1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * AMD SEV header for early boot related functions. 4 * 5 * Author: Tom Lendacky <thomas.lendacky@amd.com> 6 */ 7 8 #ifndef BOOT_COMPRESSED_SEV_H 9 #define BOOT_COMPRESSED_SEV_H 10 11 #ifdef CONFIG_AMD_MEM_ENCRYPT 12 13 bool sev_snp_enabled(void); 14 void snp_accept_memory(phys_addr_t start, phys_addr_t end); 15 u64 sev_get_status(void); 16 bool early_is_sevsnp_guest(void); 17 18 #else 19 20 static inline bool sev_snp_enabled(void) { return false; } 21 static inline void snp_accept_memory(phys_addr_t start, phys_addr_t end) { } 22 static inline u64 sev_get_status(void) { return 0; } 23 static inline bool early_is_sevsnp_guest(void) { return false; } 24 25 #endif 26 27 #endif 28