X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=OvmfPkg%2FLibrary%2FVirtioMmioDeviceLib%2FVirtioMmioDeviceFunctions.c;h=67458e56231bcdbe1c1bc62cca717b4384a9df5e;hp=4b7d2932836295ebba9c969f2b342420350e413d;hb=a3d7ae2ed87ee8cb7d6c516520556ceb634dfba9;hpb=bc8fde6f62fd038e709b4981babda0f7c7ba8418

diff --git a/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c b/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c
index 4b7d293283..67458e5623 100644
--- a/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c
+++ b/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c
@@ -38,26 +38,6 @@ VirtioMmioGetDeviceFeatures (
   return EFI_SUCCESS;
 }
 
-EFI_STATUS
-EFIAPI
-VirtioMmioGetQueueAddress (
-  IN  VIRTIO_DEVICE_PROTOCOL *This,
-  OUT UINT32                 *QueueAddress
-  )
-{
-  VIRTIO_MMIO_DEVICE *Device;
-
-  if (QueueAddress == NULL) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  Device = VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE (This);
-
-  *QueueAddress = VIRTIO_CFG_READ (Device, VIRTIO_MMIO_OFFSET_QUEUE_PFN);
-
-  return EFI_SUCCESS;
-}
-
 EFI_STATUS
 EFIAPI
 VirtioMmioGetQueueSize (
@@ -101,8 +81,8 @@ VirtioMmioGetDeviceStatus (
 EFI_STATUS
 EFIAPI
 VirtioMmioSetQueueSize (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT16                  QueueSize
+  IN VIRTIO_DEVICE_PROTOCOL *This,
+  IN UINT16                  QueueSize
   )
 {
   VIRTIO_MMIO_DEVICE *Device;
@@ -117,8 +97,8 @@ VirtioMmioSetQueueSize (
 EFI_STATUS
 EFIAPI
 VirtioMmioSetDeviceStatus (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT8                   DeviceStatus
+  IN VIRTIO_DEVICE_PROTOCOL *This,
+  IN UINT8                   DeviceStatus
   )
 {
   VIRTIO_MMIO_DEVICE *Device;
@@ -133,8 +113,8 @@ VirtioMmioSetDeviceStatus (
 EFI_STATUS
 EFIAPI
 VirtioMmioSetQueueNotify (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT16                  QueueNotify
+  IN VIRTIO_DEVICE_PROTOCOL *This,
+  IN UINT16                  QueueNotify
   )
 {
   VIRTIO_MMIO_DEVICE *Device;
@@ -149,8 +129,8 @@ VirtioMmioSetQueueNotify (
 EFI_STATUS
 EFIAPI
 VirtioMmioSetQueueAlignment (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT32                  Alignment
+  IN VIRTIO_DEVICE_PROTOCOL *This,
+  IN UINT32                  Alignment
   )
 {
   VIRTIO_MMIO_DEVICE *Device;
@@ -165,8 +145,8 @@ VirtioMmioSetQueueAlignment (
 EFI_STATUS
 EFIAPI
 VirtioMmioSetPageSize (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT32                  PageSize
+  IN VIRTIO_DEVICE_PROTOCOL *This,
+  IN UINT32                  PageSize
   )
 {
   VIRTIO_MMIO_DEVICE *Device;
@@ -185,8 +165,8 @@ VirtioMmioSetPageSize (
 EFI_STATUS
 EFIAPI
 VirtioMmioSetQueueSel (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT16                  Sel
+  IN VIRTIO_DEVICE_PROTOCOL *This,
+  IN UINT16                  Sel
   )
 {
   VIRTIO_MMIO_DEVICE *Device;
@@ -200,15 +180,19 @@ VirtioMmioSetQueueSel (
 
 EFI_STATUS
 VirtioMmioSetQueueAddress (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT32                  Address
+  IN VIRTIO_DEVICE_PROTOCOL  *This,
+  IN VRING                   *Ring,
+  IN UINT64                  RingBaseShift
   )
 {
   VIRTIO_MMIO_DEVICE *Device;
 
+  ASSERT (RingBaseShift == 0);
+
   Device = VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE (This);
 
-  VIRTIO_CFG_WRITE (Device, VIRTIO_MMIO_OFFSET_QUEUE_PFN, Address);
+  VIRTIO_CFG_WRITE (Device, VIRTIO_MMIO_OFFSET_QUEUE_PFN,
+    (UINT32)((UINTN)Ring->Base >> EFI_PAGE_SHIFT));
 
   return EFI_SUCCESS;
 }
@@ -216,8 +200,8 @@ VirtioMmioSetQueueAddress (
 EFI_STATUS
 EFIAPI
 VirtioMmioSetGuestFeatures (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT64                  Features
+  IN VIRTIO_DEVICE_PROTOCOL *This,
+  IN UINT64                  Features
   )
 {
   VIRTIO_MMIO_DEVICE *Device;
@@ -312,3 +296,60 @@ VirtioMmioDeviceRead (
 
   return EFI_SUCCESS;
 }
+
+EFI_STATUS
+EFIAPI
+VirtioMmioAllocateSharedPages (
+  IN  VIRTIO_DEVICE_PROTOCOL  *This,
+  IN  UINTN                   NumPages,
+  OUT VOID                    **HostAddress
+  )
+{
+  VOID        *Buffer;
+
+  Buffer = AllocatePages (NumPages);
+  if (Buffer == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  *HostAddress = Buffer;
+  return EFI_SUCCESS;
+}
+
+VOID
+EFIAPI
+VirtioMmioFreeSharedPages (
+  IN  VIRTIO_DEVICE_PROTOCOL  *This,
+  IN  UINTN                   NumPages,
+  IN  VOID                    *HostAddress
+  )
+{
+  FreePages (HostAddress, NumPages);
+}
+
+EFI_STATUS
+EFIAPI
+VirtioMmioMapSharedBuffer (
+  IN      VIRTIO_DEVICE_PROTOCOL  *This,
+  IN      VIRTIO_MAP_OPERATION    Operation,
+  IN      VOID                    *HostAddress,
+  IN OUT  UINTN                   *NumberOfBytes,
+  OUT     EFI_PHYSICAL_ADDRESS    *DeviceAddress,
+  OUT     VOID                    **Mapping
+  )
+{
+  *DeviceAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) HostAddress;
+  *Mapping = NULL;
+
+  return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+VirtioMmioUnmapSharedBuffer (
+  IN VIRTIO_DEVICE_PROTOCOL    *This,
+  IN VOID                      *Mapping
+  )
+{
+  return EFI_SUCCESS;
+}