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arm64: add ACPI based NUMA support

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Use the newly defined SRAT/SLIT parsing APIs in arm64 to support
ACPI based NUMA.

Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D17943
This commit is contained in:
jchandra 2018-12-08 19:42:01 +00:00
parent 6fd503bd86
commit 5a913206e0
2 changed files with 23 additions and 2 deletions
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13
sys/arm64/acpica/acpi_machdep.c
View File

@ -233,3 +233,16 @@ acpi_map_addr(struct acpi_generic_address *addr, bus_space_tag_t *tag,
return (bus_space_map(*tag, phys, size, 0, handle));
}
#if MAXMEMDOM > 1
static void
parse_pxm_tables(void *dummy)
{
acpi_pxm_init(MAXCPU, (vm_paddr_t)1 << 40);
acpi_pxm_parse_tables();
acpi_pxm_set_mem_locality();
}
SYSINIT(parse_pxm_tables, SI_SUB_VM - 1, SI_ORDER_FIRST, parse_pxm_tables,
NULL);
#endif

12
sys/arm64/arm64/mp_machdep.c
View File

@ -442,13 +442,15 @@ madt_handler(ACPI_SUBTABLE_HEADER *entry, void *arg)
{
ACPI_MADT_GENERIC_INTERRUPT *intr;
u_int *cpuid;
u_int id;
switch(entry->Type) {
case ACPI_MADT_TYPE_GENERIC_INTERRUPT:
intr = (ACPI_MADT_GENERIC_INTERRUPT *)entry;
cpuid = arg;
start_cpu((*cpuid), intr->ArmMpidr);
id = *cpuid;
start_cpu(id, intr->ArmMpidr);
__pcpu[id].pc_acpi_id = intr->Uid;
(*cpuid)++;
break;
default:
@ -478,6 +480,12 @@ cpu_init_acpi(void)
madt_handler, &cpuid);
acpi_unmap_table(madt);
#if MAXMEMDOM > 1
/* set proximity info */
acpi_pxm_set_cpu_locality();
acpi_pxm_free();
#endif
}
#endif