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/*
* 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
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