X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=OvmfPkg%2FVirtioNetDxe%2FVirtioNet.h;h=3fc88cfb790e6b0b8478ebe13dfc9162b29a03c5;hb=f9bc2f876326af08db58db446a7b7609b4a9c83e;hp=995593f4b236bbdf69bed6455f173d506fcfa29f;hpb=46b11f00ac704ed4a1e3c8c1c3439f914e2dfadc;p=mirror_edk2.git

diff --git a/OvmfPkg/VirtioNetDxe/VirtioNet.h b/OvmfPkg/VirtioNetDxe/VirtioNet.h
index 995593f4b2..3fc88cfb79 100644
--- a/OvmfPkg/VirtioNetDxe/VirtioNet.h
+++ b/OvmfPkg/VirtioNetDxe/VirtioNet.h
@@ -26,6 +26,7 @@
 #include <Protocol/DevicePath.h>
 #include <Protocol/DriverBinding.h>
 #include <Protocol/SimpleNetwork.h>
+#include <Library/OrderedCollectionLib.h>
 
 #define VNET_SIG SIGNATURE_32 ('V', 'N', 'E', 'T')
 
@@ -97,8 +98,10 @@ typedef struct {
   UINT16                      TxMaxPending;      // VirtioNetInitTx
   UINT16                      TxCurPending;      // VirtioNetInitTx
   UINT16                      *TxFreeStack;      // VirtioNetInitTx
-  VIRTIO_1_0_NET_REQ          TxSharedReq;       // VirtioNetInitTx
+  VIRTIO_1_0_NET_REQ          *TxSharedReq;      // VirtioNetInitTx
+  VOID                        *TxSharedReqMap;   // VirtioNetInitTx
   UINT16                      TxLastUsed;        // VirtioNetInitTx
+  ORDERED_COLLECTION          *TxBufCollection;  // VirtioNetInitTx
 } VNET_DEV;
 
 
@@ -279,6 +282,42 @@ VirtioNetUninitRing (
   IN     VOID     *RingMap
   );
 
+//
+// utility functions to map caller-supplied Tx buffer system physical address
+// to a device address and vice versa
+//
+EFI_STATUS
+EFIAPI
+VirtioNetMapTxBuf (
+  IN  VNET_DEV              *Dev,
+  IN  VOID                  *Buffer,
+  IN  UINTN                 NumberOfBytes,
+  OUT EFI_PHYSICAL_ADDRESS  *DeviceAddress
+  );
+
+EFI_STATUS
+EFIAPI
+VirtioNetUnmapTxBuf (
+  IN  VNET_DEV              *Dev,
+  OUT VOID                  **Buffer,
+  IN  EFI_PHYSICAL_ADDRESS  DeviceAddress
+  );
+
+INTN
+EFIAPI
+VirtioNetTxBufMapInfoCompare (
+  IN CONST VOID *UserStruct1,
+  IN CONST VOID *UserStruct2
+  );
+
+INTN
+EFIAPI
+VirtioNetTxBufDeviceAddressCompare (
+  IN CONST VOID *StandaloneKey,
+  IN CONST VOID *UserStruct
+  );
+
+
 //
 // event callbacks
 //