diff options
Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PciCf8Lib.h')
-rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PciCf8Lib.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PciCf8Lib.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PciCf8Lib.h index d77f406ebd..9f3795076a 100644 --- a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PciCf8Lib.h +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PciCf8Lib.h @@ -1,8 +1,8 @@ /** @file Provides services to access PCI Configuration Space using the I/O ports 0xCF8 and 0xCFC. - - This library is identical to the PCI Library, except the access method for performing PCI - configuration cycles must be through I/O ports 0xCF8 and 0xCFC. This library only allows + + This library is identical to the PCI Library, except the access method for performing PCI + configuration cycles must be through I/O ports 0xCF8 and 0xCFC. This library only allows access to PCI Segment #0. Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR> @@ -40,20 +40,20 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. (((Offset) & 0xfff) | (((Function) & 0x07) << 12) | (((Device) & 0x1f) << 15) | (((Bus) & 0xff) << 20)) /** - 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(). If the register specified by Address >= 0x100, then ASSERT(). @param Address 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. |