Archipelago » qemu

/*

 * QEMU System Emulator block driver

 * Copyright (c) 2003 Fabrice Bellard

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

    int instance_size;

    int (*bdrv_probe)(const uint8_t *buf, int buf_size, const char *filename);

    int (*bdrv_open)(BlockDriverState *bs, const char *filename, int flags);

                     uint8_t *buf, int nb_sectors);

                      const uint8_t *buf, int nb_sectors);

    void (*bdrv_close)(BlockDriverState *bs);

                       const char *backing_file, int flags);

    void (*bdrv_flush)(BlockDriverState *bs);

    int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num,

    int aiocb_size;

    const char *protocol_name;

                      uint8_t *buf, int count);

                       const uint8_t *buf, int count);

    int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset);

    int64_t (*bdrv_getlength)(BlockDriverState *bs);

                                 const uint8_t *buf, int nb_sectors);

                                QEMUSnapshotInfo *sn_info);

                              const char *snapshot_id);

    int (*bdrv_snapshot_delete)(BlockDriverState *bs, const char *snapshot_id);

                              QEMUSnapshotInfo **psn_info);

    int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi);

    int (*bdrv_media_changed)(BlockDriverState *bs);

    int (*bdrv_eject)(BlockDriverState *bs, int eject_flag);

    int (*bdrv_set_locked)(BlockDriverState *bs, int locked);

    BlockDriverAIOCB *free_aiocb;

    struct BlockDriver *next;

};

    /* async read/write emulation */

    void *sync_aiocb;

    /* NOTE: the following infos are only hints for real hardware

       drivers. They are not used by the block driver */

    int cyls, heads, secs, translation;