diff options
Diffstat (limited to 'OvmfPkg/Library/XenIoMmioLib/XenIoMmioLib.c')
| -rw-r--r-- | OvmfPkg/Library/XenIoMmioLib/XenIoMmioLib.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/OvmfPkg/Library/XenIoMmioLib/XenIoMmioLib.c b/OvmfPkg/Library/XenIoMmioLib/XenIoMmioLib.c deleted file mode 100644 index c710e85865..0000000000 --- a/OvmfPkg/Library/XenIoMmioLib/XenIoMmioLib.c +++ /dev/null @@ -1,166 +0,0 @@ -/** @file
-* Manage XenBus device path and I/O handles
-*
-* Copyright (c) 2015, Linaro Ltd. 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 <Library/DebugLib.h>
-#include <Library/UefiLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/DevicePathLib.h>
-#include <Library/XenIoMmioLib.h>
-
-#include <Protocol/XenIo.h>
-#include <Guid/XenBusRootDevice.h>
-
-#pragma pack (1)
-typedef struct {
- VENDOR_DEVICE_PATH Vendor;
- EFI_PHYSICAL_ADDRESS GrantTableAddress;
- EFI_DEVICE_PATH_PROTOCOL End;
-} XENBUS_ROOT_DEVICE_PATH;
-#pragma pack ()
-
-STATIC CONST XENBUS_ROOT_DEVICE_PATH mXenBusRootDevicePathTemplate = {
- {
- {
- HARDWARE_DEVICE_PATH,
- HW_VENDOR_DP,
- { sizeof (VENDOR_DEVICE_PATH) + sizeof (EFI_PHYSICAL_ADDRESS), 0 }
- },
- XENBUS_ROOT_DEVICE_GUID,
- },
- 0,
- {
- END_DEVICE_PATH_TYPE,
- END_ENTIRE_DEVICE_PATH_SUBTYPE,
- { sizeof (EFI_DEVICE_PATH_PROTOCOL), 0 }
- }
-};
-
-/**
-
- Install the XENBUS_ROOT_DEVICE_PATH and XENIO_PROTOCOL protocols on
- the handle pointed to by @Handle, or on a new handle if it points to
- NULL
-
- @param Handle Pointer to the handle to install the protocols
- on, may point to a NULL handle.
-
- @param GrantTableAddress The address of the Xen grant table
-
- @retval EFI_SUCCESS Protocols were installed successfully
-
- @retval EFI_OUT_OF_RESOURCES The function failed to allocate memory required
- by the XenIo MMIO and device path protocols
-
- @return Status code returned by the boot service
- InstallMultipleProtocolInterfaces ()
-
-**/
-EFI_STATUS
-XenIoMmioInstall (
- IN OUT EFI_HANDLE *Handle,
- IN EFI_PHYSICAL_ADDRESS GrantTableAddress
- )
-{
- EFI_STATUS Status;
- XENIO_PROTOCOL *XenIo;
- XENBUS_ROOT_DEVICE_PATH *XenBusDevicePath;
- EFI_HANDLE OutHandle;
-
- ASSERT (Handle != NULL);
-
- OutHandle = *Handle;
-
- XenIo = AllocateZeroPool (sizeof *XenIo);
- if (!XenIo) {
- return EFI_OUT_OF_RESOURCES;
- }
- XenIo->GrantTableAddress = GrantTableAddress;
-
- XenBusDevicePath = AllocateCopyPool (sizeof *XenBusDevicePath,
- &mXenBusRootDevicePathTemplate);
- if (!XenBusDevicePath) {
- DEBUG ((EFI_D_ERROR, "%a: Out of memory\n", __FUNCTION__));
- Status = EFI_OUT_OF_RESOURCES;
- goto FreeXenIo;
- }
- XenBusDevicePath->GrantTableAddress = GrantTableAddress;
-
- Status = gBS->InstallMultipleProtocolInterfaces (&OutHandle,
- &gEfiDevicePathProtocolGuid, XenBusDevicePath,
- &gXenIoProtocolGuid, XenIo,
- NULL);
- if (!EFI_ERROR (Status)) {
- *Handle = OutHandle;
- return EFI_SUCCESS;
- }
-
- DEBUG ((EFI_D_ERROR, "%a: Failed to install the EFI_DEVICE_PATH and "
- "XENIO_PROTOCOL protocols on handle %p (Status == %r)\n",
- __FUNCTION__, OutHandle, Status));
-
- FreePool (XenBusDevicePath);
-
-FreeXenIo:
- FreePool (XenIo);
- return Status;
-}
-
-/**
-
- Uninstall the XENBUS_ROOT_DEVICE_PATH and XENIO_PROTOCOL protocols
-
- @param Handle Handle onto which the protocols have been installed
- earlier by XenIoMmioInstall ()
-
- @retval EFI_SUCCESS Protocols were uninstalled successfully
-
- @return Status code returned by the boot service
- UninstallMultipleProtocolInterfaces ()
-
-**/
-EFI_STATUS
-XenIoMmioUninstall (
- IN EFI_HANDLE Handle
- )
-{
- EFI_STATUS Status;
- VOID *XenIo;
- VOID *XenBusDevicePath;
-
- XenBusDevicePath = NULL;
- gBS->OpenProtocol (Handle, &gEfiDevicePathProtocolGuid, &XenBusDevicePath,
- NULL, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-
- XenIo = NULL;
- gBS->OpenProtocol (Handle, &gXenIoProtocolGuid, &XenIo,
- NULL, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-
- Status = gBS->UninstallMultipleProtocolInterfaces (Handle,
- &gEfiDevicePathProtocolGuid, XenBusDevicePath,
- &gXenIoProtocolGuid, XenIo,
- NULL);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- FreePool (XenBusDevicePath);
- FreePool (XenIo);
-
- return EFI_SUCCESS;
-}
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