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(BlockBackend *blk); 18 void blockdev_auto_del(BlockBackend *blk); 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 const char *devaddr; 34 BlockInterfaceType type; 35 int bus; 36 int unit; 37 int auto_del; /* see blockdev_mark_auto_del() */ 38 bool is_default; /* Added by default_drive() ? */ 39 int media_cd; 40 int cyls, heads, secs, trans; 41 QemuOpts *opts; 42 char *serial; 43 QTAILQ_ENTRY(DriveInfo) next; 44 }; 45 46 DriveInfo *blk_legacy_dinfo(BlockBackend *blk); 47 DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, DriveInfo *dinfo); 48 BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo); 49 50 void override_max_devs(BlockInterfaceType type, int max_devs); 51 52 DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); 53 bool drive_check_orphaned(void); 54 DriveInfo *drive_get_by_index(BlockInterfaceType type, int index); 55 int drive_get_max_bus(BlockInterfaceType type); 56 int drive_get_max_devs(BlockInterfaceType type); 57 DriveInfo *drive_get_next(BlockInterfaceType type); 58 59 QemuOpts *drive_def(const char *optstr); 60 QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file, 61 const char *optstr); 62 DriveInfo *drive_new(QemuOpts *arg, BlockInterfaceType block_default_type); 63 64 /* device-hotplug */ 65 66 DriveInfo *add_init_drive(const char *opts); 67 68 void qmp_change_blockdev(const char *device, const char *filename, 69 const char *format, Error **errp); 70 void do_commit(Monitor *mon, const QDict *qdict); 71 int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data); 72 #endif 73