unsigned char acpi_kbd_controller_present = 1;
unsigned char acpi_legacy_devices;
-static unsigned int __initdata acpi_madt_rev;
-
unsigned int acpi_cpei_override;
unsigned int acpi_cpei_phys_cpuid;
return iosapic_init(iosapic->address, iosapic->global_irq_base);
}
+static unsigned int __initdata acpi_madt_rev;
+
static int __init
acpi_parse_plat_int_src(acpi_table_entry_header * header,
const unsigned long end)
return 0;
}
+#ifdef CONFIG_HOTPLUG_CPU
unsigned int can_cpei_retarget(void)
{
extern int cpe_vector;
+ extern unsigned int force_cpei_retarget;
/*
* Only if CPEI is supported and the override flag
* is present, otherwise return that its re-targettable
* if we are in polling mode.
*/
- if (cpe_vector > 0 && !acpi_cpei_override)
- return 0;
- else
- return 1;
+ if (cpe_vector > 0) {
+ if (acpi_cpei_override || force_cpei_retarget)
+ return 1;
+ else
+ return 0;
+ }
+ return 1;
}
unsigned int is_cpu_cpei_target(unsigned int cpu)
{
acpi_cpei_phys_cpuid = cpu_physical_id(cpu);
}
+#endif
unsigned int get_cpei_target_cpu(void)
{
static u32 __devinitdata pxm_flag[PXM_FLAG_LEN];
#define pxm_bit_set(bit) (set_bit(bit,(void *)pxm_flag))
#define pxm_bit_test(bit) (test_bit(bit,(void *)pxm_flag))
-/* maps to convert between proximity domain and logical node ID */
-int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS];
-int __initdata nid_to_pxm_map[MAX_NUMNODES];
static struct acpi_table_slit __initdata *slit_table;
+static int get_processor_proximity_domain(struct acpi_table_processor_affinity *pa)
+{
+ int pxm;
+
+ pxm = pa->proximity_domain;
+ if (ia64_platform_is("sn2"))
+ pxm += pa->reserved[0] << 8;
+ return pxm;
+}
+
+static int get_memory_proximity_domain(struct acpi_table_memory_affinity *ma)
+{
+ int pxm;
+
+ pxm = ma->proximity_domain;
+ if (ia64_platform_is("sn2"))
+ pxm += ma->reserved1[0] << 8;
+ return pxm;
+}
+
/*
* ACPI 2.0 SLIT (System Locality Information Table)
* http://devresource.hp.com/devresource/Docs/TechPapers/IA64/slit.pdf
void __init
acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
{
+ int pxm;
+
+ if (!pa->flags.enabled)
+ return;
+
+ pxm = get_processor_proximity_domain(pa);
+
/* record this node in proximity bitmap */
- pxm_bit_set(pa->proximity_domain);
+ pxm_bit_set(pxm);
node_cpuid[srat_num_cpus].phys_id =
(pa->apic_id << 8) | (pa->lsapic_eid);
/* nid should be overridden as logical node id later */
- node_cpuid[srat_num_cpus].nid = pa->proximity_domain;
+ node_cpuid[srat_num_cpus].nid = pxm;
srat_num_cpus++;
}
acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
{
unsigned long paddr, size;
- u8 pxm;
+ int pxm;
struct node_memblk_s *p, *q, *pend;
- pxm = ma->proximity_domain;
+ pxm = get_memory_proximity_domain(ma);
/* fill node memory chunk structure */
paddr = ma->base_addr_hi;
* MCD - This can probably be dropped now. No need for pxm ID to node ID
* mapping with sparse node numbering iff MAX_PXM_DOMAINS <= MAX_NUMNODES.
*/
- /* calculate total number of nodes in system from PXM bitmap */
- memset(pxm_to_nid_map, -1, sizeof(pxm_to_nid_map));
- memset(nid_to_pxm_map, -1, sizeof(nid_to_pxm_map));
nodes_clear(node_online_map);
for (i = 0; i < MAX_PXM_DOMAINS; i++) {
if (pxm_bit_test(i)) {
- int nid = num_online_nodes();
- pxm_to_nid_map[i] = nid;
- nid_to_pxm_map[nid] = i;
+ int nid = acpi_map_pxm_to_node(i);
node_set_online(nid);
}
}
/* set logical node id in memory chunk structure */
for (i = 0; i < num_node_memblks; i++)
- node_memblk[i].nid = pxm_to_nid_map[node_memblk[i].nid];
+ node_memblk[i].nid = pxm_to_node(node_memblk[i].nid);
/* assign memory bank numbers for each chunk on each node */
for_each_online_node(i) {
/* set logical node id in cpu structure */
for (i = 0; i < srat_num_cpus; i++)
- node_cpuid[i].nid = pxm_to_nid_map[node_cpuid[i].nid];
+ node_cpuid[i].nid = pxm_to_node(node_cpuid[i].nid);
printk(KERN_INFO "Number of logical nodes in system = %d\n",
num_online_nodes());
for (i = 0; i < slit_table->localities; i++) {
if (!pxm_bit_test(i))
continue;
- node_from = pxm_to_nid_map[i];
+ node_from = pxm_to_node(i);
for (j = 0; j < slit_table->localities; j++) {
if (!pxm_bit_test(j))
continue;
- node_to = pxm_to_nid_map[j];
+ node_to = pxm_to_node(j);
node_distance(node_from, node_to) =
slit_table->entry[i * slit_table->localities + j];
}
static int __init acpi_parse_fadt(unsigned long phys_addr, unsigned long size)
{
struct acpi_table_header *fadt_header;
- struct fadt_descriptor_rev2 *fadt;
+ struct fadt_descriptor *fadt;
if (!phys_addr || !size)
return -EINVAL;
if (fadt_header->revision != 3)
return -ENODEV; /* Only deal with ACPI 2.0 FADT */
- fadt = (struct fadt_descriptor_rev2 *)fadt_header;
+ fadt = (struct fadt_descriptor *)fadt_header;
if (!(fadt->iapc_boot_arch & BAF_8042_KEYBOARD_CONTROLLER))
acpi_kbd_controller_present = 0;
{
unsigned long rsdp_phys = 0;
- if (efi.acpi20)
- rsdp_phys = __pa(efi.acpi20);
- else if (efi.acpi)
+ if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
+ rsdp_phys = efi.acpi20;
+ else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
printk(KERN_WARNING PREFIX
"v1.0/r0.71 tables no longer supported\n");
return rsdp_phys;
/*
* Assuming that the container driver would have set the proximity
- * domain and would have initialized pxm_to_nid_map[pxm_id] && pxm_flag
+ * domain and would have initialized pxm_to_node(pxm_id) && pxm_flag
*/
- node_cpuid[cpu].nid = (pxm_id < 0) ? 0 : pxm_to_nid_map[pxm_id];
+ node_cpuid[cpu].nid = (pxm_id < 0) ? 0 : pxm_to_node(pxm_id);
node_cpuid[cpu].phys_id = physid;
#endif
int possible, disabled_cpus;
disabled_cpus = total_cpus - available_cpus;
+
if (additional_cpus == -1) {
- if (disabled_cpus > 0) {
- possible = total_cpus;
+ if (disabled_cpus > 0)
additional_cpus = disabled_cpus;
- }
- else {
- possible = available_cpus;
+ else
additional_cpus = 0;
- }
- } else {
- possible = available_cpus + additional_cpus;
- }
+ }
+
+ possible = available_cpus + additional_cpus;
+
if (possible > NR_CPUS)
possible = NR_CPUS;
printk(KERN_INFO "SMP: Allowing %d CPUs, %d hotplug CPUs\n",
- possible,
- max_t(int, additional_cpus, 0));
+ possible, max((possible - available_cpus), 0));
for (i = 0; i < possible; i++)
cpu_set(i, cpu_possible_map);
if (pxm < 0)
return AE_OK;
- node = pxm_to_nid_map[pxm];
+ node = pxm_to_node(pxm);
if (node >= MAX_NUMNODES || !node_online(node) ||
cpus_empty(node_to_cpumask(node)))