X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fbsg.h;h=ecb4730d0868504d1ed9d0cb58a3522c38073695;hb=d54b3538b0bfb31351d02d1669d4a978d2abfc5f;hp=e8406c55c6d31885a3adddfba69a40378c961c19;hpb=36d99df2fb474222ab47fbe8ae7385661033223b;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/bsg.h b/include/linux/bsg.h
index e8406c55c6d..ecb4730d086 100644
--- a/include/linux/bsg.h
+++ b/include/linux/bsg.h
@@ -1,12 +1,22 @@
 #ifndef BSG_H
 #define BSG_H
 
+#include <linux/types.h>
+
 #define BSG_PROTOCOL_SCSI		0
 
 #define BSG_SUB_PROTOCOL_SCSI_CMD	0
 #define BSG_SUB_PROTOCOL_SCSI_TMF	1
 #define BSG_SUB_PROTOCOL_SCSI_TRANSPORT	2
 
+/*
+ * For flags member below
+ * sg.h sg_io_hdr also has bits defined for it's flags member. However
+ * none of these bits are implemented/used by bsg. The bits below are
+ * allocated to not conflict with sg.h ones anyway.
+ */
+#define BSG_FLAG_Q_AT_TAIL 0x10 /* default, == 0 at this bit, is Q_AT_HEAD */
+
 struct sg_io_v4 {
 	__s32 guard;		/* [i] 'Q' to differentiate from v3 */
 	__u32 protocol;		/* [i] 0 -> SCSI , .... */
@@ -56,19 +66,25 @@ struct sg_io_v4 {
 #if defined(CONFIG_BLK_DEV_BSG)
 struct bsg_class_device {
 	struct device *class_dev;
-	struct device *dev;
+	struct device *parent;
 	int minor;
 	struct request_queue *queue;
+	struct kref ref;
+	void (*release)(struct device *);
 };
 
-extern int bsg_register_queue(struct request_queue *, struct device *, const char *);
+extern int bsg_register_queue(struct request_queue *q,
+			      struct device *parent, const char *name,
+			      void (*release)(struct device *));
 extern void bsg_unregister_queue(struct request_queue *);
 #else
-static inline int bsg_register_queue(struct request_queue * rq, struct device *dev, const char *name)
+static inline int bsg_register_queue(struct request_queue *q,
+				     struct device *parent, const char *name,
+				     void (*release)(struct device *))
 {
 	return 0;
 }
-static inline void bsg_unregister_queue(struct request_queue *rq)
+static inline void bsg_unregister_queue(struct request_queue *q)
 {
 }
 #endif