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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 /hw
parentcec65193d41099519f14fb744440eeabbfa6e4e3 (diff)
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>
Diffstat (limited to 'hw')
-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 8ae933bc38..3cc0ea0f9a 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 fddc3b27ff..8c3eae73bf 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) {
}