X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=OvmfPkg%2FLibrary%2FVirtioLib%2FVirtioLib.c;h=e09324813c2df8ef83f9e2730d9a6bc1e733e1ed;hb=9854561c085df43139625aa275dd67144c75e432;hp=40ea17dfaf86ad0dc1aed0c2a3dd55bcf64eb992;hpb=b0338c53297cfbabd727f36c4878379c86cf4ddc;p=mirror_edk2.git

diff --git a/OvmfPkg/Library/VirtioLib/VirtioLib.c b/OvmfPkg/Library/VirtioLib/VirtioLib.c
index 40ea17dfaf..e09324813c 100644
--- a/OvmfPkg/Library/VirtioLib/VirtioLib.c
+++ b/OvmfPkg/Library/VirtioLib/VirtioLib.c
@@ -6,13 +6,7 @@
   Portion of Copyright (C) 2013, ARM Ltd.
   Copyright (C) 2017, AMD Inc, All rights reserved.<BR>
 
-  This program and the accompanying materials are licensed and made available
-  under the terms and conditions of the BSD License which accompanies this
-  distribution. The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
-  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
 
@@ -189,7 +183,6 @@ VirtioPrepare (
   Indices->NextDescIdx = Indices->HeadDescIdx;
 }
 
-
 /**
 
   Append a contiguous buffer for transmission / reception via the virtio ring.
@@ -205,33 +198,34 @@ VirtioPrepare (
   The caller is responsible for initializing *Indices with VirtioPrepare()
   first.
 
-  @param[in,out] Ring        The virtio ring to append the buffer to, as a
-                             descriptor.
+  @param[in,out] Ring               The virtio ring to append the buffer to,
+                                    as a descriptor.
 
-  @param[in] BufferPhysAddr  (Guest pseudo-physical) start address of the
-                             transmit / receive buffer.
+  @param[in] BufferDeviceAddress    (Bus master device) start address of the
+                                    transmit / receive buffer.
 
-  @param[in] BufferSize      Number of bytes to transmit or receive.
+  @param[in] BufferSize             Number of bytes to transmit or receive.
 
-  @param[in] Flags           A bitmask of VRING_DESC_F_* flags. The caller
-                             computes this mask dependent on further buffers to
-                             append and transfer direction.
-                             VRING_DESC_F_INDIRECT is unsupported. The
-                             VRING_DESC.Next field is always set, but the host
-                             only interprets it dependent on VRING_DESC_F_NEXT.
+  @param[in] Flags                  A bitmask of VRING_DESC_F_* flags. The
+                                    caller computes this mask dependent on
+                                    further buffers to append and transfer
+                                    direction. VRING_DESC_F_INDIRECT is
+                                    unsupported. The VRING_DESC.Next field is
+                                    always set, but the host only interprets
+                                    it dependent on VRING_DESC_F_NEXT.
 
-  @param[in,out] Indices     Indices->HeadDescIdx is not accessed.
-                             On input, Indices->NextDescIdx identifies the next
-                             descriptor to carry the buffer. On output,
-                             Indices->NextDescIdx is incremented by one, modulo
-                             2^16.
+  @param[in,out] Indices            Indices->HeadDescIdx is not accessed.
+                                    On input, Indices->NextDescIdx identifies
+                                    the next descriptor to carry the buffer.
+                                    On output, Indices->NextDescIdx is
+                                    incremented by one, modulo 2^16.
 
 **/
 VOID
 EFIAPI
 VirtioAppendDesc (
   IN OUT VRING        *Ring,
-  IN     UINTN        BufferPhysAddr,
+  IN     UINT64       BufferDeviceAddress,
   IN     UINT32       BufferSize,
   IN     UINT16       Flags,
   IN OUT DESC_INDICES *Indices
@@ -240,7 +234,7 @@ VirtioAppendDesc (
   volatile VRING_DESC *Desc;
 
   Desc        = &Ring->Desc[Indices->NextDescIdx++ % Ring->QueueSize];
-  Desc->Addr  = BufferPhysAddr;
+  Desc->Addr  = BufferDeviceAddress;
   Desc->Len   = BufferSize;
   Desc->Flags = Flags;
   Desc->Next  = Indices->NextDescIdx % Ring->QueueSize;
@@ -458,7 +452,7 @@ Virtio10WriteFeatures (
                                   VIRTIO_UNMAP_SHARED.
 
 
-  @retval EFI_SUCCESS             The NumberOfBytes is succesfully mapped.
+  @retval EFI_SUCCESS             The NumberOfBytes is successfully mapped.
   @retval EFI_UNSUPPORTED         The HostAddress cannot be mapped as a
                                   common buffer.
   @retval EFI_INVALID_PARAMETER   One or more parameters are invalid.