kernel-fxtec-pro1x/include/linux/bsg.h
Will McVicker 7b8719ed1c ANDROID: GKI: block: resolve ABI diff when CONFIG_BLK_DEV_BSG is unset
If CONFIG_BLK_DEV_BSG is disabled on the vendor side, then struct
request_queue will have an ABI diff. Remove the #ifdef in the struct so
that vendors can choose whether or not to use the config.

'struct request_queue at blkdev.h:434:1' changed:¬
  type size changed from 17600 to 17920 (in bits)¬
  2 data member insertions:¬
    'bsg_job_fn* request_queue::bsg_job_fn', at offset 13952 (in bits) at blkdev.h:650:1¬
    'bsg_class_device request_queue::bsg_dev', at offset 14016 (in bits) at blkdev.h:651:1¬

Signed-off-by: Will McVicker <willmcvicker@google.com>
Bug: 152917514
Test: compile, verify ABI diff
Change-Id: Iec2e3460b717b667fcc0409cbc4ec985cfe0f69c
2020-04-01 16:26:56 -07:00

39 lines
1,012 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_BSG_H
#define _LINUX_BSG_H
#include <uapi/linux/bsg.h>
struct request;
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);
};
struct bsg_class_device {
struct device *class_dev;
int minor;
struct request_queue *queue;
const struct bsg_ops *ops;
};
#ifdef CONFIG_BLK_DEV_BSG
int bsg_register_queue(struct request_queue *q, struct device *parent,
const char *name, const struct bsg_ops *ops);
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_scsi_register_queue(struct request_queue *q,
struct device *parent)
{
return 0;
}
static inline void bsg_unregister_queue(struct request_queue *q)
{
}
#endif /* CONFIG_BLK_DEV_BSG */
#endif /* _LINUX_BSG_H */