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authorIgor Mammedov <imammedo@redhat.com>2014-06-02 15:25:29 +0200
committerMichael S. Tsirkin <mst@redhat.com>2014-06-19 16:41:52 +0300
commit4635b16770157791145301ff388e2a85512a3b69 (patch)
tree5823769402eefa7bb509b84c025bf0a755ee20a5
parentcec65193d41099519f14fb744440eeabbfa6e4e3 (diff)
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pc: ACPI BIOS: make GPE.3 handle memory hotplug event on PIIX and Q35 machines
also make handler edge based to avoid losing events, the same as it has been done for PCI and CPU hotplug handlers. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--hw/i386/acpi-dsdt.dsl5
-rw-r--r--hw/i386/q35-acpi-dsdt.dsl5
2 files changed, 8 insertions, 2 deletions
diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl
index 8ae933b..3cc0ea0 100644
--- a/hw/i386/acpi-dsdt.dsl
+++ b/hw/i386/acpi-dsdt.dsl
@@ -314,6 +314,7 @@ DefinitionBlock (
/****************************************************************
* General purpose events
****************************************************************/
+ External(\_SB.PCI0.MEMORY_HOPTLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD, MethodObj)
Scope(\_GPE) {
Name(_HID, "ACPI0006")
@@ -330,7 +331,9 @@ DefinitionBlock (
// CPU hotplug event
\_SB.PRSC()
}
- Method(_L03) {
+ Method(_E03) {
+ // Memory hotplug event
+ \_SB.PCI0.MEMORY_HOPTLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD()
}
Method(_L04) {
}
diff --git a/hw/i386/q35-acpi-dsdt.dsl b/hw/i386/q35-acpi-dsdt.dsl
index fddc3b2..8c3eae7 100644
--- a/hw/i386/q35-acpi-dsdt.dsl
+++ b/hw/i386/q35-acpi-dsdt.dsl
@@ -410,6 +410,7 @@ DefinitionBlock (
/****************************************************************
* General purpose events
****************************************************************/
+ External(\_SB.PCI0.MEMORY_HOPTLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD, MethodObj)
Scope(\_GPE) {
Name(_HID, "ACPI0006")
@@ -422,7 +423,9 @@ DefinitionBlock (
// CPU hotplug event
\_SB.PRSC()
}
- Method(_L03) {
+ Method(_E03) {
+ // Memory hotplug event
+ \_SB.PCI0.MEMORY_HOPTLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD()
}
Method(_L04) {
}