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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
40c50c1f TG |
2 | #ifndef _LINUX_PURGATORY_H |
3 | #define _LINUX_PURGATORY_H | |
4 | ||
5 | #include <linux/types.h> | |
6 | #include <crypto/sha.h> | |
7 | #include <uapi/linux/kexec.h> | |
8 | ||
9 | struct kexec_sha_region { | |
10 | unsigned long start; | |
11 | unsigned long len; | |
12 | }; | |
13 | ||
14 | /* | |
15 | * These forward declarations serve two purposes: | |
16 | * | |
17 | * 1) Make sparse happy when checking arch/purgatory | |
18 | * 2) Document that these are required to be global so the symbol | |
19 | * lookup in kexec works | |
20 | */ | |
21 | extern struct kexec_sha_region purgatory_sha_regions[KEXEC_SEGMENT_MAX]; | |
22 | extern u8 purgatory_sha256_digest[SHA256_DIGEST_SIZE]; | |
23 | ||
24 | #endif |