From 386ca8abf74cd98ca9c0ef64b4427acd4e2e2431 Mon Sep 17 00:00:00 2001
From: Gary Lin <glin@suse.com>
Date: Fri, 17 Jul 2020 14:11:22 +0800
Subject: OvmfPkg/LsiScsiDxe: Report the name of the driver

Implement LsiScsiGetDriverName() and LsiScsiGetDeviceName()
to report the name of the driver.

Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200717061130.8881-4-glin@suse.com>
---
 OvmfPkg/LsiScsiDxe/LsiScsi.c | 69 ++++++++++++++++++++++++++++++++++++++++++--
 OvmfPkg/LsiScsiDxe/LsiScsi.h | 31 ++++++++++++++++++++
 2 files changed, 98 insertions(+), 2 deletions(-)

(limited to 'OvmfPkg')

diff --git a/OvmfPkg/LsiScsiDxe/LsiScsi.c b/OvmfPkg/LsiScsiDxe/LsiScsi.c
index 79a2af4fee..62daa3ab99 100644
--- a/OvmfPkg/LsiScsiDxe/LsiScsi.c
+++ b/OvmfPkg/LsiScsiDxe/LsiScsi.c
@@ -74,6 +74,71 @@ EFI_DRIVER_BINDING_PROTOCOL gDriverBinding = {
 };
 
 
+//
+// The purpose of the following scaffolding (EFI_COMPONENT_NAME_PROTOCOL and
+// EFI_COMPONENT_NAME2_PROTOCOL implementation) is to format the driver's name
+// in English, for display on standard console devices. This is recommended for
+// UEFI drivers that follow the UEFI Driver Model. Refer to the Driver Writer's
+// Guide for UEFI 2.3.1 v1.01, 11 UEFI Driver and Controller Names.
+//
+// Device type names ("LSI 53C895A SCSI Controller") are not formatted because
+// the driver supports only that device type. Therefore the driver name
+// suffices for unambiguous identification.
+//
+
+STATIC
+EFI_UNICODE_STRING_TABLE mDriverNameTable[] = {
+  { "eng;en", L"LSI 53C895A SCSI Controller Driver" },
+  { NULL,     NULL                                  }
+};
+
+STATIC
+EFI_COMPONENT_NAME_PROTOCOL gComponentName;
+
+EFI_STATUS
+EFIAPI
+LsiScsiGetDriverName (
+  IN  EFI_COMPONENT_NAME_PROTOCOL *This,
+  IN  CHAR8                       *Language,
+  OUT CHAR16                      **DriverName
+  )
+{
+  return LookupUnicodeString2 (
+           Language,
+           This->SupportedLanguages,
+           mDriverNameTable,
+           DriverName,
+           (BOOLEAN)(This == &gComponentName) // Iso639Language
+           );
+}
+
+EFI_STATUS
+EFIAPI
+LsiScsiGetDeviceName (
+  IN  EFI_COMPONENT_NAME_PROTOCOL *This,
+  IN  EFI_HANDLE                  DeviceHandle,
+  IN  EFI_HANDLE                  ChildHandle,
+  IN  CHAR8                       *Language,
+  OUT CHAR16                      **ControllerName
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+STATIC
+EFI_COMPONENT_NAME_PROTOCOL gComponentName = {
+  &LsiScsiGetDriverName,
+  &LsiScsiGetDeviceName,
+  "eng" // SupportedLanguages, ISO 639-2 language codes
+};
+
+STATIC
+EFI_COMPONENT_NAME2_PROTOCOL gComponentName2 = {
+  (EFI_COMPONENT_NAME2_GET_DRIVER_NAME)     &LsiScsiGetDriverName,
+  (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) &LsiScsiGetDeviceName,
+  "en" // SupportedLanguages, RFC 4646 language codes
+};
+
 //
 // Entry point of this driver
 //
@@ -89,7 +154,7 @@ LsiScsiEntryPoint (
            SystemTable,
            &gDriverBinding,
            ImageHandle, // The handle to install onto
-           NULL, // TODO Component name
-           NULL  // TODO Component name
+           &gComponentName,
+           &gComponentName2
            );
 }
diff --git a/OvmfPkg/LsiScsiDxe/LsiScsi.h b/OvmfPkg/LsiScsiDxe/LsiScsi.h
index 328bd289b8..6c8dcbd70a 100644
--- a/OvmfPkg/LsiScsiDxe/LsiScsi.h
+++ b/OvmfPkg/LsiScsiDxe/LsiScsi.h
@@ -46,4 +46,35 @@ LsiScsiControllerStop (
   IN EFI_HANDLE                  *ChildHandleBuffer
   );
 
+
+//
+// The purpose of the following scaffolding (EFI_COMPONENT_NAME_PROTOCOL and
+// EFI_COMPONENT_NAME2_PROTOCOL implementation) is to format the driver's name
+// in English, for display on standard console devices. This is recommended for
+// UEFI drivers that follow the UEFI Driver Model. Refer to the Driver Writer's
+// Guide for UEFI 2.3.1 v1.01, 11 UEFI Driver and Controller Names.
+//
+// Device type names ("LSI 53C895A SCSI Controller") are not formatted because
+// the driver supports only that device type. Therefore the driver name
+// suffices for unambiguous identification.
+//
+
+EFI_STATUS
+EFIAPI
+LsiScsiGetDriverName (
+  IN  EFI_COMPONENT_NAME_PROTOCOL *This,
+  IN  CHAR8                       *Language,
+  OUT CHAR16                      **DriverName
+  );
+
+EFI_STATUS
+EFIAPI
+LsiScsiGetDeviceName (
+  IN  EFI_COMPONENT_NAME_PROTOCOL *This,
+  IN  EFI_HANDLE                  DeviceHandle,
+  IN  EFI_HANDLE                  ChildHandle,
+  IN  CHAR8                       *Language,
+  OUT CHAR16                      **ControllerName
+  );
+
 #endif // _LSI_SCSI_DXE_H_
-- 
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