include/asm-ia64/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, 2000-2004 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_SLABS       0xe     /* slabs per module */
  22
  23 typedef unsigned char   geo_type_t;
  24
  25 /* Fields common to all substructures */
  26 typedef struct geo_any_s {
  27     moduleid_t  module;         /* The module (box) this h/w lives in */
  28     geo_type_t  type;           /* What type of h/w is named by this geoid_t */
  29     slabid_t    slab;           /* The logical assembly within the module */
  30 } geo_any_t;
  31
  32 /* Additional fields for particular types of hardware */
  33 typedef struct geo_node_s {
  34     geo_any_t   any;            /* No additional fields needed */
  35 } geo_node_t;
  36
  37 typedef struct geo_rtr_s {
  38     geo_any_t   any;            /* No additional fields needed */
  39 } geo_rtr_t;
  40
  41 typedef struct geo_iocntl_s {
  42     geo_any_t   any;            /* No additional fields needed */
  43 } geo_iocntl_t;
  44
  45 typedef struct geo_pcicard_s {
  46     geo_iocntl_t        any;
  47     char                bus;    /* Bus/widget number */
  48     char                slot;   /* PCI slot number */
  49 } geo_pcicard_t;
  50
  51 /* Subcomponents of a node */
  52 typedef struct geo_cpu_s {
  53     geo_node_t  node;
  54     char        slice;          /* Which CPU on the node */
  55 } geo_cpu_t;
  56
  57 typedef struct geo_mem_s {
  58     geo_node_t  node;
  59     char        membus;         /* The memory bus on the node */
  60     char        memslot;        /* The memory slot on the bus */
  61 } geo_mem_t;
  62
  63
  64 typedef union geoid_u {
  65     geo_any_t   any;
  66     geo_node_t  node;
  67     geo_iocntl_t        iocntl;
  68     geo_pcicard_t       pcicard;
  69     geo_rtr_t   rtr;
  70     geo_cpu_t   cpu;
  71     geo_mem_t   mem;
  72     char        padsize[GEOID_SIZE];
  73 } geoid_t;
  74
  75
  76 /* Preprocessor macros */
  77
  78 #define GEO_MAX_LEN     48      /* max. formatted length, plus some pad:
  79                                    module/001c07/slab/5/node/memory/2/slot/4 */
  80
  81 /* Values for geo_type_t */
  82 #define GEO_TYPE_INVALID        0
  83 #define GEO_TYPE_MODULE         1
  84 #define GEO_TYPE_NODE           2
  85 #define GEO_TYPE_RTR            3
  86 #define GEO_TYPE_IOCNTL         4
  87 #define GEO_TYPE_IOCARD         5
  88 #define GEO_TYPE_CPU            6
  89 #define GEO_TYPE_MEM            7
  90 #define GEO_TYPE_MAX            (GEO_TYPE_MEM+1)
  91
  92 /* Parameter for hwcfg_format_geoid_compt() */
  93 #define GEO_COMPT_MODULE        1
  94 #define GEO_COMPT_SLAB          2
  95 #define GEO_COMPT_IOBUS         3
  96 #define GEO_COMPT_IOSLOT        4
  97 #define GEO_COMPT_CPU           5
  98 #define GEO_COMPT_MEMBUS        6
  99 #define GEO_COMPT_MEMSLOT       7
 100
 101 #define GEO_INVALID_STR         "<invalid>"
 102
 103 #define INVALID_NASID           ((nasid_t)-1)
 104 #define INVALID_CNODEID         ((cnodeid_t)-1)
 105 #define INVALID_PNODEID         ((pnodeid_t)-1)
 106 #define INVALID_SLAB            (slabid_t)-1
 107 #define INVALID_MODULE          ((moduleid_t)-1)
 108 #define INVALID_PARTID          ((partid_t)-1)
 109
 110 static inline slabid_t geo_slab(geoid_t g)
 111 {
 112         return (g.any.type == GEO_TYPE_INVALID) ?
 113                 INVALID_SLAB : g.any.slab;
 114 }
 115
 116 static inline moduleid_t geo_module(geoid_t g)
 117 {
 118         return (g.any.type == GEO_TYPE_INVALID) ?
 119                 INVALID_MODULE : g.any.module;
 120 }
 121
 122 extern geoid_t cnodeid_get_geoid(cnodeid_t cnode);
 123
 124 #endif /* _ASM_IA64_SN_GEO_H */