#include <linux/acpi.h>
#include <linux/efi.h>
#include <linux/mmzone.h>
+#include <linux/nodemask.h>
#include <asm/io.h>
#include <asm/iosapic.h>
#include <asm/machvec.h>
return "hpsim";
# elif defined (CONFIG_IA64_HP_ZX1)
return "hpzx1";
+# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
+ return "hpzx1_swiotlb";
# elif defined (CONFIG_IA64_SGI_SN2)
return "sn2";
# elif defined (CONFIG_IA64_DIG)
#define PXM_FLAG_LEN ((MAX_PXM_DOMAINS + 1)/32)
static int __initdata srat_num_cpus; /* number of cpus */
-static u32 __initdata pxm_flag[PXM_FLAG_LEN];
+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 __initdata pxm_to_nid_map[MAX_PXM_DOMAINS];
+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;
return;
}
+ /*
+ * 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 */
- numnodes = 0; /* init total nodes in system */
-
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)) {
- pxm_to_nid_map[i] = numnodes;
- node_set_online(numnodes);
- nid_to_pxm_map[numnodes++] = i;
+ int nid = num_online_nodes();
+ pxm_to_nid_map[i] = nid;
+ nid_to_pxm_map[nid] = i;
+ node_set_online(nid);
}
}
node_memblk[i].nid = pxm_to_nid_map[node_memblk[i].nid];
/* assign memory bank numbers for each chunk on each node */
- for (i = 0; i < numnodes; i++) {
+ for_each_online_node(i) {
int bank;
bank = 0;
for (i = 0; i < srat_num_cpus; i++)
node_cpuid[i].nid = pxm_to_nid_map[node_cpuid[i].nid];
- printk(KERN_INFO "Number of logical nodes in system = %d\n", numnodes);
+ printk(KERN_INFO "Number of logical nodes in system = %d\n", num_online_nodes());
printk(KERN_INFO "Number of memory chunks in system = %d\n", num_node_memblks);
if (!slit_table) return;
#ifdef SLIT_DEBUG
printk("ACPI 2.0 SLIT locality table:\n");
- for (i = 0; i < numnodes; i++) {
- for (j = 0; j < numnodes; j++)
+ for_each_online_node(i) {
+ for_each_online_node(j)
printk("%03d ", node_distance(i,j));
printk("\n");
}
}
EXPORT_SYMBOL(acpi_register_gsi);
+#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
+void
+acpi_unregister_gsi (u32 gsi)
+{
+ iosapic_unregister_intr(gsi);
+}
+EXPORT_SYMBOL(acpi_unregister_gsi);
+#endif /* CONFIG_ACPI_DEALLOCATE_IRQ */
+
static int __init
acpi_parse_fadt (unsigned long phys_addr, unsigned long size)
{
return 0;
}
+/*
+ * ACPI based hotplug CPU support
+ */
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+static
+int
+acpi_map_cpu2node(acpi_handle handle, int cpu, long physid)
+{
+#ifdef CONFIG_ACPI_NUMA
+ int pxm_id;
+
+ pxm_id = acpi_get_pxm(handle);
+
+ /*
+ * Assuming that the container driver would have set the proximity
+ * domain and would have initialized pxm_to_nid_map[pxm_id] && pxm_flag
+ */
+ node_cpuid[cpu].nid = (pxm_id < 0) ? 0:
+ pxm_to_nid_map[pxm_id];
+
+ node_cpuid[cpu].phys_id = physid;
+#endif
+ return(0);
+}
+
+
+int
+acpi_map_lsapic(acpi_handle handle, int *pcpu)
+{
+ struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+ union acpi_object *obj;
+ struct acpi_table_lsapic *lsapic;
+ cpumask_t tmp_map;
+ long physid;
+ int cpu;
+
+ if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
+ return -EINVAL;
+
+ if (!buffer.length || !buffer.pointer)
+ return -EINVAL;
+
+ obj = buffer.pointer;
+ if (obj->type != ACPI_TYPE_BUFFER ||
+ obj->buffer.length < sizeof(*lsapic)) {
+ acpi_os_free(buffer.pointer);
+ return -EINVAL;
+ }
+
+ lsapic = (struct acpi_table_lsapic *)obj->buffer.pointer;
+
+ if ((lsapic->header.type != ACPI_MADT_LSAPIC) ||
+ (!lsapic->flags.enabled)) {
+ acpi_os_free(buffer.pointer);
+ return -EINVAL;
+ }
+
+ physid = ((lsapic->id <<8) | (lsapic->eid));
+
+ acpi_os_free(buffer.pointer);
+ buffer.length = ACPI_ALLOCATE_BUFFER;
+ buffer.pointer = NULL;
+
+ cpus_complement(tmp_map, cpu_present_map);
+ cpu = first_cpu(tmp_map);
+ if(cpu >= NR_CPUS)
+ return -EINVAL;
+
+ acpi_map_cpu2node(handle, cpu, physid);
+
+ cpu_set(cpu, cpu_present_map);
+ ia64_cpu_to_sapicid[cpu] = physid;
+ ia64_acpiid_to_sapicid[lsapic->acpi_id] = ia64_cpu_to_sapicid[cpu];
+
+ *pcpu = cpu;
+ return(0);
+}
+EXPORT_SYMBOL(acpi_map_lsapic);
+
+
+int
+acpi_unmap_lsapic(int cpu)
+{
+ int i;
+
+ for (i=0; i<MAX_SAPICS; i++) {
+ if (ia64_acpiid_to_sapicid[i] == ia64_cpu_to_sapicid[cpu]) {
+ ia64_acpiid_to_sapicid[i] = -1;
+ break;
+ }
+ }
+ ia64_cpu_to_sapicid[cpu] = -1;
+ cpu_clear(cpu,cpu_present_map);
+
+#ifdef CONFIG_ACPI_NUMA
+ /* NUMA specific cleanup's */
+#endif
+
+ return(0);
+}
+EXPORT_SYMBOL(acpi_unmap_lsapic);
+#endif /* CONFIG_ACPI_HOTPLUG_CPU */
+
+
#ifdef CONFIG_NUMA
acpi_status __init
acpi_map_iosapic (acpi_handle handle, u32 depth, void *context, void **ret)
git://git.onelab.eu / linux-2.6.git / blobdiff