linux/drivers/mmc/card/queue.h
Jiri Slaby 3f2d266435 mmc: core: Annotate cmd_hdr as __le32
Commit f68381a70b (mmc: block: fix packed command header endianness)
correctly fixed endianness handling of packed_cmd_hdr in
mmc_blk_packed_hdr_wrq_prep.

But now, sparse complains about incorrect types:
drivers/mmc/card/block.c:1613:27: sparse: incorrect type in assignment (different base types)
drivers/mmc/card/block.c:1613:27:    expected unsigned int [unsigned] [usertype] <noident>
drivers/mmc/card/block.c:1613:27:    got restricted __le32 [usertype] <noident>
...

So annotate cmd_hdr properly using __le32 to make everyone happy.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Fixes: f68381a70b (mmc: block: fix packed command header endianness)
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-10-10 14:14:49 +02:00

84 lines
2.0 KiB
C

#ifndef MMC_QUEUE_H
#define MMC_QUEUE_H
static inline bool mmc_req_is_special(struct request *req)
{
return req &&
(req_op(req) == REQ_OP_FLUSH ||
req_op(req) == REQ_OP_DISCARD ||
req_op(req) == REQ_OP_SECURE_ERASE);
}
struct request;
struct task_struct;
struct mmc_blk_request {
struct mmc_request mrq;
struct mmc_command sbc;
struct mmc_command cmd;
struct mmc_command stop;
struct mmc_data data;
int retune_retry_done;
};
enum mmc_packed_type {
MMC_PACKED_NONE = 0,
MMC_PACKED_WRITE,
};
#define mmc_packed_cmd(type) ((type) != MMC_PACKED_NONE)
#define mmc_packed_wr(type) ((type) == MMC_PACKED_WRITE)
struct mmc_packed {
struct list_head list;
__le32 cmd_hdr[1024];
unsigned int blocks;
u8 nr_entries;
u8 retries;
s16 idx_failure;
};
struct mmc_queue_req {
struct request *req;
struct mmc_blk_request brq;
struct scatterlist *sg;
char *bounce_buf;
struct scatterlist *bounce_sg;
unsigned int bounce_sg_len;
struct mmc_async_req mmc_active;
enum mmc_packed_type cmd_type;
struct mmc_packed *packed;
};
struct mmc_queue {
struct mmc_card *card;
struct task_struct *thread;
struct semaphore thread_sem;
unsigned int flags;
#define MMC_QUEUE_SUSPENDED (1 << 0)
#define MMC_QUEUE_NEW_REQUEST (1 << 1)
void *data;
struct request_queue *queue;
struct mmc_queue_req mqrq[2];
struct mmc_queue_req *mqrq_cur;
struct mmc_queue_req *mqrq_prev;
};
extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *,
const char *);
extern void mmc_cleanup_queue(struct mmc_queue *);
extern void mmc_queue_suspend(struct mmc_queue *);
extern void mmc_queue_resume(struct mmc_queue *);
extern unsigned int mmc_queue_map_sg(struct mmc_queue *,
struct mmc_queue_req *);
extern void mmc_queue_bounce_pre(struct mmc_queue_req *);
extern void mmc_queue_bounce_post(struct mmc_queue_req *);
extern int mmc_packed_init(struct mmc_queue *, struct mmc_card *);
extern void mmc_packed_clean(struct mmc_queue *);
extern int mmc_access_rpmb(struct mmc_queue *);
#endif