Remove the virtio-{blk, console}-pci-0-10 device types

[qemu.git] / block_int.h

diff --git a/block_int.h b/block_int.h
index 44eb280684d8474e57df81afbbda2da8d5b88604..8898d91f4206c43ba03e378432eb51dd8a0c984f 100644 (file)
--- a/block_int.h
+++ b/block_int.h
@@ -25,43 +25,51 @@
 #define BLOCK_INT_H
 
 #include "block.h"
+#include "qemu-option.h"
 
 #define BLOCK_FLAG_ENCRYPT     1
 #define BLOCK_FLAG_COMPRESS    2
 #define BLOCK_FLAG_COMPAT6     4
 
+#define BLOCK_OPT_SIZE          "size"
+#define BLOCK_OPT_ENCRYPT       "encryption"
+#define BLOCK_OPT_COMPAT6       "compat6"
+#define BLOCK_OPT_BACKING_FILE  "backing_file"
+#define BLOCK_OPT_BACKING_FMT   "backing_fmt"
+#define BLOCK_OPT_CLUSTER_SIZE  "cluster_size"
+
+typedef struct AIOPool {
+    void (*cancel)(BlockDriverAIOCB *acb);
+    int aiocb_size;
+    BlockDriverAIOCB *free_aiocb;
+} AIOPool;
+
 struct BlockDriver {
     const char *format_name;
     int instance_size;
     int (*bdrv_probe)(const uint8_t *buf, int buf_size, const char *filename);
+    int (*bdrv_probe_device)(const char *filename);
     int (*bdrv_open)(BlockDriverState *bs, const char *filename, int flags);
     int (*bdrv_read)(BlockDriverState *bs, int64_t sector_num,
                      uint8_t *buf, int nb_sectors);
     int (*bdrv_write)(BlockDriverState *bs, int64_t sector_num,
                       const uint8_t *buf, int nb_sectors);
     void (*bdrv_close)(BlockDriverState *bs);
-    int (*bdrv_create)(const char *filename, int64_t total_sectors,
-                       const char *backing_file, int flags);
+    int (*bdrv_create)(const char *filename, QEMUOptionParameter *options);
     void (*bdrv_flush)(BlockDriverState *bs);
     int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num,
                              int nb_sectors, int *pnum);
     int (*bdrv_set_key)(BlockDriverState *bs, const char *key);
     int (*bdrv_make_empty)(BlockDriverState *bs);
     /* aio */
-    BlockDriverAIOCB *(*bdrv_aio_read)(BlockDriverState *bs,
-        int64_t sector_num, uint8_t *buf, int nb_sectors,
+    BlockDriverAIOCB *(*bdrv_aio_readv)(BlockDriverState *bs,
+        int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
         BlockDriverCompletionFunc *cb, void *opaque);
-    BlockDriverAIOCB *(*bdrv_aio_write)(BlockDriverState *bs,
-        int64_t sector_num, const uint8_t *buf, int nb_sectors,
+    BlockDriverAIOCB *(*bdrv_aio_writev)(BlockDriverState *bs,
+        int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
         BlockDriverCompletionFunc *cb, void *opaque);
-    void (*bdrv_aio_cancel)(BlockDriverAIOCB *acb);
-    int aiocb_size;
 
     const char *protocol_name;
-    int (*bdrv_pread)(BlockDriverState *bs, int64_t offset,
-                      uint8_t *buf, int count);
-    int (*bdrv_pwrite)(BlockDriverState *bs, int64_t offset,
-                       const uint8_t *buf, int count);
     int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset);
     int64_t (*bdrv_getlength)(BlockDriverState *bs);
     int (*bdrv_write_compressed)(BlockDriverState *bs, int64_t sector_num,
@@ -76,6 +84,11 @@ struct BlockDriver {
                               QEMUSnapshotInfo **psn_info);
     int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi);
 
+    int (*bdrv_save_vmstate)(BlockDriverState *bs, const uint8_t *buf,
+                             int64_t pos, int size);
+    int (*bdrv_load_vmstate)(BlockDriverState *bs, uint8_t *buf,
+                             int64_t pos, int size);
+
     /* removable device specific */
     int (*bdrv_is_inserted)(BlockDriverState *bs);
     int (*bdrv_media_changed)(BlockDriverState *bs);
@@ -84,8 +97,17 @@ struct BlockDriver {
 
     /* to control generic scsi devices */
     int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf);
+    BlockDriverAIOCB *(*bdrv_aio_ioctl)(BlockDriverState *bs,
+        unsigned long int req, void *buf,
+        BlockDriverCompletionFunc *cb, void *opaque);
+
+    /* List of options for creating images, terminated by name == NULL */
+    QEMUOptionParameter *create_options;
+
+
+    /* Returns number of errors in image, -errno for internal errors */
+    int (*bdrv_check)(BlockDriverState* bs);
 
-    BlockDriverAIOCB *free_aiocb;
     struct BlockDriver *next;
 };
 
@@ -108,6 +130,7 @@ struct BlockDriverState {
     char filename[1024];
     char backing_file[1024]; /* if non zero, the image is a diff of
                                 this file image */
+    char backing_format[16]; /* if non-zero and backing_file exists */
     int is_temporary;
     int media_changed;
 
@@ -125,6 +148,9 @@ struct BlockDriverState {
     /* Whether the disk can expand beyond total_sectors */
     int growable;
 
+    /* the memory alignment required for the buffers handled by this driver */
+    int buffer_alignment;
+
     /* NOTE: the following infos are only hints for real hardware
        drivers. They are not used by the block driver */
     int cyls, heads, secs, translation;
@@ -135,6 +161,7 @@ struct BlockDriverState {
 };
 
 struct BlockDriverAIOCB {
+    AIOPool *pool;
     BlockDriverState *bs;
     BlockDriverCompletionFunc *cb;
     void *opaque;
@@ -143,10 +170,16 @@ struct BlockDriverAIOCB {
 
 void get_tmp_filename(char *filename, int size);
 
-void *qemu_aio_get(BlockDriverState *bs, BlockDriverCompletionFunc *cb,
-                   void *opaque);
+void *qemu_aio_get(AIOPool *pool, BlockDriverState *bs,
+                   BlockDriverCompletionFunc *cb, void *opaque);
 void qemu_aio_release(void *p);
 
+void *qemu_blockalign(BlockDriverState *bs, size_t size);
+
 extern BlockDriverState *bdrv_first;
 
+#ifdef _WIN32
+int is_windows_drive(const char *filename);
+#endif
+
 #endif /* BLOCK_INT_H */