/* 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