| /* |
| * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) |
| * |
| * Modifications for ppc64: |
| * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| #ifndef __ASM_POWERPC_FIRMWARE_H |
| #define __ASM_POWERPC_FIRMWARE_H |
| |
| #ifdef __KERNEL__ |
| |
| #ifndef __ASSEMBLY__ |
| |
| /* firmware feature bitmask values */ |
| #define FIRMWARE_MAX_FEATURES 63 |
| |
| #define FW_FEATURE_PFT (1UL<<0) |
| #define FW_FEATURE_TCE (1UL<<1) |
| #define FW_FEATURE_SPRG0 (1UL<<2) |
| #define FW_FEATURE_DABR (1UL<<3) |
| #define FW_FEATURE_COPY (1UL<<4) |
| #define FW_FEATURE_ASR (1UL<<5) |
| #define FW_FEATURE_DEBUG (1UL<<6) |
| #define FW_FEATURE_TERM (1UL<<7) |
| #define FW_FEATURE_PERF (1UL<<8) |
| #define FW_FEATURE_DUMP (1UL<<9) |
| #define FW_FEATURE_INTERRUPT (1UL<<10) |
| #define FW_FEATURE_MIGRATE (1UL<<11) |
| #define FW_FEATURE_PERFMON (1UL<<12) |
| #define FW_FEATURE_CRQ (1UL<<13) |
| #define FW_FEATURE_VIO (1UL<<14) |
| #define FW_FEATURE_RDMA (1UL<<15) |
| #define FW_FEATURE_LLAN (1UL<<16) |
| #define FW_FEATURE_BULK (1UL<<17) |
| #define FW_FEATURE_XDABR (1UL<<18) |
| #define FW_FEATURE_MULTITCE (1UL<<19) |
| #define FW_FEATURE_SPLPAR (1UL<<20) |
| #define FW_FEATURE_ISERIES (1UL<<21) |
| |
| enum { |
| #ifdef CONFIG_PPC64 |
| FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE | |
| FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY | |
| FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM | |
| FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | |
| FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | |
| FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | |
| FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | |
| FW_FEATURE_SPLPAR, |
| FW_FEATURE_PSERIES_ALWAYS = 0, |
| FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES, |
| FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES, |
| FW_FEATURE_POSSIBLE = |
| #ifdef CONFIG_PPC_PSERIES |
| FW_FEATURE_PSERIES_POSSIBLE | |
| #endif |
| #ifdef CONFIG_PPC_ISERIES |
| FW_FEATURE_ISERIES_POSSIBLE | |
| #endif |
| 0, |
| FW_FEATURE_ALWAYS = |
| #ifdef CONFIG_PPC_PSERIES |
| FW_FEATURE_PSERIES_ALWAYS & |
| #endif |
| #ifdef CONFIG_PPC_ISERIES |
| FW_FEATURE_ISERIES_ALWAYS & |
| #endif |
| FW_FEATURE_POSSIBLE, |
| |
| #else /* CONFIG_PPC64 */ |
| FW_FEATURE_POSSIBLE = 0, |
| FW_FEATURE_ALWAYS = 0, |
| #endif |
| }; |
| |
| /* This is used to identify firmware features which are available |
| * to the kernel. |
| */ |
| extern unsigned long ppc64_firmware_features; |
| |
| static inline unsigned long firmware_has_feature(unsigned long feature) |
| { |
| return (FW_FEATURE_ALWAYS & feature) || |
| (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature); |
| } |
| |
| #ifdef CONFIG_PPC_PSERIES |
| typedef struct { |
| unsigned long val; |
| char * name; |
| } firmware_feature_t; |
| |
| extern firmware_feature_t firmware_features_table[]; |
| #endif |
| |
| extern void system_reset_fwnmi(void); |
| extern void machine_check_fwnmi(void); |
| |
| /* This is true if we are using the firmware NMI handler (typically LPAR) */ |
| extern int fwnmi_active; |
| |
| #endif /* __ASSEMBLY__ */ |
| #endif /* __KERNEL__ */ |
| #endif /* __ASM_POWERPC_FIRMWARE_H */ |