]> Git Repo - linux.git/blobdiff - drivers/scsi/mpt2sas/mpt2sas_scsih.c
sysctl: Remove references to ctl_name and strategy from the generic sysctl table
[linux.git] / drivers / scsi / mpt2sas / mpt2sas_scsih.c
index 10d99086ed4697e2a3914033037b7b3aba82efde..86ab32d7ab15805f410470588d23ee0e17c1fd3f 100644 (file)
@@ -79,6 +79,9 @@ static u8 transport_cb_idx = -1;
 static u8 config_cb_idx = -1;
 static int mpt_ids;
 
+static u8 tm_tr_cb_idx = -1 ;
+static u8 tm_sas_control_cb_idx = -1;
+
 /* command line options */
 static u32 logging_level;
 MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info "
@@ -762,66 +765,16 @@ _scsih_is_end_device(u32 device_info)
 }
 
 /**
- * _scsih_scsi_lookup_get - returns scmd entry
+ * mptscsih_get_scsi_lookup - returns scmd entry
  * @ioc: per adapter object
  * @smid: system request message index
- * Context: This function will acquire ioc->scsi_lookup_lock.
  *
  * Returns the smid stored scmd pointer.
  */
 static struct scsi_cmnd *
 _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
 {
-       unsigned long   flags;
-       struct scsi_cmnd *scmd;
-
-       spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
-       scmd = ioc->scsi_lookup[smid - 1].scmd;
-       spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
-       return scmd;
-}
-
-/**
- * mptscsih_getclear_scsi_lookup - returns scmd entry
- * @ioc: per adapter object
- * @smid: system request message index
- * Context: This function will acquire ioc->scsi_lookup_lock.
- *
- * Returns the smid stored scmd pointer, as well as clearing the scmd pointer.
- */
-static struct scsi_cmnd *
-_scsih_scsi_lookup_getclear(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
-       unsigned long   flags;
-       struct scsi_cmnd *scmd;
-
-       spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
-       scmd = ioc->scsi_lookup[smid - 1].scmd;
-       ioc->scsi_lookup[smid - 1].scmd = NULL;
-       spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
-       return scmd;
-}
-
-/**
- * _scsih_scsi_lookup_set - updates scmd entry in lookup
- * @ioc: per adapter object
- * @smid: system request message index
- * @scmd: pointer to scsi command object
- * Context: This function will acquire ioc->scsi_lookup_lock.
- *
- * This will save scmd pointer in the scsi_lookup array.
- *
- * Return nothing.
- */
-static void
-_scsih_scsi_lookup_set(struct MPT2SAS_ADAPTER *ioc, u16 smid,
-    struct scsi_cmnd *scmd)
-{
-       unsigned long   flags;
-
-       spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
-       ioc->scsi_lookup[smid - 1].scmd = scmd;
-       spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+       return ioc->scsi_lookup[smid - 1].scmd;
 }
 
 /**
@@ -844,9 +797,9 @@ _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd
 
        spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
        smid = 0;
-       for (i = 0; i < ioc->request_depth; i++) {
+       for (i = 0; i < ioc->scsiio_depth; i++) {
                if (ioc->scsi_lookup[i].scmd == scmd) {
-                       smid = i + 1;
+                       smid = ioc->scsi_lookup[i].smid;
                        goto out;
                }
        }
@@ -875,7 +828,7 @@ _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id,
 
        spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
        found = 0;
-       for (i = 0 ; i < ioc->request_depth; i++) {
+       for (i = 0 ; i < ioc->scsiio_depth; i++) {
                if (ioc->scsi_lookup[i].scmd &&
                    (ioc->scsi_lookup[i].scmd->device->id == id &&
                    ioc->scsi_lookup[i].scmd->device->channel == channel)) {
@@ -909,7 +862,7 @@ _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id,
 
        spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
        found = 0;
-       for (i = 0 ; i < ioc->request_depth; i++) {
+       for (i = 0 ; i < ioc->scsiio_depth; i++) {
                if (ioc->scsi_lookup[i].scmd &&
                    (ioc->scsi_lookup[i].scmd->device->id == id &&
                    ioc->scsi_lookup[i].scmd->device->channel == channel &&
@@ -1119,7 +1072,7 @@ _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
 }
 
 /**
- * _scsih_change_queue_depth - changing device queue tag type
+ * _scsih_change_queue_type - changing device queue tag type
  * @sdev: scsi device struct
  * @tag_type: requested tag type
  *
@@ -1691,17 +1644,18 @@ _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
  *
  * The callback handler when using scsih_issue_tm.
  *
- * Return nothing.
+ * Return 1 meaning mf should be freed from _base_interrupt
+ *        0 means the mf is freed from this function.
  */
-static void
+static u8
 _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
 {
        MPI2DefaultReply_t *mpi_reply;
 
        if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED)
-               return;
+               return 1;
        if (ioc->tm_cmds.smid != smid)
-               return;
+               return 1;
        ioc->tm_cmds.status |= MPT2_CMD_COMPLETE;
        mpi_reply =  mpt2sas_base_get_reply_virt_addr(ioc, reply);
        if (mpi_reply) {
@@ -1710,6 +1664,7 @@ _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
        }
        ioc->tm_cmds.status &= ~MPT2_CMD_PENDING;
        complete(&ioc->tm_cmds.done);
+       return 1;
 }
 
 /**
@@ -1822,7 +1777,7 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
                goto issue_host_reset;
        }
 
-       smid = mpt2sas_base_get_smid(ioc, ioc->tm_cb_idx);
+       smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
        if (!smid) {
                printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
                    ioc->name, __func__);
@@ -1830,7 +1785,8 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
        }
 
        dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
-           " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type, smid));
+           " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type,
+           smid_task));
        ioc->tm_cmds.status = MPT2_CMD_PENDING;
        mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
        ioc->tm_cmds.smid = smid;
@@ -2082,7 +2038,7 @@ _scsih_target_reset(struct scsi_cmnd *scmd)
 }
 
 /**
- * _scsih_abort - eh threads main host reset routine
+ * _scsih_host_reset - eh threads main host reset routine
  * @sdev: scsi device struct
  *
  * Returns SUCCESS if command aborted else FAILED
@@ -2360,6 +2316,231 @@ _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
        }
 }
 
+/**
+ * _scsih_tm_tr_send - send task management request
+ * @ioc: per adapter object
+ * @handle: device handle
+ * Context: interrupt time.
+ *
+ * This code is to initiate the device removal handshake protocal
+ * with controller firmware.  This function will issue target reset
+ * using high priority request queue.  It will send a sas iounit
+ * controll request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
+ *
+ * This is designed to send muliple task management request at the same
+ * time to the fifo. If the fifo is full, we will append the request,
+ * and process it in a future completion.
+ */
+static void
+_scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
+{
+       Mpi2SCSITaskManagementRequest_t *mpi_request;
+       struct MPT2SAS_TARGET *sas_target_priv_data;
+       u16 smid;
+       struct _sas_device *sas_device;
+       unsigned long flags;
+       struct _tr_list *delayed_tr;
+
+       if (ioc->shost_recovery) {
+               printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
+                   __func__, ioc->name);
+               return;
+       }
+
+       spin_lock_irqsave(&ioc->sas_device_lock, flags);
+       sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
+       if (!sas_device) {
+               spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+               printk(MPT2SAS_ERR_FMT "%s: failed finding sas_device\n",
+                   ioc->name, __func__);
+               return;
+       }
+       spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+       /* skip is hidden raid component */
+       if (sas_device->hidden_raid_component)
+               return;
+
+       smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
+       if (!smid) {
+               delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
+               if (!delayed_tr)
+                       return;
+               INIT_LIST_HEAD(&delayed_tr->list);
+               delayed_tr->handle = handle;
+               delayed_tr->state = MPT2SAS_REQ_SAS_CNTRL;
+               list_add_tail(&delayed_tr->list,
+                   &ioc->delayed_tr_list);
+               if (sas_device->starget)
+                       dewtprintk(ioc, starget_printk(KERN_INFO,
+                           sas_device->starget, "DELAYED:tr:handle(0x%04x), "
+                           "(open)\n", sas_device->handle));
+               return;
+       }
+
+       if (sas_device->starget && sas_device->starget->hostdata) {
+               sas_target_priv_data = sas_device->starget->hostdata;
+               sas_target_priv_data->tm_busy = 1;
+               dewtprintk(ioc, starget_printk(KERN_INFO, sas_device->starget,
+                   "tr:handle(0x%04x), (open)\n", sas_device->handle));
+       }
+
+       mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
+       memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
+       mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
+       mpi_request->DevHandle = cpu_to_le16(handle);
+       mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
+       sas_device->state |= MPTSAS_STATE_TR_SEND;
+       sas_device->state |= MPT2SAS_REQ_SAS_CNTRL;
+       mpt2sas_base_put_smid_hi_priority(ioc, smid);
+}
+
+
+
+/**
+ * _scsih_sas_control_complete - completion routine
+ * @ioc: per adapter object
+ * @smid: system request message index
+ * @msix_index: MSIX table index supplied by the OS
+ * @reply: reply message frame(lower 32bit addr)
+ * Context: interrupt time.
+ *
+ * This is the sas iounit controll completion routine.
+ * This code is part of the code to initiate the device removal
+ * handshake protocal with controller firmware.
+ *
+ * Return 1 meaning mf should be freed from _base_interrupt
+ *        0 means the mf is freed from this function.
+ */
+static u8
+_scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
+    u8 msix_index, u32 reply)
+{
+       unsigned long flags;
+       u16 handle;
+       struct _sas_device *sas_device;
+       Mpi2SasIoUnitControlReply_t *mpi_reply =
+           mpt2sas_base_get_reply_virt_addr(ioc, reply);
+
+       handle = le16_to_cpu(mpi_reply->DevHandle);
+
+       spin_lock_irqsave(&ioc->sas_device_lock, flags);
+       sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
+       if (!sas_device) {
+               spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+               printk(MPT2SAS_ERR_FMT "%s: failed finding sas_device\n",
+                   ioc->name, __func__);
+               return 1;
+       }
+       sas_device->state |= MPTSAS_STATE_CNTRL_COMPLETE;
+       spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+       if (sas_device->starget)
+               dewtprintk(ioc, starget_printk(KERN_INFO, sas_device->starget,
+                   "sc_complete:handle(0x%04x), "
+                   "ioc_status(0x%04x), loginfo(0x%08x)\n",
+                   handle, le16_to_cpu(mpi_reply->IOCStatus),
+                   le32_to_cpu(mpi_reply->IOCLogInfo)));
+       return 1;
+}
+
+/**
+ * _scsih_tm_tr_complete -
+ * @ioc: per adapter object
+ * @smid: system request message index
+ * @msix_index: MSIX table index supplied by the OS
+ * @reply: reply message frame(lower 32bit addr)
+ * Context: interrupt time.
+ *
+ * This is the target reset completion routine.
+ * This code is part of the code to initiate the device removal
+ * handshake protocal with controller firmware.
+ * It will send a sas iounit controll request (MPI2_SAS_OP_REMOVE_DEVICE)
+ *
+ * Return 1 meaning mf should be freed from _base_interrupt
+ *        0 means the mf is freed from this function.
+ */
+static u8
+_scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
+    u32 reply)
+{
+       unsigned long flags;
+       u16 handle;
+       struct _sas_device *sas_device;
+       Mpi2SCSITaskManagementReply_t *mpi_reply =
+           mpt2sas_base_get_reply_virt_addr(ioc, reply);
+       Mpi2SasIoUnitControlRequest_t *mpi_request;
+       u16 smid_sas_ctrl;
+       struct MPT2SAS_TARGET *sas_target_priv_data;
+       struct _tr_list *delayed_tr;
+       u8 rc;
+
+       handle = le16_to_cpu(mpi_reply->DevHandle);
+       spin_lock_irqsave(&ioc->sas_device_lock, flags);
+       sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
+       if (!sas_device) {
+               spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+               printk(MPT2SAS_ERR_FMT "%s: failed finding sas_device\n",
+                   ioc->name, __func__);
+               return 1;
+       }
+       sas_device->state |= MPTSAS_STATE_TR_COMPLETE;
+       spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+       if (sas_device->starget)
+               dewtprintk(ioc, starget_printk(KERN_INFO, sas_device->starget,
+                   "tr_complete:handle(0x%04x), (%s) ioc_status(0x%04x), "
+                   "loginfo(0x%08x), completed(%d)\n",
+                   sas_device->handle, (sas_device->state &
+                   MPT2SAS_REQ_SAS_CNTRL) ? "open" : "active",
+                   le16_to_cpu(mpi_reply->IOCStatus),
+                   le32_to_cpu(mpi_reply->IOCLogInfo),
+                   le32_to_cpu(mpi_reply->TerminationCount)));
+
+       if (sas_device->starget && sas_device->starget->hostdata) {
+               sas_target_priv_data = sas_device->starget->hostdata;
+               sas_target_priv_data->tm_busy = 0;
+       }
+
+       if (!list_empty(&ioc->delayed_tr_list)) {
+               delayed_tr = list_entry(ioc->delayed_tr_list.next,
+                   struct _tr_list, list);
+               mpt2sas_base_free_smid(ioc, smid);
+               if (delayed_tr->state & MPT2SAS_REQ_SAS_CNTRL)
+                       _scsih_tm_tr_send(ioc, delayed_tr->handle);
+               list_del(&delayed_tr->list);
+               kfree(delayed_tr);
+               rc = 0; /* tells base_interrupt not to free mf */
+       } else
+               rc = 1;
+
+
+       if (!(sas_device->state & MPT2SAS_REQ_SAS_CNTRL))
+               return rc;
+
+       if (ioc->shost_recovery) {
+               printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
+                   __func__, ioc->name);
+               return rc;
+       }
+
+       smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
+       if (!smid_sas_ctrl) {
+               printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
+                   ioc->name, __func__);
+               return rc;
+       }
+
+       mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl);
+       memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
+       mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
+       mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
+       mpi_request->DevHandle = mpi_reply->DevHandle;
+       sas_device->state |= MPTSAS_STATE_CNTRL_SEND;
+       mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl);
+       return rc;
+}
+
 /**
  * _scsih_check_topo_delete_events - sanity check on topo events
  * @ioc: per adapter object
@@ -2382,6 +2563,21 @@ _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
        u16 expander_handle;
        struct _sas_node *sas_expander;
        unsigned long flags;
+       int i, reason_code;
+       u16 handle;
+
+       for (i = 0 ; i < event_data->NumEntries; i++) {
+               if (event_data->PHY[i].PhyStatus &
+                   MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT)
+                       continue;
+               handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
+               if (!handle)
+                       continue;
+               reason_code = event_data->PHY[i].PhyStatus &
+                   MPI2_EVENT_SAS_TOPO_RC_MASK;
+               if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
+                       _scsih_tm_tr_send(ioc, handle);
+       }
 
        expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
        if (expander_handle < ioc->sas_hba.num_phys) {
@@ -2440,8 +2636,8 @@ _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
        u16 smid;
        u16 count = 0;
 
-       for (smid = 1; smid <= ioc->request_depth; smid++) {
-               scmd = _scsih_scsi_lookup_getclear(ioc, smid);
+       for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
+               scmd = _scsih_scsi_lookup_get(ioc, smid);
                if (!scmd)
                        continue;
                count++;
@@ -2623,7 +2819,7 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
        if ((sas_device_priv_data->flags & MPT_DEVICE_TLR_ON))
                mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
 
-       smid = mpt2sas_base_get_smid(ioc, ioc->scsi_io_cb_idx);
+       smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
        if (!smid) {
                printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
                    ioc->name, __func__);
@@ -2665,7 +2861,6 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
                }
        }
 
-       _scsih_scsi_lookup_set(ioc, smid, scmd);
        mpt2sas_base_put_smid_scsi_io(ioc, smid,
            sas_device_priv_data->sas_target->handle);
        return 0;
@@ -2965,11 +3160,12 @@ _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
  * @msix_index: MSIX table index supplied by the OS
  * @reply: reply message frame(lower 32bit addr)
  *
- * Callback handler when using scsih_qcmd.
+ * Callback handler when using _scsih_qcmd.
  *
- * Return nothing.
+ * Return 1 meaning mf should be freed from _base_interrupt
+ *        0 means the mf is freed from this function.
  */
-static void
+static u8
 _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
 {
        Mpi2SCSIIORequest_t *mpi_request;
@@ -2984,9 +3180,9 @@ _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
        u32 response_code;
 
        mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
-       scmd = _scsih_scsi_lookup_getclear(ioc, smid);
+       scmd = _scsih_scsi_lookup_get(ioc, smid);
        if (scmd == NULL)
-               return;
+               return 1;
 
        mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
 
@@ -3142,6 +3338,7 @@ _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
  out:
        scsi_dma_unmap(scmd);
        scmd->scsi_done(scmd);
+       return 1;
 }
 
 /**
@@ -3406,9 +3603,8 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
                }
        }
 
-       sas_address = le64_to_cpu(expander_pg0.SASAddress);
-
        spin_lock_irqsave(&ioc->sas_node_lock, flags);
+       sas_address = le64_to_cpu(expander_pg0.SASAddress);
        sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
            sas_address);
        spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
@@ -3674,6 +3870,12 @@ _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
        if (ioc->remove_host)
                goto out;
 
+       if ((sas_device->state & MPTSAS_STATE_TR_COMPLETE)) {
+               dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "\tskip "
+                  "target_reset handle(0x%04x)\n", ioc->name, handle));
+               goto skip_tr;
+       }
+
        /* Target Reset to flush out all the outstanding IO */
        device_handle = (sas_device->hidden_raid_component) ?
            sas_device->volume_handle : handle;
@@ -3690,6 +3892,13 @@ _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
                if (ioc->shost_recovery)
                        goto out;
        }
+ skip_tr:
+
+       if ((sas_device->state & MPTSAS_STATE_CNTRL_COMPLETE)) {
+               dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "\tskip "
+                  "sas_cntrl handle(0x%04x)\n", ioc->name, handle));
+               goto out;
+       }
 
        /* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */
        dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: handle"
@@ -3858,15 +4067,16 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
                }
                if (ioc->shost_recovery)
                        return;
-               if (event_data->PHY[i].PhyStatus &
-                   MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT)
+               phy_number = event_data->StartPhyNum + i;
+               reason_code = event_data->PHY[i].PhyStatus &
+                   MPI2_EVENT_SAS_TOPO_RC_MASK;
+               if ((event_data->PHY[i].PhyStatus &
+                   MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
+                   MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
                        continue;
                handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
                if (!handle)
                        continue;
-               phy_number = event_data->StartPhyNum + i;
-               reason_code = event_data->PHY[i].PhyStatus &
-                   MPI2_EVENT_SAS_TOPO_RC_MASK;
                link_rate_ = event_data->PHY[i].LinkRate >> 4;
                switch (reason_code) {
                case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
@@ -4081,7 +4291,7 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
        termination_count = 0;
        query_count = 0;
        mpi_reply = ioc->tm_cmds.reply;
-       for (smid = 1; smid <= ioc->request_depth; smid++) {
+       for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
                scmd = _scsih_scsi_lookup_get(ioc, smid);
                if (!scmd)
                        continue;
@@ -4145,8 +4355,8 @@ _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc,
                    (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
                    "start" : "stop");
        if (event_data->DiscoveryStatus)
-               printk(MPT2SAS_DEBUG_FMT ", discovery_status(0x%08x)",
-                   ioc->name, le32_to_cpu(event_data->DiscoveryStatus));
+               printk("discovery_status(0x%08x)",
+                   le32_to_cpu(event_data->DiscoveryStatus));
        printk("\n");
        }
 #endif
@@ -4880,6 +5090,10 @@ _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
                if (sas_device->sas_address == sas_address &&
                    sas_device->slot == slot && sas_device->starget) {
                        sas_device->responding = 1;
+                       sas_device->state = 0;
+                       starget = sas_device->starget;
+                       sas_target_priv_data = starget->hostdata;
+                       sas_target_priv_data->tm_busy = 0;
                        starget_printk(KERN_INFO, sas_device->starget,
                            "handle(0x%04x), sas_addr(0x%016llx), enclosure "
                            "logical id(0x%016llx), slot(%d)\n", handle,
@@ -4892,8 +5106,6 @@ _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
                        printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
                            sas_device->handle);
                        sas_device->handle = handle;
-                       starget = sas_device->starget;
-                       sas_target_priv_data = starget->hostdata;
                        sas_target_priv_data->handle = handle;
                        goto out;
                }
@@ -5286,9 +5498,10 @@ _firmware_event_work(struct work_struct *work)
  * This function merely adds a new work task into ioc->firmware_event_thread.
  * The tasks are worked from _firmware_event_work in user context.
  *
- * Return nothing.
+ * Return 1 meaning mf should be freed from _base_interrupt
+ *        0 means the mf is freed from this function.
  */
-void
+u8
 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
        u32 reply)
 {
@@ -5301,11 +5514,11 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
        spin_lock_irqsave(&ioc->fw_event_lock, flags);
        if (ioc->fw_events_off || ioc->remove_host) {
                spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
-               return;
+               return 1;
        }
        spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
 
-       mpi_reply =  mpt2sas_base_get_reply_virt_addr(ioc, reply);
+       mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
        event = le16_to_cpu(mpi_reply->Event);
 
        switch (event) {
@@ -5319,7 +5532,7 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
                if (baen_data->Primitive !=
                    MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT ||
                    ioc->broadcast_aen_busy)
-                       return;
+                       return 1;
                ioc->broadcast_aen_busy = 1;
                break;
        }
@@ -5341,14 +5554,14 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
                break;
 
        default: /* ignore the rest */
-               return;
+               return 1;
        }
 
        fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
        if (!fw_event) {
                printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
                    ioc->name, __FILE__, __LINE__, __func__);
-               return;
+               return 1;
        }
        fw_event->event_data =
            kzalloc(mpi_reply->EventDataLength*4, GFP_ATOMIC);
@@ -5356,7 +5569,7 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
                printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
                    ioc->name, __FILE__, __LINE__, __func__);
                kfree(fw_event);
-               return;
+               return 1;
        }
 
        memcpy(fw_event->event_data, mpi_reply->EventData,
@@ -5366,6 +5579,7 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
        fw_event->VP_ID = mpi_reply->VP_ID;
        fw_event->event = event;
        _scsih_fw_event_add(ioc, fw_event);
+       return 1;
 }
 
 /* shost template */
@@ -5625,7 +5839,7 @@ _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc)
 }
 
 /**
- * _scsih_probe_sas - reporting raid volumes to sas transport
+ * _scsih_probe_sas - reporting sas devices to sas transport
  * @ioc: per adapter object
  *
  * Called during initial loading of the driver.
@@ -5722,6 +5936,8 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        ioc->base_cb_idx = base_cb_idx;
        ioc->transport_cb_idx = transport_cb_idx;
        ioc->config_cb_idx = config_cb_idx;
+       ioc->tm_tr_cb_idx = tm_tr_cb_idx;
+       ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
        ioc->logging_level = logging_level;
        /* misc semaphores and spin locks */
        spin_lock_init(&ioc->ioc_reset_in_progress_lock);
@@ -5737,6 +5953,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        INIT_LIST_HEAD(&ioc->fw_event_list);
        INIT_LIST_HEAD(&ioc->raid_device_list);
        INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
+       INIT_LIST_HEAD(&ioc->delayed_tr_list);
 
        /* init shost parameters */
        shost->max_cmd_len = 16;
@@ -5753,6 +5970,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
        scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
            | SHOST_DIF_TYPE3_PROTECTION);
+       scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
 
        /* event thread */
        snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
@@ -5902,6 +6120,11 @@ _scsih_init(void)
        /* ctl module callback handler */
        ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done);
 
+       tm_tr_cb_idx = mpt2sas_base_register_callback_handler(
+           _scsih_tm_tr_complete);
+       tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler(
+           _scsih_sas_control_complete);
+
        mpt2sas_ctl_init();
 
        error = pci_register_driver(&scsih_driver);
@@ -5932,6 +6155,9 @@ _scsih_exit(void)
        mpt2sas_base_release_callback_handler(config_cb_idx);
        mpt2sas_base_release_callback_handler(ctl_cb_idx);
 
+       mpt2sas_base_release_callback_handler(tm_tr_cb_idx);
+       mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx);
+
        mpt2sas_ctl_exit();
 }
 
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