\r
Copyright (C) 2012, Red Hat, Inc.\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
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Protocol/BlockIo.h>\r
#include <Protocol/ComponentName.h>\r
#include <Protocol/DriverBinding.h>\r
-#include <Protocol/PciIo.h>\r
-\r
-#include "Virtio.h"\r
\r
+#include <IndustryStandard/Virtio.h>\r
\r
-#define VBLK_SIG SIGNATURE_32 ('V', 'B', 'L', 'K')\r
+#define VBLK_SIG SIGNATURE_32 ('V', 'B', 'L', 'K')\r
\r
typedef struct {\r
//\r
// at various call depths. The table to the right should make it easier to\r
// track them.\r
//\r
- // field init function init dpth\r
- // ---------------------- ------------------ ---------\r
- UINT32 Signature; // DriverBindingStart 0\r
- EFI_PCI_IO_PROTOCOL *PciIo; // DriverBindingStart 0\r
- UINT64 OriginalPciAttributes; // DriverBindingStart 0\r
- VRING Ring; // VirtioRingInit 2\r
- EFI_BLOCK_IO_PROTOCOL BlockIo; // VirtioBlkInit 1\r
- EFI_BLOCK_IO_MEDIA BlockIoMedia; // VirtioBlkInit 1\r
+ // field init function init dpth\r
+ // --------------------- ------------------ ---------\r
+ UINT32 Signature; // DriverBindingStart 0\r
+ VIRTIO_DEVICE_PROTOCOL *VirtIo; // DriverBindingStart 0\r
+ EFI_EVENT ExitBoot; // DriverBindingStart 0\r
+ VRING Ring; // VirtioRingInit 2\r
+ EFI_BLOCK_IO_PROTOCOL BlockIo; // VirtioBlkInit 1\r
+ EFI_BLOCK_IO_MEDIA BlockIoMedia; // VirtioBlkInit 1\r
+ VOID *RingMap; // VirtioRingMap 2\r
} VBLK_DEV;\r
\r
#define VIRTIO_BLK_FROM_BLOCK_IO(BlockIoPointer) \\r
CR (BlockIoPointer, VBLK_DEV, BlockIo, VBLK_SIG)\r
\r
-\r
/**\r
\r
Device probe function for this driver.\r
underlying device\r
- 9 Driver Binding Protocol -- for exporting ourselves\r
\r
- Specs relevant in the specific sense:\r
- - UEFI Spec 2.3.1 + Errata C, 13.4 EFI PCI I/O Protocol\r
- - Driver Writer's Guide for UEFI 2.3.1 v1.01, 18 PCI Driver Design\r
- Guidelines, 18.3 PCI drivers.\r
-\r
@param[in] This The EFI_DRIVER_BINDING_PROTOCOL object\r
incorporating this driver (independently of\r
any device).\r
\r
@retval EFI_SUCCESS The driver supports the device being probed.\r
\r
- @retval EFI_UNSUPPORTED Based on virtio-blk PCI discovery, we do not support\r
+ @retval EFI_UNSUPPORTED Based on virtio-blk discovery, we do not support\r
the device.\r
\r
- @return Error codes from the OpenProtocol() boot service or\r
- the PciIo protocol.\r
+ @return Error codes from the OpenProtocol() boot service.\r
\r
**/\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioBlkDriverBindingSupported (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE DeviceHandle,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE DeviceHandle,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
);\r
\r
-\r
/**\r
\r
After we've pronounced support for a specific device in\r
DriverBindingSupported(), we start managing said device (passed in by the\r
- Driver Exeuction Environment) with the following service.\r
+ Driver Execution Environment) with the following service.\r
\r
See DriverBindingSupported() for specification references.\r
\r
\r
\r
@retval EFI_SUCCESS Driver instance has been created and\r
- initialized for the virtio-blk PCI device, it\r
- is now accessibla via EFI_BLOCK_IO_PROTOCOL.\r
+ initialized for the virtio-blk device, it\r
+ is now accessible via EFI_BLOCK_IO_PROTOCOL.\r
\r
@retval EFI_OUT_OF_RESOURCES Memory allocation failed.\r
\r
@return Error codes from the OpenProtocol() boot\r
- service, the PciIo protocol, VirtioBlkInit(),\r
- or the InstallProtocolInterface() boot service.\r
+ service, VirtioBlkInit(), or the\r
+ InstallProtocolInterface() boot service.\r
\r
**/\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioBlkDriverBindingStart (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE DeviceHandle,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE DeviceHandle,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
);\r
\r
-\r
/**\r
\r
Stop driving a virtio-blk device and remove its BlockIo interface.\r
EFI_STATUS\r
EFIAPI\r
VirtioBlkDriverBindingStop (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE DeviceHandle,\r
- IN UINTN NumberOfChildren,\r
- IN EFI_HANDLE *ChildHandleBuffer\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE DeviceHandle,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer\r
);\r
\r
-\r
//\r
// UEFI Spec 2.3.1 + Errata C, 12.8 EFI Block I/O Protocol\r
// Driver Writer's Guide for UEFI 2.3.1 v1.01,\r
EFI_STATUS\r
EFIAPI\r
VirtioBlkReset (\r
- IN EFI_BLOCK_IO_PROTOCOL *This,\r
- IN BOOLEAN ExtendedVerification\r
+ IN EFI_BLOCK_IO_PROTOCOL *This,\r
+ IN BOOLEAN ExtendedVerification\r
);\r
\r
-\r
/**\r
\r
ReadBlocks() operation for virtio-blk.\r
EFI_STATUS\r
EFIAPI\r
VirtioBlkReadBlocks (\r
- IN EFI_BLOCK_IO_PROTOCOL *This,\r
- IN UINT32 MediaId,\r
- IN EFI_LBA Lba,\r
- IN UINTN BufferSize,\r
- OUT VOID *Buffer\r
+ IN EFI_BLOCK_IO_PROTOCOL *This,\r
+ IN UINT32 MediaId,\r
+ IN EFI_LBA Lba,\r
+ IN UINTN BufferSize,\r
+ OUT VOID *Buffer\r
);\r
\r
-\r
/**\r
\r
WriteBlocks() operation for virtio-blk.\r
EFI_STATUS\r
EFIAPI\r
VirtioBlkWriteBlocks (\r
- IN EFI_BLOCK_IO_PROTOCOL *This,\r
- IN UINT32 MediaId,\r
- IN EFI_LBA Lba,\r
- IN UINTN BufferSize,\r
- IN VOID *Buffer\r
+ IN EFI_BLOCK_IO_PROTOCOL *This,\r
+ IN UINT32 MediaId,\r
+ IN EFI_LBA Lba,\r
+ IN UINTN BufferSize,\r
+ IN VOID *Buffer\r
);\r
\r
-\r
/**\r
\r
FlushBlocks() operation for virtio-blk.\r
EFI_STATUS\r
EFIAPI\r
VirtioBlkFlushBlocks (\r
- IN EFI_BLOCK_IO_PROTOCOL *This\r
+ IN EFI_BLOCK_IO_PROTOCOL *This\r
);\r
\r
-\r
//\r
// The purpose of the following scaffolding (EFI_COMPONENT_NAME_PROTOCOL and\r
// EFI_COMPONENT_NAME2_PROTOCOL implementation) is to format the driver's name\r
EFI_STATUS\r
EFIAPI\r
VirtioBlkGetDriverName (\r
- IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
- IN CHAR8 *Language,\r
- OUT CHAR16 **DriverName\r
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
+ IN CHAR8 *Language,\r
+ OUT CHAR16 **DriverName\r
);\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioBlkGetDeviceName (\r
- IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
- IN EFI_HANDLE DeviceHandle,\r
- IN EFI_HANDLE ChildHandle,\r
- IN CHAR8 *Language,\r
- OUT CHAR16 **ControllerName\r
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
+ IN EFI_HANDLE DeviceHandle,\r
+ IN EFI_HANDLE ChildHandle,\r
+ IN CHAR8 *Language,\r
+ OUT CHAR16 **ControllerName\r
);\r
\r
#endif // _VIRTIO_BLK_DXE_H_\r
projects / mirror_edk2.git / blobdiff