diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/raw.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/block/raw.c b/block/raw.c deleted file mode 100644 index 47518253fe..0000000000 --- a/block/raw.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * 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); |