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/*
* 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
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_FIRMWARE_H */
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