-typedef enum {
- IF_NONE,
- IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
- IF_COUNT
-} BlockInterfaceType;
-
-typedef enum {
- BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC,
- BLOCK_ERR_STOP_ANY
-} BlockInterfaceErrorAction;
-
-#define BLOCK_SERIAL_STRLEN 20
-
-typedef struct DriveInfo {
- BlockDriverState *bdrv;
- char *id;
- const char *devaddr;
- BlockInterfaceType type;
- int bus;
- int unit;
- QemuOpts *opts;
- BlockInterfaceErrorAction on_read_error;
- BlockInterfaceErrorAction on_write_error;
- char serial[BLOCK_SERIAL_STRLEN + 1];
- QTAILQ_ENTRY(DriveInfo) next;
-} DriveInfo;
-
-#define MAX_IDE_DEVS 2
-#define MAX_SCSI_DEVS 7
-#define MAX_DRIVES 32
-
-extern QTAILQ_HEAD(drivelist, DriveInfo) drives;
-extern QTAILQ_HEAD(driveoptlist, DriveOpt) driveopts;
-
-extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
-extern DriveInfo *drive_get_by_id(const char *id);
-extern int drive_get_max_bus(BlockInterfaceType type);
-extern void drive_uninit(DriveInfo *dinfo);
-extern const char *drive_get_serial(BlockDriverState *bdrv);
-
-extern BlockInterfaceErrorAction drive_get_on_error(
- BlockDriverState *bdrv, int is_read);
-
-BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type);
-
-extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
-extern DriveInfo *drive_init(QemuOpts *arg, void *machine, int *fatal_error);
-
-/* device-hotplug */
-
-DriveInfo *add_init_drive(const char *opts);
-