/* * 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 */