_ctrl __iomem *ctrl;      /* memory-mapped */
+        struct vnic_dev_ring ring;
+        struct vnic_rq_buf *bufs[VNIC_RQ_BUF_BLKS_MAX];
+        struct vnic_rq_buf *to_use;
+        struct vnic_rq_buf *to_clean;
+        void *os_buf_head;
+        unsigned int buf_index;
+        unsigned int pkts_outstanding;
+};
+
+static inline unsigned int vnic_rq_desc_avail(struct vnic_rq *rq)
+{
+        /* how many does SW own? */
+        return rq->ring.desc_avail;
+}
+
+static inline unsigned int vnic_rq_desc_used(struct vnic_rq *rq)
+{
+        /* how many does HW own? */
+        return rq->ring.desc_count - rq->ring.desc_avail - 1;
+}
+
+static inline void *vnic_rq_next_desc(struct vnic_rq *rq)
+{
+        return rq->to_use->desc;
+}
+
+static inline unsigned int vnic_rq_next_index(struct vnic_rq *rq)
+{
+        return rq->to_use->index;
+}
+
+static inline unsigned int vnic_rq_next_buf_index(struct vnic_rq *rq)
+{
+        return rq->buf_index++;
+}
+
+static inline void vnic_rq_post(struct vnic_rq *rq,
+        void *os_buf, unsigned int os_buf_index,
+        dma_addr_t dma_addr, unsigned int len)
+{
+        struct vnic_rq_buf *buf = rq->to_use;
+
+        buf->os_buf = os_buf;
+        buf->os_buf_index = os_buf_index;
+        buf->dma_addr = dma_addr;
+        buf->len = len;
+
+        buf = buf->next;
+        rq->to_use = buf;
+        rq->ring.desc_avail--;
+
+        /* Move the posted_index every nth descriptor
+         */
+
+#ifndef VNIC_RQ_RETURN_RATE
+#define VNIC_RQ_RETURN_RATE             0xf     /* keep 2^n - 1 */
+#endif
+
+        if ((buf->index & VNIC_RQ_RETURN_RATE) == 0) {
+                /* Adding write memory barrier prevents compiler and/or CPU
+                 * reordering, thus avoiding descriptor posting before
+                 * descriptor is initialized. Otherwise, hardware can read
+                 * stale descriptor fields.
+                 */
+                wmb();
+                iowrite32(buf->index, &rq->ctrl->posted_index);
+        }
+}
+
+static inline int vnic_rq_posting_soon(struct vnic_rq *rq)
+{
+        return (rq->to_use->index & VNIC_RQ_RETURN_RATE) == 0;
+}
+
+static inline void vnic_rq_return_descs(struct vnic_rq *rq, unsigned int count)
+{
+        rq->ring.desc_avail += count;
+}
+
+enum desc_return_options {
+        VNIC_RQ_RETURN_DESC,
+        VNIC_RQ_DEFER_RETURN_DESC,
+};
+
+static inline void vnic_rq_service(struct vnic_rq *rq,
+        struct cq_desc *cq_desc, u16 completed_index,
+        int desc_return, void (*buf_service)(struct vnic_rq *rq,
+        struct cq_desc *cq_desc, struct vnic_rq_buf *buf,
+        int skipped, void *opaque), void *opaque)
+{
+        struct vnic_rq_buf *buf;
+        int skipped;
+
+        buf = rq->to_clean;
+        while (1) {
+
+                skipped = (buf->index != completed_index);
+
+                (*buf_service)(rq, cq_desc, buf, skipped, opaque);
+
+                if (desc_return == VNIC_RQ_RETURN_DESC)
+                        rq->ring.desc_avail++;
+
+                rq->to_clean = buf->next;
+
+                if (!skipped)
+                        break;
+
+                buf = rq->to_clean;
+        }
+}
+
+static inline int vnic_rq_fill(struct vnic_rq *rq,
+        int (*buf_fill)(struct vnic_rq *rq))
+{
+        int err;
+
+        while (vnic_rq_desc_avail(rq) > 1) {
+
+                err = (*buf_fill)(rq);
+                if (err)
+                        return err;
+        }
+
+        return 0;
+}
+
+void vnic_rq_free(struct vnic_rq *rq);
+int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index,
+        unsigned int desc_count, unsigned int desc_size);
+void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
+        unsigned int error_interrupt_enable,
+        unsigned int error_interrupt_offset);
+unsigned int vnic_rq_error_status(struct vnic_rq *rq);
+void vnic_rq_enable(struct vnic_rq *rq);
+int vnic_rq_disable(struct vnic_rq *rq);
+void vnic_rq_clean(struct vnic_rq *rq,
+        void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf));
+
+#endif /* _VNIC_RQ_H_ */
diff --git a/drivers/scsi/fnic/vnic_scsi.h b/drivers/scsi/fnic/vnic_scsi.h
new file mode 100644
index 000000000000..46baa5254001
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_scsi.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_SCSI_H_
+#define _VNIC_SCSI_H_
+
+#define VNIC_FNIC_WQ_COPY_COUNT_MIN         1
+#define VNIC_FNIC_WQ_COPY_COUNT_MAX         1
+
+#define VNIC_FNIC_WQ_DESCS_MIN              64
+#define VNIC_FNIC_WQ_DESCS_MAX              128
+
+#define VNIC_FNIC_WQ_COPY_DESCS_MIN         64
+#define VNIC_FNIC_WQ_COPY_DESCS_MAX         512
+
+#define VNIC_FNIC_RQ_DESCS_MIN              64
+#define VNIC_FNIC_RQ_DESCS_MAX              128
+
+#define VNIC_FNIC_EDTOV_MIN                 1000
+#define VNIC_FNIC_EDTOV_MAX                 255000
+#define VNIC_FNIC_EDTOV_DEF                 2000
+
+#define VNIC_FNIC_RATOV_MIN                 1000
+#define VNIC_FNIC_RATOV_MAX                 255000
+
+#define VNIC_FNIC_MAXDATAFIELDSIZE_MIN      256
+#define VNIC_FNIC_MAXDATAFIELDSIZE_MAX      2112
+
+#define VNIC_FNIC_FLOGI_RETRIES_MIN         0
+#define VNIC_FNIC_FLOGI_RETRIES_MAX         0xffffffff
+#define VNIC_FNIC_FLOGI_RETRIES_DEF         0xffffffff
+
+#define VNIC_FNIC_FLOGI_TIMEOUT_MIN         1000
+#define VNIC_FNIC_FLOGI_TIMEOUT_MAX         255000
+
+#define VNIC_FNIC_PLOGI_RETRIES_MIN         0
+#define VNIC_FNIC_PLOGI_RETRIES_MAX         255
+#define VNIC_FNIC_PLOGI_RETRIES_DEF         8
+
+#define VNIC_FNIC_PLOGI_TIMEOUT_MIN         1000
+#define VNIC_FNIC_PLOGI_TIMEOUT_MAX         255000
+
+#define VNIC_FNIC_IO_THROTTLE_COUNT_MIN     256
+#define VNIC_FNIC_IO_THROTTLE_COUNT_MAX     4096
+
+#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MIN     0
+#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX     240000
+
+#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MIN     0
+#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX     240000
+
+#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MIN  0
+#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX  255
+
+#define VNIC_FNIC_LUNS_PER_TARGET_MIN       1
+#define VNIC_FNIC_LUNS_PER_TARGET_MAX       1024
+
+/* Device-specific region: scsi configuration */
+struct vnic_fc_config {
+        u64 node_wwn;
+        u64 port_wwn;
+        u32 flags;
+        u32 wq_enet_desc_count;
+        u32 wq_copy_desc_count;
+        u32 rq_desc_count;
+        u32 flogi_retries;
+        u32 flogi_timeout;
+        u32 plogi_retries;
+        u32 plogi_timeout;
+        u32 io_throttle_count;
+        u32 link_down_timeout;
+        u32 port_down_timeout;
+        u32 port_down_io_retries;
+        u32 luns_per_tgt;
+        u16 maxdatafieldsize;
+        u16 ed_tov;
+        u16 ra_tov;
+        u16 intr_timer;
+        u8 intr_timer_type;
+};
+
+#define VFCF_FCP_SEQ_LVL_ERR    0x1     /* Enable FCP-2 Error Recovery */
+#define VFCF_PERBI              0x2     /* persistent binding info available */
+
+#endif /* _VNIC_SCSI_H_ */
diff --git a/drivers/scsi/fnic/vnic_stats.h b/drivers/scsi/fnic/vnic_stats.h
new file mode 100644
index 000000000000..5372e23c1cb3
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_stats.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_STATS_H_
+#define _VNIC_STATS_H_
+
+/* Tx statistics */
+struct vnic_tx_stats {
+        u64 tx_frames_ok;
+        u64 tx_unicast_frames_ok;
+        u64 tx_multicast_frames_ok;
+        u64 tx_broadcast_frames_ok;
+        u64 tx_bytes_ok;
+        u64 tx_unicast_bytes_ok;
+        u64 tx_multicast_bytes_ok;
+        u64 tx_broadcast_bytes_ok;
+        u64 tx_drops;
+        u64 tx_errors;
+        u64 tx_tso;
+        u64 rsvd[16];
+};
+
+/* Rx statistics */
+struct vnic_rx_stats {
+        u64 rx_frames_ok;
+        u64 rx_frames_total;
+        u64 rx_unicast_frames_ok;
+        u64 rx_multicast_frames_ok;
+        u64 rx_broadcast_frames_ok;
+        u64 rx_bytes_ok;
+        u64 rx_unicast_bytes_ok;
+        u64 rx_multicast_bytes_ok;
+        u64 rx_broadcast_bytes_ok;
+        u64 rx_drop;
+        u64 rx_no_bufs;
+        u64 rx_errors;
+        u64 rx_rss;
+        u64 rx_crc_errors;
+        u64 rx_frames_64;
+        u64 rx_frames_127;
+        u64 rx_frames_255;
+        u64 rx_frames_511;
+        u64 rx_frames_1023;
+        u64 rx_frames_1518;
+        u64 rx_frames_to_max;
+        u64 rsvd[16];
+};
+
+struct vnic_stats {
+        struct vnic_tx_stats tx;
+        struct vnic_rx_stats rx;
+};
+
+#endif /* _VNIC_STATS_H_ */
diff --git a/drivers/scsi/fnic/vnic_wq.c b/drivers/scsi/fnic/vnic_wq.c
new file mode 100644
index 000000000000..1f9ea790d130
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_wq.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+
+static int vnic_wq_alloc_bufs(struct vnic_wq *wq)
+{
+        struct vnic_wq_buf *buf;
+        struct vnic_dev *vdev;
+        unsigned int i, j, count = wq->ring.desc_count;
+        unsigned int blks = VNIC_WQ_BUF_BLKS_NEEDED(count);
+
+        vdev = wq->vdev;
+
+        for (i = 0; i < blks; i++) {
+                wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ, GFP_ATOMIC);
+                if (!wq->bufs[i]) {
+                        printk(KERN_ERR "Failed to alloc wq_bufs\n");
+                        return -ENOMEM;
+                }
+        }
+
+        for (i = 0; i < blks; i++) {
+                buf = wq->bufs[i];
+                for (j = 0; j < VNIC_WQ_BUF_BLK_ENTRIES; j++) {
+                        buf->index = i * VNIC_WQ_BUF_BLK_ENTRIES + j;
+                        buf->desc = (u8 *)wq->ring.descs +
+                                wq->ring.desc_size * buf->index;
+                        if (buf->index + 1 == count) {
+                                buf->next = wq->bufs[0];
+                                break;
+                        } else if (j + 1 == VNIC_WQ_BUF_BLK_ENTRIES) {
+                                buf->next = wq->bufs[i + 1];
+                        } else {
+                                buf->next = buf + 1;
+                                buf++;
+                        }
+                }
+        }
+
+        wq->to_use = wq->to_clean = wq->bufs[0];
+
+        return 0;
+}
+
+void vnic_wq_free(struct vnic_wq *wq)
+{
+        struct vnic_dev *vdev;
+        unsigned int i;
+
+        vdev = wq->vdev;
+
+        vnic_dev_free_desc_ring(vdev, &wq->ring);
+
+        for (i = 0; i < VNIC_WQ_BUF_BLKS_MAX; i++) {
+                kfree(wq->bufs[i]);
+                wq->bufs[i] = NULL;
+        }
+
+        wq->ctrl = NULL;
+
+}
+
+int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
+        unsigned int desc_count, unsigned int desc_size)
+{
+        int err;
+
+        wq->index = index;
+        wq->vdev = vdev;
+
+        wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index);
+        if (!wq->ctrl) {
+                printk(KERN_ERR "Failed to hook WQ[%d] resource\n", index);
+                return -EINVAL;
+        }
+
+        vnic_wq_disable(wq);
+
+        err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size);
+        if (err)
+                return err;
+
+        err = vnic_wq_alloc_bufs(wq);
+        if (err) {
+                vnic_wq_free(wq);
+                return err;
+        }
+
+        return 0;
+}
+
+void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index,
+        unsigned int error_interrupt_enable,
+        unsigned int error_interrupt_offset)
+{
+        u64 paddr;
+
+        paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET;
+        writeq(paddr, &wq->ctrl->ring_base);
+        iowrite32(wq->ring.desc_count, &wq->ctrl->ring_size);
+        iowrite32(0, &wq->ctrl->fetch_index);
+        iowrite32(0, &wq->ctrl->posted_index);
+        iowrite32(cq_index, &wq->ctrl->cq_index);
+        iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable);
+        iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset);
+        iowrite32(0, &wq->ctrl->error_status);
+}
+
+unsigned int vnic_wq_error_status(struct vnic_wq *wq)
+{
+        return ioread32(&wq->ctrl->error_status);
+}
+
+void vnic_wq_enable(struct vnic_wq *wq)
+{
+        iowrite32(1, &wq->ctrl->enable);
+}
+
+int vnic_wq_disable(struct vnic_wq *wq)
+{
+        unsigned int wait;
+
+        iowrite32(0, &wq->ctrl->enable);
+
+        /* Wait for HW to ACK disable request */
+        for (wait = 0; wait < 100; wait++) {
+                if (!(ioread32(&wq->ctrl->running)))
+                        return 0;
+                udelay(1);
+        }
+
+        printk(KERN_ERR "Failed to disable WQ[%d]\n", wq->index);
+
+        return -ETIMEDOUT;
+}
+
+void vnic_wq_clean(struct vnic_wq *wq,
+        void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf))
+{
+        struct vnic_wq_buf *buf;
+
+        BUG_ON(ioread32(&wq->ctrl->enable));
+
+        buf = wq->to_clean;
+
+        while (vnic_wq_desc_used(wq) > 0) {
+
+                (*buf_clean)(wq, buf);
+
+                buf = wq->to_clean = buf->next;
+                wq->ring.desc_avail++;
+        }
+
+        wq->to_use = wq->to_clean = wq->bufs[0];
+
+        iowrite32(0, &wq->ctrl->fetch_index);
+        iowrite32(0, &wq->ctrl->posted_index);
+        iowrite32(0, &wq->ctrl->error_status);
+
+        vnic_dev_clear_desc_ring(&wq->ring);
+}
diff --git a/drivers/scsi/fnic/vnic_wq.h b/drivers/scsi/fnic/vnic_wq.h
new file mode 100644
index 000000000000..5cd094f79281
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_wq.h
@@ -0,0 +1,175 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_WQ_H_
+#define _VNIC_WQ_H_
+
+#include <linux/pci.h>
+#include "vnic_dev.h"
+#include "vnic_cq.h"
+
+/*
+ * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
+ * Driver) when both are built with CONFIG options =y
+ */
+#define vnic_wq_desc_avail fnic_wq_desc_avail
+#define vnic_wq_desc_used fnic_wq_desc_used
+#define vnic_wq_next_desc fni_cwq_next_desc
+#define vnic_wq_post fnic_wq_post
+#define vnic_wq_service fnic_wq_service
+#define vnic_wq_free fnic_wq_free
+#define vnic_wq_alloc fnic_wq_alloc
+#define vnic_wq_init fnic_wq_init
+#define vnic_wq_error_status fnic_wq_error_status
+#define vnic_wq_enable fnic_wq_enable
+#define vnic_wq_disable fnic_wq_disable
+#define vnic_wq_clean fnic_wq_clean
+
+/* Work queue control */
+struct vnic_wq_ctrl {
+        u64 ring_base;                  /* 0x00 */
+        u32 ring_size;                  /* 0x08 */
+        u32 pad0;
+        u32 posted_index;               /* 0x10 */
+        u32 pad1;
+        u32 cq_index;                   /* 0x18 */
+        u32 pad2;
+        u32 enable;                     /* 0x20 */
+        u32 pad3;
+        u32 running;                    /* 0x28 */
+        u32 pad4;
+        u32 fetch_index;                /* 0x30 */
+        u32 pad5;
+        u32 dca_value;                  /* 0x38 */
+        u32 pad6;
+        u32 error_interrupt_enable;     /* 0x40 */
+        u32 pad7;
+        u32 error_interrupt_offset;     /* 0x48 */
+        u32 pad8;
+        u32 error_status;               /* 0x50 */
+        u32 pad9;
+};
+
+struct vnic_wq_buf {
+        struct vnic_wq_buf *next;
+        dma_addr_t dma_addr;
+        void *os_buf;
+        unsigned int len;
+        unsigned int index;
+        int sop;
+        void *desc;
+};
+
+/* Break the vnic_wq_buf allocations into blocks of 64 entries */
+#define VNIC_WQ_BUF_BLK_ENTRIES 64
+#define VNIC_WQ_BUF_BLK_SZ \
+        (VNIC_WQ_BUF_BLK_ENTRIES * sizeof(struct vnic_wq_buf))
+#define VNIC_WQ_BUF_BLKS_NEEDED(entries) \
+        DIV_ROUND_UP(entries, VNIC_WQ_BUF_BLK_ENTRIES)
+#define VNIC_WQ_BUF_BLKS_MAX VNIC_WQ_BUF_BLKS_NEEDED(4096)
+
+struct vnic_wq {
+        unsigned int index;
+        struct vnic_dev *vdev;
+        struct vnic_wq_ctrl __iomem *ctrl;      /* memory-mapped */
+        struct vnic_dev_ring ring;
+        struct vnic_wq_buf *bufs[VNIC_WQ_BUF_BLKS_MAX];
+        struct vnic_wq_buf *to_use;
+        struct vnic_wq_buf *to_clean;
+        unsigned int pkts_outstanding;
+};
+
+static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq)
+{
+        /* how many does SW own? */
+        return wq->ring.desc_avail;
+}
+
+static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq)
+{
+        /* how many does HW own? */
+        return wq->ring.desc_count - wq->ring.desc_avail - 1;
+}
+
+static inline void *vnic_wq_next_desc(struct vnic_wq *wq)
+{
+        return wq->to_use->desc;
+}
+
+static inline void vnic_wq_post(struct vnic_wq *wq,
+        void *os_buf, dma_addr_t dma_addr,
+        unsigned int len, int sop, int eop)
+{
+        struct vnic_wq_buf *buf = wq->to_use;
+
+        buf->sop = sop;
+        buf->os_buf = eop ? os_buf : NULL;
+        buf->dma_addr = dma_addr;
+        buf->len = len;
+
+        buf = buf->next;
+        if (eop) {
+                /* Adding write memory barrier prevents compiler and/or CPU
+                 * reordering, thus avoiding descriptor posting before
+                 * descriptor is initialized. Otherwise, hardware can read
+                 * stale descriptor fields.
+                 */
+                wmb();
+                iowrite32(buf->index, &wq->ctrl->posted_index);
+        }
+        wq->to_use = buf;
+
+        wq->ring.desc_avail--;
+}
+
+static inline void vnic_wq_service(struct vnic_wq *wq,
+        struct cq_desc *cq_desc, u16 completed_index,
+        void (*buf_service)(struct vnic_wq *wq,
+        struct cq_desc *cq_desc, struct vnic_wq_buf *buf, void *opaque),
+        void *opaque)
+{
+        struct vnic_wq_buf *buf;
+
+        buf = wq->to_clean;
+        while (1) {
+
+                (*buf_service)(wq, cq_desc, buf, opaque);
+
+                wq->ring.desc_avail++;
+
+                wq->to_clean = buf->next;
+
+                if (buf->index == completed_index)
+                        break;
+
+                buf = wq->to_clean;
+        }
+}
+
+void vnic_wq_free(struct vnic_wq *wq);
+int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
+        unsigned int desc_count, unsigned int desc_size);
+void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index,
+        unsigned int error_interrupt_enable,
+        unsigned int error_interrupt_offset);
+unsigned int vnic_wq_error_status(struct vnic_wq *wq);
+void vnic_wq_enable(struct vnic_wq *wq);
+int vnic_wq_disable(struct vnic_wq *wq);
+void vnic_wq_clean(struct vnic_wq *wq,
+        void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf));
+
+#endif /* _VNIC_WQ_H_ */
diff --git a/drivers/scsi/fnic/vnic_wq_copy.c b/drivers/scsi/fnic/vnic_wq_copy.c
new file mode 100644
index 000000000000..9eab7e7caf38
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_wq_copy.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include "vnic_wq_copy.h"
+
+void vnic_wq_copy_enable(struct vnic_wq_copy *wq)
+{
+        iowrite32(1, &wq->ctrl->enable);
+}
+
+int vnic_wq_copy_disable(struct vnic_wq_copy *wq)
+{
+        unsigned int wait;
+
+        iowrite32(0, &wq->ctrl->enable);
+
+        /* Wait for HW to ACK disable request */
+        for (wait = 0; wait < 100; wait++) {
+                if (!(ioread32(&wq->ctrl->running)))
+                        return 0;
+                udelay(1);
+        }
+
+        printk(KERN_ERR "Failed to disable Copy WQ[%d],"
+               " fetch index=%d, posted_index=%d\n",
+               wq->index, ioread32(&wq->ctrl->fetch_index),
+               ioread32(&wq->ctrl->posted_index));
+
+        return -ENODEV;
+}
+
+void vnic_wq_copy_clean(struct vnic_wq_copy *wq,
+        void (*q_clean)(struct vnic_wq_copy *wq,
+        struct fcpio_host_req *wq_desc))
+{
+        BUG_ON(ioread32(&wq->ctrl->enable));
+
+        if (vnic_wq_copy_desc_in_use(wq))
+                vnic_wq_copy_service(wq, -1, q_clean);
+
+        wq->to_use_index = wq->to_clean_index = 0;
+
+        iowrite32(0, &wq->ctrl->fetch_index);
+        iowrite32(0, &wq->ctrl->posted_index);
+        iowrite32(0, &wq->ctrl->error_status);
+
+        vnic_dev_clear_desc_ring(&wq->ring);
+}
+
+void vnic_wq_copy_free(struct vnic_wq_copy *wq)
+{
+        struct vnic_dev *vdev;
+
+        vdev = wq->vdev;
+        vnic_dev_free_desc_ring(vdev, &wq->ring);
+        wq->ctrl = NULL;
+}
+
+int vnic_wq_copy_alloc(struct vnic_dev *vdev, struct vnic_wq_copy *wq,
+                       unsigned int index, unsigned int desc_count,
+                       unsigned int desc_size)
+{
+        int err;
+
+        wq->index = index;
+        wq->vdev = vdev;
+        wq->to_use_index = wq->to_clean_index = 0;
+        wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index);
+        if (!wq->ctrl) {
+                printk(KERN_ERR "Failed to hook COPY WQ[%d] resource\n", index);
+                return -EINVAL;
+        }
+
+        vnic_wq_copy_disable(wq);
+
+        err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size);
+        if (err)
+                return err;
+
+        return 0;
+}
+
+void vnic_wq_copy_init(struct vnic_wq_copy *wq, unsigned int cq_index,
+        unsigned int error_interrupt_enable,
+        unsigned int error_interrupt_offset)
+{
+        u64 paddr;
+
+        paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET;
+        writeq(paddr, &wq->ctrl->ring_base);
+        iowrite32(wq->ring.desc_count, &wq->ctrl->ring_size);
+        iowrite32(0, &wq->ctrl->fetch_index);
+        iowrite32(0, &wq->ctrl->posted_index);
+        iowrite32(cq_index, &wq->ctrl->cq_index);
+        iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable);
+        iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset);
+}
+
diff --git a/drivers/scsi/fnic/vnic_wq_copy.h b/drivers/scsi/fnic/vnic_wq_copy.h
new file mode 100644
index 000000000000..6aff9740c3df
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_wq_copy.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _VNIC_WQ_COPY_H_
+#define _VNIC_WQ_COPY_H_
+
+#include <linux/pci.h>
+#include "vnic_wq.h"
+#include "fcpio.h"
+
+#define VNIC_WQ_COPY_MAX 1
+
+struct vnic_wq_copy {
+        unsigned int index;
+        struct vnic_dev *vdev;
+        struct vnic_wq_ctrl __iomem *ctrl;      /* memory-mapped */
+        struct vnic_dev_ring ring;
+        unsigned to_use_index;
+        unsigned to_clean_index;
+};
+
+static inline unsigned int vnic_wq_copy_desc_avail(struct vnic_wq_copy *wq)
+{
+        return wq->ring.desc_avail;
+}
+
+static inline unsigned int vnic_wq_copy_desc_in_use(struct vnic_wq_copy *wq)
+{
+        return wq->ring.desc_count - 1 - wq->ring.desc_avail;
+}
+
+static inline void *vnic_wq_copy_next_desc(struct vnic_wq_copy *wq)
+{
+        struct fcpio_host_req *desc = wq->ring.descs;
+        return &desc[wq->to_use_index];
+}
+
+static inline void vnic_wq_copy_post(struct vnic_wq_copy *wq)
+{
+
+        ((wq->to_use_index + 1) == wq->ring.desc_count) ?
+                (wq->to_use_index = 0) : (wq->to_use_index++);
+        wq->ring.desc_avail--;
+
+        /* Adding write memory barrier prevents compiler and/or CPU
+         * reordering, thus avoiding descriptor posting before
+         * descriptor is initialized. Otherwise, hardware can read
+         * stale descriptor fields.
+         */
+        wmb();
+
+        iowrite32(wq->to_use_index, &wq->ctrl->posted_index);
+}
+
+static inline void vnic_wq_copy_desc_process(struct vnic_wq_copy *wq, u16 index)
+{
+        unsigned int cnt;
+
+        if (wq->to_clean_index <= index)
+                cnt = (index - wq->to_clean_index) + 1;
+        else
+                cnt = wq->ring.desc_count - wq->to_clean_index + index + 1;
+
+        wq->to_clean_index = ((index + 1) % wq->ring.desc_count);
+        wq->ring.desc_avail += cnt;
+
+}
+
+static inline void vnic_wq_copy_service(struct vnic_wq_copy *wq,
+        u16 completed_index,
+        void (*q_service)(struct vnic_wq_copy *wq,
+        struct fcpio_host_req *wq_desc))
+{
+        struct fcpio_host_req *wq_desc = wq->ring.descs;
+        unsigned int curr_index;
+
+        while (1) {
+
+                if (q_service)
+                        (*q_service)(wq, &wq_desc[wq->to_clean_index]);
+
+                wq->ring.desc_avail++;
+
+                curr_index = wq->to_clean_index;
+
+                /* increment the to-clean index so that we start
+                 * with an unprocessed index next time we enter the loop
+                 */
+                ((wq->to_clean_index + 1) == wq->ring.desc_count) ?
+                        (wq->to_clean_index = 0) : (wq->to_clean_index++);
+
+                if (curr_index == completed_index)
+                        break;
+
+                /* we have cleaned all the entries */
+                if ((completed_index == (u16)-1) &&
+                    (wq->to_clean_index == wq->to_use_index))
+                        break;
+        }
+}
+
+void vnic_wq_copy_enable(struct vnic_wq_copy *wq);
+int vnic_wq_copy_disable(struct vnic_wq_copy *wq);
+void vnic_wq_copy_free(struct vnic_wq_copy *wq);
+int vnic_wq_copy_alloc(struct vnic_dev *vdev, struct vnic_wq_copy *wq,
+        unsigned int index, unsigned int desc_count, unsigned int desc_size);
+void vnic_wq_copy_init(struct vnic_wq_copy *wq, unsigned int cq_index,
+        unsigned int error_interrupt_enable,
+        unsigned int error_interrupt_offset);
+void vnic_wq_copy_clean(struct vnic_wq_copy *wq,
+        void (*q_clean)(struct vnic_wq_copy *wq,
+        struct fcpio_host_req *wq_desc));
+
+#endif /* _VNIC_WQ_COPY_H_ */
diff --git a/drivers/scsi/fnic/wq_enet_desc.h b/drivers/scsi/fnic/wq_enet_desc.h
new file mode 100644
index 000000000000..b121cbad18b8
--- /dev/null
+++ b/drivers/scsi/fnic/wq_enet_desc.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _WQ_ENET_DESC_H_
+#define _WQ_ENET_DESC_H_
+
+/* Ethernet work queue descriptor: 16B */
+struct wq_enet_desc {
+        __le64 address;
+        __le16 length;
+        __le16 mss_loopback;
+        __le16 header_length_flags;
+        __le16 vlan_tag;
+};
+
+#define WQ_ENET_ADDR_BITS               64
+#define WQ_ENET_LEN_BITS                14
+#define WQ_ENET_LEN_MASK                ((1 << WQ_ENET_LEN_BITS) - 1)
+#define WQ_ENET_MSS_BITS                14
+#define WQ_ENET_MSS_MASK                ((1 << WQ_ENET_MSS_BITS) - 1)
+#define WQ_ENET_MSS_SHIFT               2
+#define WQ_ENET_LOOPBACK_SHIFT          1
+#define WQ_ENET_HDRLEN_BITS             10
+#define WQ_ENET_HDRLEN_MASK             ((1 << WQ_ENET_HDRLEN_BITS) - 1)
+#define WQ_ENET_FLAGS_OM_BITS           2
+#define WQ_ENET_FLAGS_OM_MASK           ((1 << WQ_ENET_FLAGS_OM_BITS) - 1)
+#define WQ_ENET_FLAGS_EOP_SHIFT         12
+#define WQ_ENET_FLAGS_CQ_ENTRY_SHIFT    13
+#define WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT  14
+#define WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT     15
+
+#define WQ_ENET_OFFLOAD_MODE_CSUM       0
+#define WQ_ENET_OFFLOAD_MODE_RESERVED   1
+#define WQ_ENET_OFFLOAD_MODE_CSUM_L4    2
+#define WQ_ENET_OFFLOAD_MODE_TSO        3
+
+static inline void wq_enet_desc_enc(struct wq_enet_desc *desc,
+        u64 address, u16 length, u16 mss, u16 header_length,
+        u8 offload_mode, u8 eop, u8 cq_entry, u8 fcoe_encap,
+        u8 vlan_tag_insert, u16 vlan_tag, u8 loopback)
+{
+        desc->address = cpu_to_le64(address);
+        desc->length = cpu_to_le16(length & WQ_ENET_LEN_MASK);
+        desc->mss_loopback = cpu_to_le16((mss & WQ_ENET_MSS_MASK) <<
+                WQ_ENET_MSS_SHIFT | (loopback & 1) << WQ_ENET_LOOPBACK_SHIFT);
+        desc->header_length_flags = cpu_to_le16(
+                (header_length & WQ_ENET_HDRLEN_MASK) |
+                (offload_mode & WQ_ENET_FLAGS_OM_MASK) << WQ_ENET_HDRLEN_BITS |
+                (eop & 1) << WQ_ENET_FLAGS_EOP_SHIFT |
+                (cq_entry & 1) << WQ_ENET_FLAGS_CQ_ENTRY_SHIFT |
+                (fcoe_encap & 1) << WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT |
+                (vlan_tag_insert & 1) << WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT);
+        desc->vlan_tag = cpu_to_le16(vlan_tag);
+}
+
+static inline void wq_enet_desc_dec(struct wq_enet_desc *desc,
+        u64 *address, u16 *length, u16 *mss, u16 *header_length,
+        u8 *offload_mode, u8 *eop, u8 *cq_entry, u8 *fcoe_encap,
+        u8 *vlan_tag_insert, u16 *vlan_tag, u8 *loopback)
+{
+        *address = le64_to_cpu(desc->address);
+        *length = le16_to_cpu(desc->length) & WQ_ENET_LEN_MASK;
+        *mss = (le16_to_cpu(desc->mss_loopback) >> WQ_ENET_MSS_SHIFT) &
+                WQ_ENET_MSS_MASK;
+        *loopback = (u8)((le16_to_cpu(desc->mss_loopback) >>
+                WQ_ENET_LOOPBACK_SHIFT) & 1);
+        *header_length = le16_to_cpu(desc->header_length_flags) &
+                WQ_ENET_HDRLEN_MASK;
+        *offload_mode = (u8)((le16_to_cpu(desc->header_length_flags) >>
+                WQ_ENET_HDRLEN_BITS) & WQ_ENET_FLAGS_OM_MASK);
+        *eop = (u8)((le16_to_cpu(desc->header_length_flags) >>
+                WQ_ENET_FLAGS_EOP_SHIFT) & 1);
+        *cq_entry = (u8)((le16_to_cpu(desc->header_length_flags) >>
+                WQ_ENET_FLAGS_CQ_ENTRY_SHIFT) & 1);
+        *fcoe_encap = (u8)((le16_to_cpu(desc->header_length_flags) >>
+                WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT) & 1);
+        *vlan_tag_insert = (u8)((le16_to_cpu(desc->header_length_flags) >>
+                WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT) & 1);
+        *vlan_tag = le16_to_cpu(desc->vlan_tag);
+}
+
+#endif /* _WQ_ENET_DESC_H_ */
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index babd4cc0cb25..36b1d1052ba1 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -69,7 +69,7 @@
 #define MPT2SAS_AUTHOR  "LSI Corporation <DL-MPTFusionLinux@lsi.com>"
 #define MPT2SAS_DESCRIPTION     "LSI MPT Fusion SAS 2.0 Device Driver"
 #define MPT2SAS_DRIVER_VERSION          "01.100.02.00"
-#define MPT2SAS_MAJOR_VERSION           00
+#define MPT2SAS_MAJOR_VERSION           01
 #define MPT2SAS_MINOR_VERSION           100
 #define MPT2SAS_BUILD_VERSION           02
 #define MPT2SAS_RELEASE_VERSION         00
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 6f51ca485f35..e2b50d8f57a8 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -425,6 +425,7 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
         INIT_LIST_HEAD(&starget->devices);
         starget->state = STARGET_CREATED;
         starget->scsi_level = SCSI_2;
+        starget->max_target_blocked = SCSI_DEFAULT_TARGET_BLOCKED;
  retry:
         spin_lock_irqsave(shost->host_lock, flags);
 
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 094795455293..0a2ce7b6325c 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -357,7 +357,7 @@ int iscsi_session_chkready(struct iscsi_cls_session *session)
                 err = 0;
                 break;
         case ISCSI_SESSION_FAILED:
-                err = DID_TRANSPORT_DISRUPTED << 16;
+                err = DID_IMM_RETRY << 16;
                 break;
         case ISCSI_SESSION_FREE:
                 err = DID_TRANSPORT_FAILFAST << 16;
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index e1716f14cd47..91e316fe6522 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1065,6 +1065,7 @@ sg_ioctl(struct inode *inode, struct file *filp,
                 return blk_trace_setup(sdp->device->request_queue,
                                        sdp->disk->disk_name,
                                        MKDEV(SCSI_GENERIC_MAJOR, sdp->index),
+                                       NULL,
                                        (char *)arg);
         case BLKTRACESTART:
                 return blk_trace_startstop(sdp->device->request_queue, 1);
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index b4b39811b445..a0127e93ade0 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -137,6 +137,7 @@ struct uart_8250_port {
         unsigned char           mcr;
         unsigned char           mcr_mask;       /* mask of user bits */
         unsigned char           mcr_force;      /* mask of forced bits */
+        unsigned char           cur_iotype;     /* Running I/O type */
 
         /*
          * Some bits in registers are cleared on a read, so they must
@@ -471,6 +472,7 @@ static void io_serial_out(struct uart_port *p, int offset, int value)
 
 static void set_io_from_upio(struct uart_port *p)
 {
+        struct uart_8250_port *up = (struct uart_8250_port *)p;
         switch (p->iotype) {
         case UPIO_HUB6:
                 p->serial_in = hub6_serial_in;
@@ -509,6 +511,8 @@ static void set_io_from_upio(struct uart_port *p)
                 p->serial_out = io_serial_out;
                 break;
         }
+        /* Remember loaded iotype */
+        up->cur_iotype = p->iotype;
 }
 
 static void
@@ -1937,6 +1941,9 @@ static int serial8250_startup(struct uart_port *port)
         up->capabilities = uart_config[up->port.type].flags;
         up->mcr = 0;
 
+        if (up->port.iotype != up->cur_iotype)
+                set_io_from_upio(port);
+
         if (up->port.type == PORT_16C950) {
                 /* Wake up and initialize UART */
                 up->acr = 0;
@@ -2563,6 +2570,9 @@ static void serial8250_config_port(struct uart_port *port, int flags)
         if (ret < 0)
                 probeflags &= ~PROBE_RSA;
 
+        if (up->port.iotype != up->cur_iotype)
+                set_io_from_upio(port);
+
         if (flags & UART_CONFIG_TYPE)
                 autoconfig(up, probeflags);
         if (up->port.type != PORT_UNKNOWN && flags & UART_CONFIG_IRQ)
@@ -2671,6 +2681,11 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev)
 {
         int i;
 
+        for (i = 0; i < nr_uarts; i++) {
+                struct uart_8250_port *up = &serial8250_ports[i];
+                up->cur_iotype = 0xFF;
+        }
+
         serial8250_isa_init_ports();
 
         for (i = 0; i < nr_uarts; i++) {
diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c
index 418b4fe9a0a1..33149d982e82 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -39,9 +39,9 @@ static int __init serial_init_chip(struct parisc_device *dev)
                  */
                 if (parisc_parent(dev)->id.hw_type != HPHW_IOA)
                         printk(KERN_INFO
-                                "Serial: device 0x%lx not configured.\n"
+                                "Serial: device 0x%llx not configured.\n"
                                 "Enable support for Wax, Lasi, Asp or Dino.\n",
-                                dev->hpa.start);
+                                (unsigned long long)dev->hpa.start);
                 return -ENODEV;
         }
 
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index 6579e2be1dd1..a461b3b2c72d 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -1472,8 +1472,8 @@ static void icom_remove_adapter(struct icom_adapter *icom_adapter)
 
         free_irq(icom_adapter->pci_dev->irq, (void *) icom_adapter);
         iounmap(icom_adapter->base_addr);
-        icom_free_adapter(icom_adapter);
         pci_release_regions(icom_adapter->pci_dev);
+        icom_free_adapter(icom_adapter);
 }
 
 static void icom_kref_release(struct kref *kref)
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 9f460b175c50..5f0be40dfdab 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -1031,6 +1031,8 @@ imx_console_setup(struct console *co, char *options)
         if (co->index == -1 || co->index >= ARRAY_SIZE(imx_ports))
                 co->index = 0;
         sport = imx_ports[co->index];
+        if(sport == NULL)
+                return -ENODEV;
 
         if (options)
                 uart_parse_options(options, &baud, &parity, &bits, &flow);
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 7f72f8ceaa6f..b3feb6198d57 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -988,7 +988,7 @@ mpc52xx_console_setup(struct console *co, char *options)
         pr_debug("mpc52xx_console_setup co=%p, co->index=%i, options=%s\n",
                  co, co->index, options);
 
-        if ((co->index < 0) || (co->index > MPC52xx_PSC_MAXNUM)) {
+        if ((co->index < 0) || (co->index >= MPC52xx_PSC_MAXNUM)) {
                 pr_debug("PSC%x out of range\n", co->index);
                 return -EINVAL;
         }
diff --git a/drivers/ssb/embedded.c b/drivers/ssb/embedded.c
index 7dc3a6b41397..a0e0d246b592 100644
--- a/drivers/ssb/embedded.c
+++ b/drivers/ssb/embedded.c
@@ -29,6 +29,7 @@ int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
         }
         return -ENODEV;
 }
+EXPORT_SYMBOL(ssb_watchdog_timer_set);
 
 u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask)
 {
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 0716cdb44cd8..0a3dc5ece634 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_USB_MON)		+= mon/
 obj-$(CONFIG_PCI)               += host/
 obj-$(CONFIG_USB_EHCI_HCD)      += host/
 obj-$(CONFIG_USB_ISP116X_HCD)   += host/
-obj-$(CONFIG_USB_ISP1760_HCD)   += host/
 obj-$(CONFIG_USB_OHCI_HCD)      += host/
 obj-$(CONFIG_USB_UHCI_HCD)      += host/
 obj-$(CONFIG_USB_FHCI_HCD)      += host/
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 0a69c0977e3f..7a1164dd1d37 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1375,6 +1375,9 @@ static struct usb_device_id acm_ids[] = {
         { USB_DEVICE(0x0572, 0x1324), /* Conexant USB MODEM RD02-D400 */
         .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
         },
+        { USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */
+        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+        },
         { USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
         },
         { USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 563d57275448..05c913cc3658 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -794,7 +794,8 @@ usba_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
         if (ep->desc) {
                 list_add_tail(&req->queue, &ep->queue);
 
-                if (ep->is_in || (ep_is_control(ep)
+                if ((!ep_is_control(ep) && ep->is_in) ||
+                        (ep_is_control(ep)
                                 && (ep->state == DATA_STAGE_IN
                                         || ep->state == STATUS_STAGE_IN)))
                         usba_ep_writel(ep, CTL_ENB, USBA_TX_PK_RDY);
@@ -1940,7 +1941,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
         usba_writel(udc, CTRL, USBA_DISABLE_MASK);
         clk_disable(pclk);
 
-        usba_ep = kmalloc(sizeof(struct usba_ep) * pdata->num_ep,
+        usba_ep = kzalloc(sizeof(struct usba_ep) * pdata->num_ep,
                           GFP_KERNEL);
         if (!usba_ep)
                 goto err_alloc_ep;
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index cd07ea3f0c63..15438469f21a 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -1658,6 +1658,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
         u32 reg_base, or_reg, skip_reg;
         unsigned long flags;
         struct ptd ptd;
+        packet_enqueue *pe;
 
         switch (usb_pipetype(urb->pipe)) {
         case PIPE_ISOCHRONOUS:
@@ -1669,6 +1670,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
                 reg_base = INT_REGS_OFFSET;
                 or_reg = HC_INT_IRQ_MASK_OR_REG;
                 skip_reg = HC_INT_PTD_SKIPMAP_REG;
+                pe = enqueue_an_INT_packet;
                 break;
 
         default:
@@ -1676,6 +1678,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
                 reg_base = ATL_REGS_OFFSET;
                 or_reg = HC_ATL_IRQ_MASK_OR_REG;
                 skip_reg = HC_ATL_PTD_SKIPMAP_REG;
+                pe =  enqueue_an_ATL_packet;
                 break;
         }
 
@@ -1687,6 +1690,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
                         u32 skip_map;
                         u32 or_map;
                         struct isp1760_qtd *qtd;
+                        struct isp1760_qh *qh = ints->qh;
 
                         skip_map = isp1760_readl(hcd->regs + skip_reg);
                         skip_map |= 1 << i;
@@ -1699,8 +1703,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
                         priv_write_copy(priv, (u32 *)&ptd, hcd->regs + reg_base
                                         + i * sizeof(ptd), sizeof(ptd));
                         qtd = ints->qtd;
-
-                        clean_up_qtdlist(qtd);
+                        qtd = clean_up_qtdlist(qtd);
 
                         free_mem(priv, ints->payload);
 
@@ -1711,7 +1714,24 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
                         ints->payload = 0;
 
                         isp1760_urb_done(priv, urb, status);
+                        if (qtd)
+                                pe(hcd, qh, qtd);
                         break;
+
+                } else if (ints->qtd) {
+                        struct isp1760_qtd *qtd, *prev_qtd = ints->qtd;
+
+                        for (qtd = ints->qtd->hw_next; qtd; qtd = qtd->hw_next) {
+                                if (qtd->urb == urb) {
+                                        prev_qtd->hw_next = clean_up_qtdlist(qtd);
+                                        isp1760_urb_done(priv, urb, status);
+                                        break;
+                                }
+                                prev_qtd = qtd;
+                        }
+                        /* we found the urb before the end of the list */
+                        if (qtd)
+                                break;
                 }
                 ints++;
         }
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 0a566eea49c0..f331e2bde88a 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -974,6 +974,7 @@ int usb_serial_probe(struct usb_interface *interface,
                 if (retval > 0) {
                         /* quietly accept this device, but don't bind to a
                            serial port as it's about to disappear */
+                        serial->num_ports = 0;
                         goto exit;
                 }
         }
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 9a577a800db5..2fb63f6ea2f1 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -29,14 +29,8 @@
 
 /* configurable parameters */
 #define ATMEL_LCDC_CVAL_DEFAULT         0xc8
-#define ATMEL_LCDC_DMA_BURST_LEN        8
-
-#if defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91CAP9) || \
-        defined(CONFIG_ARCH_AT91SAM9RL)
-#define ATMEL_LCDC_FIFO_SIZE            2048
-#else
-#define ATMEL_LCDC_FIFO_SIZE            512
-#endif
+#define ATMEL_LCDC_DMA_BURST_LEN        8       /* words */
+#define ATMEL_LCDC_FIFO_SIZE            512     /* words */
 
 #if defined(CONFIG_ARCH_AT91)
 #define ATMEL_LCDFB_FBINFO_DEFAULT      (FBINFO_DEFAULT \
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 5e9c6302433b..d3a568e6b169 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -947,7 +947,8 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
         int win;
 
         for (win = 0; win <= S3C_FB_MAX_WIN; win++)
-                s3c_fb_release_win(sfb, sfb->windows[win]);
+                if (sfb->windows[win])
+                        s3c_fb_release_win(sfb, sfb->windows[win]);
 
         iounmap(sfb->regs);
 
@@ -985,11 +986,20 @@ static int s3c_fb_suspend(struct platform_device *pdev, pm_message_t state)
 static int s3c_fb_resume(struct platform_device *pdev)
 {
         struct s3c_fb *sfb = platform_get_drvdata(pdev);
+        struct s3c_fb_platdata *pd = sfb->pdata;
         struct s3c_fb_win *win;
         int win_no;
 
         clk_enable(sfb->bus_clk);
 
+        /* setup registers */
+        writel(pd->vidcon1, sfb->regs + VIDCON1);
+
+        /* zero all windows before we do anything */
+        for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++)
+                s3c_fb_clear_win(sfb, win_no);
+
+        /* restore framebuffers */
         for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++) {
                 win = sfb->windows[win_no];
                 if (!win)
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index 8ac9cddac575..cab100acf983 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -18,6 +18,16 @@ config XEN_SCRUB_PAGES
           secure, but slightly less efficient.
           If in doubt, say yes.
 
+config XEN_DEV_EVTCHN
+        tristate "Xen /dev/xen/evtchn device"
+        depends on XEN
+        default y
+        help
+          The evtchn driver allows a userspace process to triger event
+          channels and to receive notification of an event channel
+          firing.
+          If in doubt, say yes.
+
 config XENFS
         tristate "Xen filesystem"
         depends on XEN
@@ -41,3 +51,13 @@ config XEN_COMPAT_XENFS
          a xen platform.
          If in doubt, say yes.
 
+config XEN_SYS_HYPERVISOR
+       bool "Create xen entries under /sys/hypervisor"
+       depends on XEN && SYSFS
+       select SYS_HYPERVISOR
+       default y
+       help
+         Create entries under /sys/hypervisor describing the Xen
+         hypervisor environment.  When running native or in another
+         virtual environment, /sys/hypervisor will still be present,
+         but will have no xen contents.
\ No newline at end of file
diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
index ff8accc9e103..ec2a39b1e26f 100644
--- a/drivers/xen/Makefile
+++ b/drivers/xen/Makefile
@@ -4,4 +4,6 @@ obj-y	+= xenbus/
 obj-$(CONFIG_HOTPLUG_CPU)       += cpu_hotplug.o
 obj-$(CONFIG_XEN_XENCOMM)       += xencomm.o
 obj-$(CONFIG_XEN_BALLOON)       += balloon.o
-obj-$(CONFIG_XENFS)             += xenfs/
\ No newline at end of file
+obj-$(CONFIG_XEN_DEV_EVTCHN)    += evtchn.o
+obj-$(CONFIG_XENFS)             += xenfs/
+obj-$(CONFIG_XEN_SYS_HYPERVISOR)        += sys-hypervisor.o
\ No newline at end of file
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 30963af5dba0..891d2e90753a 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -151,6 +151,12 @@ static unsigned int evtchn_from_irq(unsigned irq)
         return info_for_irq(irq)->evtchn;
 }
 
+unsigned irq_from_evtchn(unsigned int evtchn)
+{
+        return evtchn_to_irq[evtchn];
+}
+EXPORT_SYMBOL_GPL(irq_from_evtchn);
+
 static enum ipi_vector ipi_from_irq(unsigned irq)
 {
         struct irq_info *info = info_for_irq(irq);
@@ -335,7 +341,7 @@ static int find_unbound_irq(void)
         if (irq == nr_irqs)
                 panic("No available IRQ to bind to: increase nr_irqs!\n");
 
-        desc = irq_to_desc_alloc_cpu(irq, 0);
+        desc = irq_to_desc_alloc_node(irq, 0);
         if (WARN_ON(desc == NULL))
                 return -1;
 
@@ -688,13 +694,13 @@ void rebind_evtchn_irq(int evtchn, int irq)
 }
 
 /* Rebind an evtchn so that it gets delivered to a specific cpu */
-static void rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
+static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
 {
         struct evtchn_bind_vcpu bind_vcpu;
         int evtchn = evtchn_from_irq(irq);
 
         if (!VALID_EVTCHN(evtchn))
-                return;
+                return -1;
 
         /* Send future instances of this interrupt to other vcpu. */
         bind_vcpu.port = evtchn;
@@ -707,13 +713,15 @@ static void rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
          */
         if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_vcpu, &bind_vcpu) >= 0)
                 bind_evtchn_to_cpu(evtchn, tcpu);
-}
 
+        return 0;
+}
 
-static void set_affinity_irq(unsigned irq, const struct cpumask *dest)
+static int set_affinity_irq(unsigned irq, const struct cpumask *dest)
 {
         unsigned tcpu = cpumask_first(dest);
-        rebind_irq_to_cpu(irq, tcpu);
+
+        return rebind_irq_to_cpu(irq, tcpu);
 }
 
 int resend_irq_on_evtchn(unsigned int irq)
diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
new file mode 100644
index 000000000000..af031950f9b1
--- /dev/null
+++ b/drivers/xen/evtchn.c
@@ -0,0 +1,507 @@
+/******************************************************************************
+ * evtchn.c
+ *
+ * Driver for receiving and demuxing event-channel signals.
+ *
+ * Copyright (c) 2004-2005, K A Fraser
+ * Multi-process extensions Copyright (c) 2004, Steven Smith
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation; or, when distributed
+ * separately from the Linux kernel or incorporated into other
+ * software packages, subject to the following license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this source file (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/errno.h>
+#include <linux/miscdevice.h>
+#include <linux/major.h>
+#include <linux/proc_fs.h>
+#include <linux/stat.h>
+#include <linux/poll.h>
+#include <linux/irq.h>
+#include <linux/init.h>
+#include <linux/gfp.h>
+#include <linux/mutex.h>
+#include <linux/cpu.h>
+#include <xen/events.h>
+#include <xen/evtchn.h>
+#include <asm/xen/hypervisor.h>
+
+struct per_user_data {
+        struct mutex bind_mutex; /* serialize bind/unbind operations */
+
+        /* Notification ring, accessed via /dev/xen/evtchn. */
+#define EVTCHN_RING_SIZE     (PAGE_SIZE / sizeof(evtchn_port_t))
+#define EVTCHN_RING_MASK(_i) ((_i)&(EVTCHN_RING_SIZE-1))
+        evtchn_port_t *ring;
+        unsigned int ring_cons, ring_prod, ring_overflow;
+        struct mutex ring_cons_mutex; /* protect against concurrent readers */
+
+        /* Processes wait on this queue when ring is empty. */
+        wait_queue_head_t evtchn_wait;
+        struct fasync_struct *evtchn_async_queue;
+        const char *name;
+};
+
+/* Who's bound to each port? */
+static struct per_user_data *port_user[NR_EVENT_CHANNELS];
+static DEFINE_SPINLOCK(port_user_lock); /* protects port_user[] and ring_prod */
+
+irqreturn_t evtchn_interrupt(int irq, void *data)
+{
+        unsigned int port = (unsigned long)data;
+        struct per_user_data *u;
+
+        spin_lock(&port_user_lock);
+
+        u = port_user[port];
+
+        disable_irq_nosync(irq);
+
+        if ((u->ring_prod - u->ring_cons) < EVTCHN_RING_SIZE) {
+                u->ring[EVTCHN_RING_MASK(u->ring_prod)] = port;
+                wmb(); /* Ensure ring contents visible */
+                if (u->ring_cons == u->ring_prod++) {
+                        wake_up_interruptible(&u->evtchn_wait);
+                        kill_fasync(&u->evtchn_async_queue,
+                                    SIGIO, POLL_IN);
+                }
+        } else {
+                u->ring_overflow = 1;
+        }
+
+        spin_unlock(&port_user_lock);
+
+        return IRQ_HANDLED;
+}
+
+static ssize_t evtchn_read(struct file *file, char __user *buf,
+                           size_t count, loff_t *ppos)
+{
+        int rc;
+        unsigned int c, p, bytes1 = 0, bytes2 = 0;
+        struct per_user_data *u = file->private_data;
+
+        /* Whole number of ports. */
+        count &= ~(sizeof(evtchn_port_t)-1);
+
+        if (count == 0)
+                return 0;
+
+        if (count > PAGE_SIZE)
+                count = PAGE_SIZE;
+
+        for (;;) {
+                mutex_lock(&u->ring_cons_mutex);
+
+                rc = -EFBIG;
+                if (u->ring_overflow)
+                        goto unlock_out;
+
+                c = u->ring_cons;
+                p = u->ring_prod;
+                if (c != p)
+                        break;
+
+                mutex_unlock(&u->ring_cons_mutex);
+
+                if (file->f_flags & O_NONBLOCK)
+                        return -EAGAIN;
+
+                rc = wait_event_interruptible(u->evtchn_wait,
+                                              u->ring_cons != u->ring_prod);
+                if (rc)
+                        return rc;
+        }
+
+        /* Byte lengths of two chunks. Chunk split (if any) is at ring wrap. */
+        if (((c ^ p) & EVTCHN_RING_SIZE) != 0) {
+                bytes1 = (EVTCHN_RING_SIZE - EVTCHN_RING_MASK(c)) *
+                        sizeof(evtchn_port_t);
+                bytes2 = EVTCHN_RING_MASK(p) * sizeof(evtchn_port_t);
+        } else {
+                bytes1 = (p - c) * sizeof(evtchn_port_t);
+                bytes2 = 0;
+        }
+
+        /* Truncate chunks according to caller's maximum byte count. */
+        if (bytes1 > count) {
+                bytes1 = count;
+                bytes2 = 0;
+        } else if ((bytes1 + bytes2) > count) {
+                bytes2 = count - bytes1;
+        }
+
+        rc = -EFAULT;
+        rmb(); /* Ensure that we see the port before we copy it. */
+        if (copy_to_user(buf, &u->ring[EVTCHN_RING_MASK(c)], bytes1) ||
+            ((bytes2 != 0) &&
+             copy_to_user(&buf[bytes1], &u->ring[0], bytes2)))
+                goto unlock_out;
+
+        u->ring_cons += (bytes1 + bytes2) / sizeof(evtchn_port_t);
+        rc = bytes1 + bytes2;
+
+ unlock_out:
+        mutex_unlock(&u->ring_cons_mutex);
+        return rc;
+}
+
+static ssize_t evtchn_write(struct file *file, const char __user *buf,
+                            size_t count, loff_t *ppos)
+{
+        int rc, i;
+        evtchn_port_t *kbuf = (evtchn_port_t *)__get_free_page(GFP_KERNEL);
+        struct per_user_data *u = file->private_data;
+
+        if (kbuf == NULL)
+                return -ENOMEM;
+
+        /* Whole number of ports. */
+        count &= ~(sizeof(evtchn_port_t)-1);
+
+        rc = 0;
+        if (count == 0)
+                goto out;
+
+        if (count > PAGE_SIZE)
+                count = PAGE_SIZE;
+
+        rc = -EFAULT;
+        if (copy_from_user(kbuf, buf, count) != 0)
+                goto out;
+
+        spin_lock_irq(&port_user_lock);
+        for (i = 0; i < (count/sizeof(evtchn_port_t)); i++)
+                if ((kbuf[i] < NR_EVENT_CHANNELS) && (port_user[kbuf[i]] == u))
+                        enable_irq(irq_from_evtchn(kbuf[i]));
+        spin_unlock_irq(&port_user_lock);
+
+        rc = count;
+
+ out:
+        free_page((unsigned long)kbuf);
+        return rc;
+}
+
+static int evtchn_bind_to_user(struct per_user_data *u, int port)
+{
+        int rc = 0;
+
+        /*
+         * Ports are never reused, so every caller should pass in a
+         * unique port.
+         *
+         * (Locking not necessary because we haven't registered the
+         * interrupt handler yet, and our caller has already
+         * serialized bind operations.)
+         */
+        BUG_ON(port_user[port] != NULL);
+        port_user[port] = u;
+
+        rc = bind_evtchn_to_irqhandler(port, evtchn_interrupt, IRQF_DISABLED,
+                                       u->name, (void *)(unsigned long)port);
+        if (rc >= 0)
+                rc = 0;
+
+        return rc;
+}
+
+static void evtchn_unbind_from_user(struct per_user_data *u, int port)
+{
+        int irq = irq_from_evtchn(port);
+
+        unbind_from_irqhandler(irq, (void *)(unsigned long)port);
+
+        /* make sure we unbind the irq handler before clearing the port */
+        barrier();
+
+        port_user[port] = NULL;
+}
+
+static long evtchn_ioctl(struct file *file,
+                         unsigned int cmd, unsigned long arg)
+{
+        int rc;
+        struct per_user_data *u = file->private_data;
+        void __user *uarg = (void __user *) arg;
+
+        /* Prevent bind from racing with unbind */
+        mutex_lock(&u->bind_mutex);
+
+        switch (cmd) {
+        case IOCTL_EVTCHN_BIND_VIRQ: {
+                struct ioctl_evtchn_bind_virq bind;
+                struct evtchn_bind_virq bind_virq;
+
+                rc = -EFAULT;
+                if (copy_from_user(&bind, uarg, sizeof(bind)))
+                        break;
+
+                bind_virq.virq = bind.virq;
+                bind_virq.vcpu = 0;
+                rc = HYPERVISOR_event_channel_op(EVTCHNOP_bind_virq,
+                                                 &bind_virq);
+                if (rc != 0)
+                        break;
+
+                rc = evtchn_bind_to_user(u, bind_virq.port);
+                if (rc == 0)
+                        rc = bind_virq.port;
+                break;
+        }
+
+        case IOCTL_EVTCHN_BIND_INTERDOMAIN: {
+                struct ioctl_evtchn_bind_interdomain bind;
+                struct evtchn_bind_interdomain bind_interdomain;
+
+                rc = -EFAULT;
+                if (copy_from_user(&bind, uarg, sizeof(bind)))
+                        break;
+
+                bind_interdomain.remote_dom  = bind.remote_domain;
+                bind_interdomain.remote_port = bind.remote_port;
+                rc = HYPERVISOR_event_channel_op(EVTCHNOP_bind_interdomain,
+                                                 &bind_interdomain);
+                if (rc != 0)
+                        break;
+
+                rc = evtchn_bind_to_user(u, bind_interdomain.local_port);
+                if (rc == 0)
+                        rc = bind_interdomain.local_port;
+                break;
+        }
+
+        case IOCTL_EVTCHN_BIND_UNBOUND_PORT: {
+                struct ioctl_evtchn_bind_unbound_port bind;
+                struct evtchn_alloc_unbound alloc_unbound;
+
+                rc = -EFAULT;
+                if (copy_from_user(&bind, uarg, sizeof(bind)))
+                        break;
+
+                alloc_unbound.dom        = DOMID_SELF;
+                alloc_unbound.remote_dom = bind.remote_domain;
+                rc = HYPERVISOR_event_channel_op(EVTCHNOP_alloc_unbound,
+                                                 &alloc_unbound);
+                if (rc != 0)
+                        break;
+
+                rc = evtchn_bind_to_user(u, alloc_unbound.port);
+                if (rc == 0)
+                        rc = alloc_unbound.port;
+                break;
+        }
+
+        case IOCTL_EVTCHN_UNBIND: {
+                struct ioctl_evtchn_unbind unbind;
+
+                rc = -EFAULT;
+                if (copy_from_user(&unbind, uarg, sizeof(unbind)))
+                        break;
+
+                rc = -EINVAL;
+                if (unbind.port >= NR_EVENT_CHANNELS)
+                        break;
+
+                spin_lock_irq(&port_user_lock);
+
+                rc = -ENOTCONN;
+                if (port_user[unbind.port] != u) {
+                        spin_unlock_irq(&port_user_lock);
+                        break;
+                }
+
+                evtchn_unbind_from_user(u, unbind.port);
+
+                spin_unlock_irq(&port_user_lock);
+
+                rc = 0;
+                break;
+        }
+
+        case IOCTL_EVTCHN_NOTIFY: {
+                struct ioctl_evtchn_notify notify;
+
+                rc = -EFAULT;
+                if (copy_from_user(&notify, uarg, sizeof(notify)))
+                        break;
+
+                if (notify.port >= NR_EVENT_CHANNELS) {
+                        rc = -EINVAL;
+                } else if (port_user[notify.port] != u) {
+                        rc = -ENOTCONN;
+                } else {
+                        notify_remote_via_evtchn(notify.port);
+                        rc = 0;
+                }
+                break;
+        }
+
+        case IOCTL_EVTCHN_RESET: {
+                /* Initialise the ring to empty. Clear errors. */
+                mutex_lock(&u->ring_cons_mutex);
+                spin_lock_irq(&port_user_lock);
+                u->ring_cons = u->ring_prod = u->ring_overflow = 0;
+                spin_unlock_irq(&port_user_lock);
+                mutex_unlock(&u->ring_cons_mutex);
+                rc = 0;
+                break;
+        }
+
+        default:
+                rc = -ENOSYS;
+                break;
+        }
+        mutex_unlock(&u->bind_mutex);
+
+        return rc;
+}
+
+static unsigned int evtchn_poll(struct file *file, poll_table *wait)
+{
+        unsigned int mask = POLLOUT | POLLWRNORM;
+        struct per_user_data *u = file->private_data;
+
+        poll_wait(file, &u->evtchn_wait, wait);
+        if (u->ring_cons != u->ring_prod)
+                mask |= POLLIN | POLLRDNORM;
+        if (u->ring_overflow)
+                mask = POLLERR;
+        return mask;
+}
+
+static int evtchn_fasync(int fd, struct file *filp, int on)
+{
+        struct per_user_data *u = filp->private_data;
+        return fasync_helper(fd, filp, on, &u->evtchn_async_queue);
+}
+
+static int evtchn_open(struct inode *inode, struct file *filp)
+{
+        struct per_user_data *u;
+
+        u = kzalloc(sizeof(*u), GFP_KERNEL);
+        if (u == NULL)
+                return -ENOMEM;
+
+        u->name = kasprintf(GFP_KERNEL, "evtchn:%s", current->comm);
+        if (u->name == NULL) {
+                kfree(u);
+                return -ENOMEM;
+        }
+
+        init_waitqueue_head(&u->evtchn_wait);
+
+        u->ring = (evtchn_port_t *)__get_free_page(GFP_KERNEL);
+        if (u->ring == NULL) {
+                kfree(u->name);
+                kfree(u);
+                return -ENOMEM;
+        }
+
+        mutex_init(&u->bind_mutex);
+        mutex_init(&u->ring_cons_mutex);
+
+        filp->private_data = u;
+
+        return 0;
+}
+
+static int evtchn_release(struct inode *inode, struct file *filp)
+{
+        int i;
+        struct per_user_data *u = filp->private_data;
+
+        spin_lock_irq(&port_user_lock);
+
+        free_page((unsigned long)u->ring);
+
+        for (i = 0; i < NR_EVENT_CHANNELS; i++) {
+                if (port_user[i] != u)
+                        continue;
+
+                evtchn_unbind_from_user(port_user[i], i);
+        }
+
+        spin_unlock_irq(&port_user_lock);
+
+        kfree(u->name);
+        kfree(u);
+
+        return 0;
+}
+
+static const struct file_operations evtchn_fops = {
+        .owner   = THIS_MODULE,
+        .read    = evtchn_read,
+        .write   = evtchn_write,
+        .unlocked_ioctl = evtchn_ioctl,
+        .poll    = evtchn_poll,
+        .fasync  = evtchn_fasync,
+        .open    = evtchn_open,
+        .release = evtchn_release,
+};
+
+static struct miscdevice evtchn_miscdev = {
+        .minor        = MISC_DYNAMIC_MINOR,
+        .name         = "evtchn",
+        .fops         = &evtchn_fops,
+};
+static int __init evtchn_init(void)
+{
+        int err;
+
+        if (!xen_domain())
+                return -ENODEV;
+
+        spin_lock_init(&port_user_lock);
+        memset(port_user, 0, sizeof(port_user));
+
+        /* Create '/dev/misc/evtchn'. */
+        err = misc_register(&evtchn_miscdev);
+        if (err != 0) {
+                printk(KERN_ALERT "Could not register /dev/misc/evtchn\n");
+                return err;
+        }
+
+        printk(KERN_INFO "Event-channel device installed.\n");
+
+        return 0;
+}
+
+static void __exit evtchn_cleanup(void)
+{
+        misc_deregister(&evtchn_miscdev);
+}
+
+module_init(evtchn_init);
+module_exit(evtchn_cleanup);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 4b5b84837ee1..fddc2025dece 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -98,9 +98,8 @@ static void do_suspend(void)
                 goto out;
         }
 
-        printk("suspending xenbus...\n");
-        /* XXX use normal device tree? */
-        xenbus_suspend();
+        printk(KERN_DEBUG "suspending xenstore...\n");
+        xs_suspend();
 
         err = device_power_down(PMSG_SUSPEND);
         if (err) {
@@ -116,9 +115,9 @@ static void do_suspend(void)
 
         if (!cancelled) {
                 xen_arch_resume();
-                xenbus_resume();
+                xs_resume();
         } else
-                xenbus_suspend_cancel();
+                xs_suspend_cancel();
 
         device_power_up(PMSG_RESUME);
 
diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c
new file mode 100644
index 000000000000..88a60e03ccf0
--- /dev/null
+++ b/drivers/xen/sys-hypervisor.c
@@ -0,0 +1,445 @@
+/*
+ *  copyright (c) 2006 IBM Corporation
+ *  Authored by: Mike D. Day <ncmike@us.ibm.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/kobject.h>
+
+#include <asm/xen/hypervisor.h>
+#include <asm/xen/hypercall.h>
+
+#include <xen/xenbus.h>
+#include <xen/interface/xen.h>
+#include <xen/interface/version.h>
+
+#define HYPERVISOR_ATTR_RO(_name) \
+static struct hyp_sysfs_attr  _name##_attr = __ATTR_RO(_name)
+
+#define HYPERVISOR_ATTR_RW(_name) \
+static struct hyp_sysfs_attr _name##_attr = \
+        __ATTR(_name, 0644, _name##_show, _name##_store)
+
+struct hyp_sysfs_attr {
+        struct attribute attr;
+        ssize_t (*show)(struct hyp_sysfs_attr *, char *);
+        ssize_t (*store)(struct hyp_sysfs_attr *, const char *, size_t);
+        void *hyp_attr_data;
+};
+
+static ssize_t type_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        return sprintf(buffer, "xen\n");
+}
+
+HYPERVISOR_ATTR_RO(type);
+
+static int __init xen_sysfs_type_init(void)
+{
+        return sysfs_create_file(hypervisor_kobj, &type_attr.attr);
+}
+
+static void xen_sysfs_type_destroy(void)
+{
+        sysfs_remove_file(hypervisor_kobj, &type_attr.attr);
+}
+
+/* xen version attributes */
+static ssize_t major_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        int version = HYPERVISOR_xen_version(XENVER_version, NULL);
+        if (version)
+                return sprintf(buffer, "%d\n", version >> 16);
+        return -ENODEV;
+}
+
+HYPERVISOR_ATTR_RO(major);
+
+static ssize_t minor_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        int version = HYPERVISOR_xen_version(XENVER_version, NULL);
+        if (version)
+                return sprintf(buffer, "%d\n", version & 0xff);
+        return -ENODEV;
+}
+
+HYPERVISOR_ATTR_RO(minor);
+
+static ssize_t extra_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        int ret = -ENOMEM;
+        char *extra;
+
+        extra = kmalloc(XEN_EXTRAVERSION_LEN, GFP_KERNEL);
+        if (extra) {
+                ret = HYPERVISOR_xen_version(XENVER_extraversion, extra);
+                if (!ret)
+                        ret = sprintf(buffer, "%s\n", extra);
+                kfree(extra);
+        }
+
+        return ret;
+}
+
+HYPERVISOR_ATTR_RO(extra);
+
+static struct attribute *version_attrs[] = {
+        &major_attr.attr,
+        &minor_attr.attr,
+        &extra_attr.attr,
+        NULL
+};
+
+static struct attribute_group version_group = {
+        .name = "version",
+        .attrs = version_attrs,
+};
+
+static int __init xen_sysfs_version_init(void)
+{
+        return sysfs_create_group(hypervisor_kobj, &version_group);
+}
+
+static void xen_sysfs_version_destroy(void)
+{
+        sysfs_remove_group(hypervisor_kobj, &version_group);
+}
+
+/* UUID */
+
+static ssize_t uuid_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        char *vm, *val;
+        int ret;
+        extern int xenstored_ready;
+
+        if (!xenstored_ready)
+                return -EBUSY;
+
+        vm = xenbus_read(XBT_NIL, "vm", "", NULL);
+        if (IS_ERR(vm))
+                return PTR_ERR(vm);
+        val = xenbus_read(XBT_NIL, vm, "uuid", NULL);
+        kfree(vm);
+        if (IS_ERR(val))
+                return PTR_ERR(val);
+        ret = sprintf(buffer, "%s\n", val);
+        kfree(val);
+        return ret;
+}
+
+HYPERVISOR_ATTR_RO(uuid);
+
+static int __init xen_sysfs_uuid_init(void)
+{
+        return sysfs_create_file(hypervisor_kobj, &uuid_attr.attr);
+}
+
+static void xen_sysfs_uuid_destroy(void)
+{
+        sysfs_remove_file(hypervisor_kobj, &uuid_attr.attr);
+}
+
+/* xen compilation attributes */
+
+static ssize_t compiler_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        int ret = -ENOMEM;
+        struct xen_compile_info *info;
+
+        info = kmalloc(sizeof(struct xen_compile_info), GFP_KERNEL);
+        if (info) {
+                ret = HYPERVISOR_xen_version(XENVER_compile_info, info);
+                if (!ret)
+                        ret = sprintf(buffer, "%s\n", info->compiler);
+                kfree(info);
+        }
+
+        return ret;
+}
+
+HYPERVISOR_ATTR_RO(compiler);
+
+static ssize_t compiled_by_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        int ret = -ENOMEM;
+        struct xen_compile_info *info;
+
+        info = kmalloc(sizeof(struct xen_compile_info), GFP_KERNEL);
+        if (info) {
+                ret = HYPERVISOR_xen_version(XENVER_compile_info, info);
+                if (!ret)
+                        ret = sprintf(buffer, "%s\n", info->compile_by);
+                kfree(info);
+        }
+
+        return ret;
+}
+
+HYPERVISOR_ATTR_RO(compiled_by);
+
+static ssize_t compile_date_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        int ret = -ENOMEM;
+        struct xen_compile_info *info;
+
+        info = kmalloc(sizeof(struct xen_compile_info), GFP_KERNEL);
+        if (info) {
+                ret = HYPERVISOR_xen_version(XENVER_compile_info, info);
+                if (!ret)
+                        ret = sprintf(buffer, "%s\n", info->compile_date);
+                kfree(info);
+        }
+
+        return ret;
+}
+
+HYPERVISOR_ATTR_RO(compile_date);
+
+static struct attribute *xen_compile_attrs[] = {
+        &compiler_attr.attr,
+        &compiled_by_attr.attr,
+        &compile_date_attr.attr,
+        NULL
+};
+
+static struct attribute_group xen_compilation_group = {
+        .name = "compilation",
+        .attrs = xen_compile_attrs,
+};
+
+int __init static xen_compilation_init(void)
+{
+        return sysfs_create_group(hypervisor_kobj, &xen_compilation_group);
+}
+
+static void xen_compilation_destroy(void)
+{
+        sysfs_remove_group(hypervisor_kobj, &xen_compilation_group);
+}
+
+/* xen properties info */
+
+static ssize_t capabilities_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        int ret = -ENOMEM;
+        char *caps;
+
+        caps = kmalloc(XEN_CAPABILITIES_INFO_LEN, GFP_KERNEL);
+        if (caps) {
+                ret = HYPERVISOR_xen_version(XENVER_capabilities, caps);
+                if (!ret)
+                        ret = sprintf(buffer, "%s\n", caps);
+                kfree(caps);
+        }
+
+        return ret;
+}
+
+HYPERVISOR_ATTR_RO(capabilities);
+
+static ssize_t changeset_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        int ret = -ENOMEM;
+        char *cset;
+
+        cset = kmalloc(XEN_CHANGESET_INFO_LEN, GFP_KERNEL);
+        if (cset) {
+                ret = HYPERVISOR_xen_version(XENVER_changeset, cset);
+                if (!ret)
+                        ret = sprintf(buffer, "%s\n", cset);
+                kfree(cset);
+        }
+
+        return ret;
+}
+
+HYPERVISOR_ATTR_RO(changeset);
+
+static ssize_t virtual_start_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        int ret = -ENOMEM;
+        struct xen_platform_parameters *parms;
+
+        parms = kmalloc(sizeof(struct xen_platform_parameters), GFP_KERNEL);
+        if (parms) {
+                ret = HYPERVISOR_xen_version(XENVER_platform_parameters,
+                                             parms);
+                if (!ret)
+                        ret = sprintf(buffer, "%lx\n", parms->virt_start);
+                kfree(parms);
+        }
+
+        return ret;
+}
+
+HYPERVISOR_ATTR_RO(virtual_start);
+
+static ssize_t pagesize_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        int ret;
+
+        ret = HYPERVISOR_xen_version(XENVER_pagesize, NULL);
+        if (ret > 0)
+                ret = sprintf(buffer, "%x\n", ret);
+
+        return ret;
+}
+
+HYPERVISOR_ATTR_RO(pagesize);
+
+static ssize_t xen_feature_show(int index, char *buffer)
+{
+        ssize_t ret;
+        struct xen_feature_info info;
+
+        info.submap_idx = index;
+        ret = HYPERVISOR_xen_version(XENVER_get_features, &info);
+        if (!ret)
+                ret = sprintf(buffer, "%08x", info.submap);
+
+        return ret;
+}
+
+static ssize_t features_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+        ssize_t len;
+        int i;
+
+        len = 0;
+        for (i = XENFEAT_NR_SUBMAPS-1; i >= 0; i--) {
+                int ret = xen_feature_show(i, buffer + len);
+                if (ret < 0) {
+                        if (len == 0)
+                                len = ret;
+                        break;
+                }
+                len += ret;
+        }
+        if (len > 0)
+                buffer[len++] = '\n';
+
+        return len;
+}
+
+HYPERVISOR_ATTR_RO(features);
+
+static struct attribute *xen_properties_attrs[] = {
+        &capabilities_attr.attr,
+        &changeset_attr.attr,
+        &virtual_start_attr.attr,
+        &pagesize_attr.attr,
+        &features_attr.attr,
+        NULL
+};
+
+static struct attribute_group xen_properties_group = {
+        .name = "properties",
+        .attrs = xen_properties_attrs,
+};
+
+static int __init xen_properties_init(void)
+{
+        return sysfs_create_group(hypervisor_kobj, &xen_properties_group);
+}
+
+static void xen_properties_destroy(void)
+{
+        sysfs_remove_group(hypervisor_kobj, &xen_properties_group);
+}
+
+static int __init hyper_sysfs_init(void)
+{
+        int ret;
+
+        if (!xen_domain())
+                return -ENODEV;
+
+        ret = xen_sysfs_type_init();
+        if (ret)
+                goto out;
+        ret = xen_sysfs_version_init();
+        if (ret)
+                goto version_out;
+        ret = xen_compilation_init();
+        if (ret)
+                goto comp_out;
+        ret = xen_sysfs_uuid_init();
+        if (ret)
+                goto uuid_out;
+        ret = xen_properties_init();
+        if (ret)
+                goto prop_out;
+
+        goto out;
+
+prop_out:
+        xen_sysfs_uuid_destroy();
+uuid_out:
+        xen_compilation_destroy();
+comp_out:
+        xen_sysfs_version_destroy();
+version_out:
+        xen_sysfs_type_destroy();
+out:
+        return ret;
+}
+
+static void __exit hyper_sysfs_exit(void)
+{
+        xen_properties_destroy();
+        xen_compilation_destroy();
+        xen_sysfs_uuid_destroy();
+        xen_sysfs_version_destroy();
+        xen_sysfs_type_destroy();
+
+}
+module_init(hyper_sysfs_init);
+module_exit(hyper_sysfs_exit);
+
+static ssize_t hyp_sysfs_show(struct kobject *kobj,
+                              struct attribute *attr,
+                              char *buffer)
+{
+        struct hyp_sysfs_attr *hyp_attr;
+        hyp_attr = container_of(attr, struct hyp_sysfs_attr, attr);
+        if (hyp_attr->show)
+                return hyp_attr->show(hyp_attr, buffer);
+        return 0;
+}
+
+static ssize_t hyp_sysfs_store(struct kobject *kobj,
+                               struct attribute *attr,
+                               const char *buffer,
+                               size_t len)
+{
+        struct hyp_sysfs_attr *hyp_attr;
+        hyp_attr = container_of(attr, struct hyp_sysfs_attr, attr);
+        if (hyp_attr->store)
+                return hyp_attr->store(hyp_attr, buffer, len);
+        return 0;
+}
+
+static struct sysfs_ops hyp_sysfs_ops = {
+        .show = hyp_sysfs_show,
+        .store = hyp_sysfs_store,
+};
+
+static struct kobj_type hyp_sysfs_kobj_type = {
+        .sysfs_ops = &hyp_sysfs_ops,
+};
+
+static int __init hypervisor_subsys_init(void)
+{
+        if (!xen_domain())
+                return -ENODEV;
+
+        hypervisor_kobj->ktype = &hyp_sysfs_kobj_type;
+        return 0;
+}
+device_initcall(hypervisor_subsys_init);
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 773d1cf23283..d42e25d5968d 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -71,6 +71,9 @@ static int xenbus_probe_frontend(const char *type, const char *name);
 
 static void xenbus_dev_shutdown(struct device *_dev);
 
+static int xenbus_dev_suspend(struct device *dev, pm_message_t state);
+static int xenbus_dev_resume(struct device *dev);
+
 /* If something in array of ids matches this device, return it. */
 static const struct xenbus_device_id *
 match_device(const struct xenbus_device_id *arr, struct xenbus_device *dev)
@@ -188,6 +191,9 @@ static struct xen_bus_type xenbus_frontend = {
                 .remove    = xenbus_dev_remove,
                 .shutdown  = xenbus_dev_shutdown,
                 .dev_attrs = xenbus_dev_attrs,
+
+                .suspend   = xenbus_dev_suspend,
+                .resume    = xenbus_dev_resume,
         },
 };
 
@@ -654,6 +660,7 @@ void xenbus_dev_changed(const char *node, struct xen_bus_type *bus)
 
         kfree(root);
 }
+EXPORT_SYMBOL_GPL(xenbus_dev_changed);
 
 static void frontend_changed(struct xenbus_watch *watch,
                              const char **vec, unsigned int len)
@@ -669,7 +676,7 @@ static struct xenbus_watch fe_watch = {
         .callback = frontend_changed,
 };
 
-static int suspend_dev(struct device *dev, void *data)
+static int xenbus_dev_suspend(struct device *dev, pm_message_t state)
 {
         int err = 0;
         struct xenbus_driver *drv;
@@ -682,35 +689,14 @@ static int suspend_dev(struct device *dev, void *data)
         drv = to_xenbus_driver(dev->driver);
         xdev = container_of(dev, struct xenbus_device, dev);
         if (drv->suspend)
-                err = drv->suspend(xdev);
+                err = drv->suspend(xdev, state);
         if (err)
                 printk(KERN_WARNING
                        "xenbus: suspend %s failed: %i\n", dev_name(dev), err);
         return 0;
 }
 
-static int suspend_cancel_dev(struct device *dev, void *data)
-{
-        int err = 0;
-        struct xenbus_driver *drv;
-        struct xenbus_device *xdev;
-
-        DPRINTK("");
-
-        if (dev->driver == NULL)
-                return 0;
-        drv = to_xenbus_driver(dev->driver);
-        xdev = container_of(dev, struct xenbus_device, dev);
-        if (drv->suspend_cancel)
-                err = drv->suspend_cancel(xdev);
-        if (err)
-                printk(KERN_WARNING
-                       "xenbus: suspend_cancel %s failed: %i\n",
-                       dev_name(dev), err);
-        return 0;
-}
-
-static int resume_dev(struct device *dev, void *data)
+static int xenbus_dev_resume(struct device *dev)
 {
         int err;
         struct xenbus_driver *drv;
@@ -755,33 +741,6 @@ static int resume_dev(struct device *dev, void *data)
         return 0;
 }
 
-void xenbus_suspend(void)
-{
-        DPRINTK("");
-
-        bus_for_each_dev(&xenbus_frontend.bus, NULL, NULL, suspend_dev);
-        xenbus_backend_suspend(suspend_dev);
-        xs_suspend();
-}
-EXPORT_SYMBOL_GPL(xenbus_suspend);
-
-void xenbus_resume(void)
-{
-        xb_init_comms();
-        xs_resume();
-        bus_for_each_dev(&xenbus_frontend.bus, NULL, NULL, resume_dev);
-        xenbus_backend_resume(resume_dev);
-}
-EXPORT_SYMBOL_GPL(xenbus_resume);
-
-void xenbus_suspend_cancel(void)
-{
-        xs_suspend_cancel();
-        bus_for_each_dev(&xenbus_frontend.bus, NULL, NULL, suspend_cancel_dev);
-        xenbus_backend_resume(suspend_cancel_dev);
-}
-EXPORT_SYMBOL_GPL(xenbus_suspend_cancel);
-
 /* A flag to determine if xenstored is 'ready' (i.e. has started) */
 int xenstored_ready = 0;
 
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index e325eab4724d..eab33f1dbdf7 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -673,6 +673,8 @@ void xs_resume(void)
         struct xenbus_watch *watch;
         char token[sizeof(watch) * 2 + 1];
 
+        xb_init_comms();
+
         mutex_unlock(&xs_state.response_mutex);
         mutex_unlock(&xs_state.request_mutex);
         up_write(&xs_state.transaction_mutex);
diff --git a/drivers/xen/xenfs/super.c b/drivers/xen/xenfs/super.c
index 515741a8e6b8..6559e0c752ce 100644
--- a/drivers/xen/xenfs/super.c
+++ b/drivers/xen/xenfs/super.c
@@ -20,10 +20,27 @@
 MODULE_DESCRIPTION("Xen filesystem");
 MODULE_LICENSE("GPL");
 
+static ssize_t capabilities_read(struct file *file, char __user *buf,
+                                 size_t size, loff_t *off)
+{
+        char *tmp = "";
+
+        if (xen_initial_domain())
+                tmp = "control_d\n";
+
+        return simple_read_from_buffer(buf, size, off, tmp, strlen(tmp));
+}
+
+static const struct file_operations capabilities_file_ops = {
+        .read = capabilities_read,
+};
+
 static int xenfs_fill_super(struct super_block *sb, void *data, int silent)
 {
         static struct tree_descr xenfs_files[] = {
-                [2] = {"xenbus", &xenbus_file_ops, S_IRUSR|S_IWUSR},
+                [1] = {},
+                { "xenbus", &xenbus_file_ops, S_IRUSR|S_IWUSR },
+                { "capabilities", &capabilities_file_ops, S_IRUGO },
                 {""},
         };