| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Thomas Gleixner | 40c50c1 | 2017-03-10 13:17:18 +0100 | [diff] [blame] | 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 |