arch/ia64/include/asm/esi.h

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