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acpi:ich9: add memory hotplug handling

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Add memory hotplug initialization/handling to ICH9 LPC device
and enable it by default for post 2.0 machine types

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 2014-06-02 15:25:22 +02:00 • committed by Michael S. Tsirkin
parent d6b38b6611
commit 1f8621842e
4 changed files with 68 additions and 1 deletions
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4
include/hw/acpi/ich9.h
View file

@ -23,6 +23,7 @@
#include "hw/acpi/acpi.h"
#include "hw/acpi/cpu_hotplug.h"
#include "hw/acpi/memory_hotplug.h"
typedef struct ICH9LPCPMRegs {
/*
@ -46,6 +47,8 @@ typedef struct ICH9LPCPMRegs {
AcpiCpuHotplug gpe_cpu;
Notifier cpu_added_notifier;
MemHotplugState acpi_memory_hotplug;
} ICH9LPCPMRegs;
void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
@ -55,4 +58,5 @@ extern const VMStateDescription vmstate_ich9_pm;
void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp);
void ich9_pm_device_plug_cb(ICH9LPCPMRegs *pm, DeviceState *dev, Error **errp);
#endif /* HW_ACPI_ICH9_H */

7
include/hw/i386/pc.h
View file

@ -286,7 +286,12 @@ int e820_get_num_entries(void);
bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
#define PC_Q35_COMPAT_2_0 \
PC_COMPAT_2_0
PC_COMPAT_2_0, \
{\
.driver = "ICH9 LPC",\
.property = "memory-hotplug-support",\
.value = "off",\
}
#define PC_Q35_COMPAT_1_7 \
PC_COMPAT_1_7, \