blk: rq_data_dir() should not return a boolean
[cris-mirror.git] / arch / sh / include / asm / cache.h
blobef9e555aafba5bad5247d0baeae0d256064b1620
1 /* $Id: cache.h,v 1.6 2004/03/11 18:08:05 lethal Exp $
3 * include/asm-sh/cache.h
5 * Copyright 1999 (C) Niibe Yutaka
6 * Copyright 2002, 2003 (C) Paul Mundt
7 */
8 #ifndef __ASM_SH_CACHE_H
9 #define __ASM_SH_CACHE_H
10 #ifdef __KERNEL__
12 #include <linux/init.h>
13 #include <cpu/cache.h>
15 #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
17 #define __read_mostly __attribute__((__section__(".data..read_mostly")))
19 #ifndef __ASSEMBLY__
20 struct cache_info {
21 unsigned int ways; /* Number of cache ways */
22 unsigned int sets; /* Number of cache sets */
23 unsigned int linesz; /* Cache line size (bytes) */
25 unsigned int way_size; /* sets * line size */
28 * way_incr is the address offset for accessing the next way
29 * in memory mapped cache array ops.
31 unsigned int way_incr;
32 unsigned int entry_shift;
33 unsigned int entry_mask;
36 * Compute a mask which selects the address bits which overlap between
37 * 1. those used to select the cache set during indexing
38 * 2. those in the physical page number.
40 unsigned int alias_mask;
41 unsigned int n_aliases; /* Number of aliases */
43 unsigned long flags;
45 #endif /* __ASSEMBLY__ */
46 #endif /* __KERNEL__ */
47 #endif /* __ASM_SH_CACHE_H */