[Linaro-uefi,2/3] ArmPkg/ArmGicDxe: expose HardwareInterrupt2 protocol

diff --git a/ArmPkg/Drivers/ArmGic/ArmGicCommonDxe.c b/ArmPkg/Drivers/ArmGic/ArmGicCommonDxe.c
index be77b8361c5a..88056fa8cb5c 100644
--- a/ArmPkg/Drivers/ArmGic/ArmGicCommonDxe.c
+++ b/ArmPkg/Drivers/ArmGic/ArmGicCommonDxe.c
@@ -88,6 +88,7 @@  RegisterInterruptSource (
 EFI_STATUS
 InstallAndRegisterInterruptService (
   IN EFI_HARDWARE_INTERRUPT_PROTOCOL   *InterruptProtocol,
+  IN EFI_HARDWARE_INTERRUPT2_PROTOCOL  *Interrupt2Protocol,
   IN EFI_CPU_INTERRUPT_HANDLER          InterruptHandler,
   IN EFI_EVENT_NOTIFY                   ExitBootServicesEvent
   )
@@ -103,7 +104,8 @@  InstallAndRegisterInterruptService (
 
   Status = gBS->InstallMultipleProtocolInterfaces (
                   &gHardwareInterruptHandle,
-                  &gHardwareInterruptProtocolGuid, InterruptProtocol,
+                  &gHardwareInterruptProtocolGuid,  InterruptProtocol,
+                  &gHardwareInterrupt2ProtocolGuid, Interrupt2Protocol,
                   NULL
                   );
   if (EFI_ERROR (Status)) {
diff --git a/ArmPkg/Drivers/ArmGic/ArmGicDxe.h b/ArmPkg/Drivers/ArmGic/ArmGicDxe.h
index af33aa90b00c..2633e1ea194f 100644
--- a/ArmPkg/Drivers/ArmGic/ArmGicDxe.h
+++ b/ArmPkg/Drivers/ArmGic/ArmGicDxe.h
@@ -24,6 +24,7 @@  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 #include <Protocol/Cpu.h>
 #include <Protocol/HardwareInterrupt.h>
+#include <Protocol/HardwareInterrupt2.h>
 
 extern UINTN                        mGicNumInterrupts;
 extern HARDWARE_INTERRUPT_HANDLER  *gRegisteredInterruptHandlers;
@@ -34,6 +35,7 @@  extern HARDWARE_INTERRUPT_HANDLER  *gRegisteredInterruptHandlers;
 EFI_STATUS
 InstallAndRegisterInterruptService (
   IN EFI_HARDWARE_INTERRUPT_PROTOCOL   *InterruptProtocol,
+  IN EFI_HARDWARE_INTERRUPT2_PROTOCOL  *Interrupt2Protocol,
   IN EFI_CPU_INTERRUPT_HANDLER          InterruptHandler,
   IN EFI_EVENT_NOTIFY                   ExitBootServicesEvent
   );
diff --git a/ArmPkg/Drivers/ArmGic/ArmGicDxe.inf b/ArmPkg/Drivers/ArmGic/ArmGicDxe.inf
index e554301c4b28..69390638a9af 100644
--- a/ArmPkg/Drivers/ArmGic/ArmGicDxe.inf
+++ b/ArmPkg/Drivers/ArmGic/ArmGicDxe.inf
@@ -48,6 +48,7 @@  [LibraryClasses]
 
 [Protocols]
   gHardwareInterruptProtocolGuid
+  gHardwareInterrupt2ProtocolGuid
   gEfiCpuArchProtocolGuid
 
 [Pcd.common]
diff --git a/ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Dxe.c b/ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Dxe.c
index 34d4be386764..7bbdb044ce8d 100644
--- a/ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Dxe.c
+++ b/ArmPkg/Drivers/ArmGic/GicV2/ArmGicV2Dxe.c
@@ -193,6 +193,40 @@  EFI_HARDWARE_INTERRUPT_PROTOCOL gHardwareInterruptV2Protocol = {
   GicV2EndOfInterrupt
 };
 
+STATIC
+EFI_STATUS
+EFIAPI
+GicV2GetTriggerType (
+  IN  EFI_HARDWARE_INTERRUPT2_PROTOCOL      *This,
+  IN  HARDWARE_INTERRUPT_SOURCE             Source,
+  OUT EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE  *TriggerType
+  )
+{
+  return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+GicV2SetTriggerType (
+  IN  EFI_HARDWARE_INTERRUPT2_PROTOCOL      *This,
+  IN  HARDWARE_INTERRUPT_SOURCE             Source,
+  IN  EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE  TriggerType
+  )
+{
+  return EFI_SUCCESS;
+}
+
+STATIC EFI_HARDWARE_INTERRUPT2_PROTOCOL gHardwareInterrupt2V2Protocol = {
+  (HARDWARE_INTERRUPT2_REGISTER)RegisterInterruptSource,
+  (HARDWARE_INTERRUPT2_ENABLE)GicV2EnableInterruptSource,
+  (HARDWARE_INTERRUPT2_DISABLE)GicV2DisableInterruptSource,
+  (HARDWARE_INTERRUPT2_INTERRUPT_STATE)GicV2GetInterruptSourceState,
+  (HARDWARE_INTERRUPT2_END_OF_INTERRUPT)GicV2EndOfInterrupt,
+  GicV2GetTriggerType,
+  GicV2SetTriggerType
+};
+
 /**
   Shutdown our hardware
 
@@ -311,7 +345,8 @@  GicV2DxeInitialize (
   ArmGicEnableDistributor (mGicDistributorBase);
 
   Status = InstallAndRegisterInterruptService (
-          &gHardwareInterruptV2Protocol, GicV2IrqInterruptHandler, GicV2ExitBootServicesEvent);
+             &gHardwareInterruptV2Protocol, &gHardwareInterrupt2V2Protocol,
+             GicV2IrqInterruptHandler, GicV2ExitBootServicesEvent);
 
   return Status;
 }
diff --git a/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c b/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c
index 983936f3738a..ad845d54c355 100644
--- a/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c
+++ b/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c
@@ -184,6 +184,40 @@  EFI_HARDWARE_INTERRUPT_PROTOCOL gHardwareInterruptV3Protocol = {
   GicV3EndOfInterrupt
 };
 
+STATIC
+EFI_STATUS
+EFIAPI
+GicV3GetTriggerType (
+  IN  EFI_HARDWARE_INTERRUPT2_PROTOCOL      *This,
+  IN  HARDWARE_INTERRUPT_SOURCE             Source,
+  OUT EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE  *TriggerType
+  )
+{
+  return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+GicV3SetTriggerType (
+  IN  EFI_HARDWARE_INTERRUPT2_PROTOCOL      *This,
+  IN  HARDWARE_INTERRUPT_SOURCE             Source,
+  IN  EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE  TriggerType
+  )
+{
+  return EFI_SUCCESS;
+}
+
+STATIC EFI_HARDWARE_INTERRUPT2_PROTOCOL gHardwareInterrupt2V3Protocol = {
+  (HARDWARE_INTERRUPT2_REGISTER)RegisterInterruptSource,
+  (HARDWARE_INTERRUPT2_ENABLE)GicV3EnableInterruptSource,
+  (HARDWARE_INTERRUPT2_DISABLE)GicV3DisableInterruptSource,
+  (HARDWARE_INTERRUPT2_INTERRUPT_STATE)GicV3GetInterruptSourceState,
+  (HARDWARE_INTERRUPT2_END_OF_INTERRUPT)GicV3EndOfInterrupt,
+  GicV3GetTriggerType,
+  GicV3SetTriggerType
+};
+
 /**
   Shutdown our hardware
 
@@ -331,7 +365,8 @@  GicV3DxeInitialize (
   ArmGicEnableDistributor (mGicDistributorBase);
 
   Status = InstallAndRegisterInterruptService (
-          &gHardwareInterruptV3Protocol, GicV3IrqInterruptHandler, GicV3ExitBootServicesEvent);
+             &gHardwareInterruptV3Protocol, &gHardwareInterrupt2V3Protocol,
+             GicV3IrqInterruptHandler, GicV3ExitBootServicesEvent);
 
   return Status;
 }