LXR linux/include/asm-powerpc/firmware.h

   1/*
   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 */
  12#ifndef __ASM_POWERPC_FIRMWARE_H
  13#define __ASM_POWERPC_FIRMWARE_H
  14
  15#ifdef __KERNEL__
  16
  17#include <asm/asm-compat.h>
  18
  19/* firmware feature bitmask values */
  20#define FIRMWARE_MAX_FEATURES 63
  21
  22#define FW_FEATURE_PFT          ASM_CONST(0x0000000000000001)
  23#define FW_FEATURE_TCE          ASM_CONST(0x0000000000000002)
  24#define FW_FEATURE_SPRG0        ASM_CONST(0x0000000000000004)
  25#define FW_FEATURE_DABR         ASM_CONST(0x0000000000000008)
  26#define FW_FEATURE_COPY         ASM_CONST(0x0000000000000010)
  27#define FW_FEATURE_ASR          ASM_CONST(0x0000000000000020)
  28#define FW_FEATURE_DEBUG        ASM_CONST(0x0000000000000040)
  29#define FW_FEATURE_TERM         ASM_CONST(0x0000000000000080)
  30#define FW_FEATURE_PERF         ASM_CONST(0x0000000000000100)
  31#define FW_FEATURE_DUMP         ASM_CONST(0x0000000000000200)
  32#define FW_FEATURE_INTERRUPT    ASM_CONST(0x0000000000000400)
  33#define FW_FEATURE_MIGRATE      ASM_CONST(0x0000000000000800)
  34#define FW_FEATURE_PERFMON      ASM_CONST(0x0000000000001000)
  35#define FW_FEATURE_CRQ          ASM_CONST(0x0000000000002000)
  36#define FW_FEATURE_VIO          ASM_CONST(0x0000000000004000)
  37#define FW_FEATURE_RDMA         ASM_CONST(0x0000000000008000)
  38#define FW_FEATURE_LLAN         ASM_CONST(0x0000000000010000)
  39#define FW_FEATURE_BULK         ASM_CONST(0x0000000000020000)
  40#define FW_FEATURE_XDABR        ASM_CONST(0x0000000000040000)
  41#define FW_FEATURE_MULTITCE     ASM_CONST(0x0000000000080000)
  42#define FW_FEATURE_SPLPAR       ASM_CONST(0x0000000000100000)
  43#define FW_FEATURE_ISERIES      ASM_CONST(0x0000000000200000)
  44#define FW_FEATURE_LPAR         ASM_CONST(0x0000000000400000)
  45#define FW_FEATURE_PS3_LV1      ASM_CONST(0x0000000000800000)
  46#define FW_FEATURE_BEAT         ASM_CONST(0x0000000001000000)
  47#define FW_FEATURE_BULK_REMOVE  ASM_CONST(0x0000000002000000)
  48
  49#ifndef __ASSEMBLY__
  50
  51enum {
  52#ifdef CONFIG_PPC64
  53        FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
  54                FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
  55                FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
  56                FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
  57                FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
  58                FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
  59                FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
  60                FW_FEATURE_SPLPAR | FW_FEATURE_LPAR,
  61        FW_FEATURE_PSERIES_ALWAYS = 0,
  62        FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
  63        FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
  64        FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
  65        FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
  66        FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT,
  67        FW_FEATURE_CELLEB_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_BEAT,
  68        FW_FEATURE_NATIVE_POSSIBLE = 0,
  69        FW_FEATURE_NATIVE_ALWAYS = 0,
  70        FW_FEATURE_POSSIBLE =
  71#ifdef CONFIG_PPC_PSERIES
  72                FW_FEATURE_PSERIES_POSSIBLE |
  73#endif
  74#ifdef CONFIG_PPC_ISERIES
  75                FW_FEATURE_ISERIES_POSSIBLE |
  76#endif
  77#ifdef CONFIG_PPC_PS3
  78                FW_FEATURE_PS3_POSSIBLE |
  79#endif
  80#ifdef CONFIG_PPC_CELLEB
  81                FW_FEATURE_CELLEB_POSSIBLE |
  82#endif
  83#ifdef CONFIG_PPC_NATIVE
  84                FW_FEATURE_NATIVE_ALWAYS |
  85#endif
  86                0,
  87        FW_FEATURE_ALWAYS =
  88#ifdef CONFIG_PPC_PSERIES
  89                FW_FEATURE_PSERIES_ALWAYS &
  90#endif
  91#ifdef CONFIG_PPC_ISERIES
  92                FW_FEATURE_ISERIES_ALWAYS &
  93#endif
  94#ifdef CONFIG_PPC_PS3
  95                FW_FEATURE_PS3_ALWAYS &
  96#endif
  97#ifdef CONFIG_PPC_CELLEB
  98                FW_FEATURE_CELLEB_ALWAYS &
  99#endif
 100#ifdef CONFIG_PPC_NATIVE
 101                FW_FEATURE_NATIVE_ALWAYS &
 102#endif
 103                FW_FEATURE_POSSIBLE,
 104
 105#else /* CONFIG_PPC64 */
 106        FW_FEATURE_POSSIBLE = 0,
 107        FW_FEATURE_ALWAYS = 0,
 108#endif
 109};
 110
 111/* This is used to identify firmware features which are available
 112 * to the kernel.
 113 */
 114extern unsigned long    powerpc_firmware_features;
 115
 116#define firmware_has_feature(feature)                                   \
 117        ((FW_FEATURE_ALWAYS & (feature)) ||                             \
 118                (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
 119
 120extern void system_reset_fwnmi(void);
 121extern void machine_check_fwnmi(void);
 122
 123/* This is true if we are using the firmware NMI handler (typically LPAR) */
 124extern int fwnmi_active;
 125
 126extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
 127
 128#else /* __ASSEMBLY__ */
 129
 130#define BEGIN_FW_FTR_SECTION_NESTED(label)      label:
 131#define BEGIN_FW_FTR_SECTION                    BEGIN_FW_FTR_SECTION_NESTED(97)
 132#define END_FW_FTR_SECTION_NESTED(msk, val, label) \
 133        MAKE_FTR_SECTION_ENTRY(msk, val, label, __fw_ftr_fixup)
 134#define END_FW_FTR_SECTION(msk, val)            \
 135        END_FW_FTR_SECTION_NESTED(msk, val, 97)
 136
 137#define END_FW_FTR_SECTION_IFSET(msk)   END_FW_FTR_SECTION((msk), (msk))
 138#define END_FW_FTR_SECTION_IFCLR(msk)   END_FW_FTR_SECTION((msk), 0)
 139
 140#endif /* __ASSEMBLY__ */
 141#endif /* __KERNEL__ */
 142#endif /* __ASM_POWERPC_FIRMWARE_H */
 143