Loading arch/i386/kernel/srat.c +41 −43 Original line number Diff line number Diff line Loading @@ -62,19 +62,19 @@ extern void * boot_ioremap(unsigned long, unsigned long); /* Identify CPU proximity domains */ static void __init parse_cpu_affinity_structure(char *p) { struct acpi_table_processor_affinity *cpu_affinity = (struct acpi_table_processor_affinity *) p; struct acpi_srat_cpu_affinity *cpu_affinity = (struct acpi_srat_cpu_affinity *) p; if (!cpu_affinity->flags.enabled) if ((cpu_affinity->flags & ACPI_SRAT_CPU_ENABLED) == 0) return; /* empty entry */ /* mark this node as "seen" in node bitmap */ BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain); BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain_lo); apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain; apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain_lo; printk("CPU 0x%02X in proximity domain 0x%02X\n", cpu_affinity->apic_id, cpu_affinity->proximity_domain); cpu_affinity->apic_id, cpu_affinity->proximity_domain_lo); } /* Loading @@ -87,25 +87,24 @@ static void __init parse_memory_affinity_structure (char *sratp) unsigned long start_pfn, end_pfn; u8 pxm; struct node_memory_chunk_s *p, *q, *pend; struct acpi_table_memory_affinity *memory_affinity = (struct acpi_table_memory_affinity *) sratp; struct acpi_srat_mem_affinity *memory_affinity = (struct acpi_srat_mem_affinity *) sratp; if (!memory_affinity->flags.enabled) if ((memory_affinity->flags & ACPI_SRAT_MEM_ENABLED) == 0) return; /* empty entry */ pxm = memory_affinity->proximity_domain & 0xff; /* mark this node as "seen" in node bitmap */ BMAP_SET(pxm_bitmap, memory_affinity->proximity_domain); BMAP_SET(pxm_bitmap, pxm); /* calculate info for memory chunk structure */ paddr = memory_affinity->base_addr_hi; paddr = (paddr << 32) | memory_affinity->base_addr_lo; size = memory_affinity->length_hi; size = (size << 32) | memory_affinity->length_lo; paddr = memory_affinity->base_address; size = memory_affinity->length; start_pfn = paddr >> PAGE_SHIFT; end_pfn = (paddr + size) >> PAGE_SHIFT; pxm = memory_affinity->proximity_domain; if (num_memory_chunks >= MAXCHUNKS) { printk("Too many mem chunks in SRAT. Ignoring %lld MBytes at %llx\n", Loading @@ -132,8 +131,8 @@ static void __init parse_memory_affinity_structure (char *sratp) printk("Memory range 0x%lX to 0x%lX (type 0x%X) in proximity domain 0x%02X %s\n", start_pfn, end_pfn, memory_affinity->memory_type, memory_affinity->proximity_domain, (memory_affinity->flags.hot_pluggable ? pxm, ((memory_affinity->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) ? "enabled and removable" : "enabled" ) ); } Loading Loading @@ -185,10 +184,10 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp) num_memory_chunks = 0; while (p < end) { switch (*p) { case ACPI_SRAT_PROCESSOR_AFFINITY: case ACPI_SRAT_TYPE_CPU_AFFINITY: parse_cpu_affinity_structure(p); break; case ACPI_SRAT_MEMORY_AFFINITY: case ACPI_SRAT_TYPE_MEMORY_AFFINITY: parse_memory_affinity_structure(p); break; default: Loading Loading @@ -262,31 +261,30 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp) return 0; } struct acpi_static_rsdt { struct acpi_table_rsdt table; u32 padding[7]; /* Allow for 7 more table entries */ }; int __init get_memcfg_from_srat(void) { struct acpi_table_header *header = NULL; struct acpi_table_rsdp *rsdp = NULL; struct acpi_table_rsdt *rsdt = NULL; struct acpi_pointer *rsdp_address = NULL; struct acpi_table_rsdt saved_rsdt; acpi_native_uint rsdp_address = 0; struct acpi_static_rsdt saved_rsdt; int tables = 0; int i = 0; if (ACPI_FAILURE(acpi_find_root_pointer(ACPI_PHYSICAL_ADDRESSING, rsdp_address))) { rsdp_address = acpi_find_rsdp(); if (!rsdp_address) { printk("%s: System description tables not found\n", __FUNCTION__); goto out_err; } if (rsdp_address->pointer_type == ACPI_PHYSICAL_POINTER) { printk("%s: assigning address to rsdp\n", __FUNCTION__); rsdp = (struct acpi_table_rsdp *) (u32)rsdp_address->pointer.physical; } else { printk("%s: rsdp_address is not a physical pointer\n", __FUNCTION__); goto out_err; } rsdp = (struct acpi_table_rsdp *)(u32)rsdp_address; if (!rsdp) { printk("%s: Didn't find ACPI root!\n", __FUNCTION__); goto out_err; Loading @@ -295,13 +293,13 @@ int __init get_memcfg_from_srat(void) printk(KERN_INFO "%.8s v%d [%.6s]\n", rsdp->signature, rsdp->revision, rsdp->oem_id); if (strncmp(rsdp->signature, RSDP_SIG,strlen(RSDP_SIG))) { if (strncmp(rsdp->signature, ACPI_SIG_RSDP,strlen(ACPI_SIG_RSDP))) { printk(KERN_WARNING "%s: RSDP table signature incorrect\n", __FUNCTION__); goto out_err; } rsdt = (struct acpi_table_rsdt *) boot_ioremap(rsdp->rsdt_address, sizeof(struct acpi_table_rsdt)); boot_ioremap(rsdp->rsdt_physical_address, sizeof(struct acpi_table_rsdt)); if (!rsdt) { printk(KERN_WARNING Loading @@ -312,7 +310,7 @@ int __init get_memcfg_from_srat(void) header = &rsdt->header; if (strncmp(header->signature, RSDT_SIG, strlen(RSDT_SIG))) { if (strncmp(header->signature, ACPI_SIG_RSDT, strlen(ACPI_SIG_RSDT))) { printk(KERN_WARNING "ACPI: RSDT signature incorrect\n"); goto out_err; } Loading @@ -330,9 +328,9 @@ int __init get_memcfg_from_srat(void) memcpy(&saved_rsdt, rsdt, sizeof(saved_rsdt)); if (saved_rsdt.header.length > sizeof(saved_rsdt)) { if (saved_rsdt.table.header.length > sizeof(saved_rsdt)) { printk(KERN_WARNING "ACPI: Too big length in RSDT: %d\n", saved_rsdt.header.length); saved_rsdt.table.header.length); goto out_err; } Loading @@ -341,15 +339,15 @@ int __init get_memcfg_from_srat(void) for (i = 0; i < tables; i++) { /* Map in header, then map in full table length. */ header = (struct acpi_table_header *) boot_ioremap(saved_rsdt.entry[i], sizeof(struct acpi_table_header)); boot_ioremap(saved_rsdt.table.table_offset_entry[i], sizeof(struct acpi_table_header)); if (!header) break; header = (struct acpi_table_header *) boot_ioremap(saved_rsdt.entry[i], header->length); boot_ioremap(saved_rsdt.table.table_offset_entry[i], header->length); if (!header) break; if (strncmp((char *) &header->signature, "SRAT", 4)) if (strncmp((char *) &header->signature, ACPI_SIG_SRAT, 4)) continue; /* we've found the srat table. don't need to look at any more tables */ Loading Loading
arch/i386/kernel/srat.c +41 −43 Original line number Diff line number Diff line Loading @@ -62,19 +62,19 @@ extern void * boot_ioremap(unsigned long, unsigned long); /* Identify CPU proximity domains */ static void __init parse_cpu_affinity_structure(char *p) { struct acpi_table_processor_affinity *cpu_affinity = (struct acpi_table_processor_affinity *) p; struct acpi_srat_cpu_affinity *cpu_affinity = (struct acpi_srat_cpu_affinity *) p; if (!cpu_affinity->flags.enabled) if ((cpu_affinity->flags & ACPI_SRAT_CPU_ENABLED) == 0) return; /* empty entry */ /* mark this node as "seen" in node bitmap */ BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain); BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain_lo); apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain; apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain_lo; printk("CPU 0x%02X in proximity domain 0x%02X\n", cpu_affinity->apic_id, cpu_affinity->proximity_domain); cpu_affinity->apic_id, cpu_affinity->proximity_domain_lo); } /* Loading @@ -87,25 +87,24 @@ static void __init parse_memory_affinity_structure (char *sratp) unsigned long start_pfn, end_pfn; u8 pxm; struct node_memory_chunk_s *p, *q, *pend; struct acpi_table_memory_affinity *memory_affinity = (struct acpi_table_memory_affinity *) sratp; struct acpi_srat_mem_affinity *memory_affinity = (struct acpi_srat_mem_affinity *) sratp; if (!memory_affinity->flags.enabled) if ((memory_affinity->flags & ACPI_SRAT_MEM_ENABLED) == 0) return; /* empty entry */ pxm = memory_affinity->proximity_domain & 0xff; /* mark this node as "seen" in node bitmap */ BMAP_SET(pxm_bitmap, memory_affinity->proximity_domain); BMAP_SET(pxm_bitmap, pxm); /* calculate info for memory chunk structure */ paddr = memory_affinity->base_addr_hi; paddr = (paddr << 32) | memory_affinity->base_addr_lo; size = memory_affinity->length_hi; size = (size << 32) | memory_affinity->length_lo; paddr = memory_affinity->base_address; size = memory_affinity->length; start_pfn = paddr >> PAGE_SHIFT; end_pfn = (paddr + size) >> PAGE_SHIFT; pxm = memory_affinity->proximity_domain; if (num_memory_chunks >= MAXCHUNKS) { printk("Too many mem chunks in SRAT. Ignoring %lld MBytes at %llx\n", Loading @@ -132,8 +131,8 @@ static void __init parse_memory_affinity_structure (char *sratp) printk("Memory range 0x%lX to 0x%lX (type 0x%X) in proximity domain 0x%02X %s\n", start_pfn, end_pfn, memory_affinity->memory_type, memory_affinity->proximity_domain, (memory_affinity->flags.hot_pluggable ? pxm, ((memory_affinity->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) ? "enabled and removable" : "enabled" ) ); } Loading Loading @@ -185,10 +184,10 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp) num_memory_chunks = 0; while (p < end) { switch (*p) { case ACPI_SRAT_PROCESSOR_AFFINITY: case ACPI_SRAT_TYPE_CPU_AFFINITY: parse_cpu_affinity_structure(p); break; case ACPI_SRAT_MEMORY_AFFINITY: case ACPI_SRAT_TYPE_MEMORY_AFFINITY: parse_memory_affinity_structure(p); break; default: Loading Loading @@ -262,31 +261,30 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp) return 0; } struct acpi_static_rsdt { struct acpi_table_rsdt table; u32 padding[7]; /* Allow for 7 more table entries */ }; int __init get_memcfg_from_srat(void) { struct acpi_table_header *header = NULL; struct acpi_table_rsdp *rsdp = NULL; struct acpi_table_rsdt *rsdt = NULL; struct acpi_pointer *rsdp_address = NULL; struct acpi_table_rsdt saved_rsdt; acpi_native_uint rsdp_address = 0; struct acpi_static_rsdt saved_rsdt; int tables = 0; int i = 0; if (ACPI_FAILURE(acpi_find_root_pointer(ACPI_PHYSICAL_ADDRESSING, rsdp_address))) { rsdp_address = acpi_find_rsdp(); if (!rsdp_address) { printk("%s: System description tables not found\n", __FUNCTION__); goto out_err; } if (rsdp_address->pointer_type == ACPI_PHYSICAL_POINTER) { printk("%s: assigning address to rsdp\n", __FUNCTION__); rsdp = (struct acpi_table_rsdp *) (u32)rsdp_address->pointer.physical; } else { printk("%s: rsdp_address is not a physical pointer\n", __FUNCTION__); goto out_err; } rsdp = (struct acpi_table_rsdp *)(u32)rsdp_address; if (!rsdp) { printk("%s: Didn't find ACPI root!\n", __FUNCTION__); goto out_err; Loading @@ -295,13 +293,13 @@ int __init get_memcfg_from_srat(void) printk(KERN_INFO "%.8s v%d [%.6s]\n", rsdp->signature, rsdp->revision, rsdp->oem_id); if (strncmp(rsdp->signature, RSDP_SIG,strlen(RSDP_SIG))) { if (strncmp(rsdp->signature, ACPI_SIG_RSDP,strlen(ACPI_SIG_RSDP))) { printk(KERN_WARNING "%s: RSDP table signature incorrect\n", __FUNCTION__); goto out_err; } rsdt = (struct acpi_table_rsdt *) boot_ioremap(rsdp->rsdt_address, sizeof(struct acpi_table_rsdt)); boot_ioremap(rsdp->rsdt_physical_address, sizeof(struct acpi_table_rsdt)); if (!rsdt) { printk(KERN_WARNING Loading @@ -312,7 +310,7 @@ int __init get_memcfg_from_srat(void) header = &rsdt->header; if (strncmp(header->signature, RSDT_SIG, strlen(RSDT_SIG))) { if (strncmp(header->signature, ACPI_SIG_RSDT, strlen(ACPI_SIG_RSDT))) { printk(KERN_WARNING "ACPI: RSDT signature incorrect\n"); goto out_err; } Loading @@ -330,9 +328,9 @@ int __init get_memcfg_from_srat(void) memcpy(&saved_rsdt, rsdt, sizeof(saved_rsdt)); if (saved_rsdt.header.length > sizeof(saved_rsdt)) { if (saved_rsdt.table.header.length > sizeof(saved_rsdt)) { printk(KERN_WARNING "ACPI: Too big length in RSDT: %d\n", saved_rsdt.header.length); saved_rsdt.table.header.length); goto out_err; } Loading @@ -341,15 +339,15 @@ int __init get_memcfg_from_srat(void) for (i = 0; i < tables; i++) { /* Map in header, then map in full table length. */ header = (struct acpi_table_header *) boot_ioremap(saved_rsdt.entry[i], sizeof(struct acpi_table_header)); boot_ioremap(saved_rsdt.table.table_offset_entry[i], sizeof(struct acpi_table_header)); if (!header) break; header = (struct acpi_table_header *) boot_ioremap(saved_rsdt.entry[i], header->length); boot_ioremap(saved_rsdt.table.table_offset_entry[i], header->length); if (!header) break; if (strncmp((char *) &header->signature, "SRAT", 4)) if (strncmp((char *) &header->signature, ACPI_SIG_SRAT, 4)) continue; /* we've found the srat table. don't need to look at any more tables */ Loading