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1 | #ifndef _LINUX_PURGATORY_H |
2 | #define _LINUX_PURGATORY_H | |
3 | ||
4 | #include <linux/types.h> | |
5 | #include <crypto/sha.h> | |
6 | #include <uapi/linux/kexec.h> | |
7 | ||
8 | struct kexec_sha_region { | |
9 | unsigned long start; | |
10 | unsigned long len; | |
11 | }; | |
12 | ||
13 | /* | |
14 | * These forward declarations serve two purposes: | |
15 | * | |
16 | * 1) Make sparse happy when checking arch/purgatory | |
17 | * 2) Document that these are required to be global so the symbol | |
18 | * lookup in kexec works | |
19 | */ | |
20 | extern struct kexec_sha_region purgatory_sha_regions[KEXEC_SEGMENT_MAX]; | |
21 | extern u8 purgatory_sha256_digest[SHA256_DIGEST_SIZE]; | |
22 | ||
23 | #endif |