[Qemu-devel] [PATCH v2 02/51] pc: acpi: memhp: prepare context in SSDT for moving memhp DSDT code

[Igor Mammedov]

Signed-off-by: Igor Mammedov <address@hidden>
---
 hw/acpi/Makefile.objs               |  2 +-
 hw/acpi/memory_hotplug_acpi_table.c | 30 ++++++++++++++++++++++++++++++
 hw/i386/acpi-build.c                |  3 +++
 include/hw/acpi/memory_hotplug.h    |  4 ++++
 4 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 hw/acpi/memory_hotplug_acpi_table.c

diff --git a/hw/acpi/Makefile.objs b/hw/acpi/Makefile.objs
index 095597f..052be62 100644
--- a/hw/acpi/Makefile.objs
+++ b/hw/acpi/Makefile.objs
@@ -1,7 +1,7 @@
 common-obj-$(CONFIG_ACPI_X86) += core.o piix4.o pcihp.o
 common-obj-$(CONFIG_ACPI_X86_ICH) += ich9.o tco.o
 common-obj-$(CONFIG_ACPI_CPU_HOTPLUG) += cpu_hotplug.o
-common-obj-$(CONFIG_ACPI_MEMORY_HOTPLUG) += memory_hotplug.o
+common-obj-$(CONFIG_ACPI_MEMORY_HOTPLUG) += memory_hotplug.o 
memory_hotplug_acpi_table.o
 common-obj-$(CONFIG_ACPI_NVDIMM) += nvdimm.o
 common-obj-$(CONFIG_ACPI) += acpi_interface.o
 common-obj-$(CONFIG_ACPI) += bios-linker-loader.o
diff --git a/hw/acpi/memory_hotplug_acpi_table.c 
b/hw/acpi/memory_hotplug_acpi_table.c
new file mode 100644
index 0000000..35fefba
--- /dev/null
+++ b/hw/acpi/memory_hotplug_acpi_table.c
@@ -0,0 +1,30 @@
+/*
+ * Memory hotplug AML code of DSDT ACPI table
+ *
+ * Copyright (C) 2015 Red Hat Inc
+ *
+ * Author: Igor Mammedov <address@hidden>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include <stdbool.h>
+#include "hw/acpi/memory_hotplug.h"
+#include "include/hw/acpi/pc-hotplug.h"
+#include "hw/boards.h"
+
+void build_memory_hotplug_aml(Aml *ctx, uint32_t nr_mem,
+                              uint16_t io_base, uint16_t io_len)
+{
+    Aml *pci_scope;
+    Aml *mem_ctrl_dev;
+
+    /* scope for memory hotplug controller device node */
+    pci_scope = aml_scope("_SB.PCI0");
+    mem_ctrl_dev = aml_scope(stringify(MEMORY_HOTPLUG_DEVICE));
+    {
+    }
+    aml_append(pci_scope, mem_ctrl_dev);
+    aml_append(ctx, pci_scope);
+}
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 4cc1440..e365047 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -954,6 +954,9 @@ build_ssdt(GArray *table_data, GArray *linker,
     /* Reserve space for header */
     acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader));
 
+    build_memory_hotplug_aml(ssdt, nr_mem, pm->mem_hp_io_base,
+                             pm->mem_hp_io_len);
+
     bus = PC_MACHINE(machine)->bus;
     if (bus) {
         QLIST_FOREACH(bus, &bus->child, sibling) {
diff --git a/include/hw/acpi/memory_hotplug.h b/include/hw/acpi/memory_hotplug.h
index 1342adb..b6e9f50 100644
--- a/include/hw/acpi/memory_hotplug.h
+++ b/include/hw/acpi/memory_hotplug.h
@@ -4,6 +4,7 @@
 #include "hw/qdev-core.h"
 #include "hw/acpi/acpi.h"
 #include "migration/vmstate.h"
+#include "hw/acpi/aml-build.h"
 
 /**
  * MemStatus:
@@ -45,4 +46,7 @@ extern const VMStateDescription vmstate_memory_hotplug;
                    vmstate_memory_hotplug, MemHotplugState)
 
 void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list);
+
+void build_memory_hotplug_aml(Aml *ctx, uint32_t nr_mem,
+                              uint16_t io_base, uint16_t io_len);
 #endif
-- 
1.8.3.1