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Diffstat (limited to 'include/asm-powerpc/firmware.h')
| -rw-r--r-- | include/asm-powerpc/firmware.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h new file mode 100644 index 000000000000..806c142ae9ea --- /dev/null +++ b/include/asm-powerpc/firmware.h @@ -0,0 +1,97 @@ +/* + * 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 { + 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, +}; + +/* 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 + +#endif /* __ASSEMBLY__ */ +#endif /* __KERNEL__ */ +#endif /* __ASM_POWERPC_FIRMWARE_H */ |
