-static void core_setup_task_attr_emulation(struct se_device *dev)
-{
- /*
- * If this device is from Target_Core_Mod/pSCSI, disable the
- * SAM Task Attribute emulation.
- *
- * This is currently not available in upsream Linux/SCSI Target
- * mode code, and is assumed to be disabled while using TCM/pSCSI.
- */
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) {
- dev->dev_task_attr_type = SAM_TASK_ATTR_PASSTHROUGH;
- return;
- }
-
- dev->dev_task_attr_type = SAM_TASK_ATTR_EMULATED;
- pr_debug("%s: Using SAM_TASK_ATTR_EMULATED for SPC: 0x%02x"
- " device\n", dev->transport->name,
- dev->transport->get_device_rev(dev));
-}
-
-static void scsi_dump_inquiry(struct se_device *dev)
-{
- struct t10_wwn *wwn = &dev->se_sub_dev->t10_wwn;
- char buf[17];
- int i, device_type;
- /*
- * Print Linux/SCSI style INQUIRY formatting to the kernel ring buffer
- */
- for (i = 0; i < 8; i++)
- if (wwn->vendor[i] >= 0x20)
- buf[i] = wwn->vendor[i];
- else
- buf[i] = ' ';
- buf[i] = '\0';
- pr_debug(" Vendor: %s\n", buf);
-
- for (i = 0; i < 16; i++)
- if (wwn->model[i] >= 0x20)
- buf[i] = wwn->model[i];
- else
- buf[i] = ' ';
- buf[i] = '\0';
- pr_debug(" Model: %s\n", buf);
-
- for (i = 0; i < 4; i++)
- if (wwn->revision[i] >= 0x20)
- buf[i] = wwn->revision[i];
- else
- buf[i] = ' ';
- buf[i] = '\0';
- pr_debug(" Revision: %s\n", buf);
-
- device_type = dev->transport->get_device_type(dev);
- pr_debug(" Type: %s ", scsi_device_type(device_type));
- pr_debug(" ANSI SCSI revision: %02x\n",
- dev->transport->get_device_rev(dev));
-}
-
-struct se_device *transport_add_device_to_core_hba(
- struct se_hba *hba,
- struct se_subsystem_api *transport,
- struct se_subsystem_dev *se_dev,
- u32 device_flags,
- void *transport_dev,
- struct se_dev_limits *dev_limits,
- const char *inquiry_prod,
- const char *inquiry_rev)
-{
- int force_pt;
- struct se_device *dev;
-
- dev = kzalloc(sizeof(struct se_device), GFP_KERNEL);
- if (!dev) {
- pr_err("Unable to allocate memory for se_dev_t\n");
- return NULL;
- }
-
- dev->dev_flags = device_flags;
- dev->dev_status |= TRANSPORT_DEVICE_DEACTIVATED;
- dev->dev_ptr = transport_dev;
- dev->se_hba = hba;
- dev->se_sub_dev = se_dev;
- dev->transport = transport;
- INIT_LIST_HEAD(&dev->dev_list);
- INIT_LIST_HEAD(&dev->dev_sep_list);
- INIT_LIST_HEAD(&dev->dev_tmr_list);
- INIT_LIST_HEAD(&dev->delayed_cmd_list);
- INIT_LIST_HEAD(&dev->state_list);
- INIT_LIST_HEAD(&dev->qf_cmd_list);
- spin_lock_init(&dev->execute_task_lock);
- spin_lock_init(&dev->delayed_cmd_lock);
- spin_lock_init(&dev->dev_reservation_lock);
- spin_lock_init(&dev->dev_status_lock);
- spin_lock_init(&dev->se_port_lock);
- spin_lock_init(&dev->se_tmr_lock);
- spin_lock_init(&dev->qf_cmd_lock);
- atomic_set(&dev->dev_ordered_id, 0);
-
- se_dev_set_default_attribs(dev, dev_limits);
-
- dev->dev_index = scsi_get_new_index(SCSI_DEVICE_INDEX);
- dev->creation_time = get_jiffies_64();
- spin_lock_init(&dev->stats_lock);
-
- spin_lock(&hba->device_lock);
- list_add_tail(&dev->dev_list, &hba->hba_dev_list);
- hba->dev_count++;
- spin_unlock(&hba->device_lock);
- /*
- * Setup the SAM Task Attribute emulation for struct se_device
- */
- core_setup_task_attr_emulation(dev);
- /*
- * Force PR and ALUA passthrough emulation with internal object use.
- */
- force_pt = (hba->hba_flags & HBA_FLAGS_INTERNAL_USE);
- /*
- * Setup the Reservations infrastructure for struct se_device
- */
- core_setup_reservations(dev, force_pt);
- /*
- * Setup the Asymmetric Logical Unit Assignment for struct se_device
- */
- if (core_setup_alua(dev, force_pt) < 0)
- goto err_dev_list;
-
- /*
- * Startup the struct se_device processing thread
- */
- dev->tmr_wq = alloc_workqueue("tmr-%s", WQ_MEM_RECLAIM | WQ_UNBOUND, 1,
- dev->transport->name);
- if (!dev->tmr_wq) {
- pr_err("Unable to create tmr workqueue for %s\n",
- dev->transport->name);
- goto err_dev_list;
- }
- /*
- * Setup work_queue for QUEUE_FULL
- */
- INIT_WORK(&dev->qf_work_queue, target_qf_do_work);
- /*
- * Preload the initial INQUIRY const values if we are doing
- * anything virtual (IBLOCK, FILEIO, RAMDISK), but not for TCM/pSCSI
- * passthrough because this is being provided by the backend LLD.
- * This is required so that transport_get_inquiry() copies these
- * originals once back into DEV_T10_WWN(dev) for the virtual device
- * setup.
- */
- if (dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV) {
- if (!inquiry_prod || !inquiry_rev) {
- pr_err("All non TCM/pSCSI plugins require"
- " INQUIRY consts\n");
- goto err_wq;
- }
-
- strncpy(&dev->se_sub_dev->t10_wwn.vendor[0], "LIO-ORG", 8);
- strncpy(&dev->se_sub_dev->t10_wwn.model[0], inquiry_prod, 16);
- strncpy(&dev->se_sub_dev->t10_wwn.revision[0], inquiry_rev, 4);
- }
- scsi_dump_inquiry(dev);
-
- return dev;
-
-err_wq:
- destroy_workqueue(dev->tmr_wq);
-err_dev_list:
- spin_lock(&hba->device_lock);
- list_del(&dev->dev_list);
- hba->dev_count--;
- spin_unlock(&hba->device_lock);
-
- se_release_vpd_for_dev(dev);
-
- kfree(dev);
-
- return NULL;
-}
-EXPORT_SYMBOL(transport_add_device_to_core_hba);
-