Commit d66c7a0f authored by Christoph Hellwig's avatar Christoph Hellwig Committed by James Bottomley
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[SCSI] fusion: setting timeouts in eh threads appropiatley for fc/sas/spi



On Mon, Jan 16, 2006 at 06:53:13PM -0700, Moore, Eric wrote:
> The task managment request timeout in the eh threads was set
> for U320 timing, which is between 2-5 seconds.
> This is too small for FC and SAS.
> According to the firmware engineers, Fibre needs to be 40 seconds
> and SAS needs to be 10 seconds.

The timeout selection should probably be done in a little helper instead
of duplicated in a few places.  Updated patch below.

Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 432b4c8b
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+17 −3
Original line number Diff line number Diff line
@@ -1718,6 +1718,20 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun
	return retval;
}

static int
mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
{
	switch (ioc->bus_type) {
	case FC:
		return 40;
	case SAS:
		return 10;
	case SPI:
	default:
		return 2;
	}
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
@@ -1789,7 +1803,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
	vdev = SCpnt->device->hostdata;
	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
		vdev->bus_id, vdev->target_id, vdev->lun,
		ctx2abort, 2 /* 2 second timeout */);
		ctx2abort, mptscsih_get_tm_timeout(ioc));

	printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n",
		hd->ioc->name,
@@ -1840,7 +1854,7 @@ mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
	vdev = SCpnt->device->hostdata;
	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
		vdev->bus_id, vdev->target_id,
		0, 0, 5 /* 5 second timeout */);
		0, 0, mptscsih_get_tm_timeout(hd->ioc));

	printk (KERN_WARNING MYNAM ": %s: target reset: %s (sc=%p)\n",
		hd->ioc->name,
@@ -1890,7 +1904,7 @@ mptscsih_bus_reset(struct scsi_cmnd * SCpnt)

	vdev = SCpnt->device->hostdata;
	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
		vdev->bus_id, 0, 0, 0, 5 /* 5 second timeout */);
		vdev->bus_id, 0, 0, 0, mptscsih_get_tm_timeout(hd->ioc));

	printk (KERN_WARNING MYNAM ": %s: bus reset: %s (sc=%p)\n",
		hd->ioc->name,