From: Jeff Skirvin <jeffrey.d.skirvin@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
drivers/scsi/isci/remote_device.c | 25 ++++++++++++-------------
1 files changed, 12 insertions(+), 13 deletions(-)
diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c
index 4f76dcd..f40d429 100644
--- a/drivers/scsi/isci/remote_device.c
+++ b/drivers/scsi/isci/remote_device.c
@@ -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)
--
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