linux 2.6内核下的一款支持链式DMA的PCI-E接口设备的驱动源程序，该驱动采用MSI中断模式。本程序可供下载者了解基于MSI模式的PCI/PCI-E设备的驱动整体架构。-linux 2.6 kernel under a support chain DMA' s PCI-E interface device driver source, the driver uses MSI interrupt mode. This program is available for downloa