4 files changed, 47 insertions, 5 deletions

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 517621fa8bca..e9c6a6047a00 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -6474,8 +6474,19 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
                         pReq->Action, ioc->mptbase_cmds.status, timeleft));
                 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
                         goto out;
-                if (!timeleft)
+                if (!timeleft) {
+                        spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+                        if (ioc->ioc_reset_in_progress) {
+                                spin_unlock_irqrestore(&ioc->taskmgmt_lock,
+                                        flags);
+                                printk(MYIOC_s_INFO_FMT "%s: host reset in"
+                                        " progress mpt_config timed out.!!\n",
+                                        __func__, ioc->name);
+                                return -EFAULT;
+                        }
+                        spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
                         issue_hard_reset = 1;
+                }
                 goto out;
         }
 
@@ -7189,7 +7200,18 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
         spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
         if (ioc->ioc_reset_in_progress) {
                 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
-                return 0;
+                ioc->wait_on_reset_completion = 1;
+                do {
+                        ssleep(1);
+                } while (ioc->ioc_reset_in_progress == 1);
+                ioc->wait_on_reset_completion = 0;
+                return ioc->reset_status;
+        }
+        if (ioc->wait_on_reset_completion) {
+                spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+                rc = 0;
+                time_count = jiffies;
+                goto exit;
         }
         ioc->ioc_reset_in_progress = 1;
         if (ioc->alt_ioc)
@@ -7226,6 +7248,7 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
         ioc->ioc_reset_in_progress = 0;
         ioc->taskmgmt_quiesce_io = 0;
         ioc->taskmgmt_in_progress = 0;
+        ioc->reset_status = rc;
         if (ioc->alt_ioc) {
                 ioc->alt_ioc->ioc_reset_in_progress = 0;
                 ioc->alt_ioc->taskmgmt_quiesce_io = 0;
@@ -7241,7 +7264,7 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
                                         ioc->alt_ioc, MPT_IOC_POST_RESET);
                 }
         }
-
+exit:
         dtmprintk(ioc,
             printk(MYIOC_s_DEBUG_FMT
                 "HardResetHandler: completed (%d seconds): %s\n", ioc->name,
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index a4048ea45c92..b4d24dc081ae 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -753,6 +753,8 @@ typedef struct _MPT_ADAPTER
         int                      taskmgmt_in_progress;
         u8                       taskmgmt_quiesce_io;
         u8                       ioc_reset_in_progress;
+        u8                       reset_status;
+        u8                       wait_on_reset_completion;
         MPT_SCHEDULE_TARGET_RESET schedule_target_reset;
         MPT_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
         struct work_struct       sas_persist_task;
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 074e52254fcd..9d9504298549 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -1950,6 +1950,15 @@ static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
                 goto done;
         }
 
+        /* In case if IOC is in reset from internal context.
+        *  Do not execute EEH for the same IOC. SML should to reset timer.
+        */
+        if (ioc->ioc_reset_in_progress) {
+                dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: ioc is in reset,"
+                    "SML need to reset the timer (sc=%p)\n",
+                    ioc->name, __func__, sc));
+                rc = BLK_EH_RESET_TIMER;
+        }
         vdevice = sc->device->hostdata;
         if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD
                 || vdevice->vtarget->deleted)) {
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index de8cf92d8614..ced6e4dc0847 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1630,7 +1630,13 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
                 return 0;
         }
 
-        if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
+        /* DOORBELL ACTIVE check is not required if
+        *  MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
+        */
+
+        if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
+                 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
+                (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
                 printk(MYIOC_s_WARN_FMT
                         "TaskMgmt type=%x: ioc_state: "
                         "DOORBELL_ACTIVE (0x%x)!\n",
@@ -1729,7 +1735,9 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
                 printk(MYIOC_s_WARN_FMT
                        "Issuing Reset from %s!! doorbell=0x%08x\n",
                        ioc->name, __func__, mpt_GetIocState(ioc, 0));
-                retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
+                retval = (ioc->bus_type == SAS) ?
+                        mpt_HardResetHandler(ioc, CAN_SLEEP) :
+                        mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
                 mpt_free_msg_frame(ioc, mf);
         }