include/linux/purgatory.h

   1 #ifndef _LINUX_PURGATORY_H
   2 #define _LINUX_PURGATORY_H
   3
   4 #include <linux/types.h>
   5 #include <crypto/sha.h>
   6 #include <uapi/linux/kexec.h>
   7
   8 struct kexec_sha_region {
   9         unsigned long start;
  10         unsigned long len;
  11 };
  12
  13 /*
  14  * These forward declarations serve two purposes:
  15  *
  16  * 1) Make sparse happy when checking arch/purgatory
  17  * 2) Document that these are required to be global so the symbol
  18  *    lookup in kexec works
  19  */
  20 extern struct kexec_sha_region purgatory_sha_regions[KEXEC_SEGMENT_MAX];
  21 extern u8 purgatory_sha256_digest[SHA256_DIGEST_SIZE];
  22
  23 #endif