aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/mpi3mr/mpi3mr_fw.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_fw.c')
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_fw.c105
1 files changed, 97 insertions, 8 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index 78792f27b73b..a10cffaa37ae 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -431,6 +431,9 @@ static int mpi3mr_process_admin_reply_q(struct mpi3mr_ioc *mrioc)
return 0;
do {
+ if (mrioc->unrecoverable)
+ break;
+
mrioc->admin_req_ci = le16_to_cpu(reply_desc->request_queue_ci);
mpi3mr_process_admin_reply_desc(mrioc, reply_desc, &reply_dma);
if (reply_dma)
@@ -516,6 +519,9 @@ int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
}
do {
+ if (mrioc->unrecoverable)
+ break;
+
req_q_idx = le16_to_cpu(reply_desc->request_queue_id) - 1;
op_req_q = &mrioc->req_qinfo[req_q_idx];
@@ -577,7 +583,8 @@ int mpi3mr_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num)
mrioc = (struct mpi3mr_ioc *)shost->hostdata;
- if ((mrioc->reset_in_progress || mrioc->prepare_for_reset))
+ if ((mrioc->reset_in_progress || mrioc->prepare_for_reset ||
+ mrioc->unrecoverable))
return 0;
num_entries = mpi3mr_process_op_reply_q(mrioc,
@@ -673,7 +680,7 @@ static irqreturn_t mpi3mr_isr_poll(int irq, void *privdata)
/* Poll for pending IOs completions */
do {
- if (!mrioc->intr_enabled)
+ if (!mrioc->intr_enabled || mrioc->unrecoverable)
break;
if (!midx)
@@ -1220,6 +1227,14 @@ static int mpi3mr_bring_ioc_ready(struct mpi3mr_ioc *mrioc)
msleep(100);
} while (--timeout);
+ if (!pci_device_is_present(mrioc->pdev)) {
+ mrioc->unrecoverable = 1;
+ ioc_err(mrioc,
+ "controller is not present while waiting to reset\n");
+ retval = -1;
+ goto out_device_not_present;
+ }
+
ioc_state = mpi3mr_get_iocstate(mrioc);
ioc_info(mrioc,
"controller is in %s state after waiting to reset\n",
@@ -1277,6 +1292,13 @@ static int mpi3mr_bring_ioc_ready(struct mpi3mr_ioc *mrioc)
mpi3mr_iocstate_name(ioc_state));
return 0;
}
+ if (!pci_device_is_present(mrioc->pdev)) {
+ mrioc->unrecoverable = 1;
+ ioc_err(mrioc,
+ "controller is not present at the bringup\n");
+ retval = -1;
+ goto out_device_not_present;
+ }
msleep(100);
} while (--timeout);
@@ -1285,6 +1307,7 @@ out_failed:
ioc_err(mrioc,
"failed to bring to ready state, current state: %s\n",
mpi3mr_iocstate_name(ioc_state));
+out_device_not_present:
return retval;
}
@@ -2223,6 +2246,17 @@ void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code)
{
u32 ioc_status, host_diagnostic, timeout;
+ if (mrioc->unrecoverable) {
+ ioc_err(mrioc, "controller is unrecoverable\n");
+ return;
+ }
+
+ if (!pci_device_is_present(mrioc->pdev)) {
+ mrioc->unrecoverable = 1;
+ ioc_err(mrioc, "controller is not present\n");
+ return;
+ }
+
ioc_status = readl(&mrioc->sysif_regs->ioc_status);
if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) ||
(ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)) {
@@ -2414,8 +2448,20 @@ static void mpi3mr_watchdog_work(struct work_struct *work)
u32 fault, host_diagnostic, ioc_status;
u32 reset_reason = MPI3MR_RESET_FROM_FAULT_WATCH;
- if (mrioc->reset_in_progress || mrioc->unrecoverable)
+ if (mrioc->reset_in_progress)
+ return;
+
+ if (!mrioc->unrecoverable && !pci_device_is_present(mrioc->pdev)) {
+ ioc_err(mrioc, "watchdog could not detect the controller\n");
+ mrioc->unrecoverable = 1;
+ }
+
+ if (mrioc->unrecoverable) {
+ ioc_err(mrioc,
+ "flush pending commands for unrecoverable controller\n");
+ mpi3mr_flush_cmds_for_unrecovered_controller(mrioc);
return;
+ }
if (mrioc->ts_update_counter++ >= MPI3MR_TSUPDATE_INTERVAL) {
mrioc->ts_update_counter = 0;
@@ -2460,7 +2506,7 @@ static void mpi3mr_watchdog_work(struct work_struct *work)
ioc_info(mrioc,
"controller requires system power cycle, marking controller as unrecoverable\n");
mrioc->unrecoverable = 1;
- return;
+ goto schedule_work;
case MPI3_SYSIF_FAULT_CODE_SOFT_RESET_IN_PROGRESS:
return;
case MPI3_SYSIF_FAULT_CODE_CI_ACTIVATION_RESET:
@@ -3396,10 +3442,13 @@ out_failed:
static void mpi3mr_port_enable_complete(struct mpi3mr_ioc *mrioc,
struct mpi3mr_drv_cmd *drv_cmd)
{
- drv_cmd->state = MPI3MR_CMD_NOTUSED;
drv_cmd->callback = NULL;
- mrioc->scan_failed = drv_cmd->ioc_status;
mrioc->scan_started = 0;
+ if (drv_cmd->state & MPI3MR_CMD_RESET)
+ mrioc->scan_failed = MPI3_IOCSTATUS_INTERNAL_ERROR;
+ else
+ mrioc->scan_failed = drv_cmd->ioc_status;
+ drv_cmd->state = MPI3MR_CMD_NOTUSED;
}
/**
@@ -3897,8 +3946,12 @@ int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume)
int retval = 0;
u8 retry = 0;
struct mpi3_ioc_facts_data facts_data;
+ u32 pe_timeout, ioc_status;
retry_init:
+ pe_timeout =
+ (MPI3MR_PORTENABLE_TIMEOUT / MPI3MR_PORTENABLE_POLL_INTERVAL);
+
dprint_reset(mrioc, "bringing up the controller to ready state\n");
retval = mpi3mr_bring_ioc_ready(mrioc);
if (retval) {
@@ -3994,11 +4047,46 @@ retry_init:
}
ioc_info(mrioc, "sending port enable\n");
- retval = mpi3mr_issue_port_enable(mrioc, 0);
+ retval = mpi3mr_issue_port_enable(mrioc, 1);
if (retval) {
ioc_err(mrioc, "failed to issue port enable\n");
goto out_failed;
}
+ do {
+ ssleep(MPI3MR_PORTENABLE_POLL_INTERVAL);
+ if (mrioc->init_cmds.state == MPI3MR_CMD_NOTUSED)
+ break;
+ if (!pci_device_is_present(mrioc->pdev))
+ mrioc->unrecoverable = 1;
+ if (mrioc->unrecoverable) {
+ retval = -1;
+ goto out_failed_noretry;
+ }
+ ioc_status = readl(&mrioc->sysif_regs->ioc_status);
+ if ((ioc_status & MPI3_SYSIF_IOC_STATUS_RESET_HISTORY) ||
+ (ioc_status & MPI3_SYSIF_IOC_STATUS_FAULT)) {
+ mpi3mr_print_fault_info(mrioc);
+ mrioc->init_cmds.is_waiting = 0;
+ mrioc->init_cmds.callback = NULL;
+ mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
+ goto out_failed;
+ }
+ } while (--pe_timeout);
+
+ if (!pe_timeout) {
+ ioc_err(mrioc, "port enable timed out\n");
+ mpi3mr_check_rh_fault_ioc(mrioc,
+ MPI3MR_RESET_FROM_PE_TIMEOUT);
+ mrioc->init_cmds.is_waiting = 0;
+ mrioc->init_cmds.callback = NULL;
+ mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED;
+ goto out_failed;
+ } else if (mrioc->scan_failed) {
+ ioc_err(mrioc,
+ "port enable failed with status=0x%04x\n",
+ mrioc->scan_failed);
+ } else
+ ioc_info(mrioc, "port enable completed successfully\n");
ioc_info(mrioc, "controller %s completed successfully\n",
(is_resume)?"resume":"re-initialization");
@@ -4417,7 +4505,7 @@ static inline void mpi3mr_drv_cmd_comp_reset(struct mpi3mr_ioc *mrioc,
*
* Return: Nothing.
*/
-static void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc)
+void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc)
{
struct mpi3mr_drv_cmd *cmdptr;
u8 i;
@@ -4850,6 +4938,7 @@ out:
mrioc->unrecoverable = 1;
mrioc->reset_in_progress = 0;
retval = -1;
+ mpi3mr_flush_cmds_for_unrecovered_controller(mrioc);
}
mrioc->prev_reset_result = retval;
mutex_unlock(&mrioc->reset_mutex);