X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fscsi%2Fscsi_device.h;h=66e9058357e02d85d8617b9cd58edf893fff0b30;hb=aafab10d3f6b68150ec9fe75b1462764fd45b728;hp=2f3c5b8b1d6a89e406fc5de0724e381a8300d135;hpb=02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1;p=linux-2.6

diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 2f3c5b8b1d..66e9058357 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -46,6 +46,22 @@ enum scsi_device_state {
 				 * to the scsi lld. */
 };
 
+enum scsi_device_event {
+	SDEV_EVT_MEDIA_CHANGE	= 1,	/* media has changed */
+
+	SDEV_EVT_LAST		= SDEV_EVT_MEDIA_CHANGE,
+	SDEV_EVT_MAXBITS	= SDEV_EVT_LAST + 1
+};
+
+struct scsi_event {
+	enum scsi_device_event	evt_type;
+	struct list_head	node;
+
+	/* put union of data structures, for non-simple event types,
+	 * here
+	 */
+};
+
 struct scsi_device {
 	struct Scsi_Host *host;
 	struct request_queue *request_queue;
@@ -127,6 +143,10 @@ struct scsi_device {
 	unsigned guess_capacity:1;	/* READ_CAPACITY might be too high by 1 */
 	unsigned retry_hwerror:1;	/* Retry HARDWARE_ERROR */
 
+	DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
+	struct list_head event_list;	/* asserted events */
+	struct work_struct event_work;
+
 	unsigned int device_blocked;	/* Device returned QUEUE_FULL. */
 
 	unsigned int max_device_blocked; /* what device_blocked counts down from  */
@@ -209,7 +229,6 @@ extern struct scsi_device *__scsi_add_device(struct Scsi_Host *,
 extern int scsi_add_device(struct Scsi_Host *host, uint channel,
 			   uint target, uint lun);
 extern void scsi_remove_device(struct scsi_device *);
-extern int scsi_device_cancel(struct scsi_device *, int);
 
 extern int scsi_device_get(struct scsi_device *);
 extern void scsi_device_put(struct scsi_device *);
@@ -276,6 +295,11 @@ extern int scsi_test_unit_ready(struct scsi_device *sdev, int timeout,
 				int retries);
 extern int scsi_device_set_state(struct scsi_device *sdev,
 				 enum scsi_device_state state);
+extern struct scsi_event *sdev_evt_alloc(enum scsi_device_event evt_type,
+					  gfp_t gfpflags);
+extern void sdev_evt_send(struct scsi_device *sdev, struct scsi_event *evt);
+extern void sdev_evt_send_simple(struct scsi_device *sdev,
+			  enum scsi_device_event evt_type, gfp_t gfpflags);
 extern int scsi_device_quiesce(struct scsi_device *sdev);
 extern void scsi_device_resume(struct scsi_device *sdev);
 extern void scsi_target_quiesce(struct scsi_target *);
@@ -287,6 +311,7 @@ extern void scsi_target_block(struct device *);
 extern void scsi_target_unblock(struct device *);
 extern void scsi_remove_target(struct device *);
 extern void int_to_scsilun(unsigned int, struct scsi_lun *);
+extern int scsilun_to_int(struct scsi_lun *);
 extern const char *scsi_device_state_name(enum scsi_device_state);
 extern int scsi_is_sdev_device(const struct device *);
 extern int scsi_is_target_device(const struct device *);