[SCSI] fusion: target reset when drive is being removed
The issuing of the target reset
used in device hot removal case so the
firmware queue is flushed out off outstanding
commands.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 8e77837..190bd94 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -324,6 +324,7 @@
struct sas_rphy *rphy;
struct mptsas_portinfo *p;
int i;
+ VirtDevice *vdev;
/*
* Handle hotplug removal case.
@@ -347,8 +348,29 @@
out:
mutex_unlock(&hd->ioc->sas_topology_mutex);
/*
- * TODO: Issue target reset to flush firmware outstanding commands.
+ * Issue target reset to flush firmware outstanding commands.
*/
+ vdev = sdev->hostdata;
+ if (vdev->configured_lun){
+ if (mptscsih_TMHandler(hd,
+ MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
+ vdev->bus_id,
+ vdev->target_id,
+ 0, 0, 5 /* 5 second timeout */)
+ < 0){
+
+ /* The TM request failed!
+ * Fatal error case.
+ */
+ printk(MYIOC_s_WARN_FMT
+ "Error processing TaskMgmt id=%d TARGET_RESET\n",
+ hd->ioc->name,
+ vdev->target_id);
+
+ hd->tmPending = 0;
+ hd->tmState = TM_STATE_NONE;
+ }
+ }
mptscsih_slave_destroy(sdev);
}