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 */ 31