[PATCH 01/17] OvmfPkg/PvScsiDxe: Create empty driver

["Liran Alon" <liran.alon@oracle.com>]

In preparation for support booting from PvScsi devices, create a
basic scaffolding for a driver.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2567
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
---
 OvmfPkg/OvmfPkgIa32.dsc      |  8 ++++++++
 OvmfPkg/OvmfPkgIa32.fdf      |  3 +++
 OvmfPkg/OvmfPkgIa32X64.dsc   |  8 ++++++++
 OvmfPkg/OvmfPkgIa32X64.fdf   |  3 +++
 OvmfPkg/OvmfPkgX64.dsc       |  8 ++++++++
 OvmfPkg/OvmfPkgX64.fdf       |  3 +++
 OvmfPkg/PvScsiDxe/PvScsi.c   | 24 ++++++++++++++++++++++++
 OvmfPkg/PvScsiDxe/PvScsi.inf | 27 +++++++++++++++++++++++++++
 8 files changed, 84 insertions(+)
 create mode 100644 OvmfPkg/PvScsiDxe/PvScsi.c
 create mode 100644 OvmfPkg/PvScsiDxe/PvScsi.inf

diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 19728f20b34e..79b8c58e54c3 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -44,6 +44,11 @@
 
 !include NetworkPkg/NetworkDefines.dsc.inc
 
+  #
+  # Device drivers
+  #
+  DEFINE PVSCSI_ENABLE           = TRUE
+
   #
   # Flash size selection. Setting FD_SIZE_IN_KB on the command line directly to
   # one of the supported values, in place of any of the convenience macros, is
@@ -718,6 +723,9 @@
   OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
   OvmfPkg/XenBusDxe/XenBusDxe.inf
   OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
+!ifdef $(PVSCSI_ENABLE)
+  OvmfPkg/PvScsiDxe/PvScsiDxe.inf
+!endif
   MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.inf
   MdeModulePkg/Universal/MonotonicCounterRuntimeDxe/MonotonicCounterRuntimeDxe.inf
   MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
diff --git a/OvmfPkg/OvmfPkgIa32.fdf b/OvmfPkg/OvmfPkgIa32.fdf
index 63607551ed75..f59a58bc2689 100644
--- a/OvmfPkg/OvmfPkgIa32.fdf
+++ b/OvmfPkg/OvmfPkgIa32.fdf
@@ -227,6 +227,9 @@ INF  OvmfPkg/VirtioRngDxe/VirtioRng.inf
 INF  OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
 INF  OvmfPkg/XenBusDxe/XenBusDxe.inf
 INF  OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
+!if $(PVSCSI_ENABLE) == TRUE
+  INF  OvmfPkg/PvScsiDxe/PvScsiDxe.inf
+!endif
 
 !if $(SECURE_BOOT_ENABLE) == TRUE
   INF  SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigDxe.inf
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index 3c0c229e3a72..744f7eb05e12 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -44,6 +44,11 @@
 
 !include NetworkPkg/NetworkDefines.dsc.inc
 
+  #
+  # Device drivers
+  #
+  DEFINE PVSCSI_ENABLE           = TRUE
+
   #
   # Flash size selection. Setting FD_SIZE_IN_KB on the command line directly to
   # one of the supported values, in place of any of the convenience macros, is
@@ -731,6 +736,9 @@
   OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
   OvmfPkg/XenBusDxe/XenBusDxe.inf
   OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
+!ifdef $(PVSCSI_ENABLE)
+  OvmfPkg/PvScsiDxe/PvScsiDxe.inf
+!endif
   MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.inf
   MdeModulePkg/Universal/MonotonicCounterRuntimeDxe/MonotonicCounterRuntimeDxe.inf
   MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
diff --git a/OvmfPkg/OvmfPkgIa32X64.fdf b/OvmfPkg/OvmfPkgIa32X64.fdf
index 0488e5d95ffe..5fd21ea1b2de 100644
--- a/OvmfPkg/OvmfPkgIa32X64.fdf
+++ b/OvmfPkg/OvmfPkgIa32X64.fdf
@@ -228,6 +228,9 @@ INF  OvmfPkg/VirtioRngDxe/VirtioRng.inf
 INF  OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
 INF  OvmfPkg/XenBusDxe/XenBusDxe.inf
 INF  OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
+!if $(PVSCSI_ENABLE) == TRUE
+  INF  OvmfPkg/PvScsiDxe/PvScsiDxe.inf
+!endif
 
 !if $(SECURE_BOOT_ENABLE) == TRUE
   INF  SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigDxe.inf
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index f6c1d8d228c6..64ed3d5ec18e 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -44,6 +44,11 @@
 
 !include NetworkPkg/NetworkDefines.dsc.inc
 
+  #
+  # Device drivers
+  #
+  DEFINE PVSCSI_ENABLE           = TRUE
+
   #
   # Flash size selection. Setting FD_SIZE_IN_KB on the command line directly to
   # one of the supported values, in place of any of the convenience macros, is
@@ -729,6 +734,9 @@
   OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
   OvmfPkg/XenBusDxe/XenBusDxe.inf
   OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
+!ifdef $(PVSCSI_ENABLE)
+  OvmfPkg/PvScsiDxe/PvScsi.inf
+!endif
   MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.inf
   MdeModulePkg/Universal/MonotonicCounterRuntimeDxe/MonotonicCounterRuntimeDxe.inf
   MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
diff --git a/OvmfPkg/OvmfPkgX64.fdf b/OvmfPkg/OvmfPkgX64.fdf
index 0488e5d95ffe..c155993dc16f 100644
--- a/OvmfPkg/OvmfPkgX64.fdf
+++ b/OvmfPkg/OvmfPkgX64.fdf
@@ -228,6 +228,9 @@ INF  OvmfPkg/VirtioRngDxe/VirtioRng.inf
 INF  OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
 INF  OvmfPkg/XenBusDxe/XenBusDxe.inf
 INF  OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
+!if $(PVSCSI_ENABLE) == TRUE
+  INF  OvmfPkg/PvScsiDxe/PvScsi.inf
+!endif
 
 !if $(SECURE_BOOT_ENABLE) == TRUE
   INF  SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigDxe.inf
diff --git a/OvmfPkg/PvScsiDxe/PvScsi.c b/OvmfPkg/PvScsiDxe/PvScsi.c
new file mode 100644
index 000000000000..a3f704d60d77
--- /dev/null
+++ b/OvmfPkg/PvScsiDxe/PvScsi.c
@@ -0,0 +1,24 @@
+/** @file
+
+  This driver produces Extended SCSI Pass Thru Protocol instances for
+  pvscsi devices.
+
+  Copyright (C) 2020, Oracle and/or its affiliates.
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+//
+// Entry Point
+//
+
+EFI_STATUS
+EFIAPI
+PvScsiEntryPoint (
+  IN EFI_HANDLE       ImageHandle,
+  IN EFI_SYSTEM_TABLE *SystemTable
+  )
+{
+  return EFI_UNSUPPORTED;
+}
diff --git a/OvmfPkg/PvScsiDxe/PvScsi.inf b/OvmfPkg/PvScsiDxe/PvScsi.inf
new file mode 100644
index 000000000000..093cc0171338
--- /dev/null
+++ b/OvmfPkg/PvScsiDxe/PvScsi.inf
@@ -0,0 +1,27 @@
+## @file
+#
+# This driver produces Extended SCSI Pass Thru Protocol instances for
+# pvscsi devices.
+#
+# Copyright (C) 2020, Oracle and/or its affiliates.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 1.29
+  BASE_NAME                      = PvScsiDxe
+  FILE_GUID                      = 30346B14-1580-4781-879D-BA0C55AE9BB2
+  MODULE_TYPE                    = UEFI_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = PvScsiEntryPoint
+
+[Sources]
+  PvScsi.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+
+[LibraryClasses]
+  UefiDriverEntryPoint
-- 
2.20.1