block: latency accounting

[qemu.git] / block_int.h

diff --git a/block_int.h b/block_int.h
index efb68038c4c6cc79b85c055cdd92cd4d8fd7f962..8a72b804b2d93d536c14699a6f1c0ef69f92430a 100644 (file)
--- a/block_int.h
+++ b/block_int.h
@@ -27,6 +27,8 @@
 #include "block.h"
 #include "qemu-option.h"
 #include "qemu-queue.h"
+#include "qemu-coroutine.h"
+#include "qemu-timer.h"
 
 #define BLOCK_FLAG_ENCRYPT     1
 #define BLOCK_FLAG_COMPAT6     4
@@ -77,6 +79,11 @@ struct BlockDriver {
     int (*bdrv_discard)(BlockDriverState *bs, int64_t sector_num,
                         int nb_sectors);
 
+    int coroutine_fn (*bdrv_co_readv)(BlockDriverState *bs,
+        int64_t sector_num, int nb_sectors, QEMUIOVector *qiov);
+    int coroutine_fn (*bdrv_co_writev)(BlockDriverState *bs,
+        int64_t sector_num, int nb_sectors, QEMUIOVector *qiov);
+
     int (*bdrv_aio_multiwrite)(BlockDriverState *bs, BlockRequest *reqs,
         int num_reqs);
     int (*bdrv_merge_requests)(BlockDriverState *bs, BlockRequest* a,
@@ -112,8 +119,8 @@ struct BlockDriver {
     /* removable device specific */
     int (*bdrv_is_inserted)(BlockDriverState *bs);
     int (*bdrv_media_changed)(BlockDriverState *bs);
-    int (*bdrv_eject)(BlockDriverState *bs, int eject_flag);
-    int (*bdrv_set_locked)(BlockDriverState *bs, int locked);
+    void (*bdrv_eject)(BlockDriverState *bs, int eject_flag);
+    void (*bdrv_set_locked)(BlockDriverState *bs, int locked);
 
     /* to control generic scsi devices */
     int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf);
@@ -178,10 +185,9 @@ struct BlockDriverState {
     void *sync_aiocb;
 
     /* I/O stats (display with "info blockstats"). */
-    uint64_t rd_bytes;
-    uint64_t wr_bytes;
-    uint64_t rd_ops;
-    uint64_t wr_ops;
+    uint64_t nr_bytes[BDRV_MAX_IOTYPE];
+    uint64_t nr_ops[BDRV_MAX_IOTYPE];
+    uint64_t total_time_ns[BDRV_MAX_IOTYPE];
     uint64_t wr_highest_sector;
 
     /* Whether the disk can expand beyond total_sectors */