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-rw-r--r--include/linux/bsg.h35
1 files changed, 22 insertions, 13 deletions
diff --git a/include/linux/bsg.h b/include/linux/bsg.h
index 2a202e41a3af..0c7dd9ceb139 100644
--- a/include/linux/bsg.h
+++ b/include/linux/bsg.h
@@ -1,34 +1,43 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef BSG_H
-#define BSG_H
+#ifndef _LINUX_BSG_H
+#define _LINUX_BSG_H
#include <uapi/linux/bsg.h>
+struct request;
+
+#ifdef CONFIG_BLK_DEV_BSG
+struct bsg_ops {
+ int (*check_proto)(struct sg_io_v4 *hdr);
+ int (*fill_hdr)(struct request *rq, struct sg_io_v4 *hdr,
+ fmode_t mode);
+ int (*complete_rq)(struct request *rq, struct sg_io_v4 *hdr);
+ void (*free_rq)(struct request *rq);
+};
-#if defined(CONFIG_BLK_DEV_BSG)
struct bsg_class_device {
struct device *class_dev;
struct device *parent;
int minor;
struct request_queue *queue;
struct kref ref;
+ const struct bsg_ops *ops;
void (*release)(struct device *);
};
-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 *);
+int bsg_register_queue(struct request_queue *q, struct device *parent,
+ const char *name, const struct bsg_ops *ops,
+ void (*release)(struct device *));
+int bsg_scsi_register_queue(struct request_queue *q, struct device *parent);
+void bsg_unregister_queue(struct request_queue *q);
#else
-static inline int bsg_register_queue(struct request_queue *q,
- struct device *parent, const char *name,
- void (*release)(struct device *))
+static inline int bsg_scsi_register_queue(struct request_queue *q,
+ struct device *parent)
{
return 0;
}
static inline void bsg_unregister_queue(struct request_queue *q)
{
}
-#endif
-
-#endif
+#endif /* CONFIG_BLK_DEV_BSG */
+#endif /* _LINUX_BSG_H */