f7d3e29db5
This patch adds unplug cb for memory device. It resets memory status "is_enabled" in acpi_memory_unplug_cb(), removes the corresponding memory region, unregisters vmstate, and unparents the object. Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Signed-off-by: Zhu Guihua <zhugh.fnst@cn.fujitsu.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
#ifndef QEMU_HW_ACPI_MEMORY_HOTPLUG_H
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#define QEMU_HW_ACPI_MEMORY_HOTPLUG_H
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#include "hw/qdev-core.h"
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#include "hw/acpi/acpi.h"
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#include "migration/vmstate.h"
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#define ACPI_MEMORY_HOTPLUG_STATUS 8
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/**
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* MemStatus:
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* @is_removing: the memory device in slot has been requested to be ejected.
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*
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* This structure stores memory device's status.
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*/
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typedef struct MemStatus {
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DeviceState *dimm;
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bool is_enabled;
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bool is_inserting;
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bool is_removing;
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uint32_t ost_event;
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uint32_t ost_status;
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} MemStatus;
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typedef struct MemHotplugState {
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bool is_enabled; /* true if memory hotplug is supported */
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MemoryRegion io;
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uint32_t selector;
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uint32_t dev_count;
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MemStatus *devs;
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} MemHotplugState;
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void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
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MemHotplugState *state);
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void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st,
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DeviceState *dev, Error **errp);
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void acpi_memory_unplug_request_cb(ACPIREGS *ar, qemu_irq irq,
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MemHotplugState *mem_st,
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DeviceState *dev, Error **errp);
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void acpi_memory_unplug_cb(MemHotplugState *mem_st,
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DeviceState *dev, Error **errp);
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extern const VMStateDescription vmstate_memory_hotplug;
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#define VMSTATE_MEMORY_HOTPLUG(memhp, state) \
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VMSTATE_STRUCT(memhp, state, 1, \
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vmstate_memory_hotplug, MemHotplugState)
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void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list);
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#endif
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