summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorpbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162>2006-08-07 02:38:06 +0000
committerpbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162>2006-08-07 02:38:06 +0000
commitce1a14dc0d94cf85393356f56f197c5e8b6a7f60 (patch)
treeb7c395f3494275bdb05f8c7ce54740325d4ac9ae /block_int.h
parentremoved duplicated line (diff)
downloadqemu-kvm-ce1a14dc0d94cf85393356f56f197c5e8b6a7f60.tar.gz
qemu-kvm-ce1a14dc0d94cf85393356f56f197c5e8b6a7f60.tar.bz2
qemu-kvm-ce1a14dc0d94cf85393356f56f197c5e8b6a7f60.zip
Dynamically allocate AIO Completion Blocks.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2098 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'block_int.h')
-rw-r--r--block_int.h27
1 files changed, 16 insertions, 11 deletions
diff --git a/block_int.h b/block_int.h
index 26cc4ffba..8fd241f2a 100644
--- a/block_int.h
+++ b/block_int.h
@@ -42,13 +42,14 @@ struct BlockDriver {
int (*bdrv_set_key)(BlockDriverState *bs, const char *key);
int (*bdrv_make_empty)(BlockDriverState *bs);
/* aio */
- int (*bdrv_aio_new)(BlockDriverAIOCB *acb);
- int (*bdrv_aio_read)(BlockDriverAIOCB *acb, int64_t sector_num,
- uint8_t *buf, int nb_sectors);
- int (*bdrv_aio_write)(BlockDriverAIOCB *acb, int64_t sector_num,
- const uint8_t *buf, int nb_sectors);
+ BlockDriverAIOCB *(*bdrv_aio_read)(BlockDriverState *bs,
+ int64_t sector_num, uint8_t *buf, int nb_sectors,
+ BlockDriverCompletionFunc *cb, void *opaque);
+ BlockDriverAIOCB *(*bdrv_aio_write)(BlockDriverState *bs,
+ int64_t sector_num, const uint8_t *buf, int nb_sectors,
+ BlockDriverCompletionFunc *cb, void *opaque);
void (*bdrv_aio_cancel)(BlockDriverAIOCB *acb);
- void (*bdrv_aio_delete)(BlockDriverAIOCB *acb);
+ int aiocb_size;
const char *protocol_name;
int (*bdrv_pread)(BlockDriverState *bs, int64_t offset,
@@ -69,6 +70,7 @@ struct BlockDriver {
QEMUSnapshotInfo **psn_info);
int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi);
+ BlockDriverAIOCB *free_aiocb;
struct BlockDriver *next;
};
@@ -96,9 +98,9 @@ struct BlockDriverState {
int is_temporary;
BlockDriverState *backing_hd;
- /* sync read/write emulation */
+ /* async read/write emulation */
- BlockDriverAIOCB *sync_aiocb;
+ void *sync_aiocb;
/* NOTE: the following infos are only hints for real hardware
drivers. They are not used by the block driver */
@@ -111,11 +113,14 @@ struct BlockDriverState {
struct BlockDriverAIOCB {
BlockDriverState *bs;
BlockDriverCompletionFunc *cb;
- void *cb_opaque;
-
- void *opaque; /* driver opaque */
+ void *opaque;
+ BlockDriverAIOCB *next;
};
void get_tmp_filename(char *filename, int size);
+void *qemu_aio_get(BlockDriverState *bs, BlockDriverCompletionFunc *cb,
+ void *opaque);
+void qemu_aio_release(void *p);
+
#endif /* BLOCK_INT_H */