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 
sev_snp_enabled(void)20 static inline bool sev_snp_enabled(void) { return false; }
snp_accept_memory(phys_addr_t start,phys_addr_t end)21 static inline void snp_accept_memory(phys_addr_t start, phys_addr_t end) { }
sev_get_status(void)22 static inline u64 sev_get_status(void) { return 0; }
early_is_sevsnp_guest(void)23 static inline bool early_is_sevsnp_guest(void) { return false; }
24 
25 #endif
26 
27 #endif
28