1 files changed, 71 insertions, 28 deletions

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index e9716b10acea..af6ec553ff7c 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -91,6 +91,7 @@ enum mptsas_hotplug_action {
         MPTSAS_DEL_DEVICE,
         MPTSAS_ADD_RAID,
         MPTSAS_DEL_RAID,
+        MPTSAS_IGNORE_EVENT,
 };
 
 struct mptsas_hotplug_event {
@@ -298,6 +299,26 @@ mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
         return rc;
 }
 
+/*
+ * Returns true if there is a scsi end device
+ */
+static inline int
+mptsas_is_end_device(struct mptsas_devinfo * attached)
+{
+        if ((attached->handle) &&
+            (attached->device_info &
+            MPI_SAS_DEVICE_INFO_END_DEVICE) &&
+            ((attached->device_info &
+            MPI_SAS_DEVICE_INFO_SSP_TARGET) |
+            (attached->device_info &
+            MPI_SAS_DEVICE_INFO_STP_TARGET) |
+            (attached->device_info &
+            MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
+                return 1;
+        else
+                return 0;
+}
+
 static int
 mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
                 u32 form, u32 form_specific)
@@ -872,7 +893,11 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
         SasDevicePage0_t *buffer;
         dma_addr_t dma_handle;
         __le64 sas_address;
-        int error;
+        int error=0;
+
+        if (ioc->sas_discovery_runtime &&
+                mptsas_is_end_device(device_info))
+                        goto out;
 
         hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
         hdr.ExtPageLength = 0;
@@ -1009,7 +1034,11 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
         CONFIGPARMS cfg;
         SasExpanderPage1_t *buffer;
         dma_addr_t dma_handle;
-        int error;
+        int error=0;
+
+        if (ioc->sas_discovery_runtime &&
+                mptsas_is_end_device(&phy_info->attached))
+                        goto out;
 
         hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
         hdr.ExtPageLength = 0;
@@ -1068,26 +1097,6 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
         return error;
 }
 
-/*
- * Returns true if there is a scsi end device
- */
-static inline int
-mptsas_is_end_device(struct mptsas_devinfo * attached)
-{
-        if ((attached->handle) &&
-            (attached->device_info &
-            MPI_SAS_DEVICE_INFO_END_DEVICE) &&
-            ((attached->device_info &
-            MPI_SAS_DEVICE_INFO_SSP_TARGET) |
-            (attached->device_info &
-            MPI_SAS_DEVICE_INFO_STP_TARGET) |
-            (attached->device_info &
-            MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
-                return 1;
-        else
-                return 0;
-}
-
 static void
 mptsas_parse_device_info(struct sas_identify *identify,
                 struct mptsas_devinfo *device_info)
@@ -1737,6 +1746,9 @@ mptsas_hotplug_work(void *arg)
                 break;
         case MPTSAS_ADD_DEVICE:
 
+                if (ev->phys_disk_num_valid)
+                        mpt_findImVolumes(ioc);
+
                 /*
                  * Refresh sas device pg0 data
                  */
@@ -1868,6 +1880,9 @@ mptsas_hotplug_work(void *arg)
                 scsi_device_put(sdev);
                 mpt_findImVolumes(ioc);
                 break;
+        case MPTSAS_IGNORE_EVENT:
+        default:
+                break;
         }
 
         kfree(ev);
@@ -1940,7 +1955,8 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc,
                 EVENT_DATA_RAID *raid_event_data)
 {
         struct mptsas_hotplug_event *ev;
-        RAID_VOL0_STATUS * volumeStatus;
+        int status = le32_to_cpu(raid_event_data->SettingsStatus);
+        int state = (status >> 8) & 0xff;
 
         if (ioc->bus_type != SAS)
                 return;
@@ -1955,6 +1971,7 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc,
         INIT_WORK(&ev->work, mptsas_hotplug_work, ev);
         ev->ioc = ioc;
         ev->id = raid_event_data->VolumeID;
+        ev->event_type = MPTSAS_IGNORE_EVENT;
 
         switch (raid_event_data->ReasonCode) {
         case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
@@ -1966,6 +1983,25 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc,
                 ev->phys_disk_num = raid_event_data->PhysDiskNum;
                 ev->event_type = MPTSAS_DEL_DEVICE;
                 break;
+        case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
+                switch (state) {
+                case MPI_PD_STATE_ONLINE:
+                        ioc->raid_data.isRaid = 1;
+                        ev->phys_disk_num_valid = 1;
+                        ev->phys_disk_num = raid_event_data->PhysDiskNum;
+                        ev->event_type = MPTSAS_ADD_DEVICE;
+                        break;
+                case MPI_PD_STATE_MISSING:
+                case MPI_PD_STATE_NOT_COMPATIBLE:
+                case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
+                case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
+                case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
+                        ev->event_type = MPTSAS_DEL_DEVICE;
+                        break;
+                default:
+                        break;
+                }
+                break;
         case MPI_EVENT_RAID_RC_VOLUME_DELETED:
                 ev->event_type = MPTSAS_DEL_RAID;
                 break;
@@ -1973,11 +2009,18 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc,
                 ev->event_type = MPTSAS_ADD_RAID;
                 break;
         case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
-                volumeStatus = (RAID_VOL0_STATUS *) &
-                    raid_event_data->SettingsStatus;
-                ev->event_type = (volumeStatus->State ==
-                    MPI_RAIDVOL0_STATUS_STATE_FAILED) ?
-                    MPTSAS_DEL_RAID : MPTSAS_ADD_RAID;
+                switch (state) {
+                case MPI_RAIDVOL0_STATUS_STATE_FAILED:
+                case MPI_RAIDVOL0_STATUS_STATE_MISSING:
+                        ev->event_type = MPTSAS_DEL_RAID;
+                        break;
+                case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
+                case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
+                        ev->event_type = MPTSAS_ADD_RAID;
+                        break;
+                default:
+                        break;
+                }
                 break;
         default:
                 break;