Revision 33e3963e vl.h
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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); |
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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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