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_IDE must be zero, because we want MachineClass member 23 * block_default_type to default-initialize to IF_IDE 24 */ 25 IF_IDE = 0, 26 IF_NONE, 27 IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, 28 IF_COUNT 29 } BlockInterfaceType; 30 31 struct DriveInfo { 32 const char *devaddr; 33 BlockInterfaceType type; 34 int bus; 35 int unit; 36 int auto_del; /* see blockdev_mark_auto_del() */ 37 bool is_default; /* Added by default_drive() ? */ 38 int media_cd; 39 int cyls, heads, secs, trans; 40 QemuOpts *opts; 41 char *serial; 42 QTAILQ_ENTRY(DriveInfo) next; 43 }; 44 45 DriveInfo *blk_legacy_dinfo(BlockBackend *blk); 46 DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, DriveInfo *dinfo); 47 BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo); 48 49 void override_max_devs(BlockInterfaceType type, int max_devs); 50 51 DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); 52 bool drive_check_orphaned(void); 53 DriveInfo *drive_get_by_index(BlockInterfaceType type, int index); 54 int drive_get_max_bus(BlockInterfaceType type); 55 int drive_get_max_devs(BlockInterfaceType type); 56 DriveInfo *drive_get_next(BlockInterfaceType type); 57 58 QemuOpts *drive_def(const char *optstr); 59 QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file, 60 const char *optstr); 61 DriveInfo *drive_new(QemuOpts *arg, BlockInterfaceType block_default_type); 62 63 /* device-hotplug */ 64 65 void hmp_commit(Monitor *mon, const QDict *qdict); 66 void hmp_drive_del(Monitor *mon, const QDict *qdict); 67 #endif 68