diff options
Diffstat (limited to 'OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.h')
| -rw-r--r-- | OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.h b/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.h new file mode 100644 index 0000000000..6311ae849d --- /dev/null +++ b/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.h @@ -0,0 +1,166 @@ +/** @file
+
+ Internal definitions for the VirtIo PCI Device driver
+
+ Copyright (C) 2013, ARM Ltd
+
+ 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.
+
+**/
+
+#ifndef _VIRTIO_PCI_DEVICE_DXE_H_
+#define _VIRTIO_PCI_DEVICE_DXE_H_
+
+#include <Protocol/ComponentName.h>
+#include <Protocol/DriverBinding.h>
+#include <Protocol/PciIo.h>
+#include <Protocol/VirtioDevice.h>
+
+#include <IndustryStandard/Virtio.h>
+
+#define VIRTIO_PCI_DEVICE_SIGNATURE SIGNATURE_32 ('V', 'P', 'C', 'I')
+
+typedef struct {
+ UINT32 Signature;
+ VIRTIO_DEVICE_PROTOCOL VirtioDevice;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT64 OriginalPciAttributes;
+ UINT32 DeviceSpecificConfigurationOffset;
+} VIRTIO_PCI_DEVICE;
+
+#define VIRTIO_PCI_DEVICE_FROM_VIRTIO_DEVICE(Device) \
+ CR (Device, VIRTIO_PCI_DEVICE, VirtioDevice, VIRTIO_PCI_DEVICE_SIGNATURE)
+
+
+EFI_STATUS
+EFIAPI
+VirtioPciIoRead (
+ IN VIRTIO_PCI_DEVICE *Dev,
+ IN UINTN FieldOffset,
+ IN UINTN FieldSize,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciIoWrite (
+ IN VIRTIO_PCI_DEVICE *Dev,
+ IN UINTN FieldOffset,
+ IN UINTN FieldSize,
+ IN UINT64 Value
+ );
+
+/********************************************
+ * PCI Functions for VIRTIO_DEVICE_PROTOCOL
+ *******************************************/
+EFI_STATUS
+EFIAPI
+VirtioPciDeviceRead (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ IN UINTN FieldOffset,
+ IN UINTN FieldSize,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciDeviceWrite (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ IN UINTN FieldOffset,
+ IN UINTN FieldSize,
+ IN UINT64 Value
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciGetDeviceFeatures (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ OUT UINT32 *DeviceFeatures
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciGetQueueAddress (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ OUT UINT32 *QueueAddress
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciGetQueueSize (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ OUT UINT16 *QueueNumMax
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciSetQueueAlignment (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT32 Alignment
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciSetPageSize (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT32 PageSize
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciGetDeviceStatus (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ OUT UINT8 *DeviceStatus
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciSetGuestFeatures (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ IN UINT32 Features
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciSetQueueAddress (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT32 Address
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciSetQueueSel (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT16 Sel
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciSetQueueNotify (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT16 Index
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciSetQueueSize (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT16 Size
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioPciSetDeviceStatus (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT8 DeviceStatus
+ );
+
+#endif // _VIRTIO_PCI_DEVICE_DXE_H_
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