include/asm-ppc64/firmware.h

   1 /*
   2  *  include/asm-ppc64/firmware.h
   3  *
   4  *  Extracted from include/asm-ppc64/cputable.h
   5  *
   6  *  Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
   7  *
   8  *  Modifications for ppc64:
   9  *      Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
  10  *
  11  *  This program is free software; you can redistribute it and/or
  12  *  modify it under the terms of the GNU General Public License
  13  *  as published by the Free Software Foundation; either version
  14  *  2 of the License, or (at your option) any later version.
  15  */
  16 #ifndef __ASM_PPC_FIRMWARE_H
  17 #define __ASM_PPC_FIRMWARE_H
  18
  19 #ifdef __KERNEL__
  20
  21 #ifndef __ASSEMBLY__
  22
  23 /* firmware feature bitmask values */
  24 #define FIRMWARE_MAX_FEATURES 63
  25
  26 #define FW_FEATURE_PFT          (1UL<<0)
  27 #define FW_FEATURE_TCE          (1UL<<1)
  28 #define FW_FEATURE_SPRG0        (1UL<<2)
  29 #define FW_FEATURE_DABR         (1UL<<3)
  30 #define FW_FEATURE_COPY         (1UL<<4)
  31 #define FW_FEATURE_ASR          (1UL<<5)
  32 #define FW_FEATURE_DEBUG        (1UL<<6)
  33 #define FW_FEATURE_TERM         (1UL<<7)
  34 #define FW_FEATURE_PERF         (1UL<<8)
  35 #define FW_FEATURE_DUMP         (1UL<<9)
  36 #define FW_FEATURE_INTERRUPT    (1UL<<10)
  37 #define FW_FEATURE_MIGRATE      (1UL<<11)
  38 #define FW_FEATURE_PERFMON      (1UL<<12)
  39 #define FW_FEATURE_CRQ          (1UL<<13)
  40 #define FW_FEATURE_VIO          (1UL<<14)
  41 #define FW_FEATURE_RDMA         (1UL<<15)
  42 #define FW_FEATURE_LLAN         (1UL<<16)
  43 #define FW_FEATURE_BULK         (1UL<<17)
  44 #define FW_FEATURE_XDABR        (1UL<<18)
  45 #define FW_FEATURE_MULTITCE     (1UL<<19)
  46 #define FW_FEATURE_SPLPAR       (1UL<<20)
  47 #define FW_FEATURE_ISERIES      (1UL<<21)
  48
  49 enum {
  50         FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
  51                 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
  52                 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
  53                 FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
  54                 FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
  55                 FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
  56                 FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
  57                 FW_FEATURE_SPLPAR,
  58         FW_FEATURE_PSERIES_ALWAYS = 0,
  59         FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES,
  60         FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES,
  61         FW_FEATURE_POSSIBLE =
  62 #ifdef CONFIG_PPC_PSERIES
  63                 FW_FEATURE_PSERIES_POSSIBLE |
  64 #endif
  65 #ifdef CONFIG_PPC_ISERIES
  66                 FW_FEATURE_ISERIES_POSSIBLE |
  67 #endif
  68                 0,
  69         FW_FEATURE_ALWAYS =
  70 #ifdef CONFIG_PPC_PSERIES
  71                 FW_FEATURE_PSERIES_ALWAYS &
  72 #endif
  73 #ifdef CONFIG_PPC_ISERIES
  74                 FW_FEATURE_ISERIES_ALWAYS &
  75 #endif
  76                 FW_FEATURE_POSSIBLE,
  77 };
  78
  79 /* This is used to identify firmware features which are available
  80  * to the kernel.
  81  */
  82 extern unsigned long    ppc64_firmware_features;
  83
  84 static inline unsigned long firmware_has_feature(unsigned long feature)
  85 {
  86         return (FW_FEATURE_ALWAYS & feature) ||
  87                 (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature);
  88 }
  89
  90 #ifdef CONFIG_PPC_PSERIES
  91 typedef struct {
  92     unsigned long val;
  93     char * name;
  94 } firmware_feature_t;
  95
  96 extern firmware_feature_t firmware_features_table[];
  97 #endif
  98
  99 #endif /* __ASSEMBLY__ */
 100 #endif /* __KERNEL__ */
 101 #endif /* __ASM_PPC_FIRMWARE_H */