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Date:      Sat, 8 Dec 2018 19:42:01 +0000 (UTC)
From:      "Jayachandran C." <jchandra@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r341744 - in head/sys/arm64: acpica arm64
Message-ID:  <201812081942.wB8Jg10K021362@repo.freebsd.org>
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Author: jchandra
Date: Sat Dec  8 19:42:01 2018
New Revision: 341744
URL: https://svnweb.freebsd.org/changeset/base/341744

Log:
  arm64: add ACPI based NUMA support
  
  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

Modified:
  head/sys/arm64/acpica/acpi_machdep.c
  head/sys/arm64/arm64/mp_machdep.c

Modified: head/sys/arm64/acpica/acpi_machdep.c
==============================================================================
--- head/sys/arm64/acpica/acpi_machdep.c	Sat Dec  8 19:32:23 2018	(r341743)
+++ head/sys/arm64/acpica/acpi_machdep.c	Sat Dec  8 19:42:01 2018	(r341744)
@@ -233,3 +233,16 @@ acpi_map_addr(struct acpi_generic_address *addr, bus_s
 
 	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

Modified: head/sys/arm64/arm64/mp_machdep.c
==============================================================================
--- head/sys/arm64/arm64/mp_machdep.c	Sat Dec  8 19:32:23 2018	(r341743)
+++ head/sys/arm64/arm64/mp_machdep.c	Sat Dec  8 19:42:01 2018	(r341744)
@@ -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

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