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authorPierre Ossman <drzeus@drzeus.cx>2006-12-23 20:03:02 +0100
committerPierre Ossman <drzeus@drzeus.cx>2007-05-01 13:04:16 +0200
commit98ac2162699f7e9880683cb954891817f20b607c (patch)
tree27452d428e16edfe6d13d71f297adf5376d07bde /drivers/mmc/queue.h
parent29041dbe199b0dff392bf1b9d634357da0b3208f (diff)
mmc: Move queue functions to mmc_block
The mmc block queue functions are tailored for the mmc_block driver, so move those functions into that module. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc/queue.h')
-rw-r--r--drivers/mmc/queue.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/mmc/queue.h b/drivers/mmc/queue.h
new file mode 100644
index 00000000000..c9f139e764f
--- /dev/null
+++ b/drivers/mmc/queue.h
@@ -0,0 +1,32 @@
+#ifndef MMC_QUEUE_H
+#define MMC_QUEUE_H
+
+struct request;
+struct task_struct;
+
+struct mmc_queue {
+ struct mmc_card *card;
+ struct task_struct *thread;
+ struct semaphore thread_sem;
+ unsigned int flags;
+ struct request *req;
+ int (*prep_fn)(struct mmc_queue *, struct request *);
+ int (*issue_fn)(struct mmc_queue *, struct request *);
+ void *data;
+ struct request_queue *queue;
+ struct scatterlist *sg;
+};
+
+struct mmc_io_request {
+ struct request *rq;
+ int num;
+ struct mmc_command selcmd; /* mmc_queue private */
+ struct mmc_command cmd[4]; /* max 4 commands */
+};
+
+extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *);
+extern void mmc_cleanup_queue(struct mmc_queue *);
+extern void mmc_queue_suspend(struct mmc_queue *);
+extern void mmc_queue_resume(struct mmc_queue *);
+
+#endif