arch/ia64/include/asm/sn/geo.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
   7  */
   8
   9 #ifndef _ASM_IA64_SN_GEO_H
  10 #define _ASM_IA64_SN_GEO_H
  11
  12 /* The geoid_t implementation below is based loosely on the pcfg_t
  13    implementation in sys/SN/promcfg.h. */
  14
  15 /* Type declaractions */
  16
  17 /* Size of a geoid_t structure (must be before decl. of geoid_u) */
  18 #define GEOID_SIZE      8       /* Would 16 be better?  The size can
  19                                    be different on different platforms. */
  20
  21 #define MAX_SLOTS       0xf     /* slots per module */
  22 #define MAX_SLABS       0xf     /* slabs per slot */
  23
  24 typedef unsigned char   geo_type_t;
  25
  26 /* Fields common to all substructures */
  27 typedef struct geo_common_s {
  28     moduleid_t  module;         /* The module (box) this h/w lives in */
  29     geo_type_t  type;           /* What type of h/w is named by this geoid_t */
  30     slabid_t    slab:4;         /* slab (ASIC), 0 .. 15 within slot */
  31     slotid_t    slot:4;         /* slot (Blade), 0 .. 15 within module */
  32 } geo_common_t;
  33
  34 /* Additional fields for particular types of hardware */
  35 typedef struct geo_node_s {
  36     geo_common_t        common;         /* No additional fields needed */
  37 } geo_node_t;
  38
  39 typedef struct geo_rtr_s {
  40     geo_common_t        common;         /* No additional fields needed */
  41 } geo_rtr_t;
  42
  43 typedef struct geo_iocntl_s {
  44     geo_common_t        common;         /* No additional fields needed */
  45 } geo_iocntl_t;
  46
  47 typedef struct geo_pcicard_s {
  48     geo_iocntl_t        common;
  49     char                bus;    /* Bus/widget number */
  50     char                slot;   /* PCI slot number */
  51 } geo_pcicard_t;
  52
  53 /* Subcomponents of a node */
  54 typedef struct geo_cpu_s {
  55     geo_node_t  node;
  56     char        slice;          /* Which CPU on the node */
  57 } geo_cpu_t;
  58
  59 typedef struct geo_mem_s {
  60     geo_node_t  node;
  61     char        membus;         /* The memory bus on the node */
  62     char        memslot;        /* The memory slot on the bus */
  63 } geo_mem_t;
  64
  65
  66 typedef union geoid_u {
  67     geo_common_t        common;
  68     geo_node_t          node;
  69     geo_iocntl_t        iocntl;
  70     geo_pcicard_t       pcicard;
  71     geo_rtr_t           rtr;
  72     geo_cpu_t           cpu;
  73     geo_mem_t           mem;
  74     char                padsize[GEOID_SIZE];
  75 } geoid_t;
  76
  77
  78 /* Preprocessor macros */
  79
  80 #define GEO_MAX_LEN     48      /* max. formatted length, plus some pad:
  81                                    module/001c07/slab/5/node/memory/2/slot/4 */
  82
  83 /* Values for geo_type_t */
  84 #define GEO_TYPE_INVALID        0
  85 #define GEO_TYPE_MODULE         1
  86 #define GEO_TYPE_NODE           2
  87 #define GEO_TYPE_RTR            3
  88 #define GEO_TYPE_IOCNTL         4
  89 #define GEO_TYPE_IOCARD         5
  90 #define GEO_TYPE_CPU            6
  91 #define GEO_TYPE_MEM            7
  92 #define GEO_TYPE_MAX            (GEO_TYPE_MEM+1)
  93
  94 /* Parameter for hwcfg_format_geoid_compt() */
  95 #define GEO_COMPT_MODULE        1
  96 #define GEO_COMPT_SLAB          2
  97 #define GEO_COMPT_IOBUS         3
  98 #define GEO_COMPT_IOSLOT        4
  99 #define GEO_COMPT_CPU           5
 100 #define GEO_COMPT_MEMBUS        6
 101 #define GEO_COMPT_MEMSLOT       7
 102
 103 #define GEO_INVALID_STR         "<invalid>"
 104
 105 #define INVALID_NASID           ((nasid_t)-1)
 106 #define INVALID_CNODEID         ((cnodeid_t)-1)
 107 #define INVALID_PNODEID         ((pnodeid_t)-1)
 108 #define INVALID_SLAB            (slabid_t)-1
 109 #define INVALID_SLOT            (slotid_t)-1
 110 #define INVALID_MODULE          ((moduleid_t)-1)
 111
 112 static inline slabid_t geo_slab(geoid_t g)
 113 {
 114         return (g.common.type == GEO_TYPE_INVALID) ?
 115                 INVALID_SLAB : g.common.slab;
 116 }
 117
 118 static inline slotid_t geo_slot(geoid_t g)
 119 {
 120         return (g.common.type == GEO_TYPE_INVALID) ?
 121                 INVALID_SLOT : g.common.slot;
 122 }
 123
 124 static inline moduleid_t geo_module(geoid_t g)
 125 {
 126         return (g.common.type == GEO_TYPE_INVALID) ?
 127                 INVALID_MODULE : g.common.module;
 128 }
 129
 130 extern geoid_t cnodeid_get_geoid(cnodeid_t cnode);
 131
 132 #endif /* _ASM_IA64_SN_GEO_H */