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[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>
This commit is contained in:
Moore, Eric 2006-01-25 18:05:12 -07:00 committed by James Bottomley
parent c73787eecd
commit 7d3eecf7b2
1 changed files with 23 additions and 1 deletions
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24
drivers/message/fusion/mptsas.c
View File

@ -324,6 +324,7 @@ mptsas_slave_destroy(struct scsi_device *sdev)
struct sas_rphy *rphy;
struct mptsas_portinfo *p;
int i;
VirtDevice *vdev;
/*
* Handle hotplug removal case.
@ -347,8 +348,29 @@ mptsas_slave_destroy(struct scsi_device *sdev)
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);
}