cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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dm-cache-block-types.h (1122B)

      1/*
      2 * Copyright (C) 2012 Red Hat, Inc.
      3 *
      4 * This file is released under the GPL.
      5 */
      6
      7#ifndef DM_CACHE_BLOCK_TYPES_H
      8#define DM_CACHE_BLOCK_TYPES_H
      9
     10#include "persistent-data/dm-block-manager.h"
     11
     12/*----------------------------------------------------------------*/
     13
     14/*
     15 * It's helpful to get sparse to differentiate between indexes into the
     16 * origin device, indexes into the cache device, and indexes into the
     17 * discard bitset.
     18 */
     19
     20typedef dm_block_t __bitwise dm_oblock_t;
     21typedef uint32_t __bitwise dm_cblock_t;
     22typedef dm_block_t __bitwise dm_dblock_t;
     23
     24static inline dm_oblock_t to_oblock(dm_block_t b)
     25{
     26	return (__force dm_oblock_t) b;
     27}
     28
     29static inline dm_block_t from_oblock(dm_oblock_t b)
     30{
     31	return (__force dm_block_t) b;
     32}
     33
     34static inline dm_cblock_t to_cblock(uint32_t b)
     35{
     36	return (__force dm_cblock_t) b;
     37}
     38
     39static inline uint32_t from_cblock(dm_cblock_t b)
     40{
     41	return (__force uint32_t) b;
     42}
     43
     44static inline dm_dblock_t to_dblock(dm_block_t b)
     45{
     46	return (__force dm_dblock_t) b;
     47}
     48
     49static inline dm_block_t from_dblock(dm_dblock_t b)
     50{
     51	return (__force dm_block_t) b;
     52}
     53
     54#endif /* DM_CACHE_BLOCK_TYPES_H */