33e3963e1b
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@309 c046a42c-6fe2-441c-8c8c-71466251a162
56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
/*
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* QEMU System Emulator header
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef VL_H
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#define VL_H
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/* vl.c */
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void *get_mmap_addr(unsigned long size);
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/* block.c */
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typedef struct BlockDriverState BlockDriverState;
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BlockDriverState *bdrv_open(const char *filename, int snapshot);
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void bdrv_close(BlockDriverState *bs);
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int bdrv_read(BlockDriverState *bs, int64_t sector_num,
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uint8_t *buf, int nb_sectors);
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int bdrv_write(BlockDriverState *bs, int64_t sector_num,
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const uint8_t *buf, int nb_sectors);
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void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr);
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int bdrv_commit(BlockDriverState *bs);
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/* user mode linux compatible COW file */
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#define COW_MAGIC 0x4f4f4f4d /* MOOO */
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#define COW_VERSION 2
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struct cow_header_v2 {
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uint32_t magic;
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uint32_t long version;
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char backing_file[1024];
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int32_t mtime;
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uint64_t size;
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uint32_t sectorsize;
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};
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#endif /* VL_H */
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