diff options
Diffstat (limited to 'OvmfPkg/Include/Library')
| -rw-r--r-- | OvmfPkg/Include/Library/VirtioLib.h | 59 |
1 files changed, 31 insertions, 28 deletions
diff --git a/OvmfPkg/Include/Library/VirtioLib.h b/OvmfPkg/Include/Library/VirtioLib.h index 51303491d0..8c043369c3 100644 --- a/OvmfPkg/Include/Library/VirtioLib.h +++ b/OvmfPkg/Include/Library/VirtioLib.h @@ -17,17 +17,19 @@ #ifndef _VIRTIO_LIB_H_
#define _VIRTIO_LIB_H_
-#include <Protocol/PciIo.h>
+#include <Protocol/VirtioDevice.h>
+
#include <IndustryStandard/Virtio.h>
/**
- Write a word into Region 0 of the device specified by PciIo.
+ Write a word into VirtIo Device Specific Region
- Region 0 must be an iomem region. This is an internal function for the
- driver-specific VIRTIO_CFG_WRITE() macros.
+ The VirtIo Device Specific Region must be an iomem region.
+ This is an internal function for the driver-specific VIRTIO_CFG_WRITE()
+ macros.
- @param[in] PciIo Target PCI device.
+ @param[in] VirtIo Target Virtio device.
@param[in] FieldOffset Destination offset.
@@ -37,27 +39,28 @@ The least significant FieldSize bytes will be used.
- @return Status code returned by PciIo->Io.Write().
+ @return Status code returned by VirtIo->WriteDevice().
**/
EFI_STATUS
EFIAPI
-VirtioWrite (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN UINTN FieldOffset,
- IN UINTN FieldSize,
- IN UINT64 Value
+VirtioWriteDevice (
+ IN VIRTIO_DEVICE_PROTOCOL *VirtIo,
+ IN UINTN FieldOffset,
+ IN UINTN FieldSize,
+ IN UINT64 Value
);
/**
- Read a word from Region 0 of the device specified by PciIo.
+ Read a word from VirtIo Device Specific Region
- Region 0 must be an iomem region. This is an internal function for the
- driver-specific VIRTIO_CFG_READ() macros.
+ The VirtIo Device Specific Region must be an iomem region.
+ This is an internal function for the driver-specific VIRTIO_CFG_READ()
+ macros.
- @param[in] PciIo Source PCI device.
+ @param[in] VirtIo Source Virtio device.
@param[in] FieldOffset Source offset.
@@ -69,17 +72,17 @@ VirtioWrite ( @param[out] Buffer Target buffer.
- @return Status code returned by PciIo->Io.Read().
+ @return Status code returned by VirtIo->ReadDevice().
**/
EFI_STATUS
EFIAPI
-VirtioRead (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN UINTN FieldOffset,
- IN UINTN FieldSize,
- IN UINTN BufferSize,
- OUT VOID *Buffer
+VirtioReadDevice (
+ IN VIRTIO_DEVICE_PROTOCOL *VirtIo,
+ IN UINTN FieldOffset,
+ IN UINTN FieldSize,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
);
@@ -218,7 +221,7 @@ VirtioAppendDesc ( Notify the host about the descriptor chain just built, and wait until the
host processes it.
- @param[in] PciIo The target virtio PCI device to notify.
+ @param[in] VirtIo The target virtio device to notify.
@param[in] VirtQueueId Identifies the queue for the target device.
@@ -229,7 +232,7 @@ VirtioAppendDesc ( of the descriptor chain.
- @return Error code from VirtioWrite() if it fails.
+ @return Error code from VirtIo->SetQueueNotify() if it fails.
@retval EFI_SUCCESS Otherwise, the host processed all descriptors.
@@ -237,10 +240,10 @@ VirtioAppendDesc ( EFI_STATUS
EFIAPI
VirtioFlush (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN UINT16 VirtQueueId,
- IN OUT VRING *Ring,
- IN DESC_INDICES *Indices
+ IN VIRTIO_DEVICE_PROTOCOL *VirtIo,
+ IN UINT16 VirtQueueId,
+ IN OUT VRING *Ring,
+ IN DESC_INDICES *Indices
);
#endif // _VIRTIO_LIB_H_
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