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.h" 14 #include "qemu-queue.h" 15 16 void blockdev_mark_auto_del(BlockDriverState *bs); 17 void blockdev_auto_del(BlockDriverState *bs); 18 19 #define BLOCK_SERIAL_STRLEN 20 20 21 struct DriveInfo { 22 BlockDriverState *bdrv; 23 char *id; 24 const char *devaddr; 25 BlockInterfaceType type; 26 int bus; 27 int unit; 28 int auto_del; /* see blockdev_mark_auto_del() */ 29 QemuOpts *opts; 30 char serial[BLOCK_SERIAL_STRLEN + 1]; 31 QTAILQ_ENTRY(DriveInfo) next; 32 }; 33 34 #define MAX_IDE_DEVS 2 35 #define MAX_SCSI_DEVS 7 36 37 extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); 38 extern int drive_get_max_bus(BlockInterfaceType type); 39 extern void drive_uninit(DriveInfo *dinfo); 40 extern DriveInfo *drive_get_by_blockdev(BlockDriverState *bs); 41 42 extern QemuOpts *drive_add(const char *file, const char *fmt, ...); 43 extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi, 44 int *fatal_error); 45 46 /* device-hotplug */ 47 48 DriveInfo *add_init_drive(const char *opts); 49 50 void do_commit(Monitor *mon, const QDict *qdict); 51 int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data); 52 int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data); 53 int do_change_block(Monitor *mon, const char *device, 54 const char *filename, const char *fmt); 55 56 #endif 57