6e336e0978b16336d135fbcfe9fa8ac6a3f2d230
[~shefty/rdma-dev.git] / arch / powerpc / include / asm / 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
22 #define FW_FEATURE_PFT          ASM_CONST(0x0000000000000001)
23 #define FW_FEATURE_TCE          ASM_CONST(0x0000000000000002)
24 #define FW_FEATURE_SPRG0        ASM_CONST(0x0000000000000004)
25 #define FW_FEATURE_DABR         ASM_CONST(0x0000000000000008)
26 #define FW_FEATURE_COPY         ASM_CONST(0x0000000000000010)
27 #define FW_FEATURE_ASR          ASM_CONST(0x0000000000000020)
28 #define FW_FEATURE_DEBUG        ASM_CONST(0x0000000000000040)
29 #define FW_FEATURE_TERM         ASM_CONST(0x0000000000000080)
30 #define FW_FEATURE_PERF         ASM_CONST(0x0000000000000100)
31 #define FW_FEATURE_DUMP         ASM_CONST(0x0000000000000200)
32 #define FW_FEATURE_INTERRUPT    ASM_CONST(0x0000000000000400)
33 #define FW_FEATURE_MIGRATE      ASM_CONST(0x0000000000000800)
34 #define FW_FEATURE_PERFMON      ASM_CONST(0x0000000000001000)
35 #define FW_FEATURE_CRQ          ASM_CONST(0x0000000000002000)
36 #define FW_FEATURE_VIO          ASM_CONST(0x0000000000004000)
37 #define FW_FEATURE_RDMA         ASM_CONST(0x0000000000008000)
38 #define FW_FEATURE_LLAN         ASM_CONST(0x0000000000010000)
39 #define FW_FEATURE_BULK_REMOVE  ASM_CONST(0x0000000000020000)
40 #define FW_FEATURE_XDABR        ASM_CONST(0x0000000000040000)
41 #define FW_FEATURE_MULTITCE     ASM_CONST(0x0000000000080000)
42 #define FW_FEATURE_SPLPAR       ASM_CONST(0x0000000000100000)
43 #define FW_FEATURE_LPAR         ASM_CONST(0x0000000000400000)
44 #define FW_FEATURE_PS3_LV1      ASM_CONST(0x0000000000800000)
45 #define FW_FEATURE_BEAT         ASM_CONST(0x0000000001000000)
46 #define FW_FEATURE_CMO          ASM_CONST(0x0000000002000000)
47 #define FW_FEATURE_VPHN         ASM_CONST(0x0000000004000000)
48 #define FW_FEATURE_XCMO         ASM_CONST(0x0000000008000000)
49 #define FW_FEATURE_OPAL         ASM_CONST(0x0000000010000000)
50 #define FW_FEATURE_OPALv2       ASM_CONST(0x0000000020000000)
51 #define FW_FEATURE_SET_MODE     ASM_CONST(0x0000000040000000)
52 #define FW_FEATURE_BEST_ENERGY  ASM_CONST(0x0000000080000000)
53 #define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)
54
55 #ifndef __ASSEMBLY__
56
57 enum {
58 #ifdef CONFIG_PPC64
59         FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
60                 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
61                 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
62                 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
63                 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
64                 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
65                 FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
66                 FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
67                 FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
68                 FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
69                 FW_FEATURE_TYPE1_AFFINITY,
70         FW_FEATURE_PSERIES_ALWAYS = 0,
71         FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2,
72         FW_FEATURE_POWERNV_ALWAYS = 0,
73         FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
74         FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
75         FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT,
76         FW_FEATURE_CELLEB_ALWAYS = 0,
77         FW_FEATURE_NATIVE_POSSIBLE = 0,
78         FW_FEATURE_NATIVE_ALWAYS = 0,
79         FW_FEATURE_POSSIBLE =
80 #ifdef CONFIG_PPC_PSERIES
81                 FW_FEATURE_PSERIES_POSSIBLE |
82 #endif
83 #ifdef CONFIG_PPC_POWERNV
84                 FW_FEATURE_POWERNV_POSSIBLE |
85 #endif
86 #ifdef CONFIG_PPC_PS3
87                 FW_FEATURE_PS3_POSSIBLE |
88 #endif
89 #ifdef CONFIG_PPC_CELLEB
90                 FW_FEATURE_CELLEB_POSSIBLE |
91 #endif
92 #ifdef CONFIG_PPC_NATIVE
93                 FW_FEATURE_NATIVE_ALWAYS |
94 #endif
95                 0,
96         FW_FEATURE_ALWAYS =
97 #ifdef CONFIG_PPC_PSERIES
98                 FW_FEATURE_PSERIES_ALWAYS &
99 #endif
100 #ifdef CONFIG_PPC_POWERNV
101                 FW_FEATURE_POWERNV_ALWAYS &
102 #endif
103 #ifdef CONFIG_PPC_PS3
104                 FW_FEATURE_PS3_ALWAYS &
105 #endif
106 #ifdef CONFIG_PPC_CELLEB
107                 FW_FEATURE_CELLEB_ALWAYS &
108 #endif
109 #ifdef CONFIG_PPC_NATIVE
110                 FW_FEATURE_NATIVE_ALWAYS &
111 #endif
112                 FW_FEATURE_POSSIBLE,
113
114 #else /* CONFIG_PPC64 */
115         FW_FEATURE_POSSIBLE = 0,
116         FW_FEATURE_ALWAYS = 0,
117 #endif
118 };
119
120 /* This is used to identify firmware features which are available
121  * to the kernel.
122  */
123 extern unsigned long    powerpc_firmware_features;
124
125 #define firmware_has_feature(feature)                                   \
126         ((FW_FEATURE_ALWAYS & (feature)) ||                             \
127                 (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
128
129 extern void system_reset_fwnmi(void);
130 extern void machine_check_fwnmi(void);
131
132 /* This is true if we are using the firmware NMI handler (typically LPAR) */
133 extern int fwnmi_active;
134
135 extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
136
137 #endif /* __ASSEMBLY__ */
138 #endif /* __KERNEL__ */
139 #endif /* __ASM_POWERPC_FIRMWARE_H */