[PATCH] 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 h...@suse.de
Reviewed-by: Ewan D. Milne emi...@redhat.com
---
drivers/scsi/scsi_error.c | 4
drivers/scsi/scsi_lib.c| 4
include/scsi/scsi_device.h | 3 ++-
3 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 569957d..7fe9245 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -422,6 +422,10 @@ 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 b4ef3ff..9a63dc3 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 b6b1dc4..fe89d7c 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
};
--
1.8.5.2
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Re: [PATCH] scsi: Add ALUA state change UA handling
On 07/06/2015 04:41 AM, Hannes Reinecke wrote: 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 h...@suse.de Reviewed-by: Ewan D. Milne emi...@redhat.com Reviewed-by: Bart Van Assche bart.vanass...@sandisk.com -- To unsubscribe from this list: send the line unsubscribe linux-scsi in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] scsi: Add ALUA state change UA handling
Looking at this closely, I didn't get the SDEV_UA text
right in my previous review comment, and I think that
additional enum values really ought to be added to the
end, after existing ones, and code that handles them
should follow suit. So, here's an adjusted patch...
-Ewan
[PATCH] 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.
Reviewed-by: Ewan D. Milne emi...@redhat.com
Signed-off-by: Hannes Reinecke h...@suse.de
---
drivers/scsi/scsi_error.c |4
drivers/scsi/scsi_lib.c|4
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 4cdaffc..bf7065c 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -420,6 +420,10 @@ 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,
+ Asymmetic 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 6d5c0b8..62259eb 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2693,6 +2693,9 @@ 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;
@@ -2796,6 +2799,7 @@ 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 2e0281e..0c82aaa 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
};
--
1.7.1
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[PATCH] 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 h...@suse.de
---
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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