[PATCH 02/14] OvmfPkg/MptScsiDxe: Install DriverBinding Protocol

[Nikita Leshenko <nikita.leshchenko@oracle.com>]

In order to probe and connect to the MptScsi device we need this
protocol. Currently it does nothing.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Aaron Young <aaron.young@oracle.com>
Reviewed-by: Liran Alon <liran.alon@oracle.com>
---
 OvmfPkg/MptScsiDxe/MptScsi.c      | 65 ++++++++++++++++++++++++++++++-
 OvmfPkg/MptScsiDxe/MptScsiDxe.inf |  1 +
 2 files changed, 65 insertions(+), 1 deletion(-)

diff --git a/OvmfPkg/MptScsiDxe/MptScsi.c b/OvmfPkg/MptScsiDxe/MptScsi.c
index 73a693741d..4dcb1b1ae5 100644
--- a/OvmfPkg/MptScsiDxe/MptScsi.c
+++ b/OvmfPkg/MptScsiDxe/MptScsi.c
@@ -15,6 +15,62 @@
 
 **/
 
+#include <Library/UefiLib.h>
+
+//
+// Driver Binding
+//
+
+STATIC
+EFI_STATUS
+EFIAPI
+MptScsiControllerSupported (
+  IN EFI_DRIVER_BINDING_PROTOCOL            *This,
+  IN EFI_HANDLE                             ControllerHandle,
+  IN EFI_DEVICE_PATH_PROTOCOL               *RemainingDevicePath OPTIONAL
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+MptScsiControllerStart (
+  IN EFI_DRIVER_BINDING_PROTOCOL            *This,
+  IN EFI_HANDLE                             ControllerHandle,
+  IN EFI_DEVICE_PATH_PROTOCOL               *RemainingDevicePath OPTIONAL
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+MptScsiControllerStop (
+  IN EFI_DRIVER_BINDING_PROTOCOL            *This,
+  IN  EFI_HANDLE                            ControllerHandle,
+  IN  UINTN                                 NumberOfChildren,
+  IN  EFI_HANDLE                            *ChildHandleBuffer
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+// Higher versions will be used before lower, 0x10-0xffffffef is the version
+// range for IVH (Indie Hardware Vendors)
+#define MPT_SCSI_BINDING_VERSION 0x10
+STATIC
+EFI_DRIVER_BINDING_PROTOCOL gMptScsiDriverBinding = {
+  &MptScsiControllerSupported,
+  &MptScsiControllerStart,
+  &MptScsiControllerStop,
+  MPT_SCSI_BINDING_VERSION,
+  NULL, // ImageHandle filled by EfiLibInstallDriverBindingComponentName2
+  NULL, // DriverBindingHandle filled by EfiLibInstallDriverBindingComponentName2
+};
+
 //
 // Entry Point
 //
@@ -26,5 +82,12 @@ MptScsiEntryPoint (
   IN EFI_SYSTEM_TABLE *SystemTable
   )
 {
-  return EFI_UNSUPPORTED;
+  return EfiLibInstallDriverBindingComponentName2 (
+    ImageHandle,
+    SystemTable,
+    &gMptScsiDriverBinding,
+    ImageHandle, // The handle to install onto
+    NULL, // TODO Component name
+    NULL // TODO Component name
+    );
 }
diff --git a/OvmfPkg/MptScsiDxe/MptScsiDxe.inf b/OvmfPkg/MptScsiDxe/MptScsiDxe.inf
index c558d78034..8a780a661e 100644
--- a/OvmfPkg/MptScsiDxe/MptScsiDxe.inf
+++ b/OvmfPkg/MptScsiDxe/MptScsiDxe.inf
@@ -31,3 +31,4 @@
 
 [LibraryClasses]
   UefiDriverEntryPoint
+  UefiLib
-- 
2.20.1