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@xxxxxxx>
---
drivers/scsi/scsi_error.c | 4 ++++
drivers/scsi/scsi_lib.c | 4 ++++
include/scsi/scsi_device.h | 1 +
3 files changed, 9 insertions(+)
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index c95a4e9..ad32bc0 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,
+ "ALUA state has 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 b1a2631..2428d96 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2698,6 +2698,9 @@ static void scsi_evt_emit(struct scsi_device *sdev, struct scsi_event *evt)
case SDEV_EVT_CAPACITY_CHANGE_REPORTED:
envp[idx++] = "SDEV_UA=CAPACITY_DATA_HAS_CHANGED";
break;
+ case SDEV_EVT_ALUA_STATE_CHANGE_REPORTED:
+ envp[idx++] = "SDEV_UA=ALUA_STATE_HAS_CHANGED";
+ break;
case SDEV_EVT_SOFT_THRESHOLD_REACHED_REPORTED:
envp[idx++] = "SDEV_UA=THIN_PROVISIONING_SOFT_THRESHOLD_REACHED";
break;
@@ -2807,6 +2810,7 @@ struct scsi_event *sdev_evt_alloc(enum scsi_device_event evt_type,
case SDEV_EVT_MEDIA_CHANGE:
case SDEV_EVT_INQUIRY_CHANGE_REPORTED:
case SDEV_EVT_CAPACITY_CHANGE_REPORTED:
+ case SDEV_EVT_ALUA_STATE_CHANGE_REPORTED:
case SDEV_EVT_SOFT_THRESHOLD_REACHED_REPORTED:
case SDEV_EVT_MODE_PARAMETER_CHANGE_REPORTED:
case SDEV_EVT_LUN_CHANGE_REPORTED:
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index a4c9336..5d7553f 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -53,6 +53,7 @@ enum scsi_device_state {
enum scsi_device_event {
SDEV_EVT_MEDIA_CHANGE = 1, /* media has changed */
SDEV_EVT_INQUIRY_CHANGE_REPORTED, /* 3F 03 UA reported */
+ SDEV_EVT_ALUA_STATE_CHANGE_REPORTED, /* 2A 06 UA reported */
SDEV_EVT_CAPACITY_CHANGE_REPORTED, /* 2A 09 UA reported */
SDEV_EVT_SOFT_THRESHOLD_REACHED_REPORTED, /* 38 07 UA reported */
SDEV_EVT_MODE_PARAMETER_CHANGE_REPORTED, /* 2A 01 UA reported */
--
1.8.5.2
--
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