diff options
| author | Hannes Reinecke <hare@suse.de> | 2015-07-06 13:41:53 +0200 |
|---|---|---|
| committer | James Bottomley <JBottomley@Odin.com> | 2015-08-26 16:19:57 +0200 |
| commit | 14c3e677df9fa2e4bf87b9de683452fc140934b2 (patch) | |
| tree | 7e7f5392ec6e0f53b46027d5af52c046863c2a8a | |
| parent | mptfusion: prevent some memory corruption (diff) | |
| download | linux-14c3e677df9fa2e4bf87b9de683452fc140934b2.tar.xz linux-14c3e677df9fa2e4bf87b9de683452fc140934b2.zip | |
scsi: Add ALUA state change UA handling
Log the ALUA state change unit attention correctly with
the message log and emit an event to allow user-space
tools to react to it.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
| -rw-r--r-- | drivers/scsi/scsi_error.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 4 | ||||
| -rw-r--r-- | include/scsi/scsi_device.h | 3 |
3 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index cfadccef045c..d7d28061b31d 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -421,6 +421,10 @@ static void scsi_report_sense(struct scsi_device *sdev, evt_type = SDEV_EVT_MODE_PARAMETER_CHANGE_REPORTED; sdev_printk(KERN_WARNING, sdev, "Mode parameters changed"); + } else if (sshdr->asc == 0x2a && sshdr->ascq == 0x06) { + evt_type = SDEV_EVT_ALUA_STATE_CHANGE_REPORTED; + sdev_printk(KERN_WARNING, sdev, + "Asymmetric access state changed"); } else if (sshdr->asc == 0x2a && sshdr->ascq == 0x09) { evt_type = SDEV_EVT_CAPACITY_CHANGE_REPORTED; sdev_printk(KERN_WARNING, sdev, diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index dffa91c67f5b..882864f5cbae 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -2712,6 +2712,9 @@ static void scsi_evt_emit(struct scsi_device *sdev, struct scsi_event *evt) case SDEV_EVT_LUN_CHANGE_REPORTED: envp[idx++] = "SDEV_UA=REPORTED_LUNS_DATA_HAS_CHANGED"; break; + case SDEV_EVT_ALUA_STATE_CHANGE_REPORTED: + envp[idx++] = "SDEV_UA=ASYMMETRIC_ACCESS_STATE_CHANGED"; + break; default: /* do nothing */ break; @@ -2815,6 +2818,7 @@ struct scsi_event *sdev_evt_alloc(enum scsi_device_event evt_type, case SDEV_EVT_SOFT_THRESHOLD_REACHED_REPORTED: case SDEV_EVT_MODE_PARAMETER_CHANGE_REPORTED: case SDEV_EVT_LUN_CHANGE_REPORTED: + case SDEV_EVT_ALUA_STATE_CHANGE_REPORTED: default: /* do nothing */ break; diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index ae84b2214d40..50c2a363bc8f 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -57,9 +57,10 @@ enum scsi_device_event { SDEV_EVT_SOFT_THRESHOLD_REACHED_REPORTED, /* 38 07 UA reported */ SDEV_EVT_MODE_PARAMETER_CHANGE_REPORTED, /* 2A 01 UA reported */ SDEV_EVT_LUN_CHANGE_REPORTED, /* 3F 0E UA reported */ + SDEV_EVT_ALUA_STATE_CHANGE_REPORTED, /* 2A 06 UA reported */ SDEV_EVT_FIRST = SDEV_EVT_MEDIA_CHANGE, - SDEV_EVT_LAST = SDEV_EVT_LUN_CHANGE_REPORTED, + SDEV_EVT_LAST = SDEV_EVT_ALUA_STATE_CHANGE_REPORTED, SDEV_EVT_MAXBITS = SDEV_EVT_LAST + 1 }; |