1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_PURGATORY_H
3 #define _LINUX_PURGATORY_H
5 #include <linux/types.h>
6 #include <crypto/sha.h>
7 #include <uapi/linux/kexec.h>
9 struct kexec_sha_region {
15 * These forward declarations serve two purposes:
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
21 extern struct kexec_sha_region purgatory_sha_regions[KEXEC_SEGMENT_MAX];
22 extern u8 purgatory_sha256_digest[SHA256_DIGEST_SIZE];