PCIe的总线简介，方便做PCIe硬件的人阅读使用-About PCIe bus, convenient to do PCIe hardware read

Copyright 2014 Jonas Berg # # Licensed under the Apache License, Version 2.0 (the License ) # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/L