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
16enum 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
22extern struct ia64_sal_retval esi_call_phys (void *, u64 *);
23extern 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);
26extern 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 */
30