1 files changed, 69 insertions, 1 deletions

diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index 41ffc205724f..a8a2666831d3 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -728,6 +728,10 @@ static int
 megasas_check_reset_gen2(struct megasas_instance *instance,
                 struct megasas_register_set __iomem *regs)
 {
+        if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) {
+                return 1;
+        }
+
         return 0;
 }
 
@@ -940,6 +944,7 @@ megasas_make_sgl_skinny(struct megasas_instance *instance,
                         mfi_sgl->sge_skinny[i].length = sg_dma_len(os_sgl);
                         mfi_sgl->sge_skinny[i].phys_addr =
                                                 sg_dma_address(os_sgl);
+                        mfi_sgl->sge_skinny[i].flag = 0;
                 }
         }
         return sge_count;
@@ -1567,6 +1572,28 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr)
         }
 }
 
+static void
+megasas_internal_reset_defer_cmds(struct megasas_instance *instance);
+
+static void
+process_fw_state_change_wq(struct work_struct *work);
+
+void megasas_do_ocr(struct megasas_instance *instance)
+{
+        if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1064R) ||
+        (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5) ||
+        (instance->pdev->device == PCI_DEVICE_ID_LSI_VERDE_ZCR)) {
+                *instance->consumer     = MEGASAS_ADPRESET_INPROG_SIGN;
+        }
+        instance->instancet->disable_intr(instance->reg_set);
+        instance->adprecovery   = MEGASAS_ADPRESET_SM_INFAULT;
+        instance->issuepend_done = 0;
+
+        atomic_set(&instance->fw_outstanding, 0);
+        megasas_internal_reset_defer_cmds(instance);
+        process_fw_state_change_wq(&instance->work_init);
+}
+
 /**
  * megasas_wait_for_outstanding -       Wait for all outstanding cmds
  * @instance:                           Adapter soft state
@@ -1584,6 +1611,8 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance)
         unsigned long flags;
         struct list_head clist_local;
         struct megasas_cmd *reset_cmd;
+        u32 fw_state;
+        u8 kill_adapter_flag;
 
         spin_lock_irqsave(&instance->hba_lock, flags);
         adprecovery = instance->adprecovery;
@@ -1669,7 +1698,45 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance)
                 msleep(1000);
         }
 
-        if (atomic_read(&instance->fw_outstanding)) {
+        i = 0;
+        kill_adapter_flag = 0;
+        do {
+                fw_state = instance->instancet->read_fw_status_reg(
+                                        instance->reg_set) & MFI_STATE_MASK;
+                if ((fw_state == MFI_STATE_FAULT) &&
+                        (instance->disableOnlineCtrlReset == 0)) {
+                        if (i == 3) {
+                                kill_adapter_flag = 2;
+                                break;
+                        }
+                        megasas_do_ocr(instance);
+                        kill_adapter_flag = 1;
+
+                        /* wait for 1 secs to let FW finish the pending cmds */
+                        msleep(1000);
+                }
+                i++;
+        } while (i <= 3);
+
+        if (atomic_read(&instance->fw_outstanding) &&
+                                        !kill_adapter_flag) {
+                if (instance->disableOnlineCtrlReset == 0) {
+
+                        megasas_do_ocr(instance);
+
+                        /* wait for 5 secs to let FW finish the pending cmds */
+                        for (i = 0; i < wait_time; i++) {
+                                int outstanding =
+                                        atomic_read(&instance->fw_outstanding);
+                                if (!outstanding)
+                                        return SUCCESS;
+                                msleep(1000);
+                        }
+                }
+        }
+
+        if (atomic_read(&instance->fw_outstanding) ||
+                                        (kill_adapter_flag == 2)) {
                 printk(KERN_NOTICE "megaraid_sas: pending cmds after reset\n");
                 /*
                 * Send signal to FW to stop processing any pending cmds.
@@ -2679,6 +2746,7 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
                         return -ENOMEM;
                 }
 
+                memset(cmd->frame, 0, total_sz);
                 cmd->frame->io.context = cmd->index;
                 cmd->frame->io.pad_0 = 0;
         }