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      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.h"
     14 #include "qemu-queue.h"
     15 
     16 void blockdev_mark_auto_del(BlockDriverState *bs);
     17 void blockdev_auto_del(BlockDriverState *bs);
     18 
     19 #define BLOCK_SERIAL_STRLEN 20
     20 
     21 struct DriveInfo {
     22     BlockDriverState *bdrv;
     23     char *id;
     24     const char *devaddr;
     25     BlockInterfaceType type;
     26     int bus;
     27     int unit;
     28     int auto_del;               /* see blockdev_mark_auto_del() */
     29     QemuOpts *opts;
     30     char serial[BLOCK_SERIAL_STRLEN + 1];
     31     QTAILQ_ENTRY(DriveInfo) next;
     32 };
     33 
     34 #define MAX_IDE_DEVS	2
     35 #define MAX_SCSI_DEVS	7
     36 
     37 extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
     38 extern int drive_get_max_bus(BlockInterfaceType type);
     39 extern void drive_uninit(DriveInfo *dinfo);
     40 extern DriveInfo *drive_get_by_blockdev(BlockDriverState *bs);
     41 
     42 extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
     43 extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi,
     44                              int *fatal_error);
     45 
     46 /* device-hotplug */
     47 
     48 DriveInfo *add_init_drive(const char *opts);
     49 
     50 void do_commit(Monitor *mon, const QDict *qdict);
     51 int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data);
     52 int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data);
     53 int do_change_block(Monitor *mon, const char *device,
     54                     const char *filename, const char *fmt);
     55 
     56 #endif
     57