Commit | Line | Data |
---|---|---|
1ababe11 | 1 | /* |
1ababe11 SR |
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 | */ | |
21f35f28 ME |
12 | #ifndef __ASM_POWERPC_FIRMWARE_H |
13 | #define __ASM_POWERPC_FIRMWARE_H | |
1ababe11 SR |
14 | |
15 | #ifdef __KERNEL__ | |
16 | ||
17 | #ifndef __ASSEMBLY__ | |
18 | ||
19 | /* firmware feature bitmask values */ | |
20 | #define FIRMWARE_MAX_FEATURES 63 | |
21 | ||
22 | #define FW_FEATURE_PFT (1UL<<0) | |
23 | #define FW_FEATURE_TCE (1UL<<1) | |
24 | #define FW_FEATURE_SPRG0 (1UL<<2) | |
25 | #define FW_FEATURE_DABR (1UL<<3) | |
26 | #define FW_FEATURE_COPY (1UL<<4) | |
27 | #define FW_FEATURE_ASR (1UL<<5) | |
28 | #define FW_FEATURE_DEBUG (1UL<<6) | |
29 | #define FW_FEATURE_TERM (1UL<<7) | |
30 | #define FW_FEATURE_PERF (1UL<<8) | |
31 | #define FW_FEATURE_DUMP (1UL<<9) | |
32 | #define FW_FEATURE_INTERRUPT (1UL<<10) | |
33 | #define FW_FEATURE_MIGRATE (1UL<<11) | |
34 | #define FW_FEATURE_PERFMON (1UL<<12) | |
35 | #define FW_FEATURE_CRQ (1UL<<13) | |
36 | #define FW_FEATURE_VIO (1UL<<14) | |
37 | #define FW_FEATURE_RDMA (1UL<<15) | |
38 | #define FW_FEATURE_LLAN (1UL<<16) | |
39 | #define FW_FEATURE_BULK (1UL<<17) | |
40 | #define FW_FEATURE_XDABR (1UL<<18) | |
41 | #define FW_FEATURE_MULTITCE (1UL<<19) | |
42 | #define FW_FEATURE_SPLPAR (1UL<<20) | |
aed31351 | 43 | #define FW_FEATURE_ISERIES (1UL<<21) |
57cfb814 | 44 | #define FW_FEATURE_LPAR (1UL<<22) |
1ababe11 | 45 | |
8d15a3e5 | 46 | enum { |
799d6046 | 47 | #ifdef CONFIG_PPC64 |
aed31351 | 48 | FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | |
8d15a3e5 SR |
49 | FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | |
50 | FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | | |
51 | FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | | |
52 | FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | | |
53 | FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | | |
54 | FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | | |
57cfb814 | 55 | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR, |
aed31351 | 56 | FW_FEATURE_PSERIES_ALWAYS = 0, |
57cfb814 ME |
57 | FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, |
58 | FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, | |
8d15a3e5 SR |
59 | FW_FEATURE_POSSIBLE = |
60 | #ifdef CONFIG_PPC_PSERIES | |
aed31351 SR |
61 | FW_FEATURE_PSERIES_POSSIBLE | |
62 | #endif | |
63 | #ifdef CONFIG_PPC_ISERIES | |
64 | FW_FEATURE_ISERIES_POSSIBLE | | |
8d15a3e5 SR |
65 | #endif |
66 | 0, | |
aed31351 SR |
67 | FW_FEATURE_ALWAYS = |
68 | #ifdef CONFIG_PPC_PSERIES | |
69 | FW_FEATURE_PSERIES_ALWAYS & | |
70 | #endif | |
71 | #ifdef CONFIG_PPC_ISERIES | |
72 | FW_FEATURE_ISERIES_ALWAYS & | |
73 | #endif | |
74 | FW_FEATURE_POSSIBLE, | |
799d6046 PM |
75 | |
76 | #else /* CONFIG_PPC64 */ | |
77 | FW_FEATURE_POSSIBLE = 0, | |
78 | FW_FEATURE_ALWAYS = 0, | |
79 | #endif | |
8d15a3e5 SR |
80 | }; |
81 | ||
1ababe11 SR |
82 | /* This is used to identify firmware features which are available |
83 | * to the kernel. | |
84 | */ | |
85 | extern unsigned long ppc64_firmware_features; | |
86 | ||
87 | static inline unsigned long firmware_has_feature(unsigned long feature) | |
88 | { | |
aed31351 SR |
89 | return (FW_FEATURE_ALWAYS & feature) || |
90 | (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature); | |
1ababe11 SR |
91 | } |
92 | ||
8c4f1f29 ME |
93 | extern void system_reset_fwnmi(void); |
94 | extern void machine_check_fwnmi(void); | |
95 | ||
96 | /* This is true if we are using the firmware NMI handler (typically LPAR) */ | |
97 | extern int fwnmi_active; | |
98 | ||
1ababe11 SR |
99 | #endif /* __ASSEMBLY__ */ |
100 | #endif /* __KERNEL__ */ | |
21f35f28 | 101 | #endif /* __ASM_POWERPC_FIRMWARE_H */ |