72 files changed, 4461 insertions, 1076 deletions
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 562432d017b0..335a25540c08 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -622,8 +622,10 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata,
                        dma_unmap_single(hostdata->dev, slot->dma_handle, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
                        /* restore the old result if the request sense was
                         * successful */
-                        if(result == 0)
+                        if (result == 0)
                                result = cmnd[7];
+                        /* restore the original length */
+                        SCp->cmd_len = cmnd[8];
                } else
                        NCR_700_unmap(hostdata, SCp, slot);
@@ -1007,6 +1009,9 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
                                 * of the command */
                                cmnd[6] = NCR_700_INTERNAL_SENSE_MAGIC;
                                cmnd[7] = hostdata->status[0];
+                                cmnd[8] = SCp->cmd_len;
+                                SCp->cmd_len = 6; /* command length for
+                                                   * REQUEST_SENSE */
                                slot->pCmd = dma_map_single(hostdata->dev, cmnd, MAX_COMMAND_SIZE, DMA_TO_DEVICE);
                                slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
                                slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | sizeof(SCp->sense_buffer));
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index cdd033724786..3075204915c8 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -2186,21 +2186,21 @@ static int __init BusLogic_init(void)
        if (BusLogic_ProbeOptions.NoProbe)
                return -ENODEV;
-        BusLogic_ProbeInfoList = (struct BusLogic_ProbeInfo *)
+        BusLogic_ProbeInfoList =
-            kmalloc(BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo), GFP_ATOMIC);
+            kzalloc(BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo), GFP_KERNEL);
        if (BusLogic_ProbeInfoList == NULL) {
                BusLogic_Error("BusLogic: Unable to allocate Probe Info List\n", NULL);
                return -ENOMEM;
        }
-        memset(BusLogic_ProbeInfoList, 0, BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo));
-        PrototypeHostAdapter = (struct BusLogic_HostAdapter *)
+        PrototypeHostAdapter =
-            kmalloc(sizeof(struct BusLogic_HostAdapter), GFP_ATOMIC);
+            kzalloc(sizeof(struct BusLogic_HostAdapter), GFP_KERNEL);
        if (PrototypeHostAdapter == NULL) {
                kfree(BusLogic_ProbeInfoList);
                BusLogic_Error("BusLogic: Unable to allocate Prototype " "Host Adapter\n", NULL);
                return -ENOMEM;
        }
-        memset(PrototypeHostAdapter, 0, sizeof(struct BusLogic_HostAdapter));
 #ifdef MODULE
        if (BusLogic != NULL)
                BusLogic_Setup(BusLogic);
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 9540eb8efdcb..69569096dae5 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -29,6 +29,13 @@ config SCSI
          However, do not compile this as a module if your root file system
          (the one containing the directory /) is located on a SCSI device.
+config SCSI_TGT
+        tristate "SCSI target support"
+        depends on SCSI && EXPERIMENTAL
+        ---help---
+          If you want to use SCSI target mode drivers enable this option.
+          If you choose M, the module will be called scsi_tgt.
 config SCSI_NETLINK
        bool
        default n
@@ -216,6 +223,23 @@ config SCSI_LOGGING
          there should be no noticeable performance impact as long as you have
          logging turned off.
+config SCSI_SCAN_ASYNC
+        bool "Asynchronous SCSI scanning"
+        depends on SCSI
+        help
+          The SCSI subsystem can probe for devices while the rest of the
+          system continues booting, and even probe devices on different
+          busses in parallel, leading to a significant speed-up.
+          If you have built SCSI as modules, enabling this option can
+          be a problem as the devices may not have been found by the
+          time your system expects them to have been.  You can load the
+          scsi_wait_scan module to ensure that all scans have completed.
+          If you build your SCSI drivers into the kernel, then everything
+          will work fine if you say Y here.
+          You can override this choice by specifying scsi_mod.scan="sync"
+          or "async" on the kernel's command line.
 menu "SCSI Transports"
        depends on SCSI
@@ -797,6 +821,20 @@ config SCSI_IBMVSCSI
          To compile this driver as a module, choose M here: the
          module will be called ibmvscsic.
+config SCSI_IBMVSCSIS
+        tristate "IBM Virtual SCSI Server support"
+        depends on PPC_PSERIES && SCSI_TGT && SCSI_SRP
+        help
+          This is the SRP target driver for IBM pSeries virtual environments.
+          The userspace component needed to initialize the driver and
+          documentation can be found:
+          http://stgt.berlios.de/
+          To compile this driver as a module, choose M here: the
+          module will be called ibmvstgt.
 config SCSI_INITIO
        tristate "Initio 9100U(W) support"
        depends on PCI && SCSI
@@ -944,8 +982,13 @@ config SCSI_STEX
        tristate "Promise SuperTrak EX Series support"
        depends on PCI && SCSI
        ---help---
-          This driver supports Promise SuperTrak EX8350/8300/16350/16300
+          This driver supports Promise SuperTrak EX series storage controllers.
-          Storage controllers.
+          Promise provides Linux RAID configuration utility for these
+          controllers. Please visit <http://www.promise.com> to download.
+          To compile this driver as a module, choose M here: the
+          module will be called stex.
 config SCSI_SYM53C8XX_2
        tristate "SYM53C8XX Version 2 SCSI support"
@@ -1026,6 +1069,7 @@ config SCSI_IPR
 config SCSI_IPR_TRACE
        bool "enable driver internal trace"
        depends on SCSI_IPR
+        default y
        help
          If you say Y here, the driver will trace all commands issued
          to the adapter. Performance impact is minimal. Trace can be
@@ -1034,6 +1078,7 @@ config SCSI_IPR_TRACE
 config SCSI_IPR_DUMP
        bool "enable adapter dump support"
        depends on SCSI_IPR
+        default y
        help
          If you say Y here, the driver will support adapter crash dump.
          If you enable this support, the iprdump daemon can be used
@@ -1734,6 +1779,16 @@ config ZFCP
          called zfcp. If you want to compile it as a module, say M here
          and read <file:Documentation/modules.txt>.
+config SCSI_SRP
+        tristate "SCSI RDMA Protocol helper library"
+        depends on SCSI && PCI
+        select SCSI_TGT
+        help
+          If you wish to use SRP target drivers, say Y.
+          To compile this driver as a module, choose M here: the
+          module will be called libsrp.
 endmenu
 source "drivers/scsi/pcmcia/Kconfig"
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index bcca39c3bcbf..bd7c9888f7f4 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -21,6 +21,7 @@ CFLAGS_seagate.o =   -DARBITRATE -DPARITY -DSEAGATE_USE_ASM
 subdir-$(CONFIG_PCMCIA)         += pcmcia
 obj-$(CONFIG_SCSI)              += scsi_mod.o
+obj-$(CONFIG_SCSI_TGT)          += scsi_tgt.o
 obj-$(CONFIG_RAID_ATTRS)        += raid_class.o
@@ -125,7 +126,9 @@ obj-$(CONFIG_SCSI_FCAL)		+= fcal.o
 obj-$(CONFIG_SCSI_LASI700)      += 53c700.o lasi700.o
 obj-$(CONFIG_SCSI_NSP32)        += nsp32.o
 obj-$(CONFIG_SCSI_IPR)          += ipr.o
+obj-$(CONFIG_SCSI_SRP)          += libsrp.o
 obj-$(CONFIG_SCSI_IBMVSCSI)     += ibmvscsi/
+obj-$(CONFIG_SCSI_IBMVSCSIS)    += ibmvscsi/
 obj-$(CONFIG_SCSI_HPTIOP)       += hptiop.o
 obj-$(CONFIG_SCSI_STEX)         += stex.o
@@ -141,6 +144,8 @@ obj-$(CONFIG_CHR_DEV_SCH)	+= ch.o
 # This goes last, so that "real" scsi devices probe earlier
 obj-$(CONFIG_SCSI_DEBUG)        += scsi_debug.o
+obj-$(CONFIG_SCSI)              += scsi_wait_scan.o
 scsi_mod-y                      += scsi.o hosts.o scsi_ioctl.o constants.o \
                                   scsicam.o scsi_error.o scsi_lib.o \
                                   scsi_scan.o scsi_sysfs.o \
@@ -149,6 +154,8 @@ scsi_mod-$(CONFIG_SCSI_NETLINK)	+= scsi_netlink.o
 scsi_mod-$(CONFIG_SYSCTL)       += scsi_sysctl.o
 scsi_mod-$(CONFIG_SCSI_PROC_FS) += scsi_proc.o
+scsi_tgt-y                      += scsi_tgt_lib.o scsi_tgt_if.o
 sd_mod-objs     := sd.o
 sr_mod-objs     := sr.o sr_ioctl.o sr_vendor.o
 ncr53c8xx-flags-$(CONFIG_SCSI_ZALON) \
diff --git a/drivers/scsi/NCR53c406a.c b/drivers/scsi/NCR53c406a.c
index d4613815f685..8578555d58fd 100644
--- a/drivers/scsi/NCR53c406a.c
+++ b/drivers/scsi/NCR53c406a.c
@@ -220,9 +220,11 @@ static void *addresses[] = {
 static unsigned short ports[] = { 0x230, 0x330, 0x280, 0x290, 0x330, 0x340, 0x300, 0x310, 0x348, 0x350 };
 #define PORT_COUNT ARRAY_SIZE(ports)
+#ifndef MODULE
 /* possible interrupt channels */
 static unsigned short intrs[] = { 10, 11, 12, 15 };
 #define INTR_COUNT ARRAY_SIZE(intrs)
+#endif /* !MODULE */
 /* signatures for NCR 53c406a based controllers */
 #if USE_BIOS
@@ -605,6 +607,7 @@ static int NCR53c406a_release(struct Scsi_Host *shost)
        return 0;
 }
+#ifndef MODULE
 /* called from init/main.c */
 static int __init NCR53c406a_setup(char *str)
 {
@@ -661,6 +664,8 @@ static int __init NCR53c406a_setup(char *str)
 __setup("ncr53c406a=", NCR53c406a_setup);
+#endif /* !MODULE */
 static const char *NCR53c406a_info(struct Scsi_Host *SChost)
 {
        DEB(printk("NCR53c406a_info called\n"));
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index eb3ed91bac79..4f8b4c53d435 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -11,8 +11,8 @@
 *----------------------------------------------------------------------------*/
 #ifndef AAC_DRIVER_BUILD
-# define AAC_DRIVER_BUILD 2409
+# define AAC_DRIVER_BUILD 2423
-# define AAC_DRIVER_BRANCH "-mh2"
+# define AAC_DRIVER_BRANCH "-mh3"
 #endif
 #define MAXIMUM_NUM_CONTAINERS  32
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 19e42ac07cb2..4893a6d06a33 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -518,6 +518,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
                         */
                        unsigned long count = 36000000L; /* 3 minutes */
                        while (down_trylock(&fibptr->event_wait)) {
+                                int blink;
                                if (--count == 0) {
                                        spin_lock_irqsave(q->lock, qflags);
                                        q->numpending--;
@@ -530,6 +531,14 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
                                        }
                                        return -ETIMEDOUT;
                                }
+                                if ((blink = aac_adapter_check_health(dev)) > 0) {
+                                        if (wait == -1) {
+                                                printk(KERN_ERR "aacraid: aac_fib_send: adapter blinkLED 0x%x.\n"
+                                                  "Usually a result of a serious unrecoverable hardware problem\n",
+                                                  blink);
+                                        }
+                                        return -EFAULT;
+                                }
                                udelay(5);
                        }
                } else if (down_interruptible(&fibptr->event_wait)) {
@@ -1093,6 +1102,20 @@ static int _aac_reset_adapter(struct aac_dev *aac)
                goto out;
        }
+        /*
+         *      Loop through the fibs, close the synchronous FIBS
+         */
+        for (index = 0; index < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); index++) {
+                struct fib *fib = &aac->fibs[index];
+                if (!(fib->hw_fib->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
+                  (fib->hw_fib->header.XferState & cpu_to_le32(ResponseExpected))) {
+                        unsigned long flagv;
+                        spin_lock_irqsave(&fib->event_lock, flagv);
+                        up(&fib->event_wait);
+                        spin_unlock_irqrestore(&fib->event_lock, flagv);
+                        schedule();
+                }
+        }
        index = aac->cardtype;
        /*
diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c
index c3c38a7e8d32..d7af9c63a04d 100644
--- a/drivers/scsi/aha1740.c
+++ b/drivers/scsi/aha1740.c
@@ -586,7 +586,7 @@ static struct scsi_host_template aha1740_template = {
 static int aha1740_probe (struct device *dev)
 {
-        int slotbase;
+        int slotbase, rc;
        unsigned int irq_level, irq_type, translation;
        struct Scsi_Host *shpnt;
        struct aha1740_hostdata *host;
@@ -641,10 +641,16 @@ static int aha1740_probe (struct device *dev)
        }
        eisa_set_drvdata (edev, shpnt);
-        scsi_add_host (shpnt, dev); /* XXX handle failure */
+        rc = scsi_add_host (shpnt, dev);
+        if (rc)
+                goto err_irq;
        scsi_scan_host (shpnt);
        return 0;
+ err_irq:
+        free_irq(irq_level, shpnt);
 err_unmap:
        dma_unmap_single (&edev->dev, host->ecb_dma_addr,
                          sizeof (host->ecb), DMA_BIDIRECTIONAL);
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
index 2001fe890e71..1a3ab6aa856b 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
@@ -62,6 +62,7 @@ static struct pci_device_id ahd_linux_pci_id_table[] = {
        /* aic7901 based controllers */
        ID(ID_AHA_29320A),
        ID(ID_AHA_29320ALP),
+        ID(ID_AHA_29320LPE),
        /* aic7902 based controllers */
        ID(ID_AHA_29320),
        ID(ID_AHA_29320B),
diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c
index c07735819cd1..2cf7bb3123f0 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -109,7 +109,13 @@ static struct ahd_pci_identity ahd_pci_ident_table [] =
        {
                ID_AHA_29320ALP,
                ID_ALL_MASK,
-                "Adaptec 29320ALP Ultra320 SCSI adapter",
+                "Adaptec 29320ALP PCIx Ultra320 SCSI adapter",
+                ahd_aic7901_setup
+        },
+        {
+                ID_AHA_29320LPE,
+                ID_ALL_MASK,
+                "Adaptec 29320LPE PCIe Ultra320 SCSI adapter",
                ahd_aic7901_setup
        },
        /* aic7901A based controllers */
diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.h b/drivers/scsi/aic7xxx/aic79xx_pci.h
index da45153668c7..16b7c70a673c 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.h
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.h
@@ -51,6 +51,7 @@
 #define ID_AIC7901                      0x800F9005FFFF9005ull
 #define ID_AHA_29320A                   0x8000900500609005ull
 #define ID_AHA_29320ALP                 0x8017900500449005ull
+#define ID_AHA_29320LPE                 0x8017900500459005ull
 #define ID_AIC7901A                     0x801E9005FFFF9005ull
 #define ID_AHA_29320LP                  0x8014900500449005ull
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index 57c5ba4043f2..42302ef05ee5 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -724,6 +724,15 @@ static void asd_free_queues(struct asd_ha_struct *asd_ha)
        list_for_each_safe(pos, n, &pending) {
                struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
+                /*
+                 * Delete unexpired ascb timers.  This may happen if we issue
+                 * a CONTROL PHY scb to an adapter and rmmod before the scb
+                 * times out.  Apparently we don't wait for the CONTROL PHY
+                 * to complete, so it doesn't matter if we kill the timer.
+                 */
+                del_timer_sync(&ascb->timer);
+                WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
                list_del_init(pos);
                ASD_DPRINTK("freeing from pending\n");
                asd_ascb_free(ascb);
diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c
index b15caf1c8fa2..14d5d8c2ee13 100644
--- a/drivers/scsi/aic94xx/aic94xx_scb.c
+++ b/drivers/scsi/aic94xx/aic94xx_scb.c
@@ -25,6 +25,7 @@
 */
 #include <linux/pci.h>
+#include <scsi/scsi_host.h>
 #include "aic94xx.h"
 #include "aic94xx_reg.h"
@@ -412,6 +413,39 @@ void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id)
        }
 }
+/* hard reset a phy later */
+static void do_phy_reset_later(void *data)
+{
+        struct sas_phy *sas_phy = data;
+        int error;
+        ASD_DPRINTK("%s: About to hard reset phy %d\n", __FUNCTION__,
+                    sas_phy->identify.phy_identifier);
+        /* Reset device port */
+        error = sas_phy_reset(sas_phy, 1);
+        if (error)
+                ASD_DPRINTK("%s: Hard reset of phy %d failed (%d).\n",
+                            __FUNCTION__, sas_phy->identify.phy_identifier, error);
+}
+static void phy_reset_later(struct sas_phy *sas_phy, struct Scsi_Host *shost)
+{
+        INIT_WORK(&sas_phy->reset_work, do_phy_reset_later, sas_phy);
+        queue_work(shost->work_q, &sas_phy->reset_work);
+}
+/* start up the ABORT TASK tmf... */
+static void task_kill_later(struct asd_ascb *ascb)
+{
+        struct asd_ha_struct *asd_ha = ascb->ha;
+        struct sas_ha_struct *sas_ha = &asd_ha->sas_ha;
+        struct Scsi_Host *shost = sas_ha->core.shost;
+        struct sas_task *task = ascb->uldd_task;
+        INIT_WORK(&task->abort_work, (void (*)(void *))sas_task_abort, task);
+        queue_work(shost->work_q, &task->abort_work);
+}
 static void escb_tasklet_complete(struct asd_ascb *ascb,
                                  struct done_list_struct *dl)
 {
@@ -439,6 +473,74 @@ static void escb_tasklet_complete(struct asd_ascb *ascb,
                            ascb->scb->header.opcode);
        }
+        /* Catch these before we mask off the sb_opcode bits */
+        switch (sb_opcode) {
+        case REQ_TASK_ABORT: {
+                struct asd_ascb *a, *b;
+                u16 tc_abort;
+                tc_abort = *((u16*)(&dl->status_block[1]));
+                tc_abort = le16_to_cpu(tc_abort);
+                ASD_DPRINTK("%s: REQ_TASK_ABORT, reason=0x%X\n",
+                            __FUNCTION__, dl->status_block[3]);
+                /* Find the pending task and abort it. */
+                list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list)
+                        if (a->tc_index == tc_abort) {
+                                task_kill_later(a);
+                                break;
+                        }
+                goto out;
+        }
+        case REQ_DEVICE_RESET: {
+                struct Scsi_Host *shost = sas_ha->core.shost;
+                struct sas_phy *dev_phy;
+                struct asd_ascb *a;
+                u16 conn_handle;
+                conn_handle = *((u16*)(&dl->status_block[1]));
+                conn_handle = le16_to_cpu(conn_handle);
+                ASD_DPRINTK("%s: REQ_DEVICE_RESET, reason=0x%X\n", __FUNCTION__,
+                            dl->status_block[3]);
+                /* Kill all pending tasks and reset the device */
+                dev_phy = NULL;
+                list_for_each_entry(a, &asd_ha->seq.pend_q, list) {
+                        struct sas_task *task;
+                        struct domain_device *dev;
+                        u16 x;
+                        task = a->uldd_task;
+                        if (!task)
+                                continue;
+                        dev = task->dev;
+                        x = (unsigned long)dev->lldd_dev;
+                        if (x == conn_handle) {
+                                dev_phy = dev->port->phy;
+                                task_kill_later(a);
+                        }
+                }
+                /* Reset device port */
+                if (!dev_phy) {
+                        ASD_DPRINTK("%s: No pending commands; can't reset.\n",
+                                    __FUNCTION__);
+                        goto out;
+                }
+                phy_reset_later(dev_phy, shost);
+                goto out;
+        }
+        case SIGNAL_NCQ_ERROR:
+                ASD_DPRINTK("%s: SIGNAL_NCQ_ERROR\n", __FUNCTION__);
+                goto out;
+        case CLEAR_NCQ_ERROR:
+                ASD_DPRINTK("%s: CLEAR_NCQ_ERROR\n", __FUNCTION__);
+                goto out;
+        }
        sb_opcode &= ~DL_PHY_MASK;
        switch (sb_opcode) {
@@ -469,22 +571,6 @@ static void escb_tasklet_complete(struct asd_ascb *ascb,
                asd_deform_port(asd_ha, phy);
                sas_ha->notify_port_event(sas_phy, PORTE_TIMER_EVENT);
                break;
-        case REQ_TASK_ABORT:
-                ASD_DPRINTK("%s: phy%d: REQ_TASK_ABORT\n", __FUNCTION__,
-                            phy_id);
-                break;
-        case REQ_DEVICE_RESET:
-                ASD_DPRINTK("%s: phy%d: REQ_DEVICE_RESET\n", __FUNCTION__,
-                            phy_id);
-                break;
-        case SIGNAL_NCQ_ERROR:
-                ASD_DPRINTK("%s: phy%d: SIGNAL_NCQ_ERROR\n", __FUNCTION__,
-                            phy_id);
-                break;
-        case CLEAR_NCQ_ERROR:
-                ASD_DPRINTK("%s: phy%d: CLEAR_NCQ_ERROR\n", __FUNCTION__,
-                            phy_id);
-                break;
        default:
                ASD_DPRINTK("%s: phy%d: unknown event:0x%x\n", __FUNCTION__,
                            phy_id, sb_opcode);
@@ -504,7 +590,7 @@ static void escb_tasklet_complete(struct asd_ascb *ascb,
                break;
        }
+out:
        asd_invalidate_edb(ascb, edb);
 }
diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c
index ef8285c326e4..668569e8856b 100644
--- a/drivers/scsi/fd_mcs.c
+++ b/drivers/scsi/fd_mcs.c
@@ -294,6 +294,7 @@ static struct Scsi_Host *hosts[FD_MAX_HOSTS + 1] = { NULL };
 static int user_fifo_count = 0;
 static int user_fifo_size = 0;
+#ifndef MODULE
 static int __init fd_mcs_setup(char *str)
 {
        static int done_setup = 0;
@@ -311,6 +312,7 @@ static int __init fd_mcs_setup(char *str)
 }
 __setup("fd_mcs=", fd_mcs_setup);
+#endif /* !MODULE */
 static void print_banner(struct Scsi_Host *shpnt)
 {
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 68ef1636678d..38c3a291efac 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -263,6 +263,10 @@ static void scsi_host_dev_release(struct device *dev)
                kthread_stop(shost->ehandler);
        if (shost->work_q)
                destroy_workqueue(shost->work_q);
+        if (shost->uspace_req_q) {
+                kfree(shost->uspace_req_q->queuedata);
+                scsi_free_queue(shost->uspace_req_q);
+        }
        scsi_destroy_command_freelist(shost);
        if (shost->bqt)
@@ -301,8 +305,8 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
        if (!shost)
                return NULL;
-        spin_lock_init(&shost->default_lock);
+        shost->host_lock = &shost->default_lock;
-        scsi_assign_lock(shost, &shost->default_lock);
+        spin_lock_init(shost->host_lock);
        shost->shost_state = SHOST_CREATED;
        INIT_LIST_HEAD(&shost->__devices);
        INIT_LIST_HEAD(&shost->__targets);
diff --git a/drivers/scsi/ibmvscsi/Makefile b/drivers/scsi/ibmvscsi/Makefile
index 4e247b6b8700..6ac0633d5452 100644
--- a/drivers/scsi/ibmvscsi/Makefile
+++ b/drivers/scsi/ibmvscsi/Makefile
@@ -3,3 +3,5 @@ obj-$(CONFIG_SCSI_IBMVSCSI)	+= ibmvscsic.o
 ibmvscsic-y                     += ibmvscsi.o
 ibmvscsic-$(CONFIG_PPC_ISERIES) += iseries_vscsi.o 
 ibmvscsic-$(CONFIG_PPC_PSERIES) += rpa_vscsi.o 
+obj-$(CONFIG_SCSI_IBMVSCSIS)    += ibmvstgt.o
diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c
new file mode 100644
index 000000000000..0e74174a1b37
--- /dev/null
+++ b/drivers/scsi/ibmvscsi/ibmvstgt.c
@@ -0,0 +1,958 @@
+/*
+ * IBM eServer i/pSeries Virtual SCSI Target Driver
+ * Copyright (C) 2003-2005 Dave Boutcher (boutcher@us.ibm.com) IBM Corp.
+ *                         Santiago Leon (santil@us.ibm.com) IBM Corp.
+ *                         Linda Xie (lxie@us.ibm.com) IBM Corp.
+ *
+ * Copyright (C) 2005-2006 FUJITA Tomonori <tomof@acm.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tgt.h>
+#include <scsi/libsrp.h>
+#include <asm/hvcall.h>
+#include <asm/iommu.h>
+#include <asm/prom.h>
+#include <asm/vio.h>
+#include "ibmvscsi.h"
+#define INITIAL_SRP_LIMIT       16
+#define DEFAULT_MAX_SECTORS     512
+#define TGT_NAME        "ibmvstgt"
+/*
+ * Hypervisor calls.
+ */
+#define h_copy_rdma(l, sa, sb, da, db) \
+                        plpar_hcall_norets(H_COPY_RDMA, l, sa, sb, da, db)
+#define h_send_crq(ua, l, h) \
+                        plpar_hcall_norets(H_SEND_CRQ, ua, l, h)
+#define h_reg_crq(ua, tok, sz)\
+                        plpar_hcall_norets(H_REG_CRQ, ua, tok, sz);
+#define h_free_crq(ua) \
+                        plpar_hcall_norets(H_FREE_CRQ, ua);
+/* tmp - will replace with SCSI logging stuff */
+#define eprintk(fmt, args...)                                   \
+do {                                                            \
+        printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args);  \
+} while (0)
+/* #define dprintk eprintk */
+#define dprintk(fmt, args...)
+struct vio_port {
+        struct vio_dev *dma_dev;
+        struct crq_queue crq_queue;
+        struct work_struct crq_work;
+        unsigned long liobn;
+        unsigned long riobn;
+};
+static struct workqueue_struct *vtgtd;
+/*
+ * These are fixed for the system and come from the Open Firmware device tree.
+ * We just store them here to save getting them every time.
+ */
+static char system_id[64] = "";
+static char partition_name[97] = "UNKNOWN";
+static unsigned int partition_number = -1;
+static struct vio_port *target_to_port(struct srp_target *target)
+{
+        return (struct vio_port *) target->ldata;
+}
+static inline union viosrp_iu *vio_iu(struct iu_entry *iue)
+{
+        return (union viosrp_iu *) (iue->sbuf->buf);
+}
+static int send_iu(struct iu_entry *iue, uint64_t length, uint8_t format)
+{
+        struct srp_target *target = iue->target;
+        struct vio_port *vport = target_to_port(target);
+        long rc, rc1;
+        union {
+                struct viosrp_crq cooked;
+                uint64_t raw[2];
+        } crq;
+        /* First copy the SRP */
+        rc = h_copy_rdma(length, vport->liobn, iue->sbuf->dma,
+                         vport->riobn, iue->remote_token);
+        if (rc)
+                eprintk("Error %ld transferring data\n", rc);
+        crq.cooked.valid = 0x80;
+        crq.cooked.format = format;
+        crq.cooked.reserved = 0x00;
+        crq.cooked.timeout = 0x00;
+        crq.cooked.IU_length = length;
+        crq.cooked.IU_data_ptr = vio_iu(iue)->srp.rsp.tag;
+        if (rc == 0)
+                crq.cooked.status = 0x99;       /* Just needs to be non-zero */
+        else
+                crq.cooked.status = 0x00;
+        rc1 = h_send_crq(vport->dma_dev->unit_address, crq.raw[0], crq.raw[1]);
+        if (rc1) {
+                eprintk("%ld sending response\n", rc1);
+                return rc1;
+        }
+        return rc;
+}
+#define SRP_RSP_SENSE_DATA_LEN  18
+static int send_rsp(struct iu_entry *iue, struct scsi_cmnd *sc,
+                    unsigned char status, unsigned char asc)
+{
+        union viosrp_iu *iu = vio_iu(iue);
+        uint64_t tag = iu->srp.rsp.tag;
+        /* If the linked bit is on and status is good */
+        if (test_bit(V_LINKED, &iue->flags) && (status == NO_SENSE))
+                status = 0x10;
+        memset(iu, 0, sizeof(struct srp_rsp));
+        iu->srp.rsp.opcode = SRP_RSP;
+        iu->srp.rsp.req_lim_delta = 1;
+        iu->srp.rsp.tag = tag;
+        if (test_bit(V_DIOVER, &iue->flags))
+                iu->srp.rsp.flags |= SRP_RSP_FLAG_DIOVER;
+        iu->srp.rsp.data_in_res_cnt = 0;
+        iu->srp.rsp.data_out_res_cnt = 0;
+        iu->srp.rsp.flags &= ~SRP_RSP_FLAG_RSPVALID;
+        iu->srp.rsp.resp_data_len = 0;
+        iu->srp.rsp.status = status;
+        if (status) {
+                uint8_t *sense = iu->srp.rsp.data;
+                if (sc) {
+                        iu->srp.rsp.flags |= SRP_RSP_FLAG_SNSVALID;
+                        iu->srp.rsp.sense_data_len = SCSI_SENSE_BUFFERSIZE;
+                        memcpy(sense, sc->sense_buffer, SCSI_SENSE_BUFFERSIZE);
+                } else {
+                        iu->srp.rsp.status = SAM_STAT_CHECK_CONDITION;
+                        iu->srp.rsp.flags |= SRP_RSP_FLAG_SNSVALID;
+                        iu->srp.rsp.sense_data_len = SRP_RSP_SENSE_DATA_LEN;
+                        /* Valid bit and 'current errors' */
+                        sense[0] = (0x1 << 7 | 0x70);
+                        /* Sense key */
+                        sense[2] = status;
+                        /* Additional sense length */
+                        sense[7] = 0xa; /* 10 bytes */
+                        /* Additional sense code */
+                        sense[12] = asc;
+                }
+        }
+        send_iu(iue, sizeof(iu->srp.rsp) + SRP_RSP_SENSE_DATA_LEN,
+                VIOSRP_SRP_FORMAT);
+        return 0;
+}
+static void handle_cmd_queue(struct srp_target *target)
+{
+        struct Scsi_Host *shost = target->shost;
+        struct iu_entry *iue;
+        struct srp_cmd *cmd;
+        unsigned long flags;
+        int err;
+retry:
+        spin_lock_irqsave(&target->lock, flags);
+        list_for_each_entry(iue, &target->cmd_queue, ilist) {
+                if (!test_and_set_bit(V_FLYING, &iue->flags)) {
+                        spin_unlock_irqrestore(&target->lock, flags);
+                        cmd = iue->sbuf->buf;
+                        err = srp_cmd_queue(shost, cmd, iue, 0);
+                        if (err) {
+                                eprintk("cannot queue cmd %p %d\n", cmd, err);
+                                srp_iu_put(iue);
+                        }
+                        goto retry;
+                }
+        }
+        spin_unlock_irqrestore(&target->lock, flags);
+}
+static int ibmvstgt_rdma(struct scsi_cmnd *sc, struct scatterlist *sg, int nsg,
+                         struct srp_direct_buf *md, int nmd,
+                         enum dma_data_direction dir, unsigned int rest)
+{
+        struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr;
+        struct srp_target *target = iue->target;
+        struct vio_port *vport = target_to_port(target);
+        dma_addr_t token;
+        long err;
+        unsigned int done = 0;
+        int i, sidx, soff;
+        sidx = soff = 0;
+        token = sg_dma_address(sg + sidx);
+        for (i = 0; i < nmd && rest; i++) {
+                unsigned int mdone, mlen;
+                mlen = min(rest, md[i].len);
+                for (mdone = 0; mlen;) {
+                        int slen = min(sg_dma_len(sg + sidx) - soff, mlen);
+                        if (dir == DMA_TO_DEVICE)
+                                err = h_copy_rdma(slen,
+                                                  vport->riobn,
+                                                  md[i].va + mdone,
+                                                  vport->liobn,
+                                                  token + soff);
+                        else
+                                err = h_copy_rdma(slen,
+                                                  vport->liobn,
+                                                  token + soff,
+                                                  vport->riobn,
+                                                  md[i].va + mdone);
+                        if (err != H_SUCCESS) {
+                                eprintk("rdma error %d %d\n", dir, slen);
+                                goto out;
+                        }
+                        mlen -= slen;
+                        mdone += slen;
+                        soff += slen;
+                        done += slen;
+                        if (soff == sg_dma_len(sg + sidx)) {
+                                sidx++;
+                                soff = 0;
+                                token = sg_dma_address(sg + sidx);
+                                if (sidx > nsg) {
+                                        eprintk("out of sg %p %d %d\n",
+                                                iue, sidx, nsg);
+                                        goto out;
+                                }
+                        }
+                };
+                rest -= mlen;
+        }
+out:
+        return 0;
+}
+static int ibmvstgt_transfer_data(struct scsi_cmnd *sc,
+                                  void (*done)(struct scsi_cmnd *))
+{
+        struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr;
+        int err;
+        err = srp_transfer_data(sc, &vio_iu(iue)->srp.cmd, ibmvstgt_rdma, 1, 1);
+        done(sc);
+        return err;
+}
+static int ibmvstgt_cmd_done(struct scsi_cmnd *sc,
+                             void (*done)(struct scsi_cmnd *))
+{
+        unsigned long flags;
+        struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr;
+        struct srp_target *target = iue->target;
+        dprintk("%p %p %x\n", iue, target, vio_iu(iue)->srp.cmd.cdb[0]);
+        spin_lock_irqsave(&target->lock, flags);
+        list_del(&iue->ilist);
+        spin_unlock_irqrestore(&target->lock, flags);
+        if (sc->result != SAM_STAT_GOOD) {
+                eprintk("operation failed %p %d %x\n",
+                        iue, sc->result, vio_iu(iue)->srp.cmd.cdb[0]);
+                send_rsp(iue, sc, HARDWARE_ERROR, 0x00);
+        } else
+                send_rsp(iue, sc, NO_SENSE, 0x00);
+        done(sc);
+        srp_iu_put(iue);
+        return 0;
+}
+int send_adapter_info(struct iu_entry *iue,
+                      dma_addr_t remote_buffer, uint16_t length)
+{
+        struct srp_target *target = iue->target;
+        struct vio_port *vport = target_to_port(target);
+        struct Scsi_Host *shost = target->shost;
+        dma_addr_t data_token;
+        struct mad_adapter_info_data *info;
+        int err;
+        info = dma_alloc_coherent(target->dev, sizeof(*info), &data_token,
+                                  GFP_KERNEL);
+        if (!info) {
+                eprintk("bad dma_alloc_coherent %p\n", target);
+                return 1;
+        }
+        /* Get remote info */
+        err = h_copy_rdma(sizeof(*info), vport->riobn, remote_buffer,
+                          vport->liobn, data_token);
+        if (err == H_SUCCESS) {
+                dprintk("Client connect: %s (%d)\n",
+                        info->partition_name, info->partition_number);
+        }
+        memset(info, 0, sizeof(*info));
+        strcpy(info->srp_version, "16.a");
+        strncpy(info->partition_name, partition_name,
+                sizeof(info->partition_name));
+        info->partition_number = partition_number;
+        info->mad_version = 1;
+        info->os_type = 2;
+        info->port_max_txu[0] = shost->hostt->max_sectors << 9;
+        /* Send our info to remote */
+        err = h_copy_rdma(sizeof(*info), vport->liobn, data_token,
+                          vport->riobn, remote_buffer);
+        dma_free_coherent(target->dev, sizeof(*info), info, data_token);
+        if (err != H_SUCCESS) {
+                eprintk("Error sending adapter info %d\n", err);
+                return 1;
+        }
+        return 0;
+}
+static void process_login(struct iu_entry *iue)
+{
+        union viosrp_iu *iu = vio_iu(iue);
+        struct srp_login_rsp *rsp = &iu->srp.login_rsp;
+        uint64_t tag = iu->srp.rsp.tag;
+        /* TODO handle case that requested size is wrong and
+         * buffer format is wrong
+         */
+        memset(iu, 0, sizeof(struct srp_login_rsp));
+        rsp->opcode = SRP_LOGIN_RSP;
+        rsp->req_lim_delta = INITIAL_SRP_LIMIT;
+        rsp->tag = tag;
+        rsp->max_it_iu_len = sizeof(union srp_iu);
+        rsp->max_ti_iu_len = sizeof(union srp_iu);
+        /* direct and indirect */
+        rsp->buf_fmt = SRP_BUF_FORMAT_DIRECT | SRP_BUF_FORMAT_INDIRECT;
+        send_iu(iue, sizeof(*rsp), VIOSRP_SRP_FORMAT);
+}
+static inline void queue_cmd(struct iu_entry *iue)
+{
+        struct srp_target *target = iue->target;
+        unsigned long flags;
+        spin_lock_irqsave(&target->lock, flags);
+        list_add_tail(&iue->ilist, &target->cmd_queue);
+        spin_unlock_irqrestore(&target->lock, flags);
+}
+static int process_tsk_mgmt(struct iu_entry *iue)
+{
+        union viosrp_iu *iu = vio_iu(iue);
+        int fn;
+        dprintk("%p %u\n", iue, iu->srp.tsk_mgmt.tsk_mgmt_func);
+        switch (iu->srp.tsk_mgmt.tsk_mgmt_func) {
+        case SRP_TSK_ABORT_TASK:
+                fn = ABORT_TASK;
+                break;
+        case SRP_TSK_ABORT_TASK_SET:
+                fn = ABORT_TASK_SET;
+                break;
+        case SRP_TSK_CLEAR_TASK_SET:
+                fn = CLEAR_TASK_SET;
+                break;
+        case SRP_TSK_LUN_RESET:
+                fn = LOGICAL_UNIT_RESET;
+                break;
+        case SRP_TSK_CLEAR_ACA:
+                fn = CLEAR_ACA;
+                break;
+        default:
+                fn = 0;
+        }
+        if (fn)
+                scsi_tgt_tsk_mgmt_request(iue->target->shost, fn,
+                                          iu->srp.tsk_mgmt.task_tag,
+                                          (struct scsi_lun *) &iu->srp.tsk_mgmt.lun,
+                                          iue);
+        else
+                send_rsp(iue, NULL, ILLEGAL_REQUEST, 0x20);
+        return !fn;
+}
+static int process_mad_iu(struct iu_entry *iue)
+{
+        union viosrp_iu *iu = vio_iu(iue);
+        struct viosrp_adapter_info *info;
+        struct viosrp_host_config *conf;
+        switch (iu->mad.empty_iu.common.type) {
+        case VIOSRP_EMPTY_IU_TYPE:
+                eprintk("%s\n", "Unsupported EMPTY MAD IU");
+                break;
+        case VIOSRP_ERROR_LOG_TYPE:
+                eprintk("%s\n", "Unsupported ERROR LOG MAD IU");
+                iu->mad.error_log.common.status = 1;
+                send_iu(iue, sizeof(iu->mad.error_log), VIOSRP_MAD_FORMAT);
+                break;
+        case VIOSRP_ADAPTER_INFO_TYPE:
+                info = &iu->mad.adapter_info;
+                info->common.status = send_adapter_info(iue, info->buffer,
+                                                        info->common.length);
+                send_iu(iue, sizeof(*info), VIOSRP_MAD_FORMAT);
+                break;
+        case VIOSRP_HOST_CONFIG_TYPE:
+                conf = &iu->mad.host_config;
+                conf->common.status = 1;
+                send_iu(iue, sizeof(*conf), VIOSRP_MAD_FORMAT);
+                break;
+        default:
+                eprintk("Unknown type %u\n", iu->srp.rsp.opcode);
+        }
+        return 1;
+}
+static int process_srp_iu(struct iu_entry *iue)
+{
+        union viosrp_iu *iu = vio_iu(iue);
+        int done = 1;
+        u8 opcode = iu->srp.rsp.opcode;
+        switch (opcode) {
+        case SRP_LOGIN_REQ:
+                process_login(iue);
+                break;
+        case SRP_TSK_MGMT:
+                done = process_tsk_mgmt(iue);
+                break;
+        case SRP_CMD:
+                queue_cmd(iue);
+                done = 0;
+                break;
+        case SRP_LOGIN_RSP:
+        case SRP_I_LOGOUT:
+        case SRP_T_LOGOUT:
+        case SRP_RSP:
+        case SRP_CRED_REQ:
+        case SRP_CRED_RSP:
+        case SRP_AER_REQ:
+        case SRP_AER_RSP:
+                eprintk("Unsupported type %u\n", opcode);
+                break;
+        default:
+                eprintk("Unknown type %u\n", opcode);
+        }
+        return done;
+}
+static void process_iu(struct viosrp_crq *crq, struct srp_target *target)
+{
+        struct vio_port *vport = target_to_port(target);
+        struct iu_entry *iue;
+        long err, done;
+        iue = srp_iu_get(target);
+        if (!iue) {
+                eprintk("Error getting IU from pool, %p\n", target);
+                return;
+        }
+        iue->remote_token = crq->IU_data_ptr;
+        err = h_copy_rdma(crq->IU_length, vport->riobn,
+                          iue->remote_token, vport->liobn, iue->sbuf->dma);
+        if (err != H_SUCCESS) {
+                eprintk("%ld transferring data error %p\n", err, iue);
+                done = 1;
+                goto out;
+        }
+        if (crq->format == VIOSRP_MAD_FORMAT)
+                done = process_mad_iu(iue);
+        else
+                done = process_srp_iu(iue);
+out:
+        if (done)
+                srp_iu_put(iue);
+}
+static irqreturn_t ibmvstgt_interrupt(int irq, void *data)
+{
+        struct srp_target *target = (struct srp_target *) data;
+        struct vio_port *vport = target_to_port(target);
+        vio_disable_interrupts(vport->dma_dev);
+        queue_work(vtgtd, &vport->crq_work);
+        return IRQ_HANDLED;
+}
+static int crq_queue_create(struct crq_queue *queue, struct srp_target *target)
+{
+        int err;
+        struct vio_port *vport = target_to_port(target);
+        queue->msgs = (struct viosrp_crq *) get_zeroed_page(GFP_KERNEL);
+        if (!queue->msgs)
+                goto malloc_failed;
+        queue->size = PAGE_SIZE / sizeof(*queue->msgs);
+        queue->msg_token = dma_map_single(target->dev, queue->msgs,
+                                          queue->size * sizeof(*queue->msgs),
+                                          DMA_BIDIRECTIONAL);
+        if (dma_mapping_error(queue->msg_token))
+                goto map_failed;
+        err = h_reg_crq(vport->dma_dev->unit_address, queue->msg_token,
+                        PAGE_SIZE);
+        /* If the adapter was left active for some reason (like kexec)
+         * try freeing and re-registering
+         */
+        if (err == H_RESOURCE) {
+            do {
+                err = h_free_crq(vport->dma_dev->unit_address);
+            } while (err == H_BUSY || H_IS_LONG_BUSY(err));
+            err = h_reg_crq(vport->dma_dev->unit_address, queue->msg_token,
+                            PAGE_SIZE);
+        }
+        if (err != H_SUCCESS && err != 2) {
+                eprintk("Error 0x%x opening virtual adapter\n", err);
+                goto reg_crq_failed;
+        }
+        err = request_irq(vport->dma_dev->irq, &ibmvstgt_interrupt,
+                          SA_INTERRUPT, "ibmvstgt", target);
+        if (err)
+                goto req_irq_failed;
+        vio_enable_interrupts(vport->dma_dev);
+        h_send_crq(vport->dma_dev->unit_address, 0xC001000000000000, 0);
+        queue->cur = 0;
+        spin_lock_init(&queue->lock);
+        return 0;
+req_irq_failed:
+        do {
+                err = h_free_crq(vport->dma_dev->unit_address);
+        } while (err == H_BUSY || H_IS_LONG_BUSY(err));
+reg_crq_failed:
+        dma_unmap_single(target->dev, queue->msg_token,
+                         queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL);
+map_failed:
+        free_page((unsigned long) queue->msgs);
+malloc_failed:
+        return -ENOMEM;
+}
+static void crq_queue_destroy(struct srp_target *target)
+{
+        struct vio_port *vport = target_to_port(target);
+        struct crq_queue *queue = &vport->crq_queue;
+        int err;
+        free_irq(vport->dma_dev->irq, target);
+        do {
+                err = h_free_crq(vport->dma_dev->unit_address);
+        } while (err == H_BUSY || H_IS_LONG_BUSY(err));
+        dma_unmap_single(target->dev, queue->msg_token,
+                         queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL);
+        free_page((unsigned long) queue->msgs);
+}
+static void process_crq(struct viosrp_crq *crq, struct srp_target *target)
+{
+        struct vio_port *vport = target_to_port(target);
+        dprintk("%x %x\n", crq->valid, crq->format);
+        switch (crq->valid) {
+        case 0xC0:
+                /* initialization */
+                switch (crq->format) {
+                case 0x01:
+                        h_send_crq(vport->dma_dev->unit_address,
+                                   0xC002000000000000, 0);
+                        break;
+                case 0x02:
+                        break;
+                default:
+                        eprintk("Unknown format %u\n", crq->format);
+                }
+                break;
+        case 0xFF:
+                /* transport event */
+                break;
+        case 0x80:
+                /* real payload */
+                switch (crq->format) {
+                case VIOSRP_SRP_FORMAT:
+                case VIOSRP_MAD_FORMAT:
+                        process_iu(crq, target);
+                        break;
+                case VIOSRP_OS400_FORMAT:
+                case VIOSRP_AIX_FORMAT:
+                case VIOSRP_LINUX_FORMAT:
+                case VIOSRP_INLINE_FORMAT:
+                        eprintk("Unsupported format %u\n", crq->format);
+                        break;
+                default:
+                        eprintk("Unknown format %u\n", crq->format);
+                }
+                break;
+        default:
+                eprintk("unknown message type 0x%02x!?\n", crq->valid);
+        }
+}
+static inline struct viosrp_crq *next_crq(struct crq_queue *queue)
+{
+        struct viosrp_crq *crq;
+        unsigned long flags;
+        spin_lock_irqsave(&queue->lock, flags);
+        crq = &queue->msgs[queue->cur];
+        if (crq->valid & 0x80) {
+                if (++queue->cur == queue->size)
+                        queue->cur = 0;
+        } else
+                crq = NULL;
+        spin_unlock_irqrestore(&queue->lock, flags);
+        return crq;
+}
+static void handle_crq(void *data)
+{
+        struct srp_target *target = (struct srp_target *) data;
+        struct vio_port *vport = target_to_port(target);
+        struct viosrp_crq *crq;
+        int done = 0;
+        while (!done) {
+                while ((crq = next_crq(&vport->crq_queue)) != NULL) {
+                        process_crq(crq, target);
+                        crq->valid = 0x00;
+                }
+                vio_enable_interrupts(vport->dma_dev);
+                crq = next_crq(&vport->crq_queue);
+                if (crq) {
+                        vio_disable_interrupts(vport->dma_dev);
+                        process_crq(crq, target);
+                        crq->valid = 0x00;
+                } else
+                        done = 1;
+        }
+        handle_cmd_queue(target);
+}
+static int ibmvstgt_eh_abort_handler(struct scsi_cmnd *sc)
+{
+        unsigned long flags;
+        struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr;
+        struct srp_target *target = iue->target;
+        dprintk("%p %p %x\n", iue, target, vio_iu(iue)->srp.cmd.cdb[0]);
+        spin_lock_irqsave(&target->lock, flags);
+        list_del(&iue->ilist);
+        spin_unlock_irqrestore(&target->lock, flags);
+        srp_iu_put(iue);
+        return 0;
+}
+static int ibmvstgt_tsk_mgmt_response(u64 mid, int result)
+{
+        struct iu_entry *iue = (struct iu_entry *) ((void *) mid);
+        union viosrp_iu *iu = vio_iu(iue);
+        unsigned char status, asc;
+        eprintk("%p %d\n", iue, result);
+        status = NO_SENSE;
+        asc = 0;
+        switch (iu->srp.tsk_mgmt.tsk_mgmt_func) {
+        case SRP_TSK_ABORT_TASK:
+                asc = 0x14;
+                if (result)
+                        status = ABORTED_COMMAND;
+                break;
+        default:
+                break;
+        }
+        send_rsp(iue, NULL, status, asc);
+        srp_iu_put(iue);
+        return 0;
+}
+static ssize_t system_id_show(struct class_device *cdev, char *buf)
+{
+        return snprintf(buf, PAGE_SIZE, "%s\n", system_id);
+}
+static ssize_t partition_number_show(struct class_device *cdev, char *buf)
+{
+        return snprintf(buf, PAGE_SIZE, "%x\n", partition_number);
+}
+static ssize_t unit_address_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *shost = class_to_shost(cdev);
+        struct srp_target *target = host_to_srp_target(shost);
+        struct vio_port *vport = target_to_port(target);
+        return snprintf(buf, PAGE_SIZE, "%x\n", vport->dma_dev->unit_address);
+}
+static CLASS_DEVICE_ATTR(system_id, S_IRUGO, system_id_show, NULL);
+static CLASS_DEVICE_ATTR(partition_number, S_IRUGO, partition_number_show, NULL);
+static CLASS_DEVICE_ATTR(unit_address, S_IRUGO, unit_address_show, NULL);
+static struct class_device_attribute *ibmvstgt_attrs[] = {
+        &class_device_attr_system_id,
+        &class_device_attr_partition_number,
+        &class_device_attr_unit_address,
+        NULL,
+};
+static struct scsi_host_template ibmvstgt_sht = {
+        .name                   = TGT_NAME,
+        .module                 = THIS_MODULE,
+        .can_queue              = INITIAL_SRP_LIMIT,
+        .sg_tablesize           = SG_ALL,
+        .use_clustering         = DISABLE_CLUSTERING,
+        .max_sectors            = DEFAULT_MAX_SECTORS,
+        .transfer_response      = ibmvstgt_cmd_done,
+        .transfer_data          = ibmvstgt_transfer_data,
+        .eh_abort_handler       = ibmvstgt_eh_abort_handler,
+        .tsk_mgmt_response      = ibmvstgt_tsk_mgmt_response,
+        .shost_attrs            = ibmvstgt_attrs,
+        .proc_name              = TGT_NAME,
+};
+static int ibmvstgt_probe(struct vio_dev *dev, const struct vio_device_id *id)
+{
+        struct Scsi_Host *shost;
+        struct srp_target *target;
+        struct vio_port *vport;
+        unsigned int *dma, dma_size;
+        int err = -ENOMEM;
+        vport = kzalloc(sizeof(struct vio_port), GFP_KERNEL);
+        if (!vport)
+                return err;
+        shost = scsi_host_alloc(&ibmvstgt_sht, sizeof(struct srp_target));
+        if (!shost)
+                goto free_vport;
+        err = scsi_tgt_alloc_queue(shost);
+        if (err)
+                goto put_host;
+        target = host_to_srp_target(shost);
+        target->shost = shost;
+        vport->dma_dev = dev;
+        target->ldata = vport;
+        err = srp_target_alloc(target, &dev->dev, INITIAL_SRP_LIMIT,
+                               SRP_MAX_IU_LEN);
+        if (err)
+                goto put_host;
+        dma = (unsigned int *) vio_get_attribute(dev, "ibm,my-dma-window",
+                                                 &dma_size);
+        if (!dma || dma_size != 40) {
+                eprintk("Couldn't get window property %d\n", dma_size);
+                err = -EIO;
+                goto free_srp_target;
+        }
+        vport->liobn = dma[0];
+        vport->riobn = dma[5];
+        INIT_WORK(&vport->crq_work, handle_crq, target);
+        err = crq_queue_create(&vport->crq_queue, target);
+        if (err)
+                goto free_srp_target;
+        err = scsi_add_host(shost, target->dev);
+        if (err)
+                goto destroy_queue;
+        return 0;
+destroy_queue:
+        crq_queue_destroy(target);
+free_srp_target:
+        srp_target_free(target);
+put_host:
+        scsi_host_put(shost);
+free_vport:
+        kfree(vport);
+        return err;
+}
+static int ibmvstgt_remove(struct vio_dev *dev)
+{
+        struct srp_target *target = (struct srp_target *) dev->dev.driver_data;
+        struct Scsi_Host *shost = target->shost;
+        struct vio_port *vport = target->ldata;
+        crq_queue_destroy(target);
+        scsi_remove_host(shost);
+        scsi_tgt_free_queue(shost);
+        srp_target_free(target);
+        kfree(vport);
+        scsi_host_put(shost);
+        return 0;
+}
+static struct vio_device_id ibmvstgt_device_table[] __devinitdata = {
+        {"v-scsi-host", "IBM,v-scsi-host"},
+        {"",""}
+};
+MODULE_DEVICE_TABLE(vio, ibmvstgt_device_table);
+static struct vio_driver ibmvstgt_driver = {
+        .id_table = ibmvstgt_device_table,
+        .probe = ibmvstgt_probe,
+        .remove = ibmvstgt_remove,
+        .driver = {
+                .name = "ibmvscsis",
+                .owner = THIS_MODULE,
+        }
+};
+static int get_system_info(void)
+{
+        struct device_node *rootdn;
+        const char *id, *model, *name;
+        unsigned int *num;
+        rootdn = find_path_device("/");
+        if (!rootdn)
+                return -ENOENT;
+        model = get_property(rootdn, "model", NULL);
+        id = get_property(rootdn, "system-id", NULL);
+        if (model && id)
+                snprintf(system_id, sizeof(system_id), "%s-%s", model, id);
+        name = get_property(rootdn, "ibm,partition-name", NULL);
+        if (name)
+                strncpy(partition_name, name, sizeof(partition_name));
+        num = (unsigned int *) get_property(rootdn, "ibm,partition-no", NULL);
+        if (num)
+                partition_number = *num;
+        return 0;
+}
+static int ibmvstgt_init(void)
+{
+        int err = -ENOMEM;
+        printk("IBM eServer i/pSeries Virtual SCSI Target Driver\n");
+        vtgtd = create_workqueue("ibmvtgtd");
+        if (!vtgtd)
+                return err;
+        err = get_system_info();
+        if (err)
+                goto destroy_wq;
+        err = vio_register_driver(&ibmvstgt_driver);
+        if (err)
+                goto destroy_wq;
+        return 0;
+destroy_wq:
+        destroy_workqueue(vtgtd);
+        return err;
+}
+static void ibmvstgt_exit(void)
+{
+        printk("Unregister IBM virtual SCSI driver\n");
+        destroy_workqueue(vtgtd);
+        vio_unregister_driver(&ibmvstgt_driver);
+}
+MODULE_DESCRIPTION("IBM Virtual SCSI Target");
+MODULE_AUTHOR("Santiago Leon");
+MODULE_LICENSE("GPL");
+module_init(ibmvstgt_init);
+module_exit(ibmvstgt_exit);
diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c
index afed293dd7b9..f160357e37a6 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -170,7 +170,7 @@ static int setup_debug = 0;
 static void i91uSCBPost(BYTE * pHcb, BYTE * pScb);
 /* PCI Devices supported by this driver */
-static struct pci_device_id i91u_pci_devices[] __devinitdata = {
+static struct pci_device_id i91u_pci_devices[] = {
        { PCI_VENDOR_ID_INIT,  I950_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
        { PCI_VENDOR_ID_INIT,  I940_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
        { PCI_VENDOR_ID_INIT,  I935_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 2dde821025f3..2d83fbb806a5 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -79,7 +79,6 @@
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsi_eh.h>
 #include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_transport.h>
 #include "ipr.h"
 /*
@@ -98,7 +97,7 @@ static DEFINE_SPINLOCK(ipr_driver_lock);
 /* This table describes the differences between DMA controller chips */
 static const struct ipr_chip_cfg_t ipr_chip_cfg[] = {
-        { /* Gemstone, Citrine, and Obsidian */
+        { /* Gemstone, Citrine, Obsidian, and Obsidian-E */
                .mailbox = 0x0042C,
                .cache_line_size = 0x20,
                {
@@ -135,6 +134,7 @@ static const struct ipr_chip_t ipr_chip[] = {
        { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, &ipr_chip_cfg[0] },
        { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, &ipr_chip_cfg[0] },
        { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, &ipr_chip_cfg[0] },
+        { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, &ipr_chip_cfg[0] },
        { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, &ipr_chip_cfg[1] },
        { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, &ipr_chip_cfg[1] }
 };
@@ -1249,19 +1249,23 @@ static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg,
 /**
 * ipr_log_hex_data - Log additional hex IOA error data.
+ * @ioa_cfg:    ioa config struct
 * @data:               IOA error data
 * @len:                data length
 *
 * Return value:
 *      none
 **/
-static void ipr_log_hex_data(u32 *data, int len)
+static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len)
 {
        int i;
        if (len == 0)
                return;
+        if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL)
+                len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP);
        for (i = 0; i < len / 4; i += 4) {
                ipr_err("%08X: %08X %08X %08X %08X\n", i*4,
                        be32_to_cpu(data[i]),
@@ -1290,7 +1294,7 @@ static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
        ipr_err("%s\n", error->failure_reason);
        ipr_err("Remote Adapter VPD:\n");
        ipr_log_ext_vpd(&error->vpd);
-        ipr_log_hex_data(error->data,
+        ipr_log_hex_data(ioa_cfg, error->data,
                         be32_to_cpu(hostrcb->hcam.length) -
                         (offsetof(struct ipr_hostrcb_error, u) +
                          offsetof(struct ipr_hostrcb_type_17_error, data)));
@@ -1315,12 +1319,225 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
        ipr_err("%s\n", error->failure_reason);
        ipr_err("Remote Adapter VPD:\n");
        ipr_log_vpd(&error->vpd);
-        ipr_log_hex_data(error->data,
+        ipr_log_hex_data(ioa_cfg, error->data,
                         be32_to_cpu(hostrcb->hcam.length) -
                         (offsetof(struct ipr_hostrcb_error, u) +
                          offsetof(struct ipr_hostrcb_type_07_error, data)));
 }
+static const struct {
+        u8 active;
+        char *desc;
+} path_active_desc[] = {
+        { IPR_PATH_NO_INFO, "Path" },
+        { IPR_PATH_ACTIVE, "Active path" },
+        { IPR_PATH_NOT_ACTIVE, "Inactive path" }
+};
+static const struct {
+        u8 state;
+        char *desc;
+} path_state_desc[] = {
+        { IPR_PATH_STATE_NO_INFO, "has no path state information available" },
+        { IPR_PATH_HEALTHY, "is healthy" },
+        { IPR_PATH_DEGRADED, "is degraded" },
+        { IPR_PATH_FAILED, "is failed" }
+};
+/**
+ * ipr_log_fabric_path - Log a fabric path error
+ * @hostrcb:    hostrcb struct
+ * @fabric:             fabric descriptor
+ *
+ * Return value:
+ *      none
+ **/
+static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb,
+                                struct ipr_hostrcb_fabric_desc *fabric)
+{
+        int i, j;
+        u8 path_state = fabric->path_state;
+        u8 active = path_state & IPR_PATH_ACTIVE_MASK;
+        u8 state = path_state & IPR_PATH_STATE_MASK;
+        for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) {
+                if (path_active_desc[i].active != active)
+                        continue;
+                for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) {
+                        if (path_state_desc[j].state != state)
+                                continue;
+                        if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) {
+                                ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n",
+                                             path_active_desc[i].desc, path_state_desc[j].desc,
+                                             fabric->ioa_port);
+                        } else if (fabric->cascaded_expander == 0xff) {
+                                ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n",
+                                             path_active_desc[i].desc, path_state_desc[j].desc,
+                                             fabric->ioa_port, fabric->phy);
+                        } else if (fabric->phy == 0xff) {
+                                ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n",
+                                             path_active_desc[i].desc, path_state_desc[j].desc,
+                                             fabric->ioa_port, fabric->cascaded_expander);
+                        } else {
+                                ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n",
+                                             path_active_desc[i].desc, path_state_desc[j].desc,
+                                             fabric->ioa_port, fabric->cascaded_expander, fabric->phy);
+                        }
+                        return;
+                }
+        }
+        ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state,
+                fabric->ioa_port, fabric->cascaded_expander, fabric->phy);
+}
+static const struct {
+        u8 type;
+        char *desc;
+} path_type_desc[] = {
+        { IPR_PATH_CFG_IOA_PORT, "IOA port" },
+        { IPR_PATH_CFG_EXP_PORT, "Expander port" },
+        { IPR_PATH_CFG_DEVICE_PORT, "Device port" },
+        { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" }
+};
+static const struct {
+        u8 status;
+        char *desc;
+} path_status_desc[] = {
+        { IPR_PATH_CFG_NO_PROB, "Functional" },
+        { IPR_PATH_CFG_DEGRADED, "Degraded" },
+        { IPR_PATH_CFG_FAILED, "Failed" },
+        { IPR_PATH_CFG_SUSPECT, "Suspect" },
+        { IPR_PATH_NOT_DETECTED, "Missing" },
+        { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" }
+};
+static const char *link_rate[] = {
+        "unknown",
+        "disabled",
+        "phy reset problem",
+        "spinup hold",
+        "port selector",
+        "unknown",
+        "unknown",
+        "unknown",
+        "1.5Gbps",
+        "3.0Gbps",
+        "unknown",
+        "unknown",
+        "unknown",
+        "unknown",
+        "unknown",
+        "unknown"
+};
+/**
+ * ipr_log_path_elem - Log a fabric path element.
+ * @hostrcb:    hostrcb struct
+ * @cfg:                fabric path element struct
+ *
+ * Return value:
+ *      none
+ **/
+static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb,
+                              struct ipr_hostrcb_config_element *cfg)
+{
+        int i, j;
+        u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK;
+        u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK;
+        if (type == IPR_PATH_CFG_NOT_EXIST)
+                return;
+        for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) {
+                if (path_type_desc[i].type != type)
+                        continue;
+                for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) {
+                        if (path_status_desc[j].status != status)
+                                continue;
+                        if (type == IPR_PATH_CFG_IOA_PORT) {
+                                ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n",
+                                             path_status_desc[j].desc, path_type_desc[i].desc,
+                                             cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+                                             be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+                        } else {
+                                if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) {
+                                        ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n",
+                                                     path_status_desc[j].desc, path_type_desc[i].desc,
+                                                     link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+                                                     be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+                                } else if (cfg->cascaded_expander == 0xff) {
+                                        ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, "
+                                                     "WWN=%08X%08X\n", path_status_desc[j].desc,
+                                                     path_type_desc[i].desc, cfg->phy,
+                                                     link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+                                                     be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+                                } else if (cfg->phy == 0xff) {
+                                        ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, "
+                                                     "WWN=%08X%08X\n", path_status_desc[j].desc,
+                                                     path_type_desc[i].desc, cfg->cascaded_expander,
+                                                     link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+                                                     be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+                                } else {
+                                        ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s "
+                                                     "WWN=%08X%08X\n", path_status_desc[j].desc,
+                                                     path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy,
+                                                     link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+                                                     be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+                                }
+                        }
+                        return;
+                }
+        }
+        ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s "
+                     "WWN=%08X%08X\n", cfg->type_status, cfg->cascaded_expander, cfg->phy,
+                     link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+                     be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+}
+/**
+ * ipr_log_fabric_error - Log a fabric error.
+ * @ioa_cfg:    ioa config struct
+ * @hostrcb:    hostrcb struct
+ *
+ * Return value:
+ *      none
+ **/
+static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg,
+                                 struct ipr_hostrcb *hostrcb)
+{
+        struct ipr_hostrcb_type_20_error *error;
+        struct ipr_hostrcb_fabric_desc *fabric;
+        struct ipr_hostrcb_config_element *cfg;
+        int i, add_len;
+        error = &hostrcb->hcam.u.error.u.type_20_error;
+        error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';
+        ipr_hcam_err(hostrcb, "%s\n", error->failure_reason);
+        add_len = be32_to_cpu(hostrcb->hcam.length) -
+                (offsetof(struct ipr_hostrcb_error, u) +
+                 offsetof(struct ipr_hostrcb_type_20_error, desc));
+        for (i = 0, fabric = error->desc; i < error->num_entries; i++) {
+                ipr_log_fabric_path(hostrcb, fabric);
+                for_each_fabric_cfg(fabric, cfg)
+                        ipr_log_path_elem(hostrcb, cfg);
+                add_len -= be16_to_cpu(fabric->length);
+                fabric = (struct ipr_hostrcb_fabric_desc *)
+                        ((unsigned long)fabric + be16_to_cpu(fabric->length));
+        }
+        ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len);
+}
 /**
 * ipr_log_generic_error - Log an adapter error.
 * @ioa_cfg:    ioa config struct
@@ -1332,7 +1549,7 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
 static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg,
                                  struct ipr_hostrcb *hostrcb)
 {
-        ipr_log_hex_data(hostrcb->hcam.u.raw.data,
+        ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data,
                         be32_to_cpu(hostrcb->hcam.length));
 }
@@ -1394,13 +1611,7 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg,
        if (!ipr_error_table[error_index].log_hcam)
                return;
-        if (ipr_is_device(&hostrcb->hcam.u.error.failing_dev_res_addr)) {
+        ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error);
-                ipr_ra_err(ioa_cfg, hostrcb->hcam.u.error.failing_dev_res_addr,
-                           "%s\n", ipr_error_table[error_index].error);
-        } else {
-                dev_err(&ioa_cfg->pdev->dev, "%s\n",
-                        ipr_error_table[error_index].error);
-        }
        /* Set indication we have logged an error */
        ioa_cfg->errors_logged++;
@@ -1437,6 +1648,9 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg,
        case IPR_HOST_RCB_OVERLAY_ID_17:
                ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb);
                break;
+        case IPR_HOST_RCB_OVERLAY_ID_20:
+                ipr_log_fabric_error(ioa_cfg, hostrcb);
+                break;
        case IPR_HOST_RCB_OVERLAY_ID_1:
        case IPR_HOST_RCB_OVERLAY_ID_DEFAULT:
        default:
@@ -2969,7 +3183,6 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg)
        struct ipr_dump *dump;
        unsigned long lock_flags = 0;
-        ENTER;
        dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL);
        if (!dump) {
@@ -2996,7 +3209,6 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg)
        }
        spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
-        LEAVE;
        return 0;
 }
@@ -3573,6 +3785,12 @@ static int ipr_sata_reset(struct ata_port *ap, unsigned int *classes)
        ENTER;
        spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+        while(ioa_cfg->in_reset_reload) {
+                spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+                wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
+                spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+        }
        res = sata_port->res;
        if (res) {
                rc = ipr_device_reset(ioa_cfg, res);
@@ -3636,6 +3854,10 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd)
                if (ipr_cmd->ioarcb.res_handle == res->cfgte.res_handle) {
                        if (ipr_cmd->scsi_cmd)
                                ipr_cmd->done = ipr_scsi_eh_done;
+                        if (ipr_cmd->qc && !(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) {
+                                ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT;
+                                ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED;
+                        }
                }
        }
@@ -3770,7 +3992,7 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd)
         */
        if (ioa_cfg->in_reset_reload || ioa_cfg->ioa_is_dead)
                return FAILED;
-        if (!res || (!ipr_is_gscsi(res) && !ipr_is_vset_device(res)))
+        if (!res || !ipr_is_gscsi(res))
                return FAILED;
        list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) {
@@ -4615,7 +4837,7 @@ static int ipr_queuecommand(struct scsi_cmnd *scsi_cmd,
 * Return value:
 *      0 on success / other on failure
 **/
-int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
+static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 {
        struct ipr_resource_entry *res;
@@ -4648,40 +4870,6 @@ static const char * ipr_ioa_info(struct Scsi_Host *host)
        return buffer;
 }
-/**
- * ipr_scsi_timed_out - Handle scsi command timeout
- * @scsi_cmd:   scsi command struct
- *
- * Return value:
- *      EH_NOT_HANDLED
- **/
-enum scsi_eh_timer_return ipr_scsi_timed_out(struct scsi_cmnd *scsi_cmd)
-{
-        struct ipr_ioa_cfg *ioa_cfg;
-        struct ipr_cmnd *ipr_cmd;
-        unsigned long flags;
-        ENTER;
-        spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags);
-        ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata;
-        list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) {
-                if (ipr_cmd->qc && ipr_cmd->qc->scsicmd == scsi_cmd) {
-                        ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT;
-                        ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED;
-                        break;
-                }
-        }
-        spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags);
-        LEAVE;
-        return EH_NOT_HANDLED;
-}
-static struct scsi_transport_template ipr_transport_template = {
-        .eh_timed_out = ipr_scsi_timed_out
-};
 static struct scsi_host_template driver_template = {
        .module = THIS_MODULE,
        .name = "IPR",
@@ -4776,6 +4964,12 @@ static void ipr_ata_post_internal(struct ata_queued_cmd *qc)
        unsigned long flags;
        spin_lock_irqsave(ioa_cfg->host->host_lock, flags);
+        while(ioa_cfg->in_reset_reload) {
+                spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags);
+                wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
+                spin_lock_irqsave(ioa_cfg->host->host_lock, flags);
+        }
        list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) {
                if (ipr_cmd->qc == qc) {
                        ipr_device_reset(ioa_cfg, sata_port->res);
@@ -6832,6 +7026,7 @@ static int __devinit ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg)
                ioa_cfg->hostrcb[i]->hostrcb_dma =
                        ioa_cfg->hostrcb_dma[i] + offsetof(struct ipr_hostrcb, hcam);
+                ioa_cfg->hostrcb[i]->ioa_cfg = ioa_cfg;
                list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q);
        }
@@ -7017,7 +7212,6 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
        ioa_cfg = (struct ipr_ioa_cfg *)host->hostdata;
        memset(ioa_cfg, 0, sizeof(struct ipr_ioa_cfg));
-        host->transportt = &ipr_transport_template;
        ata_host_init(&ioa_cfg->ata_host, &pdev->dev,
                      sata_port_info.flags, &ipr_sata_ops);
@@ -7351,12 +7545,24 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = {
        { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN,
              PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B,
              0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+        { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN,
+              PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C,
+              0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
        { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
              PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A,
              0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
        { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
              PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B,
              0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+        { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
+              PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C,
+              0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+        { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
+              PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B8,
+              0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+        { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E,
+              PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7,
+              0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
        { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE,
                PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780,
                0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] },
@@ -7366,6 +7572,9 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = {
        { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
                PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F,
                0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] },
+        { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
+                PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F,
+                0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] },
        { }
 };
 MODULE_DEVICE_TABLE(pci, ipr_pci_table);
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 6d035283af08..9f62a1d4d511 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -37,8 +37,8 @@
 /*
 * Literals
 */
-#define IPR_DRIVER_VERSION "2.2.0"
+#define IPR_DRIVER_VERSION "2.3.0"
-#define IPR_DRIVER_DATE "(September 25, 2006)"
+#define IPR_DRIVER_DATE "(November 8, 2006)"
 /*
 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
@@ -54,6 +54,8 @@
 */
 #define IPR_NUM_BASE_CMD_BLKS                           100
+#define PCI_DEVICE_ID_IBM_OBSIDIAN_E    0x0339
 #define IPR_SUBS_DEV_ID_2780    0x0264
 #define IPR_SUBS_DEV_ID_5702    0x0266
 #define IPR_SUBS_DEV_ID_5703    0x0278
@@ -66,7 +68,11 @@
 #define IPR_SUBS_DEV_ID_571F    0x02D5
 #define IPR_SUBS_DEV_ID_572A    0x02C1
 #define IPR_SUBS_DEV_ID_572B    0x02C2
+#define IPR_SUBS_DEV_ID_572F    0x02C3
 #define IPR_SUBS_DEV_ID_575B    0x030D
+#define IPR_SUBS_DEV_ID_575C    0x0338
+#define IPR_SUBS_DEV_ID_57B7    0x0360
+#define IPR_SUBS_DEV_ID_57B8    0x02C2
 #define IPR_NAME                                "ipr"
@@ -98,6 +104,7 @@
 #define IPR_IOASC_IOA_WAS_RESET                 0x10000001
 #define IPR_IOASC_PCI_ACCESS_ERROR                      0x10000002
+#define IPR_DEFAULT_MAX_ERROR_DUMP                      984
 #define IPR_NUM_LOG_HCAMS                               2
 #define IPR_NUM_CFG_CHG_HCAMS                           2
 #define IPR_NUM_HCAMS   (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
@@ -731,6 +738,64 @@ struct ipr_hostrcb_type_17_error {
        u32 data[476];
 }__attribute__((packed, aligned (4)));
+struct ipr_hostrcb_config_element {
+        u8 type_status;
+#define IPR_PATH_CFG_TYPE_MASK  0xF0
+#define IPR_PATH_CFG_NOT_EXIST  0x00
+#define IPR_PATH_CFG_IOA_PORT           0x10
+#define IPR_PATH_CFG_EXP_PORT           0x20
+#define IPR_PATH_CFG_DEVICE_PORT        0x30
+#define IPR_PATH_CFG_DEVICE_LUN 0x40
+#define IPR_PATH_CFG_STATUS_MASK        0x0F
+#define IPR_PATH_CFG_NO_PROB            0x00
+#define IPR_PATH_CFG_DEGRADED           0x01
+#define IPR_PATH_CFG_FAILED             0x02
+#define IPR_PATH_CFG_SUSPECT            0x03
+#define IPR_PATH_NOT_DETECTED           0x04
+#define IPR_PATH_INCORRECT_CONN 0x05
+        u8 cascaded_expander;
+        u8 phy;
+        u8 link_rate;
+#define IPR_PHY_LINK_RATE_MASK  0x0F
+        __be32 wwid[2];
+}__attribute__((packed, aligned (4)));
+struct ipr_hostrcb_fabric_desc {
+        __be16 length;
+        u8 ioa_port;
+        u8 cascaded_expander;
+        u8 phy;
+        u8 path_state;
+#define IPR_PATH_ACTIVE_MASK            0xC0
+#define IPR_PATH_NO_INFO                0x00
+#define IPR_PATH_ACTIVE                 0x40
+#define IPR_PATH_NOT_ACTIVE             0x80
+#define IPR_PATH_STATE_MASK             0x0F
+#define IPR_PATH_STATE_NO_INFO  0x00
+#define IPR_PATH_HEALTHY                0x01
+#define IPR_PATH_DEGRADED               0x02
+#define IPR_PATH_FAILED                 0x03
+        __be16 num_entries;
+        struct ipr_hostrcb_config_element elem[1];
+}__attribute__((packed, aligned (4)));
+#define for_each_fabric_cfg(fabric, cfg) \
+                for (cfg = (fabric)->elem; \
+                        cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
+                        cfg++)
+struct ipr_hostrcb_type_20_error {
+        u8 failure_reason[64];
+        u8 reserved[3];
+        u8 num_entries;
+        struct ipr_hostrcb_fabric_desc desc[1];
+}__attribute__((packed, aligned (4)));
 struct ipr_hostrcb_error {
        __be32 failing_dev_ioasc;
        struct ipr_res_addr failing_dev_res_addr;
@@ -747,6 +812,7 @@ struct ipr_hostrcb_error {
                struct ipr_hostrcb_type_13_error type_13_error;
                struct ipr_hostrcb_type_14_error type_14_error;
                struct ipr_hostrcb_type_17_error type_17_error;
+                struct ipr_hostrcb_type_20_error type_20_error;
        } u;
 }__attribute__((packed, aligned (4)));
@@ -786,6 +852,7 @@ struct ipr_hcam {
 #define IPR_HOST_RCB_OVERLAY_ID_14                              0x14
 #define IPR_HOST_RCB_OVERLAY_ID_16                              0x16
 #define IPR_HOST_RCB_OVERLAY_ID_17                              0x17
+#define IPR_HOST_RCB_OVERLAY_ID_20                              0x20
 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT                 0xFF
        u8 reserved1[3];
@@ -805,6 +872,7 @@ struct ipr_hostrcb {
        struct ipr_hcam hcam;
        dma_addr_t hostrcb_dma;
        struct list_head queue;
+        struct ipr_ioa_cfg *ioa_cfg;
 };
 /* IPR smart dump table structures */
@@ -1283,6 +1351,17 @@ struct ipr_ucode_image_header {
        }                                                               \
 }
+#define ipr_hcam_err(hostrcb, fmt, ...)                                 \
+{                                                                                                       \
+        if (ipr_is_device(&(hostrcb)->hcam.u.error.failing_dev_res_addr)) {             \
+                ipr_ra_err((hostrcb)->ioa_cfg,                                                  \
+                                (hostrcb)->hcam.u.error.failing_dev_res_addr,                   \
+                                fmt, ##__VA_ARGS__);                                                    \
+        } else {                                                                                        \
+                dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, ##__VA_ARGS__);            \
+        }                                                                                               \
+}
 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
        __FILE__, __FUNCTION__, __LINE__)
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index f06a06ae6092..8b704f73055a 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -5001,7 +5001,7 @@ ips_init_copperhead(ips_ha_t * ha)
                                break;
                        /* Delay for 1 Second */
-                        msleep(IPS_ONE_SEC);
+                        MDELAY(IPS_ONE_SEC);
                }
                if (j >= 45)
@@ -5027,7 +5027,7 @@ ips_init_copperhead(ips_ha_t * ha)
                                break;
                        /* Delay for 1 Second */
-                        msleep(IPS_ONE_SEC);
+                        MDELAY(IPS_ONE_SEC);
                }
                if (j >= 240)
@@ -5045,7 +5045,7 @@ ips_init_copperhead(ips_ha_t * ha)
                        break;
                /* Delay for 1 Second */
-                msleep(IPS_ONE_SEC);
+                MDELAY(IPS_ONE_SEC);
        }
        if (i >= 240)
@@ -5095,7 +5095,7 @@ ips_init_copperhead_memio(ips_ha_t * ha)
                                break;
                        /* Delay for 1 Second */
-                        msleep(IPS_ONE_SEC);
+                        MDELAY(IPS_ONE_SEC);
                }
                if (j >= 45)
@@ -5121,7 +5121,7 @@ ips_init_copperhead_memio(ips_ha_t * ha)
                                break;
                        /* Delay for 1 Second */
-                        msleep(IPS_ONE_SEC);
+                        MDELAY(IPS_ONE_SEC);
                }
                if (j >= 240)
@@ -5139,7 +5139,7 @@ ips_init_copperhead_memio(ips_ha_t * ha)
                        break;
                /* Delay for 1 Second */
-                msleep(IPS_ONE_SEC);
+                MDELAY(IPS_ONE_SEC);
        }
        if (i >= 240)
@@ -5191,7 +5191,7 @@ ips_init_morpheus(ips_ha_t * ha)
                        break;
                /* Delay for 1 Second */
-                msleep(IPS_ONE_SEC);
+                MDELAY(IPS_ONE_SEC);
        }
        if (i >= 45) {
@@ -5217,7 +5217,7 @@ ips_init_morpheus(ips_ha_t * ha)
                        if (Post != 0x4F00)
                                break;
                        /* Delay for 1 Second */
-                        msleep(IPS_ONE_SEC);
+                        MDELAY(IPS_ONE_SEC);
                }
                if (i >= 120) {
@@ -5247,7 +5247,7 @@ ips_init_morpheus(ips_ha_t * ha)
                        break;
                /* Delay for 1 Second */
-                msleep(IPS_ONE_SEC);
+                MDELAY(IPS_ONE_SEC);
        }
        if (i >= 240) {
@@ -5307,12 +5307,12 @@ ips_reset_copperhead(ips_ha_t * ha)
                outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
                /* Delay for 1 Second */
-                msleep(IPS_ONE_SEC);
+                MDELAY(IPS_ONE_SEC);
                outb(0, ha->io_addr + IPS_REG_SCPR);
                /* Delay for 1 Second */
-                msleep(IPS_ONE_SEC);
+                MDELAY(IPS_ONE_SEC);
                if ((*ha->func.init) (ha))
                        break;
@@ -5352,12 +5352,12 @@ ips_reset_copperhead_memio(ips_ha_t * ha)
                writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
                /* Delay for 1 Second */
-                msleep(IPS_ONE_SEC);
+                MDELAY(IPS_ONE_SEC);
                writeb(0, ha->mem_ptr + IPS_REG_SCPR);
                /* Delay for 1 Second */
-                msleep(IPS_ONE_SEC);
+                MDELAY(IPS_ONE_SEC);
                if ((*ha->func.init) (ha))
                        break;
@@ -5398,7 +5398,7 @@ ips_reset_morpheus(ips_ha_t * ha)
                writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
                /* Delay for 5 Seconds */
-                msleep(5 * IPS_ONE_SEC);
+                MDELAY(5 * IPS_ONE_SEC);
                /* Do a PCI config read to wait for adapter */
                pci_read_config_byte(ha->pcidev, 4, &junk);
diff --git a/drivers/scsi/ips.h b/drivers/scsi/ips.h
index 34680f3dd452..b726dcc424b1 100644
--- a/drivers/scsi/ips.h
+++ b/drivers/scsi/ips.h
@@ -51,6 +51,7 @@
   #define _IPS_H_
 #include <linux/version.h>
+#include <linux/nmi.h>
   #include <asm/uaccess.h>
   #include <asm/io.h>
@@ -116,9 +117,11 @@
            dev_printk(level , &((pcidev)->dev) , format , ## arg)
   #endif
-   #ifndef MDELAY
+   #define MDELAY(n)                    \
-      #define MDELAY mdelay
+        do {                            \
-   #endif
+                mdelay(n);              \
+                touch_nmi_watchdog();   \
+        } while (0)
   #ifndef min
      #define min(x,y) ((x) < (y) ? x : y)
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index e34a93435497..d31e6fa466f7 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -597,10 +597,15 @@ static struct domain_device *sas_ex_discover_end_dev(
        child->iproto = phy->attached_iproto;
        memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE);
        sas_hash_addr(child->hashed_sas_addr, child->sas_addr);
-        phy->port = sas_port_alloc(&parent->rphy->dev, phy_id);
+        if (!phy->port) {
-        BUG_ON(!phy->port);
+                phy->port = sas_port_alloc(&parent->rphy->dev, phy_id);
-        /* FIXME: better error handling*/
+                if (unlikely(!phy->port))
-        BUG_ON(sas_port_add(phy->port) != 0);
+                        goto out_err;
+                if (unlikely(sas_port_add(phy->port) != 0)) {
+                        sas_port_free(phy->port);
+                        goto out_err;
+                }
+        }
        sas_ex_get_linkrate(parent, child, phy);
        if ((phy->attached_tproto & SAS_PROTO_STP) || phy->attached_sata_dev) {
@@ -615,8 +620,7 @@ static struct domain_device *sas_ex_discover_end_dev(
                        SAS_DPRINTK("report phy sata to %016llx:0x%x returned "
                                    "0x%x\n", SAS_ADDR(parent->sas_addr),
                                    phy_id, res);
-                        kfree(child);
+                        goto out_free;
-                        return NULL;
                }
                memcpy(child->frame_rcvd, &child->sata_dev.rps_resp.rps.fis,
                       sizeof(struct dev_to_host_fis));
@@ -627,14 +631,14 @@ static struct domain_device *sas_ex_discover_end_dev(
                                    "%016llx:0x%x returned 0x%x\n",
                                    SAS_ADDR(child->sas_addr),
                                    SAS_ADDR(parent->sas_addr), phy_id, res);
-                        kfree(child);
+                        goto out_free;
-                        return NULL;
                }
        } else if (phy->attached_tproto & SAS_PROTO_SSP) {
                child->dev_type = SAS_END_DEV;
                rphy = sas_end_device_alloc(phy->port);
                /* FIXME: error handling */
-                BUG_ON(!rphy);
+                if (unlikely(!rphy))
+                        goto out_free;
                child->tproto = phy->attached_tproto;
                sas_init_dev(child);
@@ -651,9 +655,7 @@ static struct domain_device *sas_ex_discover_end_dev(
                                    "at %016llx:0x%x returned 0x%x\n",
                                    SAS_ADDR(child->sas_addr),
                                    SAS_ADDR(parent->sas_addr), phy_id, res);
-                        /* FIXME: this kfrees list elements without removing them */
+                        goto out_list_del;
-                        //kfree(child);
-                        return NULL;
                }
        } else {
                SAS_DPRINTK("target proto 0x%x at %016llx:0x%x not handled\n",
@@ -663,6 +665,16 @@ static struct domain_device *sas_ex_discover_end_dev(
        list_add_tail(&child->siblings, &parent_ex->children);
        return child;
+ out_list_del:
+        list_del(&child->dev_list_node);
+        sas_rphy_free(rphy);
+ out_free:
+        sas_port_delete(phy->port);
+ out_err:
+        phy->port = NULL;
+        kfree(child);
+        return NULL;
 }
 static struct domain_device *sas_ex_discover_expander(
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
index c836a237fb79..0fb347b4b1a2 100644
--- a/drivers/scsi/libsas/sas_init.c
+++ b/drivers/scsi/libsas/sas_init.c
@@ -112,6 +112,8 @@ int sas_register_ha(struct sas_ha_struct *sas_ha)
                }
        }
+        INIT_LIST_HEAD(&sas_ha->eh_done_q);
        return 0;
 Undo_ports:
@@ -142,7 +144,7 @@ static int sas_get_linkerrors(struct sas_phy *phy)
        return sas_smp_get_phy_events(phy);
 }
-static int sas_phy_reset(struct sas_phy *phy, int hard_reset)
+int sas_phy_reset(struct sas_phy *phy, int hard_reset)
 {
        int ret;
        enum phy_func reset_type;
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index e46e79355b77..e064aac06b90 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -29,9 +29,11 @@
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsi.h>
+#include <scsi/scsi_eh.h>
 #include <scsi/scsi_transport.h>
 #include <scsi/scsi_transport_sas.h>
 #include "../scsi_sas_internal.h"
+#include "../scsi_transport_api.h"
 #include <linux/err.h>
 #include <linux/blkdev.h>
@@ -46,6 +48,7 @@ static void sas_scsi_task_done(struct sas_task *task)
 {
        struct task_status_struct *ts = &task->task_status;
        struct scsi_cmnd *sc = task->uldd_task;
+        struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(sc->device->host);
        unsigned ts_flags = task->task_state_flags;
        int hs = 0, stat = 0;
@@ -116,7 +119,7 @@ static void sas_scsi_task_done(struct sas_task *task)
        sas_free_task(task);
        /* This is very ugly but this is how SCSI Core works. */
        if (ts_flags & SAS_TASK_STATE_ABORTED)
-                scsi_finish_command(sc);
+                scsi_eh_finish_cmd(sc, &sas_ha->eh_done_q);
        else
                sc->scsi_done(sc);
 }
@@ -307,6 +310,15 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task)
                spin_unlock_irqrestore(&core->task_queue_lock, flags);
        }
+        spin_lock_irqsave(&task->task_state_lock, flags);
+        if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) {
+                spin_unlock_irqrestore(&task->task_state_lock, flags);
+                SAS_DPRINTK("%s: task 0x%p already aborted\n",
+                            __FUNCTION__, task);
+                return TASK_IS_ABORTED;
+        }
+        spin_unlock_irqrestore(&task->task_state_lock, flags);
        for (i = 0; i < 5; i++) {
                SAS_DPRINTK("%s: aborting task 0x%p\n", __FUNCTION__, task);
                res = si->dft->lldd_abort_task(task);
@@ -409,13 +421,16 @@ Again:
        SAS_DPRINTK("going over list...\n");
        list_for_each_entry_safe(cmd, n, &error_q, eh_entry) {
                struct sas_task *task = TO_SAS_TASK(cmd);
+                list_del_init(&cmd->eh_entry);
+                if (!task) {
+                        SAS_DPRINTK("%s: taskless cmd?!\n", __FUNCTION__);
+                        continue;
+                }
                SAS_DPRINTK("trying to find task 0x%p\n", task);
-                list_del_init(&cmd->eh_entry);
                res = sas_scsi_find_task(task);
                cmd->eh_eflags = 0;
-                shost->host_failed--;
                switch (res) {
                case TASK_IS_DONE:
@@ -491,6 +506,7 @@ Again:
                }
        }
 out:
+        scsi_eh_flush_done_q(&ha->eh_done_q);
        SAS_DPRINTK("--- Exit %s\n", __FUNCTION__);
        return;
 clear_q:
@@ -508,12 +524,18 @@ enum scsi_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd)
        unsigned long flags;
        if (!task) {
-                SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n",
+                SAS_DPRINTK("command 0x%p, task 0x%p, gone: EH_HANDLED\n",
                            cmd, task);
                return EH_HANDLED;
        }
        spin_lock_irqsave(&task->task_state_lock, flags);
+        if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) {
+                spin_unlock_irqrestore(&task->task_state_lock, flags);
+                SAS_DPRINTK("command 0x%p, task 0x%p, aborted by initiator: "
+                            "EH_NOT_HANDLED\n", cmd, task);
+                return EH_NOT_HANDLED;
+        }
        if (task->task_state_flags & SAS_TASK_STATE_DONE) {
                spin_unlock_irqrestore(&task->task_state_lock, flags);
                SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n",
@@ -777,6 +799,64 @@ void sas_shutdown_queue(struct sas_ha_struct *sas_ha)
        spin_unlock_irqrestore(&core->task_queue_lock, flags);
 }
+static int do_sas_task_abort(struct sas_task *task)
+{
+        struct scsi_cmnd *sc = task->uldd_task;
+        struct sas_internal *si =
+                to_sas_internal(task->dev->port->ha->core.shost->transportt);
+        unsigned long flags;
+        int res;
+        spin_lock_irqsave(&task->task_state_lock, flags);
+        if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
+                spin_unlock_irqrestore(&task->task_state_lock, flags);
+                SAS_DPRINTK("%s: Task %p already aborted.\n", __FUNCTION__,
+                            task);
+                return 0;
+        }
+        task->task_state_flags |= SAS_TASK_INITIATOR_ABORTED;
+        if (!(task->task_state_flags & SAS_TASK_STATE_DONE))
+                task->task_state_flags |= SAS_TASK_STATE_ABORTED;
+        spin_unlock_irqrestore(&task->task_state_lock, flags);
+        if (!si->dft->lldd_abort_task)
+                return -ENODEV;
+        res = si->dft->lldd_abort_task(task);
+        if ((task->task_state_flags & SAS_TASK_STATE_DONE) ||
+            (res == TMF_RESP_FUNC_COMPLETE))
+        {
+                /* SMP commands don't have scsi_cmds(?) */
+                if (!sc) {
+                        task->task_done(task);
+                        return 0;
+                }
+                scsi_req_abort_cmd(sc);
+                scsi_schedule_eh(sc->device->host);
+                return 0;
+        }
+        spin_lock_irqsave(&task->task_state_lock, flags);
+        task->task_state_flags &= ~SAS_TASK_INITIATOR_ABORTED;
+        if (!(task->task_state_flags & SAS_TASK_STATE_DONE))
+                task->task_state_flags &= ~SAS_TASK_STATE_ABORTED;
+        spin_unlock_irqrestore(&task->task_state_lock, flags);
+        return -EAGAIN;
+}
+void sas_task_abort(struct sas_task *task)
+{
+        int i;
+        for (i = 0; i < 5; i++)
+                if (!do_sas_task_abort(task))
+                        return;
+        SAS_DPRINTK("%s: Could not kill task!\n", __FUNCTION__);
+}
 EXPORT_SYMBOL_GPL(sas_queuecommand);
 EXPORT_SYMBOL_GPL(sas_target_alloc);
 EXPORT_SYMBOL_GPL(sas_slave_configure);
@@ -784,3 +864,5 @@ EXPORT_SYMBOL_GPL(sas_slave_destroy);
 EXPORT_SYMBOL_GPL(sas_change_queue_depth);
 EXPORT_SYMBOL_GPL(sas_change_queue_type);
 EXPORT_SYMBOL_GPL(sas_bios_param);
+EXPORT_SYMBOL_GPL(sas_task_abort);
+EXPORT_SYMBOL_GPL(sas_phy_reset);
diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c
new file mode 100644
index 000000000000..89403b00e042
--- /dev/null
+++ b/drivers/scsi/libsrp.c
@@ -0,0 +1,441 @@
+/*
+ * SCSI RDAM Protocol lib functions
+ *
+ * Copyright (C) 2006 FUJITA Tomonori <tomof@acm.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#include <linux/err.h>
+#include <linux/kfifo.h>
+#include <linux/scatterlist.h>
+#include <linux/dma-mapping.h>
+#include <linux/pci.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_tgt.h>
+#include <scsi/srp.h>
+#include <scsi/libsrp.h>
+enum srp_task_attributes {
+        SRP_SIMPLE_TASK = 0,
+        SRP_HEAD_TASK = 1,
+        SRP_ORDERED_TASK = 2,
+        SRP_ACA_TASK = 4
+};
+/* tmp - will replace with SCSI logging stuff */
+#define eprintk(fmt, args...)                                   \
+do {                                                            \
+        printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args);  \
+} while (0)
+/* #define dprintk eprintk */
+#define dprintk(fmt, args...)
+static int srp_iu_pool_alloc(struct srp_queue *q, size_t max,
+                             struct srp_buf **ring)
+{
+        int i;
+        struct iu_entry *iue;
+        q->pool = kcalloc(max, sizeof(struct iu_entry *), GFP_KERNEL);
+        if (!q->pool)
+                return -ENOMEM;
+        q->items = kcalloc(max, sizeof(struct iu_entry), GFP_KERNEL);
+        if (!q->items)
+                goto free_pool;
+        spin_lock_init(&q->lock);
+        q->queue = kfifo_init((void *) q->pool, max * sizeof(void *),
+                              GFP_KERNEL, &q->lock);
+        if (IS_ERR(q->queue))
+                goto free_item;
+        for (i = 0, iue = q->items; i < max; i++) {
+                __kfifo_put(q->queue, (void *) &iue, sizeof(void *));
+                iue->sbuf = ring[i];
+                iue++;
+        }
+        return 0;
+free_item:
+        kfree(q->items);
+free_pool:
+        kfree(q->pool);
+        return -ENOMEM;
+}
+static void srp_iu_pool_free(struct srp_queue *q)
+{
+        kfree(q->items);
+        kfree(q->pool);
+}
+static struct srp_buf **srp_ring_alloc(struct device *dev,
+                                       size_t max, size_t size)
+{
+        int i;
+        struct srp_buf **ring;
+        ring = kcalloc(max, sizeof(struct srp_buf *), GFP_KERNEL);
+        if (!ring)
+                return NULL;
+        for (i = 0; i < max; i++) {
+                ring[i] = kzalloc(sizeof(struct srp_buf), GFP_KERNEL);
+                if (!ring[i])
+                        goto out;
+                ring[i]->buf = dma_alloc_coherent(dev, size, &ring[i]->dma,
+                                                  GFP_KERNEL);
+                if (!ring[i]->buf)
+                        goto out;
+        }
+        return ring;
+out:
+        for (i = 0; i < max && ring[i]; i++) {
+                if (ring[i]->buf)
+                        dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma);
+                kfree(ring[i]);
+        }
+        kfree(ring);
+        return NULL;
+}
+static void srp_ring_free(struct device *dev, struct srp_buf **ring, size_t max,
+                          size_t size)
+{
+        int i;
+        for (i = 0; i < max; i++) {
+                dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma);
+                kfree(ring[i]);
+        }
+}
+int srp_target_alloc(struct srp_target *target, struct device *dev,
+                     size_t nr, size_t iu_size)
+{
+        int err;
+        spin_lock_init(&target->lock);
+        INIT_LIST_HEAD(&target->cmd_queue);
+        target->dev = dev;
+        target->dev->driver_data = target;
+        target->srp_iu_size = iu_size;
+        target->rx_ring_size = nr;
+        target->rx_ring = srp_ring_alloc(target->dev, nr, iu_size);
+        if (!target->rx_ring)
+                return -ENOMEM;
+        err = srp_iu_pool_alloc(&target->iu_queue, nr, target->rx_ring);
+        if (err)
+                goto free_ring;
+        return 0;
+free_ring:
+        srp_ring_free(target->dev, target->rx_ring, nr, iu_size);
+        return -ENOMEM;
+}
+EXPORT_SYMBOL_GPL(srp_target_alloc);
+void srp_target_free(struct srp_target *target)
+{
+        srp_ring_free(target->dev, target->rx_ring, target->rx_ring_size,
+                      target->srp_iu_size);
+        srp_iu_pool_free(&target->iu_queue);
+}
+EXPORT_SYMBOL_GPL(srp_target_free);
+struct iu_entry *srp_iu_get(struct srp_target *target)
+{
+        struct iu_entry *iue = NULL;
+        kfifo_get(target->iu_queue.queue, (void *) &iue, sizeof(void *));
+        if (!iue)
+                return iue;
+        iue->target = target;
+        INIT_LIST_HEAD(&iue->ilist);
+        iue->flags = 0;
+        return iue;
+}
+EXPORT_SYMBOL_GPL(srp_iu_get);
+void srp_iu_put(struct iu_entry *iue)
+{
+        kfifo_put(iue->target->iu_queue.queue, (void *) &iue, sizeof(void *));
+}
+EXPORT_SYMBOL_GPL(srp_iu_put);
+static int srp_direct_data(struct scsi_cmnd *sc, struct srp_direct_buf *md,
+                           enum dma_data_direction dir, srp_rdma_t rdma_io,
+                           int dma_map, int ext_desc)
+{
+        struct iu_entry *iue = NULL;
+        struct scatterlist *sg = NULL;
+        int err, nsg = 0, len;
+        if (dma_map) {
+                iue = (struct iu_entry *) sc->SCp.ptr;
+                sg = sc->request_buffer;
+                dprintk("%p %u %u %d\n", iue, sc->request_bufflen,
+                        md->len, sc->use_sg);
+                nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg,
+                                 DMA_BIDIRECTIONAL);
+                if (!nsg) {
+                        printk("fail to map %p %d\n", iue, sc->use_sg);
+                        return 0;
+                }
+                len = min(sc->request_bufflen, md->len);
+        } else
+                len = md->len;
+        err = rdma_io(sc, sg, nsg, md, 1, dir, len);
+        if (dma_map)
+                dma_unmap_sg(iue->target->dev, sg, nsg, DMA_BIDIRECTIONAL);
+        return err;
+}
+static int srp_indirect_data(struct scsi_cmnd *sc, struct srp_cmd *cmd,
+                             struct srp_indirect_buf *id,
+                             enum dma_data_direction dir, srp_rdma_t rdma_io,
+                             int dma_map, int ext_desc)
+{
+        struct iu_entry *iue = NULL;
+        struct srp_direct_buf *md = NULL;
+        struct scatterlist dummy, *sg = NULL;
+        dma_addr_t token = 0;
+        long err;
+        unsigned int done = 0;
+        int nmd, nsg = 0, len;
+        if (dma_map || ext_desc) {
+                iue = (struct iu_entry *) sc->SCp.ptr;
+                sg = sc->request_buffer;
+                dprintk("%p %u %u %d %d\n",
+                        iue, sc->request_bufflen, id->len,
+                        cmd->data_in_desc_cnt, cmd->data_out_desc_cnt);
+        }
+        nmd = id->table_desc.len / sizeof(struct srp_direct_buf);
+        if ((dir == DMA_FROM_DEVICE && nmd == cmd->data_in_desc_cnt) ||
+            (dir == DMA_TO_DEVICE && nmd == cmd->data_out_desc_cnt)) {
+                md = &id->desc_list[0];
+                goto rdma;
+        }
+        if (ext_desc && dma_map) {
+                md = dma_alloc_coherent(iue->target->dev, id->table_desc.len,
+                                &token, GFP_KERNEL);
+                if (!md) {
+                        eprintk("Can't get dma memory %u\n", id->table_desc.len);
+                        return -ENOMEM;
+                }
+                sg_init_one(&dummy, md, id->table_desc.len);
+                sg_dma_address(&dummy) = token;
+                err = rdma_io(sc, &dummy, 1, &id->table_desc, 1, DMA_TO_DEVICE,
+                              id->table_desc.len);
+                if (err < 0) {
+                        eprintk("Error copying indirect table %ld\n", err);
+                        goto free_mem;
+                }
+        } else {
+                eprintk("This command uses external indirect buffer\n");
+                return -EINVAL;
+        }
+rdma:
+        if (dma_map) {
+                nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg, DMA_BIDIRECTIONAL);
+                if (!nsg) {
+                        eprintk("fail to map %p %d\n", iue, sc->use_sg);
+                        goto free_mem;
+                }
+                len = min(sc->request_bufflen, id->len);
+        } else
+                len = id->len;
+        err = rdma_io(sc, sg, nsg, md, nmd, dir, len);
+        if (dma_map)
+                dma_unmap_sg(iue->target->dev, sg, nsg, DMA_BIDIRECTIONAL);
+free_mem:
+        if (token && dma_map)
+                dma_free_coherent(iue->target->dev, id->table_desc.len, md, token);
+        return done;
+}
+static int data_out_desc_size(struct srp_cmd *cmd)
+{
+        int size = 0;
+        u8 fmt = cmd->buf_fmt >> 4;
+        switch (fmt) {
+        case SRP_NO_DATA_DESC:
+                break;
+        case SRP_DATA_DESC_DIRECT:
+                size = sizeof(struct srp_direct_buf);
+                break;
+        case SRP_DATA_DESC_INDIRECT:
+                size = sizeof(struct srp_indirect_buf) +
+                        sizeof(struct srp_direct_buf) * cmd->data_out_desc_cnt;
+                break;
+        default:
+                eprintk("client error. Invalid data_out_format %x\n", fmt);
+                break;
+        }
+        return size;
+}
+/*
+ * TODO: this can be called multiple times for a single command if it
+ * has very long data.
+ */
+int srp_transfer_data(struct scsi_cmnd *sc, struct srp_cmd *cmd,
+                      srp_rdma_t rdma_io, int dma_map, int ext_desc)
+{
+        struct srp_direct_buf *md;
+        struct srp_indirect_buf *id;
+        enum dma_data_direction dir;
+        int offset, err = 0;
+        u8 format;
+        offset = cmd->add_cdb_len * 4;
+        dir = srp_cmd_direction(cmd);
+        if (dir == DMA_FROM_DEVICE)
+                offset += data_out_desc_size(cmd);
+        if (dir == DMA_TO_DEVICE)
+                format = cmd->buf_fmt >> 4;
+        else
+                format = cmd->buf_fmt & ((1U << 4) - 1);
+        switch (format) {
+        case SRP_NO_DATA_DESC:
+                break;
+        case SRP_DATA_DESC_DIRECT:
+                md = (struct srp_direct_buf *)
+                        (cmd->add_data + offset);
+                err = srp_direct_data(sc, md, dir, rdma_io, dma_map, ext_desc);
+                break;
+        case SRP_DATA_DESC_INDIRECT:
+                id = (struct srp_indirect_buf *)
+                        (cmd->add_data + offset);
+                err = srp_indirect_data(sc, cmd, id, dir, rdma_io, dma_map,
+                                        ext_desc);
+                break;
+        default:
+                eprintk("Unknown format %d %x\n", dir, format);
+                break;
+        }
+        return err;
+}
+EXPORT_SYMBOL_GPL(srp_transfer_data);
+static int vscsis_data_length(struct srp_cmd *cmd, enum dma_data_direction dir)
+{
+        struct srp_direct_buf *md;
+        struct srp_indirect_buf *id;
+        int len = 0, offset = cmd->add_cdb_len * 4;
+        u8 fmt;
+        if (dir == DMA_TO_DEVICE)
+                fmt = cmd->buf_fmt >> 4;
+        else {
+                fmt = cmd->buf_fmt & ((1U << 4) - 1);
+                offset += data_out_desc_size(cmd);
+        }
+        switch (fmt) {
+        case SRP_NO_DATA_DESC:
+                break;
+        case SRP_DATA_DESC_DIRECT:
+                md = (struct srp_direct_buf *) (cmd->add_data + offset);
+                len = md->len;
+                break;
+        case SRP_DATA_DESC_INDIRECT:
+                id = (struct srp_indirect_buf *) (cmd->add_data + offset);
+                len = id->len;
+                break;
+        default:
+                eprintk("invalid data format %x\n", fmt);
+                break;
+        }
+        return len;
+}
+int srp_cmd_queue(struct Scsi_Host *shost, struct srp_cmd *cmd, void *info,
+                  u64 addr)
+{
+        enum dma_data_direction dir;
+        struct scsi_cmnd *sc;
+        int tag, len, err;
+        switch (cmd->task_attr) {
+        case SRP_SIMPLE_TASK:
+                tag = MSG_SIMPLE_TAG;
+                break;
+        case SRP_ORDERED_TASK:
+                tag = MSG_ORDERED_TAG;
+                break;
+        case SRP_HEAD_TASK:
+                tag = MSG_HEAD_TAG;
+                break;
+        default:
+                eprintk("Task attribute %d not supported\n", cmd->task_attr);
+                tag = MSG_ORDERED_TAG;
+        }
+        dir = srp_cmd_direction(cmd);
+        len = vscsis_data_length(cmd, dir);
+        dprintk("%p %x %lx %d %d %d %llx\n", info, cmd->cdb[0],
+                cmd->lun, dir, len, tag, (unsigned long long) cmd->tag);
+        sc = scsi_host_get_command(shost, dir, GFP_KERNEL);
+        if (!sc)
+                return -ENOMEM;
+        sc->SCp.ptr = info;
+        memcpy(sc->cmnd, cmd->cdb, MAX_COMMAND_SIZE);
+        sc->request_bufflen = len;
+        sc->request_buffer = (void *) (unsigned long) addr;
+        sc->tag = tag;
+        err = scsi_tgt_queue_command(sc, (struct scsi_lun *) &cmd->lun, cmd->tag);
+        if (err)
+                scsi_host_put_command(shost, sc);
+        return err;
+}
+EXPORT_SYMBOL_GPL(srp_cmd_queue);
+MODULE_DESCRIPTION("SCSI RDAM Protocol lib functions");
+MODULE_AUTHOR("FUJITA Tomonori");
+MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 3f7f5f8abd75..a7de0bca5bdd 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -296,13 +296,17 @@ struct lpfc_hba {
        uint32_t cfg_cr_delay;
        uint32_t cfg_cr_count;
        uint32_t cfg_multi_ring_support;
+        uint32_t cfg_multi_ring_rctl;
+        uint32_t cfg_multi_ring_type;
        uint32_t cfg_fdmi_on;
        uint32_t cfg_discovery_threads;
        uint32_t cfg_max_luns;
        uint32_t cfg_poll;
        uint32_t cfg_poll_tmo;
+        uint32_t cfg_use_msi;
        uint32_t cfg_sg_seg_cnt;
        uint32_t cfg_sg_dma_buf_size;
+        uint64_t cfg_soft_wwnn;
        uint64_t cfg_soft_wwpn;
        uint32_t dev_loss_tmo_changed;
@@ -355,7 +359,7 @@ struct lpfc_hba {
 #define VPD_PORT            0x8         /* valid vpd port data */
 #define VPD_MASK            0xf         /* mask for any vpd data */
-        uint8_t soft_wwpn_enable;
+        uint8_t soft_wwn_enable;
        struct timer_list fcp_poll_timer;
        struct timer_list els_tmofunc;
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 2a4e02e7a392..f247e786af99 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -552,10 +552,10 @@ static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
-static char *lpfc_soft_wwpn_key = "C99G71SL8032A";
+static char *lpfc_soft_wwn_key = "C99G71SL8032A";
 static ssize_t
-lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf,
+lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf,
                                size_t count)
 {
        struct Scsi_Host *host = class_to_shost(cdev);
@@ -579,15 +579,15 @@ lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf,
        if (buf[cnt-1] == '\n')
                cnt--;
-        if ((cnt != strlen(lpfc_soft_wwpn_key)) ||
+        if ((cnt != strlen(lpfc_soft_wwn_key)) ||
-            (strncmp(buf, lpfc_soft_wwpn_key, strlen(lpfc_soft_wwpn_key)) != 0))
+            (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
                return -EINVAL;
-        phba->soft_wwpn_enable = 1;
+        phba->soft_wwn_enable = 1;
        return count;
 }
-static CLASS_DEVICE_ATTR(lpfc_soft_wwpn_enable, S_IWUSR, NULL,
+static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
-                                lpfc_soft_wwpn_enable_store);
+                                lpfc_soft_wwn_enable_store);
 static ssize_t
 lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
@@ -613,12 +613,12 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
        if (buf[cnt-1] == '\n')
                cnt--;
-        if (!phba->soft_wwpn_enable || (cnt < 16) || (cnt > 18) ||
+        if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
            ((cnt == 17) && (*buf++ != 'x')) ||
            ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
                return -EINVAL;
-        phba->soft_wwpn_enable = 0;
+        phba->soft_wwn_enable = 0;
        memset(wwpn, 0, sizeof(wwpn));
@@ -639,6 +639,8 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
        }
        phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
        fc_host_port_name(host) = phba->cfg_soft_wwpn;
+        if (phba->cfg_soft_wwnn)
+                fc_host_node_name(host) = phba->cfg_soft_wwnn;
        dev_printk(KERN_NOTICE, &phba->pcidev->dev,
                   "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
@@ -664,6 +666,66 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
 static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
                         lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
+static ssize_t
+lpfc_soft_wwnn_show(struct class_device *cdev, char *buf)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+        return snprintf(buf, PAGE_SIZE, "0x%llx\n",
+                        (unsigned long long)phba->cfg_soft_wwnn);
+}
+static ssize_t
+lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count)
+{
+        struct Scsi_Host *host = class_to_shost(cdev);
+        struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+        unsigned int i, j, cnt=count;
+        u8 wwnn[8];
+        /* count may include a LF at end of string */
+        if (buf[cnt-1] == '\n')
+                cnt--;
+        if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
+            ((cnt == 17) && (*buf++ != 'x')) ||
+            ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
+                return -EINVAL;
+        /*
+         * Allow wwnn to be set many times, as long as the enable is set.
+         * However, once the wwpn is set, everything locks.
+         */
+        memset(wwnn, 0, sizeof(wwnn));
+        /* Validate and store the new name */
+        for (i=0, j=0; i < 16; i++) {
+                if ((*buf >= 'a') && (*buf <= 'f'))
+                        j = ((j << 4) | ((*buf++ -'a') + 10));
+                else if ((*buf >= 'A') && (*buf <= 'F'))
+                        j = ((j << 4) | ((*buf++ -'A') + 10));
+                else if ((*buf >= '0') && (*buf <= '9'))
+                        j = ((j << 4) | (*buf++ -'0'));
+                else
+                        return -EINVAL;
+                if (i % 2) {
+                        wwnn[i/2] = j & 0xff;
+                        j = 0;
+                }
+        }
+        phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
+        dev_printk(KERN_NOTICE, &phba->pcidev->dev,
+                   "lpfc%d: soft_wwnn set. Value will take effect upon "
+                   "setting of the soft_wwpn\n", phba->brd_no);
+        return count;
+}
+static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
+                         lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
 static int lpfc_poll = 0;
 module_param(lpfc_poll, int, 0);
@@ -802,12 +864,11 @@ static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
 # LOG_MBOX                      0x4        Mailbox events
 # LOG_INIT                      0x8        Initialization events
 # LOG_LINK_EVENT                0x10       Link events
-# LOG_IP                        0x20       IP traffic history
 # LOG_FCP                       0x40       FCP traffic history
 # LOG_NODE                      0x80       Node table events
 # LOG_MISC                      0x400      Miscellaneous events
 # LOG_SLI                       0x800      SLI events
-# LOG_CHK_COND                  0x1000     FCP Check condition flag
+# LOG_FCP_ERROR                 0x1000     Only log FCP errors
 # LOG_LIBDFC                    0x2000     LIBDFC events
 # LOG_ALL_MSG                   0xffff     LOG all messages
 */
@@ -916,6 +977,22 @@ LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
                "SLI rings to spread IOCB entries across");
 /*
+# lpfc_multi_ring_rctl:  If lpfc_multi_ring_support is enabled, this
+# identifies what rctl value to configure the additional ring for.
+# Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
+*/
+LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
+             255, "Identifies RCTL for additional ring configuration");
+/*
+# lpfc_multi_ring_type:  If lpfc_multi_ring_support is enabled, this
+# identifies what type value to configure the additional ring for.
+# Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
+*/
+LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
+             255, "Identifies TYPE for additional ring configuration");
+/*
 # lpfc_fdmi_on: controls FDMI support.
 #       0 = no FDMI support
 #       1 = support FDMI without attribute of hostname
@@ -946,6 +1023,15 @@ LPFC_ATTR_R(max_luns, 255, 0, 65535,
 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
             "Milliseconds driver will wait between polling FCP ring");
+/*
+# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
+#               support this feature
+#       0  = MSI disabled (default)
+#       1  = MSI enabled
+# Value range is [0,1]. Default value is 0.
+*/
+LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
 struct class_device_attribute *lpfc_host_attrs[] = {
        &class_device_attr_info,
@@ -974,6 +1060,8 @@ struct class_device_attribute *lpfc_host_attrs[] = {
        &class_device_attr_lpfc_cr_delay,
        &class_device_attr_lpfc_cr_count,
        &class_device_attr_lpfc_multi_ring_support,
+        &class_device_attr_lpfc_multi_ring_rctl,
+        &class_device_attr_lpfc_multi_ring_type,
        &class_device_attr_lpfc_fdmi_on,
        &class_device_attr_lpfc_max_luns,
        &class_device_attr_nport_evt_cnt,
@@ -982,8 +1070,10 @@ struct class_device_attribute *lpfc_host_attrs[] = {
        &class_device_attr_issue_reset,
        &class_device_attr_lpfc_poll,
        &class_device_attr_lpfc_poll_tmo,
+        &class_device_attr_lpfc_use_msi,
+        &class_device_attr_lpfc_soft_wwnn,
        &class_device_attr_lpfc_soft_wwpn,
-        &class_device_attr_lpfc_soft_wwpn_enable,
+        &class_device_attr_lpfc_soft_wwn_enable,
        NULL,
 };
@@ -1771,6 +1861,8 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
        lpfc_cr_delay_init(phba, lpfc_cr_delay);
        lpfc_cr_count_init(phba, lpfc_cr_count);
        lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
+        lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
+        lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
        lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
        lpfc_fcp_class_init(phba, lpfc_fcp_class);
        lpfc_use_adisc_init(phba, lpfc_use_adisc);
@@ -1782,9 +1874,11 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
        lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
        lpfc_max_luns_init(phba, lpfc_max_luns);
        lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
+        lpfc_use_msi_init(phba, lpfc_use_msi);
        lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
        lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
        phba->cfg_poll = lpfc_poll;
+        phba->cfg_soft_wwnn = 0L;
        phba->cfg_soft_wwpn = 0L;
        /*
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 3add7c237859..a51a41b7f15d 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -558,6 +558,14 @@ lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
        return;
 }
+static void
+lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
+                         struct lpfc_iocbq * rspiocb)
+{
+        lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
+        return;
+}
 void
 lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp)
 {
@@ -629,6 +637,8 @@ lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
                bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
        else if (cmdcode == SLI_CTNS_RSNN_NN)
                bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
+        else if (cmdcode == SLI_CTNS_RFF_ID)
+                bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
        else
                bpl->tus.f.bdeSize = 0;
        bpl->tus.w = le32_to_cpu(bpl->tus.w);
@@ -660,6 +670,17 @@ lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
                cmpl = lpfc_cmpl_ct_cmd_rft_id;
                break;
+        case SLI_CTNS_RFF_ID:
+                CtReq->CommandResponse.bits.CmdRsp =
+                        be16_to_cpu(SLI_CTNS_RFF_ID);
+                CtReq->un.rff.PortId = be32_to_cpu(phba->fc_myDID);
+                CtReq->un.rff.feature_res = 0;
+                CtReq->un.rff.feature_tgt = 0;
+                CtReq->un.rff.type_code = FC_FCP_DATA;
+                CtReq->un.rff.feature_init = 1;
+                cmpl = lpfc_cmpl_ct_cmd_rff_id;
+                break;
        case SLI_CTNS_RNN_ID:
                CtReq->CommandResponse.bits.CmdRsp =
                    be16_to_cpu(SLI_CTNS_RNN_ID);
@@ -934,7 +955,8 @@ lpfc_fdmi_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
                        ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
                        ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
                        sprintf(ae->un.OsNameVersion, "%s %s %s",
-                                init_utsname()->sysname, init_utsname()->release,
+                                init_utsname()->sysname,
+                                init_utsname()->release,
                                init_utsname()->version);
                        len = strlen(ae->un.OsNameVersion);
                        len += (len & 3) ? (4 - (len & 3)) : 4;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 71864cdc6c71..a5f33a0dd4e7 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -243,6 +243,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
                struct serv_parm *sp, IOCB_t *irsp)
 {
        LPFC_MBOXQ_t *mbox;
+        struct lpfc_dmabuf *mp;
        int rc;
        spin_lock_irq(phba->host->host_lock);
@@ -307,10 +308,14 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
        rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB);
        if (rc == MBX_NOT_FINISHED)
-                goto fail_free_mbox;
+                goto fail_issue_reg_login;
        return 0;
+ fail_issue_reg_login:
+        mp = (struct lpfc_dmabuf *) mbox->context1;
+        lpfc_mbuf_free(phba, mp->virt, mp->phys);
+        kfree(mp);
 fail_free_mbox:
        mempool_free(mbox, phba->mbox_mem_pool);
 fail:
@@ -657,6 +662,12 @@ lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp,
        uint8_t name[sizeof (struct lpfc_name)];
        uint32_t rc;
+        /* Fabric nodes can have the same WWPN so we don't bother searching
+         * by WWPN.  Just return the ndlp that was given to us.
+         */
+        if (ndlp->nlp_type & NLP_FABRIC)
+                return ndlp;
        lp = (uint32_t *) prsp->virt;
        sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
        memset(name, 0, sizeof (struct lpfc_name));
@@ -1122,7 +1133,7 @@ lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
                                                mempool_free(mbox,
                                                     phba->mbox_mem_pool);
                                                lpfc_disc_flush_list(phba);
-                                                psli->ring[(psli->ip_ring)].
+                                                psli->ring[(psli->extra_ring)].
                                                    flag &=
                                                    ~LPFC_STOP_IOCB_EVENT;
                                                psli->ring[(psli->fcp_ring)].
@@ -1851,6 +1862,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
        IOCB_t *irsp;
        struct lpfc_nodelist *ndlp;
        LPFC_MBOXQ_t *mbox = NULL;
+        struct lpfc_dmabuf *mp;
        irsp = &rspiocb->iocb;
@@ -1862,6 +1874,11 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
        /* Check to see if link went down during discovery */
        if ((lpfc_els_chk_latt(phba)) || !ndlp) {
                if (mbox) {
+                        mp = (struct lpfc_dmabuf *) mbox->context1;
+                        if (mp) {
+                                lpfc_mbuf_free(phba, mp->virt, mp->phys);
+                                kfree(mp);
+                        }
                        mempool_free( mbox, phba->mbox_mem_pool);
                }
                goto out;
@@ -1893,9 +1910,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
                        }
                        /* NOTE: we should have messages for unsuccessful
                           reglogin */
-                        mempool_free( mbox, phba->mbox_mem_pool);
                } else {
-                        mempool_free( mbox, phba->mbox_mem_pool);
                        /* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */
                        if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
                              ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
@@ -1907,6 +1922,12 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
                                }
                        }
                }
+                mp = (struct lpfc_dmabuf *) mbox->context1;
+                if (mp) {
+                        lpfc_mbuf_free(phba, mp->virt, mp->phys);
+                        kfree(mp);
+                }
+                mempool_free(mbox, phba->mbox_mem_pool);
        }
 out:
        if (ndlp) {
@@ -2644,6 +2665,7 @@ lpfc_els_handle_rscn(struct lpfc_hba * phba)
                        ndlp->nlp_type |= NLP_FABRIC;
                        ndlp->nlp_prev_state = ndlp->nlp_state;
                        ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
+                        lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
                        lpfc_issue_els_plogi(phba, NameServer_DID, 0);
                        /* Wait for NameServer login cmpl before we can
                           continue */
@@ -3039,7 +3061,7 @@ lpfc_els_rcv_farp(struct lpfc_hba * phba,
        /* FARP-REQ received from DID <did> */
        lpfc_printf_log(phba,
                         KERN_INFO,
-                         LOG_IP,
+                         LOG_ELS,
                         "%d:0601 FARP-REQ received from DID x%x\n",
                         phba->brd_no, did);
@@ -3101,7 +3123,7 @@ lpfc_els_rcv_farpr(struct lpfc_hba * phba,
        /* FARP-RSP received from DID <did> */
        lpfc_printf_log(phba,
                         KERN_INFO,
-                         LOG_IP,
+                         LOG_ELS,
                         "%d:0600 FARP-RSP received from DID x%x\n",
                         phba->brd_no, did);
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 19c79a0549a7..c39564e85e94 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -525,7 +525,7 @@ lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
        psli = &phba->sli;
        mb = &pmb->mb;
        /* Since we don't do discovery right now, turn these off here */
-        psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
+        psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
        psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
        psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
@@ -641,7 +641,7 @@ out:
        if (rc == MBX_NOT_FINISHED) {
                mempool_free(pmb, phba->mbox_mem_pool);
                lpfc_disc_flush_list(phba);
-                psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+                psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
                psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
                psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
                phba->hba_state = LPFC_HBA_READY;
@@ -672,6 +672,8 @@ lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
        memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt,
               sizeof (struct serv_parm));
+        if (phba->cfg_soft_wwnn)
+                u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn);
        if (phba->cfg_soft_wwpn)
                u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
        memcpy((uint8_t *) & phba->fc_nodename,
@@ -696,7 +698,7 @@ out:
                    == MBX_NOT_FINISHED) {
                        mempool_free( pmb, phba->mbox_mem_pool);
                        lpfc_disc_flush_list(phba);
-                        psli->ring[(psli->ip_ring)].flag &=
+                        psli->ring[(psli->extra_ring)].flag &=
                            ~LPFC_STOP_IOCB_EVENT;
                        psli->ring[(psli->fcp_ring)].flag &=
                            ~LPFC_STOP_IOCB_EVENT;
@@ -715,6 +717,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
 {
        int i;
        LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox;
+        struct lpfc_dmabuf *mp;
+        int rc;
        sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
        cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
@@ -793,16 +798,27 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
        if (sparam_mbox) {
                lpfc_read_sparam(phba, sparam_mbox);
                sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
-                lpfc_sli_issue_mbox(phba, sparam_mbox,
+                rc = lpfc_sli_issue_mbox(phba, sparam_mbox,
                                                (MBX_NOWAIT | MBX_STOP_IOCB));
+                if (rc == MBX_NOT_FINISHED) {
+                        mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
+                        lpfc_mbuf_free(phba, mp->virt, mp->phys);
+                        kfree(mp);
+                        mempool_free(sparam_mbox, phba->mbox_mem_pool);
+                        if (cfglink_mbox)
+                                mempool_free(cfglink_mbox, phba->mbox_mem_pool);
+                        return;
+                }
        }
        if (cfglink_mbox) {
                phba->hba_state = LPFC_LOCAL_CFG_LINK;
                lpfc_config_link(phba, cfglink_mbox);
                cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link;
-                lpfc_sli_issue_mbox(phba, cfglink_mbox,
+                rc = lpfc_sli_issue_mbox(phba, cfglink_mbox,
                                                (MBX_NOWAIT | MBX_STOP_IOCB));
+                if (rc == MBX_NOT_FINISHED)
+                        mempool_free(cfglink_mbox, phba->mbox_mem_pool);
        }
 }
@@ -1067,6 +1083,7 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
                lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID);
                lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN);
                lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID);
+                lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFF_ID);
        }
        phba->fc_ns_retry = 0;
@@ -1423,7 +1440,7 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba,
                        if (iocb->context1 == (uint8_t *) ndlp)
                                return 1;
                }
-        } else if (pring->ringno == psli->ip_ring) {
+        } else if (pring->ringno == psli->extra_ring) {
        } else if (pring->ringno == psli->fcp_ring) {
                /* Skip match check if waiting to relogin to FCP target */
@@ -1680,112 +1697,38 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
 struct lpfc_nodelist *
 lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
 {
-        struct lpfc_nodelist *ndlp, *next_ndlp;
+        struct lpfc_nodelist *ndlp;
+        struct list_head *lists[]={&phba->fc_nlpunmap_list,
+                                   &phba->fc_nlpmap_list,
+                                   &phba->fc_plogi_list,
+                                   &phba->fc_adisc_list,
+                                   &phba->fc_reglogin_list,
+                                   &phba->fc_prli_list,
+                                   &phba->fc_npr_list,
+                                   &phba->fc_unused_list};
+        uint32_t search[]={NLP_SEARCH_UNMAPPED,
+                           NLP_SEARCH_MAPPED,
+                           NLP_SEARCH_PLOGI,
+                           NLP_SEARCH_ADISC,
+                           NLP_SEARCH_REGLOGIN,
+                           NLP_SEARCH_PRLI,
+                           NLP_SEARCH_NPR,
+                           NLP_SEARCH_UNUSED};
+        int i;
        uint32_t data1;
        spin_lock_irq(phba->host->host_lock);
-        if (order & NLP_SEARCH_UNMAPPED) {
+        for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
-                list_for_each_entry_safe(ndlp, next_ndlp,
+                if (!(order & search[i]))
-                                         &phba->fc_nlpunmap_list, nlp_listp) {
+                        continue;
-                        if (lpfc_matchdid(phba, ndlp, did)) {
+                list_for_each_entry(ndlp, lists[i], nlp_listp) {
-                                data1 = (((uint32_t) ndlp->nlp_state << 24) |
-                                         ((uint32_t) ndlp->nlp_xri << 16) |
-                                         ((uint32_t) ndlp->nlp_type << 8) |
-                                         ((uint32_t) ndlp->nlp_rpi & 0xff));
-                                /* FIND node DID unmapped */
-                                lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-                                                "%d:0929 FIND node DID unmapped"
-                                                " Data: x%p x%x x%x x%x\n",
-                                                phba->brd_no,
-                                                ndlp, ndlp->nlp_DID,
-                                                ndlp->nlp_flag, data1);
-                                spin_unlock_irq(phba->host->host_lock);
-                                return ndlp;
-                        }
-                }
-        }
-        if (order & NLP_SEARCH_MAPPED) {
-                list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
-                                        nlp_listp) {
-                        if (lpfc_matchdid(phba, ndlp, did)) {
-                                data1 = (((uint32_t) ndlp->nlp_state << 24) |
-                                         ((uint32_t) ndlp->nlp_xri << 16) |
-                                         ((uint32_t) ndlp->nlp_type << 8) |
-                                         ((uint32_t) ndlp->nlp_rpi & 0xff));
-                                /* FIND node DID mapped */
-                                lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-                                                "%d:0930 FIND node DID mapped "
-                                                "Data: x%p x%x x%x x%x\n",
-                                                phba->brd_no,
-                                                ndlp, ndlp->nlp_DID,
-                                                ndlp->nlp_flag, data1);
-                                spin_unlock_irq(phba->host->host_lock);
-                                return ndlp;
-                        }
-                }
-        }
-        if (order & NLP_SEARCH_PLOGI) {
-                list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
-                                        nlp_listp) {
-                        if (lpfc_matchdid(phba, ndlp, did)) {
-                                data1 = (((uint32_t) ndlp->nlp_state << 24) |
-                                         ((uint32_t) ndlp->nlp_xri << 16) |
-                                         ((uint32_t) ndlp->nlp_type << 8) |
-                                         ((uint32_t) ndlp->nlp_rpi & 0xff));
-                                /* LOG change to PLOGI */
-                                /* FIND node DID plogi */
-                                lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-                                                "%d:0908 FIND node DID plogi "
-                                                "Data: x%p x%x x%x x%x\n",
-                                                phba->brd_no,
-                                                ndlp, ndlp->nlp_DID,
-                                                ndlp->nlp_flag, data1);
-                                spin_unlock_irq(phba->host->host_lock);
-                                return ndlp;
-                        }
-                }
-        }
-        if (order & NLP_SEARCH_ADISC) {
-                list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
-                                        nlp_listp) {
-                        if (lpfc_matchdid(phba, ndlp, did)) {
-                                data1 = (((uint32_t) ndlp->nlp_state << 24) |
-                                         ((uint32_t) ndlp->nlp_xri << 16) |
-                                         ((uint32_t) ndlp->nlp_type << 8) |
-                                         ((uint32_t) ndlp->nlp_rpi & 0xff));
-                                /* LOG change to ADISC */
-                                /* FIND node DID adisc */
-                                lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-                                                "%d:0931 FIND node DID adisc "
-                                                "Data: x%p x%x x%x x%x\n",
-                                                phba->brd_no,
-                                                ndlp, ndlp->nlp_DID,
-                                                ndlp->nlp_flag, data1);
-                                spin_unlock_irq(phba->host->host_lock);
-                                return ndlp;
-                        }
-                }
-        }
-        if (order & NLP_SEARCH_REGLOGIN) {
-                list_for_each_entry_safe(ndlp, next_ndlp,
-                                         &phba->fc_reglogin_list, nlp_listp) {
                        if (lpfc_matchdid(phba, ndlp, did)) {
                                data1 = (((uint32_t) ndlp->nlp_state << 24) |
                                         ((uint32_t) ndlp->nlp_xri << 16) |
                                         ((uint32_t) ndlp->nlp_type << 8) |
                                         ((uint32_t) ndlp->nlp_rpi & 0xff));
-                                /* LOG change to REGLOGIN */
-                                /* FIND node DID reglogin */
                                lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-                                                "%d:0901 FIND node DID reglogin"
+                                                "%d:0929 FIND node DID "
                                                " Data: x%p x%x x%x x%x\n",
                                                phba->brd_no,
                                                ndlp, ndlp->nlp_DID,
@@ -1795,86 +1738,12 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
                        }
                }
        }
-        if (order & NLP_SEARCH_PRLI) {
-                list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
-                                        nlp_listp) {
-                        if (lpfc_matchdid(phba, ndlp, did)) {
-                                data1 = (((uint32_t) ndlp->nlp_state << 24) |
-                                         ((uint32_t) ndlp->nlp_xri << 16) |
-                                         ((uint32_t) ndlp->nlp_type << 8) |
-                                         ((uint32_t) ndlp->nlp_rpi & 0xff));
-                                /* LOG change to PRLI */
-                                /* FIND node DID prli */
-                                lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-                                                "%d:0902 FIND node DID prli "
-                                                "Data: x%p x%x x%x x%x\n",
-                                                phba->brd_no,
-                                                ndlp, ndlp->nlp_DID,
-                                                ndlp->nlp_flag, data1);
-                                spin_unlock_irq(phba->host->host_lock);
-                                return ndlp;
-                        }
-                }
-        }
-        if (order & NLP_SEARCH_NPR) {
-                list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
-                                        nlp_listp) {
-                        if (lpfc_matchdid(phba, ndlp, did)) {
-                                data1 = (((uint32_t) ndlp->nlp_state << 24) |
-                                         ((uint32_t) ndlp->nlp_xri << 16) |
-                                         ((uint32_t) ndlp->nlp_type << 8) |
-                                         ((uint32_t) ndlp->nlp_rpi & 0xff));
-                                /* LOG change to NPR */
-                                /* FIND node DID npr */
-                                lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-                                                "%d:0903 FIND node DID npr "
-                                                "Data: x%p x%x x%x x%x\n",
-                                                phba->brd_no,
-                                                ndlp, ndlp->nlp_DID,
-                                                ndlp->nlp_flag, data1);
-                                spin_unlock_irq(phba->host->host_lock);
-                                return ndlp;
-                        }
-                }
-        }
-        if (order & NLP_SEARCH_UNUSED) {
-                list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
-                                        nlp_listp) {
-                        if (lpfc_matchdid(phba, ndlp, did)) {
-                                data1 = (((uint32_t) ndlp->nlp_state << 24) |
-                                         ((uint32_t) ndlp->nlp_xri << 16) |
-                                         ((uint32_t) ndlp->nlp_type << 8) |
-                                         ((uint32_t) ndlp->nlp_rpi & 0xff));
-                                /* LOG change to UNUSED */
-                                /* FIND node DID unused */
-                                lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-                                                "%d:0905 FIND node DID unused "
-                                                "Data: x%p x%x x%x x%x\n",
-                                                phba->brd_no,
-                                                ndlp, ndlp->nlp_DID,
-                                                ndlp->nlp_flag, data1);
-                                spin_unlock_irq(phba->host->host_lock);
-                                return ndlp;
-                        }
-                }
-        }
        spin_unlock_irq(phba->host->host_lock);
        /* FIND node did <did> NOT FOUND */
-        lpfc_printf_log(phba,
+        lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-                        KERN_INFO,
-                        LOG_NODE,
                        "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
                        phba->brd_no, did, order);
-        /* no match found */
        return NULL;
 }
@@ -2036,7 +1905,7 @@ lpfc_disc_start(struct lpfc_hba * phba)
                        if (rc == MBX_NOT_FINISHED) {
                                mempool_free( mbox, phba->mbox_mem_pool);
                                lpfc_disc_flush_list(phba);
-                                psli->ring[(psli->ip_ring)].flag &=
+                                psli->ring[(psli->extra_ring)].flag &=
                                        ~LPFC_STOP_IOCB_EVENT;
                                psli->ring[(psli->fcp_ring)].flag &=
                                        ~LPFC_STOP_IOCB_EVENT;
@@ -2415,7 +2284,7 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba)
        if (clrlaerr) {
                lpfc_disc_flush_list(phba);
-                psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+                psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
                psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
                psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
                phba->hba_state = LPFC_HBA_READY;
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index eedf98801366..f79cb6136906 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -42,14 +42,14 @@
 #define FCELSSIZE             1024      /* maximum ELS transfer size */
 #define LPFC_FCP_RING            0      /* ring 0 for FCP initiator commands */
-#define LPFC_IP_RING             1      /* ring 1 for IP commands */
+#define LPFC_EXTRA_RING          1      /* ring 1 for other protocols */
 #define LPFC_ELS_RING            2      /* ring 2 for ELS commands */
 #define LPFC_FCP_NEXT_RING       3
 #define SLI2_IOCB_CMD_R0_ENTRIES    172 /* SLI-2 FCP command ring entries */
 #define SLI2_IOCB_RSP_R0_ENTRIES    134 /* SLI-2 FCP response ring entries */
-#define SLI2_IOCB_CMD_R1_ENTRIES      4 /* SLI-2 IP command ring entries */
+#define SLI2_IOCB_CMD_R1_ENTRIES      4 /* SLI-2 extra command ring entries */
-#define SLI2_IOCB_RSP_R1_ENTRIES      4 /* SLI-2 IP response ring entries */
+#define SLI2_IOCB_RSP_R1_ENTRIES      4 /* SLI-2 extra response ring entries */
 #define SLI2_IOCB_CMD_R1XTRA_ENTRIES 36 /* SLI-2 extra FCP cmd ring entries */
 #define SLI2_IOCB_RSP_R1XTRA_ENTRIES 52 /* SLI-2 extra FCP rsp ring entries */
 #define SLI2_IOCB_CMD_R2_ENTRIES     20 /* SLI-2 ELS command ring entries */
@@ -121,6 +121,20 @@ struct lpfc_sli_ct_request {
                        uint32_t rsvd[7];
                } rft;
+                struct rff {
+                        uint32_t PortId;
+                        uint8_t reserved[2];
+#ifdef __BIG_ENDIAN_BITFIELD
+                        uint8_t feature_res:6;
+                        uint8_t feature_init:1;
+                        uint8_t feature_tgt:1;
+#else  /*  __LITTLE_ENDIAN_BITFIELD */
+                        uint8_t feature_tgt:1;
+                        uint8_t feature_init:1;
+                        uint8_t feature_res:6;
+#endif
+                        uint8_t type_code;     /* type=8 for FCP */
+                } rff;
                struct rnn {
                        uint32_t PortId;        /* For RNN_ID requests */
                        uint8_t wwnn[8];
@@ -136,6 +150,7 @@ struct lpfc_sli_ct_request {
 #define  SLI_CT_REVISION        1
 #define  GID_REQUEST_SZ         (sizeof(struct lpfc_sli_ct_request) - 260)
 #define  RFT_REQUEST_SZ         (sizeof(struct lpfc_sli_ct_request) - 228)
+#define  RFF_REQUEST_SZ         (sizeof(struct lpfc_sli_ct_request) - 235)
 #define  RNN_REQUEST_SZ         (sizeof(struct lpfc_sli_ct_request) - 252)
 #define  RSNN_REQUEST_SZ        (sizeof(struct lpfc_sli_ct_request))
@@ -225,6 +240,7 @@ struct lpfc_sli_ct_request {
 #define  SLI_CTNS_RNN_ID      0x0213
 #define  SLI_CTNS_RCS_ID      0x0214
 #define  SLI_CTNS_RFT_ID      0x0217
+#define  SLI_CTNS_RFF_ID      0x021F
 #define  SLI_CTNS_RSPN_ID     0x0218
 #define  SLI_CTNS_RPT_ID      0x021A
 #define  SLI_CTNS_RIP_NN      0x0235
@@ -1089,12 +1105,6 @@ typedef struct {
 #define PCI_DEVICE_ID_ZEPHYR_SCSP   0xfe11
 #define PCI_DEVICE_ID_ZEPHYR_DCSP   0xfe12
-#define PCI_SUBSYSTEM_ID_LP11000S      0xfc11
-#define PCI_SUBSYSTEM_ID_LP11002S      0xfc12
-#define PCI_SUBSYSTEM_ID_LPE11000S     0xfc21
-#define PCI_SUBSYSTEM_ID_LPE11002S     0xfc22
-#define PCI_SUBSYSTEM_ID_LPE11010S     0xfc2A
 #define JEDEC_ID_ADDRESS            0x0080001c
 #define FIREFLY_JEDEC_ID            0x1ACC
 #define SUPERFLY_JEDEC_ID           0x0020
@@ -1284,6 +1294,10 @@ typedef struct {		/* FireFly BIU registers */
 #define CMD_FCP_IREAD_CX        0x1B
 #define CMD_FCP_ICMND_CR        0x1C
 #define CMD_FCP_ICMND_CX        0x1D
+#define CMD_FCP_TSEND_CX        0x1F
+#define CMD_FCP_TRECEIVE_CX     0x21
+#define CMD_FCP_TRSP_CX         0x23
+#define CMD_FCP_AUTO_TRSP_CX    0x29
 #define CMD_ADAPTER_MSG         0x20
 #define CMD_ADAPTER_DUMP        0x22
@@ -1310,6 +1324,9 @@ typedef struct {		/* FireFly BIU registers */
 #define CMD_FCP_IREAD64_CX      0x9B
 #define CMD_FCP_ICMND64_CR      0x9C
 #define CMD_FCP_ICMND64_CX      0x9D
+#define CMD_FCP_TSEND64_CX      0x9F
+#define CMD_FCP_TRECEIVE64_CX   0xA1
+#define CMD_FCP_TRSP64_CX       0xA3
 #define CMD_GEN_REQUEST64_CR    0xC2
 #define CMD_GEN_REQUEST64_CX    0xC3
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index a5723ad0a099..afca45cdbcef 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -268,6 +268,8 @@ lpfc_config_port_post(struct lpfc_hba * phba)
        kfree(mp);
        pmb->context1 = NULL;
+        if (phba->cfg_soft_wwnn)
+                u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn);
        if (phba->cfg_soft_wwpn)
                u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
        memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
@@ -349,8 +351,8 @@ lpfc_config_port_post(struct lpfc_hba * phba)
        phba->hba_state = LPFC_LINK_DOWN;
        /* Only process IOCBs on ring 0 till hba_state is READY */
-        if (psli->ring[psli->ip_ring].cmdringaddr)
+        if (psli->ring[psli->extra_ring].cmdringaddr)
-                psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
+                psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
        if (psli->ring[psli->fcp_ring].cmdringaddr)
                psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
        if (psli->ring[psli->next_ring].cmdringaddr)
@@ -517,7 +519,8 @@ lpfc_handle_eratt(struct lpfc_hba * phba)
        struct lpfc_sli_ring  *pring;
        uint32_t event_data;
-        if (phba->work_hs & HS_FFER6) {
+        if (phba->work_hs & HS_FFER6 ||
+            phba->work_hs & HS_FFER5) {
                /* Re-establishing Link */
                lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
                                "%d:1301 Re-establishing Link "
@@ -611,7 +614,7 @@ lpfc_handle_latt(struct lpfc_hba * phba)
        pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
        rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
        if (rc == MBX_NOT_FINISHED)
-                goto lpfc_handle_latt_free_mp;
+                goto lpfc_handle_latt_free_mbuf;
        /* Clear Link Attention in HA REG */
        spin_lock_irq(phba->host->host_lock);
@@ -621,6 +624,8 @@ lpfc_handle_latt(struct lpfc_hba * phba)
        return;
+lpfc_handle_latt_free_mbuf:
+        lpfc_mbuf_free(phba, mp->virt, mp->phys);
 lpfc_handle_latt_free_mp:
        kfree(mp);
 lpfc_handle_latt_free_pmb:
@@ -802,19 +807,13 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 {
        lpfc_vpd_t *vp;
        uint16_t dev_id = phba->pcidev->device;
-        uint16_t dev_subid = phba->pcidev->subsystem_device;
-        uint8_t hdrtype;
        int max_speed;
-        char * ports;
        struct {
                char * name;
                int    max_speed;
-                char * ports;
                char * bus;
-        } m = {"<Unknown>", 0, "", ""};
+        } m = {"<Unknown>", 0, ""};
-        pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
-        ports = (hdrtype == 0x80) ? "2-port " : "";
        if (mdp && mdp[0] != '\0'
                && descp && descp[0] != '\0')
                return;
@@ -834,130 +833,93 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
        switch (dev_id) {
        case PCI_DEVICE_ID_FIREFLY:
-                m = (typeof(m)){"LP6000", max_speed, "", "PCI"};
+                m = (typeof(m)){"LP6000", max_speed, "PCI"};
                break;
        case PCI_DEVICE_ID_SUPERFLY:
                if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
-                        m = (typeof(m)){"LP7000", max_speed, "", "PCI"};
+                        m = (typeof(m)){"LP7000", max_speed,  "PCI"};
                else
-                        m = (typeof(m)){"LP7000E", max_speed, "", "PCI"};
+                        m = (typeof(m)){"LP7000E", max_speed, "PCI"};
                break;
        case PCI_DEVICE_ID_DRAGONFLY:
-                m = (typeof(m)){"LP8000", max_speed, "", "PCI"};
+                m = (typeof(m)){"LP8000", max_speed, "PCI"};
                break;
        case PCI_DEVICE_ID_CENTAUR:
                if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
-                        m = (typeof(m)){"LP9002", max_speed, "", "PCI"};
+                        m = (typeof(m)){"LP9002", max_speed, "PCI"};
                else
-                        m = (typeof(m)){"LP9000", max_speed, "", "PCI"};
+                        m = (typeof(m)){"LP9000", max_speed, "PCI"};
                break;
        case PCI_DEVICE_ID_RFLY:
-                m = (typeof(m)){"LP952", max_speed, "", "PCI"};
+                m = (typeof(m)){"LP952", max_speed, "PCI"};
                break;
        case PCI_DEVICE_ID_PEGASUS:
-                m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"};
+                m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
                break;
        case PCI_DEVICE_ID_THOR:
-                if (hdrtype == 0x80)
+                m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
-                        m = (typeof(m)){"LP10000DC",
-                                        max_speed, ports, "PCI-X"};
-                else
-                        m = (typeof(m)){"LP10000",
-                                        max_speed, ports, "PCI-X"};
                break;
        case PCI_DEVICE_ID_VIPER:
-                m = (typeof(m)){"LPX1000", max_speed, "", "PCI-X"};
+                m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
                break;
        case PCI_DEVICE_ID_PFLY:
-                m = (typeof(m)){"LP982", max_speed, "", "PCI-X"};
+                m = (typeof(m)){"LP982", max_speed, "PCI-X"};
                break;
        case PCI_DEVICE_ID_TFLY:
-                if (hdrtype == 0x80)
+                m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
-                        m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"};
-                else
-                        m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"};
                break;
        case PCI_DEVICE_ID_HELIOS:
-                if (hdrtype == 0x80)
+                m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
-                        m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"};
-                else
-                        m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"};
                break;
        case PCI_DEVICE_ID_HELIOS_SCSP:
-                m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"};
+                m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
                break;
        case PCI_DEVICE_ID_HELIOS_DCSP:
-                m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"};
+                m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
                break;
        case PCI_DEVICE_ID_NEPTUNE:
-                if (hdrtype == 0x80)
+                m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
-                        m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"};
-                else
-                        m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"};
                break;
        case PCI_DEVICE_ID_NEPTUNE_SCSP:
-                m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"};
+                m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
                break;
        case PCI_DEVICE_ID_NEPTUNE_DCSP:
-                m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"};
+                m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
                break;
        case PCI_DEVICE_ID_BMID:
-                m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"};
+                m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
                break;
        case PCI_DEVICE_ID_BSMB:
-                m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"};
+                m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
                break;
        case PCI_DEVICE_ID_ZEPHYR:
-                if (hdrtype == 0x80)
+                m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
-                        m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"};
-                else
-                        m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
                break;
        case PCI_DEVICE_ID_ZEPHYR_SCSP:
-                m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
+                m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
                break;
        case PCI_DEVICE_ID_ZEPHYR_DCSP:
-                m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"};
+                m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
                break;
        case PCI_DEVICE_ID_ZMID:
-                m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"};
+                m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
                break;
        case PCI_DEVICE_ID_ZSMB:
-                m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"};
+                m = (typeof(m)){"LPe111", max_speed, "PCIe"};
                break;
        case PCI_DEVICE_ID_LP101:
-                m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"};
+                m = (typeof(m)){"LP101", max_speed, "PCI-X"};
                break;
        case PCI_DEVICE_ID_LP10000S:
-                m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"};
+                m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
                break;
        case PCI_DEVICE_ID_LP11000S:
+                m = (typeof(m)){"LP11000-S", max_speed,
+                        "PCI-X2"};
+                break;
        case PCI_DEVICE_ID_LPE11000S:
-                switch (dev_subid) {
+                m = (typeof(m)){"LPe11000-S", max_speed,
-                case PCI_SUBSYSTEM_ID_LP11000S:
+                        "PCIe"};
-                        m = (typeof(m)){"LP11000-S", max_speed,
-                                        ports, "PCI-X2"};
-                        break;
-                case PCI_SUBSYSTEM_ID_LP11002S:
-                        m = (typeof(m)){"LP11002-S", max_speed,
-                                        ports, "PCI-X2"};
-                        break;
-                case PCI_SUBSYSTEM_ID_LPE11000S:
-                        m = (typeof(m)){"LPe11000-S", max_speed,
-                                        ports, "PCIe"};
-                        break;
-                case PCI_SUBSYSTEM_ID_LPE11002S:
-                        m = (typeof(m)){"LPe11002-S", max_speed,
-                                        ports, "PCIe"};
-                        break;
-                case PCI_SUBSYSTEM_ID_LPE11010S:
-                        m = (typeof(m)){"LPe11010-S", max_speed,
-                                        "10-port ", "PCIe"};
-                        break;
-                default:
-                        m = (typeof(m)){ NULL };
-                        break;
-                }
                break;
        default:
                m = (typeof(m)){ NULL };
@@ -968,8 +930,8 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
                snprintf(mdp, 79,"%s", m.name);
        if (descp && descp[0] == '\0')
                snprintf(descp, 255,
-                         "Emulex %s %dGb %s%s Fibre Channel Adapter",
+                         "Emulex %s %dGb %s Fibre Channel Adapter",
-                         m.name, m.max_speed, m.ports, m.bus);
+                         m.name, m.max_speed, m.bus);
 }
 /**************************************************/
@@ -1651,6 +1613,14 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
        if (error)
                goto out_remove_host;
+        if (phba->cfg_use_msi) {
+                error = pci_enable_msi(phba->pcidev);
+                if (error)
+                        lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 "
+                                        "Enable MSI failed, continuing with "
+                                        "IRQ\n", phba->brd_no);
+        }
        error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
                                                        LPFC_DRIVER_NAME, phba);
        if (error) {
@@ -1730,6 +1700,7 @@ out_free_irq:
        lpfc_stop_timer(phba);
        phba->work_hba_events = 0;
        free_irq(phba->pcidev->irq, phba);
+        pci_disable_msi(phba->pcidev);
 out_free_sysfs_attr:
        lpfc_free_sysfs_attr(phba);
 out_remove_host:
@@ -1796,6 +1767,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
        /* Release the irq reservation */
        free_irq(phba->pcidev->irq, phba);
+        pci_disable_msi(phba->pcidev);
        lpfc_cleanup(phba, 0);
        lpfc_stop_timer(phba);
diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h
index 62c8ca862e9e..438cbcd9eb13 100644
--- a/drivers/scsi/lpfc/lpfc_logmsg.h
+++ b/drivers/scsi/lpfc/lpfc_logmsg.h
@@ -28,7 +28,7 @@
 #define LOG_NODE                      0x80      /* Node table events */
 #define LOG_MISC                      0x400     /* Miscellaneous events */
 #define LOG_SLI                       0x800     /* SLI events */
-#define LOG_CHK_COND                  0x1000    /* FCP Check condition flag */
+#define LOG_FCP_ERROR                 0x1000    /* log errors, not underruns */
 #define LOG_LIBDFC                    0x2000    /* Libdfc events */
 #define LOG_ALL_MSG                   0xffff    /* LOG all messages */
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index d5f415007db2..0c7e731dc45a 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -739,7 +739,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba,
                            uint32_t evt)
 {
        struct lpfc_iocbq *cmdiocb, *rspiocb;
-        struct lpfc_dmabuf *pcmd, *prsp;
+        struct lpfc_dmabuf *pcmd, *prsp, *mp;
        uint32_t *lp;
        IOCB_t *irsp;
        struct serv_parm *sp;
@@ -829,6 +829,9 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba,
                                      NLP_REGLOGIN_LIST);
                        return ndlp->nlp_state;
                }
+                mp = (struct lpfc_dmabuf *)mbox->context1;
+                lpfc_mbuf_free(phba, mp->virt, mp->phys);
+                kfree(mp);
                mempool_free(mbox, phba->mbox_mem_pool);
        } else {
                mempool_free(mbox, phba->mbox_mem_pool);
@@ -1620,8 +1623,8 @@ lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba,
         * or discovery in progress for this node. Starting discovery
         * here will affect the counting of discovery threads.
         */
-        if ((!(ndlp->nlp_flag & NLP_DELAY_TMO)) &&
+        if (!(ndlp->nlp_flag & NLP_DELAY_TMO) &&
-                (ndlp->nlp_flag & NLP_NPR_2B_DISC)){
+                !(ndlp->nlp_flag & NLP_NPR_2B_DISC)){
                if (ndlp->nlp_flag & NLP_NPR_ADISC) {
                        ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
                        ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 97ae98dc95d0..c3e68e0d8f74 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -297,8 +297,10 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
        uint32_t fcpi_parm = lpfc_cmd->cur_iocbq.iocb.un.fcpi.fcpi_parm;
        uint32_t resp_info = fcprsp->rspStatus2;
        uint32_t scsi_status = fcprsp->rspStatus3;
+        uint32_t *lp;
        uint32_t host_status = DID_OK;
        uint32_t rsplen = 0;
+        uint32_t logit = LOG_FCP | LOG_FCP_ERROR;
        /*
         *  If this is a task management command, there is no
@@ -310,10 +312,25 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
                goto out;
        }
-        lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
+        if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) {
-                        "%d:0730 FCP command failed: RSP "
+                uint32_t snslen = be32_to_cpu(fcprsp->rspSnsLen);
-                        "Data: x%x x%x x%x x%x x%x x%x\n",
+                if (snslen > SCSI_SENSE_BUFFERSIZE)
-                        phba->brd_no, resp_info, scsi_status,
+                        snslen = SCSI_SENSE_BUFFERSIZE;
+                if (resp_info & RSP_LEN_VALID)
+                  rsplen = be32_to_cpu(fcprsp->rspRspLen);
+                memcpy(cmnd->sense_buffer, &fcprsp->rspInfo0 + rsplen, snslen);
+        }
+        lp = (uint32_t *)cmnd->sense_buffer;
+        if (!scsi_status && (resp_info & RESID_UNDER))
+                logit = LOG_FCP;
+        lpfc_printf_log(phba, KERN_WARNING, logit,
+                        "%d:0730 FCP command x%x failed: x%x SNS x%x x%x "
+                        "Data: x%x x%x x%x x%x x%x\n",
+                        phba->brd_no, cmnd->cmnd[0], scsi_status,
+                        be32_to_cpu(*lp), be32_to_cpu(*(lp + 3)), resp_info,
                        be32_to_cpu(fcprsp->rspResId),
                        be32_to_cpu(fcprsp->rspSnsLen),
                        be32_to_cpu(fcprsp->rspRspLen),
@@ -328,14 +345,6 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
                }
        }
-        if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) {
-                uint32_t snslen = be32_to_cpu(fcprsp->rspSnsLen);
-                if (snslen > SCSI_SENSE_BUFFERSIZE)
-                        snslen = SCSI_SENSE_BUFFERSIZE;
-                memcpy(cmnd->sense_buffer, &fcprsp->rspInfo0 + rsplen, snslen);
-        }
        cmnd->resid = 0;
        if (resp_info & RESID_UNDER) {
                cmnd->resid = be32_to_cpu(fcprsp->rspResId);
@@ -378,7 +387,7 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
         */
        } else if ((scsi_status == SAM_STAT_GOOD) && fcpi_parm &&
                        (cmnd->sc_data_direction == DMA_FROM_DEVICE)) {
-                lpfc_printf_log(phba, KERN_WARNING, LOG_FCP,
+                lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_FCP_ERROR,
                        "%d:0734 FCP Read Check Error Data: "
                        "x%x x%x x%x x%x\n", phba->brd_no,
                        be32_to_cpu(fcpcmd->fcpDl),
@@ -670,6 +679,9 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba,
        struct lpfc_iocbq *iocbqrsp;
        int ret;
+        if (!rdata->pnode)
+                return FAILED;
        lpfc_cmd->rdata = rdata;
        ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, lun,
                                           FCP_TARGET_RESET);
@@ -976,20 +988,34 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
        lpfc_block_error_handler(cmnd);
        spin_lock_irq(shost->host_lock);
+        loopcnt = 0;
        /*
         * If target is not in a MAPPED state, delay the reset until
         * target is rediscovered or devloss timeout expires.
         */
        while ( 1 ) {
                if (!pnode)
-                        break;
+                        return FAILED;
                if (pnode->nlp_state != NLP_STE_MAPPED_NODE) {
                        spin_unlock_irq(phba->host->host_lock);
                        schedule_timeout_uninterruptible(msecs_to_jiffies(500));
                        spin_lock_irq(phba->host->host_lock);
+                        loopcnt++;
+                        rdata = cmnd->device->hostdata;
+                        if (!rdata ||
+                                (loopcnt > ((phba->cfg_devloss_tmo * 2) + 1))) {
+                                lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
+                                        "%d:0721 LUN Reset rport failure:"
+                                        " cnt x%x rdata x%p\n",
+                                        phba->brd_no, loopcnt, rdata);
+                                goto out;
+                        }
+                        pnode = rdata->pnode;
+                        if (!pnode)
+                                return FAILED;
                }
-                if ((pnode) && (pnode->nlp_state == NLP_STE_MAPPED_NODE))
+                if (pnode->nlp_state == NLP_STE_MAPPED_NODE)
                        break;
        }
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 582f5ea4e84e..a4128e19338a 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -117,6 +117,10 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
        case CMD_FCP_IREAD_CX:
        case CMD_FCP_ICMND_CR:
        case CMD_FCP_ICMND_CX:
+        case CMD_FCP_TSEND_CX:
+        case CMD_FCP_TRSP_CX:
+        case CMD_FCP_TRECEIVE_CX:
+        case CMD_FCP_AUTO_TRSP_CX:
        case CMD_ADAPTER_MSG:
        case CMD_ADAPTER_DUMP:
        case CMD_XMIT_SEQUENCE64_CR:
@@ -131,6 +135,9 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
        case CMD_FCP_IREAD64_CX:
        case CMD_FCP_ICMND64_CR:
        case CMD_FCP_ICMND64_CX:
+        case CMD_FCP_TSEND64_CX:
+        case CMD_FCP_TRSP64_CX:
+        case CMD_FCP_TRECEIVE64_CX:
        case CMD_GEN_REQUEST64_CR:
        case CMD_GEN_REQUEST64_CX:
        case CMD_XMIT_ELS_RSP64_CX:
@@ -1098,6 +1105,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
                lpfc_sli_pcimem_bcopy((uint32_t *) entry,
                                      (uint32_t *) &rspiocbq.iocb,
                                      sizeof (IOCB_t));
+                INIT_LIST_HEAD(&(rspiocbq.list));
                irsp = &rspiocbq.iocb;
                type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
@@ -1149,6 +1157,11 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
                                }
                        }
                        break;
+                case LPFC_UNSOL_IOCB:
+                        spin_unlock_irqrestore(phba->host->host_lock, iflag);
+                        lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq);
+                        spin_lock_irqsave(phba->host->host_lock, iflag);
+                        break;
                default:
                        if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
                                char adaptermsg[LPFC_MAX_ADPTMSG];
@@ -2472,13 +2485,17 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba)
        psli = &phba->sli;
        /* Adjust cmd/rsp ring iocb entries more evenly */
+        /* Take some away from the FCP ring */
        pring = &psli->ring[psli->fcp_ring];
        pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES;
        pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES;
        pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES;
        pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES;
-        pring = &psli->ring[1];
+        /* and give them to the extra ring */
+        pring = &psli->ring[psli->extra_ring];
        pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES;
        pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES;
        pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES;
@@ -2488,8 +2505,8 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba)
        pring->iotag_max = 4096;
        pring->num_mask = 1;
        pring->prt[0].profile = 0;      /* Mask 0 */
-        pring->prt[0].rctl = FC_UNSOL_DATA;
+        pring->prt[0].rctl = phba->cfg_multi_ring_rctl;
-        pring->prt[0].type = 5;
+        pring->prt[0].type = phba->cfg_multi_ring_type;
        pring->prt[0].lpfc_sli_rcv_unsol_event = NULL;
        return 0;
 }
@@ -2505,7 +2522,7 @@ lpfc_sli_setup(struct lpfc_hba *phba)
        psli->sli_flag = 0;
        psli->fcp_ring = LPFC_FCP_RING;
        psli->next_ring = LPFC_FCP_NEXT_RING;
-        psli->ip_ring = LPFC_IP_RING;
+        psli->extra_ring = LPFC_EXTRA_RING;
        psli->iocbq_lookup = NULL;
        psli->iocbq_lookup_len = 0;
@@ -2528,7 +2545,7 @@ lpfc_sli_setup(struct lpfc_hba *phba)
                        pring->fast_iotag = pring->iotag_max;
                        pring->num_mask = 0;
                        break;
-                case LPFC_IP_RING:      /* ring 1 - IP */
+                case LPFC_EXTRA_RING:   /* ring 1 - EXTRA */
                        /* numCiocb and numRiocb are used in config_port */
                        pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES;
                        pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES;
@@ -3238,6 +3255,21 @@ lpfc_intr_handler(int irq, void *dev_id)
                lpfc_sli_handle_fast_ring_event(phba,
                                                &phba->sli.ring[LPFC_FCP_RING],
                                                status);
+        if (phba->cfg_multi_ring_support == 2) {
+                /*
+                 * Process all events on extra ring.  Take the optimized path
+                 * for extra ring IO.  Any other IO is slow path and is handled
+                 * by the worker thread.
+                 */
+                status = (ha_copy & (HA_RXMASK  << (4*LPFC_EXTRA_RING)));
+                status >>= (4*LPFC_EXTRA_RING);
+                if (status & HA_RXATT) {
+                        lpfc_sli_handle_fast_ring_event(phba,
+                                        &phba->sli.ring[LPFC_EXTRA_RING],
+                                        status);
+                }
+        }
        return IRQ_HANDLED;
 } /* lpfc_intr_handler */
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index e26de6809358..a43549959dc7 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -198,7 +198,7 @@ struct lpfc_sli {
        int fcp_ring;           /* ring used for FCP initiator commands */
        int next_ring;
-        int ip_ring;            /* ring used for IP network drv cmds */
+        int extra_ring;         /* extra ring used for other protocols */
        struct lpfc_sli_stat slistat;   /* SLI statistical info */
        struct list_head mboxq;
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index ac417908b407..a61ef3d1e7f1 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
 * included with this package.                                     *
 *******************************************************************/
-#define LPFC_DRIVER_VERSION "8.1.10"
+#define LPFC_DRIVER_VERSION "8.1.11"
 #define LPFC_DRIVER_NAME "lpfc"
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 86099fde1b2a..77d9d3804ccf 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -73,10 +73,10 @@ static unsigned short int max_mbox_busy_wait = MBOX_BUSY_WAIT;
 module_param(max_mbox_busy_wait, ushort, 0);
 MODULE_PARM_DESC(max_mbox_busy_wait, "Maximum wait for mailbox in microseconds if busy (default=MBOX_BUSY_WAIT=10)");
-#define RDINDOOR(adapter)               readl((adapter)->base + 0x20)
+#define RDINDOOR(adapter)       readl((adapter)->mmio_base + 0x20)
-#define RDOUTDOOR(adapter)              readl((adapter)->base + 0x2C)
+#define RDOUTDOOR(adapter)      readl((adapter)->mmio_base + 0x2C)
-#define WRINDOOR(adapter,value)         writel(value, (adapter)->base + 0x20)
+#define WRINDOOR(adapter,value)  writel(value, (adapter)->mmio_base + 0x20)
-#define WROUTDOOR(adapter,value)        writel(value, (adapter)->base + 0x2C)
+#define WROUTDOOR(adapter,value) writel(value, (adapter)->mmio_base + 0x2C)
 /*
 * Global variables
@@ -1386,7 +1386,8 @@ megaraid_isr_memmapped(int irq, void *devp)
                handled = 1;
-                while( RDINDOOR(adapter) & 0x02 ) cpu_relax();
+                while( RDINDOOR(adapter) & 0x02 )
+                        cpu_relax();
                mega_cmd_done(adapter, completed, nstatus, status);
@@ -4668,6 +4669,8 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
                host->host_no, mega_baseport, irq);
        adapter->base = mega_baseport;
+        if (flag & BOARD_MEMMAP)
+                adapter->mmio_base = (void __iomem *) mega_baseport;
        INIT_LIST_HEAD(&adapter->free_list);
        INIT_LIST_HEAD(&adapter->pending_list);
diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h
index 66529f11d23c..c6e74643abe2 100644
--- a/drivers/scsi/megaraid.h
+++ b/drivers/scsi/megaraid.h
@@ -801,7 +801,8 @@ typedef struct {
                                   clustering is available */
        u32     flag;
-        unsigned long   base;
+        unsigned long           base;
+        void __iomem            *mmio_base;
        /* mbox64 with mbox not aligned on 16-byte boundry */
        mbox64_t        *una_mbox64;
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index 7e4262f2af96..046223b4ae57 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -517,7 +517,7 @@ megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp,
 * Returns the number of frames required for numnber of sge's (sge_count)
 */
-u32 megasas_get_frame_count(u8 sge_count)
+static u32 megasas_get_frame_count(u8 sge_count)
 {
        int num_cnt;
        int sge_bytes;
@@ -1733,7 +1733,7 @@ megasas_get_ctrl_info(struct megasas_instance *instance,
 *
 * Tasklet to complete cmds
 */
-void megasas_complete_cmd_dpc(unsigned long instance_addr)
+static void megasas_complete_cmd_dpc(unsigned long instance_addr)
 {
        u32 producer;
        u32 consumer;
diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c
index adb8eb4f5fd1..bbf521cbc55d 100644
--- a/drivers/scsi/ncr53c8xx.c
+++ b/drivers/scsi/ncr53c8xx.c
@@ -589,10 +589,12 @@ static int __map_scsi_sg_data(struct device *dev, struct scsi_cmnd *cmd)
 static struct ncr_driver_setup
        driver_setup                    = SCSI_NCR_DRIVER_SETUP;
+#ifndef MODULE
 #ifdef  SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT
 static struct ncr_driver_setup
        driver_safe_setup __initdata    = SCSI_NCR_DRIVER_SAFE_SETUP;
 #endif
+#endif /* !MODULE */
 #define initverbose (driver_setup.verbose)
 #define bootverbose (np->verbose)
@@ -641,6 +643,13 @@ static struct ncr_driver_setup
 #define OPT_IARB                26
 #endif
+#ifdef MODULE
+#define ARG_SEP ' '
+#else
+#define ARG_SEP ','
+#endif
+#ifndef MODULE
 static char setup_token[] __initdata = 
        "tags:"   "mpar:"
        "spar:"   "disc:"
@@ -660,12 +669,6 @@ static char setup_token[] __initdata =
 #endif
        ;       /* DONNOT REMOVE THIS ';' */
-#ifdef MODULE
-#define ARG_SEP ' '
-#else
-#define ARG_SEP ','
-#endif
 static int __init get_setup_token(char *p)
 {
        char *cur = setup_token;
@@ -682,7 +685,6 @@ static int __init get_setup_token(char *p)
        return 0;
 }
 static int __init sym53c8xx__setup(char *str)
 {
 #ifdef SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT
@@ -804,6 +806,7 @@ static int __init sym53c8xx__setup(char *str)
 #endif /* SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT */
        return 1;
 }
+#endif /* !MODULE */
 /*===================================================================
 **
@@ -8321,12 +8324,12 @@ char *ncr53c8xx;	/* command line passed by insmod */
 module_param(ncr53c8xx, charp, 0);
 #endif
+#ifndef MODULE
 static int __init ncr53c8xx_setup(char *str)
 {
        return sym53c8xx__setup(str);
 }
-#ifndef MODULE
 __setup("ncr53c8xx=", ncr53c8xx_setup);
 #endif
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 285c8e8ff1a0..7b18a6c7b7eb 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -390,7 +390,7 @@ static struct sysfs_entry {
        { "optrom_ctl", &sysfs_optrom_ctl_attr, },
        { "vpd", &sysfs_vpd_attr, 1 },
        { "sfp", &sysfs_sfp_attr, 1 },
-        { 0 },
+        { NULL },
 };
 void
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 08cb5e3fb553..a823f0bc519d 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -59,9 +59,6 @@ int
 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
 {
        int     rval;
-        uint8_t restart_risc = 0;
-        uint8_t retry;
-        uint32_t wait_time;
        /* Clear adapter flags. */
        ha->flags.online = 0;
@@ -104,87 +101,15 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
        qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
-        retry = 10;
+        if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
-        /*
+                rval = ha->isp_ops.chip_diag(ha);
-         * Try to configure the loop.
+                if (rval)
-         */
+                        return (rval);
-        do {
+                rval = qla2x00_setup_chip(ha);
-                restart_risc = 0;
+                if (rval)
+                        return (rval);
-                /* If firmware needs to be loaded */
-                if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
-                        if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
-                                rval = qla2x00_setup_chip(ha);
-                        }
-                }
-                if (rval == QLA_SUCCESS &&
-                    (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
-check_fw_ready_again:
-                        /*
-                         * Wait for a successful LIP up to a maximum
-                         * of (in seconds): RISC login timeout value,
-                         * RISC retry count value, and port down retry
-                         * value OR a minimum of 4 seconds OR If no
-                         * cable, only 5 seconds.
-                         */
-                        rval = qla2x00_fw_ready(ha);
-                        if (rval == QLA_SUCCESS) {
-                                clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
-                                /* Issue a marker after FW becomes ready. */
-                                qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
-                                /*
-                                 * Wait at most MAX_TARGET RSCNs for a stable
-                                 * link.
-                                 */
-                                wait_time = 256;
-                                do {
-                                        clear_bit(LOOP_RESYNC_NEEDED,
-                                            &ha->dpc_flags);
-                                        rval = qla2x00_configure_loop(ha);
-                                        if (test_and_clear_bit(ISP_ABORT_NEEDED,
-                                            &ha->dpc_flags)) {
-                                                restart_risc = 1;
-                                                break;
-                                        }
-                                        /*
-                                         * If loop state change while we were
-                                         * discoverying devices then wait for
-                                         * LIP to complete
-                                         */
-                                        if (atomic_read(&ha->loop_state) !=
-                                            LOOP_READY && retry--) {
-                                                goto check_fw_ready_again;
-                                        }
-                                        wait_time--;
-                                } while (!atomic_read(&ha->loop_down_timer) &&
-                                    retry &&
-                                    wait_time &&
-                                    (test_bit(LOOP_RESYNC_NEEDED,
-                                        &ha->dpc_flags)));
-                                if (wait_time == 0)
-                                        rval = QLA_FUNCTION_FAILED;
-                        } else if (ha->device_flags & DFLG_NO_CABLE)
-                                /* If no cable, then all is good. */
-                                rval = QLA_SUCCESS;
-                }
-        } while (restart_risc && retry--);
-        if (rval == QLA_SUCCESS) {
-                clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
-                qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
-                ha->marker_needed = 0;
-                ha->flags.online = 1;
-        } else {
-                DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
        }
+        rval = qla2x00_init_rings(ha);
        return (rval);
 }
@@ -2208,8 +2133,7 @@ qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
        atomic_set(&fcport->state, FCS_ONLINE);
-        if (ha->flags.init_done)
+        qla2x00_reg_remote_port(ha, fcport);
-                qla2x00_reg_remote_port(ha, fcport);
 }
 void
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 208607be78c7..cbe0cad83b68 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -95,6 +95,8 @@ MODULE_PARM_DESC(ql2xqfullrampup,
 */
 static int qla2xxx_slave_configure(struct scsi_device * device);
 static int qla2xxx_slave_alloc(struct scsi_device *);
+static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
+static void qla2xxx_scan_start(struct Scsi_Host *);
 static void qla2xxx_slave_destroy(struct scsi_device *);
 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
                void (*fn)(struct scsi_cmnd *));
@@ -124,6 +126,8 @@ static struct scsi_host_template qla2x00_driver_template = {
        .slave_alloc            = qla2xxx_slave_alloc,
        .slave_destroy          = qla2xxx_slave_destroy,
+        .scan_finished          = qla2xxx_scan_finished,
+        .scan_start             = qla2xxx_scan_start,
        .change_queue_depth     = qla2x00_change_queue_depth,
        .change_queue_type      = qla2x00_change_queue_type,
        .this_id                = -1,
@@ -287,7 +291,7 @@ qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
        return str;
 }
-char *
+static char *
 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
 {
        char un_str[10];
@@ -325,7 +329,7 @@ qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
        return (str);
 }
-char *
+static char *
 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
 {
        sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
@@ -634,7 +638,7 @@ qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 * Note:
 *    Only return FAILED if command not returned by firmware.
 **************************************************************************/
-int
+static int
 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 {
        scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
@@ -771,7 +775,7 @@ qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 *
 **************************************************************************/
-int
+static int
 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 {
        scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
@@ -902,7 +906,7 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 *
 **************************************************************************/
-int
+static int
 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 {
        scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
@@ -963,7 +967,7 @@ eh_bus_reset_done:
 *
 * Note:
 **************************************************************************/
-int
+static int
 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 {
        scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
@@ -1366,6 +1370,29 @@ qla24xx_disable_intrs(scsi_qla_host_t *ha)
        spin_unlock_irqrestore(&ha->hardware_lock, flags);
 }
+static void
+qla2xxx_scan_start(struct Scsi_Host *shost)
+{
+        scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata;
+        set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
+        set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
+        set_bit(RSCN_UPDATE, &ha->dpc_flags);
+}
+static int
+qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
+{
+        scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata;
+        if (!ha->host)
+                return 1;
+        if (time > ha->loop_reset_delay * HZ)
+                return 1;
+        return atomic_read(&ha->loop_state) == LOOP_READY;
+}
 /*
 * PCI driver interface
 */
@@ -1377,10 +1404,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
        struct Scsi_Host *host;
        scsi_qla_host_t *ha;
        unsigned long   flags = 0;
-        unsigned long   wait_switch = 0;
        char pci_info[20];
        char fw_str[30];
-        fc_port_t *fcport;
        struct scsi_host_template *sht;
        if (pci_enable_device(pdev))
@@ -1631,30 +1656,19 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
        ha->isp_ops.enable_intrs(ha);
-        /* v2.19.5b6 */
-        /*
-         * Wait around max loop_reset_delay secs for the devices to come
-         * on-line. We don't want Linux scanning before we are ready.
-         *
-         */
-        for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
-            time_before(jiffies,wait_switch) &&
-             !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
-             && (ha->device_flags & SWITCH_FOUND) ;) {
-                qla2x00_check_fabric_devices(ha);
-                msleep(10);
-        }
        pci_set_drvdata(pdev, ha);
        ha->flags.init_done = 1;
+        ha->flags.online = 1;
        num_hosts++;
        ret = scsi_add_host(host, &pdev->dev);
        if (ret)
                goto probe_failed;
+        scsi_scan_host(host);
        qla2x00_alloc_sysfs_attr(ha);
        qla2x00_init_host_attr(ha);
@@ -1669,10 +1683,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
            ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
            ha->isp_ops.fw_version_str(ha, fw_str));
-        /* Go with fc_rport registration. */
-        list_for_each_entry(fcport, &ha->fcports, list)
-                qla2x00_reg_remote_port(ha, fcport);
        return 0;
 probe_failed:
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index c71dbd5bd543..15390ad87456 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -449,7 +449,7 @@ nvram_data_to_access_addr(uint32_t naddr)
        return FARX_ACCESS_NVRAM_DATA | naddr;
 }
-uint32_t
+static uint32_t
 qla24xx_read_flash_dword(scsi_qla_host_t *ha, uint32_t addr)
 {
        int rval;
@@ -490,7 +490,7 @@ qla24xx_read_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
        return dwptr;
 }
-int
+static int
 qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data)
 {
        int rval;
@@ -512,7 +512,7 @@ qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data)
        return rval;
 }
-void
+static void
 qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
    uint8_t *flash_id)
 {
@@ -537,7 +537,7 @@ qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
        }
 }
-int
+static int
 qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
    uint32_t dwords)
 {
diff --git a/drivers/scsi/qla4xxx/ql4_dbg.c b/drivers/scsi/qla4xxx/ql4_dbg.c
index 752031fadfef..7b4e077a39c1 100644
--- a/drivers/scsi/qla4xxx/ql4_dbg.c
+++ b/drivers/scsi/qla4xxx/ql4_dbg.c
@@ -71,7 +71,7 @@ void __dump_registers(struct scsi_qla_host *ha)
                       readw(&ha->reg->u1.isp4010.nvram));
        }
-        else if (is_qla4022(ha)) {
+        else if (is_qla4022(ha) | is_qla4032(ha)) {
                printk(KERN_INFO "0x%02X intr_mask       = 0x%08X\n",
                       (uint8_t) offsetof(struct isp_reg,
                                          u1.isp4022.intr_mask),
@@ -119,7 +119,7 @@ void __dump_registers(struct scsi_qla_host *ha)
                       readw(&ha->reg->u2.isp4010.port_err_status));
        }
-        else if (is_qla4022(ha)) {
+        else if (is_qla4022(ha) | is_qla4032(ha)) {
                printk(KERN_INFO "Page 0 Registers:\n");
                printk(KERN_INFO "0x%02X ext_hw_conf     = 0x%08X\n",
                       (uint8_t) offsetof(struct isp_reg,
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index a7f6c7b1c590..4249e52a5592 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -40,7 +40,11 @@
 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4022
 #define PCI_DEVICE_ID_QLOGIC_ISP4022    0x4022
-#endif                          /*  */
+#endif
+#ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
+#define PCI_DEVICE_ID_QLOGIC_ISP4032    0x4032
+#endif
 #define QLA_SUCCESS                     0
 #define QLA_ERROR                       1
@@ -277,7 +281,6 @@ struct scsi_qla_host {
 #define AF_INTERRUPTS_ON              6 /* 0x00000040 Not Used */
 #define AF_GET_CRASH_RECORD           7 /* 0x00000080 */
 #define AF_LINK_UP                    8 /* 0x00000100 */
-#define AF_TOPCAT_CHIP_PRESENT        9 /* 0x00000200 */
 #define AF_IRQ_ATTACHED              10 /* 0x00000400 */
 #define AF_ISNS_CMD_IN_PROCESS       12 /* 0x00001000 */
 #define AF_ISNS_CMD_DONE             13 /* 0x00002000 */
@@ -317,16 +320,17 @@ struct scsi_qla_host {
        /* NVRAM registers */
        struct eeprom_data *nvram;
        spinlock_t hardware_lock ____cacheline_aligned;
-        spinlock_t list_lock;
        uint32_t   eeprom_cmd_data;
        /* Counters for general statistics */
+        uint64_t isr_count;
        uint64_t adapter_error_count;
        uint64_t device_error_count;
        uint64_t total_io_count;
        uint64_t total_mbytes_xferred;
        uint64_t link_failure_count;
        uint64_t invalid_crc_count;
+        uint32_t bytes_xfered;
        uint32_t spurious_int_count;
        uint32_t aborted_io_count;
        uint32_t io_timeout_count;
@@ -438,6 +442,11 @@ static inline int is_qla4022(struct scsi_qla_host *ha)
        return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
 }
+static inline int is_qla4032(struct scsi_qla_host *ha)
+{
+        return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
+}
 static inline int adapter_up(struct scsi_qla_host *ha)
 {
        return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
@@ -451,58 +460,58 @@ static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
 static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
 {
-        return (is_qla4022(ha) ?
+        return (is_qla4010(ha) ?
-                &ha->reg->u1.isp4022.semaphore :
+                &ha->reg->u1.isp4010.nvram :
-                &ha->reg->u1.isp4010.nvram);
+                &ha->reg->u1.isp4022.semaphore);
 }
 static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
 {
-        return (is_qla4022(ha) ?
+        return (is_qla4010(ha) ?
-                &ha->reg->u1.isp4022.nvram :
+                &ha->reg->u1.isp4010.nvram :
-                &ha->reg->u1.isp4010.nvram);
+                &ha->reg->u1.isp4022.nvram);
 }
 static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
 {
-        return (is_qla4022(ha) ?
+        return (is_qla4010(ha) ?
-                &ha->reg->u2.isp4022.p0.ext_hw_conf :
+                &ha->reg->u2.isp4010.ext_hw_conf :
-                &ha->reg->u2.isp4010.ext_hw_conf);
+                &ha->reg->u2.isp4022.p0.ext_hw_conf);
 }
 static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
 {
-        return (is_qla4022(ha) ?
+        return (is_qla4010(ha) ?
-                &ha->reg->u2.isp4022.p0.port_status :
+                &ha->reg->u2.isp4010.port_status :
-                &ha->reg->u2.isp4010.port_status);
+                &ha->reg->u2.isp4022.p0.port_status);
 }
 static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
 {
-        return (is_qla4022(ha) ?
+        return (is_qla4010(ha) ?
-                &ha->reg->u2.isp4022.p0.port_ctrl :
+                &ha->reg->u2.isp4010.port_ctrl :
-                &ha->reg->u2.isp4010.port_ctrl);
+                &ha->reg->u2.isp4022.p0.port_ctrl);
 }
 static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
 {
-        return (is_qla4022(ha) ?
+        return (is_qla4010(ha) ?
-                &ha->reg->u2.isp4022.p0.port_err_status :
+                &ha->reg->u2.isp4010.port_err_status :
-                &ha->reg->u2.isp4010.port_err_status);
+                &ha->reg->u2.isp4022.p0.port_err_status);
 }
 static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
 {
-        return (is_qla4022(ha) ?
+        return (is_qla4010(ha) ?
-                &ha->reg->u2.isp4022.p0.gp_out :
+                &ha->reg->u2.isp4010.gp_out :
-                &ha->reg->u2.isp4010.gp_out);
+                &ha->reg->u2.isp4022.p0.gp_out);
 }
 static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
 {
-        return (is_qla4022(ha) ?
+        return (is_qla4010(ha) ?
-                offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2 :
+                offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
-                offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2);
+                offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
 }
 int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
@@ -511,59 +520,59 @@ int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
 static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
 {
-        if (is_qla4022(a))
+        if (is_qla4010(a))
+                return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
+                                           QL4010_FLASH_SEM_BITS);
+        else
                return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
                                           (QL4022_RESOURCE_BITS_BASE_CODE |
                                            (a->mac_index)) << 13);
-        else
-                return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
-                                           QL4010_FLASH_SEM_BITS);
 }
 static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
 {
-        if (is_qla4022(a))
+        if (is_qla4010(a))
-                ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
-        else
                ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
+        else
+                ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
 }
 static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
 {
-        if (is_qla4022(a))
+        if (is_qla4010(a))
+                return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
+                                           QL4010_NVRAM_SEM_BITS);
+        else
                return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
                                           (QL4022_RESOURCE_BITS_BASE_CODE |
                                            (a->mac_index)) << 10);
-        else
-                return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
-                                           QL4010_NVRAM_SEM_BITS);
 }
 static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
 {
-        if (is_qla4022(a))
+        if (is_qla4010(a))
-                ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
-        else
                ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
+        else
+                ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
 }
 static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
 {
-        if (is_qla4022(a))
+        if (is_qla4010(a))
+                return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
+                                       QL4010_DRVR_SEM_BITS);
+        else
                return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
                                       (QL4022_RESOURCE_BITS_BASE_CODE |
                                        (a->mac_index)) << 1);
-        else
-                return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
-                                       QL4010_DRVR_SEM_BITS);
 }
 static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
 {
-        if (is_qla4022(a))
+        if (is_qla4010(a))
-                ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
-        else
                ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
+        else
+                ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
 }
 /*---------------------------------------------------------------------------*/
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 427489de64bc..4eea8c571916 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -296,7 +296,6 @@ static inline uint32_t clr_rmask(uint32_t val)
 /*  ISP Semaphore definitions */
 /*  ISP General Purpose Output definitions */
-#define GPOR_TOPCAT_RESET                       0x00000004
 /*  shadow registers (DMA'd from HA to system memory.  read only) */
 struct shadow_regs {
@@ -339,10 +338,13 @@ union external_hw_config_reg {
 /*  Mailbox command definitions */
 #define MBOX_CMD_ABOUT_FW                       0x0009
 #define MBOX_CMD_LUN_RESET                      0x0016
+#define MBOX_CMD_GET_MANAGEMENT_DATA            0x001E
 #define MBOX_CMD_GET_FW_STATUS                  0x001F
 #define MBOX_CMD_SET_ISNS_SERVICE               0x0021
 #define ISNS_DISABLE                            0
 #define ISNS_ENABLE                             1
+#define MBOX_CMD_COPY_FLASH                     0x0024
+#define MBOX_CMD_WRITE_FLASH                    0x0025
 #define MBOX_CMD_READ_FLASH                     0x0026
 #define MBOX_CMD_CLEAR_DATABASE_ENTRY           0x0031
 #define MBOX_CMD_CONN_CLOSE_SESS_LOGOUT         0x0056
@@ -360,10 +362,13 @@ union external_hw_config_reg {
 #define DDB_DS_SESSION_FAILED                   0x06
 #define DDB_DS_LOGIN_IN_PROCESS                 0x07
 #define MBOX_CMD_GET_FW_STATE                   0x0069
+#define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK_DEFAULTS 0x006A
+#define MBOX_CMD_RESTORE_FACTORY_DEFAULTS       0x0087
 /* Mailbox 1 */
 #define FW_STATE_READY                          0x0000
 #define FW_STATE_CONFIG_WAIT                    0x0001
+#define FW_STATE_WAIT_LOGIN                     0x0002
 #define FW_STATE_ERROR                          0x0004
 #define FW_STATE_DHCP_IN_PROGRESS               0x0008
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 1b221ff0f6f7..2122967bbf0b 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -8,6 +8,7 @@
 #ifndef __QLA4x_GBL_H
 #define __QLA4x_GBL_H
+int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a);
 int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port);
 int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb);
 int qla4xxx_initialize_adapter(struct scsi_qla_host * ha,
@@ -75,4 +76,4 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host * ha,
 extern int ql4xextended_error_logging;
 extern int ql4xdiscoverywait;
 extern int ql4xdontresethba;
-#endif                          /* _QLA4x_GBL_H */
+#endif /* _QLA4x_GBL_H */
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index bb3a1c11f44c..cc210f297a78 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -259,10 +259,16 @@ static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
                              "seconds expired= %d\n", ha->host_no, __func__,
                              ha->firmware_state, ha->addl_fw_state,
                              timeout_count));
+                if (is_qla4032(ha) &&
+                        !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) &&
+                        (timeout_count < ADAPTER_INIT_TOV - 5)) {
+                        break;
+                }
                msleep(1000);
        }                       /* end of for */
-        if (timeout_count <= 0)
+        if (timeout_count == 0)
                DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n",
                              ha->host_no, __func__));
@@ -806,32 +812,6 @@ int qla4xxx_relogin_device(struct scsi_qla_host *ha,
        return QLA_SUCCESS;
 }
-/**
- * qla4010_get_topcat_presence - check if it is QLA4040 TopCat Chip
- * @ha: Pointer to host adapter structure.
- *
- **/
-static int qla4010_get_topcat_presence(struct scsi_qla_host *ha)
-{
-        unsigned long flags;
-        uint16_t topcat;
-        if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS)
-                return QLA_ERROR;
-        spin_lock_irqsave(&ha->hardware_lock, flags);
-        topcat = rd_nvram_word(ha, offsetof(struct eeprom_data,
-                                            isp4010.topcat));
-        spin_unlock_irqrestore(&ha->hardware_lock, flags);
-        if ((topcat & TOPCAT_MASK) == TOPCAT_PRESENT)
-                set_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags);
-        else
-                clear_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags);
-        ql4xxx_unlock_nvram(ha);
-        return QLA_SUCCESS;
-}
 static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
 {
        unsigned long flags;
@@ -866,7 +846,7 @@ static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
                /* set defaults */
                if (is_qla4010(ha))
                        extHwConfig.Asuint32_t = 0x1912;
-                else if (is_qla4022(ha))
+                else if (is_qla4022(ha) | is_qla4032(ha))
                        extHwConfig.Asuint32_t = 0x0023;
        }
        DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n",
@@ -927,7 +907,7 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
        spin_lock_irqsave(&ha->hardware_lock, flags);
        writel(jiffies, &ha->reg->mailbox[7]);
-        if (is_qla4022(ha))
+        if (is_qla4022(ha) | is_qla4032(ha))
                writel(set_rmask(NVR_WRITE_ENABLE),
                       &ha->reg->u1.isp4022.nvram);
@@ -978,7 +958,7 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
        return status;
 }
-static int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a)
+int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a)
 {
 #define QL4_LOCK_DRVR_WAIT      300
 #define QL4_LOCK_DRVR_SLEEP     100
@@ -1018,12 +998,7 @@ static int qla4xxx_start_firmware(struct scsi_qla_host *ha)
        int soft_reset = 1;
        int config_chip = 0;
-        if (is_qla4010(ha)){
+        if (is_qla4022(ha) | is_qla4032(ha))
-                if (qla4010_get_topcat_presence(ha) != QLA_SUCCESS)
-                        return QLA_ERROR;
-        }
-        if (is_qla4022(ha))
                ql4xxx_set_mac_number(ha);
        if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
diff --git a/drivers/scsi/qla4xxx/ql4_inline.h b/drivers/scsi/qla4xxx/ql4_inline.h
index 0d61797af7da..6375eb017dd3 100644
--- a/drivers/scsi/qla4xxx/ql4_inline.h
+++ b/drivers/scsi/qla4xxx/ql4_inline.h
@@ -38,7 +38,7 @@ qla4xxx_lookup_ddb_by_fw_index(struct scsi_qla_host *ha, uint32_t fw_ddb_index)
 static inline void
 __qla4xxx_enable_intrs(struct scsi_qla_host *ha)
 {
-        if (is_qla4022(ha)) {
+        if (is_qla4022(ha) | is_qla4032(ha)) {
                writel(set_rmask(IMR_SCSI_INTR_ENABLE),
                       &ha->reg->u1.isp4022.intr_mask);
                readl(&ha->reg->u1.isp4022.intr_mask);
@@ -52,7 +52,7 @@ __qla4xxx_enable_intrs(struct scsi_qla_host *ha)
 static inline void
 __qla4xxx_disable_intrs(struct scsi_qla_host *ha)
 {
-        if (is_qla4022(ha)) {
+        if (is_qla4022(ha) | is_qla4032(ha)) {
                writel(clr_rmask(IMR_SCSI_INTR_ENABLE),
                       &ha->reg->u1.isp4022.intr_mask);
                readl(&ha->reg->u1.isp4022.intr_mask);
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index c0a254b89a30..d41ce380eedc 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -294,6 +294,12 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
                        cmd_entry->control_flags = CF_WRITE;
                else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
                        cmd_entry->control_flags = CF_READ;
+                ha->bytes_xfered += cmd->request_bufflen;
+                if (ha->bytes_xfered & ~0xFFFFF){
+                        ha->total_mbytes_xferred += ha->bytes_xfered >> 20;
+                        ha->bytes_xfered &= 0xFFFFF;
+                }
        }
        /* Set tagged queueing control flags */
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index 1e283321a59d..ef975e0dc87f 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -627,6 +627,7 @@ irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id)
        spin_lock_irqsave(&ha->hardware_lock, flags);
+        ha->isr_count++;
        /*
         * Repeatedly service interrupts up to a maximum of
         * MAX_REQS_SERVICED_PER_INTR
diff --git a/drivers/scsi/qla4xxx/ql4_nvram.c b/drivers/scsi/qla4xxx/ql4_nvram.c
index e3957ca5b645..58afd135aa1d 100644
--- a/drivers/scsi/qla4xxx/ql4_nvram.c
+++ b/drivers/scsi/qla4xxx/ql4_nvram.c
@@ -7,15 +7,22 @@
 #include "ql4_def.h"
+static inline void eeprom_cmd(uint32_t cmd, struct scsi_qla_host *ha)
+{
+        writel(cmd, isp_nvram(ha));
+        readl(isp_nvram(ha));
+        udelay(1);
+}
 static inline int eeprom_size(struct scsi_qla_host *ha)
 {
-        return is_qla4022(ha) ? FM93C86A_SIZE_16 : FM93C66A_SIZE_16;
+        return is_qla4010(ha) ? FM93C66A_SIZE_16 : FM93C86A_SIZE_16;
 }
 static inline int eeprom_no_addr_bits(struct scsi_qla_host *ha)
 {
-        return is_qla4022(ha) ? FM93C86A_NO_ADDR_BITS_16 :
+        return is_qla4010(ha) ? FM93C56A_NO_ADDR_BITS_16 :
-                FM93C56A_NO_ADDR_BITS_16;
+                FM93C86A_NO_ADDR_BITS_16 ;
 }
 static inline int eeprom_no_data_bits(struct scsi_qla_host *ha)
@@ -28,8 +35,7 @@ static int fm93c56a_select(struct scsi_qla_host * ha)
        DEBUG5(printk(KERN_ERR "fm93c56a_select:\n"));
        ha->eeprom_cmd_data = AUBURN_EEPROM_CS_1 | 0x000f0000;
-        writel(ha->eeprom_cmd_data, isp_nvram(ha));
+        eeprom_cmd(ha->eeprom_cmd_data, ha);
-        readl(isp_nvram(ha));
        return 1;
 }
@@ -41,12 +47,13 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr)
        int previousBit;
        /* Clock in a zero, then do the start bit. */
-        writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1, isp_nvram(ha));
+        eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1, ha);
-        writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
-               AUBURN_EEPROM_CLK_RISE, isp_nvram(ha));
+        eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
-        writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
+               AUBURN_EEPROM_CLK_RISE, ha);
-               AUBURN_EEPROM_CLK_FALL, isp_nvram(ha));
+        eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 |
-        readl(isp_nvram(ha));
+               AUBURN_EEPROM_CLK_FALL, ha);
        mask = 1 << (FM93C56A_CMD_BITS - 1);
        /* Force the previous data bit to be different. */
@@ -60,14 +67,14 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr)
                         * If the bit changed, then change the DO state to
                         * match.
                         */
-                        writel(ha->eeprom_cmd_data | dataBit, isp_nvram(ha));
+                        eeprom_cmd(ha->eeprom_cmd_data | dataBit, ha);
                        previousBit = dataBit;
                }
-                writel(ha->eeprom_cmd_data | dataBit |
+                eeprom_cmd(ha->eeprom_cmd_data | dataBit |
-                       AUBURN_EEPROM_CLK_RISE, isp_nvram(ha));
+                       AUBURN_EEPROM_CLK_RISE, ha);
-                writel(ha->eeprom_cmd_data | dataBit |
+                eeprom_cmd(ha->eeprom_cmd_data | dataBit |
-                       AUBURN_EEPROM_CLK_FALL, isp_nvram(ha));
+                       AUBURN_EEPROM_CLK_FALL, ha);
-                readl(isp_nvram(ha));
                cmd = cmd << 1;
        }
        mask = 1 << (eeprom_no_addr_bits(ha) - 1);
@@ -82,14 +89,15 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr)
                         * If the bit changed, then change the DO state to
                         * match.
                         */
-                        writel(ha->eeprom_cmd_data | dataBit, isp_nvram(ha));
+                        eeprom_cmd(ha->eeprom_cmd_data | dataBit, ha);
                        previousBit = dataBit;
                }
-                writel(ha->eeprom_cmd_data | dataBit |
+                eeprom_cmd(ha->eeprom_cmd_data | dataBit |
-                       AUBURN_EEPROM_CLK_RISE, isp_nvram(ha));
+                       AUBURN_EEPROM_CLK_RISE, ha);
-                writel(ha->eeprom_cmd_data | dataBit |
+                eeprom_cmd(ha->eeprom_cmd_data | dataBit |
-                       AUBURN_EEPROM_CLK_FALL, isp_nvram(ha));
+                       AUBURN_EEPROM_CLK_FALL, ha);
-                readl(isp_nvram(ha));
                addr = addr << 1;
        }
        return 1;
@@ -98,8 +106,7 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr)
 static int fm93c56a_deselect(struct scsi_qla_host * ha)
 {
        ha->eeprom_cmd_data = AUBURN_EEPROM_CS_0 | 0x000f0000;
-        writel(ha->eeprom_cmd_data, isp_nvram(ha));
+        eeprom_cmd(ha->eeprom_cmd_data, ha);
-        readl(isp_nvram(ha));
        return 1;
 }
@@ -112,12 +119,13 @@ static int fm93c56a_datain(struct scsi_qla_host * ha, unsigned short *value)
        /* Read the data bits
         * The first bit is a dummy.  Clock right over it. */
        for (i = 0; i < eeprom_no_data_bits(ha); i++) {
-                writel(ha->eeprom_cmd_data |
+                eeprom_cmd(ha->eeprom_cmd_data |
-                       AUBURN_EEPROM_CLK_RISE, isp_nvram(ha));
+                       AUBURN_EEPROM_CLK_RISE, ha);
-                writel(ha->eeprom_cmd_data |
+                eeprom_cmd(ha->eeprom_cmd_data |
-                       AUBURN_EEPROM_CLK_FALL, isp_nvram(ha));
+                       AUBURN_EEPROM_CLK_FALL, ha);
-                dataBit =
-                        (readw(isp_nvram(ha)) & AUBURN_EEPROM_DI_1) ? 1 : 0;
+                dataBit = (readw(isp_nvram(ha)) & AUBURN_EEPROM_DI_1) ? 1 : 0;
                data = (data << 1) | dataBit;
        }
diff --git a/drivers/scsi/qla4xxx/ql4_nvram.h b/drivers/scsi/qla4xxx/ql4_nvram.h
index 08e2aed8c6cc..b47b4fc59d83 100644
--- a/drivers/scsi/qla4xxx/ql4_nvram.h
+++ b/drivers/scsi/qla4xxx/ql4_nvram.h
@@ -134,9 +134,7 @@ struct eeprom_data {
                        u16 phyConfig;  /* x36 */
 #define  PHY_CONFIG_PHY_ADDR_MASK             0x1f
 #define  PHY_CONFIG_ENABLE_FW_MANAGEMENT_MASK 0x20
-                        u16 topcat;     /* x38 */
+                        u16 reserved_56;        /* x38 */
-#define TOPCAT_PRESENT          0x0100
-#define TOPCAT_MASK             0xFF00
 #define EEPROM_UNUSED_1_SIZE   2
                        u8 unused_1[EEPROM_UNUSED_1_SIZE]; /* x3A */
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 5b8db6109536..db9d88e7bee7 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -708,10 +708,10 @@ static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
 }
 /**
- * qla4010_soft_reset - performs soft reset.
+ * qla4xxx_soft_reset - performs soft reset.
 * @ha: Pointer to host adapter structure.
 **/
-static int qla4010_soft_reset(struct scsi_qla_host *ha)
+int qla4xxx_soft_reset(struct scsi_qla_host *ha)
 {
        uint32_t max_wait_time;
        unsigned long flags = 0;
@@ -817,29 +817,6 @@ static int qla4010_soft_reset(struct scsi_qla_host *ha)
 }
 /**
- * qla4xxx_topcat_reset - performs hard reset of TopCat Chip.
- * @ha: Pointer to host adapter structure.
- **/
-static int qla4xxx_topcat_reset(struct scsi_qla_host *ha)
-{
-        unsigned long flags;
-        ql4xxx_lock_nvram(ha);
-        spin_lock_irqsave(&ha->hardware_lock, flags);
-        writel(set_rmask(GPOR_TOPCAT_RESET), isp_gp_out(ha));
-        readl(isp_gp_out(ha));
-        mdelay(1);
-        writel(clr_rmask(GPOR_TOPCAT_RESET), isp_gp_out(ha));
-        readl(isp_gp_out(ha));
-        spin_unlock_irqrestore(&ha->hardware_lock, flags);
-        mdelay(2523);
-        ql4xxx_unlock_nvram(ha);
-        return QLA_SUCCESS;
-}
-/**
 * qla4xxx_flush_active_srbs - returns all outstanding i/o requests to O.S.
 * @ha: Pointer to host adapter structure.
 *
@@ -867,26 +844,6 @@ static void qla4xxx_flush_active_srbs(struct scsi_qla_host *ha)
 }
 /**
- * qla4xxx_hard_reset - performs HBA Hard Reset
- * @ha: Pointer to host adapter structure.
- **/
-static int qla4xxx_hard_reset(struct scsi_qla_host *ha)
-{
-        /* The QLA4010 really doesn't have an equivalent to a hard reset */
-        qla4xxx_flush_active_srbs(ha);
-        if (test_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags)) {
-                int status = QLA_ERROR;
-                if ((qla4010_soft_reset(ha) == QLA_SUCCESS) &&
-                    (qla4xxx_topcat_reset(ha) == QLA_SUCCESS) &&
-                    (qla4010_soft_reset(ha) == QLA_SUCCESS))
-                        status = QLA_SUCCESS;
-                return status;
-        } else
-                return qla4010_soft_reset(ha);
-}
-/**
 * qla4xxx_recover_adapter - recovers adapter after a fatal error
 * @ha: Pointer to host adapter structure.
 * @renew_ddb_list: Indicates what to do with the adapter's ddb list
@@ -919,18 +876,11 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha,
        if (status == QLA_SUCCESS) {
                DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n",
                              ha->host_no, __func__));
-                status = qla4xxx_soft_reset(ha);
+                qla4xxx_flush_active_srbs(ha);
-        }
+                if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
-        /* FIXMEkaren: Do we want to keep interrupts enabled and process
+                        status = qla4xxx_soft_reset(ha);
-           AENs after soft reset */
+                else
+                        status = QLA_ERROR;
-        /* If firmware (SOFT) reset failed, or if all outstanding
-         * commands have not returned, then do a HARD reset.
-         */
-        if (status == QLA_ERROR) {
-                DEBUG2(printk("scsi%ld: %s - Performing hard reset..\n",
-                              ha->host_no, __func__));
-                status = qla4xxx_hard_reset(ha);
        }
        /* Flush any pending ddb changed AENs */
@@ -1016,13 +966,9 @@ static void qla4xxx_do_dpc(void *data)
        struct scsi_qla_host *ha = (struct scsi_qla_host *) data;
        struct ddb_entry *ddb_entry, *dtemp;
-        DEBUG2(printk("scsi%ld: %s: DPC handler waking up.\n",
+        DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
-                      ha->host_no, __func__));
+                "flags = 0x%08lx, dpc_flags = 0x%08lx\n",
+                ha->host_no, __func__, ha->flags, ha->dpc_flags));
-        DEBUG2(printk("scsi%ld: %s: ha->flags = 0x%08lx\n",
-                      ha->host_no, __func__, ha->flags));
-        DEBUG2(printk("scsi%ld: %s: ha->dpc_flags = 0x%08lx\n",
-                      ha->host_no, __func__, ha->dpc_flags));
        /* Initialization not yet finished. Don't do anything yet. */
        if (!test_bit(AF_INIT_DONE, &ha->flags))
@@ -1032,16 +978,8 @@ static void qla4xxx_do_dpc(void *data)
            test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
            test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
            test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags)) {
-                if (test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags))
+                if (test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags) ||
-                        /*
+                        test_bit(DPC_RESET_HA, &ha->dpc_flags))
-                         * dg 09/23 Never initialize ddb list
-                         * once we up and running
-                         * qla4xxx_recover_adapter(ha,
-                         *    REBUILD_DDB_LIST);
-                         */
-                        qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST);
-                if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
                        qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST);
                if (test_and_clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
@@ -1122,7 +1060,8 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
                destroy_workqueue(ha->dpc_thread);
        /* Issue Soft Reset to put firmware in unknown state */
-        qla4xxx_soft_reset(ha);
+        if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
+                qla4xxx_soft_reset(ha);
        /* Remove timer thread, if present */
        if (ha->timer_active)
@@ -1261,7 +1200,6 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
        init_waitqueue_head(&ha->mailbox_wait_queue);
        spin_lock_init(&ha->hardware_lock);
-        spin_lock_init(&ha->list_lock);
        /* Allocate dma buffers */
        if (qla4xxx_mem_alloc(ha)) {
@@ -1468,27 +1406,6 @@ struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t in
 }
 /**
- * qla4xxx_soft_reset - performs a SOFT RESET of hba.
- * @ha: Pointer to host adapter structure.
- **/
-int qla4xxx_soft_reset(struct scsi_qla_host *ha)
-{
-        DEBUG2(printk(KERN_WARNING "scsi%ld: %s: chip reset!\n", ha->host_no,
-                      __func__));
-        if (test_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags)) {
-                int status = QLA_ERROR;
-                if ((qla4010_soft_reset(ha) == QLA_SUCCESS) &&
-                    (qla4xxx_topcat_reset(ha) == QLA_SUCCESS) &&
-                    (qla4010_soft_reset(ha) == QLA_SUCCESS) )
-                        status = QLA_SUCCESS;
-                return status;
-        } else
-                return qla4010_soft_reset(ha);
-}
-/**
 * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware
 * @ha: actual ha whose done queue will contain the comd returned by firmware.
 * @cmd: Scsi Command to wait on.
@@ -1686,6 +1603,12 @@ static struct pci_device_id qla4xxx_pci_tbl[] = {
                .subvendor      = PCI_ANY_ID,
                .subdevice      = PCI_ANY_ID,
        },
+        {
+                .vendor         = PCI_VENDOR_ID_QLOGIC,
+                .device         = PCI_DEVICE_ID_QLOGIC_ISP4032,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+        },
        {0, 0},
 };
 MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h
index b3fe7e68988e..454e19c8ad68 100644
--- a/drivers/scsi/qla4xxx/ql4_version.h
+++ b/drivers/scsi/qla4xxx/ql4_version.h
@@ -5,9 +5,4 @@
 * See LICENSE.qla4xxx for copyright and licensing details.
 */
-#define QLA4XXX_DRIVER_VERSION  "5.00.05b9-k"
+#define QLA4XXX_DRIVER_VERSION  "5.00.07-k"
-#define QL4_DRIVER_MAJOR_VER    5
-#define QL4_DRIVER_MINOR_VER    0
-#define QL4_DRIVER_PATCH_VER    5
-#define QL4_DRIVER_BETA_VER     9
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index c59f31533ab4..fafc00deaade 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -156,8 +156,7 @@ static struct scsi_host_cmd_pool scsi_cmd_dma_pool = {
 static DEFINE_MUTEX(host_cmd_pool_mutex);
-static struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost,
+struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, gfp_t gfp_mask)
-                                            gfp_t gfp_mask)
 {
        struct scsi_cmnd *cmd;
@@ -178,6 +177,7 @@ static struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost,
        return cmd;
 }
+EXPORT_SYMBOL_GPL(__scsi_get_command);
 /*
 * Function:    scsi_get_command()
@@ -214,9 +214,29 @@ struct scsi_cmnd *scsi_get_command(struct scsi_device *dev, gfp_t gfp_mask)
                put_device(&dev->sdev_gendev);
        return cmd;
-}                               
+}
 EXPORT_SYMBOL(scsi_get_command);
+void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd,
+                        struct device *dev)
+{
+        unsigned long flags;
+        /* changing locks here, don't need to restore the irq state */
+        spin_lock_irqsave(&shost->free_list_lock, flags);
+        if (unlikely(list_empty(&shost->free_list))) {
+                list_add(&cmd->list, &shost->free_list);
+                cmd = NULL;
+        }
+        spin_unlock_irqrestore(&shost->free_list_lock, flags);
+        if (likely(cmd != NULL))
+                kmem_cache_free(shost->cmd_pool->slab, cmd);
+        put_device(dev);
+}
+EXPORT_SYMBOL(__scsi_put_command);
 /*
 * Function:    scsi_put_command()
 *
@@ -231,26 +251,15 @@ EXPORT_SYMBOL(scsi_get_command);
 void scsi_put_command(struct scsi_cmnd *cmd)
 {
        struct scsi_device *sdev = cmd->device;
-        struct Scsi_Host *shost = sdev->host;
        unsigned long flags;
-        
        /* serious error if the command hasn't come from a device list */
        spin_lock_irqsave(&cmd->device->list_lock, flags);
        BUG_ON(list_empty(&cmd->list));
        list_del_init(&cmd->list);
-        spin_unlock(&cmd->device->list_lock);
+        spin_unlock_irqrestore(&cmd->device->list_lock, flags);
-        /* changing locks here, don't need to restore the irq state */
-        spin_lock(&shost->free_list_lock);
-        if (unlikely(list_empty(&shost->free_list))) {
-                list_add(&cmd->list, &shost->free_list);
-                cmd = NULL;
-        }
-        spin_unlock_irqrestore(&shost->free_list_lock, flags);
-        if (likely(cmd != NULL))
-                kmem_cache_free(shost->cmd_pool->slab, cmd);
-        put_device(&sdev->sdev_gendev);
+        __scsi_put_command(cmd->device->host, cmd, &sdev->sdev_gendev);
 }
 EXPORT_SYMBOL(scsi_put_command);
@@ -871,9 +880,9 @@ EXPORT_SYMBOL(scsi_device_get);
 */
 void scsi_device_put(struct scsi_device *sdev)
 {
+#ifdef CONFIG_MODULE_UNLOAD
        struct module *module = sdev->host->hostt->module;
-#ifdef CONFIG_MODULE_UNLOAD
        /* The module refcount will be zero if scsi_device_get()
         * was called from a module removal routine */
        if (module && module_refcount(module) != 0)
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index aff1b0cfd4b2..2ecb6ff42444 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -453,9 +453,18 @@ static void scsi_eh_done(struct scsi_cmnd *scmd)
 }
 /**
- * scsi_send_eh_cmnd  - send a cmd to a device as part of error recovery.
+ * scsi_send_eh_cmnd  - submit a scsi command as part of error recory
- * @scmd:       SCSI Cmd to send.
+ * @scmd:       SCSI command structure to hijack
- * @timeout:    Timeout for cmd.
+ * @cmnd:       CDB to send
+ * @cmnd_size:  size in bytes of @cmnd
+ * @timeout:    timeout for this request
+ * @copy_sense: request sense data if set to 1
+ *
+ * This function is used to send a scsi command down to a target device
+ * as part of the error recovery process.  If @copy_sense is 0 the command
+ * sent must be one that does not transfer any data.  If @copy_sense is 1
+ * the command must be REQUEST_SENSE and this functions copies out the
+ * sense buffer it got into @scmd->sense_buffer.
 *
 * Return value:
 *    SUCCESS or FAILED or NEEDS_RETRY
@@ -469,6 +478,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
        DECLARE_COMPLETION_ONSTACK(done);
        unsigned long timeleft;
        unsigned long flags;
+        struct scatterlist sgl;
        unsigned char old_cmnd[MAX_COMMAND_SIZE];
        enum dma_data_direction old_data_direction;
        unsigned short old_use_sg;
@@ -500,19 +510,24 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
                if (shost->hostt->unchecked_isa_dma)
                        gfp_mask |= __GFP_DMA;
-                scmd->sc_data_direction = DMA_FROM_DEVICE;
+                sgl.page = alloc_page(gfp_mask);
-                scmd->request_bufflen = 252;
+                if (!sgl.page)
-                scmd->request_buffer = kzalloc(scmd->request_bufflen, gfp_mask);
-                if (!scmd->request_buffer)
                        return FAILED;
+                sgl.offset = 0;
+                sgl.length = 252;
+                scmd->sc_data_direction = DMA_FROM_DEVICE;
+                scmd->request_bufflen = sgl.length;
+                scmd->request_buffer = &sgl;
+                scmd->use_sg = 1;
        } else {
                scmd->request_buffer = NULL;
                scmd->request_bufflen = 0;
                scmd->sc_data_direction = DMA_NONE;
+                scmd->use_sg = 0;
        }
        scmd->underflow = 0;
-        scmd->use_sg = 0;
        scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]);
        if (sdev->scsi_level <= SCSI_2)
@@ -583,7 +598,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
                        memcpy(scmd->sense_buffer, scmd->request_buffer,
                               sizeof(scmd->sense_buffer));
                }
-                kfree(scmd->request_buffer);
+                __free_page(sgl.page);
        }
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 3ac4890ce086..fb616c69151f 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -704,7 +704,7 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int uptodate,
        return NULL;
 }
-static struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
+struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
 {
        struct scsi_host_sg_pool *sgp;
        struct scatterlist *sgl;
@@ -745,7 +745,9 @@ static struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_m
        return sgl;
 }
-static void scsi_free_sgtable(struct scatterlist *sgl, int index)
+EXPORT_SYMBOL(scsi_alloc_sgtable);
+void scsi_free_sgtable(struct scatterlist *sgl, int index)
 {
        struct scsi_host_sg_pool *sgp;
@@ -755,6 +757,8 @@ static void scsi_free_sgtable(struct scatterlist *sgl, int index)
        mempool_free(sgl, sgp->pool);
 }
+EXPORT_SYMBOL(scsi_free_sgtable);
 /*
 * Function:    scsi_release_buffers()
 *
@@ -996,25 +1000,14 @@ static int scsi_init_io(struct scsi_cmnd *cmd)
        int                count;
        /*
-         * if this is a rq->data based REQ_BLOCK_PC, setup for a non-sg xfer
+         * We used to not use scatter-gather for single segment request,
-         */
-        if (blk_pc_request(req) && !req->bio) {
-                cmd->request_bufflen = req->data_len;
-                cmd->request_buffer = req->data;
-                req->buffer = req->data;
-                cmd->use_sg = 0;
-                return 0;
-        }
-        /*
-         * we used to not use scatter-gather for single segment request,
         * but now we do (it makes highmem I/O easier to support without
         * kmapping pages)
         */
        cmd->use_sg = req->nr_phys_segments;
        /*
-         * if sg table allocation fails, requeue request later.
+         * If sg table allocation fails, requeue request later.
         */
        sgpnt = scsi_alloc_sgtable(cmd, GFP_ATOMIC);
        if (unlikely(!sgpnt)) {
@@ -1022,24 +1015,21 @@ static int scsi_init_io(struct scsi_cmnd *cmd)
                return BLKPREP_DEFER;
        }
+        req->buffer = NULL;
        cmd->request_buffer = (char *) sgpnt;
-        cmd->request_bufflen = req->nr_sectors << 9;
        if (blk_pc_request(req))
                cmd->request_bufflen = req->data_len;
-        req->buffer = NULL;
+        else
+                cmd->request_bufflen = req->nr_sectors << 9;
        /* 
         * Next, walk the list, and fill in the addresses and sizes of
         * each segment.
         */
        count = blk_rq_map_sg(req->q, req, cmd->request_buffer);
-        /*
-         * mapped well, send it off
-         */
        if (likely(count <= cmd->use_sg)) {
                cmd->use_sg = count;
-                return 0;
+                return BLKPREP_OK;
        }
        printk(KERN_ERR "Incorrect number of segments after building list\n");
@@ -1069,6 +1059,27 @@ static int scsi_issue_flush_fn(request_queue_t *q, struct gendisk *disk,
        return -EOPNOTSUPP;
 }
+static struct scsi_cmnd *scsi_get_cmd_from_req(struct scsi_device *sdev,
+                struct request *req)
+{
+        struct scsi_cmnd *cmd;
+        if (!req->special) {
+                cmd = scsi_get_command(sdev, GFP_ATOMIC);
+                if (unlikely(!cmd))
+                        return NULL;
+                req->special = cmd;
+        } else {
+                cmd = req->special;
+        }
+        /* pull a tag out of the request if we have one */
+        cmd->tag = req->tag;
+        cmd->request = req;
+        return cmd;
+}
 static void scsi_blk_pc_done(struct scsi_cmnd *cmd)
 {
        BUG_ON(!blk_pc_request(cmd->request));
@@ -1081,9 +1092,37 @@ static void scsi_blk_pc_done(struct scsi_cmnd *cmd)
        scsi_io_completion(cmd, cmd->request_bufflen);
 }
-static void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd)
+static int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req)
 {
-        struct request *req = cmd->request;
+        struct scsi_cmnd *cmd;
+        cmd = scsi_get_cmd_from_req(sdev, req);
+        if (unlikely(!cmd))
+                return BLKPREP_DEFER;
+        /*
+         * BLOCK_PC requests may transfer data, in which case they must
+         * a bio attached to them.  Or they might contain a SCSI command
+         * that does not transfer data, in which case they may optionally
+         * submit a request without an attached bio.
+         */
+        if (req->bio) {
+                int ret;
+                BUG_ON(!req->nr_phys_segments);
+                ret = scsi_init_io(cmd);
+                if (unlikely(ret))
+                        return ret;
+        } else {
+                BUG_ON(req->data_len);
+                BUG_ON(req->data);
+                cmd->request_bufflen = 0;
+                cmd->request_buffer = NULL;
+                cmd->use_sg = 0;
+                req->buffer = NULL;
+        }
        BUILD_BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd));
        memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
@@ -1099,154 +1138,138 @@ static void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd)
        cmd->allowed = req->retries;
        cmd->timeout_per_command = req->timeout;
        cmd->done = scsi_blk_pc_done;
+        return BLKPREP_OK;
 }
-static int scsi_prep_fn(struct request_queue *q, struct request *req)
+/*
+ * Setup a REQ_TYPE_FS command.  These are simple read/write request
+ * from filesystems that still need to be translated to SCSI CDBs from
+ * the ULD.
+ */
+static int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req)
 {
-        struct scsi_device *sdev = q->queuedata;
        struct scsi_cmnd *cmd;
-        int specials_only = 0;
+        struct scsi_driver *drv;
+        int ret;
        /*
-         * Just check to see if the device is online.  If it isn't, we
+         * Filesystem requests must transfer data.
-         * refuse to process any commands.  The device must be brought
-         * online before trying any recovery commands
         */
-        if (unlikely(!scsi_device_online(sdev))) {
+        BUG_ON(!req->nr_phys_segments);
-                sdev_printk(KERN_ERR, sdev,
-                            "rejecting I/O to offline device\n");
+        cmd = scsi_get_cmd_from_req(sdev, req);
-                goto kill;
+        if (unlikely(!cmd))
-        }
+                return BLKPREP_DEFER;
-        if (unlikely(sdev->sdev_state != SDEV_RUNNING)) {
-                /* OK, we're not in a running state don't prep
+        ret = scsi_init_io(cmd);
-                 * user commands */
+        if (unlikely(ret))
-                if (sdev->sdev_state == SDEV_DEL) {
+                return ret;
-                        /* Device is fully deleted, no commands
-                         * at all allowed down */
+        /*
-                        sdev_printk(KERN_ERR, sdev,
+         * Initialize the actual SCSI command for this request.
-                                    "rejecting I/O to dead device\n");
+         */
-                        goto kill;
+        drv = *(struct scsi_driver **)req->rq_disk->private_data;
-                }
+        if (unlikely(!drv->init_command(cmd))) {
-                /* OK, we only allow special commands (i.e. not
+                scsi_release_buffers(cmd);
-                 * user initiated ones */
+                scsi_put_command(cmd);
-                specials_only = sdev->sdev_state;
+                return BLKPREP_KILL;
        }
+        return BLKPREP_OK;
+}
+static int scsi_prep_fn(struct request_queue *q, struct request *req)
+{
+        struct scsi_device *sdev = q->queuedata;
+        int ret = BLKPREP_OK;
        /*
-         * Find the actual device driver associated with this command.
+         * If the device is not in running state we will reject some
-         * The SPECIAL requests are things like character device or
+         * or all commands.
-         * ioctls, which did not originate from ll_rw_blk.  Note that
-         * the special field is also used to indicate the cmd for
-         * the remainder of a partially fulfilled request that can 
-         * come up when there is a medium error.  We have to treat
-         * these two cases differently.  We differentiate by looking
-         * at request->cmd, as this tells us the real story.
         */
-        if (blk_special_request(req) && req->special)
+        if (unlikely(sdev->sdev_state != SDEV_RUNNING)) {
-                cmd = req->special;
+                switch (sdev->sdev_state) {
-        else if (blk_pc_request(req) || blk_fs_request(req)) {
+                case SDEV_OFFLINE:
-                if (unlikely(specials_only) && !(req->cmd_flags & REQ_PREEMPT)){
+                        /*
-                        if (specials_only == SDEV_QUIESCE ||
+                         * If the device is offline we refuse to process any
-                            specials_only == SDEV_BLOCK)
+                         * commands.  The device must be brought online
-                                goto defer;
+                         * before trying any recovery commands.
-                        
+                         */
                        sdev_printk(KERN_ERR, sdev,
-                                    "rejecting I/O to device being removed\n");
+                                    "rejecting I/O to offline device\n");
-                        goto kill;
+                        ret = BLKPREP_KILL;
+                        break;
+                case SDEV_DEL:
+                        /*
+                         * If the device is fully deleted, we refuse to
+                         * process any commands as well.
+                         */
+                        sdev_printk(KERN_ERR, sdev,
+                                    "rejecting I/O to dead device\n");
+                        ret = BLKPREP_KILL;
+                        break;
+                case SDEV_QUIESCE:
+                case SDEV_BLOCK:
+                        /*
+                         * If the devices is blocked we defer normal commands.
+                         */
+                        if (!(req->cmd_flags & REQ_PREEMPT))
+                                ret = BLKPREP_DEFER;
+                        break;
+                default:
+                        /*
+                         * For any other not fully online state we only allow
+                         * special commands.  In particular any user initiated
+                         * command is not allowed.
+                         */
+                        if (!(req->cmd_flags & REQ_PREEMPT))
+                                ret = BLKPREP_KILL;
+                        break;
                }
-                        
-                /*
+                if (ret != BLKPREP_OK)
-                 * Now try and find a command block that we can use.
+                        goto out;
-                 */
-                if (!req->special) {
-                        cmd = scsi_get_command(sdev, GFP_ATOMIC);
-                        if (unlikely(!cmd))
-                                goto defer;
-                } else
-                        cmd = req->special;
-                
-                /* pull a tag out of the request if we have one */
-                cmd->tag = req->tag;
-        } else {
-                blk_dump_rq_flags(req, "SCSI bad req");
-                goto kill;
        }
-        
-        /* note the overloading of req->special.  When the tag
-         * is active it always means cmd.  If the tag goes
-         * back for re-queueing, it may be reset */
-        req->special = cmd;
-        cmd->request = req;
-        
-        /*
-         * FIXME: drop the lock here because the functions below
-         * expect to be called without the queue lock held.  Also,
-         * previously, we dequeued the request before dropping the
-         * lock.  We hope REQ_STARTED prevents anything untoward from
-         * happening now.
-         */
-        if (blk_fs_request(req) || blk_pc_request(req)) {
-                int ret;
+        switch (req->cmd_type) {
+        case REQ_TYPE_BLOCK_PC:
+                ret = scsi_setup_blk_pc_cmnd(sdev, req);
+                break;
+        case REQ_TYPE_FS:
+                ret = scsi_setup_fs_cmnd(sdev, req);
+                break;
+        default:
                /*
-                 * This will do a couple of things:
+                 * All other command types are not supported.
-                 *  1) Fill in the actual SCSI command.
-                 *  2) Fill in any other upper-level specific fields
-                 * (timeout).
                 *
-                 * If this returns 0, it means that the request failed
+                 * Note that these days the SCSI subsystem does not use
-                 * (reading past end of disk, reading offline device,
+                 * REQ_TYPE_SPECIAL requests anymore.  These are only used
-                 * etc).   This won't actually talk to the device, but
+                 * (directly or via blk_insert_request) by non-SCSI drivers.
-                 * some kinds of consistency checking may cause the     
-                 * request to be rejected immediately.
                 */
+                blk_dump_rq_flags(req, "SCSI bad req");
+                ret = BLKPREP_KILL;
+                break;
+        }
-                /* 
+ out:
-                 * This sets up the scatter-gather table (allocating if
+        switch (ret) {
-                 * required).
+        case BLKPREP_KILL:
-                 */
+                req->errors = DID_NO_CONNECT << 16;
-                ret = scsi_init_io(cmd);
+                break;
-                switch(ret) {
+        case BLKPREP_DEFER:
-                        /* For BLKPREP_KILL/DEFER the cmd was released */
-                case BLKPREP_KILL:
-                        goto kill;
-                case BLKPREP_DEFER:
-                        goto defer;
-                }
-                
                /*
-                 * Initialize the actual SCSI command for this request.
+                 * If we defer, the elv_next_request() returns NULL, but the
+                 * queue must be restarted, so we plug here if no returning
+                 * command will automatically do that.
                 */
-                if (blk_pc_request(req)) {
+                if (sdev->device_busy == 0)
-                        scsi_setup_blk_pc_cmnd(cmd);
+                        blk_plug_device(q);
-                } else if (req->rq_disk) {
+                break;
-                        struct scsi_driver *drv;
+        default:
+                req->cmd_flags |= REQ_DONTPREP;
-                        drv = *(struct scsi_driver **)req->rq_disk->private_data;
-                        if (unlikely(!drv->init_command(cmd))) {
-                                scsi_release_buffers(cmd);
-                                scsi_put_command(cmd);
-                                goto kill;
-                        }
-                }
        }
-        /*
+        return ret;
-         * The request is now prepped, no need to come back here
-         */
-        req->cmd_flags |= REQ_DONTPREP;
-        return BLKPREP_OK;
- defer:
-        /* If we defer, the elv_next_request() returns NULL, but the
-         * queue must be restarted, so we plug here if no returning
-         * command will automatically do that. */
-        if (sdev->device_busy == 0)
-                blk_plug_device(q);
-        return BLKPREP_DEFER;
- kill:
-        req->errors = DID_NO_CONNECT << 16;
-        return BLKPREP_KILL;
 }
 /*
@@ -1548,29 +1571,40 @@ u64 scsi_calculate_bounce_limit(struct Scsi_Host *shost)
 }
 EXPORT_SYMBOL(scsi_calculate_bounce_limit);
-struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
+struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost,
+                                         request_fn_proc *request_fn)
 {
-        struct Scsi_Host *shost = sdev->host;
        struct request_queue *q;
-        q = blk_init_queue(scsi_request_fn, NULL);
+        q = blk_init_queue(request_fn, NULL);
        if (!q)
                return NULL;
-        blk_queue_prep_rq(q, scsi_prep_fn);
        blk_queue_max_hw_segments(q, shost->sg_tablesize);
        blk_queue_max_phys_segments(q, SCSI_MAX_PHYS_SEGMENTS);
        blk_queue_max_sectors(q, shost->max_sectors);
        blk_queue_bounce_limit(q, scsi_calculate_bounce_limit(shost));
        blk_queue_segment_boundary(q, shost->dma_boundary);
-        blk_queue_issue_flush_fn(q, scsi_issue_flush_fn);
-        blk_queue_softirq_done(q, scsi_softirq_done);
        if (!shost->use_clustering)
                clear_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags);
        return q;
 }
+EXPORT_SYMBOL(__scsi_alloc_queue);
+struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
+{
+        struct request_queue *q;
+        q = __scsi_alloc_queue(sdev->host, scsi_request_fn);
+        if (!q)
+                return NULL;
+        blk_queue_prep_rq(q, scsi_prep_fn);
+        blk_queue_issue_flush_fn(q, scsi_issue_flush_fn);
+        blk_queue_softirq_done(q, scsi_softirq_done);
+        return q;
+}
 void scsi_free_queue(struct request_queue *q)
 {
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 5d023d44e5e7..f458c2f686d2 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -39,6 +39,9 @@ static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition)
        { };
 #endif
+/* scsi_scan.c */
+int scsi_complete_async_scans(void);
 /* scsi_devinfo.c */
 extern int scsi_get_device_flags(struct scsi_device *sdev,
                                 const unsigned char *vendor,
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 94a274645f6f..4d656148bd67 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -29,7 +29,9 @@
 #include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/blkdev.h>
-#include <asm/semaphore.h>
+#include <linux/delay.h>
+#include <linux/kthread.h>
+#include <linux/spinlock.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
@@ -87,6 +89,17 @@ module_param_named(max_luns, max_scsi_luns, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(max_luns,
                 "last scsi LUN (should be between 1 and 2^32-1)");
+#ifdef CONFIG_SCSI_SCAN_ASYNC
+#define SCSI_SCAN_TYPE_DEFAULT "async"
+#else
+#define SCSI_SCAN_TYPE_DEFAULT "sync"
+#endif
+static char scsi_scan_type[6] = SCSI_SCAN_TYPE_DEFAULT;
+module_param_string(scan, scsi_scan_type, sizeof(scsi_scan_type), S_IRUGO);
+MODULE_PARM_DESC(scan, "sync, async or none");
 /*
 * max_scsi_report_luns: the maximum number of LUNS that will be
 * returned from the REPORT LUNS command. 8 times this value must
@@ -108,6 +121,68 @@ MODULE_PARM_DESC(inq_timeout,
                 "Timeout (in seconds) waiting for devices to answer INQUIRY."
                 " Default is 5. Some non-compliant devices need more.");
+static DEFINE_SPINLOCK(async_scan_lock);
+static LIST_HEAD(scanning_hosts);
+struct async_scan_data {
+        struct list_head list;
+        struct Scsi_Host *shost;
+        struct completion prev_finished;
+};
+/**
+ * scsi_complete_async_scans - Wait for asynchronous scans to complete
+ *
+ * Asynchronous scans add themselves to the scanning_hosts list.  Once
+ * that list is empty, we know that the scans are complete.  Rather than
+ * waking up periodically to check the state of the list, we pretend to be
+ * a scanning task by adding ourselves at the end of the list and going to
+ * sleep.  When the task before us wakes us up, we take ourselves off the
+ * list and return.
+ */
+int scsi_complete_async_scans(void)
+{
+        struct async_scan_data *data;
+        do {
+                if (list_empty(&scanning_hosts))
+                        return 0;
+                /* If we can't get memory immediately, that's OK.  Just
+                 * sleep a little.  Even if we never get memory, the async
+                 * scans will finish eventually.
+                 */
+                data = kmalloc(sizeof(*data), GFP_KERNEL);
+                if (!data)
+                        msleep(1);
+        } while (!data);
+        data->shost = NULL;
+        init_completion(&data->prev_finished);
+        spin_lock(&async_scan_lock);
+        /* Check that there's still somebody else on the list */
+        if (list_empty(&scanning_hosts))
+                goto done;
+        list_add_tail(&data->list, &scanning_hosts);
+        spin_unlock(&async_scan_lock);
+        printk(KERN_INFO "scsi: waiting for bus probes to complete ...\n");
+        wait_for_completion(&data->prev_finished);
+        spin_lock(&async_scan_lock);
+        list_del(&data->list);
+ done:
+        spin_unlock(&async_scan_lock);
+        kfree(data);
+        return 0;
+}
+#ifdef MODULE
+/* Only exported for the benefit of scsi_wait_scan */
+EXPORT_SYMBOL_GPL(scsi_complete_async_scans);
+#endif
 /**
 * scsi_unlock_floptical - unlock device via a special MODE SENSE command
 * @sdev:       scsi device to send command to
@@ -619,7 +694,7 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result,
 *     SCSI_SCAN_LUN_PRESENT: a new scsi_device was allocated and initialized
 **/
 static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
-                int *bflags)
+                int *bflags, int async)
 {
        /*
         * XXX do not save the inquiry, since it can change underneath us,
@@ -805,7 +880,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
         * register it and tell the rest of the kernel
         * about it.
         */
-        if (scsi_sysfs_add_sdev(sdev) != 0)
+        if (!async && scsi_sysfs_add_sdev(sdev) != 0)
                return SCSI_SCAN_NO_RESPONSE;
        return SCSI_SCAN_LUN_PRESENT;
@@ -974,7 +1049,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
                goto out_free_result;
        }
-        res = scsi_add_lun(sdev, result, &bflags);
+        res = scsi_add_lun(sdev, result, &bflags, shost->async_scan);
        if (res == SCSI_SCAN_LUN_PRESENT) {
                if (bflags & BLIST_KEY) {
                        sdev->lockable = 0;
@@ -1474,6 +1549,12 @@ void scsi_scan_target(struct device *parent, unsigned int channel,
 {
        struct Scsi_Host *shost = dev_to_shost(parent);
+        if (strncmp(scsi_scan_type, "none", 4) == 0)
+                return;
+        if (!shost->async_scan)
+                scsi_complete_async_scans();
        mutex_lock(&shost->scan_mutex);
        if (scsi_host_scan_allowed(shost))
                __scsi_scan_target(parent, channel, id, lun, rescan);
@@ -1519,6 +1600,9 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,
                "%s: <%u:%u:%u>\n",
                __FUNCTION__, channel, id, lun));
+        if (!shost->async_scan)
+                scsi_complete_async_scans();
        if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) ||
            ((id != SCAN_WILD_CARD) && (id >= shost->max_id)) ||
            ((lun != SCAN_WILD_CARD) && (lun > shost->max_lun)))
@@ -1539,14 +1623,143 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,
        return 0;
 }
+static void scsi_sysfs_add_devices(struct Scsi_Host *shost)
+{
+        struct scsi_device *sdev;
+        shost_for_each_device(sdev, shost) {
+                if (scsi_sysfs_add_sdev(sdev) != 0)
+                        scsi_destroy_sdev(sdev);
+        }
+}
+/**
+ * scsi_prep_async_scan - prepare for an async scan
+ * @shost: the host which will be scanned
+ * Returns: a cookie to be passed to scsi_finish_async_scan()
+ *
+ * Tells the midlayer this host is going to do an asynchronous scan.
+ * It reserves the host's position in the scanning list and ensures
+ * that other asynchronous scans started after this one won't affect the
+ * ordering of the discovered devices.
+ */
+static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost)
+{
+        struct async_scan_data *data;
+        if (strncmp(scsi_scan_type, "sync", 4) == 0)
+                return NULL;
+        if (shost->async_scan) {
+                printk("%s called twice for host %d", __FUNCTION__,
+                                shost->host_no);
+                dump_stack();
+                return NULL;
+        }
+        data = kmalloc(sizeof(*data), GFP_KERNEL);
+        if (!data)
+                goto err;
+        data->shost = scsi_host_get(shost);
+        if (!data->shost)
+                goto err;
+        init_completion(&data->prev_finished);
+        spin_lock(&async_scan_lock);
+        shost->async_scan = 1;
+        if (list_empty(&scanning_hosts))
+                complete(&data->prev_finished);
+        list_add_tail(&data->list, &scanning_hosts);
+        spin_unlock(&async_scan_lock);
+        return data;
+ err:
+        kfree(data);
+        return NULL;
+}
+/**
+ * scsi_finish_async_scan - asynchronous scan has finished
+ * @data: cookie returned from earlier call to scsi_prep_async_scan()
+ *
+ * All the devices currently attached to this host have been found.
+ * This function announces all the devices it has found to the rest
+ * of the system.
+ */
+static void scsi_finish_async_scan(struct async_scan_data *data)
+{
+        struct Scsi_Host *shost;
+        if (!data)
+                return;
+        shost = data->shost;
+        if (!shost->async_scan) {
+                printk("%s called twice for host %d", __FUNCTION__,
+                                shost->host_no);
+                dump_stack();
+                return;
+        }
+        wait_for_completion(&data->prev_finished);
+        scsi_sysfs_add_devices(shost);
+        spin_lock(&async_scan_lock);
+        shost->async_scan = 0;
+        list_del(&data->list);
+        if (!list_empty(&scanning_hosts)) {
+                struct async_scan_data *next = list_entry(scanning_hosts.next,
+                                struct async_scan_data, list);
+                complete(&next->prev_finished);
+        }
+        spin_unlock(&async_scan_lock);
+        scsi_host_put(shost);
+        kfree(data);
+}
+static void do_scsi_scan_host(struct Scsi_Host *shost)
+{
+        if (shost->hostt->scan_finished) {
+                unsigned long start = jiffies;
+                if (shost->hostt->scan_start)
+                        shost->hostt->scan_start(shost);
+                while (!shost->hostt->scan_finished(shost, jiffies - start))
+                        msleep(10);
+        } else {
+                scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD,
+                                SCAN_WILD_CARD, 0);
+        }
+}
+static int do_scan_async(void *_data)
+{
+        struct async_scan_data *data = _data;
+        do_scsi_scan_host(data->shost);
+        scsi_finish_async_scan(data);
+        return 0;
+}
 /**
 * scsi_scan_host - scan the given adapter
 * @shost:      adapter to scan
 **/
 void scsi_scan_host(struct Scsi_Host *shost)
 {
-        scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD,
+        struct async_scan_data *data;
-                                SCAN_WILD_CARD, 0);
+        if (strncmp(scsi_scan_type, "none", 4) == 0)
+                return;
+        data = scsi_prep_async_scan(shost);
+        if (!data) {
+                do_scsi_scan_host(shost);
+                return;
+        }
+        kthread_run(do_scan_async, data, "scsi_scan_%d", shost->host_no);
 }
 EXPORT_SYMBOL(scsi_scan_host);
diff --git a/drivers/scsi/scsi_tgt_if.c b/drivers/scsi/scsi_tgt_if.c
new file mode 100644
index 000000000000..37bbfbdb870f
--- /dev/null
+++ b/drivers/scsi/scsi_tgt_if.c
@@ -0,0 +1,352 @@
+/*
+ * SCSI target kernel/user interface functions
+ *
+ * Copyright (C) 2005 FUJITA Tomonori <tomof@acm.org>
+ * Copyright (C) 2005 Mike Christie <michaelc@cs.wisc.edu>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#include <linux/miscdevice.h>
+#include <linux/file.h>
+#include <net/tcp.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tgt.h>
+#include <scsi/scsi_tgt_if.h>
+#include <asm/cacheflush.h>
+#include "scsi_tgt_priv.h"
+struct tgt_ring {
+        u32 tr_idx;
+        unsigned long tr_pages[TGT_RING_PAGES];
+        spinlock_t tr_lock;
+};
+/* tx_ring : kernel->user, rx_ring : user->kernel */
+static struct tgt_ring tx_ring, rx_ring;
+static DECLARE_WAIT_QUEUE_HEAD(tgt_poll_wait);
+static inline void tgt_ring_idx_inc(struct tgt_ring *ring)
+{
+        if (ring->tr_idx == TGT_MAX_EVENTS - 1)
+                ring->tr_idx = 0;
+        else
+                ring->tr_idx++;
+}
+static struct tgt_event *tgt_head_event(struct tgt_ring *ring, u32 idx)
+{
+        u32 pidx, off;
+        pidx = idx / TGT_EVENT_PER_PAGE;
+        off = idx % TGT_EVENT_PER_PAGE;
+        return (struct tgt_event *)
+                (ring->tr_pages[pidx] + sizeof(struct tgt_event) * off);
+}
+static int tgt_uspace_send_event(u32 type, struct tgt_event *p)
+{
+        struct tgt_event *ev;
+        struct tgt_ring *ring = &tx_ring;
+        unsigned long flags;
+        int err = 0;
+        spin_lock_irqsave(&ring->tr_lock, flags);
+        ev = tgt_head_event(ring, ring->tr_idx);
+        if (!ev->hdr.status)
+                tgt_ring_idx_inc(ring);
+        else
+                err = -BUSY;
+        spin_unlock_irqrestore(&ring->tr_lock, flags);
+        if (err)
+                return err;
+        memcpy(ev, p, sizeof(*ev));
+        ev->hdr.type = type;
+        mb();
+        ev->hdr.status = 1;
+        flush_dcache_page(virt_to_page(ev));
+        wake_up_interruptible(&tgt_poll_wait);
+        return 0;
+}
+int scsi_tgt_uspace_send_cmd(struct scsi_cmnd *cmd, struct scsi_lun *lun, u64 tag)
+{
+        struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd);
+        struct tgt_event ev;
+        int err;
+        memset(&ev, 0, sizeof(ev));
+        ev.p.cmd_req.host_no = shost->host_no;
+        ev.p.cmd_req.data_len = cmd->request_bufflen;
+        memcpy(ev.p.cmd_req.scb, cmd->cmnd, sizeof(ev.p.cmd_req.scb));
+        memcpy(ev.p.cmd_req.lun, lun, sizeof(ev.p.cmd_req.lun));
+        ev.p.cmd_req.attribute = cmd->tag;
+        ev.p.cmd_req.tag = tag;
+        dprintk("%p %d %u %x %llx\n", cmd, shost->host_no,
+                ev.p.cmd_req.data_len, cmd->tag,
+                (unsigned long long) ev.p.cmd_req.tag);
+        err = tgt_uspace_send_event(TGT_KEVENT_CMD_REQ, &ev);
+        if (err)
+                eprintk("tx buf is full, could not send\n");
+        return err;
+}
+int scsi_tgt_uspace_send_status(struct scsi_cmnd *cmd, u64 tag)
+{
+        struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd);
+        struct tgt_event ev;
+        int err;
+        memset(&ev, 0, sizeof(ev));
+        ev.p.cmd_done.host_no = shost->host_no;
+        ev.p.cmd_done.tag = tag;
+        ev.p.cmd_done.result = cmd->result;
+        dprintk("%p %d %llu %u %x\n", cmd, shost->host_no,
+                (unsigned long long) ev.p.cmd_req.tag,
+                ev.p.cmd_req.data_len, cmd->tag);
+        err = tgt_uspace_send_event(TGT_KEVENT_CMD_DONE, &ev);
+        if (err)
+                eprintk("tx buf is full, could not send\n");
+        return err;
+}
+int scsi_tgt_uspace_send_tsk_mgmt(int host_no, int function, u64 tag,
+                                  struct scsi_lun *scsilun, void *data)
+{
+        struct tgt_event ev;
+        int err;
+        memset(&ev, 0, sizeof(ev));
+        ev.p.tsk_mgmt_req.host_no = host_no;
+        ev.p.tsk_mgmt_req.function = function;
+        ev.p.tsk_mgmt_req.tag = tag;
+        memcpy(ev.p.tsk_mgmt_req.lun, scsilun, sizeof(ev.p.tsk_mgmt_req.lun));
+        ev.p.tsk_mgmt_req.mid = (u64) (unsigned long) data;
+        dprintk("%d %x %llx %llx\n", host_no, function, (unsigned long long) tag,
+                (unsigned long long) ev.p.tsk_mgmt_req.mid);
+        err = tgt_uspace_send_event(TGT_KEVENT_TSK_MGMT_REQ, &ev);
+        if (err)
+                eprintk("tx buf is full, could not send\n");
+        return err;
+}
+static int event_recv_msg(struct tgt_event *ev)
+{
+        int err = 0;
+        switch (ev->hdr.type) {
+        case TGT_UEVENT_CMD_RSP:
+                err = scsi_tgt_kspace_exec(ev->p.cmd_rsp.host_no,
+                                           ev->p.cmd_rsp.tag,
+                                           ev->p.cmd_rsp.result,
+                                           ev->p.cmd_rsp.len,
+                                           ev->p.cmd_rsp.uaddr,
+                                           ev->p.cmd_rsp.rw);
+                break;
+        case TGT_UEVENT_TSK_MGMT_RSP:
+                err = scsi_tgt_kspace_tsk_mgmt(ev->p.tsk_mgmt_rsp.host_no,
+                                               ev->p.tsk_mgmt_rsp.mid,
+                                               ev->p.tsk_mgmt_rsp.result);
+                break;
+        default:
+                eprintk("unknown type %d\n", ev->hdr.type);
+                err = -EINVAL;
+        }
+        return err;
+}
+static ssize_t tgt_write(struct file *file, const char __user * buffer,
+                         size_t count, loff_t * ppos)
+{
+        struct tgt_event *ev;
+        struct tgt_ring *ring = &rx_ring;
+        while (1) {
+                ev = tgt_head_event(ring, ring->tr_idx);
+                /* do we need this? */
+                flush_dcache_page(virt_to_page(ev));
+                if (!ev->hdr.status)
+                        break;
+                tgt_ring_idx_inc(ring);
+                event_recv_msg(ev);
+                ev->hdr.status = 0;
+        };
+        return count;
+}
+static unsigned int tgt_poll(struct file * file, struct poll_table_struct *wait)
+{
+        struct tgt_event *ev;
+        struct tgt_ring *ring = &tx_ring;
+        unsigned long flags;
+        unsigned int mask = 0;
+        u32 idx;
+        poll_wait(file, &tgt_poll_wait, wait);
+        spin_lock_irqsave(&ring->tr_lock, flags);
+        idx = ring->tr_idx ? ring->tr_idx - 1 : TGT_MAX_EVENTS - 1;
+        ev = tgt_head_event(ring, idx);
+        if (ev->hdr.status)
+                mask |= POLLIN | POLLRDNORM;
+        spin_unlock_irqrestore(&ring->tr_lock, flags);
+        return mask;
+}
+static int uspace_ring_map(struct vm_area_struct *vma, unsigned long addr,
+                           struct tgt_ring *ring)
+{
+        int i, err;
+        for (i = 0; i < TGT_RING_PAGES; i++) {
+                struct page *page = virt_to_page(ring->tr_pages[i]);
+                err = vm_insert_page(vma, addr, page);
+                if (err)
+                        return err;
+                addr += PAGE_SIZE;
+        }
+        return 0;
+}
+static int tgt_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+        unsigned long addr;
+        int err;
+        if (vma->vm_pgoff)
+                return -EINVAL;
+        if (vma->vm_end - vma->vm_start != TGT_RING_SIZE * 2) {
+                eprintk("mmap size must be %lu, not %lu \n",
+                        TGT_RING_SIZE * 2, vma->vm_end - vma->vm_start);
+                return -EINVAL;
+        }
+        addr = vma->vm_start;
+        err = uspace_ring_map(vma, addr, &tx_ring);
+        if (err)
+                return err;
+        err = uspace_ring_map(vma, addr + TGT_RING_SIZE, &rx_ring);
+        return err;
+}
+static int tgt_open(struct inode *inode, struct file *file)
+{
+        tx_ring.tr_idx = rx_ring.tr_idx = 0;
+        return 0;
+}
+static struct file_operations tgt_fops = {
+        .owner          = THIS_MODULE,
+        .open           = tgt_open,
+        .poll           = tgt_poll,
+        .write          = tgt_write,
+        .mmap           = tgt_mmap,
+};
+static struct miscdevice tgt_miscdev = {
+        .minor = MISC_DYNAMIC_MINOR,
+        .name = "tgt",
+        .fops = &tgt_fops,
+};
+static void tgt_ring_exit(struct tgt_ring *ring)
+{
+        int i;
+        for (i = 0; i < TGT_RING_PAGES; i++)
+                free_page(ring->tr_pages[i]);
+}
+static int tgt_ring_init(struct tgt_ring *ring)
+{
+        int i;
+        spin_lock_init(&ring->tr_lock);
+        for (i = 0; i < TGT_RING_PAGES; i++) {
+                ring->tr_pages[i] = get_zeroed_page(GFP_KERNEL);
+                if (!ring->tr_pages[i]) {
+                        eprintk("out of memory\n");
+                        return -ENOMEM;
+                }
+        }
+        return 0;
+}
+void scsi_tgt_if_exit(void)
+{
+        tgt_ring_exit(&tx_ring);
+        tgt_ring_exit(&rx_ring);
+        misc_deregister(&tgt_miscdev);
+}
+int scsi_tgt_if_init(void)
+{
+        int err;
+        err = tgt_ring_init(&tx_ring);
+        if (err)
+                return err;
+        err = tgt_ring_init(&rx_ring);
+        if (err)
+                goto free_tx_ring;
+        err = misc_register(&tgt_miscdev);
+        if (err)
+                goto free_rx_ring;
+        return 0;
+free_rx_ring:
+        tgt_ring_exit(&rx_ring);
+free_tx_ring:
+        tgt_ring_exit(&tx_ring);
+        return err;
+}
diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
new file mode 100644
index 000000000000..39da5cd6fb6f
--- /dev/null
+++ b/drivers/scsi/scsi_tgt_lib.c
@@ -0,0 +1,742 @@
+/*
+ * SCSI target lib functions
+ *
+ * Copyright (C) 2005 Mike Christie <michaelc@cs.wisc.edu>
+ * Copyright (C) 2005 FUJITA Tomonori <tomof@acm.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#include <linux/blkdev.h>
+#include <linux/hash.h>
+#include <linux/module.h>
+#include <linux/pagemap.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tgt.h>
+#include <../drivers/md/dm-bio-list.h>
+#include "scsi_tgt_priv.h"
+static struct workqueue_struct *scsi_tgtd;
+static kmem_cache_t *scsi_tgt_cmd_cache;
+/*
+ * TODO: this struct will be killed when the block layer supports large bios
+ * and James's work struct code is in
+ */
+struct scsi_tgt_cmd {
+        /* TODO replace work with James b's code */
+        struct work_struct work;
+        /* TODO replace the lists with a large bio */
+        struct bio_list xfer_done_list;
+        struct bio_list xfer_list;
+        struct list_head hash_list;
+        struct request *rq;
+        u64 tag;
+        void *buffer;
+        unsigned bufflen;
+};
+#define TGT_HASH_ORDER  4
+#define cmd_hashfn(tag) hash_long((unsigned long) (tag), TGT_HASH_ORDER)
+struct scsi_tgt_queuedata {
+        struct Scsi_Host *shost;
+        struct list_head cmd_hash[1 << TGT_HASH_ORDER];
+        spinlock_t cmd_hash_lock;
+};
+/*
+ * Function:    scsi_host_get_command()
+ *
+ * Purpose:     Allocate and setup a scsi command block and blk request
+ *
+ * Arguments:   shost   - scsi host
+ *              data_dir - dma data dir
+ *              gfp_mask- allocator flags
+ *
+ * Returns:     The allocated scsi command structure.
+ *
+ * This should be called by target LLDs to get a command.
+ */
+struct scsi_cmnd *scsi_host_get_command(struct Scsi_Host *shost,
+                                        enum dma_data_direction data_dir,
+                                        gfp_t gfp_mask)
+{
+        int write = (data_dir == DMA_TO_DEVICE);
+        struct request *rq;
+        struct scsi_cmnd *cmd;
+        struct scsi_tgt_cmd *tcmd;
+        /* Bail if we can't get a reference to the device */
+        if (!get_device(&shost->shost_gendev))
+                return NULL;
+        tcmd = kmem_cache_alloc(scsi_tgt_cmd_cache, GFP_ATOMIC);
+        if (!tcmd)
+                goto put_dev;
+        rq = blk_get_request(shost->uspace_req_q, write, gfp_mask);
+        if (!rq)
+                goto free_tcmd;
+        cmd = __scsi_get_command(shost, gfp_mask);
+        if (!cmd)
+                goto release_rq;
+        memset(cmd, 0, sizeof(*cmd));
+        cmd->sc_data_direction = data_dir;
+        cmd->jiffies_at_alloc = jiffies;
+        cmd->request = rq;
+        rq->special = cmd;
+        rq->cmd_type = REQ_TYPE_SPECIAL;
+        rq->cmd_flags |= REQ_TYPE_BLOCK_PC;
+        rq->end_io_data = tcmd;
+        bio_list_init(&tcmd->xfer_list);
+        bio_list_init(&tcmd->xfer_done_list);
+        tcmd->rq = rq;
+        return cmd;
+release_rq:
+        blk_put_request(rq);
+free_tcmd:
+        kmem_cache_free(scsi_tgt_cmd_cache, tcmd);
+put_dev:
+        put_device(&shost->shost_gendev);
+        return NULL;
+}
+EXPORT_SYMBOL_GPL(scsi_host_get_command);
+/*
+ * Function:    scsi_host_put_command()
+ *
+ * Purpose:     Free a scsi command block
+ *
+ * Arguments:   shost   - scsi host
+ *              cmd     - command block to free
+ *
+ * Returns:     Nothing.
+ *
+ * Notes:       The command must not belong to any lists.
+ */
+void scsi_host_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd)
+{
+        struct request_queue *q = shost->uspace_req_q;
+        struct request *rq = cmd->request;
+        struct scsi_tgt_cmd *tcmd = rq->end_io_data;
+        unsigned long flags;
+        kmem_cache_free(scsi_tgt_cmd_cache, tcmd);
+        spin_lock_irqsave(q->queue_lock, flags);
+        __blk_put_request(q, rq);
+        spin_unlock_irqrestore(q->queue_lock, flags);
+        __scsi_put_command(shost, cmd, &shost->shost_gendev);
+}
+EXPORT_SYMBOL_GPL(scsi_host_put_command);
+static void scsi_unmap_user_pages(struct scsi_tgt_cmd *tcmd)
+{
+        struct bio *bio;
+        /* must call bio_endio in case bio was bounced */
+        while ((bio = bio_list_pop(&tcmd->xfer_done_list))) {
+                bio_endio(bio, bio->bi_size, 0);
+                bio_unmap_user(bio);
+        }
+        while ((bio = bio_list_pop(&tcmd->xfer_list))) {
+                bio_endio(bio, bio->bi_size, 0);
+                bio_unmap_user(bio);
+        }
+}
+static void cmd_hashlist_del(struct scsi_cmnd *cmd)
+{
+        struct request_queue *q = cmd->request->q;
+        struct scsi_tgt_queuedata *qdata = q->queuedata;
+        unsigned long flags;
+        struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+        spin_lock_irqsave(&qdata->cmd_hash_lock, flags);
+        list_del(&tcmd->hash_list);
+        spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags);
+}
+static void scsi_tgt_cmd_destroy(void *data)
+{
+        struct scsi_cmnd *cmd = data;
+        struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+        dprintk("cmd %p %d %lu\n", cmd, cmd->sc_data_direction,
+                rq_data_dir(cmd->request));
+        /*
+         * We fix rq->cmd_flags here since when we told bio_map_user
+         * to write vm for WRITE commands, blk_rq_bio_prep set
+         * rq_data_dir the flags to READ.
+         */
+        if (cmd->sc_data_direction == DMA_TO_DEVICE)
+                cmd->request->cmd_flags |= REQ_RW;
+        else
+                cmd->request->cmd_flags &= ~REQ_RW;
+        scsi_unmap_user_pages(tcmd);
+        scsi_host_put_command(scsi_tgt_cmd_to_host(cmd), cmd);
+}
+static void init_scsi_tgt_cmd(struct request *rq, struct scsi_tgt_cmd *tcmd,
+                              u64 tag)
+{
+        struct scsi_tgt_queuedata *qdata = rq->q->queuedata;
+        unsigned long flags;
+        struct list_head *head;
+        tcmd->tag = tag;
+        spin_lock_irqsave(&qdata->cmd_hash_lock, flags);
+        head = &qdata->cmd_hash[cmd_hashfn(tag)];
+        list_add(&tcmd->hash_list, head);
+        spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags);
+}
+/*
+ * scsi_tgt_alloc_queue - setup queue used for message passing
+ * shost: scsi host
+ *
+ * This should be called by the LLD after host allocation.
+ * And will be released when the host is released.
+ */
+int scsi_tgt_alloc_queue(struct Scsi_Host *shost)
+{
+        struct scsi_tgt_queuedata *queuedata;
+        struct request_queue *q;
+        int err, i;
+        /*
+         * Do we need to send a netlink event or should uspace
+         * just respond to the hotplug event?
+         */
+        q = __scsi_alloc_queue(shost, NULL);
+        if (!q)
+                return -ENOMEM;
+        queuedata = kzalloc(sizeof(*queuedata), GFP_KERNEL);
+        if (!queuedata) {
+                err = -ENOMEM;
+                goto cleanup_queue;
+        }
+        queuedata->shost = shost;
+        q->queuedata = queuedata;
+        /*
+         * this is a silly hack. We should probably just queue as many
+         * command as is recvd to userspace. uspace can then make
+         * sure we do not overload the HBA
+         */
+        q->nr_requests = shost->hostt->can_queue;
+        /*
+         * We currently only support software LLDs so this does
+         * not matter for now. Do we need this for the cards we support?
+         * If so we should make it a host template value.
+         */
+        blk_queue_dma_alignment(q, 0);
+        shost->uspace_req_q = q;
+        for (i = 0; i < ARRAY_SIZE(queuedata->cmd_hash); i++)
+                INIT_LIST_HEAD(&queuedata->cmd_hash[i]);
+        spin_lock_init(&queuedata->cmd_hash_lock);
+        return 0;
+cleanup_queue:
+        blk_cleanup_queue(q);
+        return err;
+}
+EXPORT_SYMBOL_GPL(scsi_tgt_alloc_queue);
+void scsi_tgt_free_queue(struct Scsi_Host *shost)
+{
+        int i;
+        unsigned long flags;
+        struct request_queue *q = shost->uspace_req_q;
+        struct scsi_cmnd *cmd;
+        struct scsi_tgt_queuedata *qdata = q->queuedata;
+        struct scsi_tgt_cmd *tcmd, *n;
+        LIST_HEAD(cmds);
+        spin_lock_irqsave(&qdata->cmd_hash_lock, flags);
+        for (i = 0; i < ARRAY_SIZE(qdata->cmd_hash); i++) {
+                list_for_each_entry_safe(tcmd, n, &qdata->cmd_hash[i],
+                                         hash_list) {
+                        list_del(&tcmd->hash_list);
+                        list_add(&tcmd->hash_list, &cmds);
+                }
+        }
+        spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags);
+        while (!list_empty(&cmds)) {
+                tcmd = list_entry(cmds.next, struct scsi_tgt_cmd, hash_list);
+                list_del(&tcmd->hash_list);
+                cmd = tcmd->rq->special;
+                shost->hostt->eh_abort_handler(cmd);
+                scsi_tgt_cmd_destroy(cmd);
+        }
+}
+EXPORT_SYMBOL_GPL(scsi_tgt_free_queue);
+struct Scsi_Host *scsi_tgt_cmd_to_host(struct scsi_cmnd *cmd)
+{
+        struct scsi_tgt_queuedata *queue = cmd->request->q->queuedata;
+        return queue->shost;
+}
+EXPORT_SYMBOL_GPL(scsi_tgt_cmd_to_host);
+/*
+ * scsi_tgt_queue_command - queue command for userspace processing
+ * @cmd:        scsi command
+ * @scsilun:    scsi lun
+ * @tag:        unique value to identify this command for tmf
+ */
+int scsi_tgt_queue_command(struct scsi_cmnd *cmd, struct scsi_lun *scsilun,
+                           u64 tag)
+{
+        struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+        int err;
+        init_scsi_tgt_cmd(cmd->request, tcmd, tag);
+        err = scsi_tgt_uspace_send_cmd(cmd, scsilun, tag);
+        if (err)
+                cmd_hashlist_del(cmd);
+        return err;
+}
+EXPORT_SYMBOL_GPL(scsi_tgt_queue_command);
+/*
+ * This is run from a interrpt handler normally and the unmap
+ * needs process context so we must queue
+ */
+static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd)
+{
+        struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+        dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request));
+        scsi_tgt_uspace_send_status(cmd, tcmd->tag);
+        INIT_WORK(&tcmd->work, scsi_tgt_cmd_destroy, cmd);
+        queue_work(scsi_tgtd, &tcmd->work);
+}
+static int __scsi_tgt_transfer_response(struct scsi_cmnd *cmd)
+{
+        struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd);
+        int err;
+        dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request));
+        err = shost->hostt->transfer_response(cmd, scsi_tgt_cmd_done);
+        switch (err) {
+        case SCSI_MLQUEUE_HOST_BUSY:
+        case SCSI_MLQUEUE_DEVICE_BUSY:
+                return -EAGAIN;
+        }
+        return 0;
+}
+static void scsi_tgt_transfer_response(struct scsi_cmnd *cmd)
+{
+        struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+        int err;
+        err = __scsi_tgt_transfer_response(cmd);
+        if (!err)
+                return;
+        cmd->result = DID_BUS_BUSY << 16;
+        err = scsi_tgt_uspace_send_status(cmd, tcmd->tag);
+        if (err <= 0)
+                /* the eh will have to pick this up */
+                printk(KERN_ERR "Could not send cmd %p status\n", cmd);
+}
+static int scsi_tgt_init_cmd(struct scsi_cmnd *cmd, gfp_t gfp_mask)
+{
+        struct request *rq = cmd->request;
+        struct scsi_tgt_cmd *tcmd = rq->end_io_data;
+        int count;
+        cmd->use_sg = rq->nr_phys_segments;
+        cmd->request_buffer = scsi_alloc_sgtable(cmd, gfp_mask);
+        if (!cmd->request_buffer)
+                return -ENOMEM;
+        cmd->request_bufflen = rq->data_len;
+        dprintk("cmd %p addr %p cnt %d %lu\n", cmd, tcmd->buffer, cmd->use_sg,
+                rq_data_dir(rq));
+        count = blk_rq_map_sg(rq->q, rq, cmd->request_buffer);
+        if (likely(count <= cmd->use_sg)) {
+                cmd->use_sg = count;
+                return 0;
+        }
+        eprintk("cmd %p addr %p cnt %d\n", cmd, tcmd->buffer, cmd->use_sg);
+        scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len);
+        return -EINVAL;
+}
+/* TODO: test this crap and replace bio_map_user with new interface maybe */
+static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd,
+                               int rw)
+{
+        struct request_queue *q = cmd->request->q;
+        struct request *rq = cmd->request;
+        void *uaddr = tcmd->buffer;
+        unsigned int len = tcmd->bufflen;
+        struct bio *bio;
+        int err;
+        while (len > 0) {
+                dprintk("%lx %u\n", (unsigned long) uaddr, len);
+                bio = bio_map_user(q, NULL, (unsigned long) uaddr, len, rw);
+                if (IS_ERR(bio)) {
+                        err = PTR_ERR(bio);
+                        dprintk("fail to map %lx %u %d %x\n",
+                                (unsigned long) uaddr, len, err, cmd->cmnd[0]);
+                        goto unmap_bios;
+                }
+                uaddr += bio->bi_size;
+                len -= bio->bi_size;
+                /*
+                 * The first bio is added and merged. We could probably
+                 * try to add others using scsi_merge_bio() but for now
+                 * we keep it simple. The first bio should be pretty large
+                 * (either hitting the 1 MB bio pages limit or a queue limit)
+                 * already but for really large IO we may want to try and
+                 * merge these.
+                 */
+                if (!rq->bio) {
+                        blk_rq_bio_prep(q, rq, bio);
+                        rq->data_len = bio->bi_size;
+                } else
+                        /* put list of bios to transfer in next go around */
+                        bio_list_add(&tcmd->xfer_list, bio);
+        }
+        cmd->offset = 0;
+        err = scsi_tgt_init_cmd(cmd, GFP_KERNEL);
+        if (err)
+                goto unmap_bios;
+        return 0;
+unmap_bios:
+        if (rq->bio) {
+                bio_unmap_user(rq->bio);
+                while ((bio = bio_list_pop(&tcmd->xfer_list)))
+                        bio_unmap_user(bio);
+        }
+        return err;
+}
+static int scsi_tgt_transfer_data(struct scsi_cmnd *);
+static void scsi_tgt_data_transfer_done(struct scsi_cmnd *cmd)
+{
+        struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
+        struct bio *bio;
+        int err;
+        /* should we free resources here on error ? */
+        if (cmd->result) {
+send_uspace_err:
+                err = scsi_tgt_uspace_send_status(cmd, tcmd->tag);
+                if (err <= 0)
+                        /* the tgt uspace eh will have to pick this up */
+                        printk(KERN_ERR "Could not send cmd %p status\n", cmd);
+                return;
+        }
+        dprintk("cmd %p request_bufflen %u bufflen %u\n",
+                cmd, cmd->request_bufflen, tcmd->bufflen);
+        scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len);
+        bio_list_add(&tcmd->xfer_done_list, cmd->request->bio);
+        tcmd->buffer += cmd->request_bufflen;
+        cmd->offset += cmd->request_bufflen;
+        if (!tcmd->xfer_list.head) {
+                scsi_tgt_transfer_response(cmd);
+                return;
+        }
+        dprintk("cmd2 %p request_bufflen %u bufflen %u\n",
+                cmd, cmd->request_bufflen, tcmd->bufflen);
+        bio = bio_list_pop(&tcmd->xfer_list);
+        BUG_ON(!bio);
+        blk_rq_bio_prep(cmd->request->q, cmd->request, bio);
+        cmd->request->data_len = bio->bi_size;
+        err = scsi_tgt_init_cmd(cmd, GFP_ATOMIC);
+        if (err) {
+                cmd->result = DID_ERROR << 16;
+                goto send_uspace_err;
+        }
+        if (scsi_tgt_transfer_data(cmd)) {
+                cmd->result = DID_NO_CONNECT << 16;
+                goto send_uspace_err;
+        }
+}
+static int scsi_tgt_transfer_data(struct scsi_cmnd *cmd)
+{
+        int err;
+        struct Scsi_Host *host = scsi_tgt_cmd_to_host(cmd);
+        err = host->hostt->transfer_data(cmd, scsi_tgt_data_transfer_done);
+        switch (err) {
+                case SCSI_MLQUEUE_HOST_BUSY:
+                case SCSI_MLQUEUE_DEVICE_BUSY:
+                        return -EAGAIN;
+        default:
+                return 0;
+        }
+}
+static int scsi_tgt_copy_sense(struct scsi_cmnd *cmd, unsigned long uaddr,
+                                unsigned len)
+{
+        char __user *p = (char __user *) uaddr;
+        if (copy_from_user(cmd->sense_buffer, p,
+                           min_t(unsigned, SCSI_SENSE_BUFFERSIZE, len))) {
+                printk(KERN_ERR "Could not copy the sense buffer\n");
+                return -EIO;
+        }
+        return 0;
+}
+static int scsi_tgt_abort_cmd(struct Scsi_Host *shost, struct scsi_cmnd *cmd)
+{
+        int err;
+        err = shost->hostt->eh_abort_handler(cmd);
+        if (err)
+                eprintk("fail to abort %p\n", cmd);
+        scsi_tgt_cmd_destroy(cmd);
+        return err;
+}
+static struct request *tgt_cmd_hash_lookup(struct request_queue *q, u64 tag)
+{
+        struct scsi_tgt_queuedata *qdata = q->queuedata;
+        struct request *rq = NULL;
+        struct list_head *head;
+        struct scsi_tgt_cmd *tcmd;
+        unsigned long flags;
+        head = &qdata->cmd_hash[cmd_hashfn(tag)];
+        spin_lock_irqsave(&qdata->cmd_hash_lock, flags);
+        list_for_each_entry(tcmd, head, hash_list) {
+                if (tcmd->tag == tag) {
+                        rq = tcmd->rq;
+                        list_del(&tcmd->hash_list);
+                        break;
+                }
+        }
+        spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags);
+        return rq;
+}
+int scsi_tgt_kspace_exec(int host_no, u64 tag, int result, u32 len,
+                         unsigned long uaddr, u8 rw)
+{
+        struct Scsi_Host *shost;
+        struct scsi_cmnd *cmd;
+        struct request *rq;
+        struct scsi_tgt_cmd *tcmd;
+        int err = 0;
+        dprintk("%d %llu %d %u %lx %u\n", host_no, (unsigned long long) tag,
+                result, len, uaddr, rw);
+        /* TODO: replace with a O(1) alg */
+        shost = scsi_host_lookup(host_no);
+        if (IS_ERR(shost)) {
+                printk(KERN_ERR "Could not find host no %d\n", host_no);
+                return -EINVAL;
+        }
+        if (!shost->uspace_req_q) {
+                printk(KERN_ERR "Not target scsi host %d\n", host_no);
+                goto done;
+        }
+        rq = tgt_cmd_hash_lookup(shost->uspace_req_q, tag);
+        if (!rq) {
+                printk(KERN_ERR "Could not find tag %llu\n",
+                       (unsigned long long) tag);
+                err = -EINVAL;
+                goto done;
+        }
+        cmd = rq->special;
+        dprintk("cmd %p result %d len %d bufflen %u %lu %x\n", cmd,
+                result, len, cmd->request_bufflen, rq_data_dir(rq), cmd->cmnd[0]);
+        if (result == TASK_ABORTED) {
+                scsi_tgt_abort_cmd(shost, cmd);
+                goto done;
+        }
+        /*
+         * store the userspace values here, the working values are
+         * in the request_* values
+         */
+        tcmd = cmd->request->end_io_data;
+        tcmd->buffer = (void *)uaddr;
+        tcmd->bufflen = len;
+        cmd->result = result;
+        if (!tcmd->bufflen || cmd->request_buffer) {
+                err = __scsi_tgt_transfer_response(cmd);
+                goto done;
+        }
+        /*
+         * TODO: Do we need to handle case where request does not
+         * align with LLD.
+         */
+        err = scsi_map_user_pages(rq->end_io_data, cmd, rw);
+        if (err) {
+                eprintk("%p %d\n", cmd, err);
+                err = -EAGAIN;
+                goto done;
+        }
+        /* userspace failure */
+        if (cmd->result) {
+                if (status_byte(cmd->result) == CHECK_CONDITION)
+                        scsi_tgt_copy_sense(cmd, uaddr, len);
+                err = __scsi_tgt_transfer_response(cmd);
+                goto done;
+        }
+        /* ask the target LLD to transfer the data to the buffer */
+        err = scsi_tgt_transfer_data(cmd);
+done:
+        scsi_host_put(shost);
+        return err;
+}
+int scsi_tgt_tsk_mgmt_request(struct Scsi_Host *shost, int function, u64 tag,
+                              struct scsi_lun *scsilun, void *data)
+{
+        int err;
+        /* TODO: need to retry if this fails. */
+        err = scsi_tgt_uspace_send_tsk_mgmt(shost->host_no, function,
+                                            tag, scsilun, data);
+        if (err < 0)
+                eprintk("The task management request lost!\n");
+        return err;
+}
+EXPORT_SYMBOL_GPL(scsi_tgt_tsk_mgmt_request);
+int scsi_tgt_kspace_tsk_mgmt(int host_no, u64 mid, int result)
+{
+        struct Scsi_Host *shost;
+        int err = -EINVAL;
+        dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid);
+        shost = scsi_host_lookup(host_no);
+        if (IS_ERR(shost)) {
+                printk(KERN_ERR "Could not find host no %d\n", host_no);
+                return err;
+        }
+        if (!shost->uspace_req_q) {
+                printk(KERN_ERR "Not target scsi host %d\n", host_no);
+                goto done;
+        }
+        err = shost->hostt->tsk_mgmt_response(mid, result);
+done:
+        scsi_host_put(shost);
+        return err;
+}
+static int __init scsi_tgt_init(void)
+{
+        int err;
+        scsi_tgt_cmd_cache = kmem_cache_create("scsi_tgt_cmd",
+                                               sizeof(struct scsi_tgt_cmd),
+                                               0, 0, NULL, NULL);
+        if (!scsi_tgt_cmd_cache)
+                return -ENOMEM;
+        scsi_tgtd = create_workqueue("scsi_tgtd");
+        if (!scsi_tgtd) {
+                err = -ENOMEM;
+                goto free_kmemcache;
+        }
+        err = scsi_tgt_if_init();
+        if (err)
+                goto destroy_wq;
+        return 0;
+destroy_wq:
+        destroy_workqueue(scsi_tgtd);
+free_kmemcache:
+        kmem_cache_destroy(scsi_tgt_cmd_cache);
+        return err;
+}
+static void __exit scsi_tgt_exit(void)
+{
+        destroy_workqueue(scsi_tgtd);
+        scsi_tgt_if_exit();
+        kmem_cache_destroy(scsi_tgt_cmd_cache);
+}
+module_init(scsi_tgt_init);
+module_exit(scsi_tgt_exit);
+MODULE_DESCRIPTION("SCSI target core");
+MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/scsi_tgt_priv.h b/drivers/scsi/scsi_tgt_priv.h
new file mode 100644
index 000000000000..84488c51ff62
--- /dev/null
+++ b/drivers/scsi/scsi_tgt_priv.h
@@ -0,0 +1,25 @@
+struct scsi_cmnd;
+struct scsi_lun;
+struct Scsi_Host;
+struct task_struct;
+/* tmp - will replace with SCSI logging stuff */
+#define eprintk(fmt, args...)                                   \
+do {                                                            \
+        printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args);  \
+} while (0)
+#define dprintk(fmt, args...)
+/* #define dprintk eprintk */
+extern void scsi_tgt_if_exit(void);
+extern int scsi_tgt_if_init(void);
+extern int scsi_tgt_uspace_send_cmd(struct scsi_cmnd *cmd, struct scsi_lun *lun,
+                                    u64 tag);
+extern int scsi_tgt_uspace_send_status(struct scsi_cmnd *cmd, u64 tag);
+extern int scsi_tgt_kspace_exec(int host_no, u64 tag, int result, u32 len,
+                                unsigned long uaddr, u8 rw);
+extern int scsi_tgt_uspace_send_tsk_mgmt(int host_no, int function, u64 tag,
+                                         struct scsi_lun *scsilun, void *data);
+extern int scsi_tgt_kspace_tsk_mgmt(int host_no, u64 mid, int result);
diff --git a/drivers/scsi/scsi_wait_scan.c b/drivers/scsi/scsi_wait_scan.c
new file mode 100644
index 000000000000..8a636103083d
--- /dev/null
+++ b/drivers/scsi/scsi_wait_scan.c
@@ -0,0 +1,31 @@
+/*
+ * scsi_wait_scan.c
+ *
+ * Copyright (C) 2006 James Bottomley <James.Bottomley@SteelEye.com>
+ *
+ * This is a simple module to wait until all the async scans are
+ * complete.  The idea is to use it in initrd/initramfs scripts.  You
+ * modprobe it after all the modprobes of the root SCSI drivers and it
+ * will wait until they have all finished scanning their busses before
+ * allowing the boot to proceed
+ */
+#include <linux/module.h>
+#include "scsi_priv.h"
+static int __init wait_scan_init(void)
+{
+        scsi_complete_async_scans();
+        return 0;
+}
+static void __exit wait_scan_exit(void)
+{
+}
+MODULE_DESCRIPTION("SCSI wait for scans");
+MODULE_AUTHOR("James Bottomley");
+MODULE_LICENSE("GPL");
+late_initcall(wait_scan_init);
+module_exit(wait_scan_exit);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 84ff203ffedd..f6a452846fab 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1051,6 +1051,14 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname)
                                                      &sshdr, SD_TIMEOUT,
                                                      SD_MAX_RETRIES);
+                        /*
+                         * If the drive has indicated to us that it
+                         * doesn't have any media in it, don't bother
+                         * with any more polling.
+                         */
+                        if (media_not_present(sdkp, &sshdr))
+                                return;
                        if (the_result)
                                sense_valid = scsi_sense_valid(&sshdr);
                        retries++;
@@ -1059,14 +1067,6 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname)
                          ((driver_byte(the_result) & DRIVER_SENSE) &&
                          sense_valid && sshdr.sense_key == UNIT_ATTENTION)));
-                /*
-                 * If the drive has indicated to us that it doesn't have
-                 * any media in it, don't bother with any of the rest of
-                 * this crap.
-                 */
-                if (media_not_present(sdkp, &sshdr))
-                        return;
                if ((driver_byte(the_result) & DRIVER_SENSE) == 0) {
                        /* no sense, TUR either succeeded or failed
                         * with a status error */
@@ -1467,7 +1467,6 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
        res = sd_do_mode_sense(sdp, dbd, modepage, buffer, len, &data, &sshdr);
        if (scsi_status_is_good(res)) {
-                int ct = 0;
                int offset = data.header_length + data.block_descriptor_length;
                if (offset >= SD_BUF_SIZE - 2) {
@@ -1496,11 +1495,13 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
                        sdkp->DPOFUA = 0;
                }
-                ct =  sdkp->RCD + 2*sdkp->WCE;
+                printk(KERN_NOTICE "SCSI device %s: "
+                       "write cache: %s, read cache: %s, %s\n",
-                printk(KERN_NOTICE "SCSI device %s: drive cache: %s%s\n",
+                       diskname,
-                       diskname, sd_cache_types[ct],
+                       sdkp->WCE ? "enabled" : "disabled",
-                       sdkp->DPOFUA ? " w/ FUA" : "");
+                       sdkp->RCD ? "disabled" : "enabled",
+                       sdkp->DPOFUA ? "supports DPO and FUA"
+                       : "doesn't support DPO or FUA");
                return;
        }
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index e1a52c525ed4..587274dd7059 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -9,7 +9,7 @@
   Steve Hirsch, Andreas Koppenh"ofer, Michael Leodolter, Eyal Lebedinsky,
   Michael Schaefer, J"org Weule, and Eric Youngdale.
-   Copyright 1992 - 2005 Kai Makisara
+   Copyright 1992 - 2006 Kai Makisara
   email Kai.Makisara@kolumbus.fi
   Some small formal changes - aeb, 950809
@@ -17,7 +17,7 @@
   Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support
 */
-static const char *verstr = "20050830";
+static const char *verstr = "20061107";
 #include <linux/module.h>
@@ -999,7 +999,7 @@ static int check_tape(struct scsi_tape *STp, struct file *filp)
                        STp->min_block = ((STp->buffer)->b_data[4] << 8) |
                            (STp->buffer)->b_data[5];
                        if ( DEB( debugging || ) !STp->inited)
-                                printk(KERN_WARNING
+                                printk(KERN_INFO
                                       "%s: Block limits %d - %d bytes.\n", name,
                                       STp->min_block, STp->max_block);
                } else {
@@ -1224,7 +1224,7 @@ static int st_flush(struct file *filp, fl_owner_t id)
        }
        DEBC( if (STp->nbr_requests)
-                printk(KERN_WARNING "%s: Number of r/w requests %d, dio used in %d, pages %d (%d).\n",
+                printk(KERN_DEBUG "%s: Number of r/w requests %d, dio used in %d, pages %d (%d).\n",
                       name, STp->nbr_requests, STp->nbr_dio, STp->nbr_pages, STp->nbr_combinable));
        if (STps->rw == ST_WRITING && !STp->pos_unknown) {
@@ -4056,11 +4056,11 @@ static int st_probe(struct device *dev)
                        goto out_free_tape;
        }
-        sdev_printk(KERN_WARNING, SDp,
+        sdev_printk(KERN_NOTICE, SDp,
                    "Attached scsi tape %s\n", tape_name(tpnt));
-        printk(KERN_WARNING "%s: try direct i/o: %s (alignment %d B)\n",
+        sdev_printk(KERN_INFO, SDp, "%s: try direct i/o: %s (alignment %d B)\n",
-               tape_name(tpnt), tpnt->try_dio ? "yes" : "no",
+                    tape_name(tpnt), tpnt->try_dio ? "yes" : "no",
-               queue_dma_alignment(SDp->request_queue) + 1);
+                    queue_dma_alignment(SDp->request_queue) + 1);
        return 0;
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 185c270bb043..ba6bcdaf2a6a 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -11,8 +11,6 @@
 *      Written By:
 *              Ed Lin <promise_linux@promise.com>
 *
- *      Version: 3.0.0.1
- *
 */
 #include <linux/init.h>
@@ -37,9 +35,9 @@
 #include <scsi/scsi_tcq.h>
 #define DRV_NAME "stex"
-#define ST_DRIVER_VERSION "3.0.0.1"
+#define ST_DRIVER_VERSION "3.1.0.1"
 #define ST_VER_MAJOR            3
-#define ST_VER_MINOR            0
+#define ST_VER_MINOR            1
 #define ST_OEM                  0
 #define ST_BUILD_VER            1
@@ -76,8 +74,10 @@ enum {
        MU_STATE_STARTED                        = 4,
        MU_STATE_RESETTING                      = 5,
-        MU_MAX_DELAY_TIME                       = 240000,
+        MU_MAX_DELAY                            = 120,
        MU_HANDSHAKE_SIGNATURE                  = 0x55aaaa55,
+        MU_HANDSHAKE_SIGNATURE_HALF             = 0x5a5a0000,
+        MU_HARD_RESET_WAIT                      = 30000,
        HMU_PARTNER_TYPE                        = 2,
        /* firmware returned values */
@@ -120,7 +120,8 @@ enum {
        st_shasta                               = 0,
        st_vsc                                  = 1,
-        st_yosemite                             = 2,
+        st_vsc1                                 = 2,
+        st_yosemite                             = 3,
        PASSTHRU_REQ_TYPE                       = 0x00000001,
        PASSTHRU_REQ_NO_WAKEUP                  = 0x00000100,
@@ -150,6 +151,8 @@ enum {
        MGT_CMD_SIGNATURE                       = 0xba,
        INQUIRY_EVPD                            = 0x01,
+        ST_ADDITIONAL_MEM                       = 0x200000,
 };
 /* SCSI inquiry data */
@@ -211,7 +214,9 @@ struct handshake_frame {
        __le32 partner_ver_minor;
        __le32 partner_ver_oem;
        __le32 partner_ver_build;
-        u32 reserved1[4];
+        __le32 extra_offset;    /* NEW */
+        __le32 extra_size;      /* NEW */
+        u32 reserved1[2];
 };
 struct req_msg {
@@ -302,6 +307,7 @@ struct st_hba {
        void __iomem *mmio_base;        /* iomapped PCI memory space */
        void *dma_mem;
        dma_addr_t dma_handle;
+        size_t dma_size;
        struct Scsi_Host *host;
        struct pci_dev *pdev;
@@ -507,6 +513,7 @@ static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb)
        size_t count = sizeof(struct st_frame);
        p = hba->copy_buffer;
+        stex_internal_copy(ccb->cmd, p, &count, ccb->sg_count, ST_FROM_CMD);
        memset(p->base, 0, sizeof(u32)*6);
        *(unsigned long *)(p->base) = pci_resource_start(hba->pdev, 0);
        p->rom_addr = 0;
@@ -901,27 +908,34 @@ static int stex_handshake(struct st_hba *hba)
        void __iomem *base = hba->mmio_base;
        struct handshake_frame *h;
        dma_addr_t status_phys;
-        int i;
+        u32 data;
+        unsigned long before;
        if (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) {
                writel(MU_INBOUND_DOORBELL_HANDSHAKE, base + IDBL);
                readl(base + IDBL);
-                for (i = 0; readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE
+                before = jiffies;
-                        && i < MU_MAX_DELAY_TIME; i++) {
+                while (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) {
+                        if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) {
+                                printk(KERN_ERR DRV_NAME
+                                        "(%s): no handshake signature\n",
+                                        pci_name(hba->pdev));
+                                return -1;
+                        }
                        rmb();
                        msleep(1);
                }
-                if (i == MU_MAX_DELAY_TIME) {
-                        printk(KERN_ERR DRV_NAME
-                                "(%s): no handshake signature\n",
-                                pci_name(hba->pdev));
-                        return -1;
-                }
        }
        udelay(10);
+        data = readl(base + OMR1);
+        if ((data & 0xffff0000) == MU_HANDSHAKE_SIGNATURE_HALF) {
+                data &= 0x0000ffff;
+                if (hba->host->can_queue > data)
+                        hba->host->can_queue = data;
+        }
        h = (struct handshake_frame *)(hba->dma_mem + MU_REQ_BUFFER_SIZE);
        h->rb_phy = cpu_to_le32(hba->dma_handle);
        h->rb_phy_hi = cpu_to_le32((hba->dma_handle >> 16) >> 16);
@@ -931,6 +945,11 @@ static int stex_handshake(struct st_hba *hba)
        h->status_cnt = cpu_to_le16(MU_STATUS_COUNT);
        stex_gettime(&h->hosttime);
        h->partner_type = HMU_PARTNER_TYPE;
+        if (hba->dma_size > STEX_BUFFER_SIZE) {
+                h->extra_offset = cpu_to_le32(STEX_BUFFER_SIZE);
+                h->extra_size = cpu_to_le32(ST_ADDITIONAL_MEM);
+        } else
+                h->extra_offset = h->extra_size = 0;
        status_phys = hba->dma_handle + MU_REQ_BUFFER_SIZE;
        writel(status_phys, base + IMR0);
@@ -944,19 +963,18 @@ static int stex_handshake(struct st_hba *hba)
        readl(base + IDBL); /* flush */
        udelay(10);
-        for (i = 0; readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE
+        before = jiffies;
-                && i < MU_MAX_DELAY_TIME; i++) {
+        while (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) {
+                if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) {
+                        printk(KERN_ERR DRV_NAME
+                                "(%s): no signature after handshake frame\n",
+                                pci_name(hba->pdev));
+                        return -1;
+                }
                rmb();
                msleep(1);
        }
-        if (i == MU_MAX_DELAY_TIME) {
-                printk(KERN_ERR DRV_NAME
-                        "(%s): no signature after handshake frame\n",
-                        pci_name(hba->pdev));
-                return -1;
-        }
        writel(0, base + IMR0);
        readl(base + IMR0);
        writel(0, base + OMR0);
@@ -1038,9 +1056,9 @@ static void stex_hard_reset(struct st_hba *hba)
        pci_bctl &= ~PCI_BRIDGE_CTL_BUS_RESET;
        pci_write_config_byte(bus->self, PCI_BRIDGE_CONTROL, pci_bctl);
-        for (i = 0; i < MU_MAX_DELAY_TIME; i++) {
+        for (i = 0; i < MU_HARD_RESET_WAIT; i++) {
                pci_read_config_word(hba->pdev, PCI_COMMAND, &pci_cmd);
-                if (pci_cmd & PCI_COMMAND_MASTER)
+                if (pci_cmd != 0xffff && (pci_cmd & PCI_COMMAND_MASTER))
                        break;
                msleep(1);
        }
@@ -1100,18 +1118,18 @@ static int stex_reset(struct scsi_cmnd *cmd)
 static int stex_biosparam(struct scsi_device *sdev,
        struct block_device *bdev, sector_t capacity, int geom[])
 {
-        int heads = 255, sectors = 63, cylinders;
+        int heads = 255, sectors = 63;
        if (capacity < 0x200000) {
                heads = 64;
                sectors = 32;
        }
-        cylinders = sector_div(capacity, heads * sectors);
+        sector_div(capacity, heads * sectors);
        geom[0] = heads;
        geom[1] = sectors;
-        geom[2] = cylinders;
+        geom[2] = capacity;
        return 0;
 }
@@ -1193,8 +1211,13 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                goto out_iounmap;
        }
+        hba->cardtype = (unsigned int) id->driver_data;
+        if (hba->cardtype == st_vsc && (pdev->subsystem_device & 0xf) == 0x1)
+                hba->cardtype = st_vsc1;
+        hba->dma_size = (hba->cardtype == st_vsc1) ?
+                (STEX_BUFFER_SIZE + ST_ADDITIONAL_MEM) : (STEX_BUFFER_SIZE);
        hba->dma_mem = dma_alloc_coherent(&pdev->dev,
-                STEX_BUFFER_SIZE, &hba->dma_handle, GFP_KERNEL);
+                hba->dma_size, &hba->dma_handle, GFP_KERNEL);
        if (!hba->dma_mem) {
                err = -ENOMEM;
                printk(KERN_ERR DRV_NAME "(%s): dma mem alloc failed\n",
@@ -1207,8 +1230,6 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        hba->copy_buffer = hba->dma_mem + MU_BUFFER_SIZE;
        hba->mu_status = MU_STATE_STARTING;
-        hba->cardtype = (unsigned int) id->driver_data;
        /* firmware uses id/lun pair for a logical drive, but lun would be
           always 0 if CONFIG_SCSI_MULTI_LUN not configured, so we use
           channel to map lun here */
@@ -1233,7 +1254,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        if (err)
                goto out_free_irq;
-        err = scsi_init_shared_tag_map(host, ST_CAN_QUEUE);
+        err = scsi_init_shared_tag_map(host, host->can_queue);
        if (err) {
                printk(KERN_ERR DRV_NAME "(%s): init shared queue failed\n",
                        pci_name(pdev));
@@ -1256,7 +1277,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 out_free_irq:
        free_irq(pdev->irq, hba);
 out_pci_free:
-        dma_free_coherent(&pdev->dev, STEX_BUFFER_SIZE,
+        dma_free_coherent(&pdev->dev, hba->dma_size,
                          hba->dma_mem, hba->dma_handle);
 out_iounmap:
        iounmap(hba->mmio_base);
@@ -1317,7 +1338,7 @@ static void stex_hba_free(struct st_hba *hba)
        pci_release_regions(hba->pdev);
-        dma_free_coherent(&hba->pdev->dev, STEX_BUFFER_SIZE,
+        dma_free_coherent(&hba->pdev->dev, hba->dma_size,
                          hba->dma_mem, hba->dma_handle);
 }
@@ -1346,15 +1367,32 @@ static void stex_shutdown(struct pci_dev *pdev)
 }
 static struct pci_device_id stex_pci_tbl[] = {
-        { 0x105a, 0x8350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
+        /* st_shasta */
-        { 0x105a, 0xc350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
+        { 0x105a, 0x8350, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-        { 0x105a, 0xf350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
+                st_shasta }, /* SuperTrak EX8350/8300/16350/16300 */
-        { 0x105a, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
+        { 0x105a, 0xc350, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-        { 0x105a, 0x4302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
+                st_shasta }, /* SuperTrak EX12350 */
-        { 0x105a, 0x8301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
+        { 0x105a, 0x4302, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-        { 0x105a, 0x8302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta },
+                st_shasta }, /* SuperTrak EX4350 */
-        { 0x1725, 0x7250, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_vsc },
+        { 0x105a, 0xe350, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-        { 0x105a, 0x8650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_yosemite },
+                st_shasta }, /* SuperTrak EX24350 */
+        /* st_vsc */
+        { 0x105a, 0x7250, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_vsc },
+        /* st_yosemite */
+        { 0x105a, 0x8650, PCI_ANY_ID, 0x4600, 0, 0,
+                st_yosemite }, /* SuperTrak EX4650 */
+        { 0x105a, 0x8650, PCI_ANY_ID, 0x4610, 0, 0,
+                st_yosemite }, /* SuperTrak EX4650o */
+        { 0x105a, 0x8650, PCI_ANY_ID, 0x8600, 0, 0,
+                st_yosemite }, /* SuperTrak EX8650EL */
+        { 0x105a, 0x8650, PCI_ANY_ID, 0x8601, 0, 0,
+                st_yosemite }, /* SuperTrak EX8650 */
+        { 0x105a, 0x8650, PCI_ANY_ID, 0x8602, 0, 0,
+                st_yosemite }, /* SuperTrak EX8654 */
+        { 0x105a, 0x8650, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+                st_yosemite }, /* generic st_yosemite */
        { }     /* terminate list */
 };
 MODULE_DEVICE_TABLE(pci, stex_pci_tbl);
diff --git a/drivers/scsi/t128.h b/drivers/scsi/t128.h
index 646e840266e2..76a069b7ac0b 100644
--- a/drivers/scsi/t128.h
+++ b/drivers/scsi/t128.h
@@ -8,20 +8,20 @@
 *      drew@colorado.edu
 *      +1 (303) 440-4894
 *
- * DISTRIBUTION RELEASE 3. 
+ * DISTRIBUTION RELEASE 3.
 *
- * For more information, please consult 
+ * For more information, please consult
 *
 * Trantor Systems, Ltd.
 * T128/T128F/T228 SCSI Host Adapter
 * Hardware Specifications
- * 
+ *
- * Trantor Systems, Ltd. 
+ * Trantor Systems, Ltd.
 * 5415 Randall Place
 * Fremont, CA 94538
 * 1+ (415) 770-1400, FAX 1+ (415) 770-9910
- * 
+ *
- * and 
+ * and
 *
 * NCR 5380 Family
 * SCSI Protocol Controller
@@ -48,15 +48,15 @@
 #define TDEBUG_TRANSFER 0x2
 /*
- * The trantor boards are memory mapped. They use an NCR5380 or 
+ * The trantor boards are memory mapped. They use an NCR5380 or
 * equivalent (my sample board had part second sourced from ZILOG).
- * NCR's recommended "Pseudo-DMA" architecture is used, where 
+ * NCR's recommended "Pseudo-DMA" architecture is used, where
 * a PAL drives the DMA signals on the 5380 allowing fast, blind
- * transfers with proper handshaking. 
+ * transfers with proper handshaking.
 */
 /*
- * Note : a boot switch is provided for the purpose of informing the 
+ * Note : a boot switch is provided for the purpose of informing the
 * firmware to boot or not boot from attached SCSI devices.  So, I imagine
 * there are fewer people who've yanked the ROM like they do on the Seagate
 * to make bootup faster, and I'll probably use this for autodetection.
@@ -92,19 +92,20 @@
 #define T_DATA_REG_OFFSET       0x1e00  /* rw 512 bytes long */
 #ifndef ASM
-static int t128_abort(Scsi_Cmnd *);
+static int t128_abort(struct scsi_cmnd *);
 static int t128_biosparam(struct scsi_device *, struct block_device *,
                          sector_t, int*);
 static int t128_detect(struct scsi_host_template *);
-static int t128_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
+static int t128_queue_command(struct scsi_cmnd *,
-static int t128_bus_reset(Scsi_Cmnd *);
+                              void (*done)(struct scsi_cmnd *));
+static int t128_bus_reset(struct scsi_cmnd *);
 #ifndef CMD_PER_LUN
 #define CMD_PER_LUN 2
 #endif
 #ifndef CAN_QUEUE
-#define CAN_QUEUE 32 
+#define CAN_QUEUE 32
 #endif
 #ifndef HOSTS_C
@@ -120,7 +121,7 @@ static int t128_bus_reset(Scsi_Cmnd *);
 #define T128_address(reg) (base + T_5380_OFFSET + ((reg) * 0x20))
-#if !(TDEBUG & TDEBUG_TRANSFER) 
+#if !(TDEBUG & TDEBUG_TRANSFER)
 #define NCR5380_read(reg) readb(T128_address(reg))
 #define NCR5380_write(reg, value) writeb((value),(T128_address(reg)))
 #else
@@ -129,7 +130,7 @@ static int t128_bus_reset(Scsi_Cmnd *);
    , instance->hostno, (reg), T128_address(reg))), readb(T128_address(reg)))
 #define NCR5380_write(reg, value) {                                     \
-    printk("scsi%d : write %02x to register %d at address %08x\n",      \
+    printk("scsi%d : write %02x to register %d at address %08x\n",      \
            instance->hostno, (value), (reg), T128_address(reg));       \
    writeb((value), (T128_address(reg)));                               \
 }
@@ -142,10 +143,10 @@ static int t128_bus_reset(Scsi_Cmnd *);
 #define NCR5380_bus_reset t128_bus_reset
 #define NCR5380_proc_info t128_proc_info
-/* 15 14 12 10 7 5 3 
+/* 15 14 12 10 7 5 3
   1101 0100 1010 1000 */
-   
-#define T128_IRQS 0xc4a8 
+#define T128_IRQS 0xc4a8
 #endif /* else def HOSTS_C */
 #endif /* ndef ASM */