@@ -319,7 +319,7 @@ [Components.common]
#
# Platform Driver
#
- ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf
+ ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf
ArmVirtPkg/FdtClientDxe/FdtClientDxe.inf
ArmVirtPkg/HighMemDxe/HighMemDxe.inf
OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
@@ -103,7 +103,7 @@ [FV.FvMain]
INF MdeModulePkg/Core/Dxe/DxeMain.inf
INF MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
- INF ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf
+ INF ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf
INF ArmVirtPkg/FdtClientDxe/FdtClientDxe.inf
INF ArmVirtPkg/HighMemDxe/HighMemDxe.inf
@@ -297,7 +297,7 @@ [Components.common]
#
# Platform Driver
#
- ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf
+ ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf
ArmVirtPkg/FdtClientDxe/FdtClientDxe.inf
OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
OvmfPkg/VirtioScsiDxe/VirtioScsi.inf
@@ -125,7 +125,7 @@ [FV.FvMain]
INF MdeModulePkg/Core/Dxe/DxeMain.inf
INF MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
- INF ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf
+ INF ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf
INF ArmVirtPkg/FdtClientDxe/FdtClientDxe.inf
#
deleted file mode 100644
@@ -1,218 +0,0 @@
-/** @file
-* Device tree enumeration DXE driver for ARM Virtual Machines
-*
-* Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>
-*
-* This program and the accompanying materials are
-* licensed and made available under the terms and conditions of the BSD License
-* which accompanies this distribution. The full text of the license may be found at
-* http://opensource.org/licenses/bsd-license.php
-*
-* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-*
-**/
-
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-#include <Library/UefiLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/VirtioMmioDeviceLib.h>
-#include <Library/DevicePathLib.h>
-#include <Library/PcdLib.h>
-#include <Library/DxeServicesLib.h>
-#include <Library/HobLib.h>
-#include <libfdt.h>
-#include <Library/XenIoMmioLib.h>
-
-#include <Guid/VirtioMmioTransport.h>
-#include <Guid/FdtHob.h>
-
-#pragma pack (1)
-typedef struct {
- VENDOR_DEVICE_PATH Vendor;
- UINT64 PhysBase;
- EFI_DEVICE_PATH_PROTOCOL End;
-} VIRTIO_TRANSPORT_DEVICE_PATH;
-#pragma pack ()
-
-typedef enum {
- PropertyTypeUnknown,
- PropertyTypeVirtio,
- PropertyTypeXen,
-} PROPERTY_TYPE;
-
-typedef struct {
- PROPERTY_TYPE Type;
- CHAR8 Compatible[32];
-} PROPERTY;
-
-STATIC CONST PROPERTY CompatibleProperties[] = {
- { PropertyTypeVirtio, "virtio,mmio" },
- { PropertyTypeXen, "xen,xen" },
- { PropertyTypeUnknown, "" }
-};
-
-STATIC
-PROPERTY_TYPE
-GetTypeFromNode (
- IN CONST CHAR8 *NodeType,
- IN UINTN Size
- )
-{
- CONST CHAR8 *Compatible;
- CONST PROPERTY *CompatibleProperty;
-
- //
- // A 'compatible' node may contain a sequence of NULL terminated
- // compatible strings so check each one
- //
- for (Compatible = NodeType; Compatible < NodeType + Size && *Compatible;
- Compatible += 1 + AsciiStrLen (Compatible)) {
- for (CompatibleProperty = CompatibleProperties; CompatibleProperty->Compatible[0]; CompatibleProperty++) {
- if (AsciiStrCmp (CompatibleProperty->Compatible, Compatible) == 0) {
- return CompatibleProperty->Type;
- }
- }
- }
- return PropertyTypeUnknown;
-}
-
-EFI_STATUS
-EFIAPI
-InitializeVirtFdtDxe (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- VOID *Hob;
- VOID *DeviceTreeBase;
- INT32 Node, Prev;
- EFI_STATUS Status;
- CONST CHAR8 *Type;
- INT32 Len;
- PROPERTY_TYPE PropType;
- CONST VOID *RegProp;
- VIRTIO_TRANSPORT_DEVICE_PATH *DevicePath;
- EFI_HANDLE Handle;
- UINT64 RegBase;
-
- Hob = GetFirstGuidHob(&gFdtHobGuid);
- if (Hob == NULL || GET_GUID_HOB_DATA_SIZE (Hob) != sizeof (UINT64)) {
- return EFI_NOT_FOUND;
- }
- DeviceTreeBase = (VOID *)(UINTN)*(UINT64 *)GET_GUID_HOB_DATA (Hob);
-
- if (fdt_check_header (DeviceTreeBase) != 0) {
- DEBUG ((EFI_D_ERROR, "%a: No DTB found @ 0x%p\n", __FUNCTION__, DeviceTreeBase));
- return EFI_NOT_FOUND;
- }
-
- DEBUG ((EFI_D_INFO, "%a: DTB @ 0x%p\n", __FUNCTION__, DeviceTreeBase));
-
- //
- // Now enumerate the nodes and install peripherals that we are interested in,
- // i.e., GIC, RTC and virtio MMIO nodes
- //
- for (Prev = 0;; Prev = Node) {
- Node = fdt_next_node (DeviceTreeBase, Prev, NULL);
- if (Node < 0) {
- break;
- }
-
- Type = fdt_getprop (DeviceTreeBase, Node, "compatible", &Len);
- if (Type == NULL) {
- continue;
- }
-
- PropType = GetTypeFromNode (Type, Len);
- if (PropType == PropertyTypeUnknown) {
- continue;
- }
-
- //
- // Get the 'reg' property of this node. For now, we will assume
- // 8 byte quantities for base and size, respectively.
- // TODO use #cells root properties instead
- //
- RegProp = fdt_getprop (DeviceTreeBase, Node, "reg", &Len);
- ASSERT (RegProp != NULL);
-
- switch (PropType) {
- case PropertyTypeVirtio:
- ASSERT (Len == 16);
- //
- // Create a unique device path for this transport on the fly
- //
- RegBase = fdt64_to_cpu (((UINT64 *)RegProp)[0]);
- DevicePath = (VIRTIO_TRANSPORT_DEVICE_PATH *)CreateDeviceNode (
- HARDWARE_DEVICE_PATH,
- HW_VENDOR_DP,
- sizeof (VIRTIO_TRANSPORT_DEVICE_PATH));
- if (DevicePath == NULL) {
- DEBUG ((EFI_D_ERROR, "%a: Out of memory\n", __FUNCTION__));
- break;
- }
-
- CopyMem (&DevicePath->Vendor.Guid, &gVirtioMmioTransportGuid,
- sizeof (EFI_GUID));
- DevicePath->PhysBase = RegBase;
- SetDevicePathNodeLength (&DevicePath->Vendor,
- sizeof (*DevicePath) - sizeof (DevicePath->End));
- SetDevicePathEndNode (&DevicePath->End);
-
- Handle = NULL;
- Status = gBS->InstallProtocolInterface (&Handle,
- &gEfiDevicePathProtocolGuid, EFI_NATIVE_INTERFACE,
- DevicePath);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "%a: Failed to install the EFI_DEVICE_PATH "
- "protocol on a new handle (Status == %r)\n",
- __FUNCTION__, Status));
- FreePool (DevicePath);
- break;
- }
-
- Status = VirtioMmioInstallDevice (RegBase, Handle);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "%a: Failed to install VirtIO transport @ 0x%Lx "
- "on handle %p (Status == %r)\n", __FUNCTION__, RegBase,
- Handle, Status));
-
- Status = gBS->UninstallProtocolInterface (Handle,
- &gEfiDevicePathProtocolGuid, DevicePath);
- ASSERT_EFI_ERROR (Status);
- FreePool (DevicePath);
- }
- break;
-
- case PropertyTypeXen:
- ASSERT (Len == 16);
-
- //
- // Retrieve the reg base from this node and wire it up to the
- // MMIO flavor of the XenBus root device I/O protocol
- //
- RegBase = fdt64_to_cpu (((UINT64 *)RegProp)[0]);
- Handle = NULL;
- Status = XenIoMmioInstall (&Handle, RegBase);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "%a: XenIoMmioInstall () failed on a new handle "
- "(Status == %r)\n", __FUNCTION__, Status));
- break;
- }
-
- DEBUG ((EFI_D_INFO, "Found Xen node with Grant table @ 0x%Lx\n", RegBase));
-
- break;
-
- default:
- break;
- }
- }
-
- return EFI_SUCCESS;
-}
new file mode 100644
@@ -0,0 +1,127 @@
+/** @file
+* Virtio FDT client protocol driver for virtio,mmio DT node
+*
+* Copyright (c) 2014 - 2016, Linaro Ltd. All rights reserved.<BR>
+*
+* This program and the accompanying materials are
+* licensed and made available under the terms and conditions of the BSD License
+* which accompanies this distribution. The full text of the license may be found at
+* http://opensource.org/licenses/bsd-license.php
+*
+* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*
+**/
+
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/VirtioMmioDeviceLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/DxeServicesLib.h>
+
+#include <Guid/VirtioMmioTransport.h>
+
+#include <Protocol/FdtClient.h>
+
+#pragma pack (1)
+typedef struct {
+ VENDOR_DEVICE_PATH Vendor;
+ UINT64 PhysBase;
+ EFI_DEVICE_PATH_PROTOCOL End;
+} VIRTIO_TRANSPORT_DEVICE_PATH;
+#pragma pack ()
+
+EFI_STATUS
+EFIAPI
+InitializeVirtioFdtDxe (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status, Status2;
+ FDT_CLIENT_PROTOCOL *FdtClient;
+ INT32 Node;
+ CONST UINT64 *Reg;
+ UINT32 RegSize;
+ VIRTIO_TRANSPORT_DEVICE_PATH *DevicePath;
+ EFI_HANDLE Handle;
+ UINT64 RegBase;
+
+ Status = gBS->LocateProtocol (&gFdtClientProtocolGuid, NULL,
+ (VOID **)&FdtClient);
+ ASSERT_EFI_ERROR (Status);
+
+ for (Status = FdtClient->FindCompatibleNode (FdtClient, "virtio,mmio",
+ &Node);
+ Status == EFI_SUCCESS;
+ Status = FdtClient->FindNextCompatibleNode (FdtClient, "virtio,mmio",
+ Node, &Node)) {
+
+ Status2 = FdtClient->GetNodeProperty (FdtClient, Node, "reg",
+ (CONST VOID **)&Reg, &RegSize);
+ if (EFI_ERROR (Status2)) {
+ DEBUG ((EFI_D_ERROR, "%a: GetNodeProperty () failed (Status2 == %r)\n",
+ __FUNCTION__, Status2));
+ continue;
+ }
+
+ ASSERT (RegSize == 16);
+
+ //
+ // Create a unique device path for this transport on the fly
+ //
+ RegBase = SwapBytes64 (*Reg);
+ DevicePath = (VIRTIO_TRANSPORT_DEVICE_PATH *)CreateDeviceNode (
+ HARDWARE_DEVICE_PATH,
+ HW_VENDOR_DP,
+ sizeof (VIRTIO_TRANSPORT_DEVICE_PATH));
+ if (DevicePath == NULL) {
+ DEBUG ((EFI_D_ERROR, "%a: Out of memory\n", __FUNCTION__));
+ break;
+ }
+
+ CopyGuid (&DevicePath->Vendor.Guid, &gVirtioMmioTransportGuid);
+ DevicePath->PhysBase = RegBase;
+ SetDevicePathNodeLength (&DevicePath->Vendor,
+ sizeof (*DevicePath) - sizeof (DevicePath->End));
+ SetDevicePathEndNode (&DevicePath->End);
+
+ Handle = NULL;
+ Status2 = gBS->InstallProtocolInterface (&Handle,
+ &gEfiDevicePathProtocolGuid, EFI_NATIVE_INTERFACE,
+ DevicePath);
+ if (EFI_ERROR (Status2)) {
+ DEBUG ((EFI_D_ERROR, "%a: Failed to install the EFI_DEVICE_PATH "
+ "protocol on a new handle (Status2 == %r)\n",
+ __FUNCTION__, Status2));
+ FreePool (DevicePath);
+ break;
+ }
+
+ Status2 = VirtioMmioInstallDevice (RegBase, Handle);
+ if (EFI_ERROR (Status2)) {
+ DEBUG ((EFI_D_ERROR, "%a: Failed to install VirtIO transport @ 0x%Lx "
+ "on handle %p (Status2 == %r)\n", __FUNCTION__, RegBase,
+ Handle, Status2));
+
+ Status2 = gBS->UninstallProtocolInterface (Handle,
+ &gEfiDevicePathProtocolGuid, DevicePath);
+ ASSERT_EFI_ERROR (Status2);
+ FreePool (DevicePath);
+ break;
+ }
+ }
+
+ if (EFI_ERROR (Status) && Status != EFI_NOT_FOUND) {
+ DEBUG ((EFI_D_ERROR, "%a: Error occurred while iterating DT nodes "
+ "(Status == %r)\n", __FUNCTION__, Status));
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
similarity index 65%
rename from ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf
rename to ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.inf
@@ -1,7 +1,7 @@
## @file
-# Device tree enumeration DXE driver for ARM Virtual Machines
+# Virtio FDT client protocol driver for virtio,mmio DT node
#
-# Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>
+# Copyright (c) 2014 - 2016, Linaro Ltd. All rights reserved.<BR>
#
# This program and the accompanying materials are
# licensed and made available under the terms and conditions of the BSD License
@@ -15,41 +15,33 @@
[Defines]
INF_VERSION = 0x00010005
- BASE_NAME = VirtFdtDxe
+ BASE_NAME = VirtioFdtDxe
FILE_GUID = 9AD7DCB4-E6EC-472E-96BF-81C219A3F77E
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
- ENTRY_POINT = InitializeVirtFdtDxe
+ ENTRY_POINT = InitializeVirtioFdtDxe
[Sources]
- VirtFdtDxe.c
+ VirtioFdtDxe.c
[Packages]
- MdePkg/MdePkg.dec
- MdeModulePkg/MdeModulePkg.dec
- ArmPkg/ArmPkg.dec
- ArmPlatformPkg/ArmPlatformPkg.dec
ArmVirtPkg/ArmVirtPkg.dec
- EmbeddedPkg/EmbeddedPkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
OvmfPkg/OvmfPkg.dec
[LibraryClasses]
BaseLib
- PcdLib
UefiDriverEntryPoint
- DxeServicesLib
- FdtLib
VirtioMmioDeviceLib
- HobLib
- XenIoMmioLib
[Guids]
gVirtioMmioTransportGuid
- gFdtHobGuid
[Protocols]
- gEfiDevicePathProtocolGuid
+ gEfiDevicePathProtocolGuid ## PRODUCES
+ gFdtClientProtocolGuid ## CONSUMES
[Depex]
- TRUE
+ gFdtClientProtocolGuid
Now that we have moved the handling of the xen,xen DT node to XenioFdtDxe, remove its handling from VirtFdtDxe. Since the only functionality that remains is handling the virtio,mmio DT node, rename VirtFdtDxe to VirtioFdtDxe to reflect that. Also update the platforms that use this driver. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> --- ArmVirtPkg/ArmVirtQemu.dsc | 2 +- ArmVirtPkg/ArmVirtQemu.fdf | 2 +- ArmVirtPkg/ArmVirtQemuKernel.dsc | 2 +- ArmVirtPkg/ArmVirtQemuKernel.fdf | 2 +- ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.c | 218 -------------------- ArmVirtPkg/VirtioFdtDxe/VirtioFdtDxe.c | 127 ++++++++++++ ArmVirtPkg/{VirtFdtDxe/VirtFdtDxe.inf => VirtioFdtDxe/VirtioFdtDxe.inf} | 28 +-- 7 files changed, 141 insertions(+), 240 deletions(-) -- 2.5.0 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel