arch/ia64/include/asm/esi.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * ESI service calls.
   4  *
   5  * Copyright (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P.
   6  *      Alex Williamson <alex.williamson@hp.com>
   7  */
   8 #ifndef esi_h
   9 #define esi_h
  10
  11 #include <linux/efi.h>
  12
  13 #define ESI_QUERY                       0x00000001
  14 #define ESI_OPEN_HANDLE                 0x02000000
  15 #define ESI_CLOSE_HANDLE                0x02000001
  16
  17 enum esi_proc_type {
  18         ESI_PROC_SERIALIZED,    /* calls need to be serialized */
  19         ESI_PROC_MP_SAFE,       /* MP-safe, but not reentrant */
  20         ESI_PROC_REENTRANT      /* MP-safe and reentrant */
  21 };
  22
  23 extern struct ia64_sal_retval esi_call_phys (void *, u64 *);
  24 extern int ia64_esi_call(efi_guid_t, struct ia64_sal_retval *,
  25                          enum esi_proc_type,
  26                          u64, u64, u64, u64, u64, u64, u64, u64);
  27 extern int ia64_esi_call_phys(efi_guid_t, struct ia64_sal_retval *, u64, u64,
  28                               u64, u64, u64, u64, u64, u64);
  29
  30 #endif /* esi_h */