18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef _LINUX_PURGATORY_H 38c2ecf20Sopenharmony_ci#define _LINUX_PURGATORY_H 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#include <linux/types.h> 68c2ecf20Sopenharmony_ci#include <crypto/sha.h> 78c2ecf20Sopenharmony_ci#include <uapi/linux/kexec.h> 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_cistruct kexec_sha_region { 108c2ecf20Sopenharmony_ci unsigned long start; 118c2ecf20Sopenharmony_ci unsigned long len; 128c2ecf20Sopenharmony_ci}; 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci/* 158c2ecf20Sopenharmony_ci * These forward declarations serve two purposes: 168c2ecf20Sopenharmony_ci * 178c2ecf20Sopenharmony_ci * 1) Make sparse happy when checking arch/purgatory 188c2ecf20Sopenharmony_ci * 2) Document that these are required to be global so the symbol 198c2ecf20Sopenharmony_ci * lookup in kexec works 208c2ecf20Sopenharmony_ci */ 218c2ecf20Sopenharmony_ciextern struct kexec_sha_region purgatory_sha_regions[KEXEC_SEGMENT_MAX]; 228c2ecf20Sopenharmony_ciextern u8 purgatory_sha256_digest[SHA256_DIGEST_SIZE]; 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci#endif 25