| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_X86_COCO_H |
| #define _ASM_X86_COCO_H |
| |
| #include <asm/asm.h> |
| #include <asm/types.h> |
| |
| enum cc_vendor { |
| CC_VENDOR_NONE, |
| CC_VENDOR_AMD, |
| CC_VENDOR_INTEL, |
| }; |
| |
| #ifdef CONFIG_ARCH_HAS_CC_PLATFORM |
| extern enum cc_vendor cc_vendor; |
| extern u64 cc_mask; |
| |
| static inline void cc_set_mask(u64 mask) |
| { |
| RIP_REL_REF(cc_mask) = mask; |
| } |
| |
| u64 cc_mkenc(u64 val); |
| u64 cc_mkdec(u64 val); |
| void cc_random_init(void); |
| #else |
| #define cc_vendor (CC_VENDOR_NONE) |
| static const u64 cc_mask = 0; |
| |
| static inline u64 cc_mkenc(u64 val) |
| { |
| return val; |
| } |
| |
| static inline u64 cc_mkdec(u64 val) |
| { |
| return val; |
| } |
| static inline void cc_random_init(void) { } |
| #endif |
| |
| #endif /* _ASM_X86_COCO_H */ |