diff options
Diffstat (limited to 'OvmfPkg/VirtioNetDxe')
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpStart.c | 64 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpStop.c | 65 |
2 files changed, 129 insertions, 0 deletions
diff --git a/OvmfPkg/VirtioNetDxe/SnpStart.c b/OvmfPkg/VirtioNetDxe/SnpStart.c new file mode 100644 index 0000000000..4ded4d6db4 --- /dev/null +++ b/OvmfPkg/VirtioNetDxe/SnpStart.c @@ -0,0 +1,64 @@ +/** @file
+
+ Implementation of the SNP.Start() function and its private helpers if any.
+
+ Copyright (C) 2013, Red Hat, Inc.
+ Copyright (c) 2006 - 2010, Intel Corporation. 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.
+
+**/
+
+#include <Library/UefiBootServicesTableLib.h>
+
+#include "VirtioNet.h"
+
+/**
+ Changes the state of a network interface from "stopped" to "started".
+
+ @param This Protocol instance pointer.
+
+ @retval EFI_SUCCESS The network interface was started.
+ @retval EFI_ALREADY_STARTED The network interface is already in the started
+ state.
+ @retval EFI_INVALID_PARAMETER One or more of the parameters has an
+ unsupported value.
+ @retval EFI_DEVICE_ERROR The command could not be sent to the network
+ interface.
+ @retval EFI_UNSUPPORTED This function is not supported by the network
+ interface.
+**/
+
+EFI_STATUS
+EFIAPI
+VirtioNetStart (
+ IN EFI_SIMPLE_NETWORK_PROTOCOL *This
+ )
+{
+ VNET_DEV *Dev;
+ EFI_TPL OldTpl;
+ EFI_STATUS Status;
+
+ if (This == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Dev = VIRTIO_NET_FROM_SNP (This);
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+ if (Dev->Snm.State != EfiSimpleNetworkStopped) {
+ Status = EFI_ALREADY_STARTED;
+ }
+ else {
+ Dev->Snm.State = EfiSimpleNetworkStarted;
+ Status = EFI_SUCCESS;
+ }
+
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
diff --git a/OvmfPkg/VirtioNetDxe/SnpStop.c b/OvmfPkg/VirtioNetDxe/SnpStop.c new file mode 100644 index 0000000000..86c501930b --- /dev/null +++ b/OvmfPkg/VirtioNetDxe/SnpStop.c @@ -0,0 +1,65 @@ +/** @file
+
+ Implementation of the SNP.Stop() function and its private helpers if any.
+
+ Copyright (C) 2013, Red Hat, Inc.
+ Copyright (c) 2006 - 2010, Intel Corporation. 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.
+
+**/
+
+#include <Library/UefiBootServicesTableLib.h>
+
+#include "VirtioNet.h"
+
+/**
+ Changes the state of a network interface from "started" to "stopped".
+
+ @param This Protocol instance pointer.
+
+ @retval EFI_SUCCESS The network interface was stopped.
+ @retval EFI_ALREADY_STARTED The network interface is already in the stopped
+ state.
+ @retval EFI_INVALID_PARAMETER One or more of the parameters has an
+ unsupported value.
+ @retval EFI_DEVICE_ERROR The command could not be sent to the network
+ interface.
+ @retval EFI_UNSUPPORTED This function is not supported by the network
+ interface.
+
+**/
+
+EFI_STATUS
+EFIAPI
+VirtioNetStop (
+ IN EFI_SIMPLE_NETWORK_PROTOCOL *This
+ )
+{
+ VNET_DEV *Dev;
+ EFI_TPL OldTpl;
+ EFI_STATUS Status;
+
+ if (This == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Dev = VIRTIO_NET_FROM_SNP (This);
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+ if (Dev->Snm.State != EfiSimpleNetworkStarted) {
+ Status = EFI_NOT_STARTED;
+ }
+ else {
+ Dev->Snm.State = EfiSimpleNetworkStopped;
+ Status = EFI_SUCCESS;
+ }
+
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
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