| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _LINUX_PURGATORY_H |
| #define _LINUX_PURGATORY_H |
| |
| #include <linux/types.h> |
| #include <crypto/sha2.h> |
| #include <uapi/linux/kexec.h> |
| |
| struct kexec_sha_region { |
| unsigned long start; |
| unsigned long len; |
| }; |
| |
| /* |
| * These forward declarations serve two purposes: |
| * |
| * 1) Make sparse happy when checking arch/purgatory |
| * 2) Document that these are required to be global so the symbol |
| * lookup in kexec works |
| */ |
| extern struct kexec_sha_region purgatory_sha_regions[KEXEC_SEGMENT_MAX]; |
| extern u8 purgatory_sha256_digest[SHA256_DIGEST_SIZE]; |
| |
| #endif |
