diff options
Diffstat (limited to 'arch/x86/include/asm/cacheinfo.h')
| -rw-r--r-- | arch/x86/include/asm/cacheinfo.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cacheinfo.h b/arch/x86/include/asm/cacheinfo.h new file mode 100644 index 0000000000..ce9685fc78 --- /dev/null +++ b/arch/x86/include/asm/cacheinfo.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_CACHEINFO_H +#define _ASM_X86_CACHEINFO_H + +/* Kernel controls MTRR and/or PAT MSRs. */ +extern unsigned int memory_caching_control; +#define CACHE_MTRR 0x01 +#define CACHE_PAT 0x02 + +void cacheinfo_amd_init_llc_id(struct cpuinfo_x86 *c, int cpu); +void cacheinfo_hygon_init_llc_id(struct cpuinfo_x86 *c, int cpu); + +void cache_disable(void); +void cache_enable(void); +void set_cache_aps_delayed_init(bool val); +bool get_cache_aps_delayed_init(void); +void cache_bp_init(void); +void cache_bp_restore(void); +void cache_aps_init(void); + +#endif /* _ASM_X86_CACHEINFO_H */ |