summaryrefslogtreecommitdiffstats
path: root/include/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_device.h27
-rw-r--r--include/scsi/scsi_dh.h29
2 files changed, 21 insertions, 35 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 50c2a363bc8f..fe89d7cd67b9 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -196,34 +196,13 @@ struct scsi_device {
struct execute_work ew; /* used to get process context on put */
struct work_struct requeue_work;
- struct scsi_dh_data *scsi_dh_data;
+ struct scsi_device_handler *handler;
+ void *handler_data;
+
enum scsi_device_state sdev_state;
unsigned long sdev_data[0];
} __attribute__((aligned(sizeof(unsigned long))));
-typedef void (*activate_complete)(void *, int);
-struct scsi_device_handler {
- /* Used by the infrastructure */
- struct list_head list; /* list of scsi_device_handlers */
-
- /* Filled by the hardware handler */
- struct module *module;
- const char *name;
- int (*check_sense)(struct scsi_device *, struct scsi_sense_hdr *);
- struct scsi_dh_data *(*attach)(struct scsi_device *);
- void (*detach)(struct scsi_device *);
- int (*activate)(struct scsi_device *, activate_complete, void *);
- int (*prep_fn)(struct scsi_device *, struct request *);
- int (*set_params)(struct scsi_device *, const char *);
- bool (*match)(struct scsi_device *);
-};
-
-struct scsi_dh_data {
- struct scsi_device_handler *scsi_dh;
- struct scsi_device *sdev;
- struct kref kref;
-};
-
#define to_scsi_device(d) \
container_of(d, struct scsi_device, sdev_gendev)
#define class_to_sdev(d) \
diff --git a/include/scsi/scsi_dh.h b/include/scsi/scsi_dh.h
index 620c723ee8ed..85d731746834 100644
--- a/include/scsi/scsi_dh.h
+++ b/include/scsi/scsi_dh.h
@@ -55,11 +55,26 @@ enum {
SCSI_DH_NOSYS,
SCSI_DH_DRIVER_MAX,
};
-#if defined(CONFIG_SCSI_DH) || defined(CONFIG_SCSI_DH_MODULE)
+
+typedef void (*activate_complete)(void *, int);
+struct scsi_device_handler {
+ /* Used by the infrastructure */
+ struct list_head list; /* list of scsi_device_handlers */
+
+ /* Filled by the hardware handler */
+ struct module *module;
+ const char *name;
+ int (*check_sense)(struct scsi_device *, struct scsi_sense_hdr *);
+ int (*attach)(struct scsi_device *);
+ void (*detach)(struct scsi_device *);
+ int (*activate)(struct scsi_device *, activate_complete, void *);
+ int (*prep_fn)(struct scsi_device *, struct request *);
+ int (*set_params)(struct scsi_device *, const char *);
+};
+
+#ifdef CONFIG_SCSI_DH
extern int scsi_dh_activate(struct request_queue *, activate_complete, void *);
-extern int scsi_dh_handler_exist(const char *);
extern int scsi_dh_attach(struct request_queue *, const char *);
-extern void scsi_dh_detach(struct request_queue *);
extern const char *scsi_dh_attached_handler_name(struct request_queue *, gfp_t);
extern int scsi_dh_set_params(struct request_queue *, const char *);
#else
@@ -69,18 +84,10 @@ static inline int scsi_dh_activate(struct request_queue *req,
fn(data, 0);
return 0;
}
-static inline int scsi_dh_handler_exist(const char *name)
-{
- return 0;
-}
static inline int scsi_dh_attach(struct request_queue *req, const char *name)
{
return SCSI_DH_NOSYS;
}
-static inline void scsi_dh_detach(struct request_queue *q)
-{
- return;
-}
static inline const char *scsi_dh_attached_handler_name(struct request_queue *q,
gfp_t gfp)
{