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Diffstat (limited to 'arch/i386/kernel/srat.c')
-rw-r--r--arch/i386/kernel/srat.c84
1 files changed, 41 insertions, 43 deletions
diff --git a/arch/i386/kernel/srat.c b/arch/i386/kernel/srat.c
index f7e735c077c3..2a8713ec0f9a 100644
--- a/arch/i386/kernel/srat.c
+++ b/arch/i386/kernel/srat.c
@@ -62,19 +62,19 @@ extern void * boot_ioremap(unsigned long, unsigned long);
62/* Identify CPU proximity domains */ 62/* Identify CPU proximity domains */
63static void __init parse_cpu_affinity_structure(char *p) 63static void __init parse_cpu_affinity_structure(char *p)
64{ 64{
65 struct acpi_table_processor_affinity *cpu_affinity = 65 struct acpi_srat_cpu_affinity *cpu_affinity =
66 (struct acpi_table_processor_affinity *) p; 66 (struct acpi_srat_cpu_affinity *) p;
67 67
68 if (!cpu_affinity->flags.enabled) 68 if ((cpu_affinity->flags & ACPI_SRAT_CPU_ENABLED) == 0)
69 return; /* empty entry */ 69 return; /* empty entry */
70 70
71 /* mark this node as "seen" in node bitmap */ 71 /* mark this node as "seen" in node bitmap */
72 BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain); 72 BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain_lo);
73 73
74 apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain; 74 apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain_lo;
75 75
76 printk("CPU 0x%02X in proximity domain 0x%02X\n", 76 printk("CPU 0x%02X in proximity domain 0x%02X\n",
77 cpu_affinity->apic_id, cpu_affinity->proximity_domain); 77 cpu_affinity->apic_id, cpu_affinity->proximity_domain_lo);
78} 78}
79 79
80/* 80/*
@@ -84,28 +84,27 @@ static void __init parse_cpu_affinity_structure(char *p)
84static void __init parse_memory_affinity_structure (char *sratp) 84static void __init parse_memory_affinity_structure (char *sratp)
85{ 85{
86 unsigned long long paddr, size; 86 unsigned long long paddr, size;
87 unsigned long start_pfn, end_pfn; 87 unsigned long start_pfn, end_pfn;
88 u8 pxm; 88 u8 pxm;
89 struct node_memory_chunk_s *p, *q, *pend; 89 struct node_memory_chunk_s *p, *q, *pend;
90 struct acpi_table_memory_affinity *memory_affinity = 90 struct acpi_srat_mem_affinity *memory_affinity =
91 (struct acpi_table_memory_affinity *) sratp; 91 (struct acpi_srat_mem_affinity *) sratp;
92 92
93 if (!memory_affinity->flags.enabled) 93 if ((memory_affinity->flags & ACPI_SRAT_MEM_ENABLED) == 0)
94 return; /* empty entry */ 94 return; /* empty entry */
95 95
96 pxm = memory_affinity->proximity_domain & 0xff;
97
96 /* mark this node as "seen" in node bitmap */ 98 /* mark this node as "seen" in node bitmap */
97 BMAP_SET(pxm_bitmap, memory_affinity->proximity_domain); 99 BMAP_SET(pxm_bitmap, pxm);
98 100
99 /* calculate info for memory chunk structure */ 101 /* calculate info for memory chunk structure */
100 paddr = memory_affinity->base_addr_hi; 102 paddr = memory_affinity->base_address;
101 paddr = (paddr << 32) | memory_affinity->base_addr_lo; 103 size = memory_affinity->length;
102 size = memory_affinity->length_hi; 104
103 size = (size << 32) | memory_affinity->length_lo;
104
105 start_pfn = paddr >> PAGE_SHIFT; 105 start_pfn = paddr >> PAGE_SHIFT;
106 end_pfn = (paddr + size) >> PAGE_SHIFT; 106 end_pfn = (paddr + size) >> PAGE_SHIFT;
107 107
108 pxm = memory_affinity->proximity_domain;
109 108
110 if (num_memory_chunks >= MAXCHUNKS) { 109 if (num_memory_chunks >= MAXCHUNKS) {
111 printk("Too many mem chunks in SRAT. Ignoring %lld MBytes at %llx\n", 110 printk("Too many mem chunks in SRAT. Ignoring %lld MBytes at %llx\n",
@@ -132,8 +131,8 @@ static void __init parse_memory_affinity_structure (char *sratp)
132 printk("Memory range 0x%lX to 0x%lX (type 0x%X) in proximity domain 0x%02X %s\n", 131 printk("Memory range 0x%lX to 0x%lX (type 0x%X) in proximity domain 0x%02X %s\n",
133 start_pfn, end_pfn, 132 start_pfn, end_pfn,
134 memory_affinity->memory_type, 133 memory_affinity->memory_type,
135 memory_affinity->proximity_domain, 134 pxm,
136 (memory_affinity->flags.hot_pluggable ? 135 ((memory_affinity->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) ?
137 "enabled and removable" : "enabled" ) ); 136 "enabled and removable" : "enabled" ) );
138} 137}
139 138
@@ -185,10 +184,10 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp)
185 num_memory_chunks = 0; 184 num_memory_chunks = 0;
186 while (p < end) { 185 while (p < end) {
187 switch (*p) { 186 switch (*p) {
188 case ACPI_SRAT_PROCESSOR_AFFINITY: 187 case ACPI_SRAT_TYPE_CPU_AFFINITY:
189 parse_cpu_affinity_structure(p); 188 parse_cpu_affinity_structure(p);
190 break; 189 break;
191 case ACPI_SRAT_MEMORY_AFFINITY: 190 case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
192 parse_memory_affinity_structure(p); 191 parse_memory_affinity_structure(p);
193 break; 192 break;
194 default: 193 default:
@@ -262,31 +261,30 @@ out_fail:
262 return 0; 261 return 0;
263} 262}
264 263
264struct acpi_static_rsdt {
265 struct acpi_table_rsdt table;
266 u32 padding[7]; /* Allow for 7 more table entries */
267};
268
265int __init get_memcfg_from_srat(void) 269int __init get_memcfg_from_srat(void)
266{ 270{
267 struct acpi_table_header *header = NULL; 271 struct acpi_table_header *header = NULL;
268 struct acpi_table_rsdp *rsdp = NULL; 272 struct acpi_table_rsdp *rsdp = NULL;
269 struct acpi_table_rsdt *rsdt = NULL; 273 struct acpi_table_rsdt *rsdt = NULL;
270 struct acpi_pointer *rsdp_address = NULL; 274 acpi_native_uint rsdp_address = 0;
271 struct acpi_table_rsdt saved_rsdt; 275 struct acpi_static_rsdt saved_rsdt;
272 int tables = 0; 276 int tables = 0;
273 int i = 0; 277 int i = 0;
274 278
275 if (ACPI_FAILURE(acpi_find_root_pointer(ACPI_PHYSICAL_ADDRESSING, 279 rsdp_address = acpi_find_rsdp();
276 rsdp_address))) { 280 if (!rsdp_address) {
277 printk("%s: System description tables not found\n", 281 printk("%s: System description tables not found\n",
278 __FUNCTION__); 282 __FUNCTION__);
279 goto out_err; 283 goto out_err;
280 } 284 }
281 285
282 if (rsdp_address->pointer_type == ACPI_PHYSICAL_POINTER) { 286 printk("%s: assigning address to rsdp\n", __FUNCTION__);
283 printk("%s: assigning address to rsdp\n", __FUNCTION__); 287 rsdp = (struct acpi_table_rsdp *)(u32)rsdp_address;
284 rsdp = (struct acpi_table_rsdp *)
285 (u32)rsdp_address->pointer.physical;
286 } else {
287 printk("%s: rsdp_address is not a physical pointer\n", __FUNCTION__);
288 goto out_err;
289 }
290 if (!rsdp) { 288 if (!rsdp) {
291 printk("%s: Didn't find ACPI root!\n", __FUNCTION__); 289 printk("%s: Didn't find ACPI root!\n", __FUNCTION__);
292 goto out_err; 290 goto out_err;
@@ -295,13 +293,13 @@ int __init get_memcfg_from_srat(void)
295 printk(KERN_INFO "%.8s v%d [%.6s]\n", rsdp->signature, rsdp->revision, 293 printk(KERN_INFO "%.8s v%d [%.6s]\n", rsdp->signature, rsdp->revision,
296 rsdp->oem_id); 294 rsdp->oem_id);
297 295
298 if (strncmp(rsdp->signature, RSDP_SIG,strlen(RSDP_SIG))) { 296 if (strncmp(rsdp->signature, ACPI_SIG_RSDP,strlen(ACPI_SIG_RSDP))) {
299 printk(KERN_WARNING "%s: RSDP table signature incorrect\n", __FUNCTION__); 297 printk(KERN_WARNING "%s: RSDP table signature incorrect\n", __FUNCTION__);
300 goto out_err; 298 goto out_err;
301 } 299 }
302 300
303 rsdt = (struct acpi_table_rsdt *) 301 rsdt = (struct acpi_table_rsdt *)
304 boot_ioremap(rsdp->rsdt_address, sizeof(struct acpi_table_rsdt)); 302 boot_ioremap(rsdp->rsdt_physical_address, sizeof(struct acpi_table_rsdt));
305 303
306 if (!rsdt) { 304 if (!rsdt) {
307 printk(KERN_WARNING 305 printk(KERN_WARNING
@@ -310,9 +308,9 @@ int __init get_memcfg_from_srat(void)
310 goto out_err; 308 goto out_err;
311 } 309 }
312 310
313 header = & rsdt->header; 311 header = &rsdt->header;
314 312
315 if (strncmp(header->signature, RSDT_SIG, strlen(RSDT_SIG))) { 313 if (strncmp(header->signature, ACPI_SIG_RSDT, strlen(ACPI_SIG_RSDT))) {
316 printk(KERN_WARNING "ACPI: RSDT signature incorrect\n"); 314 printk(KERN_WARNING "ACPI: RSDT signature incorrect\n");
317 goto out_err; 315 goto out_err;
318 } 316 }
@@ -330,9 +328,9 @@ int __init get_memcfg_from_srat(void)
330 328
331 memcpy(&saved_rsdt, rsdt, sizeof(saved_rsdt)); 329 memcpy(&saved_rsdt, rsdt, sizeof(saved_rsdt));
332 330
333 if (saved_rsdt.header.length > sizeof(saved_rsdt)) { 331 if (saved_rsdt.table.header.length > sizeof(saved_rsdt)) {
334 printk(KERN_WARNING "ACPI: Too big length in RSDT: %d\n", 332 printk(KERN_WARNING "ACPI: Too big length in RSDT: %d\n",
335 saved_rsdt.header.length); 333 saved_rsdt.table.header.length);
336 goto out_err; 334 goto out_err;
337 } 335 }
338 336
@@ -341,15 +339,15 @@ int __init get_memcfg_from_srat(void)
341 for (i = 0; i < tables; i++) { 339 for (i = 0; i < tables; i++) {
342 /* Map in header, then map in full table length. */ 340 /* Map in header, then map in full table length. */
343 header = (struct acpi_table_header *) 341 header = (struct acpi_table_header *)
344 boot_ioremap(saved_rsdt.entry[i], sizeof(struct acpi_table_header)); 342 boot_ioremap(saved_rsdt.table.table_offset_entry[i], sizeof(struct acpi_table_header));
345 if (!header) 343 if (!header)
346 break; 344 break;
347 header = (struct acpi_table_header *) 345 header = (struct acpi_table_header *)
348 boot_ioremap(saved_rsdt.entry[i], header->length); 346 boot_ioremap(saved_rsdt.table.table_offset_entry[i], header->length);
349 if (!header) 347 if (!header)
350 break; 348 break;
351 349
352 if (strncmp((char *) &header->signature, "SRAT", 4)) 350 if (strncmp((char *) &header->signature, ACPI_SIG_SRAT, 4))
353 continue; 351 continue;
354 352
355 /* we've found the srat table. don't need to look at any more tables */ 353 /* we've found the srat table. don't need to look at any more tables */