[Qemu-devel] [PATCH v2 13/51] pc: acpi: memhp: move \_GPE._E03 into SSDT

[Igor Mammedov <imammedo@redhat.com>]

in addition remove no longer needed acpi-dsdt-mem-hotplug.dsl.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 hw/i386/acpi-build.c              |  6 ++++++
 hw/i386/acpi-dsdt-mem-hotplug.dsl | 16 ----------------
 hw/i386/acpi-dsdt.dsl             |  5 -----
 hw/i386/q35-acpi-dsdt.dsl         |  5 -----
 include/hw/acpi/memory_hotplug.h  |  5 +++++
 include/hw/acpi/pc-hotplug.h      |  2 --
 6 files changed, 11 insertions(+), 28 deletions(-)
 delete mode 100644 hw/i386/acpi-dsdt-mem-hotplug.dsl

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index a4a90b3..8bdb673 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1081,6 +1081,12 @@ build_ssdt(GArray *table_data, GArray *linker,
     build_memory_hotplug_aml(ssdt, nr_mem, pm->mem_hp_io_base,
                              pm->mem_hp_io_len);
 
+    scope =  aml_scope("\\_GPE");
+    method = aml_method("_E03", 0, AML_NOTSERIALIZED);
+    aml_append(method, aml_call0(MEMORY_HOTPLUG_HANDLER_PATH));
+    aml_append(scope, method);
+    aml_append(ssdt, scope);
+
     bus = PC_MACHINE(machine)->bus;
     if (bus) {
         QLIST_FOREACH(bus, &bus->child, sibling) {
diff --git a/hw/i386/acpi-dsdt-mem-hotplug.dsl b/hw/i386/acpi-dsdt-mem-hotplug.dsl
deleted file mode 100644
index 20c5ec1..0000000
--- a/hw/i386/acpi-dsdt-mem-hotplug.dsl
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-    External(\_SB.PCI0.MEMORY_HOTPLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD, MethodObj)
diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl
index 8dba096..9cf1b88 100644
--- a/hw/i386/acpi-dsdt.dsl
+++ b/hw/i386/acpi-dsdt.dsl
@@ -250,7 +250,6 @@ DefinitionBlock (
 #include "hw/acpi/pc-hotplug.h"
 #define CPU_STATUS_BASE PIIX4_CPU_HOTPLUG_IO_BASE
 #include "acpi-dsdt-cpu-hotplug.dsl"
-#include "acpi-dsdt-mem-hotplug.dsl"
 
 
 /****************************************************************
@@ -271,10 +270,6 @@ DefinitionBlock (
             // CPU hotplug event
             \_SB.PRSC()
         }
-        Method(_E03) {
-            // Memory hotplug event
-            \_SB.PCI0.MEMORY_HOTPLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD()
-        }
         Method(_L04) {
         }
         Method(_L05) {
diff --git a/hw/i386/q35-acpi-dsdt.dsl b/hw/i386/q35-acpi-dsdt.dsl
index 7be7b37..f950f39 100644
--- a/hw/i386/q35-acpi-dsdt.dsl
+++ b/hw/i386/q35-acpi-dsdt.dsl
@@ -387,7 +387,6 @@ DefinitionBlock (
 #include "hw/acpi/pc-hotplug.h"
 #define CPU_STATUS_BASE ICH9_CPU_HOTPLUG_IO_BASE
 #include "acpi-dsdt-cpu-hotplug.dsl"
-#include "acpi-dsdt-mem-hotplug.dsl"
 
 
 /****************************************************************
@@ -404,10 +403,6 @@ DefinitionBlock (
             // CPU hotplug event
             \_SB.PRSC()
         }
-        Method(_E03) {
-            // Memory hotplug event
-            \_SB.PCI0.MEMORY_HOTPLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD()
-        }
         Method(_L04) {
         }
         Method(_L05) {
diff --git a/include/hw/acpi/memory_hotplug.h b/include/hw/acpi/memory_hotplug.h
index b6e9f50..de164f2 100644
--- a/include/hw/acpi/memory_hotplug.h
+++ b/include/hw/acpi/memory_hotplug.h
@@ -47,6 +47,11 @@ extern const VMStateDescription vmstate_memory_hotplug;
 
 void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list);
 
+#define MEMORY_HOTPLUG_DEVICE        MHPD
+#define MEMORY_SLOT_SCAN_METHOD      MSCN
+#define MEMORY_HOTPLUG_HANDLER_PATH "\\_SB.PCI0." \
+     stringify(MEMORY_HOTPLUG_DEVICE) "." stringify(MEMORY_SLOT_SCAN_METHOD)
+
 void build_memory_hotplug_aml(Aml *ctx, uint32_t nr_mem,
                               uint16_t io_base, uint16_t io_len);
 #endif
diff --git a/include/hw/acpi/pc-hotplug.h b/include/hw/acpi/pc-hotplug.h
index 77b1569..e5bb321 100644
--- a/include/hw/acpi/pc-hotplug.h
+++ b/include/hw/acpi/pc-hotplug.h
@@ -32,7 +32,6 @@
 #define ACPI_MEMORY_HOTPLUG_IO_LEN 24
 #define ACPI_MEMORY_HOTPLUG_BASE 0x0a00
 
-#define MEMORY_HOTPLUG_DEVICE        MHPD
 #define MEMORY_SLOTS_NUMBER          MDNR
 #define MEMORY_HOTPLUG_IO_REGION     HPMR
 #define MEMORY_SLOT_ADDR_LOW         MRBL
@@ -54,6 +53,5 @@
 #define MEMORY_SLOT_PROXIMITY_METHOD MPXM
 #define MEMORY_SLOT_EJECT_METHOD     MEJ0
 #define MEMORY_SLOT_NOTIFY_METHOD    MTFY
-#define MEMORY_SLOT_SCAN_METHOD      MSCN
 
 #endif
-- 
1.8.3.1