90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
#ifndef CBD_H
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#define CBD_H
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/* Kernel compatibility */
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#include <stdint.h>
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#include <string.h>
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#include <stdbool.h>
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#include <asm/byteorder.h>
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#ifndef BITS_PER_BYTE
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#define BITS_PER_BYTE 8
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#endif
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#ifndef SECTOR_SHIFT
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#define SECTOR_SHIFT 9
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#endif
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#ifndef SECTOR_SIZE
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#define SECTOR_SIZE (1 << SECTOR_SHIFT)
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#endif
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#ifndef PAGE_SHIFT
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#define PAGE_SHIFT 12
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#endif
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#ifndef PAGE_SIZE
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#define PAGE_SIZE (1 << PAGE_SHIFT)
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#endif
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#ifndef min
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#define min(a, b) ((a) < (b) ? (a) : (b))
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#endif
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#ifndef max
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#define max(a, b) ((a) < (b) ? (b) : (a))
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#endif
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#endif
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#ifndef DIV_ROUND_UP
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#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
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#endif
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#ifndef ROUND_UP
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#define ROUND_UP(n, d) (DIV_ROUND_UP(n, d) * (n))
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#endif
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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#include <linux/dm-compress.h>
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#include <stdlib.h>
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#define CBD_DEFAULT_COMPRESSION_FACTOR 2.0
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#define CBD_DEFAULT_PHYSICAL_BLOCK_SHIFT 3
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#define CBD_DEFAULT_LOGICAL_BLOCK_SHIFT 4
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/* XXX: move to types.h */
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typedef enum {
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t_false,
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t_true,
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t_none
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} tristate_t;
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int cbd_format(const char* dev,
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uint16_t flags,
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enum cbd_alg alg, uint level,
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uint8_t pshift, uint8_t lshift,
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uint8_t pbatshift,
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uint64_t psize, uint64_t lsize,
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bool full_init);
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int cbd_open(const char* dev,
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const char* name,
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uint64_t cache_pages, bool sync);
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int cbd_close(const char* name);
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int cbd_stats(const char* dev, struct cbd_stats* stats);
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int cbd_check(const char* dev,
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bool force,
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tristate_t auto_response,
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bool full_check);
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int cbd_resize(const char* dev,
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uint64_t lsize);
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#endif
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