[PATCH] x86-64: Avoid unnecessary double bouncing for swiotlb
[pandora-kernel.git] / include / asm-alpha / cache.h
1 /*
2  * include/asm-alpha/cache.h
3  */
4 #ifndef __ARCH_ALPHA_CACHE_H
5 #define __ARCH_ALPHA_CACHE_H
6
7 #include <linux/config.h>
8
9 /* Bytes per L1 (data) cache line. */
10 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6)
11 # define L1_CACHE_BYTES     64
12 # define L1_CACHE_SHIFT     6
13 #else
14 /* Both EV4 and EV5 are write-through, read-allocate,
15    direct-mapped, physical.
16 */
17 # define L1_CACHE_BYTES     32
18 # define L1_CACHE_SHIFT     5
19 #endif
20
21 #define L1_CACHE_ALIGN(x)  (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
22 #define SMP_CACHE_BYTES    L1_CACHE_BYTES
23 #define L1_CACHE_SHIFT_MAX L1_CACHE_SHIFT
24
25 #endif