diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/mmc/card/queue.h | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/mmc/card/queue.h')
| -rw-r--r-- | kernel/drivers/mmc/card/queue.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/kernel/drivers/mmc/card/queue.h b/kernel/drivers/mmc/card/queue.h new file mode 100644 index 000000000..99e6521e6 --- /dev/null +++ b/kernel/drivers/mmc/card/queue.h @@ -0,0 +1,78 @@ +#ifndef MMC_QUEUE_H +#define MMC_QUEUE_H + +#define MMC_REQ_SPECIAL_MASK (REQ_DISCARD | REQ_FLUSH) + +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; +}; + +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; + u32 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) + + int (*issue_fn)(struct mmc_queue *, struct request *); + 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 |