Merge branch 'master' into upstream

1 files changed, 866 insertions, 0 deletions

diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
new file mode 100644
index 000000000000..ee2ccad70487
--- /dev/null
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -0,0 +1,866 @@
+/*
+ * Aic94xx SAS/SATA driver initialization.
+ *
+ * Copyright (C) 2005 Adaptec, Inc.  All rights reserved.
+ * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * This file is part of the aic94xx driver.
+ *
+ * The aic94xx driver 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; version 2 of the
+ * License.
+ *
+ * The aic94xx driver 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 the aic94xx driver; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include <scsi/scsi_host.h>
+
+#include "aic94xx.h"
+#include "aic94xx_reg.h"
+#include "aic94xx_hwi.h"
+#include "aic94xx_seq.h"
+
+/* The format is "version.release.patchlevel" */
+#define ASD_DRIVER_VERSION "1.0.2"
+
+static int use_msi = 0;
+module_param_named(use_msi, use_msi, int, S_IRUGO);
+MODULE_PARM_DESC(use_msi, "\n"
+        "\tEnable(1) or disable(0) using PCI MSI.\n"
+        "\tDefault: 0");
+
+static int lldd_max_execute_num = 0;
+module_param_named(collector, lldd_max_execute_num, int, S_IRUGO);
+MODULE_PARM_DESC(collector, "\n"
+        "\tIf greater than one, tells the SAS Layer to run in Task Collector\n"
+        "\tMode.  If 1 or 0, tells the SAS Layer to run in Direct Mode.\n"
+        "\tThe aic94xx SAS LLDD supports both modes.\n"
+        "\tDefault: 0 (Direct Mode).\n");
+
+char sas_addr_str[2*SAS_ADDR_SIZE + 1] = "";
+
+static struct scsi_transport_template *aic94xx_transport_template;
+
+static struct scsi_host_template aic94xx_sht = {
+        .module                 = THIS_MODULE,
+        /* .name is initialized */
+        .name                   = "aic94xx",
+        .queuecommand           = sas_queuecommand,
+        .target_alloc           = sas_target_alloc,
+        .slave_configure        = sas_slave_configure,
+        .slave_destroy          = sas_slave_destroy,
+        .change_queue_depth     = sas_change_queue_depth,
+        .change_queue_type      = sas_change_queue_type,
+        .bios_param             = sas_bios_param,
+        .can_queue              = 1,
+        .cmd_per_lun            = 1,
+        .this_id                = -1,
+        .sg_tablesize           = SG_ALL,
+        .max_sectors            = SCSI_DEFAULT_MAX_SECTORS,
+        .use_clustering         = ENABLE_CLUSTERING,
+};
+
+static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha)
+{
+        int err, i;
+        struct asd_ha_addrspace *io_handle;
+
+        asd_ha->iospace = 0;
+        for (i = 0; i < 3; i += 2) {
+                io_handle = &asd_ha->io_handle[i==0?0:1];
+                io_handle->start = pci_resource_start(asd_ha->pcidev, i);
+                io_handle->len   = pci_resource_len(asd_ha->pcidev, i);
+                io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
+                err = -ENODEV;
+                if (!io_handle->start || !io_handle->len) {
+                        asd_printk("MBAR%d start or length for %s is 0.\n",
+                                   i==0?0:1, pci_name(asd_ha->pcidev));
+                        goto Err;
+                }
+                err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
+                if (err) {
+                        asd_printk("couldn't reserve memory region for %s\n",
+                                   pci_name(asd_ha->pcidev));
+                        goto Err;
+                }
+                if (io_handle->flags & IORESOURCE_CACHEABLE)
+                        io_handle->addr = ioremap(io_handle->start,
+                                                  io_handle->len);
+                else
+                        io_handle->addr = ioremap_nocache(io_handle->start,
+                                                          io_handle->len);
+                if (!io_handle->addr) {
+                        asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
+                                   pci_name(asd_ha->pcidev));
+                        goto Err_unreq;
+                }
+        }
+
+        return 0;
+Err_unreq:
+        pci_release_region(asd_ha->pcidev, i);
+Err:
+        if (i > 0) {
+                io_handle = &asd_ha->io_handle[0];
+                iounmap(io_handle->addr);
+                pci_release_region(asd_ha->pcidev, 0);
+        }
+        return err;
+}
+
+static void __devexit asd_unmap_memio(struct asd_ha_struct *asd_ha)
+{
+        struct asd_ha_addrspace *io_handle;
+
+        io_handle = &asd_ha->io_handle[1];
+        iounmap(io_handle->addr);
+        pci_release_region(asd_ha->pcidev, 2);
+
+        io_handle = &asd_ha->io_handle[0];
+        iounmap(io_handle->addr);
+        pci_release_region(asd_ha->pcidev, 0);
+}
+
+static int __devinit asd_map_ioport(struct asd_ha_struct *asd_ha)
+{
+        int i = PCI_IOBAR_OFFSET, err;
+        struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
+
+        asd_ha->iospace = 1;
+        io_handle->start = pci_resource_start(asd_ha->pcidev, i);
+        io_handle->len   = pci_resource_len(asd_ha->pcidev, i);
+        io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
+        io_handle->addr  = (void __iomem *) io_handle->start;
+        if (!io_handle->start || !io_handle->len) {
+                asd_printk("couldn't get IO ports for %s\n",
+                           pci_name(asd_ha->pcidev));
+                return -ENODEV;
+        }
+        err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
+        if (err) {
+                asd_printk("couldn't reserve io space for %s\n",
+                           pci_name(asd_ha->pcidev));
+        }
+
+        return err;
+}
+
+static void __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha)
+{
+        pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
+}
+
+static int __devinit asd_map_ha(struct asd_ha_struct *asd_ha)
+{
+        int err;
+        u16 cmd_reg;
+
+        err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
+        if (err) {
+                asd_printk("couldn't read command register of %s\n",
+                           pci_name(asd_ha->pcidev));
+                goto Err;
+        }
+
+        err = -ENODEV;
+        if (cmd_reg & PCI_COMMAND_MEMORY) {
+                if ((err = asd_map_memio(asd_ha)))
+                        goto Err;
+        } else if (cmd_reg & PCI_COMMAND_IO) {
+                if ((err = asd_map_ioport(asd_ha)))
+                        goto Err;
+                asd_printk("%s ioport mapped -- upgrade your hardware\n",
+                           pci_name(asd_ha->pcidev));
+        } else {
+                asd_printk("no proper device access to %s\n",
+                           pci_name(asd_ha->pcidev));
+                goto Err;
+        }
+
+        return 0;
+Err:
+        return err;
+}
+
+static void __devexit asd_unmap_ha(struct asd_ha_struct *asd_ha)
+{
+        if (asd_ha->iospace)
+                asd_unmap_ioport(asd_ha);
+        else
+                asd_unmap_memio(asd_ha);
+}
+
+static const char *asd_dev_rev[30] = {
+        [0] = "A0",
+        [1] = "A1",
+        [8] = "B0",
+};
+
+static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha)
+{
+        int err, i;
+
+        err = pci_read_config_byte(asd_ha->pcidev, PCI_REVISION_ID,
+                                   &asd_ha->revision_id);
+        if (err) {
+                asd_printk("couldn't read REVISION ID register of %s\n",
+                           pci_name(asd_ha->pcidev));
+                goto Err;
+        }
+        err = -ENODEV;
+        if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
+                asd_printk("%s is revision %s (%X), which is not supported\n",
+                           pci_name(asd_ha->pcidev),
+                           asd_dev_rev[asd_ha->revision_id],
+                           asd_ha->revision_id);
+                goto Err;
+        }
+        /* Provide some sane default values. */
+        asd_ha->hw_prof.max_scbs = 512;
+        asd_ha->hw_prof.max_ddbs = 128;
+        asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
+        /* All phys are enabled, by default. */
+        asd_ha->hw_prof.enabled_phys = 0xFF;
+        for (i = 0; i < ASD_MAX_PHYS; i++) {
+                asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
+                        SAS_LINK_RATE_3_0_GBPS;
+                asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
+                        SAS_LINK_RATE_1_5_GBPS;
+                asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
+                        SAS_LINK_RATE_1_5_GBPS;
+                asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
+                        SAS_LINK_RATE_1_5_GBPS;
+        }
+
+        return 0;
+Err:
+        return err;
+}
+
+static int __devinit asd_aic9410_setup(struct asd_ha_struct *asd_ha)
+{
+        int err = asd_common_setup(asd_ha);
+
+        if (err)
+                return err;
+
+        asd_ha->hw_prof.addr_range = 8;
+        asd_ha->hw_prof.port_name_base = 0;
+        asd_ha->hw_prof.dev_name_base = 8;
+        asd_ha->hw_prof.sata_name_base = 16;
+
+        return 0;
+}
+
+static int __devinit asd_aic9405_setup(struct asd_ha_struct *asd_ha)
+{
+        int err = asd_common_setup(asd_ha);
+
+        if (err)
+                return err;
+
+        asd_ha->hw_prof.addr_range = 4;
+        asd_ha->hw_prof.port_name_base = 0;
+        asd_ha->hw_prof.dev_name_base = 4;
+        asd_ha->hw_prof.sata_name_base = 8;
+
+        return 0;
+}
+
+static ssize_t asd_show_dev_rev(struct device *dev,
+                                struct device_attribute *attr, char *buf)
+{
+        struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
+        return snprintf(buf, PAGE_SIZE, "%s\n",
+                        asd_dev_rev[asd_ha->revision_id]);
+}
+static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
+
+static ssize_t asd_show_dev_bios_build(struct device *dev,
+                                       struct device_attribute *attr,char *buf)
+{
+        struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
+        return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
+}
+static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
+
+static ssize_t asd_show_dev_pcba_sn(struct device *dev,
+                                    struct device_attribute *attr, char *buf)
+{
+        struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
+        return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
+}
+static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
+
+static void asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
+{
+        device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
+        device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
+        device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
+}
+
+static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
+{
+        device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
+        device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
+        device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
+}
+
+/* The first entry, 0, is used for dynamic ids, the rest for devices
+ * we know about.
+ */
+static struct asd_pcidev_struct {
+        const char * name;
+        int (*setup)(struct asd_ha_struct *asd_ha);
+} asd_pcidev_data[] = {
+        /* Id 0 is used for dynamic ids. */
+        { .name  = "Adaptec AIC-94xx SAS/SATA Host Adapter",
+          .setup = asd_aic9410_setup
+        },
+        { .name  = "Adaptec AIC-9410W SAS/SATA Host Adapter",
+          .setup = asd_aic9410_setup
+        },
+        { .name  = "Adaptec AIC-9405W SAS/SATA Host Adapter",
+          .setup = asd_aic9405_setup
+        },
+};
+
+static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
+{
+        asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
+                                           &asd_ha->pcidev->dev,
+                                           sizeof(struct scb),
+                                           8, 0);
+        if (!asd_ha->scb_pool) {
+                asd_printk("couldn't create scb pool\n");
+                return -ENOMEM;
+        }
+
+        return 0;
+}
+
+/**
+ * asd_free_edbs -- free empty data buffers
+ * asd_ha: pointer to host adapter structure
+ */
+static inline void asd_free_edbs(struct asd_ha_struct *asd_ha)
+{
+        struct asd_seq_data *seq = &asd_ha->seq;
+        int i;
+
+        for (i = 0; i < seq->num_edbs; i++)
+                asd_free_coherent(asd_ha, seq->edb_arr[i]);
+        kfree(seq->edb_arr);
+        seq->edb_arr = NULL;
+}
+
+static inline void asd_free_escbs(struct asd_ha_struct *asd_ha)
+{
+        struct asd_seq_data *seq = &asd_ha->seq;
+        int i;
+
+        for (i = 0; i < seq->num_escbs; i++) {
+                if (!list_empty(&seq->escb_arr[i]->list))
+                        list_del_init(&seq->escb_arr[i]->list);
+
+                asd_ascb_free(seq->escb_arr[i]);
+        }
+        kfree(seq->escb_arr);
+        seq->escb_arr = NULL;
+}
+
+static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
+{
+        int i;
+
+        if (asd_ha->hw_prof.ddb_ext)
+                asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
+        if (asd_ha->hw_prof.scb_ext)
+                asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
+
+        if (asd_ha->hw_prof.ddb_bitmap)
+                kfree(asd_ha->hw_prof.ddb_bitmap);
+        asd_ha->hw_prof.ddb_bitmap = NULL;
+
+        for (i = 0; i < ASD_MAX_PHYS; i++) {
+                struct asd_phy *phy = &asd_ha->phys[i];
+
+                asd_free_coherent(asd_ha, phy->id_frm_tok);
+        }
+        if (asd_ha->seq.escb_arr)
+                asd_free_escbs(asd_ha);
+        if (asd_ha->seq.edb_arr)
+                asd_free_edbs(asd_ha);
+        if (asd_ha->hw_prof.ue.area) {
+                kfree(asd_ha->hw_prof.ue.area);
+                asd_ha->hw_prof.ue.area = NULL;
+        }
+        if (asd_ha->seq.tc_index_array) {
+                kfree(asd_ha->seq.tc_index_array);
+                kfree(asd_ha->seq.tc_index_bitmap);
+                asd_ha->seq.tc_index_array = NULL;
+                asd_ha->seq.tc_index_bitmap = NULL;
+        }
+        if (asd_ha->seq.actual_dl) {
+                        asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
+                        asd_ha->seq.actual_dl = NULL;
+                        asd_ha->seq.dl = NULL;
+        }
+        if (asd_ha->seq.next_scb.vaddr) {
+                dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
+                              asd_ha->seq.next_scb.dma_handle);
+                asd_ha->seq.next_scb.vaddr = NULL;
+        }
+        dma_pool_destroy(asd_ha->scb_pool);
+        asd_ha->scb_pool = NULL;
+}
+
+kmem_cache_t *asd_dma_token_cache;
+kmem_cache_t *asd_ascb_cache;
+
+static int asd_create_global_caches(void)
+{
+        if (!asd_dma_token_cache) {
+                asd_dma_token_cache
+                        = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
+                                            sizeof(struct asd_dma_tok),
+                                            0,
+                                            SLAB_HWCACHE_ALIGN,
+                                            NULL, NULL);
+                if (!asd_dma_token_cache) {
+                        asd_printk("couldn't create dma token cache\n");
+                        return -ENOMEM;
+                }
+        }
+
+        if (!asd_ascb_cache) {
+                asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
+                                                   sizeof(struct asd_ascb),
+                                                   0,
+                                                   SLAB_HWCACHE_ALIGN,
+                                                   NULL, NULL);
+                if (!asd_ascb_cache) {
+                        asd_printk("couldn't create ascb cache\n");
+                        goto Err;
+                }
+        }
+
+        return 0;
+Err:
+        kmem_cache_destroy(asd_dma_token_cache);
+        asd_dma_token_cache = NULL;
+        return -ENOMEM;
+}
+
+static void asd_destroy_global_caches(void)
+{
+        if (asd_dma_token_cache)
+                kmem_cache_destroy(asd_dma_token_cache);
+        asd_dma_token_cache = NULL;
+
+        if (asd_ascb_cache)
+                kmem_cache_destroy(asd_ascb_cache);
+        asd_ascb_cache = NULL;
+}
+
+static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
+{
+        int i;
+        struct asd_sas_phy   **sas_phys =
+                kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_phy), GFP_KERNEL);
+        struct asd_sas_port  **sas_ports =
+                kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_port), GFP_KERNEL);
+
+        if (!sas_phys || !sas_ports) {
+                kfree(sas_phys);
+                kfree(sas_ports);
+                return -ENOMEM;
+        }
+
+        asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
+        asd_ha->sas_ha.lldd_module = THIS_MODULE;
+        asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
+
+        for (i = 0; i < ASD_MAX_PHYS; i++) {
+                sas_phys[i] = &asd_ha->phys[i].sas_phy;
+                sas_ports[i] = &asd_ha->ports[i];
+        }
+
+        asd_ha->sas_ha.sas_phy = sas_phys;
+        asd_ha->sas_ha.sas_port= sas_ports;
+        asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
+
+        asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue;
+
+        return sas_register_ha(&asd_ha->sas_ha);
+}
+
+static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
+{
+        int err;
+
+        err = sas_unregister_ha(&asd_ha->sas_ha);
+
+        sas_remove_host(asd_ha->sas_ha.core.shost);
+        scsi_remove_host(asd_ha->sas_ha.core.shost);
+        scsi_host_put(asd_ha->sas_ha.core.shost);
+
+        kfree(asd_ha->sas_ha.sas_phy);
+        kfree(asd_ha->sas_ha.sas_port);
+
+        return err;
+}
+
+static int __devinit asd_pci_probe(struct pci_dev *dev,
+                                   const struct pci_device_id *id)
+{
+        struct asd_pcidev_struct *asd_dev;
+        unsigned asd_id = (unsigned) id->driver_data;
+        struct asd_ha_struct *asd_ha;
+        struct Scsi_Host *shost;
+        int err;
+
+        if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
+                asd_printk("wrong driver_data in PCI table\n");
+                return -ENODEV;
+        }
+
+        if ((err = pci_enable_device(dev))) {
+                asd_printk("couldn't enable device %s\n", pci_name(dev));
+                return err;
+        }
+
+        pci_set_master(dev);
+
+        err = -ENOMEM;
+
+        shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
+        if (!shost)
+                goto Err;
+
+        asd_dev = &asd_pcidev_data[asd_id];
+
+        asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
+        if (!asd_ha) {
+                asd_printk("out of memory\n");
+                goto Err;
+        }
+        asd_ha->pcidev = dev;
+        asd_ha->sas_ha.pcidev = asd_ha->pcidev;
+        asd_ha->sas_ha.lldd_ha = asd_ha;
+
+        asd_ha->name = asd_dev->name;
+        asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
+
+        SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
+        asd_ha->sas_ha.core.shost = shost;
+        shost->transportt = aic94xx_transport_template;
+        shost->max_id = ~0;
+        shost->max_lun = ~0;
+        shost->max_cmd_len = 16;
+
+        err = scsi_add_host(shost, &dev->dev);
+        if (err) {
+                scsi_host_put(shost);
+                goto Err_free;
+        }
+
+
+
+        err = asd_dev->setup(asd_ha);
+        if (err)
+                goto Err_free;
+
+        err = -ENODEV;
+        if (!pci_set_dma_mask(dev, DMA_64BIT_MASK)
+            && !pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK))
+                ;
+        else if (!pci_set_dma_mask(dev, DMA_32BIT_MASK)
+                 && !pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK))
+                ;
+        else {
+                asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
+                goto Err_free;
+        }
+
+        pci_set_drvdata(dev, asd_ha);
+
+        err = asd_map_ha(asd_ha);
+        if (err)
+                goto Err_free;
+
+        err = asd_create_ha_caches(asd_ha);
+        if (err)
+                goto Err_unmap;
+
+        err = asd_init_hw(asd_ha);
+        if (err)
+                goto Err_free_cache;
+
+        asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
+                   "phys, flash %s, BIOS %s%d\n",
+                   pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
+                   asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
+                   asd_ha->hw_prof.num_phys,
+                   asd_ha->hw_prof.flash.present ? "present" : "not present",
+                   asd_ha->hw_prof.bios.present ? "build " : "not present",
+                   asd_ha->hw_prof.bios.bld);
+
+        shost->can_queue = asd_ha->seq.can_queue;
+
+        if (use_msi)
+                pci_enable_msi(asd_ha->pcidev);
+
+        err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, SA_SHIRQ,
+                          ASD_DRIVER_NAME, asd_ha);
+        if (err) {
+                asd_printk("couldn't get irq %d for %s\n",
+                           asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
+                goto Err_irq;
+        }
+        asd_enable_ints(asd_ha);
+
+        err = asd_init_post_escbs(asd_ha);
+        if (err) {
+                asd_printk("couldn't post escbs for %s\n",
+                           pci_name(asd_ha->pcidev));
+                goto Err_escbs;
+        }
+        ASD_DPRINTK("escbs posted\n");
+
+        asd_create_dev_attrs(asd_ha);
+
+        err = asd_register_sas_ha(asd_ha);
+        if (err)
+                goto Err_reg_sas;
+
+        err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
+        if (err) {
+                asd_printk("coudln't enable phys, err:%d\n", err);
+                goto Err_en_phys;
+        }
+        ASD_DPRINTK("enabled phys\n");
+        /* give the phy enabling interrupt event time to come in (1s
+         * is empirically about all it takes) */
+        ssleep(1);
+        /* Wait for discovery to finish */
+        scsi_flush_work(asd_ha->sas_ha.core.shost);
+
+        return 0;
+Err_en_phys:
+        asd_unregister_sas_ha(asd_ha);
+Err_reg_sas:
+        asd_remove_dev_attrs(asd_ha);
+Err_escbs:
+        asd_disable_ints(asd_ha);
+        free_irq(dev->irq, asd_ha);
+Err_irq:
+        if (use_msi)
+                pci_disable_msi(dev);
+        asd_chip_hardrst(asd_ha);
+Err_free_cache:
+        asd_destroy_ha_caches(asd_ha);
+Err_unmap:
+        asd_unmap_ha(asd_ha);
+Err_free:
+        kfree(asd_ha);
+        scsi_remove_host(shost);
+Err:
+        pci_disable_device(dev);
+        return err;
+}
+
+static void asd_free_queues(struct asd_ha_struct *asd_ha)
+{
+        unsigned long flags;
+        LIST_HEAD(pending);
+        struct list_head *n, *pos;
+
+        spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
+        asd_ha->seq.pending = 0;
+        list_splice_init(&asd_ha->seq.pend_q, &pending);
+        spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
+
+        if (!list_empty(&pending))
+                ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
+
+        list_for_each_safe(pos, n, &pending) {
+                struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
+                list_del_init(pos);
+                ASD_DPRINTK("freeing from pending\n");
+                asd_ascb_free(ascb);
+        }
+}
+
+static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
+{
+        u8 phy_mask = asd_ha->hw_prof.enabled_phys;
+        u8 i;
+
+        for_each_phy(phy_mask, phy_mask, i) {
+                asd_turn_led(asd_ha, i, 0);
+                asd_control_led(asd_ha, i, 0);
+        }
+}
+
+static void __devexit asd_pci_remove(struct pci_dev *dev)
+{
+        struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
+
+        if (!asd_ha)
+                return;
+
+        asd_unregister_sas_ha(asd_ha);
+
+        asd_disable_ints(asd_ha);
+
+        asd_remove_dev_attrs(asd_ha);
+
+        /* XXX more here as needed */
+
+        free_irq(dev->irq, asd_ha);
+        if (use_msi)
+                pci_disable_msi(asd_ha->pcidev);
+        asd_turn_off_leds(asd_ha);
+        asd_chip_hardrst(asd_ha);
+        asd_free_queues(asd_ha);
+        asd_destroy_ha_caches(asd_ha);
+        asd_unmap_ha(asd_ha);
+        kfree(asd_ha);
+        pci_disable_device(dev);
+        return;
+}
+
+static ssize_t asd_version_show(struct device_driver *driver, char *buf)
+{
+        return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
+}
+static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
+
+static void asd_create_driver_attrs(struct device_driver *driver)
+{
+        driver_create_file(driver, &driver_attr_version);
+}
+
+static void asd_remove_driver_attrs(struct device_driver *driver)
+{
+        driver_remove_file(driver, &driver_attr_version);
+}
+
+static struct sas_domain_function_template aic94xx_transport_functions = {
+        .lldd_port_formed       = asd_update_port_links,
+
+        .lldd_dev_found         = asd_dev_found,
+        .lldd_dev_gone          = asd_dev_gone,
+
+        .lldd_execute_task      = asd_execute_task,
+
+        .lldd_abort_task        = asd_abort_task,
+        .lldd_abort_task_set    = asd_abort_task_set,
+        .lldd_clear_aca         = asd_clear_aca,
+        .lldd_clear_task_set    = asd_clear_task_set,
+        .lldd_I_T_nexus_reset   = NULL,
+        .lldd_lu_reset          = asd_lu_reset,
+        .lldd_query_task        = asd_query_task,
+
+        .lldd_clear_nexus_port  = asd_clear_nexus_port,
+        .lldd_clear_nexus_ha    = asd_clear_nexus_ha,
+
+        .lldd_control_phy       = asd_control_phy,
+};
+
+static const struct pci_device_id aic94xx_pci_table[] __devinitdata = {
+        {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR10),
+         0, 0, 1},
+        {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR12),
+         0, 0, 1},
+        {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1E),
+         0, 0, 1},
+        {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR30),
+         0, 0, 2},
+        {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR32),
+         0, 0, 2},
+        {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3E),
+         0, 0, 2},
+        {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3F),
+         0, 0, 2},
+        {}
+};
+
+MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
+
+static struct pci_driver aic94xx_pci_driver = {
+        .name           = ASD_DRIVER_NAME,
+        .id_table       = aic94xx_pci_table,
+        .probe          = asd_pci_probe,
+        .remove         = __devexit_p(asd_pci_remove),
+};
+
+static int __init aic94xx_init(void)
+{
+        int err;
+
+
+        asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
+                   ASD_DRIVER_VERSION);
+
+        err = asd_create_global_caches();
+        if (err)
+                return err;
+
+        aic94xx_transport_template =
+                sas_domain_attach_transport(&aic94xx_transport_functions);
+        if (!aic94xx_transport_template)
+                goto out_destroy_caches;
+
+        err = pci_register_driver(&aic94xx_pci_driver);
+        if (err)
+                goto out_release_transport;
+
+        asd_create_driver_attrs(&aic94xx_pci_driver.driver);
+
+        return err;
+
+ out_release_transport:
+        sas_release_transport(aic94xx_transport_template);
+ out_destroy_caches:
+        asd_destroy_global_caches();
+
+        return err;
+}
+
+static void __exit aic94xx_exit(void)
+{
+        asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
+        pci_unregister_driver(&aic94xx_pci_driver);
+        sas_release_transport(aic94xx_transport_template);
+        asd_destroy_global_caches();
+        asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
+                   ASD_DRIVER_VERSION);
+}
+
+module_init(aic94xx_init);
+module_exit(aic94xx_exit);
+
+MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
+MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(ASD_DRIVER_VERSION);