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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 */
30