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 "qemu/queue.h" 15 16 void blockdev_mark_auto_del(BlockBackend *blk); 17 void blockdev_auto_del(BlockBackend *blk); 18 19 typedef enum { 20 IF_DEFAULT = -1, /* for use with drive_add() only */ 21 /* 22 * IF_NONE must be zero, because we want MachineClass member 23 * block_default_type to default-initialize to IF_NONE 24 */ 25 IF_NONE = 0, 26 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, 27 IF_COUNT 28 } BlockInterfaceType; 29 30 struct DriveInfo { 31 const char *devaddr; 32 BlockInterfaceType type; 33 int bus; 34 int unit; 35 int auto_del; /* see blockdev_mark_auto_del() */ 36 bool is_default; /* Added by default_drive() ? */ 37 int media_cd; 38 int cyls, heads, secs, trans; 39 QemuOpts *opts; 40 char *serial; 41 QTAILQ_ENTRY(DriveInfo) next; 42 }; 43 44 DriveInfo *blk_legacy_dinfo(BlockBackend *blk); 45 DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, DriveInfo *dinfo); 46 BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo); 47 48 void override_max_devs(BlockInterfaceType type, int max_devs); 49 50 DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); 51 void drive_check_orphaned(void); 52 DriveInfo *drive_get_by_index(BlockInterfaceType type, int index); 53 int drive_get_max_bus(BlockInterfaceType type); 54 int drive_get_max_devs(BlockInterfaceType type); 55 DriveInfo *drive_get_next(BlockInterfaceType type); 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_new(QemuOpts *arg, BlockInterfaceType block_default_type); 61 62 /* device-hotplug */ 63 64 void hmp_commit(Monitor *mon, const QDict *qdict); 65 void hmp_drive_del(Monitor *mon, const QDict *qdict); 66 #endif 67