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 24typedef unsigned char geo_type_t; 25 26/* Fields common to all substructures */ 27typedef 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 */ 35typedef struct geo_node_s { 36 geo_common_t common; /* No additional fields needed */ 37} geo_node_t; 38 39typedef struct geo_rtr_s { 40 geo_common_t common; /* No additional fields needed */ 41} geo_rtr_t; 42 43typedef struct geo_iocntl_s { 44 geo_common_t common; /* No additional fields needed */ 45} geo_iocntl_t; 46 47typedef 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 */ 54typedef struct geo_cpu_s { 55 geo_node_t node; 56 char slice; /* Which CPU on the node */ 57} geo_cpu_t; 58 59typedef 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 66typedef 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 112static 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 118static 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 124static 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 130extern geoid_t cnodeid_get_geoid(cnodeid_t cnode); 131 132#endif /* _ASM_IA64_SN_GEO_H */ 133