/* BlockDriver implementation for "raw" * * Copyright (C) 2013, Red Hat, Inc. * * Author: * Laszlo Ersek * * 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 to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include "block/block_int.h" static TYPE raw_reopen_prepare(BlockDriverState *bs) { return bdrv_reopen_prepare(bs->file); } static TYPE raw_co_readv(BlockDriverState *bs) { BLKDBG_EVENT(bs->file, BLKDBG_READ_AIO); return bdrv_co_readv(bs->file); } static TYPE raw_co_writev(BlockDriverState *bs) { BLKDBG_EVENT(bs->file, BLKDBG_WRITE_AIO); return bdrv_co_writev(bs->file); } static TYPE raw_co_is_allocated(BlockDriverState *bs) { return bdrv_co_is_allocated(bs->file); } static TYPE raw_co_write_zeroes(BlockDriverState *bs) { return bdrv_co_write_zeroes(bs->file); } static TYPE raw_co_discard(BlockDriverState *bs) { return bdrv_co_discard(bs->file); } static TYPE raw_getlength(BlockDriverState *bs) { return bdrv_getlength(bs->file); } static TYPE raw_get_info(BlockDriverState *bs) { return bdrv_get_info(bs->file); } static TYPE raw_truncate(BlockDriverState *bs) { return bdrv_truncate(bs->file); } static TYPE raw_is_inserted(BlockDriverState *bs) { return bdrv_is_inserted(bs->file); } static TYPE raw_media_changed(BlockDriverState *bs) { return bdrv_media_changed(bs->file); } static TYPE raw_eject(BlockDriverState *bs) { return bdrv_eject(bs->file); } static TYPE raw_lock_medium(BlockDriverState *bs) { return bdrv_lock_medium(bs->file); } static TYPE raw_ioctl(BlockDriverState *bs) { return bdrv_ioctl(bs->file); } static TYPE raw_aio_ioctl(BlockDriverState *bs) { return bdrv_aio_ioctl(bs->file); } static TYPE raw_has_zero_init(BlockDriverState *bs) { return bdrv_has_zero_init(bs->file); } static TYPE raw_create(void) { return bdrv_create_file(); } static const char *raw_format_name(void) { return "raw"; } static int raw_open(BlockDriverState *bs) { bs->sg = bs->file->sg; return 0; } static void raw_close(void) { } static int raw_probe(void) { /* smallest possible positive score so that raw is used if and only if no * other block driver works */ return 1; }