[SCSI] mptfusion: sas enclosures with smart drive

Adding support for sas enclosures with smart drives.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

2 files changed, 48 insertions, 0 deletions

diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 014e1de0f7cb..ea92a55da4aa 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -363,6 +363,7 @@ typedef struct _VirtDevice {
 #define MPT_TARGET_FLAGS_VALID_56       0x10
 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED  0x20
 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
+#define MPT_TARGET_FLAGS_LED_ON         0x80
 
 /*
  *      /proc/mpt interface
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 8242b16e3168..c8a9d8e8c5de 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -497,6 +497,34 @@ nextSGEset:
         return SUCCESS;
 } /* mptscsih_AddSGE() */
 
+static void
+mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
+    U32 SlotStatus)
+{
+        MPT_FRAME_HDR *mf;
+        SEPRequest_t     *SEPMsg;
+
+        if (ioc->bus_type == FC)
+                return;
+
+        if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
+                dfailprintk((MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
+                    ioc->name,__FUNCTION__));
+                return;
+        }
+
+        SEPMsg = (SEPRequest_t *)mf;
+        SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
+        SEPMsg->Bus = vtarget->bus_id;
+        SEPMsg->TargetID = vtarget->target_id;
+        SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
+        SEPMsg->SlotStatus = SlotStatus;
+        devtverboseprintk((MYIOC_s_WARN_FMT
+            "Sending SEP cmd=%x id=%d bus=%d\n",
+            ioc->name, SlotStatus, SEPMsg->TargetID, SEPMsg->Bus));
+        mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
+}
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
  *      mptscsih_io_done - Main SCSI IO callback routine registered to
@@ -520,6 +548,8 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
         SCSIIORequest_t *pScsiReq;
         SCSIIOReply_t   *pScsiReply;
         u16              req_idx, req_idx_MR;
+        VirtDevice       *vdev;
+        VirtTarget       *vtarget;
 
         hd = (MPT_SCSI_HOST *) ioc->sh->hostdata;
 
@@ -640,6 +670,16 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 
                         if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
                                 hd->sel_timeout[pScsiReq->TargetID]++;
+
+                        vdev = sc->device->hostdata;
+                        if (!vdev)
+                                break;
+                        vtarget = vdev->vtarget;
+                        if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
+                                mptscsih_issue_sep_command(ioc, vtarget,
+                                    MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
+                                vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
+                        }
                         break;
 
                 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:        /* 0x0048 */
@@ -2401,6 +2441,13 @@ mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR
                                 ioc->events[idx].data[1] = (sense_data[13] << 8) || sense_data[12];
 
                                 ioc->eventContext++;
+                                if (hd->ioc->pcidev->vendor ==
+                                    PCI_VENDOR_ID_IBM) {
+                                        mptscsih_issue_sep_command(hd->ioc,
+                                            vdev->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
+                                        vdev->vtarget->tflags |=
+                                            MPT_TARGET_FLAGS_LED_ON;
+                                }
                         }
                 }
         } else {