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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | /* * acpi_numa.c - ACPI NUMA support * * Copyright (C) 2002 Takayoshi Kochi <t-kochi@bq.jp.nec.com> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * */ #include <linux/config.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/acpi.h> #include <acpi/acpi_bus.h> extern int __init acpi_table_parse_madt_family (enum acpi_table_id id, unsigned long madt_size, int entry_id, acpi_madt_entry_handler handler); void __init acpi_table_print_srat_entry ( acpi_table_entry_header *header) { if (!header) return; switch (header->type) { case ACPI_SRAT_PROCESSOR_AFFINITY: { struct acpi_table_processor_affinity *p = (struct acpi_table_processor_affinity*) header; printk(KERN_INFO PREFIX "SRAT Processor (id[0x%02x] eid[0x%02x]) in proximity domain %d %s\n", p->apic_id, p->lsapic_eid, p->proximity_domain, p->flags.enabled?"enabled":"disabled"); } break; case ACPI_SRAT_MEMORY_AFFINITY: { struct acpi_table_memory_affinity *p = (struct acpi_table_memory_affinity*) header; printk(KERN_INFO PREFIX "SRAT Memory (0x%08x%08x length 0x%08x%08x type 0x%x) in proximity domain %d %s%s\n", p->base_addr_hi, p->base_addr_lo, p->length_hi, p->length_lo, p->memory_type, p->proximity_domain, p->flags.enabled ? "enabled" : "disabled", p->flags.hot_pluggable ? " hot-pluggable" : ""); } break; default: printk(KERN_WARNING PREFIX "Found unsupported SRAT entry (type = 0x%x)\n", header->type); break; } } static int __init acpi_parse_slit (unsigned long phys_addr, unsigned long size) { struct acpi_table_slit *slit; u32 localities; if (!phys_addr || !size) return -EINVAL; slit = (struct acpi_table_slit *) __va(phys_addr); /* downcast just for %llu vs %lu for i386/ia64 */ localities = (u32) slit->localities; printk(KERN_INFO PREFIX "SLIT localities %ux%u\n", localities, localities); acpi_numa_slit_init(slit); return 0; } static int __init acpi_parse_processor_affinity (acpi_table_entry_header *header) { struct acpi_table_processor_affinity *processor_affinity = NULL; processor_affinity = (struct acpi_table_processor_affinity*) header; if (!processor_affinity) return -EINVAL; acpi_table_print_srat_entry(header); /* let architecture-dependent part to do it */ acpi_numa_processor_affinity_init(processor_affinity); return 0; } static int __init acpi_parse_memory_affinity (acpi_table_entry_header *header) { struct acpi_table_memory_affinity *memory_affinity = NULL; memory_affinity = (struct acpi_table_memory_affinity*) header; if (!memory_affinity) return -EINVAL; acpi_table_print_srat_entry(header); /* let architecture-dependent part to do it */ acpi_numa_memory_affinity_init(memory_affinity); return 0; } static int __init acpi_parse_srat (unsigned long phys_addr, unsigned long size) { struct acpi_table_srat *srat = NULL; if (!phys_addr || !size) return -EINVAL; srat = (struct acpi_table_srat *) __va(phys_addr); printk(KERN_INFO PREFIX "SRAT revision %d\n", srat->table_revision); return 0; } int __init acpi_table_parse_srat ( enum acpi_srat_entry_id id, acpi_madt_entry_handler handler) { return acpi_table_parse_madt_family(ACPI_SRAT, sizeof(struct acpi_table_srat), id, handler); } int __init acpi_numa_init() { int result; /* SRAT: Static Resource Affinity Table */ result = acpi_table_parse(ACPI_SRAT, acpi_parse_srat); if (result > 0) { result = acpi_table_parse_srat(ACPI_SRAT_PROCESSOR_AFFINITY, acpi_parse_processor_affinity); result = acpi_table_parse_srat(ACPI_SRAT_MEMORY_AFFINITY, acpi_parse_memory_affinity); } else { /* FIXME */ printk("Warning: acpi_table_parse(ACPI_SRAT) returned %d!\n",result); } /* SLIT: System Locality Information Table */ result = acpi_table_parse(ACPI_SLIT, acpi_parse_slit); if (result < 1) { /* FIXME */ printk("Warning: acpi_table_parse(ACPI_SLIT) returned %d!\n",result); } acpi_numa_arch_fixup(); return 0; } |