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"

typedef enum {

    IF_NONE,

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

    IF_COUNT

} BlockInterfaceType;

typedef enum {

    BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC,

    BLOCK_ERR_STOP_ANY

} BlockInterfaceErrorAction;

#define BLOCK_SERIAL_STRLEN 20

typedef struct DriveInfo {

    BlockDriverState *bdrv;

    char *id;

    const char *devaddr;

    BlockInterfaceType type;

    int bus;

    int unit;

    QemuOpts *opts;

    BlockInterfaceErrorAction on_read_error;

    BlockInterfaceErrorAction on_write_error;

    char serial[BLOCK_SERIAL_STRLEN + 1];

    QTAILQ_ENTRY(DriveInfo) next;

} DriveInfo;

#define MAX_IDE_DEVS        2

#define MAX_SCSI_DEVS        7

extern QTAILQ_HEAD(drivelist, DriveInfo) drives;

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

extern DriveInfo *drive_get_by_id(const char *id);

extern int drive_get_max_bus(BlockInterfaceType type);

extern void drive_uninit(DriveInfo *dinfo);

extern const char *drive_get_serial(BlockDriverState *bdrv);

extern BlockInterfaceErrorAction drive_get_on_error(

    BlockDriverState *bdrv, int is_read);

extern QemuOpts *drive_add(const char *file, const char *fmt, ...);

extern 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);

#endif