1 /* 2 * QEMU host block devices 3 * 4 * Copyright (c) 2003-2008 Fabrice Bellard 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or 7 * later. See the COPYING file in the top-level directory. 8 */ 9 10 #ifndef BLOCKDEV_H 11 #define BLOCKDEV_H 12 13 #include "block/block.h" 14 #include "qapi/error.h" 15 #include "qemu/queue.h" 16 17 void blockdev_mark_auto_del(BlockDriverState *bs); 18 void blockdev_auto_del(BlockDriverState *bs); 19 20 typedef enum { 21 IF_DEFAULT = -1, /* for use with drive_add() only */ 22 /* 23 * IF_IDE must be zero, because we want QEMUMachine member 24 * block_default_type to default-initialize to IF_IDE 25 */ 26 IF_IDE = 0, 27 IF_NONE, 28 IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, 29 IF_COUNT 30 } BlockInterfaceType; 31 32 struct DriveInfo { 33 BlockDriverState *bdrv; 34 char *id; 35 const char *devaddr; 36 BlockInterfaceType type; 37 int bus; 38 int unit; 39 int auto_del; /* see blockdev_mark_auto_del() */ 40 bool enable_auto_del; /* Only for legacy drive_init() */ 41 int media_cd; 42 int cyls, heads, secs, trans; 43 QemuOpts *opts; 44 char *serial; 45 QTAILQ_ENTRY(DriveInfo) next; 46 int refcount; 47 }; 48 49 DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); 50 DriveInfo *drive_get_by_index(BlockInterfaceType type, int index); 51 int drive_get_max_bus(BlockInterfaceType type); 52 DriveInfo *drive_get_next(BlockInterfaceType type); 53 void drive_get_ref(DriveInfo *dinfo); 54 void drive_put_ref(DriveInfo *dinfo); 55 DriveInfo *drive_get_by_blockdev(BlockDriverState *bs); 56 57 QemuOpts *drive_def(const char *optstr); 58 QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file, 59 const char *optstr); 60 DriveInfo *drive_init(QemuOpts *arg, BlockInterfaceType block_default_type); 61 62 /* device-hotplug */ 63 64 DriveInfo *add_init_drive(const char *opts); 65 66 void qmp_change_blockdev(const char *device, const char *filename, 67 const char *format, Error **errp); 68 void do_commit(Monitor *mon, const QDict *qdict); 69 int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data); 70 #endif 71