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pc: memhp: move nvdimm hotplug out of memory hotplug

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as they use completely different way to handle hotplug event

Suggested-by: Igor Mammedov <imammedo@redhat.com>
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>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
This commit is contained in:
Xiao Guangrong
2016-11-07 19:13:38 +08:00
committed by Michael S. Tsirkin
parent 12f86b5b3e
commit 75f2749822
8 changed files with 34 additions and 29 deletions
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3
docs/specs/acpi_mem_hotplug.txt
View File

@@ -4,9 +4,6 @@ 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:

5
docs/specs/acpi_nvdimm.txt
View File

@@ -127,6 +127,11 @@ _DSM process diagram:
| result from the page | | |
+--------------------------+ +--------------+
NVDIMM hotplug
--------------
ACPI BIOS GPE.4 handler is dedicated for notifying OS about nvdimm device
hot-add event.
Device Handle Reservation
-------------------------
As we mentioned above, byte 0 ~ byte 3 in the DSM memory save NVDIMM device