Real SCSI device passthrough (v4), by Laurent Vivier.

[mirror_qemu.git] / block_int.h

diff --git a/block_int.h b/block_int.h
index 2c5f168f6e7eb0be981f7633691440701cf03647..137000e14075fb2b1b2d55739a8a83a27c510e22 100644 (file)
--- a/block_int.h
+++ b/block_int.h
@@ -82,6 +82,9 @@ struct BlockDriver {
     int (*bdrv_eject)(BlockDriverState *bs, int eject_flag);
     int (*bdrv_set_locked)(BlockDriverState *bs, int locked);
 
+    /* to control generic scsi devices */
+    int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf);
+
     BlockDriverAIOCB *free_aiocb;
     struct BlockDriver *next;
 };
@@ -93,6 +96,7 @@ struct BlockDriverState {
     int removable; /* if true, the media can be removed */
     int locked;    /* if true, the media cannot temporarily be ejected */
     int encrypted; /* if true, the media is encrypted */
+    int sg;        /* if true, the device is a /dev/sg* */
     /* event callback when inserting/removing */
     void (*change_cb)(void *opaque);
     void *change_opaque;
@@ -114,6 +118,12 @@ 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;
+
     /* NOTE: the following infos are only hints for real hardware
        drivers. They are not used by the block driver */
     int cyls, heads, secs, translation;