diff options
Diffstat (limited to 'MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c')
| -rw-r--r-- | MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c | 35 |
1 files changed, 13 insertions, 22 deletions
diff --git a/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c b/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c index a3c4186eaa35..b9a0a8252bd4 100644 --- a/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c +++ b/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c @@ -1,20 +1,11 @@ /** @file PCI Library using PCI Root Bridge I/O Protocol. - Copyright (c) 2007 - 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. + Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent **/ -#include <PiDxe.h> - #include <Protocol/PciRootBridgeIo.h> #include <Library/PciLib.h> @@ -46,17 +37,17 @@ // // Global varible to cache pointer to PCI Root Bridge I/O protocol. // -EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *mPciRootBridgeIo = NULL; +EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *mPciRootBridgeIo = NULL; /** The constructor function caches the pointer to PCI Root Bridge I/O protocol. - + The constructor function locates PCI Root Bridge I/O protocol from protocol database. - It will ASSERT() if that operation fails and it will always return EFI_SUCCESS. + It will ASSERT() if that operation fails and it will always return EFI_SUCCESS. @param ImageHandle The firmware allocated handle for the EFI image. @param SystemTable A pointer to the EFI System Table. - + @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS. **/ @@ -68,7 +59,7 @@ PciLibConstructor ( ) { EFI_STATUS Status; - + Status = gBS->LocateProtocol (&gEfiPciRootBridgeIoProtocolGuid, NULL, (VOID**) &mPciRootBridgeIo); ASSERT_EFI_ERROR (Status); ASSERT (mPciRootBridgeIo != NULL); @@ -143,19 +134,19 @@ DxePciLibPciRootBridgeIoWriteWorker ( } /** - Registers a PCI device so PCI configuration registers may be accessed after + Registers a PCI device so PCI configuration registers may be accessed after SetVirtualAddressMap(). - - Registers the PCI device specified by Address so all the PCI configuration registers + + Registers the PCI device specified by Address so all the PCI configuration registers associated with that PCI device may be accessed after SetVirtualAddressMap() is called. - + If Address > 0x0FFFFFFF, then ASSERT(). @param Address The address that encodes the PCI Bus, Device, Function and Register. - + @retval RETURN_SUCCESS The PCI device was registered for runtime access. - @retval RETURN_UNSUPPORTED An attempt was made to call this function + @retval RETURN_UNSUPPORTED An attempt was made to call this function after ExitBootServices(). @retval RETURN_UNSUPPORTED The resources required to access the PCI device at runtime could not be mapped. |