OvmfPkg: VIRTIO_DEVICE_PROTOCOL: pass VRING object to SetQueueAddress()

[mirror_edk2.git] / OvmfPkg / VirtioPciDeviceDxe / VirtioPciDevice.h

/** @file\r
\r
  Internal definitions for the VirtIo PCI Device driver\r
\r
  Copyright (C) 2013, ARM Ltd\r
\r
  This program and the accompanying materials are licensed and made available\r
  under the terms and conditions of the BSD License which accompanies this\r
  distribution. The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT\r
  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef _VIRTIO_PCI_DEVICE_DXE_H_\r
#define _VIRTIO_PCI_DEVICE_DXE_H_\r
\r
#include <Protocol/ComponentName.h>\r
#include <Protocol/DriverBinding.h>\r
#include <Protocol/PciIo.h>\r
#include <Protocol/VirtioDevice.h>\r
\r
#include <IndustryStandard/Virtio.h>\r
\r
#define VIRTIO_PCI_DEVICE_SIGNATURE   SIGNATURE_32 ('V', 'P', 'C', 'I')\r
\r
typedef struct {\r
  UINT32                 Signature;\r
  VIRTIO_DEVICE_PROTOCOL VirtioDevice;\r
  EFI_PCI_IO_PROTOCOL   *PciIo;\r
  UINT64                 OriginalPciAttributes;\r
  UINT32                 DeviceSpecificConfigurationOffset;\r
} VIRTIO_PCI_DEVICE;\r
\r
#define VIRTIO_PCI_DEVICE_FROM_VIRTIO_DEVICE(Device) \\r
    CR (Device, VIRTIO_PCI_DEVICE, VirtioDevice, VIRTIO_PCI_DEVICE_SIGNATURE)\r
\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciIoRead (\r
  IN  VIRTIO_PCI_DEVICE         *Dev,\r
  IN  UINTN                      FieldOffset,\r
  IN  UINTN                      FieldSize,\r
  IN  UINTN                      BufferSize,\r
  OUT VOID                       *Buffer\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciIoWrite (\r
  IN  VIRTIO_PCI_DEVICE         *Dev,\r
  IN UINTN                       FieldOffset,\r
  IN UINTN                       FieldSize,\r
  IN UINT64                      Value\r
  );\r
\r
/********************************************\r
 * PCI Functions for VIRTIO_DEVICE_PROTOCOL\r
 *******************************************/\r
EFI_STATUS\r
EFIAPI\r
VirtioPciDeviceRead (\r
  IN  VIRTIO_DEVICE_PROTOCOL     *This,\r
  IN  UINTN                      FieldOffset,\r
  IN  UINTN                      FieldSize,\r
  IN  UINTN                      BufferSize,\r
  OUT VOID                       *Buffer\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciDeviceWrite (\r
  IN VIRTIO_DEVICE_PROTOCOL      *This,\r
  IN UINTN                       FieldOffset,\r
  IN UINTN                       FieldSize,\r
  IN UINT64                      Value\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciGetDeviceFeatures (\r
  IN VIRTIO_DEVICE_PROTOCOL *This,\r
  OUT UINT64                *DeviceFeatures\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciGetQueueSize (\r
  IN  VIRTIO_DEVICE_PROTOCOL  *This,\r
  OUT UINT16                  *QueueNumMax\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetQueueAlignment (\r
  VIRTIO_DEVICE_PROTOCOL         *This,\r
  UINT32                         Alignment\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetPageSize (\r
  VIRTIO_DEVICE_PROTOCOL         *This,\r
  UINT32                         PageSize\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciGetDeviceStatus (\r
  IN  VIRTIO_DEVICE_PROTOCOL  *This,\r
  OUT UINT8                   *DeviceStatus\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetGuestFeatures (\r
  IN VIRTIO_DEVICE_PROTOCOL  *This,\r
  IN UINT64                   Features\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetQueueAddress (\r
  IN VIRTIO_DEVICE_PROTOCOL  *This,\r
  IN VRING                   *Ring\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetQueueSel (\r
  VIRTIO_DEVICE_PROTOCOL         *This,\r
  UINT16                         Sel\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetQueueNotify (\r
  VIRTIO_DEVICE_PROTOCOL         *This,\r
  UINT16                         Index\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetQueueSize (\r
  VIRTIO_DEVICE_PROTOCOL         *This,\r
  UINT16                         Size\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetDeviceStatus (\r
  VIRTIO_DEVICE_PROTOCOL         *This,\r
  UINT8                          DeviceStatus\r
  );\r
\r
#endif // _VIRTIO_PCI_DEVICE_DXE_H_\r