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https://github.com/followmsi/android_kernel_google_msm.git
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5173cb5b85
Expose the following packed commands tests: - Test the write packed commands list preparation - Simulate a returned error code - Send an invalid packed command to the card (cherry picked from commit 09b010d749e40e86b42e62406f8886956e03f3bd) Change-Id: I563a17b8dc313e65c20ed24d542d29ab7b432741 Signed-off-by: Lee Susman <lsusman@codeaurora.org> Signed-off-by: Maya Erez <merez@codeaurora.org> Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> (cherry picked from commit 1dc976ea347887060c162a80b3180a0981b5d1bd)
79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
#ifndef MMC_QUEUE_H
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#define MMC_QUEUE_H
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struct request;
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struct task_struct;
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struct mmc_blk_request {
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struct mmc_request mrq;
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struct mmc_command sbc;
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struct mmc_command cmd;
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struct mmc_command stop;
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struct mmc_data data;
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};
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enum mmc_blk_status {
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MMC_BLK_SUCCESS = 0,
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MMC_BLK_PARTIAL,
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MMC_BLK_CMD_ERR,
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MMC_BLK_RETRY,
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MMC_BLK_ABORT,
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MMC_BLK_DATA_ERR,
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MMC_BLK_ECC_ERR,
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MMC_BLK_NOMEDIUM,
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};
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enum mmc_packed_cmd {
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MMC_PACKED_NONE = 0,
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MMC_PACKED_WRITE,
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};
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struct mmc_queue_req {
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struct request *req;
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struct mmc_blk_request brq;
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struct scatterlist *sg;
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char *bounce_buf;
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struct scatterlist *bounce_sg;
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unsigned int bounce_sg_len;
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struct mmc_async_req mmc_active;
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struct list_head packed_list;
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u32 packed_cmd_hdr[128];
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unsigned int packed_blocks;
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enum mmc_packed_cmd packed_cmd;
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int packed_retries;
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int packed_fail_idx;
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u8 packed_num;
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};
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struct mmc_queue {
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struct mmc_card *card;
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struct task_struct *thread;
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struct semaphore thread_sem;
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unsigned int flags;
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int (*issue_fn)(struct mmc_queue *, struct request *);
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void *data;
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struct request_queue *queue;
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struct mmc_queue_req mqrq[2];
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struct mmc_queue_req *mqrq_cur;
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struct mmc_queue_req *mqrq_prev;
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bool wr_packing_enabled;
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int num_of_potential_packed_wr_reqs;
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int num_wr_reqs_to_start_packing;
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int (*err_check_fn) (struct mmc_card *, struct mmc_async_req *);
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void (*packed_test_fn) (struct request_queue *, struct mmc_queue_req *);
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};
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extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *,
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const char *);
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extern void mmc_cleanup_queue(struct mmc_queue *);
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extern void mmc_queue_suspend(struct mmc_queue *);
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extern void mmc_queue_resume(struct mmc_queue *);
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extern unsigned int mmc_queue_map_sg(struct mmc_queue *,
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struct mmc_queue_req *);
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extern void mmc_queue_bounce_pre(struct mmc_queue_req *);
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extern void mmc_queue_bounce_post(struct mmc_queue_req *);
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extern void print_mmc_packing_stats(struct mmc_card *card);
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#endif
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