On 11/02/2016 07:21 PM, Igor Mammedov wrote:
On Sat, 29 Oct 2016 00:35:40 +0800
Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx> wrote:
_GPE.E04 is dedicated for nvdimm device hotplug
Signed-off-by: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
---
docs/specs/acpi_mem_hotplug.txt | 3 +++
hw/acpi/memory_hotplug.c | 31 +++++++++++++++++++++++--------
hw/i386/acpi-build.c | 7 +++++++
hw/i386/pc.c | 12 ++++++++++++
hw/mem/nvdimm.c | 4 ----
include/hw/acpi/acpi_dev_interface.h | 1 +
6 files changed, 46 insertions(+), 12 deletions(-)
diff --git a/docs/specs/acpi_mem_hotplug.txt b/docs/specs/acpi_mem_hotplug.txt
index 3df3620..cb26dd2 100644
--- a/docs/specs/acpi_mem_hotplug.txt
+++ b/docs/specs/acpi_mem_hotplug.txt
@@ -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.
that should be part of nvdimm spec
Okay.
Memory hot-plug interface (IO port 0xa00-0xa17, 1-4 byte access):
---------------------------------------------------------------
0xa00:
diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c
index ec4e64b..70f6451 100644
--- a/hw/acpi/memory_hotplug.c
+++ b/hw/acpi/memory_hotplug.c
so far nvdimm hotplug has nothing do with memory hotplug so revert
all changes you did to this file and put nvdimm hotplug handler
code into hw/acpi/nvdimm.c
and call it from respective ich9/piix4_pm handlers.
Okay.
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