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Diffstat (limited to 'include/scsi/scsi_device.h')
-rw-r--r--include/scsi/scsi_device.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 9c540f5468eb..68dd49947d04 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -155,7 +155,7 @@ struct scsi_device {
blist_flags_t sdev_bflags; /* black/white flags as also found in
* scsi_devinfo.[hc]. For now used only to
- * pass settings from slave_alloc to scsi
+ * pass settings from sdev_init to scsi
* core. */
unsigned int eh_timeout; /* Error handling timeout */
@@ -247,6 +247,9 @@ struct scsi_device {
unsigned int queue_stopped; /* request queue is quiesced */
bool offline_already; /* Device offline message logged */
+ unsigned int ua_new_media_ctr; /* Counter for New Media UNIT ATTENTIONs */
+ unsigned int ua_por_ctr; /* Counter for Power On / Reset UAs */
+
atomic_t disk_events_disable_depth; /* disable depth for disk events */
DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
@@ -357,7 +360,7 @@ struct scsi_target {
atomic_t target_blocked;
/*
- * LLDs should set this in the slave_alloc host template callout.
+ * LLDs should set this in the sdev_init host template callout.
* If set to zero then there is not limit.
*/
unsigned int can_queue;
@@ -684,6 +687,12 @@ static inline int scsi_device_busy(struct scsi_device *sdev)
return sbitmap_weight(&sdev->budget_map);
}
+/* Macros to access the UNIT ATTENTION counters */
+#define scsi_get_ua_new_media_ctr(sdev) \
+ ((const unsigned int)(sdev->ua_new_media_ctr))
+#define scsi_get_ua_por_ctr(sdev) \
+ ((const unsigned int)(sdev->ua_por_ctr))
+
#define MODULE_ALIAS_SCSI_DEVICE(type) \
MODULE_ALIAS("scsi:t-" __stringify(type) "*")
#define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x"