72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
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/*
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* QEMU host block devices
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* later. See the COPYING file in the top-level directory.
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*/
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#ifndef BLOCKDEV_H
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#define BLOCKDEV_H
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#include "block.h"
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#include "qemu-queue.h"
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typedef enum {
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IF_NONE,
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IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
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IF_COUNT
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} BlockInterfaceType;
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typedef enum {
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BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC,
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BLOCK_ERR_STOP_ANY
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} BlockInterfaceErrorAction;
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#define BLOCK_SERIAL_STRLEN 20
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typedef struct DriveInfo {
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BlockDriverState *bdrv;
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char *id;
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const char *devaddr;
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BlockInterfaceType type;
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int bus;
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int unit;
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QemuOpts *opts;
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BlockInterfaceErrorAction on_read_error;
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BlockInterfaceErrorAction on_write_error;
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char serial[BLOCK_SERIAL_STRLEN + 1];
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QTAILQ_ENTRY(DriveInfo) next;
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} DriveInfo;
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#define MAX_IDE_DEVS 2
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#define MAX_SCSI_DEVS 7
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extern QTAILQ_HEAD(drivelist, DriveInfo) drives;
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extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
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extern DriveInfo *drive_get_by_id(const char *id);
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extern int drive_get_max_bus(BlockInterfaceType type);
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extern void drive_uninit(DriveInfo *dinfo);
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extern const char *drive_get_serial(BlockDriverState *bdrv);
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extern BlockInterfaceErrorAction drive_get_on_error(
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BlockDriverState *bdrv, int is_read);
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extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
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extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi,
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int *fatal_error);
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/* device-hotplug */
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DriveInfo *add_init_drive(const char *opts);
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void do_commit(Monitor *mon, const QDict *qdict);
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int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data);
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int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data);
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int do_change_block(Monitor *mon, const char *device,
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const char *filename, const char *fmt);
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#endif
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