* Module parameter information and variables
*/
int ql4xdiscoverywait = 60;
-module_param(ql4xdiscoverywait, int, S_IRUGO | S_IRUSR);
+module_param(ql4xdiscoverywait, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xdiscoverywait, "Discovery wait time");
+
int ql4xdontresethba = 0;
-module_param(ql4xdontresethba, int, S_IRUGO | S_IRUSR);
+module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xdontresethba,
- "Dont reset the HBA when the driver gets 0x8002 AEN "
- " default it will reset hba :0"
- " set to 1 to avoid resetting HBA");
+ "Don't reset the HBA for driver recovery \n"
+ " 0 - It will reset HBA (Default)\n"
+ " 1 - It will NOT reset HBA");
int ql4xextended_error_logging = 0; /* 0 = off, 1 = log errors */
-module_param(ql4xextended_error_logging, int, S_IRUGO | S_IRUSR);
+module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xextended_error_logging,
"Option to enable extended error logging, "
"Default is 0 - no logging, 1 - debug logging");
-int ql4_mod_unload = 0;
+int ql4xenablemsix = 1;
+module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(ql4xenablemsix,
+ "Set to enable MSI or MSI-X interrupt mechanism.\n"
+ " 0 = enable INTx interrupt mechanism.\n"
+ " 1 = enable MSI-X interrupt mechanism (Default).\n"
+ " 2 = enable MSI interrupt mechanism.");
#define QL4_DEF_QDEPTH 32
static void qla4xxx_slave_destroy(struct scsi_device *sdev);
static void qla4xxx_scan_start(struct Scsi_Host *shost);
+static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
+ QLA82XX_LEGACY_INTR_CONFIG;
+
static struct scsi_host_template qla4xxx_driver_template = {
.module = THIS_MODULE,
.name = DRIVER_NAME,
if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) {
atomic_set(&ddb_entry->state, DDB_STATE_DEAD);
- DEBUG2(printk("scsi%ld: %s: index [%d] port down retry count "
+ DEBUG2(printk("scsi%ld: %s: ddb [%d] port down retry count "
"of (%d) secs exhausted, marking device DEAD.\n",
ha->host_no, __func__, ddb_entry->fw_ddb_index,
ha->port_down_retry_count));
- DEBUG2(printk("scsi%ld: %s: scheduling dpc routine - dpc "
- "flags = 0x%lx\n",
- ha->host_no, __func__, ha->dpc_flags));
- queue_work(ha->dpc_thread, &ha->dpc_work);
+ qla4xxx_wake_dpc(ha);
}
}
* @ha: Pointer to host adapter structure.
* @ddb_entry: Pointer to device database entry
*
- * This routine marks a device missing and resets the relogin retry count.
+ * This routine marks a device missing and close connection.
**/
void qla4xxx_mark_device_missing(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry)
{
- atomic_set(&ddb_entry->state, DDB_STATE_MISSING);
- DEBUG3(printk("scsi%d:%d:%d: index [%d] marked MISSING\n",
- ha->host_no, ddb_entry->bus, ddb_entry->target,
- ddb_entry->fw_ddb_index));
+ if ((atomic_read(&ddb_entry->state) != DDB_STATE_DEAD)) {
+ atomic_set(&ddb_entry->state, DDB_STATE_MISSING);
+ DEBUG2(printk("scsi%ld: ddb [%d] marked MISSING\n",
+ ha->host_no, ddb_entry->fw_ddb_index));
+ } else
+ DEBUG2(printk("scsi%ld: ddb [%d] DEAD\n", ha->host_no,
+ ddb_entry->fw_ddb_index))
+
iscsi_block_session(ddb_entry->sess);
iscsi_conn_error_event(ddb_entry->conn, ISCSI_ERR_CONN_FAILED);
}
+/**
+ * qla4xxx_mark_all_devices_missing - mark all devices as missing.
+ * @ha: Pointer to host adapter structure.
+ *
+ * This routine marks a device missing and resets the relogin retry count.
+ **/
+void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
+{
+ struct ddb_entry *ddb_entry, *ddbtemp;
+ list_for_each_entry_safe(ddb_entry, ddbtemp, &ha->ddb_list, list) {
+ qla4xxx_mark_device_missing(ha, ddb_entry);
+ }
+}
+
static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry,
struct scsi_cmnd *cmd,
return SCSI_MLQUEUE_TARGET_BUSY;
}
- if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags))
+ if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
+ test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
+ test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
+ test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
+ test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
+ !test_bit(AF_ONLINE, &ha->flags) ||
+ test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
goto qc_host_busy;
spin_unlock_irq(ha->host->host_lock);
ha->srb_mempool = NULL;
/* release io space registers */
- if (ha->reg)
+ if (is_qla8022(ha)) {
+ if (ha->nx_pcibase)
+ iounmap(
+ (struct device_reg_82xx __iomem *)ha->nx_pcibase);
+
+ if (ha->nx_db_wr_ptr)
+ iounmap(
+ (struct device_reg_82xx __iomem *)ha->nx_db_wr_ptr);
+ } else if (ha->reg)
iounmap(ha->reg);
pci_release_regions(ha->pdev);
}
return QLA_ERROR;
}
+/**
+ * qla4_8xxx_check_fw_alive - Check firmware health
+ * @ha: Pointer to host adapter structure.
+ *
+ * Context: Interrupt
+ **/
+static void qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
+{
+ uint32_t fw_heartbeat_counter, halt_status;
+
+ fw_heartbeat_counter = qla4_8xxx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+
+ if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
+ ha->seconds_since_last_heartbeat++;
+ /* FW not alive after 2 seconds */
+ if (ha->seconds_since_last_heartbeat == 2) {
+ ha->seconds_since_last_heartbeat = 0;
+ halt_status = qla4_8xxx_rd_32(ha,
+ QLA82XX_PEG_HALT_STATUS1);
+ /* Since we cannot change dev_state in interrupt
+ * context, set appropriate DPC flag then wakeup
+ * DPC */
+ if (halt_status & HALT_STATUS_UNRECOVERABLE)
+ set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
+ else {
+ printk("scsi%ld: %s: detect abort needed!\n",
+ ha->host_no, __func__);
+ set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ }
+ qla4xxx_wake_dpc(ha);
+ }
+ }
+ ha->fw_heartbeat_counter = fw_heartbeat_counter;
+}
+
+/**
+ * qla4_8xxx_watchdog - Poll dev state
+ * @ha: Pointer to host adapter structure.
+ *
+ * Context: Interrupt
+ **/
+void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
+{
+ uint32_t dev_state;
+
+ dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+
+ /* don't poll if reset is going on */
+ if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags)) {
+ if (dev_state == QLA82XX_DEV_NEED_RESET &&
+ !test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
+ printk("scsi%ld: %s: HW State: NEED RESET!\n",
+ ha->host_no, __func__);
+ set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ qla4xxx_wake_dpc(ha);
+ } else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT &&
+ !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
+ printk("scsi%ld: %s: HW State: NEED QUIES!\n",
+ ha->host_no, __func__);
+ set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags);
+ qla4xxx_wake_dpc(ha);
+ } else {
+ /* Check firmware health */
+ qla4_8xxx_check_fw_alive(ha);
+ }
+ }
+}
+
/**
* qla4xxx_timer - checks every second for work to do.
* @ha: Pointer to host adapter structure.
struct ddb_entry *ddb_entry, *dtemp;
int start_dpc = 0;
+ 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);
+ }
+
/* Search for relogin's to time-out and port down retry. */
list_for_each_entry_safe(ddb_entry, dtemp, &ha->ddb_list, list) {
/* Count down time between sending relogins */
set_bit(DPC_RELOGIN_DEVICE,
&ha->dpc_flags);
set_bit(DF_RELOGIN, &ddb_entry->flags);
- DEBUG2(printk("scsi%ld: %s: index [%d]"
+ DEBUG2(printk("scsi%ld: %s: ddb [%d]"
" login device\n",
ha->host_no, __func__,
ddb_entry->fw_ddb_index));
DDB_DS_SESSION_FAILED) {
/* Reset retry relogin timer */
atomic_inc(&ddb_entry->relogin_retry_count);
- DEBUG2(printk("scsi%ld: index[%d] relogin"
+ DEBUG2(printk("scsi%ld: ddb [%d] relogin"
" timed out-retrying"
" relogin (%d)\n",
ha->host_no,
relogin_retry_count))
);
start_dpc++;
- DEBUG(printk("scsi%ld:%d:%d: index [%d] "
+ DEBUG(printk("scsi%ld:%d:%d: ddb [%d] "
"initate relogin after"
" %d seconds\n",
ha->host_no, ddb_entry->bus,
}
}
- /* Check for heartbeat interval. */
- if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
- ha->heartbeat_interval != 0) {
- ha->seconds_since_last_heartbeat++;
- if (ha->seconds_since_last_heartbeat >
- ha->heartbeat_interval + 2)
- set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ if (!is_qla8022(ha)) {
+ /* Check for heartbeat interval. */
+ if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
+ ha->heartbeat_interval != 0) {
+ ha->seconds_since_last_heartbeat++;
+ if (ha->seconds_since_last_heartbeat >
+ ha->heartbeat_interval + 2)
+ set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ }
}
-
/* Wakeup the dpc routine for this adapter, if needed. */
if ((start_dpc ||
test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags) ||
+ test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
+ test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
+ test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
test_bit(DPC_AEN, &ha->dpc_flags)) &&
+ !test_bit(AF_DPC_SCHEDULED, &ha->flags) &&
ha->dpc_thread) {
DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
" - dpc flags = 0x%lx\n",
ha->host_no, __func__, ha->dpc_flags));
- queue_work(ha->dpc_thread, &ha->dpc_work);
+ qla4xxx_wake_dpc(ha);
}
/* Reschedule timer thread to call us back in one second */
static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
{
uint32_t index = 0;
- int stat = QLA_SUCCESS;
unsigned long flags;
struct scsi_cmnd *cmd;
- int wait_cnt = WAIT_CMD_TOV; /*
- * Initialized for 30 seconds as we
- * expect all commands to retuned
- * ASAP.
- */
- while (wait_cnt) {
+ unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ);
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to "
+ "complete\n", WAIT_CMD_TOV));
+
+ while (!time_after_eq(jiffies, wtime)) {
spin_lock_irqsave(&ha->hardware_lock, flags);
/* Find a command that hasn't completed. */
for (index = 0; index < ha->host->can_queue; index++) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
/* If No Commands are pending, wait is complete */
- if (index == ha->host->can_queue) {
- break;
- }
-
- /* If we timed out on waiting for commands to come back
- * return ERROR.
- */
- wait_cnt--;
- if (wait_cnt == 0)
- stat = QLA_ERROR;
- else {
- msleep(1000);
- }
- } /* End of While (wait_cnt) */
+ if (index == ha->host->can_queue)
+ return QLA_SUCCESS;
- return stat;
+ msleep(1000);
+ }
+ /* If we timed out on waiting for commands to come back
+ * return ERROR. */
+ return QLA_ERROR;
}
-void qla4xxx_hw_reset(struct scsi_qla_host *ha)
+int qla4xxx_hw_reset(struct scsi_qla_host *ha)
{
uint32_t ctrl_status;
unsigned long flags = 0;
DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__));
+ if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
+ return QLA_ERROR;
+
spin_lock_irqsave(&ha->hardware_lock, flags);
/*
readl(&ha->reg->ctrl_status);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return QLA_SUCCESS;
}
/**
}
/**
- * qla4xxx_flush_active_srbs - returns all outstanding i/o requests to O.S.
+ * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S.
* @ha: Pointer to host adapter structure.
+ * @res: returned scsi status
*
* This routine is called just prior to a HARD RESET to return all
* outstanding commands back to the Operating System.
* Caller should make sure that the following locks are released
* before this calling routine: Hardware lock, and io_request_lock.
**/
-static void qla4xxx_flush_active_srbs(struct scsi_qla_host *ha)
+static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res)
{
struct srb *srb;
int i;
for (i = 0; i < ha->host->can_queue; i++) {
srb = qla4xxx_del_from_active_array(ha, i);
if (srb != NULL) {
- srb->cmd->result = DID_RESET << 16;
+ srb->cmd->result = res;
kref_put(&srb->srb_ref, qla4xxx_srb_compl);
}
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
+void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
+{
+ clear_bit(AF_ONLINE, &ha->flags);
+
+ /* 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(AF_INIT_DONE, &ha->flags);
+}
+
/**
* 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
- *
- * renew_ddb_list value can be 0=preserve ddb list, 1=destroy and rebuild
- * ddb list.
**/
-static int qla4xxx_recover_adapter(struct scsi_qla_host *ha,
- uint8_t renew_ddb_list)
+static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
{
- int status;
+ int status = QLA_ERROR;
+ uint8_t reset_chip = 0;
/* Stall incoming I/O until we are done */
+ scsi_block_requests(ha->host);
clear_bit(AF_ONLINE, &ha->flags);
- DEBUG2(printk("scsi%ld: %s calling qla4xxx_cmd_wait\n", ha->host_no,
- __func__));
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
- /* Wait for outstanding commands to complete.
- * Stalls the driver for max 30 secs
- */
- status = qla4xxx_cmd_wait(ha);
+ set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
- qla4xxx_disable_intrs(ha);
+ if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
+ reset_chip = 1;
- /* Flush any pending ddb changed AENs */
- qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
+ /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific)
+ * do not reset adapter, jump to initialize_adapter */
+ if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
+ status = QLA_SUCCESS;
+ goto recover_ha_init_adapter;
+ }
- qla4xxx_flush_active_srbs(ha);
+ /* For the ISP-82xx adapter, issue a stop_firmware if invoked
+ * from eh_host_reset or ioctl module */
+ if (is_qla8022(ha) && !reset_chip &&
+ test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s - Performing stop_firmware...\n",
+ ha->host_no, __func__));
+ status = ha->isp_ops->reset_firmware(ha);
+ if (status == QLA_SUCCESS) {
+ qla4xxx_cmd_wait(ha);
+ ha->isp_ops->disable_intrs(ha);
+ qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
+ qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
+ } else {
+ /* If the stop_firmware fails then
+ * reset the entire chip */
+ reset_chip = 1;
+ clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
+ set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ }
+ }
- /* Reset the firmware. If successful, function
- * returns with ISP interrupts enabled.
- */
- DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n",
- ha->host_no, __func__));
- if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
- status = qla4xxx_soft_reset(ha);
- else
- status = QLA_ERROR;
+ /* Issue full chip reset if recovering from a catastrophic error,
+ * or if stop_firmware fails for ISP-82xx.
+ * This is the default case for ISP-4xxx */
+ if (!is_qla8022(ha) || reset_chip) {
+ qla4xxx_cmd_wait(ha);
+ qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
+ qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s - Performing chip reset..\n",
+ ha->host_no, __func__));
+ status = ha->isp_ops->reset_chip(ha);
+ }
/* Flush any pending ddb changed AENs */
qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
- /* Re-initialize firmware. If successful, function returns
- * with ISP interrupts enabled */
+recover_ha_init_adapter:
+ /* Upon successful firmware/chip reset, re-initialize the adapter */
if (status == QLA_SUCCESS) {
- DEBUG2(printk("scsi%ld: %s - Initializing adapter..\n",
- ha->host_no, __func__));
-
- /* If successful, AF_ONLINE flag set in
- * qla4xxx_initialize_adapter */
- status = qla4xxx_initialize_adapter(ha, renew_ddb_list);
+ /* For ISP-4xxx, force function 1 to always initialize
+ * before function 3 to prevent both funcions from
+ * stepping on top of the other */
+ if (!is_qla8022(ha) && (ha->mac_index == 3))
+ ssleep(6);
+
+ /* NOTE: AF_ONLINE flag set upon successful completion of
+ * qla4xxx_initialize_adapter */
+ status = qla4xxx_initialize_adapter(ha, PRESERVE_DDB_LIST);
}
- /* Failed adapter initialization?
- * Retry reset_ha only if invoked via DPC (DPC_RESET_HA) */
- if ((test_bit(AF_ONLINE, &ha->flags) == 0) &&
- (test_bit(DPC_RESET_HA, &ha->dpc_flags))) {
+ /* Retry failed adapter initialization, if necessary
+ * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific)
+ * case to prevent ping-pong resets between functions */
+ if (!test_bit(AF_ONLINE, &ha->flags) &&
+ !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
/* Adapter initialization failed, see if we can retry
- * resetting the ha */
+ * resetting the ha.
+ * Since we don't want to block the DPC for too long
+ * with multiple resets in the same thread,
+ * utilize DPC to retry */
if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) {
ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES;
DEBUG2(printk("scsi%ld: recover adapter - retrying "
DEBUG2(printk("scsi%ld: recover adapter "
"failed - board disabled\n",
ha->host_no));
- qla4xxx_flush_active_srbs(ha);
+ qla4xxx_dead_adapter_cleanup(ha);
clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
clear_bit(DPC_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA_DESTROY_DDB_LIST,
+ clear_bit(DPC_RESET_HA_FW_CONTEXT,
&ha->dpc_flags);
status = QLA_ERROR;
}
}
} else {
clear_bit(DPC_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags);
+ clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
}
ha->adapter_error_count++;
- if (status == QLA_SUCCESS)
- qla4xxx_enable_intrs(ha);
+ if (test_bit(AF_ONLINE, &ha->flags))
+ ha->isp_ops->enable_intrs(ha);
+
+ scsi_unblock_requests(ha->host);
+
+ clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
+ DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
+ status == QLA_ERROR ? "FAILED" : "SUCCEDED"));
- DEBUG2(printk("scsi%ld: recover adapter .. DONE\n", ha->host_no));
return status;
}
+void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
+{
+ if (ha->dpc_thread &&
+ !test_bit(AF_DPC_SCHEDULED, &ha->flags)) {
+ set_bit(AF_DPC_SCHEDULED, &ha->flags);
+ queue_work(ha->dpc_thread, &ha->dpc_work);
+ }
+}
+
/**
* qla4xxx_do_dpc - dpc routine
* @data: in our case pointer to adapter structure
int status = QLA_ERROR;
DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
- "flags = 0x%08lx, dpc_flags = 0x%08lx ctrl_stat = 0x%08x\n",
- ha->host_no, __func__, ha->flags, ha->dpc_flags,
- readw(&ha->reg->ctrl_status)));
+ "flags = 0x%08lx, dpc_flags = 0x%08lx\n",
+ ha->host_no, __func__, ha->flags, ha->dpc_flags))
/* Initialization not yet finished. Don't do anything yet. */
if (!test_bit(AF_INIT_DONE, &ha->flags))
return;
- if (adapter_up(ha) ||
- test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
+ /* 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);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_FAILED);
+ qla4_8xxx_idc_unlock(ha);
+ ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
+ qla4_8xxx_device_state_handler(ha);
+ }
+ if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
+ qla4_8xxx_need_qsnt_handler(ha);
+ }
+ }
+
+ if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) &&
+ (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) ||
- test_bit(DPC_RESET_HA, &ha->dpc_flags))
- qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST);
+ test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) {
+ if (ql4xdontresethba) {
+ DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
+ ha->host_no, __func__));
+ clear_bit(DPC_RESET_HA, &ha->dpc_flags);
+ clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
+ clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
+ goto dpc_post_reset_ha;
+ }
+ if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
+ test_bit(DPC_RESET_HA, &ha->dpc_flags))
+ qla4xxx_recover_adapter(ha);
if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
uint8_t wait_time = RESET_INTR_TOV;
DEBUG2(printk("scsi%ld: %s: SR|FSR "
"bit not cleared-- resetting\n",
ha->host_no, __func__));
- qla4xxx_flush_active_srbs(ha);
+ qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) {
qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
- status = qla4xxx_initialize_adapter(ha,
- PRESERVE_DDB_LIST);
+ status = qla4xxx_recover_adapter(ha);
}
clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
if (status == QLA_SUCCESS)
- qla4xxx_enable_intrs(ha);
+ ha->isp_ops->enable_intrs(ha);
}
}
+dpc_post_reset_ha:
/* ---- process AEN? --- */
if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
qla4xxx_process_aen(ha, PROCESS_ALL_AENS);
DDB_STATE_ONLINE);
dev_info(&ha->pdev->dev,
"scsi%ld: %s: ddb[%d]"
- " os[%d] marked"
- " ONLINE\n",
+ " marked ONLINE\n",
ha->host_no, __func__,
- ddb_entry->fw_ddb_index,
- ddb_entry->os_target_id);
+ ddb_entry->fw_ddb_index);
iscsi_unblock_session(
ddb_entry->sess);
}
}
}
+ clear_bit(AF_DPC_SCHEDULED, &ha->flags);
}
/**
if (test_bit(AF_INTERRUPTS_ON, &ha->flags)) {
/* Turn-off interrupts on the card. */
- qla4xxx_disable_intrs(ha);
+ ha->isp_ops->disable_intrs(ha);
}
+ /* Remove timer thread, if present */
+ if (ha->timer_active)
+ qla4xxx_stop_timer(ha);
+
/* Kill the kernel thread for this host */
if (ha->dpc_thread)
destroy_workqueue(ha->dpc_thread);
- /* Issue Soft Reset to put firmware in unknown state */
- if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
- qla4xxx_hw_reset(ha);
+ /* Put firmware in known state */
+ ha->isp_ops->reset_firmware(ha);
- /* Remove timer thread, if present */
- if (ha->timer_active)
- qla4xxx_stop_timer(ha);
+ if (is_qla8022(ha)) {
+ qla4_8xxx_idc_lock(ha);
+ qla4_8xxx_clear_drv_active(ha);
+ qla4_8xxx_idc_unlock(ha);
+ }
/* Detach interrupts */
if (test_and_clear_bit(AF_IRQ_ATTACHED, &ha->flags))
- free_irq(ha->pdev->irq, ha);
+ qla4xxx_free_irqs(ha);
/* free extra memory */
qla4xxx_mem_free(ha);
+}
+
+int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
+{
+ int status = 0;
+ uint8_t revision_id;
+ unsigned long mem_base, mem_len, db_base, db_len;
+ struct pci_dev *pdev = ha->pdev;
+
+ status = pci_request_regions(pdev, DRIVER_NAME);
+ if (status) {
+ printk(KERN_WARNING
+ "scsi(%ld) Failed to reserve PIO regions (%s) "
+ "status=%d\n", ha->host_no, pci_name(pdev), status);
+ goto iospace_error_exit;
+ }
+
+ pci_read_config_byte(pdev, PCI_REVISION_ID, &revision_id);
+ DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
+ __func__, revision_id));
+ ha->revision_id = revision_id;
- pci_disable_device(ha->pdev);
+ /* remap phys address */
+ mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
+ mem_len = pci_resource_len(pdev, 0);
+ DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n",
+ __func__, mem_base, mem_len));
+ /* mapping of pcibase pointer */
+ ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len);
+ if (!ha->nx_pcibase) {
+ printk(KERN_ERR
+ "cannot remap MMIO (%s), aborting\n", pci_name(pdev));
+ pci_release_regions(ha->pdev);
+ goto iospace_error_exit;
+ }
+
+ /* Mapping of IO base pointer, door bell read and write pointer */
+
+ /* mapping of IO base pointer */
+ ha->qla4_8xxx_reg =
+ (struct device_reg_82xx __iomem *)((uint8_t *)ha->nx_pcibase +
+ 0xbc000 + (ha->pdev->devfn << 11));
+
+ db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
+ db_len = pci_resource_len(pdev, 4);
+
+ /* mapping of doorbell write pointer */
+ ha->nx_db_wr_ptr = (unsigned long)ioremap(db_base +
+ (ha->pdev->devfn << 12), 4);
+ if (!ha->nx_db_wr_ptr) {
+ printk(KERN_ERR
+ "cannot remap MMIO doorbell-write (%s), aborting\n",
+ pci_name(pdev));
+ goto iospace_error_exit;
+ }
+ /* mapping of doorbell read pointer */
+ ha->nx_db_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) +
+ (ha->pdev->devfn * 8);
+ if (!ha->nx_db_rd_ptr)
+ printk(KERN_ERR
+ "cannot remap MMIO doorbell-read (%s), aborting\n",
+ pci_name(pdev));
+ return 0;
+
+iospace_error_exit:
+ return -ENOMEM;
}
/***
* This routines maps HBA's registers from the pci address space
* into the kernel virtual address space for memory mapped i/o.
**/
-static int qla4xxx_iospace_config(struct scsi_qla_host *ha)
+int qla4xxx_iospace_config(struct scsi_qla_host *ha)
{
unsigned long pio, pio_len, pio_flags;
unsigned long mmio, mmio_len, mmio_flags;
return -ENOMEM;
}
+static struct isp_operations qla4xxx_isp_ops = {
+ .iospace_config = qla4xxx_iospace_config,
+ .pci_config = qla4xxx_pci_config,
+ .disable_intrs = qla4xxx_disable_intrs,
+ .enable_intrs = qla4xxx_enable_intrs,
+ .start_firmware = qla4xxx_start_firmware,
+ .intr_handler = qla4xxx_intr_handler,
+ .interrupt_service_routine = qla4xxx_interrupt_service_routine,
+ .reset_chip = qla4xxx_soft_reset,
+ .reset_firmware = qla4xxx_hw_reset,
+ .queue_iocb = qla4xxx_queue_iocb,
+ .complete_iocb = qla4xxx_complete_iocb,
+ .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
+ .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
+ .get_sys_info = qla4xxx_get_sys_info,
+};
+
+static struct isp_operations qla4_8xxx_isp_ops = {
+ .iospace_config = qla4_8xxx_iospace_config,
+ .pci_config = qla4_8xxx_pci_config,
+ .disable_intrs = qla4_8xxx_disable_intrs,
+ .enable_intrs = qla4_8xxx_enable_intrs,
+ .start_firmware = qla4_8xxx_load_risc,
+ .intr_handler = qla4_8xxx_intr_handler,
+ .interrupt_service_routine = qla4_8xxx_interrupt_service_routine,
+ .reset_chip = qla4_8xxx_isp_reset,
+ .reset_firmware = qla4_8xxx_stop_firmware,
+ .queue_iocb = qla4_8xxx_queue_iocb,
+ .complete_iocb = qla4_8xxx_complete_iocb,
+ .rd_shdw_req_q_out = qla4_8xxx_rd_shdw_req_q_out,
+ .rd_shdw_rsp_q_in = qla4_8xxx_rd_shdw_rsp_q_in,
+ .get_sys_info = qla4_8xxx_get_sys_info,
+};
+
+uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
+{
+ return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out);
+}
+
+uint16_t qla4_8xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
+{
+ return (uint16_t)le32_to_cpu(readl(&ha->qla4_8xxx_reg->req_q_out));
+}
+
+uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
+{
+ return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in);
+}
+
+uint16_t qla4_8xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
+{
+ return (uint16_t)le32_to_cpu(readl(&ha->qla4_8xxx_reg->rsp_q_in));
+}
+
/**
* qla4xxx_probe_adapter - callback function to probe HBA
* @pdev: pointer to pci_dev structure
struct scsi_qla_host *ha;
uint8_t init_retry_count = 0;
char buf[34];
+ struct qla4_8xxx_legacy_intr_set *nx_legacy_intr;
if (pci_enable_device(pdev))
return -1;
ha->host = host;
ha->host_no = host->host_no;
+ /* Setup Runtime configurable options */
+ if (is_qla8022(ha)) {
+ ha->isp_ops = &qla4_8xxx_isp_ops;
+ rwlock_init(&ha->hw_lock);
+ ha->qdr_sn_window = -1;
+ ha->ddr_mn_window = -1;
+ ha->curr_window = 255;
+ ha->func_num = PCI_FUNC(ha->pdev->devfn);
+ nx_legacy_intr = &legacy_intr[ha->func_num];
+ ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
+ ha->nx_legacy_intr.tgt_status_reg =
+ nx_legacy_intr->tgt_status_reg;
+ ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
+ ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
+ } else {
+ ha->isp_ops = &qla4xxx_isp_ops;
+ }
+
/* Configure PCI I/O space. */
- ret = qla4xxx_iospace_config(ha);
+ ret = ha->isp_ops->iospace_config(ha);
if (ret)
- goto probe_failed;
+ goto probe_failed_ioconfig;
dev_info(&ha->pdev->dev, "Found an ISP%04x, irq %d, iobase 0x%p\n",
pdev->device, pdev->irq, ha->reg);
INIT_LIST_HEAD(&ha->free_srb_q);
mutex_init(&ha->mbox_sem);
+ init_completion(&ha->mbx_intr_comp);
spin_lock_init(&ha->hardware_lock);
goto probe_failed;
}
+ if (is_qla8022(ha))
+ (void) qla4_8xxx_get_flash_info(ha);
+
/*
* Initialize the Host adapter request/response queues and
* firmware
* NOTE: interrupts enabled upon successful completion
*/
status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST);
- while (status == QLA_ERROR && init_retry_count++ < MAX_INIT_RETRIES) {
+ while ((!test_bit(AF_ONLINE, &ha->flags)) &&
+ init_retry_count++ < MAX_INIT_RETRIES) {
DEBUG2(printk("scsi: %s: retrying adapter initialization "
"(%d)\n", __func__, init_retry_count));
- qla4xxx_soft_reset(ha);
+
+ if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
+ continue;
+
status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST);
}
- if (status == QLA_ERROR) {
+
+ if (!test_bit(AF_ONLINE, &ha->flags)) {
dev_warn(&ha->pdev->dev, "Failed to initialize adapter\n");
ret = -ENODEV;
}
INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
- ret = request_irq(pdev->irq, qla4xxx_intr_handler,
- IRQF_DISABLED | IRQF_SHARED, "qla4xxx", ha);
- if (ret) {
- dev_warn(&ha->pdev->dev, "Failed to reserve interrupt %d"
- " already in use.\n", pdev->irq);
- goto probe_failed;
+ /* For ISP-82XX, request_irqs is called in qla4_8xxx_load_risc
+ * (which is called indirectly by qla4xxx_initialize_adapter),
+ * so that irqs will be registered after crbinit but before
+ * mbx_intr_enable.
+ */
+ if (!is_qla8022(ha)) {
+ ret = qla4xxx_request_irqs(ha);
+ if (ret) {
+ ql4_printk(KERN_WARNING, ha, "Failed to reserve "
+ "interrupt %d already in use.\n", pdev->irq);
+ goto probe_failed;
+ }
}
- set_bit(AF_IRQ_ATTACHED, &ha->flags);
- host->irq = pdev->irq;
- DEBUG(printk("scsi%d: irq %d attached\n", ha->host_no, ha->pdev->irq));
- qla4xxx_enable_intrs(ha);
+ ha->isp_ops->enable_intrs(ha);
/* Start timer thread. */
qla4xxx_start_timer(ha, qla4xxx_timer, 1);
probe_failed:
qla4xxx_free_adapter(ha);
+
+probe_failed_ioconfig:
scsi_host_put(ha->host);
probe_disable_device:
ha = pci_get_drvdata(pdev);
- qla4xxx_disable_intrs(ha);
-
- while (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags))
- ssleep(1);
+ set_bit(AF_HBA_GOING_AWAY, &ha->flags);
/* remove devs from iscsi_sessions to scsi_devices */
qla4xxx_free_ddb_list(ha);
scsi_host_put(ha->host);
+ pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
}
*
* This routine removes and returns the srb at the specified index
**/
-struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t index)
+struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
+ uint32_t index)
{
struct srb *srb = NULL;
struct scsi_cmnd *cmd = NULL;
ha = (struct scsi_qla_host *) cmd->device->host->hostdata;
+ if (ql4xdontresethba) {
+ DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
+ ha->host_no, __func__));
+ return FAILED;
+ }
+
dev_info(&ha->pdev->dev,
"scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no,
cmd->device->channel, cmd->device->id, cmd->device->lun);
return FAILED;
}
- /* make sure the dpc thread is stopped while we reset the hba */
- clear_bit(AF_ONLINE, &ha->flags);
- flush_workqueue(ha->dpc_thread);
+ if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
+ if (is_qla8022(ha))
+ set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
+ else
+ set_bit(DPC_RESET_HA, &ha->dpc_flags);
+ }
- if (qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST) == QLA_SUCCESS)
+ if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS)
return_status = SUCCESS;
dev_info(&ha->pdev->dev, "HOST RESET %s.\n",
return return_status;
}
-
static struct pci_device_id qla4xxx_pci_tbl[] = {
{
.vendor = PCI_VENDOR_ID_QLOGIC,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
+ {
+ .vendor = PCI_VENDOR_ID_QLOGIC,
+ .device = PCI_DEVICE_ID_QLOGIC_ISP8022,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
{0, 0},
};
MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
static void __exit qla4xxx_module_exit(void)
{
- ql4_mod_unload = 1;
pci_unregister_driver(&qla4xxx_pci_driver);
iscsi_unregister_transport(&qla4xxx_iscsi_transport);
kmem_cache_destroy(srb_cachep);
git.openpandora.org / pandora-kernel.git / blobdiff