diff options
| author | Guo Mang <mang.guo@intel.com> | 2017-08-02 09:54:47 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2017-09-05 19:45:08 +0800 |
| commit | 6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8 (patch) | |
| tree | 444372d92a0ae8991fe4d15eb3937df43690dfda /OvmfPkg/VirtioNetDxe | |
| parent | b207c6434d7a5a4502975d322312e07017e8a8cb (diff) | |
| download | edk2-platforms-6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8.tar.xz | |
Remove core packages since we can get them from edk2 repository
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'OvmfPkg/VirtioNetDxe')
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/ComponentName.c | 177 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/DriverBinding.c | 653 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/EntryPoint.c | 50 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/Events.c | 91 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpGetStatus.c | 160 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpInitialize.c | 490 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpMcastIpToMac.c | 108 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpReceive.c | 188 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpReceiveFilters.c | 105 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpSharedHelpers.c | 53 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpShutdown.c | 78 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpStart.c | 64 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpStop.c | 65 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpTransmit.c | 169 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/SnpUnsupported.c | 160 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/TechNotes.txt | 355 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/VirtioNet.h | 283 | ||||
| -rw-r--r-- | OvmfPkg/VirtioNetDxe/VirtioNet.inf | 60 |
18 files changed, 0 insertions, 3309 deletions
diff --git a/OvmfPkg/VirtioNetDxe/ComponentName.c b/OvmfPkg/VirtioNetDxe/ComponentName.c deleted file mode 100644 index 2c96adbcbd..0000000000 --- a/OvmfPkg/VirtioNetDxe/ComponentName.c +++ /dev/null @@ -1,177 +0,0 @@ -/** @file
-
- Component Name code for the virtio-net driver.
-
- Copyright (C) 2013, Red Hat, Inc.
- Copyright (c) 2006 - 2011, 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/UefiLib.h>
-
-#include "VirtioNet.h"
-
-STATIC
-EFI_UNICODE_STRING_TABLE mVirtioNetDriverNameTable[] = {
- { "eng;en", L"Virtio Network Driver" },
- { NULL, NULL }
-};
-
-STATIC
-EFI_UNICODE_STRING_TABLE mVirtioNetControllerNameTable[] = {
- { "eng;en", L"Virtio Network Device" },
- { NULL, NULL }
-};
-
-/**
- Retrieves a Unicode string that is the user-readable name of the EFI Driver.
-
- @param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
- @param Language A pointer to a three-character ISO 639-2 language
- identifier. This is the language of the driver name that
- that the caller is requesting, and it must match one of
- the languages specified in SupportedLanguages. The number
- of languages supported by a driver is up to the driver
- writer.
- @param DriverName A pointer to the Unicode string to return. This Unicode
- string is the name of the driver specified by This in the
- language specified by Language.
-
- @retval EFI_SUCCESS The Unicode string for the Driver specified by
- This and the language specified by Language was
- returned in DriverName.
- @retval EFI_INVALID_PARAMETER Language is NULL.
- @retval EFI_INVALID_PARAMETER DriverName is NULL.
- @retval EFI_UNSUPPORTED The driver specified by This does not support
- the language specified by Language.
-
-**/
-
-STATIC
-EFI_STATUS
-EFIAPI
-VirtioNetGetDriverName (
- IN EFI_COMPONENT_NAME_PROTOCOL *This,
- IN CHAR8 *Language,
- OUT CHAR16 **DriverName
- )
-{
- return (Language == NULL || DriverName == NULL) ?
- EFI_INVALID_PARAMETER :
- LookupUnicodeString2 (
- Language,
- This->SupportedLanguages,
- mVirtioNetDriverNameTable,
- DriverName,
- (BOOLEAN) (This == &gVirtioNetComponentName) // Iso639Language
- );
-}
-
-
-/**
- Retrieves a Unicode string that is the user readable name of the controller
- that is being managed by an EFI Driver.
-
- @param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
- instance.
- @param ControllerHandle The handle of a controller that the driver specified
- by This is managing. This handle specifies the
- controller whose name is to be returned.
- @param ChildHandle The handle of the child controller to retrieve the
- name of. This is an optional parameter that may be
- NULL. It will be NULL for device drivers. It will
- also be NULL for a bus drivers that wish to retrieve
- the name of the bus controller. It will not be NULL
- for a bus driver that wishes to retrieve the name of
- a child controller.
- @param Language A pointer to a three character ISO 639-2 language
- identifier. This is the language of the controller
- name that the caller is requesting, and it must
- match one of the languages specified in
- SupportedLanguages. The number of languages
- supported by a driver is up to the driver writer.
- @param ControllerName A pointer to the Unicode string to return. This
- Unicode string is the name of the controller
- specified by ControllerHandle and ChildHandle in the
- language specified by Language, from the point of
- view of the driver specified by This.
-
- @retval EFI_SUCCESS The Unicode string for the user-readable name
- in the language specified by Language for the
- driver specified by This was returned in
- DriverName.
- @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
- @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
- EFI_HANDLE.
- @retval EFI_INVALID_PARAMETER Language is NULL.
- @retval EFI_INVALID_PARAMETER ControllerName is NULL.
- @retval EFI_UNSUPPORTED The driver specified by This is not currently
- managing the controller specified by
- ControllerHandle and ChildHandle.
- @retval EFI_UNSUPPORTED The driver specified by This does not support
- the language specified by Language.
-
-**/
-
-STATIC
-EFI_STATUS
-EFIAPI
-VirtioNetGetControllerName (
- IN EFI_COMPONENT_NAME_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_HANDLE ChildHandle,
- IN CHAR8 *Language,
- OUT CHAR16 **ControllerName
- )
-{
- EFI_STATUS Status;
-
- if (ControllerHandle == NULL || Language == NULL || ControllerName == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // confirm that the device is managed by this driver, using the VirtIo
- // Protocol
- //
- Status = EfiTestManagedDevice (
- ControllerHandle,
- gVirtioNetDriverBinding.DriverBindingHandle,
- &gVirtioDeviceProtocolGuid
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // we don't give different names to the bus (= parent) handle and the
- // child (= MAC) handle
- //
- return LookupUnicodeString2 (
- Language,
- This->SupportedLanguages,
- mVirtioNetControllerNameTable,
- ControllerName,
- (BOOLEAN) (This == &gVirtioNetComponentName) // Iso639Language
- );
-}
-
-EFI_COMPONENT_NAME_PROTOCOL gVirtioNetComponentName = {
- &VirtioNetGetDriverName,
- &VirtioNetGetControllerName,
- "eng" // SupportedLanguages, ISO 639-2 language codes
-};
-
-EFI_COMPONENT_NAME2_PROTOCOL gVirtioNetComponentName2 = {
- (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) &VirtioNetGetDriverName,
- (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) &VirtioNetGetControllerName,
- "en" // SupportedLanguages, RFC 4646 language codes
-};
diff --git a/OvmfPkg/VirtioNetDxe/DriverBinding.c b/OvmfPkg/VirtioNetDxe/DriverBinding.c deleted file mode 100644 index 0ad39cf972..0000000000 --- a/OvmfPkg/VirtioNetDxe/DriverBinding.c +++ /dev/null @@ -1,653 +0,0 @@ -/** @file
-
- Driver Binding code and its private helpers for the virtio-net driver.
-
- Copyright (C) 2013, Red Hat, Inc.
- Copyright (c) 2006 - 2014, 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/BaseMemoryLib.h>
-#include <Library/DevicePathLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#include "VirtioNet.h"
-
-#define RECEIVE_FILTERS_NO_MCAST ((UINT32) ( \
- EFI_SIMPLE_NETWORK_RECEIVE_UNICAST | \
- EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST | \
- EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS \
- ))
-
-/*
- Temporarily enable then reset the virtio-net device in order to retrieve
- configuration values needed by Simple Network Protocol and Simple Network
- Mode fields.
-
- Only VirtioNetSnpPopulate() may call this function.
-
- If the function fails for any reason, the virtio-net device is moved to
- VSTAT_FAILED instead of being reset. This serves only informative purposes
- for the host side.
-
- param[in,out] Dev The VNET_DEV structure being created for
- the virtio-net device.
- param[out] MacAddress MAC address configured by the host.
- param[out] MediaPresentSupported Link status is made available by the host.
- param[out] MediaPresent If link status is made available by the
- host, the current link status is stored in
- *MediaPresent. Otherwise MediaPresent is
- unused.
-
- @retval EFI_UNSUPPORTED The host doesn't supply a MAC address.
- @return Status codes from VirtIo protocol members.
- @retval EFI_SUCCESS Configuration values retrieved.
-*/
-STATIC
-EFI_STATUS
-EFIAPI
-VirtioNetGetFeatures (
- IN OUT VNET_DEV *Dev,
- OUT EFI_MAC_ADDRESS *MacAddress,
- OUT BOOLEAN *MediaPresentSupported,
- OUT BOOLEAN *MediaPresent
- )
-{
- EFI_STATUS Status;
- UINT8 NextDevStat;
- UINT32 Features;
- UINTN MacIdx;
- UINT16 LinkStatus;
-
- //
- // Interrogate the device for features (virtio-0.9.5, 2.2.1 Device
- // Initialization Sequence), but don't complete setting it up.
- //
- NextDevStat = 0; // step 1 -- reset device
- Status = Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, NextDevStat);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- NextDevStat |= VSTAT_ACK; // step 2 -- acknowledge device presence
- Status = Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, NextDevStat);
- if (EFI_ERROR (Status)) {
- goto YieldDevice;
- }
-
- NextDevStat |= VSTAT_DRIVER; // step 3 -- we know how to drive it
- Status = Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, NextDevStat);
- if (EFI_ERROR (Status)) {
- goto YieldDevice;
- }
-
- //
- // step 4a -- retrieve and validate features
- //
- Status = Dev->VirtIo->GetDeviceFeatures (Dev->VirtIo, &Features);
- if (EFI_ERROR (Status)) {
- goto YieldDevice;
- }
-
- //
- // get MAC address byte-wise
- //
- if ((Features & VIRTIO_NET_F_MAC) == 0) {
- Status = EFI_UNSUPPORTED;
- goto YieldDevice;
- }
- for (MacIdx = 0; MacIdx < SIZE_OF_VNET (Mac); ++MacIdx) {
- Status = Dev->VirtIo->ReadDevice (Dev->VirtIo,
- OFFSET_OF_VNET (Mac) + MacIdx, // Offset
- 1, // FieldSize
- 1, // BufferSize
- &MacAddress->Addr[MacIdx] // Buffer
- );
- if (EFI_ERROR (Status)) {
- goto YieldDevice;
- }
- }
-
- //
- // check if link status is reported, and if so, what the link status is
- //
- if ((Features & VIRTIO_NET_F_STATUS) == 0) {
- *MediaPresentSupported = FALSE;
- }
- else {
- *MediaPresentSupported = TRUE;
- Status = VIRTIO_CFG_READ (Dev, LinkStatus, &LinkStatus);
- if (EFI_ERROR (Status)) {
- goto YieldDevice;
- }
- *MediaPresent = (BOOLEAN) ((LinkStatus & VIRTIO_NET_S_LINK_UP) != 0);
- }
-
-YieldDevice:
- Dev->VirtIo->SetDeviceStatus (Dev->VirtIo,
- EFI_ERROR (Status) ? VSTAT_FAILED : 0);
-
- return Status;
-}
-
-
-/**
- Set up the Simple Network Protocol fields, the Simple Network Mode fields,
- and the Exit Boot Services Event of the virtio-net driver instance.
-
- This function may only be called by VirtioNetDriverBindingStart().
-
- @param[in,out] Dev The VNET_DEV driver instance being created for the
- virtio-net device.
-
- @return Status codes from the CreateEvent() boot service or the
- VirtioNetGetFeatures() function.
- @retval EFI_SUCCESS Configuration successful.
-*/
-STATIC
-EFI_STATUS
-EFIAPI
-VirtioNetSnpPopulate (
- IN OUT VNET_DEV *Dev
- )
-{
- EFI_STATUS Status;
-
- //
- // We set up a function here that is asynchronously callable by an
- // external application to check if there are any packets available for
- // reception. The least urgent task priority level we can specify for such a
- // "software interrupt" is TPL_CALLBACK.
- //
- // TPL_CALLBACK is also the maximum TPL an SNP implementation is allowed to
- // run at (see 6.1 Event, Timer, and Task Priority Services in the UEFI
- // Specification 2.3.1+errC).
- //
- // Since we raise our TPL to TPL_CALLBACK in every single function that
- // accesses the device, and the external application also queues its interest
- // for received packets at the same TPL_CALLBACK, in effect the
- // VirtioNetIsPacketAvailable() function will never interrupt any
- // device-accessing driver function, it will be scheduled in isolation.
- //
- // TPL_CALLBACK (which basically this entire driver runs at) is allowed
- // for "[l]ong term operations (such as file system operations and disk
- // I/O)". Because none of our functions block, we'd satisfy an even stronger
- // requirement.
- //
- Status = gBS->CreateEvent (EVT_NOTIFY_WAIT, TPL_CALLBACK,
- &VirtioNetIsPacketAvailable, Dev, &Dev->Snp.WaitForPacket);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Dev->Snp.Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION;
- Dev->Snp.Start = &VirtioNetStart;
- Dev->Snp.Stop = &VirtioNetStop;
- Dev->Snp.Initialize = &VirtioNetInitialize;
- Dev->Snp.Reset = &VirtioNetReset;
- Dev->Snp.Shutdown = &VirtioNetShutdown;
- Dev->Snp.ReceiveFilters = &VirtioNetReceiveFilters;
- Dev->Snp.StationAddress = &VirtioNetStationAddress;
- Dev->Snp.Statistics = &VirtioNetStatistics;
- Dev->Snp.MCastIpToMac = &VirtioNetMcastIpToMac;
- Dev->Snp.NvData = &VirtioNetNvData;
- Dev->Snp.GetStatus = &VirtioNetGetStatus;
- Dev->Snp.Transmit = &VirtioNetTransmit;
- Dev->Snp.Receive = &VirtioNetReceive;
- Dev->Snp.Mode = &Dev->Snm;
-
- Dev->Snm.State = EfiSimpleNetworkStopped;
- Dev->Snm.HwAddressSize = SIZE_OF_VNET (Mac);
- Dev->Snm.MediaHeaderSize = SIZE_OF_VNET (Mac) + // dst MAC
- SIZE_OF_VNET (Mac) + // src MAC
- 2; // Ethertype
- Dev->Snm.MaxPacketSize = 1500;
- Dev->Snm.NvRamSize = 0;
- Dev->Snm.NvRamAccessSize = 0;
- Dev->Snm.ReceiveFilterMask = RECEIVE_FILTERS_NO_MCAST;
- Dev->Snm.ReceiveFilterSetting = RECEIVE_FILTERS_NO_MCAST;
- Dev->Snm.MaxMCastFilterCount = 0;
- Dev->Snm.MCastFilterCount = 0;
- Dev->Snm.IfType = 1; // ethernet
- Dev->Snm.MacAddressChangeable = FALSE;
- Dev->Snm.MultipleTxSupported = TRUE;
-
- ASSERT (SIZE_OF_VNET (Mac) <= sizeof (EFI_MAC_ADDRESS));
-
- Status = VirtioNetGetFeatures (Dev, &Dev->Snm.CurrentAddress,
- &Dev->Snm.MediaPresentSupported, &Dev->Snm.MediaPresent);
- if (EFI_ERROR (Status)) {
- goto CloseWaitForPacket;
- }
- CopyMem (&Dev->Snm.PermanentAddress, &Dev->Snm.CurrentAddress,
- SIZE_OF_VNET (Mac));
- SetMem (&Dev->Snm.BroadcastAddress, SIZE_OF_VNET (Mac), 0xFF);
-
- //
- // VirtioNetExitBoot() is queued by ExitBootServices(); its purpose is to
- // cancel any pending virtio requests. The TPL_CALLBACK reasoning is
- // identical to the one above. There's one difference: this kind of
- // event is "globally visible", which means it can be signalled as soon as
- // we create it. We haven't raised our TPL here, hence VirtioNetExitBoot()
- // could be entered immediately. VirtioNetExitBoot() checks Dev->Snm.State,
- // so we're safe.
- //
- Status = gBS->CreateEvent (EVT_SIGNAL_EXIT_BOOT_SERVICES, TPL_CALLBACK,
- &VirtioNetExitBoot, Dev, &Dev->ExitBoot);
- if (EFI_ERROR (Status)) {
- goto CloseWaitForPacket;
- }
-
- return EFI_SUCCESS;
-
-CloseWaitForPacket:
- gBS->CloseEvent (Dev->Snp.WaitForPacket);
- return Status;
-}
-
-
-/**
- Release any resources allocated by VirtioNetSnpPopulate().
-
- This function may only be called by VirtioNetDriverBindingStart(), when
- rolling back a partial, failed driver instance creation, and by
- VirtioNetDriverBindingStop(), when disconnecting a virtio-net device from the
- driver.
-
- @param[in,out] Dev The VNET_DEV driver instance being destroyed.
-*/
-STATIC
-VOID
-EFIAPI
-VirtioNetSnpEvacuate (
- IN OUT VNET_DEV *Dev
- )
-{
- //
- // This function runs either at TPL_CALLBACK already (from
- // VirtioNetDriverBindingStop()), or it is part of a teardown following
- // a partial, failed construction in VirtioNetDriverBindingStart(), when
- // WaitForPacket was never accessible to the world.
- //
- gBS->CloseEvent (Dev->ExitBoot);
- gBS->CloseEvent (Dev->Snp.WaitForPacket);
-}
-
-
-/**
- Tests to see if this driver supports a given controller. If a child device is
- provided, it further tests to see if this driver supports creating a handle
- for the specified child device.
-
- This function checks to see if the driver specified by This supports the
- device specified by ControllerHandle. Drivers will typically use the device
- path attached to ControllerHandle and/or the services from the bus I/O
- abstraction attached to ControllerHandle to determine if the driver supports
- ControllerHandle. This function may be called many times during platform
- initialization. In order to reduce boot times, the tests performed by this
- function must be very small, and take as little time as possible to execute.
- This function must not change the state of any hardware devices, and this
- function must be aware that the device specified by ControllerHandle may
- already be managed by the same driver or a different driver. This function
- must match its calls to AllocatePages() with FreePages(), AllocatePool() with
- FreePool(), and OpenProtocol() with CloseProtocol(). Because ControllerHandle
- may have been previously started by the same driver, if a protocol is already
- in the opened state, then it must not be closed with CloseProtocol(). This is
- required to guarantee the state of ControllerHandle is not modified by this
- function.
-
- @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL
- instance.
- @param[in] ControllerHandle The handle of the controller to test. This
- handle must support a protocol interface
- that supplies an I/O abstraction to the
- driver.
- @param[in] RemainingDevicePath A pointer to the remaining portion of a
- device path. This parameter is ignored by
- device drivers, and is optional for bus
- drivers. For bus drivers, if this parameter
- is not NULL, then the bus driver must
- determine if the bus controller specified by
- ControllerHandle and the child controller
- specified by RemainingDevicePath are both
- supported by this bus driver.
-
- @retval EFI_SUCCESS The device specified by ControllerHandle and
- RemainingDevicePath is supported by the
- driver specified by This.
- @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
- RemainingDevicePath is already being managed
- by the driver specified by This.
- @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
- RemainingDevicePath is already being managed
- by a different driver or an application that
- requires exclusive access. Currently not
- implemented.
- @retval EFI_UNSUPPORTED The device specified by ControllerHandle and
- RemainingDevicePath is not supported by the
- driver specified by This.
-**/
-
-STATIC
-EFI_STATUS
-EFIAPI
-VirtioNetDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE DeviceHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- VIRTIO_DEVICE_PROTOCOL *VirtIo;
-
- //
- // Attempt to open the device with the VirtIo set of interfaces. On success,
- // the protocol is "instantiated" for the VirtIo device. Covers duplicate open
- // attempts (EFI_ALREADY_STARTED).
- //
- Status = gBS->OpenProtocol (
- DeviceHandle, // candidate device
- &gVirtioDeviceProtocolGuid, // for generic VirtIo access
- (VOID **)&VirtIo, // handle to instantiate
- This->DriverBindingHandle, // requestor driver identity
- DeviceHandle, // ControllerHandle, according to
- // the UEFI Driver Model
- EFI_OPEN_PROTOCOL_BY_DRIVER // get exclusive VirtIo access to
- // the device; to be released
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if (VirtIo->SubSystemDeviceId != VIRTIO_SUBSYSTEM_NETWORK_CARD) {
- Status = EFI_UNSUPPORTED;
- }
-
- //
- // We needed VirtIo access only transitorily, to see whether we support the
- // device or not.
- //
- gBS->CloseProtocol (DeviceHandle, &gVirtioDeviceProtocolGuid,
- This->DriverBindingHandle, DeviceHandle);
- return Status;
-}
-
-
-/**
- Starts a device controller or a bus controller.
-
- The Start() function is designed to be invoked from the EFI boot service
- ConnectController(). As a result, much of the error checking on the
- parameters to Start() has been moved into this common boot service. It is
- legal to call Start() from other locations, but the following calling
- restrictions must be followed, or the system behavior will not be
- deterministic.
- 1. ControllerHandle must be a valid EFI_HANDLE.
- 2. If RemainingDevicePath is not NULL, then it must be a pointer to a
- naturally aligned EFI_DEVICE_PATH_PROTOCOL.
- 3. Prior to calling Start(), the Supported() function for the driver
- specified by This must have been called with the same calling parameters,
- and Supported() must have returned EFI_SUCCESS.
-
- @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL
- instance.
- @param[in] ControllerHandle The handle of the controller to start. This
- handle must support a protocol interface
- that supplies an I/O abstraction to the
- driver.
- @param[in] RemainingDevicePath A pointer to the remaining portion of a
- device path. This parameter is ignored by
- device drivers, and is optional for bus
- drivers. For a bus driver, if this parameter
- is NULL, then handles for all the children
- of Controller are created by this driver.
- If this parameter is not NULL and the first
- Device Path Node is not the End of Device
- Path Node, then only the handle for the
- child device specified by the first Device
- Path Node of RemainingDevicePath is created
- by this driver. If the first Device Path
- Node of RemainingDevicePath is the End of
- Device Path Node, no child handle is created
- by this driver.
-
- @retval EFI_SUCCESS The device was started.
- @retval EFI_DEVICE_ERROR The device could not be started due to a
- device error.Currently not implemented.
- @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
- lack of resources.
- @retval Others The driver failded to start the device.
-
-**/
-
-STATIC
-EFI_STATUS
-EFIAPI
-VirtioNetDriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE DeviceHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- VNET_DEV *Dev;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- MAC_ADDR_DEVICE_PATH MacNode;
- VOID *ChildVirtIo;
-
- //
- // allocate space for the driver instance
- //
- Dev = (VNET_DEV *) AllocateZeroPool (sizeof *Dev);
- if (Dev == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- Dev->Signature = VNET_SIG;
-
- Status = gBS->OpenProtocol (DeviceHandle, &gVirtioDeviceProtocolGuid,
- (VOID **)&Dev->VirtIo, This->DriverBindingHandle,
- DeviceHandle, EFI_OPEN_PROTOCOL_BY_DRIVER);
- if (EFI_ERROR (Status)) {
- goto FreeVirtioNet;
- }
-
- //
- // now we can run a basic one-shot virtio-net initialization required to
- // retrieve the MAC address
- //
- Status = VirtioNetSnpPopulate (Dev);
- if (EFI_ERROR (Status)) {
- goto CloseVirtIo;
- }
-
- //
- // get the device path of the virtio-net device -- one-shot open
- //
- Status = gBS->OpenProtocol (DeviceHandle, &gEfiDevicePathProtocolGuid,
- (VOID **)&DevicePath, This->DriverBindingHandle,
- DeviceHandle, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- if (EFI_ERROR (Status)) {
- goto Evacuate;
- }
-
- //
- // create another device path that has the MAC address appended
- //
- MacNode.Header.Type = MESSAGING_DEVICE_PATH;
- MacNode.Header.SubType = MSG_MAC_ADDR_DP;
- SetDevicePathNodeLength (&MacNode, sizeof MacNode);
- CopyMem (&MacNode.MacAddress, &Dev->Snm.CurrentAddress,
- sizeof (EFI_MAC_ADDRESS));
- MacNode.IfType = Dev->Snm.IfType;
-
- Dev->MacDevicePath = AppendDevicePathNode (DevicePath, &MacNode.Header);
- if (Dev->MacDevicePath == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Evacuate;
- }
-
- //
- // create a child handle with the Simple Network Protocol and the new
- // device path installed on it
- //
- Status = gBS->InstallMultipleProtocolInterfaces (&Dev->MacHandle,
- &gEfiSimpleNetworkProtocolGuid, &Dev->Snp,
- &gEfiDevicePathProtocolGuid, Dev->MacDevicePath,
- NULL);
- if (EFI_ERROR (Status)) {
- goto FreeMacDevicePath;
- }
-
- //
- // make a note that we keep this device open with VirtIo for the sake of this
- // child
- //
- Status = gBS->OpenProtocol (DeviceHandle, &gVirtioDeviceProtocolGuid,
- &ChildVirtIo, This->DriverBindingHandle,
- Dev->MacHandle, EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER);
- if (EFI_ERROR (Status)) {
- goto UninstallMultiple;
- }
-
- return EFI_SUCCESS;
-
-UninstallMultiple:
- gBS->UninstallMultipleProtocolInterfaces (Dev->MacHandle,
- &gEfiDevicePathProtocolGuid, Dev->MacDevicePath,
- &gEfiSimpleNetworkProtocolGuid, &Dev->Snp,
- NULL);
-
-FreeMacDevicePath:
- FreePool (Dev->MacDevicePath);
-
-Evacuate:
- VirtioNetSnpEvacuate (Dev);
-
-CloseVirtIo:
- gBS->CloseProtocol (DeviceHandle, &gVirtioDeviceProtocolGuid,
- This->DriverBindingHandle, DeviceHandle);
-
-FreeVirtioNet:
- FreePool (Dev);
-
- return Status;
-}
-
-
-/**
- Stops a device controller or a bus controller.
-
- The Stop() function is designed to be invoked from the EFI boot service
- DisconnectController(). As a result, much of the error checking on the
- parameters to Stop() has been moved into this common boot service. It is
- legal to call Stop() from other locations, but the following calling
- restrictions must be followed, or the system behavior will not be
- deterministic.
- 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous
- call to this same driver's Start() function.
- 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a
- valid EFI_HANDLE. In addition, all of these handles must have been created
- in this driver's Start() function, and the Start() function must have
- called OpenProtocol() on ControllerHandle with an Attribute of
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
-
- @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL
- instance.
- @param[in] ControllerHandle A handle to the device being stopped. The
- handle must support a bus specific I/O
- protocol for the driver to use to stop the
- device.
- @param[in] NumberOfChildren The number of child device handles in
- ChildHandleBuffer.
- @param[in] ChildHandleBuffer An array of child handles to be freed. May be
- NULL if NumberOfChildren is 0.
-
- @retval EFI_SUCCESS The device was stopped.
- @retval EFI_DEVICE_ERROR The device could not be stopped due to a device
- error.
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-VirtioNetDriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE DeviceHandle,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-{
- if (NumberOfChildren > 0) {
- //
- // free all resources for whose access we need the child handle, because
- // the child handle is going away
- //
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
- VNET_DEV *Dev;
- EFI_TPL OldTpl;
-
- ASSERT (NumberOfChildren == 1);
-
- Status = gBS->OpenProtocol (ChildHandleBuffer[0],
- &gEfiSimpleNetworkProtocolGuid, (VOID **)&Snp,
- This->DriverBindingHandle, DeviceHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- ASSERT_EFI_ERROR (Status);
- Dev = VIRTIO_NET_FROM_SNP (Snp);
-
- //
- // prevent any interference with WaitForPacket
- //
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- ASSERT (Dev->MacHandle == ChildHandleBuffer[0]);
- if (Dev->Snm.State != EfiSimpleNetworkStopped) {
- //
- // device in use, cannot stop driver instance
- //
- Status = EFI_DEVICE_ERROR;
- }
- else {
- gBS->CloseProtocol (DeviceHandle, &gVirtioDeviceProtocolGuid,
- This->DriverBindingHandle, Dev->MacHandle);
- gBS->UninstallMultipleProtocolInterfaces (Dev->MacHandle,
- &gEfiDevicePathProtocolGuid, Dev->MacDevicePath,
- &gEfiSimpleNetworkProtocolGuid, &Dev->Snp,
- NULL);
- FreePool (Dev->MacDevicePath);
- VirtioNetSnpEvacuate (Dev);
- FreePool (Dev);
- }
-
- gBS->RestoreTPL (OldTpl);
- return Status;
- }
-
- //
- // release remaining resources, tied directly to the parent handle
- //
- gBS->CloseProtocol (DeviceHandle, &gVirtioDeviceProtocolGuid,
- This->DriverBindingHandle, DeviceHandle);
-
- return EFI_SUCCESS;
-}
-
-
-EFI_DRIVER_BINDING_PROTOCOL gVirtioNetDriverBinding = {
- &VirtioNetDriverBindingSupported,
- &VirtioNetDriverBindingStart,
- &VirtioNetDriverBindingStop,
- 0x10,
- NULL,
- NULL
-};
diff --git a/OvmfPkg/VirtioNetDxe/EntryPoint.c b/OvmfPkg/VirtioNetDxe/EntryPoint.c deleted file mode 100644 index bbf6d8f1a0..0000000000 --- a/OvmfPkg/VirtioNetDxe/EntryPoint.c +++ /dev/null @@ -1,50 +0,0 @@ -/** @file
-
- This file implements the entry point of the virtio-net driver.
-
- Copyright (C) 2013, Red Hat, Inc.
- Copyright (c) 2006 - 2012, 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/UefiLib.h>
-
-#include "VirtioNet.h"
-
-/**
- This is the declaration of an EFI image entry point. This entry point is the
- same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including both
- device drivers and bus drivers.
-
- @param ImageHandle The firmware allocated handle for the UEFI
- image.
- @param SystemTable A pointer to the EFI System Table.
-
- @retval EFI_SUCCESS The operation completed successfully.
- @retval Others An unexpected error occurred.
-**/
-
-EFI_STATUS
-EFIAPI
-VirtioNetEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- return EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gVirtioNetDriverBinding,
- ImageHandle,
- &gVirtioNetComponentName,
- &gVirtioNetComponentName2
- );
-}
diff --git a/OvmfPkg/VirtioNetDxe/Events.c b/OvmfPkg/VirtioNetDxe/Events.c deleted file mode 100644 index 5be1af6ffb..0000000000 --- a/OvmfPkg/VirtioNetDxe/Events.c +++ /dev/null @@ -1,91 +0,0 @@ -/** @file
-
- Implements
- - the SNM.WaitForPacket EVT_NOTIFY_WAIT event,
- - the EVT_SIGNAL_EXIT_BOOT_SERVICES event
- for the virtio-net driver.
-
- Copyright (C) 2013, Red Hat, Inc.
- Copyright (c) 2006 - 2012, 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/BaseLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#include "VirtioNet.h"
-
-/**
- Invoke a notification event
-
- @param Event Event whose notification function is being
- invoked.
- @param Context The pointer to the notification function's
- context, which is implementation-dependent.
-
-**/
-
-VOID
-EFIAPI
-VirtioNetIsPacketAvailable (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- //
- // This callback has been enqueued by an external application and is
- // running at TPL_CALLBACK already.
- //
- // The WaitForPacket logic is similar to that of WaitForKey. The former has
- // almost no documentation in either the UEFI-2.3.1+errC spec or the
- // DWG-2.3.1, but WaitForKey does have some.
- //
- VNET_DEV *Dev;
- UINT16 RxCurUsed;
-
- Dev = Context;
- if (Dev->Snm.State != EfiSimpleNetworkInitialized) {
- return;
- }
-
- //
- // virtio-0.9.5, 2.4.2 Receiving Used Buffers From the Device
- //
- MemoryFence ();
- RxCurUsed = *Dev->RxRing.Used.Idx;
- MemoryFence ();
-
- if (Dev->RxLastUsed != RxCurUsed) {
- gBS->SignalEvent (&Dev->Snp.WaitForPacket);
- }
-}
-
-VOID
-EFIAPI
-VirtioNetExitBoot (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- //
- // This callback has been enqueued by ExitBootServices() and is running at
- // TPL_CALLBACK already.
- //
- // Shut down pending transfers according to DWG-2.3.1, "25.5.1 Exit Boot
- // Services Event".
- //
- VNET_DEV *Dev;
-
- Dev = Context;
- if (Dev->Snm.State == EfiSimpleNetworkInitialized) {
- Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, 0);
- }
-}
diff --git a/OvmfPkg/VirtioNetDxe/SnpGetStatus.c b/OvmfPkg/VirtioNetDxe/SnpGetStatus.c deleted file mode 100644 index 694940ea1d..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpGetStatus.c +++ /dev/null @@ -1,160 +0,0 @@ -/** @file
-
- Implementation of the SNP.GetStatus() function and its private helpers if
- any.
-
- Copyright (C) 2013, Red Hat, Inc.
- Copyright (c) 2006 - 2014, 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/BaseLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#include "VirtioNet.h"
-
-/**
- Reads the current interrupt status and recycled transmit buffer status from
- a network interface.
-
- @param This The protocol instance pointer.
- @param InterruptStatus A pointer to the bit mask of the currently active
- interrupts If this is NULL, the interrupt status will
- not be read from the device. If this is not NULL, the
- interrupt status will be read from the device. When
- the interrupt status is read, it will also be
- cleared. Clearing the transmit interrupt does not
- empty the recycled transmit buffer array.
- @param TxBuf Recycled transmit buffer address. The network
- interface will not transmit if its internal recycled
- transmit buffer array is full. Reading the transmit
- buffer does not clear the transmit interrupt. If this
- is NULL, then the transmit buffer status will not be
- read. If there are no transmit buffers to recycle and
- TxBuf is not NULL, * TxBuf will be set to NULL.
-
- @retval EFI_SUCCESS The status of the network interface was
- retrieved.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @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
-VirtioNetGetStatus (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- OUT UINT32 *InterruptStatus OPTIONAL,
- OUT VOID **TxBuf OPTIONAL
- )
-{
- VNET_DEV *Dev;
- EFI_TPL OldTpl;
- EFI_STATUS Status;
- UINT16 RxCurUsed;
- UINT16 TxCurUsed;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Dev = VIRTIO_NET_FROM_SNP (This);
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- switch (Dev->Snm.State) {
- case EfiSimpleNetworkStopped:
- Status = EFI_NOT_STARTED;
- goto Exit;
- case EfiSimpleNetworkStarted:
- Status = EFI_DEVICE_ERROR;
- goto Exit;
- default:
- break;
- }
-
- //
- // update link status
- //
- if (Dev->Snm.MediaPresentSupported) {
- UINT16 LinkStatus;
-
- Status = VIRTIO_CFG_READ (Dev, LinkStatus, &LinkStatus);
- if (EFI_ERROR (Status)) {
- goto Exit;
- }
- Dev->Snm.MediaPresent =
- (BOOLEAN) ((LinkStatus & VIRTIO_NET_S_LINK_UP) != 0);
- }
-
- //
- // virtio-0.9.5, 2.4.2 Receiving Used Buffers From the Device
- //
- MemoryFence ();
- RxCurUsed = *Dev->RxRing.Used.Idx;
- TxCurUsed = *Dev->TxRing.Used.Idx;
- MemoryFence ();
-
- if (InterruptStatus != NULL) {
- //
- // report the receive interrupt if there is data available for reception,
- // report the transmit interrupt if we have transmitted at least one buffer
- //
- *InterruptStatus = 0;
- if (Dev->RxLastUsed != RxCurUsed) {
- *InterruptStatus |= EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT;
- }
- if (Dev->TxLastUsed != TxCurUsed) {
- ASSERT (Dev->TxCurPending > 0);
- *InterruptStatus |= EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT;
- }
- }
-
- if (TxBuf != NULL) {
- if (Dev->TxLastUsed == TxCurUsed) {
- *TxBuf = NULL;
- }
- else {
- UINT16 UsedElemIdx;
- UINT32 DescIdx;
-
- //
- // fetch the first descriptor among those that the hypervisor reports
- // completed
- //
- ASSERT (Dev->TxCurPending > 0);
- ASSERT (Dev->TxCurPending <= Dev->TxMaxPending);
-
- UsedElemIdx = Dev->TxLastUsed++ % Dev->TxRing.QueueSize;
- DescIdx = Dev->TxRing.Used.UsedElem[UsedElemIdx].Id;
- ASSERT (DescIdx < (UINT32) (2 * Dev->TxMaxPending - 1));
-
- //
- // report buffer address to caller that has been enqueued by caller
- //
- *TxBuf = (VOID *)(UINTN) Dev->TxRing.Desc[DescIdx + 1].Addr;
-
- //
- // now this descriptor can be used again to enqueue a transmit buffer
- //
- Dev->TxFreeStack[--Dev->TxCurPending] = (UINT16) DescIdx;
- }
- }
-
- Status = EFI_SUCCESS;
-
-Exit:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
diff --git a/OvmfPkg/VirtioNetDxe/SnpInitialize.c b/OvmfPkg/VirtioNetDxe/SnpInitialize.c deleted file mode 100644 index 223030af9e..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpInitialize.c +++ /dev/null @@ -1,490 +0,0 @@ -/** @file
-
- Implementation of the SNP.Initialize() 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/BaseLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#include "VirtioNet.h"
-
-/**
- Initialize a virtio ring for a specific transfer direction of the virtio-net
- device.
-
- This function may only be called by VirtioNetInitialize().
-
- @param[in,out] Dev The VNET_DEV driver instance about to enter the
- EfiSimpleNetworkInitialized state.
- @param[in] Selector Identifies the transfer direction (virtio queue) of
- the network device.
- @param[out] Ring The virtio-ring inside the VNET_DEV structure,
- corresponding to Selector.
-
- @retval EFI_UNSUPPORTED The queue size reported by the virtio-net device is
- too small.
- @return Status codes from VIRTIO_CFG_WRITE(),
- VIRTIO_CFG_READ() and VirtioRingInit().
- @retval EFI_SUCCESS Ring initialized.
-*/
-
-STATIC
-EFI_STATUS
-EFIAPI
-VirtioNetInitRing (
- IN OUT VNET_DEV *Dev,
- IN UINT16 Selector,
- OUT VRING *Ring
- )
-{
- EFI_STATUS Status;
- UINT16 QueueSize;
-
- //
- // step 4b -- allocate selected queue
- //
- Status = Dev->VirtIo->SetQueueSel (Dev->VirtIo, Selector);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- Status = Dev->VirtIo->GetQueueNumMax (Dev->VirtIo, &QueueSize);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // For each packet (RX and TX alike), we need two descriptors:
- // one for the virtio-net request header, and another one for the data
- //
- if (QueueSize < 2) {
- return EFI_UNSUPPORTED;
- }
- Status = VirtioRingInit (QueueSize, Ring);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Additional steps for MMIO: align the queue appropriately, and set the
- // size. If anything fails from here on, we must release the ring resources.
- //
- Status = Dev->VirtIo->SetQueueNum (Dev->VirtIo, QueueSize);
- if (EFI_ERROR (Status)) {
- goto ReleaseQueue;
- }
-
- Status = Dev->VirtIo->SetQueueAlign (Dev->VirtIo, EFI_PAGE_SIZE);
- if (EFI_ERROR (Status)) {
- goto ReleaseQueue;
- }
-
- //
- // step 4c -- report GPFN (guest-physical frame number) of queue
- //
- Status = Dev->VirtIo->SetQueueAddress (Dev->VirtIo,
- (UINT32) ((UINTN) Ring->Base >> EFI_PAGE_SHIFT));
- if (EFI_ERROR (Status)) {
- goto ReleaseQueue;
- }
-
- return EFI_SUCCESS;
-
-ReleaseQueue:
- VirtioRingUninit (Ring);
-
- return Status;
-}
-
-
-/**
- Set up static scaffolding for the VirtioNetTransmit() and
- VirtioNetGetStatus() SNP methods.
-
- This function may only be called by VirtioNetInitialize().
-
- The structures laid out and resources configured include:
- - fully populate the TX queue with a static pattern of virtio descriptor
- chains,
- - tracking of heads of free descriptor chains from the above,
- - one common virtio-net request header (never modified by the host) for all
- pending TX packets,
- - select polling over TX interrupt.
-
- @param[in,out] Dev The VNET_DEV driver instance about to enter the
- EfiSimpleNetworkInitialized state.
-
- @retval EFI_OUT_OF_RESOURCES Failed to allocate the stack to track the heads
- of free descriptor chains.
- @retval EFI_SUCCESS TX setup successful.
-*/
-
-STATIC
-EFI_STATUS
-EFIAPI
-VirtioNetInitTx (
- IN OUT VNET_DEV *Dev
- )
-{
- UINTN PktIdx;
-
- Dev->TxMaxPending = (UINT16) MIN (Dev->TxRing.QueueSize / 2,
- VNET_MAX_PENDING);
- Dev->TxCurPending = 0;
- Dev->TxFreeStack = AllocatePool (Dev->TxMaxPending *
- sizeof *Dev->TxFreeStack);
- if (Dev->TxFreeStack == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- for (PktIdx = 0; PktIdx < Dev->TxMaxPending; ++PktIdx) {
- UINT16 DescIdx;
-
- DescIdx = (UINT16) (2 * PktIdx);
- Dev->TxFreeStack[PktIdx] = DescIdx;
-
- //
- // For each possibly pending packet, lay out the descriptor for the common
- // (unmodified by the host) virtio-net request header.
- //
- Dev->TxRing.Desc[DescIdx].Addr = (UINTN) &Dev->TxSharedReq;
- Dev->TxRing.Desc[DescIdx].Len = sizeof Dev->TxSharedReq;
- Dev->TxRing.Desc[DescIdx].Flags = VRING_DESC_F_NEXT;
- Dev->TxRing.Desc[DescIdx].Next = (UINT16) (DescIdx + 1);
-
- //
- // The second descriptor of each pending TX packet is updated on the fly,
- // but it always terminates the descriptor chain of the packet.
- //
- Dev->TxRing.Desc[DescIdx + 1].Flags = 0;
- }
-
- //
- // virtio-0.9.5, Appendix C, Packet Transmission
- //
- Dev->TxSharedReq.Flags = 0;
- Dev->TxSharedReq.GsoType = VIRTIO_NET_HDR_GSO_NONE;
-
- //
- // virtio-0.9.5, 2.4.2 Receiving Used Buffers From the Device
- //
- MemoryFence ();
- Dev->TxLastUsed = *Dev->TxRing.Used.Idx;
- ASSERT (Dev->TxLastUsed == 0);
-
- //
- // want no interrupt when a transmit completes
- //
- *Dev->TxRing.Avail.Flags = (UINT16) VRING_AVAIL_F_NO_INTERRUPT;
-
- return EFI_SUCCESS;
-}
-
-
-/**
- Set up static scaffolding for the VirtioNetReceive() SNP method and enable
- live device operation.
-
- This function may only be called as VirtioNetInitialize()'s final step.
-
- The structures laid out and resources configured include:
- - destination area for the host to write virtio-net request headers and
- packet data into,
- - select polling over RX interrupt,
- - fully populate the RX queue with a static pattern of virtio descriptor
- chains.
-
- @param[in,out] Dev The VNET_DEV driver instance about to enter the
- EfiSimpleNetworkInitialized state.
-
- @retval EFI_OUT_OF_RESOURCES Failed to allocate RX destination area.
- @return Status codes from VIRTIO_CFG_WRITE().
- @retval EFI_SUCCESS RX setup successful. The device is live and may
- already be writing to the receive area.
-*/
-
-STATIC
-EFI_STATUS
-EFIAPI
-VirtioNetInitRx (
- IN OUT VNET_DEV *Dev
- )
-{
- EFI_STATUS Status;
- UINTN RxBufSize;
- UINT16 RxAlwaysPending;
- UINTN PktIdx;
- UINT16 DescIdx;
- UINT8 *RxPtr;
-
- //
- // For each incoming packet we must supply two descriptors:
- // - the recipient for the virtio-net request header, plus
- // - the recipient for the network data (which consists of Ethernet header
- // and Ethernet payload).
- //
- RxBufSize = sizeof (VIRTIO_NET_REQ) +
- (Dev->Snm.MediaHeaderSize + Dev->Snm.MaxPacketSize);
-
- //
- // Limit the number of pending RX packets if the queue is big. The division
- // by two is due to the above "two descriptors per packet" trait.
- //
- RxAlwaysPending = (UINT16) MIN (Dev->RxRing.QueueSize / 2, VNET_MAX_PENDING);
-
- Dev->RxBuf = AllocatePool (RxAlwaysPending * RxBufSize);
- if (Dev->RxBuf == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- //
- // virtio-0.9.5, 2.4.2 Receiving Used Buffers From the Device
- //
- MemoryFence ();
- Dev->RxLastUsed = *Dev->RxRing.Used.Idx;
- ASSERT (Dev->RxLastUsed == 0);
-
- //
- // virtio-0.9.5, 2.4.2 Receiving Used Buffers From the Device:
- // the host should not send interrupts, we'll poll in VirtioNetReceive()
- // and VirtioNetIsPacketAvailable().
- //
- *Dev->RxRing.Avail.Flags = (UINT16) VRING_AVAIL_F_NO_INTERRUPT;
-
- //
- // now set up a separate, two-part descriptor chain for each RX packet, and
- // link each chain into (from) the available ring as well
- //
- DescIdx = 0;
- RxPtr = Dev->RxBuf;
- for (PktIdx = 0; PktIdx < RxAlwaysPending; ++PktIdx) {
- //
- // virtio-0.9.5, 2.4.1.2 Updating the Available Ring
- // invisible to the host until we update the Index Field
- //
- Dev->RxRing.Avail.Ring[PktIdx] = DescIdx;
-
- //
- // virtio-0.9.5, 2.4.1.1 Placing Buffers into the Descriptor Table
- //
- Dev->RxRing.Desc[DescIdx].Addr = (UINTN) RxPtr;
- Dev->RxRing.Desc[DescIdx].Len = sizeof (VIRTIO_NET_REQ);
- Dev->RxRing.Desc[DescIdx].Flags = VRING_DESC_F_WRITE | VRING_DESC_F_NEXT;
- Dev->RxRing.Desc[DescIdx].Next = (UINT16) (DescIdx + 1);
- RxPtr += Dev->RxRing.Desc[DescIdx++].Len;
-
- Dev->RxRing.Desc[DescIdx].Addr = (UINTN) RxPtr;
- Dev->RxRing.Desc[DescIdx].Len = (UINT32) (RxBufSize -
- sizeof (VIRTIO_NET_REQ));
- Dev->RxRing.Desc[DescIdx].Flags = VRING_DESC_F_WRITE;
- RxPtr += Dev->RxRing.Desc[DescIdx++].Len;
- }
-
- //
- // virtio-0.9.5, 2.4.1.3 Updating the Index Field
- //
- MemoryFence ();
- *Dev->RxRing.Avail.Idx = RxAlwaysPending;
-
- //
- // At this point reception may already be running. In order to make it sure,
- // kick the hypervisor. If we fail to kick it, we must first abort reception
- // before tearing down anything, because reception may have been already
- // running even without the kick.
- //
- // virtio-0.9.5, 2.4.1.4 Notifying the Device
- //
- MemoryFence ();
- Status = Dev->VirtIo->SetQueueNotify (Dev->VirtIo, VIRTIO_NET_Q_RX);
- if (EFI_ERROR (Status)) {
- Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, 0);
- FreePool (Dev->RxBuf);
- }
-
- return Status;
-}
-
-
-/**
- Resets a network adapter and allocates the transmit and receive buffers
- required by the network interface; optionally, also requests allocation of
- additional transmit and receive buffers.
-
- @param This The protocol instance pointer.
- @param ExtraRxBufferSize The size, in bytes, of the extra receive buffer
- space that the driver should allocate for the
- network interface. Some network interfaces will not
- be able to use the extra buffer, and the caller
- will not know if it is actually being used.
- @param ExtraTxBufferSize The size, in bytes, of the extra transmit buffer
- space that the driver should allocate for the
- network interface. Some network interfaces will not
- be able to use the extra buffer, and the caller
- will not know if it is actually being used.
-
- @retval EFI_SUCCESS The network interface was initialized.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_OUT_OF_RESOURCES There was not enough memory for the transmit
- and receive buffers.
- @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
-VirtioNetInitialize (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN UINTN ExtraRxBufferSize OPTIONAL,
- IN UINTN ExtraTxBufferSize OPTIONAL
- )
-{
- VNET_DEV *Dev;
- EFI_TPL OldTpl;
- EFI_STATUS Status;
- UINT8 NextDevStat;
- UINT32 Features;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- if (ExtraRxBufferSize > 0 || ExtraTxBufferSize > 0) {
- return EFI_UNSUPPORTED;
- }
-
- Dev = VIRTIO_NET_FROM_SNP (This);
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- if (Dev->Snm.State != EfiSimpleNetworkStarted) {
- Status = EFI_NOT_STARTED;
- goto InitFailed;
- }
-
- //
- // In the EfiSimpleNetworkStarted state the virtio-net device has status
- // value 0 (= reset) -- see the state diagram, the full call chain to
- // the end of VirtioNetGetFeatures() (considering we're here now),
- // the DeviceFailed label below, and VirtioNetShutdown().
- //
- // Accordingly, the below is a subsequence of the steps found in the
- // virtio-0.9.5 spec, 2.2.1 Device Initialization Sequence.
- //
- NextDevStat = VSTAT_ACK; // step 2 -- acknowledge device presence
- Status = Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, NextDevStat);
- if (EFI_ERROR (Status)) {
- goto InitFailed;
- }
-
- NextDevStat |= VSTAT_DRIVER; // step 3 -- we know how to drive it
- Status = Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, NextDevStat);
- if (EFI_ERROR (Status)) {
- goto DeviceFailed;
- }
-
- //
- // Set Page Size - MMIO VirtIo Specific
- //
- Status = Dev->VirtIo->SetPageSize (Dev->VirtIo, EFI_PAGE_SIZE);
- if (EFI_ERROR (Status)) {
- goto DeviceFailed;
- }
-
- //
- // step 4a -- retrieve features. Note that we're past validating required
- // features in VirtioNetGetFeatures().
- //
- Status = Dev->VirtIo->GetDeviceFeatures (Dev->VirtIo, &Features);
- if (EFI_ERROR (Status)) {
- goto DeviceFailed;
- }
-
- ASSERT (Features & VIRTIO_NET_F_MAC);
- ASSERT (Dev->Snm.MediaPresentSupported ==
- !!(Features & VIRTIO_NET_F_STATUS));
-
- //
- // step 4b, 4c -- allocate and report virtqueues
- //
- Status = VirtioNetInitRing (Dev, VIRTIO_NET_Q_RX, &Dev->RxRing);
- if (EFI_ERROR (Status)) {
- goto DeviceFailed;
- }
-
- Status = VirtioNetInitRing (Dev, VIRTIO_NET_Q_TX, &Dev->TxRing);
- if (EFI_ERROR (Status)) {
- goto ReleaseRxRing;
- }
-
- //
- // step 5 -- keep only the features we want
- //
- Features &= VIRTIO_NET_F_MAC | VIRTIO_NET_F_STATUS;
- Status = Dev->VirtIo->SetGuestFeatures (Dev->VirtIo, Features);
- if (EFI_ERROR (Status)) {
- goto ReleaseTxRing;
- }
-
- //
- // step 6 -- virtio-net initialization complete
- //
- NextDevStat |= VSTAT_DRIVER_OK;
- Status = Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, NextDevStat);
- if (EFI_ERROR (Status)) {
- goto ReleaseTxRing;
- }
-
- Status = VirtioNetInitTx (Dev);
- if (EFI_ERROR (Status)) {
- goto AbortDevice;
- }
-
- //
- // start receiving
- //
- Status = VirtioNetInitRx (Dev);
- if (EFI_ERROR (Status)) {
- goto ReleaseTxAux;
- }
-
- Dev->Snm.State = EfiSimpleNetworkInitialized;
- gBS->RestoreTPL (OldTpl);
- return EFI_SUCCESS;
-
-ReleaseTxAux:
- VirtioNetShutdownTx (Dev);
-
-AbortDevice:
- Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, 0);
-
-ReleaseTxRing:
- VirtioRingUninit (&Dev->TxRing);
-
-ReleaseRxRing:
- VirtioRingUninit (&Dev->RxRing);
-
-DeviceFailed:
- //
- // restore device status invariant for the EfiSimpleNetworkStarted state
- //
- Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, 0);
-
-InitFailed:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
diff --git a/OvmfPkg/VirtioNetDxe/SnpMcastIpToMac.c b/OvmfPkg/VirtioNetDxe/SnpMcastIpToMac.c deleted file mode 100644 index 686fd0db4e..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpMcastIpToMac.c +++ /dev/null @@ -1,108 +0,0 @@ -/** @file
-
- Implementation of the SNP.McastIpToMac() 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"
-
-/**
- Converts a multicast IP address to a multicast HW MAC address.
-
- @param This The protocol instance pointer.
- @param IPv6 Set to TRUE if the multicast IP address is IPv6 [RFC 2460]. Set
- to FALSE if the multicast IP address is IPv4 [RFC 791].
- @param IP The multicast IP address that is to be converted to a multicast
- HW MAC address.
- @param MAC The multicast HW MAC address that is to be generated from IP.
-
- @retval EFI_SUCCESS The multicast IP address was mapped to the
- multicast HW MAC address.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The
- current buffer size needed to hold the
- statistics is returned in StatisticsSize.
- @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
-VirtioNetMcastIpToMac (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN IPv6,
- IN EFI_IP_ADDRESS *Ip,
- OUT EFI_MAC_ADDRESS *Mac
- )
-{
- VNET_DEV *Dev;
- EFI_TPL OldTpl;
- EFI_STATUS Status;
-
- //
- // http://en.wikipedia.org/wiki/Multicast_address
- //
- if (This == NULL || Ip == NULL || Mac == NULL ||
- ( IPv6 && (Ip->v6.Addr[0] ) != 0xFF) || // invalid IPv6 mcast addr
- (!IPv6 && (Ip->v4.Addr[0] & 0xF0) != 0xE0) // invalid IPv4 mcast addr
- ) {
- return EFI_INVALID_PARAMETER;
- }
-
- Dev = VIRTIO_NET_FROM_SNP (This);
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- switch (Dev->Snm.State) {
- case EfiSimpleNetworkStopped:
- Status = EFI_NOT_STARTED;
- goto Exit;
- case EfiSimpleNetworkStarted:
- Status = EFI_DEVICE_ERROR;
- goto Exit;
- default:
- break;
- }
-
- //
- // http://en.wikipedia.org/wiki/IP_multicast#Layer_2_delivery
- //
- if (IPv6) {
- Mac->Addr[0] = 0x33;
- Mac->Addr[1] = 0x33;
- Mac->Addr[2] = Ip->v6.Addr[12];
- Mac->Addr[3] = Ip->v6.Addr[13];
- Mac->Addr[4] = Ip->v6.Addr[14];
- Mac->Addr[5] = Ip->v6.Addr[15];
- }
- else {
- Mac->Addr[0] = 0x01;
- Mac->Addr[1] = 0x00;
- Mac->Addr[2] = 0x5E;
- Mac->Addr[3] = Ip->v4.Addr[1] & 0x7F;
- Mac->Addr[4] = Ip->v4.Addr[2];
- Mac->Addr[5] = Ip->v4.Addr[3];
- }
- Status = EFI_SUCCESS;
-
-Exit:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
diff --git a/OvmfPkg/VirtioNetDxe/SnpReceive.c b/OvmfPkg/VirtioNetDxe/SnpReceive.c deleted file mode 100644 index 99abd7ebe4..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpReceive.c +++ /dev/null @@ -1,188 +0,0 @@ -/** @file
-
- Implementation of the SNP.Receive() function and its private helpers if any.
-
- Copyright (C) 2013, Red Hat, Inc.
- Copyright (c) 2006 - 2013, 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/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#include "VirtioNet.h"
-
-/**
- Receives a packet from a network interface.
-
- @param This The protocol instance pointer.
- @param HeaderSize The size, in bytes, of the media header received on the
- network interface. If this parameter is NULL, then the
- media header size will not be returned.
- @param BufferSize On entry, the size, in bytes, of Buffer. On exit, the
- size, in bytes, of the packet that was received on the
- network interface.
- @param Buffer A pointer to the data buffer to receive both the media
- header and the data.
- @param SrcAddr The source HW MAC address. If this parameter is NULL, the
- HW MAC source address will not be extracted from the media
- header.
- @param DestAddr The destination HW MAC address. If this parameter is NULL,
- the HW MAC destination address will not be extracted from
- the media header.
- @param Protocol The media header type. If this parameter is NULL, then the
- protocol will not be extracted from the media header. See
- RFC 1700 section "Ether Types" for examples.
-
- @retval EFI_SUCCESS The received data was stored in Buffer, and
- BufferSize has been updated to the number of
- bytes received.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_NOT_READY The network interface is too busy to accept
- this transmit request.
- @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.
- @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
-VirtioNetReceive (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- OUT UINTN *HeaderSize OPTIONAL,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer,
- OUT EFI_MAC_ADDRESS *SrcAddr OPTIONAL,
- OUT EFI_MAC_ADDRESS *DestAddr OPTIONAL,
- OUT UINT16 *Protocol OPTIONAL
- )
-{
- VNET_DEV *Dev;
- EFI_TPL OldTpl;
- EFI_STATUS Status;
- UINT16 RxCurUsed;
- UINT16 UsedElemIdx;
- UINT32 DescIdx;
- UINT32 RxLen;
- UINTN OrigBufferSize;
- UINT8 *RxPtr;
- UINT16 AvailIdx;
- EFI_STATUS NotifyStatus;
-
- if (This == NULL || BufferSize == NULL || Buffer == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Dev = VIRTIO_NET_FROM_SNP (This);
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- switch (Dev->Snm.State) {
- case EfiSimpleNetworkStopped:
- Status = EFI_NOT_STARTED;
- goto Exit;
- case EfiSimpleNetworkStarted:
- Status = EFI_DEVICE_ERROR;
- goto Exit;
- default:
- break;
- }
-
- //
- // virtio-0.9.5, 2.4.2 Receiving Used Buffers From the Device
- //
- MemoryFence ();
- RxCurUsed = *Dev->RxRing.Used.Idx;
- MemoryFence ();
-
- if (Dev->RxLastUsed == RxCurUsed) {
- Status = EFI_NOT_READY;
- goto Exit;
- }
-
- UsedElemIdx = Dev->RxLastUsed % Dev->RxRing.QueueSize;
- DescIdx = Dev->RxRing.Used.UsedElem[UsedElemIdx].Id;
- RxLen = Dev->RxRing.Used.UsedElem[UsedElemIdx].Len;
-
- //
- // the virtio-net request header must be complete; we skip it
- //
- ASSERT (RxLen >= Dev->RxRing.Desc[DescIdx].Len);
- RxLen -= Dev->RxRing.Desc[DescIdx].Len;
- //
- // the host must not have filled in more data than requested
- //
- ASSERT (RxLen <= Dev->RxRing.Desc[DescIdx + 1].Len);
-
- OrigBufferSize = *BufferSize;
- *BufferSize = RxLen;
-
- if (OrigBufferSize < RxLen) {
- Status = EFI_BUFFER_TOO_SMALL;
- goto Exit; // keep the packet
- }
-
- if (RxLen < Dev->Snm.MediaHeaderSize) {
- Status = EFI_DEVICE_ERROR;
- goto RecycleDesc; // drop useless short packet
- }
-
- if (HeaderSize != NULL) {
- *HeaderSize = Dev->Snm.MediaHeaderSize;
- }
-
- RxPtr = (UINT8 *)(UINTN) Dev->RxRing.Desc[DescIdx + 1].Addr;
- CopyMem (Buffer, RxPtr, RxLen);
-
- if (DestAddr != NULL) {
- CopyMem (DestAddr, RxPtr, SIZE_OF_VNET (Mac));
- }
- RxPtr += SIZE_OF_VNET (Mac);
-
- if (SrcAddr != NULL) {
- CopyMem (SrcAddr, RxPtr, SIZE_OF_VNET (Mac));
- }
- RxPtr += SIZE_OF_VNET (Mac);
-
- if (Protocol != NULL) {
- *Protocol = (UINT16) ((RxPtr[0] << 8) | RxPtr[1]);
- }
- RxPtr += sizeof (UINT16);
-
- Status = EFI_SUCCESS;
-
-RecycleDesc:
- ++Dev->RxLastUsed;
-
- //
- // virtio-0.9.5, 2.4.1 Supplying Buffers to The Device
- //
- AvailIdx = *Dev->RxRing.Avail.Idx;
- Dev->RxRing.Avail.Ring[AvailIdx++ % Dev->RxRing.QueueSize] =
- (UINT16) DescIdx;
-
- MemoryFence ();
- *Dev->RxRing.Avail.Idx = AvailIdx;
-
- MemoryFence ();
- NotifyStatus = Dev->VirtIo->SetQueueNotify (Dev->VirtIo, VIRTIO_NET_Q_RX);
- if (!EFI_ERROR (Status)) { // earlier error takes precedence
- Status = NotifyStatus;
- }
-
-Exit:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
diff --git a/OvmfPkg/VirtioNetDxe/SnpReceiveFilters.c b/OvmfPkg/VirtioNetDxe/SnpReceiveFilters.c deleted file mode 100644 index 43e554fba2..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpReceiveFilters.c +++ /dev/null @@ -1,105 +0,0 @@ -/** @file
-
- Implementation of the SNP.ReceiveFilters() 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"
-
-/**
- Manages the multicast receive filters of a network interface.
-
- @param This The protocol instance pointer.
- @param Enable A bit mask of receive filters to enable on the
- network interface.
- @param Disable A bit mask of receive filters to disable on the
- network interface.
- @param ResetMCastFilter Set to TRUE to reset the contents of the multicast
- receive filters on the network interface to their
- default values.
- @param McastFilterCnt Number of multicast HW MAC addresses in the new
- MCastFilter list. This value must be less than or
- equal to the MCastFilterCnt field of
- EFI_SIMPLE_NETWORK_MODE. This field is optional if
- ResetMCastFilter is TRUE.
- @param MCastFilter A pointer to a list of new multicast receive filter
- HW MAC addresses. This list will replace any
- existing multicast HW MAC address list. This field
- is optional if ResetMCastFilter is TRUE.
-
- @retval EFI_SUCCESS The multicast receive filter list was updated.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @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
-VirtioNetReceiveFilters (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN UINT32 Enable,
- IN UINT32 Disable,
- IN BOOLEAN ResetMCastFilter,
- IN UINTN MCastFilterCnt OPTIONAL,
- IN EFI_MAC_ADDRESS *MCastFilter OPTIONAL
- )
-{
- 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);
- switch (Dev->Snm.State) {
- case EfiSimpleNetworkStopped:
- Status = EFI_NOT_STARTED;
- goto Exit;
- case EfiSimpleNetworkStarted:
- Status = EFI_DEVICE_ERROR;
- goto Exit;
- default:
- break;
- }
-
- //
- // MNP apparently fails to initialize on top of us if we simply return
- // EFI_UNSUPPORTED in this function.
- //
- // Hence we openly refuse multicast functionality, and fake the rest by
- // selecting a no stricter filter setting than whatever is requested. The
- // UEFI-2.3.1+errC spec allows this. In practice we don't change our current
- // (default) filter. Additionally, receiving software is responsible for
- // discarding any packets getting through the filter.
- //
- Status = (
- ((Enable | Disable) & ~Dev->Snm.ReceiveFilterMask) != 0 ||
- (!ResetMCastFilter && MCastFilterCnt > Dev->Snm.MaxMCastFilterCount)
- ) ? EFI_INVALID_PARAMETER : EFI_SUCCESS;
-
-Exit:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
diff --git a/OvmfPkg/VirtioNetDxe/SnpSharedHelpers.c b/OvmfPkg/VirtioNetDxe/SnpSharedHelpers.c deleted file mode 100644 index 9fedb72fdb..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpSharedHelpers.c +++ /dev/null @@ -1,53 +0,0 @@ -/** @file
-
- Helper functions used by at least two Simple Network Protocol methods.
-
- Copyright (C) 2013, Red Hat, Inc.
-
- 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/MemoryAllocationLib.h>
-
-#include "VirtioNet.h"
-
-/**
- Release RX and TX resources on the boundary of the
- EfiSimpleNetworkInitialized state.
-
- These functions contribute to rolling back a partial, failed initialization
- of the virtio-net SNP driver instance, or to shutting down a fully
- initialized, running instance.
-
- They are only callable by the VirtioNetInitialize() and the
- VirtioNetShutdown() SNP methods. See the state diagram in "VirtioNet.h".
-
- @param[in,out] Dev The VNET_DEV driver instance being shut down, or whose
- partial, failed initialization is being rolled back.
-*/
-
-VOID
-EFIAPI
-VirtioNetShutdownRx (
- IN OUT VNET_DEV *Dev
- )
-{
- FreePool (Dev->RxBuf);
-}
-
-
-VOID
-EFIAPI
-VirtioNetShutdownTx (
- IN OUT VNET_DEV *Dev
- )
-{
- FreePool (Dev->TxFreeStack);
-}
diff --git a/OvmfPkg/VirtioNetDxe/SnpShutdown.c b/OvmfPkg/VirtioNetDxe/SnpShutdown.c deleted file mode 100644 index 01409c0ce7..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpShutdown.c +++ /dev/null @@ -1,78 +0,0 @@ -/** @file
-
- Implementation of the SNP.Shutdown() 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"
-
-/**
- Resets a network adapter and leaves it in a state that is safe for another
- driver to initialize.
-
- @param This Protocol instance pointer.
-
- @retval EFI_SUCCESS The network interface was shutdown.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @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
-VirtioNetShutdown (
- 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);
- switch (Dev->Snm.State) {
- case EfiSimpleNetworkStopped:
- Status = EFI_NOT_STARTED;
- goto Exit;
- case EfiSimpleNetworkStarted:
- Status = EFI_DEVICE_ERROR;
- goto Exit;
- default:
- break;
- }
-
- Dev->VirtIo->SetDeviceStatus (Dev->VirtIo, 0);
- VirtioNetShutdownRx (Dev);
- VirtioNetShutdownTx (Dev);
- VirtioRingUninit (&Dev->TxRing);
- VirtioRingUninit (&Dev->RxRing);
-
- Dev->Snm.State = EfiSimpleNetworkStarted;
- Status = EFI_SUCCESS;
-
-Exit:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
diff --git a/OvmfPkg/VirtioNetDxe/SnpStart.c b/OvmfPkg/VirtioNetDxe/SnpStart.c deleted file mode 100644 index 4ded4d6db4..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpStart.c +++ /dev/null @@ -1,64 +0,0 @@ -/** @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 deleted file mode 100644 index 86c501930b..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpStop.c +++ /dev/null @@ -1,65 +0,0 @@ -/** @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;
-}
diff --git a/OvmfPkg/VirtioNetDxe/SnpTransmit.c b/OvmfPkg/VirtioNetDxe/SnpTransmit.c deleted file mode 100644 index 7ca40d5d06..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpTransmit.c +++ /dev/null @@ -1,169 +0,0 @@ -/** @file
-
- Implementation of the SNP.Transmit() function and its private helpers if any.
-
- Copyright (C) 2013, Red Hat, Inc.
- Copyright (c) 2006 - 2013, 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/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#include "VirtioNet.h"
-
-/**
- Places a packet in the transmit queue of a network interface.
-
- @param This The protocol instance pointer.
- @param HeaderSize The size, in bytes, of the media header to be filled in by
- the Transmit() function. If HeaderSize is non-zero, then
- it must be equal to This->Mode->MediaHeaderSize and the
- DestAddr and Protocol parameters must not be NULL.
- @param BufferSize The size, in bytes, of the entire packet (media header and
- data) to be transmitted through the network interface.
- @param Buffer A pointer to the packet (media header followed by data) to
- be transmitted. This parameter cannot be NULL. If
- HeaderSize is zero, then the media header in Buffer must
- already be filled in by the caller. If HeaderSize is
- non-zero, then the media header will be filled in by the
- Transmit() function.
- @param SrcAddr The source HW MAC address. If HeaderSize is zero, then
- this parameter is ignored. If HeaderSize is non-zero and
- SrcAddr is NULL, then This->Mode->CurrentAddress is used
- for the source HW MAC address.
- @param DestAddr The destination HW MAC address. If HeaderSize is zero,
- then this parameter is ignored.
- @param Protocol The type of header to build. If HeaderSize is zero, then
- this parameter is ignored. See RFC 1700, section "Ether
- Types", for examples.
-
- @retval EFI_SUCCESS The packet was placed on the transmit queue.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_NOT_READY The network interface is too busy to accept
- this transmit request.
- @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.
- @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
-VirtioNetTransmit (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN UINTN HeaderSize,
- IN UINTN BufferSize,
- IN /* +OUT! */ VOID *Buffer,
- IN EFI_MAC_ADDRESS *SrcAddr OPTIONAL,
- IN EFI_MAC_ADDRESS *DestAddr OPTIONAL,
- IN UINT16 *Protocol OPTIONAL
- )
-{
- VNET_DEV *Dev;
- EFI_TPL OldTpl;
- EFI_STATUS Status;
- UINT16 DescIdx;
- UINT16 AvailIdx;
-
- if (This == NULL || BufferSize == 0 || Buffer == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Dev = VIRTIO_NET_FROM_SNP (This);
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- switch (Dev->Snm.State) {
- case EfiSimpleNetworkStopped:
- Status = EFI_NOT_STARTED;
- goto Exit;
- case EfiSimpleNetworkStarted:
- Status = EFI_DEVICE_ERROR;
- goto Exit;
- default:
- break;
- }
-
- if (BufferSize < Dev->Snm.MediaHeaderSize) {
- Status = EFI_BUFFER_TOO_SMALL;
- goto Exit;
- }
- if (BufferSize > Dev->Snm.MediaHeaderSize + Dev->Snm.MaxPacketSize) {
- Status = EFI_INVALID_PARAMETER;
- goto Exit;
- }
-
- //
- // check if we have room for transmission
- //
- ASSERT (Dev->TxCurPending <= Dev->TxMaxPending);
- if (Dev->TxCurPending == Dev->TxMaxPending) {
- Status = EFI_NOT_READY;
- goto Exit;
- }
-
- //
- // the caller may want us to fill in the media header:
- // dst MAC, src MAC, Ethertype
- //
- if (HeaderSize != 0) {
- UINT8 *Ptr;
-
- if (HeaderSize != Dev->Snm.MediaHeaderSize ||
- DestAddr == NULL || Protocol == NULL) {
- Status = EFI_INVALID_PARAMETER;
- goto Exit;
- }
- Ptr = Buffer;
- ASSERT (SIZE_OF_VNET (Mac) <= sizeof (EFI_MAC_ADDRESS));
-
- CopyMem (Ptr, DestAddr, SIZE_OF_VNET (Mac));
- Ptr += SIZE_OF_VNET (Mac);
-
- CopyMem (Ptr,
- (SrcAddr == NULL) ? &Dev->Snm.CurrentAddress : SrcAddr,
- SIZE_OF_VNET (Mac));
- Ptr += SIZE_OF_VNET (Mac);
-
- *Ptr++ = (UINT8) (*Protocol >> 8);
- *Ptr++ = (UINT8) *Protocol;
-
- ASSERT ((UINTN) (Ptr - (UINT8 *) Buffer) == Dev->Snm.MediaHeaderSize);
- }
-
- //
- // virtio-0.9.5, 2.4.1 Supplying Buffers to The Device
- //
- DescIdx = Dev->TxFreeStack[Dev->TxCurPending++];
- Dev->TxRing.Desc[DescIdx + 1].Addr = (UINTN) Buffer;
- Dev->TxRing.Desc[DescIdx + 1].Len = (UINT32) BufferSize;
-
- //
- // the available index is never written by the host, we can read it back
- // without a barrier
- //
- AvailIdx = *Dev->TxRing.Avail.Idx;
- Dev->TxRing.Avail.Ring[AvailIdx++ % Dev->TxRing.QueueSize] = DescIdx;
-
- MemoryFence ();
- *Dev->TxRing.Avail.Idx = AvailIdx;
-
- MemoryFence ();
- Status = Dev->VirtIo->SetQueueNotify (Dev->VirtIo, VIRTIO_NET_Q_TX);
-
-Exit:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
diff --git a/OvmfPkg/VirtioNetDxe/SnpUnsupported.c b/OvmfPkg/VirtioNetDxe/SnpUnsupported.c deleted file mode 100644 index e9f3825fa2..0000000000 --- a/OvmfPkg/VirtioNetDxe/SnpUnsupported.c +++ /dev/null @@ -1,160 +0,0 @@ -/** @file
-
- Empty implementation of the SNP methods that dependent protocols don't
- absolutely need and the UEFI-2.3.1+errC specification allows us not to
- support.
-
- 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 "VirtioNet.h"
-
-/**
- Resets a network adapter and re-initializes it with the parameters that were
- provided in the previous call to Initialize().
-
- @param This The protocol instance pointer.
- @param ExtendedVerification Indicates that the driver may perform a more
- exhaustive verification operation of the device
- during reset.
-
- @retval EFI_SUCCESS The network interface was reset.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @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
-VirtioNetReset (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-
-/**
- Modifies or resets the current station address, if supported.
-
- @param This The protocol instance pointer.
- @param Reset Flag used to reset the station address to the network
- interfaces permanent address.
- @param New The new station address to be used for the network interface.
-
- @retval EFI_SUCCESS The network interfaces station address was
- updated.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @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
-VirtioNetStationAddress (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN Reset,
- IN EFI_MAC_ADDRESS *New OPTIONAL
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-
-/**
- Resets or collects the statistics on a network interface.
-
- @param This Protocol instance pointer.
- @param Reset Set to TRUE to reset the statistics for the network
- interface.
- @param StatisticsSize On input the size, in bytes, of StatisticsTable. On
- output the size, in bytes, of the resulting table of
- statistics.
- @param StatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure
- that contains the statistics.
-
- @retval EFI_SUCCESS The statistics were collected from the network
- interface.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The
- current buffer size needed to hold the
- statistics is returned in StatisticsSize.
- @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
-VirtioNetStatistics (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN Reset,
- IN OUT UINTN *StatisticsSize OPTIONAL,
- OUT EFI_NETWORK_STATISTICS *StatisticsTable OPTIONAL
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-
-/**
- Performs read and write operations on the NVRAM device attached to a network
- interface.
-
- @param This The protocol instance pointer.
- @param ReadWrite TRUE for read operations, FALSE for write operations.
- @param Offset Byte offset in the NVRAM device at which to start the read
- or write operation. This must be a multiple of
- NvRamAccessSize and less than NvRamSize.
- @param BufferSize The number of bytes to read or write from the NVRAM
- device. This must also be a multiple of NvramAccessSize.
- @param Buffer A pointer to the data buffer.
-
- @retval EFI_SUCCESS The NVRAM access was performed.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @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
-VirtioNetNvData (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN ReadWrite,
- IN UINTN Offset,
- IN UINTN BufferSize,
- IN OUT VOID *Buffer
- )
-{
- return EFI_UNSUPPORTED;
-}
diff --git a/OvmfPkg/VirtioNetDxe/TechNotes.txt b/OvmfPkg/VirtioNetDxe/TechNotes.txt deleted file mode 100644 index 9c1dfe6a77..0000000000 --- a/OvmfPkg/VirtioNetDxe/TechNotes.txt +++ /dev/null @@ -1,355 +0,0 @@ -## @file
-#
-# Technical notes for the virtio-net driver.
-#
-# Copyright (C) 2013, Red Hat, Inc.
-#
-# 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.
-#
-##
-
-Disclaimer
-----------
-
-All statements concerning standards and specifications are informative and not
-normative. They are made in good faith. Corrections are most welcome on the
-edk2-devel mailing list.
-
-The following documents have been perused while writing the driver and this
-document:
-- Unified Extensible Firmware Interface Specification, Version 2.3.1, Errata C;
- June 27, 2012
-- Driver Writer's Guide for UEFI 2.3.1, 03/08/2012, Version 1.01;
-- Virtio PCI Card Specification, v0.9.5 DRAFT, 2012 May 7.
-
-
-Summary
--------
-
-The VirtioNetDxe UEFI_DRIVER implements the Simple Network Protocol for
-virtio-net devices. Higher level protocols are automatically installed on top
-of it by the DXE Core / the ConnectController() boot service, enabling for
-virtio-net devices eg. DHCP configuration, TCP transfers with edk2 StdLib
-applications, and PXE booting in OVMF.
-
-
-UEFI driver structure
----------------------
-
-A driver instance, belonging to a given virtio-net device, can be in one of
-four states at any time. The states stack up as follows below. The state
-transitions are labeled with the primary function (and its important callees
-faithfully indented) that implement the transition.
-
- | ^
- | |
- [DriverBinding.c] | | [DriverBinding.c]
- VirtioNetDriverBindingStart | | VirtioNetDriverBindingStop
- VirtioNetSnpPopulate | | VirtioNetSnpEvacuate
- VirtioNetGetFeatures | |
- v |
- +-------------------------+
- | EfiSimpleNetworkStopped |
- +-------------------------+
- | ^
- [SnpStart.c] | | [SnpStop.c]
- VirtioNetStart | | VirtioNetStop
- | |
- v |
- +-------------------------+
- | EfiSimpleNetworkStarted |
- +-------------------------+
- | ^
- [SnpInitialize.c] | | [SnpShutdown.c]
- VirtioNetInitialize | | VirtioNetShutdown
- VirtioNetInitRing {Rx, Tx} | | VirtioNetShutdownRx [SnpSharedHelpers.c]
- VirtioRingInit | | VirtioNetShutdownTx [SnpSharedHelpers.c]
- VirtioNetInitTx | | VirtioRingUninit {Tx, Rx}
- VirtioNetInitRx | |
- v |
- +-----------------------------+
- | EfiSimpleNetworkInitialized |
- +-----------------------------+
-
-The state at the top means "nonexistent" and is hence unnamed on the diagram --
-a driver instance actually doesn't exist at that point. The transition
-functions out of and into that state implement the Driver Binding Protocol.
-
-The lower three states characterize an existent driver instance and are all
-states defined by the Simple Network Protocol. The transition functions between
-them are member functions of the Simple Network Protocol.
-
-Each transition function validates its expected source state and its
-parameters. For example, VirtioNetDriverBindingStop will refuse to disconnect
-from the controller unless it's in EfiSimpleNetworkStopped.
-
-
-Driver instance states (Simple Network Protocol)
-------------------------------------------------
-
-In the EfiSimpleNetworkStopped state, the virtio-net device is (has been)
-re-set. No resources are allocated for networking / traffic purposes. The MAC
-address and other device attributes have been retrieved from the device (this
-is necessary for completing the VirtioNetDriverBindingStart transition).
-
-The EfiSimpleNetworkStarted is completely identical to the
-EfiSimpleNetworkStopped state for virtio-net, in the functional and
-resource-usage sense. This state is mandated / provided by the Simple Network
-Protocol for flexibility that the virtio-net driver doesn't exploit.
-
-In particular, the EfiSimpleNetworkStarted state is the target of the Shutdown
-SNP member function, and must therefore correspond to a hardware configuration
-where "[it] is safe for another driver to initialize". (Clearly another UEFI
-driver could not do that due to the exclusivity of the driver binding that
-VirtioNetDriverBindingStart() installs, but a later OS driver might qualify.)
-
-The EfiSimpleNetworkInitialized state is the live state of the virtio NIC / the
-driver instance. Virtio and other resources required for network traffic have
-been allocated, and the following SNP member functions are available (in
-addition to VirtioNetShutdown which leaves the state):
-
-- VirtioNetReceive [SnpReceive.c]: poll the virtio NIC for an Rx packet that
- may have arrived asynchronously;
-
-- VirtioNetTransmit [SnpTransmit.c]: queue a Tx packet for asynchronous
- transmission (meant to be used together with VirtioNetGetStatus);
-
-- VirtioNetGetStatus [SnpGetStatus.c]: query link status and status of pending
- Tx packets;
-
-- VirtioNetMcastIpToMac [SnpMcastIpToMac.c]: transform a multicast IPv4/IPv6
- address into a multicast MAC address;
-
-- VirtioNetReceiveFilters [SnpReceiveFilters.c]: emulate unicast / multicast /
- broadcast filter configuration (not their actual effect -- a more liberal
- filter setting than requested is allowed by the UEFI specification).
-
-The following SNP member functions are not supported [SnpUnsupported.c]:
-
-- VirtioNetReset: reinitialize the virtio NIC without shutting it down (a loop
- from/to EfiSimpleNetworkInitialized);
-
-- VirtioNetStationAddress: assign a new MAC address to the virtio NIC,
-
-- VirtioNetStatistics: collect statistics,
-
-- VirtioNetNvData: access non-volatile data on the virtio NIC.
-
-Missing support for these functions is allowed by the UEFI specification and
-doesn't seem to trip up higher level protocols.
-
-
-Events and task priority levels
--------------------------------
-
-The UEFI specification defines a sophisticated mechanism for asynchronous
-events / callbacks (see "6.1 Event, Timer, and Task Priority Services" for
-details). Such callbacks work like software interrupts, and some notion of
-locking / masking is important to implement critical sections (atomic or
-exclusive access to data or a device). This notion is defined as Task Priority
-Levels.
-
-The virtio-net driver for OVMF must concern itself with events for two reasons:
-
-- The Simple Network Protocol provides its clients with a (non-optional) WAIT
- type event called WaitForPacket: it allows them to check or wait for Rx
- packets by polling or blocking on this event. (This functionality overlaps
- with the Receive member function.) The event is available to clients starting
- with EfiSimpleNetworkStopped (inclusive).
-
- The virtio-net driver is informed about such client polling or blockage by
- receiving an asynchronous callback (a software interrupt). In the callback
- function the driver must interrogate the driver instance state, and if it is
- EfiSimpleNetworkInitialized, access the Rx queue and see if any packets are
- available for consumption. If so, it must signal the WaitForPacket WAIT type
- event, waking the client.
-
- For simplicity and safety, all parts of the virtio-net driver that access any
- bit of the driver instance (data or device) run at the TPL_CALLBACK level.
- This is the highest level allowed for an SNP implementation, and all code
- protected in this manner satisfies even stricter non-blocking requirements
- than what's documented for TPL_CALLBACK.
-
- The task priority level for the WaitForPacket callback too is set by the
- driver, the choice is TPL_CALLBACK again. This in effect serializes the
- WaitForPacket callback (VirtioNetIsPacketAvailable [Events.c]) with "normal"
- parts of the driver.
-
-- According to the Driver Writer's Guide, a network driver should install a
- callback function for the global EXIT_BOOT_SERVICES event (a special NOTIFY
- type event). When the ExitBootServices() boot service has cleaned up internal
- firmware state and is about to pass control to the OS, any network driver has
- to stop any in-flight DMA transfers, lest it corrupts OS memory. For this
- reason EXIT_BOOT_SERVICES is emitted and the network driver must abort
- in-flight DMA transfers.
-
- This callback (VirtioNetExitBoot) is synchronized with the rest of the driver
- code just the same as explained for WaitForPacket. In
- EfiSimpleNetworkInitialized state it resets the virtio NIC, halting all data
- transfer. After the callback returns, no further driver code is expected to
- be scheduled.
-
-
-Virtio internals -- Rx
-----------------------
-
-Requests (Rx and Tx alike) are always submitted by the guest and processed by
-the host. For Tx, processing means transmission. For Rx, processing means
-filling in the request with an incoming packet. Submitted requests exist on the
-"Available Ring", and answered (processed) requests show up on the "Used Ring".
-
-Packet data includes the media (Ethernet) header: destination MAC, source MAC,
-and Ethertype (14 bytes total).
-
-The following structures implement packet reception. Most of them are defined
-in the Virtio specification, the only driver-specific trait here is the static
-pre-configuration of the two-part descriptor chains, in VirtioNetInitRx. The
-diagram is simplified.
-
- Available Index Available Index
- last processed incremented
- by the host by the guest
- v -------> v
-Available +-------+-------+-------+-------+-------+
-Ring |DescIdx|DescIdx|DescIdx|DescIdx|DescIdx|
- +-------+-------+-------+-------+-------+
- =D6 =D2
-
- D2 D3 D4 D5 D6 D7
-Descr. +----------+----------++----------+----------++----------+----------+
-Table |Adr:Len:Nx|Adr:Len:Nx||Adr:Len:Nx|Adr:Len:Nx||Adr:Len:Nx|Adr:Len:Nx|
- +----------+----------++----------+----------++----------+----------+
- =A2 =D3 =A3 =A4 =D5 =A5 =A6 =D7 =A7
-
-
- A2 A3 A4 A5 A6 A7
-Receive +---------------+---------------+---------------+
-Destination |vnet hdr:packet|vnet hdr:packet|vnet hdr:packet|
-Area +---------------+---------------+---------------+
-
- Used Index Used Index incremented
- last processed by the guest by the host
- v -------> v
-Used +-----------+-----------+-----------+-----------+-----------+
-Ring |DescIdx:Len|DescIdx:Len|DescIdx:Len|DescIdx:Len|DescIdx:Len|
- +-----------+-----------+-----------+-----------+-----------+
- =D4
-
-In VirtioNetInitRx, the guest allocates the fixed size Receive Destination
-Area, which accommodates all packets delivered asynchronously by the host. To
-each packet, a slice of this area is dedicated; each slice is further
-subdivided into virtio-net request header and network packet data. The
-(guest-physical) addresses of these sub-slices are denoted with A2, A3, A4 and
-so on. Importantly, an even-subscript "A" always belongs to a virtio-net
-request header, while an odd-subscript "A" always belongs to a packet
-sub-slice.
-
-Furthermore, the guest lays out a static pattern in the Descriptor Table. For
-each packet that can be in-flight or already arrived from the host,
-VirtioNetInitRx sets up a separate, two-part descriptor chain. For packet N,
-the Nth descriptor chain is set up as follows:
-
-- the first (=head) descriptor, with even index, points to the fixed-size
- sub-slice receiving the virtio-net request header,
-
-- the second descriptor (with odd index) points to the fixed (1514 byte) size
- sub-slice receiving the packet data,
-
-- a link from the first (head) descriptor in the chain is established to the
- second (tail) descriptor in the chain.
-
-Finally, the guest populates the Available Ring with the indices of the head
-descriptors. All descriptor indices on both the Available Ring and the Used
-Ring are even.
-
-Packet reception occurs as follows:
-
-- The host consumes a descriptor index off the Available Ring. This index is
- even (=2*N), and fingers the head descriptor of the chain belonging to packet
- N.
-
-- The host reads the descriptors D(2*N) and -- following the Next link there
- --- D(2*N+1), and stores the virtio-net request header at A(2*N), and the
- packet data at A(2*N+1).
-
-- The host places the index of the head descriptor, 2*N, onto the Used Ring,
- and sets the Len field in the same Used Ring Element to the total number of
- bytes transferred for the entire descriptor chain. This enables the guest to
- identify the length of Rx packets.
-
-- VirtioNetReceive polls the Used Ring. If a new Used Ring Element shows up, it
- copies the data out to the caller, and recycles the index of the head
- descriptor (ie. 2*N) to the Available Ring.
-
-- Because the host can process (answer) Rx requests in any order theoretically,
- the order of head descriptor indices on each of the Available Ring and the
- Used Ring is virtually random. (Except right after the initial population in
- VirtioNetInitRx, when the Available Ring is full and increasing, and the Used
- Ring is empty.)
-
-- If the Available Ring is empty, the host is forced to drop packets. If the
- Used Ring is empty, VirtioNetReceive returns EFI_NOT_READY (no packet
- available).
-
-
-Virtio internals -- Tx
-----------------------
-
-The transmission structure erected by VirtioNetInitTx is similar, it differs
-in the following:
-
-- There is no Receive Destination Area.
-
-- Each head descriptor, D(2*N), points to a read-only virtio-net request header
- that is shared by all of the head descriptors. This virtio-net request header
- is never modified by the host.
-
-- Each tail descriptor is re-pointed to the caller-supplied packet buffer
- whenever VirtioNetTransmit places the corresponding head descriptor on the
- Available Ring. The caller is responsible to hang on to the unmodified buffer
- until it is reported transmitted by VirtioNetGetStatus.
-
-Steps of packet transmission:
-
-- Client code calls VirtioNetTransmit. VirtioNetTransmit tracks free descriptor
- chains by keeping the indices of their head descriptors in a stack that is
- private to the driver instance. All elements of the stack are even.
-
-- If the stack is empty (that is, each descriptor chain, in isolation, is
- either pending transmission, or has been processed by the host but not
- yet recycled by a VirtioNetGetStatus call), then VirtioNetTransmit returns
- EFI_NOT_READY.
-
-- Otherwise the index of a free chain's head descriptor is popped from the
- stack. The linked tail descriptor is re-pointed as discussed above. The head
- descriptor's index is pushed on the Available Ring.
-
-- The host moves the head descriptor index from the Available Ring to the Used
- Ring when it transmits the packet.
-
-- Client code calls VirtioNetGetStatus. In case the Used Ring is empty, the
- function reports no Tx completion. Otherwise, a head descriptor's index is
- consumed from the Used Ring and recycled to the private stack. The client
- code's original packet buffer address is fetched from the tail descriptor
- (where it has been stored at VirtioNetTransmit time) and returned to the
- caller.
-
-- The Len field of the Used Ring Element is not checked. The host is assumed to
- have transmitted the entire packet -- VirtioNetTransmit had forced it below
- 1514 bytes (inclusive). The Virtio specification suggests this packet size is
- always accepted (and a lower MTU could be encountered on any later hop as
- well). Additionally, there's no good way to report a short transmit via
- VirtioNetGetStatus; EFI_DEVICE_ERROR seems too serious from the specification
- and higher level protocols could interpret it as a fatal condition.
-
-- The host can theoretically reorder head descriptor indices when moving them
- from the Available Ring to the Used Ring (out of order transmission). Because
- of this (and the choice of a stack over a list for free descriptor chain
- tracking) the order of head descriptor indices on either Ring is
- unpredictable.
diff --git a/OvmfPkg/VirtioNetDxe/VirtioNet.h b/OvmfPkg/VirtioNetDxe/VirtioNet.h deleted file mode 100644 index 2d3f3d87eb..0000000000 --- a/OvmfPkg/VirtioNetDxe/VirtioNet.h +++ /dev/null @@ -1,283 +0,0 @@ -/** @file
-
- Internal definitions for the virtio-net driver, which produces Simple Network
- Protocol instances for virtio-net devices.
-
- Copyright (C) 2013, Red Hat, Inc.
-
- 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.
-**/
-
-#ifndef _VIRTIO_NET_DXE_H_
-#define _VIRTIO_NET_DXE_H_
-
-#include <IndustryStandard/VirtioNet.h>
-#include <Library/DebugLib.h>
-#include <Library/VirtioLib.h>
-#include <Protocol/ComponentName.h>
-#include <Protocol/ComponentName2.h>
-#include <Protocol/DevicePath.h>
-#include <Protocol/DriverBinding.h>
-#include <Protocol/SimpleNetwork.h>
-
-#define VNET_SIG SIGNATURE_32 ('V', 'N', 'E', 'T')
-
-//
-// maximum number of pending packets, separately for each direction
-//
-#define VNET_MAX_PENDING 64
-
-//
-// State diagram:
-//
-// | ^
-// | |
-// BindingStart BindingStop
-// +SnpPopulate |
-// ++GetFeatures |
-// | |
-// v |
-// +---------+ virtio-net device is reset, no resources are
-// | stopped | allocated for traffic, but MAC address has
-// +---------+ been retrieved
-// | ^
-// | |
-// SNP.Start SNP.Stop
-// | |
-// v |
-// +---------+
-// | started | functionally identical to stopped
-// +---------+
-// | ^
-// | |
-// SNP.Initialize SNP.Shutdown
-// | |
-// v |
-// +-------------+ Virtio-net setup complete, including DRIVER_OK
-// | initialized | bit. The receive queue is populated with
-// +-------------+ requests; McastIpToMac, GetStatus, Transmit,
-// Receive are callable.
-//
-
-typedef struct {
- //
- // Parts of this structure are initialized / torn down in various functions
- // at various call depths. The table to the right should make it easier to
- // track them.
- //
- // field init function
- // ------------------ ------------------------------
- UINT32 Signature; // VirtioNetDriverBindingStart
- VIRTIO_DEVICE_PROTOCOL *VirtIo; // VirtioNetDriverBindingStart
- EFI_SIMPLE_NETWORK_PROTOCOL Snp; // VirtioNetSnpPopulate
- EFI_SIMPLE_NETWORK_MODE Snm; // VirtioNetSnpPopulate
- EFI_EVENT ExitBoot; // VirtioNetSnpPopulate
- EFI_DEVICE_PATH_PROTOCOL *MacDevicePath; // VirtioNetDriverBindingStart
- EFI_HANDLE MacHandle; // VirtioNetDriverBindingStart
-
- VRING RxRing; // VirtioNetInitRing
- UINT8 *RxBuf; // VirtioNetInitRx
- UINT16 RxLastUsed; // VirtioNetInitRx
-
- VRING TxRing; // VirtioNetInitRing
- UINT16 TxMaxPending; // VirtioNetInitTx
- UINT16 TxCurPending; // VirtioNetInitTx
- UINT16 *TxFreeStack; // VirtioNetInitTx
- VIRTIO_NET_REQ TxSharedReq; // VirtioNetInitTx
- UINT16 TxLastUsed; // VirtioNetInitTx
-} VNET_DEV;
-
-
-//
-// In order to avoid duplication of interface documentation, please find all
-// leading comments near the respective function / variable definitions (not
-// the declarations here), which is where your code editor of choice takes you
-// anyway when jumping to a function.
-//
-
-//
-// utility macros
-//
-#define VIRTIO_NET_FROM_SNP(SnpPointer) \
- CR (SnpPointer, VNET_DEV, Snp, VNET_SIG)
-
-#define VIRTIO_CFG_WRITE(Dev, Field, Value) ((Dev)->VirtIo->WriteDevice ( \
- (Dev)->VirtIo, \
- OFFSET_OF_VNET (Field), \
- SIZE_OF_VNET (Field), \
- (Value) \
- ))
-
-#define VIRTIO_CFG_READ(Dev, Field, Pointer) ((Dev)->VirtIo->ReadDevice ( \
- (Dev)->VirtIo, \
- OFFSET_OF_VNET (Field), \
- SIZE_OF_VNET (Field), \
- sizeof *(Pointer), \
- (Pointer) \
- ))
-
-//
-// component naming
-//
-extern EFI_COMPONENT_NAME_PROTOCOL gVirtioNetComponentName;
-extern EFI_COMPONENT_NAME2_PROTOCOL gVirtioNetComponentName2;
-
-//
-// driver binding
-//
-extern EFI_DRIVER_BINDING_PROTOCOL gVirtioNetDriverBinding;
-
-//
-// member functions implementing the Simple Network Protocol
-//
-EFI_STATUS
-EFIAPI
-VirtioNetStart (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetStop (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetInitialize (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN UINTN ExtraRxBufferSize OPTIONAL,
- IN UINTN ExtraTxBufferSize OPTIONAL
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetReset (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetShutdown (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetReceiveFilters (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN UINT32 Enable,
- IN UINT32 Disable,
- IN BOOLEAN ResetMCastFilter,
- IN UINTN MCastFilterCnt OPTIONAL,
- IN EFI_MAC_ADDRESS *MCastFilter OPTIONAL
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetStationAddress (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN Reset,
- IN EFI_MAC_ADDRESS *New OPTIONAL
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetStatistics (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN Reset,
- IN OUT UINTN *StatisticsSize OPTIONAL,
- OUT EFI_NETWORK_STATISTICS *StatisticsTable OPTIONAL
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetMcastIpToMac (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN IPv6,
- IN EFI_IP_ADDRESS *Ip,
- OUT EFI_MAC_ADDRESS *Mac
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetNvData (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN ReadWrite,
- IN UINTN Offset,
- IN UINTN BufferSize,
- IN OUT VOID *Buffer
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetGetStatus (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- OUT UINT32 *InterruptStatus OPTIONAL,
- OUT VOID **TxBuf OPTIONAL
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetTransmit (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN UINTN HeaderSize,
- IN UINTN BufferSize,
- IN /* +OUT! */ VOID *Buffer,
- IN EFI_MAC_ADDRESS *SrcAddr OPTIONAL,
- IN EFI_MAC_ADDRESS *DestAddr OPTIONAL,
- IN UINT16 *Protocol OPTIONAL
- );
-
-EFI_STATUS
-EFIAPI
-VirtioNetReceive (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- OUT UINTN *HeaderSize OPTIONAL,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer,
- OUT EFI_MAC_ADDRESS *SrcAddr OPTIONAL,
- OUT EFI_MAC_ADDRESS *DestAddr OPTIONAL,
- OUT UINT16 *Protocol OPTIONAL
- );
-
-//
-// utility functions shared by various SNP member functions
-//
-VOID
-EFIAPI
-VirtioNetShutdownRx (
- IN OUT VNET_DEV *Dev
- );
-
-VOID
-EFIAPI
-VirtioNetShutdownTx (
- IN OUT VNET_DEV *Dev
- );
-
-//
-// event callbacks
-//
-VOID
-EFIAPI
-VirtioNetIsPacketAvailable (
- IN EFI_EVENT Event,
- IN VOID *Context
- );
-
-VOID
-EFIAPI
-VirtioNetExitBoot (
- IN EFI_EVENT Event,
- IN VOID *Context
- );
-
-#endif // _VIRTIO_NET_DXE_H_
diff --git a/OvmfPkg/VirtioNetDxe/VirtioNet.inf b/OvmfPkg/VirtioNetDxe/VirtioNet.inf deleted file mode 100644 index a855ad4ac1..0000000000 --- a/OvmfPkg/VirtioNetDxe/VirtioNet.inf +++ /dev/null @@ -1,60 +0,0 @@ -## @file
-#
-# This driver produces Simple Network Protocol instances for virtio-net
-# devices.
-#
-# Copyright (C) 2013, Red Hat, Inc.
-#
-# 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.
-#
-##
-
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = VirtioNetDxe
- FILE_GUID = A92CDB4B-82F1-4E0B-A516-8A655D371524
- MODULE_TYPE = UEFI_DRIVER
- VERSION_STRING = 1.0
- ENTRY_POINT = VirtioNetEntryPoint
-
-[Sources]
- ComponentName.c
- DriverBinding.c
- EntryPoint.c
- Events.c
- SnpGetStatus.c
- SnpInitialize.c
- SnpMcastIpToMac.c
- SnpReceive.c
- SnpReceiveFilters.c
- SnpSharedHelpers.c
- SnpShutdown.c
- SnpStart.c
- SnpStop.c
- SnpTransmit.c
- SnpUnsupported.c
-
-[Packages]
- MdePkg/MdePkg.dec
- OvmfPkg/OvmfPkg.dec
-
-[LibraryClasses]
- BaseMemoryLib
- DebugLib
- DevicePathLib
- MemoryAllocationLib
- UefiBootServicesTableLib
- UefiDriverEntryPoint
- UefiLib
- VirtioLib
-
-[Protocols]
- gEfiSimpleNetworkProtocolGuid ## BY_START
- gEfiDevicePathProtocolGuid ## BY_START
- gVirtioDeviceProtocolGuid ## TO_START
|