" 2 = enable MSI interrupt mechanism.");
#define QL4_DEF_QDEPTH 32
+static int ql4xmaxqdepth = QL4_DEF_QDEPTH;
+module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ql4xmaxqdepth,
+ "Maximum queue depth to report for target devices.\n"
+ " Default: 32.");
+
+static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
+module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
+MODULE_PARM_DESC(ql4xsess_recovery_tmo,
+ "Target Session Recovery Timeout.\n"
+ " Default: 30 sec.");
/*
* SCSI host template entry points
DEBUG2(printk("scsi%ld: %s: ddb [%d] session recovery timeout "
"of (%d) secs exhausted, marking device DEAD.\n",
ha->host_no, __func__, ddb_entry->fw_ddb_index,
- QL4_SESS_RECOVERY_TMO));
+ ddb_entry->sess->recovery_tmo));
}
}
{
int err;
- ddb_entry->sess->recovery_tmo = QL4_SESS_RECOVERY_TMO;
+ ddb_entry->sess->recovery_tmo = ql4xsess_recovery_tmo;
err = iscsi_add_session(ddb_entry->sess, ddb_entry->fw_ddb_index);
if (err) {
if (!pci_channel_offline(ha->pdev))
pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
- if (test_bit(AF_HBA_GOING_AWAY, &ha->flags)) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s exited. HBA GOING AWAY\n",
- __func__));
- return;
- }
-
if (is_qla8022(ha)) {
qla4_8xxx_watchdog(ha);
}
/* Disable the board */
ql4_printk(KERN_INFO, ha, "Disabling the board\n");
- set_bit(AF_HBA_GOING_AWAY, &ha->flags);
qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
qla4xxx_mark_all_devices_missing(ha);
clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
- status == QLA_ERROR ? "FAILED" : "SUCCEDED"));
+ status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
return status;
}
+static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
+{
+ struct ddb_entry *ddb_entry, *dtemp;
+
+ list_for_each_entry_safe(ddb_entry, dtemp, &ha->ddb_list, list) {
+ if ((atomic_read(&ddb_entry->state) == DDB_STATE_MISSING) ||
+ (atomic_read(&ddb_entry->state) == DDB_STATE_DEAD)) {
+ if (ddb_entry->fw_ddb_device_state ==
+ DDB_DS_SESSION_ACTIVE) {
+ atomic_set(&ddb_entry->state, DDB_STATE_ONLINE);
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+ " marked ONLINE\n", ha->host_no, __func__,
+ ddb_entry->fw_ddb_index);
+
+ iscsi_unblock_session(ddb_entry->sess);
+ } else
+ qla4xxx_relogin_device(ha, ddb_entry);
+ }
+ }
+}
+
void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
{
if (ha->dpc_thread &&
goto do_dpc_exit;
}
- /* HBA is in the process of being permanently disabled.
- * Don't process anything */
- if (test_bit(AF_HBA_GOING_AWAY, &ha->flags))
- return;
-
if (is_qla8022(ha)) {
if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
qla4_8xxx_idc_lock(ha);
if (test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
if (!test_bit(AF_LINK_UP, &ha->flags)) {
/* ---- link down? --- */
- list_for_each_entry_safe(ddb_entry, dtemp,
- &ha->ddb_list, list) {
- if (atomic_read(&ddb_entry->state) ==
- DDB_STATE_ONLINE)
- qla4xxx_mark_device_missing(ha,
- ddb_entry);
- }
+ qla4xxx_mark_all_devices_missing(ha);
} else {
/* ---- link up? --- *
* F/W will auto login to all devices ONLY ONCE after
* manually relogin to devices when recovering from
* connection failures, logouts, expired KATO, etc. */
- list_for_each_entry_safe(ddb_entry, dtemp,
- &ha->ddb_list, list) {
- if ((atomic_read(&ddb_entry->state) ==
- DDB_STATE_MISSING) ||
- (atomic_read(&ddb_entry->state) ==
- DDB_STATE_DEAD)) {
- if (ddb_entry->fw_ddb_device_state ==
- DDB_DS_SESSION_ACTIVE) {
- atomic_set(&ddb_entry->state,
- DDB_STATE_ONLINE);
- ql4_printk(KERN_INFO, ha,
- "scsi%ld: %s: ddb[%d]"
- " marked ONLINE\n",
- ha->host_no, __func__,
- ddb_entry->fw_ddb_index);
-
- iscsi_unblock_session(
- ddb_entry->sess);
- } else
- qla4xxx_relogin_device(
- ha, ddb_entry);
- }
-
- }
+ qla4xxx_relogin_all_devices(ha);
}
}
return ret;
}
+/**
+ * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize
+ * @ha: pointer to adapter structure
+ *
+ * Mark the other ISP-4xxx port to indicate that the driver is being removed,
+ * so that the other port will not re-initialize while in the process of
+ * removing the ha due to driver unload or hba hotplug.
+ **/
+static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
+{
+ struct scsi_qla_host *other_ha = NULL;
+ struct pci_dev *other_pdev = NULL;
+ int fn = ISP4XXX_PCI_FN_2;
+
+ /*iscsi function numbers for ISP4xxx is 1 and 3*/
+ if (PCI_FUNC(ha->pdev->devfn) & BIT_1)
+ fn = ISP4XXX_PCI_FN_1;
+
+ other_pdev =
+ pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
+ ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
+ fn));
+
+ /* Get other_ha if other_pdev is valid and state is enable*/
+ if (other_pdev) {
+ if (atomic_read(&other_pdev->enable_cnt)) {
+ other_ha = pci_get_drvdata(other_pdev);
+ if (other_ha) {
+ set_bit(AF_HA_REMOVAL, &other_ha->flags);
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: "
+ "Prevent %s reinit\n", __func__,
+ dev_name(&other_ha->pdev->dev)));
+ }
+ }
+ pci_dev_put(other_pdev);
+ }
+}
+
/**
* qla4xxx_remove_adapter - calback function to remove adapter.
* @pci_dev: PCI device pointer
ha = pci_get_drvdata(pdev);
- set_bit(AF_HBA_GOING_AWAY, &ha->flags);
+ if (!is_qla8022(ha))
+ qla4xxx_prevent_other_port_reinit(ha);
/* remove devs from iscsi_sessions to scsi_devices */
qla4xxx_free_ddb_list(ha);
{
struct iscsi_cls_session *sess = starget_to_session(sdev->sdev_target);
struct ddb_entry *ddb = sess->dd_data;
+ int queue_depth = QL4_DEF_QDEPTH;
sdev->hostdata = ddb;
sdev->tagged_supported = 1;
- scsi_activate_tcq(sdev, QL4_DEF_QDEPTH);
+
+ if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU)
+ queue_depth = ql4xmaxqdepth;
+
+ scsi_activate_tcq(sdev, queue_depth);
return 0;
}
ql4_printk(KERN_INFO, ha,
"scsi%ld:%d:%d: Abort command - %s\n",
- ha->host_no, id, lun, (ret == SUCCESS) ? "succeded" : "failed");
+ ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed");
return ret;
}
return_status = SUCCESS;
ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n",
- return_status == FAILED ? "FAILED" : "SUCCEDED");
+ return_status == FAILED ? "FAILED" : "SUCCEEDED");
return return_status;
}
/* Initialize device or resume if in suspended state */
rc = pci_enable_device(pdev);
if (rc) {
- ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Cant re-enable "
+ ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable "
"device after reset\n", ha->host_no, __func__);
goto exit_slot_reset;
}
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff