Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
[linux-2.6] / include / asm-powerpc / firmware.h
1 /*
2  *  Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
3  *
4  *  Modifications for ppc64:
5  *      Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
6  *
7  *  This program is free software; you can redistribute it and/or
8  *  modify it under the terms of the GNU General Public License
9  *  as published by the Free Software Foundation; either version
10  *  2 of the License, or (at your option) any later version.
11  */
12 #ifndef __ASM_POWERPC_FIRMWARE_H
13 #define __ASM_POWERPC_FIRMWARE_H
14
15 #ifdef __KERNEL__
16
17 #include <asm/asm-compat.h>
18 #include <asm/feature-fixups.h>
19
20 /* firmware feature bitmask values */
21 #define FIRMWARE_MAX_FEATURES 63
22
23 #define FW_FEATURE_PFT          ASM_CONST(0x0000000000000001)
24 #define FW_FEATURE_TCE          ASM_CONST(0x0000000000000002)
25 #define FW_FEATURE_SPRG0        ASM_CONST(0x0000000000000004)
26 #define FW_FEATURE_DABR         ASM_CONST(0x0000000000000008)
27 #define FW_FEATURE_COPY         ASM_CONST(0x0000000000000010)
28 #define FW_FEATURE_ASR          ASM_CONST(0x0000000000000020)
29 #define FW_FEATURE_DEBUG        ASM_CONST(0x0000000000000040)
30 #define FW_FEATURE_TERM         ASM_CONST(0x0000000000000080)
31 #define FW_FEATURE_PERF         ASM_CONST(0x0000000000000100)
32 #define FW_FEATURE_DUMP         ASM_CONST(0x0000000000000200)
33 #define FW_FEATURE_INTERRUPT    ASM_CONST(0x0000000000000400)
34 #define FW_FEATURE_MIGRATE      ASM_CONST(0x0000000000000800)
35 #define FW_FEATURE_PERFMON      ASM_CONST(0x0000000000001000)
36 #define FW_FEATURE_CRQ          ASM_CONST(0x0000000000002000)
37 #define FW_FEATURE_VIO          ASM_CONST(0x0000000000004000)
38 #define FW_FEATURE_RDMA         ASM_CONST(0x0000000000008000)
39 #define FW_FEATURE_LLAN         ASM_CONST(0x0000000000010000)
40 #define FW_FEATURE_BULK         ASM_CONST(0x0000000000020000)
41 #define FW_FEATURE_XDABR        ASM_CONST(0x0000000000040000)
42 #define FW_FEATURE_MULTITCE     ASM_CONST(0x0000000000080000)
43 #define FW_FEATURE_SPLPAR       ASM_CONST(0x0000000000100000)
44 #define FW_FEATURE_ISERIES      ASM_CONST(0x0000000000200000)
45 #define FW_FEATURE_LPAR         ASM_CONST(0x0000000000400000)
46 #define FW_FEATURE_PS3_LV1      ASM_CONST(0x0000000000800000)
47 #define FW_FEATURE_BEAT         ASM_CONST(0x0000000001000000)
48 #define FW_FEATURE_BULK_REMOVE  ASM_CONST(0x0000000002000000)
49 #define FW_FEATURE_CMO          ASM_CONST(0x0000000004000000)
50
51 #ifndef __ASSEMBLY__
52
53 enum {
54 #ifdef CONFIG_PPC64
55         FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
56                 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
57                 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
58                 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
59                 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
60                 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
61                 FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
62                 FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | FW_FEATURE_CMO,
63         FW_FEATURE_PSERIES_ALWAYS = 0,
64         FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
65         FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
66         FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
67         FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
68         FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT,
69         FW_FEATURE_CELLEB_ALWAYS = 0,
70         FW_FEATURE_NATIVE_POSSIBLE = 0,
71         FW_FEATURE_NATIVE_ALWAYS = 0,
72         FW_FEATURE_POSSIBLE =
73 #ifdef CONFIG_PPC_PSERIES
74                 FW_FEATURE_PSERIES_POSSIBLE |
75 #endif
76 #ifdef CONFIG_PPC_ISERIES
77                 FW_FEATURE_ISERIES_POSSIBLE |
78 #endif
79 #ifdef CONFIG_PPC_PS3
80                 FW_FEATURE_PS3_POSSIBLE |
81 #endif
82 #ifdef CONFIG_PPC_CELLEB
83                 FW_FEATURE_CELLEB_POSSIBLE |
84 #endif
85 #ifdef CONFIG_PPC_NATIVE
86                 FW_FEATURE_NATIVE_ALWAYS |
87 #endif
88                 0,
89         FW_FEATURE_ALWAYS =
90 #ifdef CONFIG_PPC_PSERIES
91                 FW_FEATURE_PSERIES_ALWAYS &
92 #endif
93 #ifdef CONFIG_PPC_ISERIES
94                 FW_FEATURE_ISERIES_ALWAYS &
95 #endif
96 #ifdef CONFIG_PPC_PS3
97                 FW_FEATURE_PS3_ALWAYS &
98 #endif
99 #ifdef CONFIG_PPC_CELLEB
100                 FW_FEATURE_CELLEB_ALWAYS &
101 #endif
102 #ifdef CONFIG_PPC_NATIVE
103                 FW_FEATURE_NATIVE_ALWAYS &
104 #endif
105                 FW_FEATURE_POSSIBLE,
106
107 #else /* CONFIG_PPC64 */
108         FW_FEATURE_POSSIBLE = 0,
109         FW_FEATURE_ALWAYS = 0,
110 #endif
111 };
112
113 /* This is used to identify firmware features which are available
114  * to the kernel.
115  */
116 extern unsigned long    powerpc_firmware_features;
117
118 #define firmware_has_feature(feature)                                   \
119         ((FW_FEATURE_ALWAYS & (feature)) ||                             \
120                 (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
121
122 extern void system_reset_fwnmi(void);
123 extern void machine_check_fwnmi(void);
124
125 /* This is true if we are using the firmware NMI handler (typically LPAR) */
126 extern int fwnmi_active;
127
128 extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
129
130 #endif /* __ASSEMBLY__ */
131 #endif /* __KERNEL__ */
132 #endif /* __ASM_POWERPC_FIRMWARE_H */