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pc: acpi: memhp: prepare context in SSDT for moving memhp DSDT code

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Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2015-12-28 18:02:09 +01:00 committed by Michael S. Tsirkin
parent 7cb08cb2d7
commit 30bd0cf465
4 changed files with 38 additions and 1 deletions
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2
hw/acpi/Makefile.objs
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@ -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

30
hw/acpi/memory_hotplug_acpi_table.c Normal file
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@ -0,0 +1,30 @@
/*
* Memory hotplug AML code of DSDT ACPI table
*
* Copyright (C) 2015 Red Hat Inc
*
* Author: Igor Mammedov <imammedo@redhat.com>
*
* 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);
}

3
hw/i386/acpi-build.c
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@ -956,6 +956,9 @@ 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) {

4
include/hw/acpi/memory_hotplug.h
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@ -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