Implement tick interrupt disable bits

[qemu.git] / block.h

diff --git a/block.h b/block.h
index fa741b55a57aecdf9e1e0fab0dc6ecc83323e64c..c3314a1dbe32bb4fd7d26c7948471eb3cc418879 100644 (file)
--- a/block.h
+++ b/block.h
@@ -1,6 +1,8 @@
 #ifndef BLOCK_H
 #define BLOCK_H
 
+#include "qemu-aio.h"
+
 /* block.c */
 typedef struct BlockDriver BlockDriver;
 
@@ -45,12 +47,14 @@ typedef struct QEMUSnapshotInfo {
                                      use a disk image format on top of
                                      it (default for
                                      bdrv_file_open()) */
-#define BDRV_O_DIRECT      0x0020
+#define BDRV_O_NOCACHE     0x0020 /* do not use the host page cache */
+#define BDRV_O_CACHE_WB    0x0040 /* use write-back caching */
+#define BDRV_O_CACHE_DEF   0x0080 /* use default caching */
+
+#define BDRV_O_CACHE_MASK  (BDRV_O_NOCACHE | BDRV_O_CACHE_WB | BDRV_O_CACHE_DEF)
 
-#ifndef QEMU_IMG
 void bdrv_info(void);
 void bdrv_info_stats(void);
-#endif
 
 void bdrv_init(void);
 BlockDriver *bdrv_find_format(const char *format_name);
@@ -75,8 +79,8 @@ int bdrv_pwrite(BlockDriverState *bs, int64_t offset,
 int bdrv_truncate(BlockDriverState *bs, int64_t offset);
 int64_t bdrv_getlength(BlockDriverState *bs);
 void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr);
+void bdrv_guess_geometry(BlockDriverState *bs, int *pcyls, int *pheads, int *psecs);
 int bdrv_commit(BlockDriverState *bs);
-void bdrv_set_boot_sector(BlockDriverState *bs, const uint8_t *data, int size);
 /* async block I/O */
 typedef struct BlockDriverAIOCB BlockDriverAIOCB;
 typedef void BlockDriverCompletionFunc(void *opaque, int ret);
@@ -89,17 +93,12 @@ BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num,
                                  BlockDriverCompletionFunc *cb, void *opaque);
 void bdrv_aio_cancel(BlockDriverAIOCB *acb);
 
-void qemu_aio_init(void);
-void qemu_aio_poll(void);
-void qemu_aio_flush(void);
-void qemu_aio_wait_start(void);
-void qemu_aio_wait(void);
-void qemu_aio_wait_end(void);
-
 int qemu_key_check(BlockDriverState *bs, const char *name);
 
 /* Ensure contents are flushed to disk.  */
 void bdrv_flush(BlockDriverState *bs);
+void bdrv_flush_all(void);
+
 int bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors,
        int *pnum);