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pc: memhp: enable nvdimm device hotplug

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_GPE.E04 is dedicated for nvdimm device hotplug

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Xiao Guangrong 2016-10-29 00:35:40 +08:00 • committed by Michael S. Tsirkin
parent 806864d9a8
commit b097cc52fc
6 changed files with 46 additions and 12 deletions
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3
docs/specs/acpi_mem_hotplug.txt
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@ -4,6 +4,9 @@ QEMU<->ACPI BIOS memory hotplug interface
ACPI BIOS GPE.3 handler is dedicated for notifying OS about memory hot-add
and hot-remove events.
ACPI BIOS GPE.4 handler is dedicated for notifying OS about nvdimm device
hot-add and hot-remove events.
Memory hot-plug interface (IO port 0xa00-0xa17, 1-4 byte access):
---------------------------------------------------------------
0xa00: