Split block API from vl.h.
Remove QEMU_TOOL. Replace with QEMU_IMG and NEED_CPU_H.
Avoid linking qemu-img against whole system emulatior.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3578 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/block.h b/block.h
new file mode 100644
index 0000000..42baf11
--- /dev/null
+++ b/block.h
@@ -0,0 +1,157 @@
+#ifndef BLOCK_H
+#define BLOCK_H
+
+/* block.c */
+typedef struct BlockDriverState BlockDriverState;
+typedef struct BlockDriver BlockDriver;
+
+extern BlockDriver bdrv_raw;
+extern BlockDriver bdrv_host_device;
+extern BlockDriver bdrv_cow;
+extern BlockDriver bdrv_qcow;
+extern BlockDriver bdrv_vmdk;
+extern BlockDriver bdrv_cloop;
+extern BlockDriver bdrv_dmg;
+extern BlockDriver bdrv_bochs;
+extern BlockDriver bdrv_vpc;
+extern BlockDriver bdrv_vvfat;
+extern BlockDriver bdrv_qcow2;
+extern BlockDriver bdrv_parallels;
+
+typedef struct BlockDriverInfo {
+ /* in bytes, 0 if irrelevant */
+ int cluster_size;
+ /* offset at which the VM state can be saved (0 if not possible) */
+ int64_t vm_state_offset;
+} BlockDriverInfo;
+
+typedef struct QEMUSnapshotInfo {
+ char id_str[128]; /* unique snapshot id */
+ /* the following fields are informative. They are not needed for
+ the consistency of the snapshot */
+ char name[256]; /* user choosen name */
+ uint32_t vm_state_size; /* VM state info size */
+ uint32_t date_sec; /* UTC date of the snapshot */
+ uint32_t date_nsec;
+ uint64_t vm_clock_nsec; /* VM clock relative to boot */
+} QEMUSnapshotInfo;
+
+#define BDRV_O_RDONLY 0x0000
+#define BDRV_O_RDWR 0x0002
+#define BDRV_O_ACCESS 0x0003
+#define BDRV_O_CREAT 0x0004 /* create an empty file */
+#define BDRV_O_SNAPSHOT 0x0008 /* open the file read only and save writes in a snapshot */
+#define BDRV_O_FILE 0x0010 /* open as a raw file (do not try to
+ use a disk image format on top of
+ it (default for
+ bdrv_file_open()) */
+
+#ifndef QEMU_IMG
+void bdrv_info(void);
+#endif
+
+void bdrv_init(void);
+BlockDriver *bdrv_find_format(const char *format_name);
+int bdrv_create(BlockDriver *drv,
+ const char *filename, int64_t size_in_sectors,
+ const char *backing_file, int flags);
+BlockDriverState *bdrv_new(const char *device_name);
+void bdrv_delete(BlockDriverState *bs);
+int bdrv_file_open(BlockDriverState **pbs, const char *filename, int flags);
+int bdrv_open(BlockDriverState *bs, const char *filename, int flags);
+int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,
+ BlockDriver *drv);
+void bdrv_close(BlockDriverState *bs);
+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);
+int bdrv_pread(BlockDriverState *bs, int64_t offset,
+ void *buf, int count);
+int bdrv_pwrite(BlockDriverState *bs, int64_t offset,
+ const void *buf, int count);
+int bdrv_truncate(BlockDriverState *bs, int64_t offset);
+int64_t bdrv_getlength(BlockDriverState *bs);
+void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr);
+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);
+
+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 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);
+
+#define BDRV_TYPE_HD 0
+#define BDRV_TYPE_CDROM 1
+#define BDRV_TYPE_FLOPPY 2
+#define BIOS_ATA_TRANSLATION_AUTO 0
+#define BIOS_ATA_TRANSLATION_NONE 1
+#define BIOS_ATA_TRANSLATION_LBA 2
+#define BIOS_ATA_TRANSLATION_LARGE 3
+#define BIOS_ATA_TRANSLATION_RECHS 4
+
+void bdrv_set_geometry_hint(BlockDriverState *bs,
+ int cyls, int heads, int secs);
+void bdrv_set_type_hint(BlockDriverState *bs, int type);
+void bdrv_set_translation_hint(BlockDriverState *bs, int translation);
+void bdrv_get_geometry_hint(BlockDriverState *bs,
+ int *pcyls, int *pheads, int *psecs);
+int bdrv_get_type_hint(BlockDriverState *bs);
+int bdrv_get_translation_hint(BlockDriverState *bs);
+int bdrv_is_removable(BlockDriverState *bs);
+int bdrv_is_read_only(BlockDriverState *bs);
+int bdrv_is_inserted(BlockDriverState *bs);
+int bdrv_media_changed(BlockDriverState *bs);
+int bdrv_is_locked(BlockDriverState *bs);
+void bdrv_set_locked(BlockDriverState *bs, int locked);
+void bdrv_eject(BlockDriverState *bs, int eject_flag);
+void bdrv_set_change_cb(BlockDriverState *bs,
+ void (*change_cb)(void *opaque), void *opaque);
+void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size);
+BlockDriverState *bdrv_find(const char *name);
+void bdrv_iterate(void (*it)(void *opaque, const char *name), void *opaque);
+int bdrv_is_encrypted(BlockDriverState *bs);
+int bdrv_set_key(BlockDriverState *bs, const char *key);
+void bdrv_iterate_format(void (*it)(void *opaque, const char *name),
+ void *opaque);
+const char *bdrv_get_device_name(BlockDriverState *bs);
+int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
+ const uint8_t *buf, int nb_sectors);
+int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
+
+void bdrv_get_backing_filename(BlockDriverState *bs,
+ char *filename, int filename_size);
+int bdrv_snapshot_create(BlockDriverState *bs,
+ QEMUSnapshotInfo *sn_info);
+int bdrv_snapshot_goto(BlockDriverState *bs,
+ const char *snapshot_id);
+int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id);
+int bdrv_snapshot_list(BlockDriverState *bs,
+ QEMUSnapshotInfo **psn_info);
+char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn);
+
+char *get_human_readable_size(char *buf, int buf_size, int64_t size);
+int path_is_absolute(const char *path);
+void path_combine(char *dest, int dest_size,
+ const char *base_path,
+ const char *filename);
+
+#endif
