ArmPlatformPkg/ArmFvpDxe: Added Virtio Block support

Right now the ARM Platform driver does not do much, but
I expect to move most platform specific code into platform
specific driver in the future.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>

v5:
- ensure / document that the VIRTIO_BLK_DEVICE_PATH structure must be
  packed
- fix whitespace damage in definition of "mVirtioBlockDevicePath"
- the platform driver is added to all platform DSC and FDF files in the
  previous patch; this patch focuses on virtio only

Change-Id: I3505bfc5b31085b8017bd9e6895a155bd7a2eee9
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-By: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14981 6f19259b-4bc3-4df7-8a09-765794883524

ArmPlatformPkg/ArmVExpressPkg/ArmFvpDxe/ArmFvpDxe.c

@@ -13,6 +13,41 @@
 **/
 
 #include <Library/UefiLib.h>
+#include <Library/VirtioMmioDeviceLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#define ARM_FVP_BASE_VIRTIO_BLOCK_BASE    0x1c130000
+
+#pragma pack(1)
+typedef struct {
+  VENDOR_DEVICE_PATH                  Vendor;
+  EFI_DEVICE_PATH_PROTOCOL            End;
+} VIRTIO_BLK_DEVICE_PATH;
+#pragma pack()
+
+VIRTIO_BLK_DEVICE_PATH mVirtioBlockDevicePath =
+{
+  {
+    {
+      HARDWARE_DEVICE_PATH,
+      HW_VENDOR_DP,
+      {
+        (UINT8)( sizeof(VENDOR_DEVICE_PATH) ),
+        (UINT8)((sizeof(VENDOR_DEVICE_PATH)) >> 8)
+      }
+    },
+    EFI_CALLER_ID_GUID,
+  },
+  {
+    END_DEVICE_PATH_TYPE,
+    END_ENTIRE_DEVICE_PATH_SUBTYPE,
+    {
+      sizeof (EFI_DEVICE_PATH_PROTOCOL),
+      0
+    }
+  }
+};
 
 EFI_STATUS
 EFIAPI
@@ -21,6 +56,20 @@ ArmFvpInitialise (
   IN EFI_SYSTEM_TABLE   *SystemTable
   )
 {
+  EFI_STATUS              Status;
 
-  return EFI_SUCCESS;
+  Status = gBS->InstallProtocolInterface (&ImageHandle,
+                 &gEfiDevicePathProtocolGuid, EFI_NATIVE_INTERFACE,
+                 &mVirtioBlockDevicePath);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  // Declare the Virtio BlockIo device
+  Status = VirtioMmioInstallDevice (ARM_FVP_BASE_VIRTIO_BLOCK_BASE, ImageHandle);
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "ArmFvpDxe: Failed to install Virtio block device\n"));
+  }
+
+  return Status;
 }

ArmPlatformPkg/ArmVExpressPkg/ArmFvpDxe/ArmFvpDxe.inf

@@ -26,7 +26,10 @@
 [Packages]
   MdePkg/MdePkg.dec
   ArmPlatformPkg/ArmPlatformPkg.dec
+  OvmfPkg/OvmfPkg.dec
 
 [LibraryClasses]
   UefiDriverEntryPoint
   UefiBootServicesTableLib
+  VirtioMmioDeviceLib
+  BaseMemoryLib

ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.dsc

@@ -42,6 +42,10 @@
 
   TimerLib|ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.inf
 
+  # Virtio Support
+  VirtioLib|OvmfPkg/Library/VirtioLib/VirtioLib.inf
+  VirtioMmioDeviceLib|OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceLib.inf
+
 [LibraryClasses.common.SEC]
   ArmLib|ArmPkg/Library/ArmLib/AArch64/AArch64LibSec.inf
   ArmPlatformSecLib|ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/ArmVExpressSecLib.inf
@@ -261,6 +265,12 @@
   ArmPlatformPkg/Drivers/PL180MciDxe/PL180MciDxe.inf
 !endif
 
+  #
+  # Platform Driver
+  #
+  ArmPlatformPkg/ArmVExpressPkg/ArmFvpDxe/ArmFvpDxe.inf
+  OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
+
   #
   # FAT filesystem + GPT/MBR partitioning
   #

ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.fdf

@@ -176,6 +176,12 @@ READ_LOCK_STATUS   = TRUE
   INF ArmPlatformPkg/Drivers/PL180MciDxe/PL180MciDxe.inf
 !endif
 
+  #
+  # Platform Driver
+  #
+  INF ArmPlatformPkg/ArmVExpressPkg/ArmFvpDxe/ArmFvpDxe.inf
+  INF OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
+
   #
   # UEFI application (Shell Embedded Boot Loader)
   #

ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-AEMv8Ax4-foundation.dsc

@@ -34,6 +34,10 @@
   ArmCpuLib|ArmPkg/Drivers/ArmCpuLib/ArmCortexAEMv8Lib/ArmCortexAEMv8Lib.inf
   ArmPlatformLib|ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/ArmVExpressFoundationLib.inf
 
+  # Virtio Support
+  VirtioLib|OvmfPkg/Library/VirtioLib/VirtioLib.inf
+  VirtioMmioDeviceLib|OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceLib.inf
+
   ArmPlatformSysConfigLib|ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSysConfigLib/ArmVExpressSysConfigLib.inf
 
   TimerLib|ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.inf
@@ -224,6 +228,7 @@
   # Platform Driver
   #
   ArmPlatformPkg/ArmVExpressPkg/ArmFvpDxe/ArmFvpDxe.inf
+  OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
 
   #
   # FAT filesystem + GPT/MBR partitioning

ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-AEMv8Ax4-foundation.fdf

@@ -158,6 +158,7 @@ READ_LOCK_STATUS   = TRUE
   # Platform Driver
   #
   INF ArmPlatformPkg/ArmVExpressPkg/ArmFvpDxe/ArmFvpDxe.inf
+  INF OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
 
   #
   # UEFI application (Shell Embedded Boot Loader)

ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-AEMv8Ax4.dsc

@@ -40,6 +40,10 @@
 
   TimerLib|ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.inf
 
+  # VirtIo Support
+  VirtioLib|OvmfPkg/Library/VirtioLib/VirtioLib.inf
+  VirtioMmioDeviceLib|OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceLib.inf
+
 [LibraryClasses.common.SEC]
   ArmLib|ArmPkg/Library/ArmLib/AArch64/AArch64LibSec.inf
   ArmPlatformSecLib|ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/ArmVExpressSecLib.inf
@@ -258,6 +262,7 @@
   # Platform Driver
   #
   ArmPlatformPkg/ArmVExpressPkg/ArmFvpDxe/ArmFvpDxe.inf
+  OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
 
   #
   # FAT filesystem + GPT/MBR partitioning

ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-AEMv8Ax4.fdf

@@ -168,6 +168,7 @@ READ_LOCK_STATUS   = TRUE
   # Platform Driver
   #
   INF ArmPlatformPkg/ArmVExpressPkg/ArmFvpDxe/ArmFvpDxe.inf
+  INF OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
 
   #
   # UEFI application (Shell Embedded Boot Loader)