Archipelago » qemu

/*

 * QEMU host block devices

 *

 * Copyright (c) 2003-2008 Fabrice Bellard

 *

 * This work is licensed under the terms of the GNU GPL, version 2 or

 * later.  See the COPYING file in the top-level directory.

 */

#ifndef BLOCKDEV_H

#define BLOCKDEV_H

#include "block.h"

#include "qemu-queue.h"

void blockdev_mark_auto_del(BlockDriverState *bs);

void blockdev_auto_del(BlockDriverState *bs);

#define BLOCK_SERIAL_STRLEN 20

typedef enum {

    IF_DEFAULT = -1,            /* for use with drive_add() only */

    IF_NONE,

    IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,

    IF_COUNT

} BlockInterfaceType;

struct DriveInfo {

    BlockDriverState *bdrv;

    char *id;

    const char *devaddr;

    BlockInterfaceType type;

    int bus;

    int unit;

    int auto_del;               /* see blockdev_mark_auto_del() */

    QemuOpts *opts;

    char serial[BLOCK_SERIAL_STRLEN + 1];

    QTAILQ_ENTRY(DriveInfo) next;

};

DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);

int drive_get_max_bus(BlockInterfaceType type);

DriveInfo *drive_get_next(BlockInterfaceType type);

void drive_uninit(DriveInfo *dinfo);

DriveInfo *drive_get_by_blockdev(BlockDriverState *bs);

QemuOpts *drive_def(const char *optstr);

QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file,

                    const char *fmt, ...) /*GCC_FMT_ATTR(4, 5)*/;

    /* GCC_FMT_ATTR() commented out to avoid the (pretty useless)

     * "zero-length gnu_printf format string" warning we insist to

     * enable */

DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi, int *fatal_error);

/* device-hotplug */

DriveInfo *add_init_drive(const char *opts);

void do_commit(Monitor *mon, const QDict *qdict);

int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data);

int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data);

int do_change_block(Monitor *mon, const char *device,

                    const char *filename, const char *fmt);

int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data);

int do_snapshot_blkdev(Monitor *mon, const QDict *qdict, QObject **ret_data);

int do_block_resize(Monitor *mon, const QDict *qdict, QObject **ret_data);

#endif