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acpi: add hardware implementation for memory hot unplug

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- implements QEMU hardware part of memory hot unplug protocol
  described at "docs/spec/acpi_mem_hotplug.txt"
- handles memory remove notification event
- handles device eject notification

Reviewed-by: Igor Mammedov <imammedo@redhat.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>
This commit is contained in:
Zhu Guihua 2015-04-27 16:47:21 +08:00 • committed by Michael S. Tsirkin
parent 660e8ec700
commit c06b2ffb02
8 changed files with 61 additions and 5 deletions
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3
include/hw/acpi/pc-hotplug.h
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@ -43,6 +43,8 @@
#define MEMORY_SLOT_PROXIMITY MPX
#define MEMORY_SLOT_ENABLED MES
#define MEMORY_SLOT_INSERT_EVENT MINS
#define MEMORY_SLOT_REMOVE_EVENT MRMV
#define MEMORY_SLOT_EJECT MEJ
#define MEMORY_SLOT_SLECTOR MSEL
#define MEMORY_SLOT_OST_EVENT MOEV
#define MEMORY_SLOT_OST_STATUS MOSC
@ -51,6 +53,7 @@
#define MEMORY_SLOT_CRS_METHOD MCRS
#define MEMORY_SLOT_OST_METHOD MOST
#define MEMORY_SLOT_PROXIMITY_METHOD MPXM
#define MEMORY_SLOT_EJECT_METHOD MEJ0
#define MEMORY_SLOT_NOTIFY_METHOD MTFY
#define MEMORY_SLOT_SCAN_METHOD MSCN