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isci: Remote device must be suspended for NCQ cleanup. 

When the remote device enters the NCQ error state, the device must
be suspended so that the I/O terminations can take place.

Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Jeff Skirvin 2012-03-08 22:41:52 -08:00 committed by Dan Williams
parent 5b6bf225e7
commit 23ec2aa947
1 changed files with 12 additions and 13 deletions
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25
drivers/scsi/isci/remote_device.c
View File

@ -72,6 +72,14 @@ const char *dev_state_name(enum sci_remote_device_states state)
}
#undef C
static enum sci_status sci_remote_device_suspend(struct isci_remote_device *idev)
{
return sci_remote_node_context_suspend(&idev->rnc,
SCI_SOFTWARE_SUSPENSION,
SCI_SOFTWARE_SUSPEND_EXPECTED_EVENT,
NULL, NULL);
}
/**
* isci_remote_device_not_ready() - This function is called by the ihost when
* the remote device is not ready. We mark the isci device as ready (not
@ -96,6 +104,9 @@ static void isci_remote_device_not_ready(struct isci_host *ihost,
case SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED:
set_bit(IDEV_IO_NCQERROR, &idev->flags);
/* Suspend the remote device so the I/O can be terminated. */
sci_remote_device_suspend(idev);
/* Kill all outstanding requests for the device. */
list_for_each_entry(ireq, &idev->reqs_in_process, dev_node) {
@ -103,9 +114,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost,
"%s: isci_device = %p request = %p\n",
__func__, idev, ireq);
sci_controller_terminate_request(ihost,
idev,
ireq);
sci_controller_terminate_request(ihost, idev, ireq);
}
/* Fall through into the default case... */
default:
@ -133,16 +142,6 @@ static void isci_remote_device_ready(struct isci_host *ihost, struct isci_remote
wake_up(&ihost->eventq);
}
static enum sci_status sci_remote_device_suspend(
struct isci_remote_device *idev)
{
return sci_remote_node_context_suspend(
&idev->rnc,
SCI_SOFTWARE_SUSPENSION,
SCI_SOFTWARE_SUSPEND_EXPECTED_EVENT,
NULL, NULL);
}
static int isci_remote_device_suspendcheck(struct isci_remote_device *idev)
{
return test_bit(IDEV_TXRX_SUSPENDED, &idev->flags)