X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fscsi%2Fscsi_device.h;h=6467f78b191fdf3334d714341c01c78044871175;hb=558a171d778293176bf70bc34e18a92faef5bfa1;hp=ab7acbe809602b94e693da7fac9bc12a8ad47a89;hpb=bd45ac0c5daae35e7c71138172e63df5cf644cf6;p=linux-2.6-omap-h63xx.git

diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index ab7acbe8096..6467f78b191 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -134,6 +134,7 @@ struct scsi_device {
 	unsigned no_start_on_add:1;	/* do not issue start on add */
 	unsigned allow_restart:1; /* issue START_UNIT in error handler */
 	unsigned manage_start_stop:1;	/* Let HLD (sd) manage start/stop */
+	unsigned start_stop_pwr_cond:1;	/* Set power cond. in START_STOP_UNIT */
 	unsigned no_uld_attach:1; /* disable connecting to upper level drivers */
 	unsigned select_no_atn:1;
 	unsigned fix_capacity:1;	/* READ_CAPACITY is too high by 1 */
@@ -156,20 +157,40 @@ struct scsi_device {
 
 	int timeout;
 
-	struct device		sdev_gendev;
-	struct class_device	sdev_classdev;
+	struct device		sdev_gendev,
+				sdev_dev;
 
 	struct execute_work	ew; /* used to get process context on put */
 
+	struct scsi_dh_data	*scsi_dh_data;
 	enum scsi_device_state sdev_state;
 	unsigned long		sdev_data[0];
 } __attribute__((aligned(sizeof(unsigned long))));
+
+struct scsi_device_handler {
+	/* Used by the infrastructure */
+	struct list_head list; /* list of scsi_device_handlers */
+	struct notifier_block nb;
+
+	/* Filled by the hardware handler */
+	struct module *module;
+	const char *name;
+	int (*check_sense)(struct scsi_device *, struct scsi_sense_hdr *);
+	int (*activate)(struct scsi_device *);
+	int (*prep_fn)(struct scsi_device *, struct request *);
+};
+
+struct scsi_dh_data {
+	struct scsi_device_handler *scsi_dh;
+	char buf[0];
+};
+
 #define	to_scsi_device(d)	\
 	container_of(d, struct scsi_device, sdev_gendev)
 #define	class_to_sdev(d)	\
-	container_of(d, struct scsi_device, sdev_classdev)
+	container_of(d, struct scsi_device, sdev_dev)
 #define transport_class_to_sdev(class_dev) \
-	to_scsi_device(class_dev->dev)
+	to_scsi_device(class_dev->parent)
 
 #define sdev_printk(prefix, sdev, fmt, a...)	\
 	dev_printk(prefix, &(sdev)->sdev_gendev, fmt, ##a)
@@ -181,7 +202,8 @@ struct scsi_device {
 	sdev_printk(prefix, (scmd)->device, fmt, ##a)
 
 enum scsi_target_state {
-	STARGET_RUNNING = 1,
+	STARGET_CREATED = 1,
+	STARGET_RUNNING,
 	STARGET_DEL,
 };
 
@@ -220,7 +242,7 @@ static inline struct scsi_target *scsi_target(struct scsi_device *sdev)
 	return to_scsi_target(sdev->sdev_gendev.parent);
 }
 #define transport_class_to_starget(class_dev) \
-	to_scsi_target(class_dev->dev)
+	to_scsi_target(class_dev->parent)
 
 #define starget_printk(prefix, starget, fmt, a...)	\
 	dev_printk(prefix, &(starget)->dev, fmt, ##a)
@@ -229,7 +251,9 @@ extern struct scsi_device *__scsi_add_device(struct Scsi_Host *,
 		uint, uint, uint, void *hostdata);
 extern int scsi_add_device(struct Scsi_Host *host, uint channel,
 			   uint target, uint lun);
+extern int scsi_register_device_handler(struct scsi_device_handler *scsi_dh);
 extern void scsi_remove_device(struct scsi_device *);
+extern int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh);
 
 extern int scsi_device_get(struct scsi_device *);
 extern void scsi_device_put(struct scsi_device *);