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uas: Improve error reporting

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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
This commit is contained in:
Hans de Goede 2013-11-07 08:52:42 +01:00 committed by Sarah Sharp
parent 673331c87c
commit 876285cc9c
1 changed files with 46 additions and 14 deletions
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60
drivers/usb/storage/uas.c
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@ -411,6 +411,12 @@ static void uas_data_cmplt(struct urb *urb)
if (sdb == NULL) {
WARN_ON_ONCE(1);
} else if (urb->status) {
if (urb->status != -ECONNRESET) {
uas_log_cmd_state(cmnd, __func__);
scmd_printk(KERN_ERR, cmnd,
"data cmplt err %d stream %d\n",
urb->status, urb->stream_id);
}
/* error: no data transfered */
sdb->resid = sdb->length;
} else {
@ -420,6 +426,17 @@ static void uas_data_cmplt(struct urb *urb)
spin_unlock_irqrestore(&devinfo->lock, flags);
}
static void uas_cmd_cmplt(struct urb *urb)
{
struct scsi_cmnd *cmnd = urb->context;
if (urb->status) {
uas_log_cmd_state(cmnd, __func__);
scmd_printk(KERN_ERR, cmnd, "cmd cmplt err %d\n", urb->status);
}
usb_free_urb(urb);
}
static struct urb *uas_alloc_data_urb(struct uas_dev_info *devinfo, gfp_t gfp,
unsigned int pipe, u16 stream_id,
struct scsi_cmnd *cmnd,
@ -497,7 +514,7 @@ static struct urb *uas_alloc_cmd_urb(struct uas_dev_info *devinfo, gfp_t gfp,
memcpy(iu->cdb, cmnd->cmnd, cmnd->cmd_len);
usb_fill_bulk_urb(urb, udev, devinfo->cmd_pipe, iu, sizeof(*iu) + len,
usb_free_urb, NULL);
uas_cmd_cmplt, cmnd);
urb->transfer_flags |= URB_FREE_BUFFER;
out:
return urb;
@ -537,13 +554,15 @@ static int uas_submit_task_urb(struct scsi_cmnd *cmnd, gfp_t gfp,
}
usb_fill_bulk_urb(urb, udev, devinfo->cmd_pipe, iu, sizeof(*iu),
usb_free_urb, NULL);
uas_cmd_cmplt, cmnd);
urb->transfer_flags |= URB_FREE_BUFFER;
usb_anchor_urb(urb, &devinfo->cmd_urbs);
err = usb_submit_urb(urb, gfp);
if (err) {
usb_unanchor_urb(urb);
uas_log_cmd_state(cmnd, __func__);
scmd_printk(KERN_ERR, cmnd, "task submission err %d\n", err);
goto err;
}
@ -560,20 +579,25 @@ static int uas_submit_task_urb(struct scsi_cmnd *cmnd, gfp_t gfp,
* daft to me.
*/
static struct urb *uas_submit_sense_urb(struct Scsi_Host *shost,
static struct urb *uas_submit_sense_urb(struct scsi_cmnd *cmnd,
gfp_t gfp, unsigned int stream)
{
struct Scsi_Host *shost = cmnd->device->host;
struct uas_dev_info *devinfo = (struct uas_dev_info *)shost->hostdata;
struct urb *urb;
int err;
urb = uas_alloc_sense_urb(devinfo, gfp, shost, stream);
if (!urb)
return NULL;
usb_anchor_urb(urb, &devinfo->sense_urbs);
if (usb_submit_urb(urb, gfp)) {
err = usb_submit_urb(urb, gfp);
if (err) {
usb_unanchor_urb(urb);
uas_log_cmd_state(cmnd, __func__);
shost_printk(KERN_INFO, shost,
"sense urb submission failure\n");
"sense urb submission error %d stream %d\n",
err, stream);
usb_free_urb(urb);
return NULL;
}
@ -585,11 +609,11 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
{
struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;
struct urb *urb;
int err;
WARN_ON_ONCE(!spin_is_locked(&devinfo->lock));
if (cmdinfo->state & SUBMIT_STATUS_URB) {
urb = uas_submit_sense_urb(cmnd->device->host, gfp,
cmdinfo->stream);
urb = uas_submit_sense_urb(cmnd, gfp, cmdinfo->stream);
if (!urb)
return SCSI_MLQUEUE_DEVICE_BUSY;
cmdinfo->state &= ~SUBMIT_STATUS_URB;
@ -606,10 +630,13 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
if (cmdinfo->state & SUBMIT_DATA_IN_URB) {
usb_anchor_urb(cmdinfo->data_in_urb, &devinfo->data_urbs);
if (usb_submit_urb(cmdinfo->data_in_urb, gfp)) {
err = usb_submit_urb(cmdinfo->data_in_urb, gfp);
if (err) {
usb_unanchor_urb(cmdinfo->data_in_urb);
uas_log_cmd_state(cmnd, __func__);
scmd_printk(KERN_INFO, cmnd,
"data in urb submission failure\n");
"data in urb submission error %d stream %d\n",
err, cmdinfo->data_in_urb->stream_id);
return SCSI_MLQUEUE_DEVICE_BUSY;
}
cmdinfo->state &= ~SUBMIT_DATA_IN_URB;
@ -627,10 +654,13 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
if (cmdinfo->state & SUBMIT_DATA_OUT_URB) {
usb_anchor_urb(cmdinfo->data_out_urb, &devinfo->data_urbs);
if (usb_submit_urb(cmdinfo->data_out_urb, gfp)) {
err = usb_submit_urb(cmdinfo->data_out_urb, gfp);
if (err) {
usb_unanchor_urb(cmdinfo->data_out_urb);
uas_log_cmd_state(cmnd, __func__);
scmd_printk(KERN_INFO, cmnd,
"data out urb submission failure\n");
"data out urb submission error %d stream %d\n",
err, cmdinfo->data_out_urb->stream_id);
return SCSI_MLQUEUE_DEVICE_BUSY;
}
cmdinfo->state &= ~SUBMIT_DATA_OUT_URB;
@ -646,10 +676,12 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
if (cmdinfo->state & SUBMIT_CMD_URB) {
usb_anchor_urb(cmdinfo->cmd_urb, &devinfo->cmd_urbs);
if (usb_submit_urb(cmdinfo->cmd_urb, gfp)) {
err = usb_submit_urb(cmdinfo->cmd_urb, gfp);
if (err) {
usb_unanchor_urb(cmdinfo->cmd_urb);
uas_log_cmd_state(cmnd, __func__);
scmd_printk(KERN_INFO, cmnd,
"cmd urb submission failure\n");
"cmd urb submission error %d\n", err);
return SCSI_MLQUEUE_DEVICE_BUSY;
}
cmdinfo->cmd_urb = NULL;
@ -760,7 +792,7 @@ static int uas_eh_task_mgmt(struct scsi_cmnd *cmnd,
devinfo->running_task = 1;
memset(&devinfo->response, 0, sizeof(devinfo->response));
sense_urb = uas_submit_sense_urb(shost, GFP_NOIO,
sense_urb = uas_submit_sense_urb(cmnd, GFP_NOIO,
devinfo->use_streams ? tag : 0);
if (!sense_urb) {
shost_printk(KERN_INFO, shost,