+++ /dev/null
-/*
- * Block driver for RAW format
- *
- * Copyright (c) 2006 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
- * 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 "qemu-common.h"
-#include "block/block_int.h"
-#include "qemu/module.h"
-
-static int raw_open(BlockDriverState *bs, QDict *options, int flags)
-{
- bs->sg = bs->file->sg;
- return 0;
-}
-
-/* We have nothing to do for raw reopen, stubs just return
- * success */
-static int raw_reopen_prepare(BDRVReopenState *state,
- BlockReopenQueue *queue, Error **errp)
-{
- return 0;
-}
-
-static int coroutine_fn raw_co_readv(BlockDriverState *bs, int64_t sector_num,
- int nb_sectors, QEMUIOVector *qiov)
-{
- BLKDBG_EVENT(bs->file, BLKDBG_READ_AIO);
- return bdrv_co_readv(bs->file, sector_num, nb_sectors, qiov);
-}
-
-static int coroutine_fn raw_co_writev(BlockDriverState *bs, int64_t sector_num,
- int nb_sectors, QEMUIOVector *qiov)
-{
- BLKDBG_EVENT(bs->file, BLKDBG_WRITE_AIO);
- return bdrv_co_writev(bs->file, sector_num, nb_sectors, qiov);
-}
-
-static void raw_close(BlockDriverState *bs)
-{
-}
-
-static int coroutine_fn raw_co_is_allocated(BlockDriverState *bs,
- int64_t sector_num,
- int nb_sectors, int *pnum)
-{
- return bdrv_co_is_allocated(bs->file, sector_num, nb_sectors, pnum);
-}
-
-static int coroutine_fn raw_co_write_zeroes(BlockDriverState *bs,
- int64_t sector_num,
- int nb_sectors)
-{
- return bdrv_co_write_zeroes(bs->file, sector_num, nb_sectors);
-}
-
-static int64_t raw_getlength(BlockDriverState *bs)
-{
- return bdrv_getlength(bs->file);
-}
-
-static int raw_truncate(BlockDriverState *bs, int64_t offset)
-{
- return bdrv_truncate(bs->file, offset);
-}
-
-static int raw_probe(const uint8_t *buf, int buf_size, const char *filename)
-{
- return 1; /* everything can be opened as raw image */
-}
-
-static int coroutine_fn raw_co_discard(BlockDriverState *bs,
- int64_t sector_num, int nb_sectors)
-{
- return bdrv_co_discard(bs->file, sector_num, nb_sectors);
-}
-
-static int raw_is_inserted(BlockDriverState *bs)
-{
- return bdrv_is_inserted(bs->file);
-}
-
-static int raw_media_changed(BlockDriverState *bs)
-{
- return bdrv_media_changed(bs->file);
-}
-
-static void raw_eject(BlockDriverState *bs, bool eject_flag)
-{
- bdrv_eject(bs->file, eject_flag);
-}
-
-static void raw_lock_medium(BlockDriverState *bs, bool locked)
-{
- bdrv_lock_medium(bs->file, locked);
-}
-
-static int raw_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
-{
- return bdrv_ioctl(bs->file, req, buf);
-}
-
-static BlockDriverAIOCB *raw_aio_ioctl(BlockDriverState *bs,
- unsigned long int req, void *buf,
- BlockDriverCompletionFunc *cb, void *opaque)
-{
- return bdrv_aio_ioctl(bs->file, req, buf, cb, opaque);
-}
-
-static int raw_create(const char *filename, QEMUOptionParameter *options)
-{
- return bdrv_create_file(filename, options);
-}
-
-static QEMUOptionParameter raw_create_options[] = {
- {
- .name = BLOCK_OPT_SIZE,
- .type = OPT_SIZE,
- .help = "Virtual disk size"
- },
- { NULL }
-};
-
-static int raw_has_zero_init(BlockDriverState *bs)
-{
- return bdrv_has_zero_init(bs->file);
-}
-
-static int raw_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
-{
- return bdrv_get_info(bs->file, bdi);
-}
-
-static BlockDriver bdrv_raw = {
- .format_name = "raw",
-
- /* It's really 0, but we need to make g_malloc() happy */
- .instance_size = 1,
-
- .bdrv_open = raw_open,
- .bdrv_close = raw_close,
-
- .bdrv_reopen_prepare = raw_reopen_prepare,
-
- .bdrv_co_readv = raw_co_readv,
- .bdrv_co_writev = raw_co_writev,
- .bdrv_co_is_allocated = raw_co_is_allocated,
- .bdrv_co_write_zeroes = raw_co_write_zeroes,
- .bdrv_co_discard = raw_co_discard,
-
- .bdrv_probe = raw_probe,
- .bdrv_getlength = raw_getlength,
- .bdrv_get_info = raw_get_info,
- .bdrv_truncate = raw_truncate,
-
- .bdrv_is_inserted = raw_is_inserted,
- .bdrv_media_changed = raw_media_changed,
- .bdrv_eject = raw_eject,
- .bdrv_lock_medium = raw_lock_medium,
-
- .bdrv_ioctl = raw_ioctl,
- .bdrv_aio_ioctl = raw_aio_ioctl,
-
- .bdrv_create = raw_create,
- .create_options = raw_create_options,
- .bdrv_has_zero_init = raw_has_zero_init,
-};
-
-static void bdrv_raw_init(void)
-{
- bdrv_register(&bdrv_raw);
-}
-
-block_init(bdrv_raw_init);