tthread@mcu:~/vcs/pcie_driver$ lspci -vvv
|grep DMA
00:04.0 System peripheral: Intel Corporation Sandy Bridge DMA Channel
0 (rev 07)
        Subsystem: Intel Corporation Sandy Bridge DMA Channel 0
00:04.1 System peripheral: Intel Corporation Sandy Bridge DMA Channel
1 (rev 07)
        Subsystem: Intel Corporation Sandy Bridge DMA Channel 1
00:04.2 System peripheral: Intel Corporation Sandy Bridge DMA Channel
2 (rev 07)
        Subsystem: Intel Corporation Sandy Bridge DMA Channel 2
00:04.3 System peripheral: Intel Corporation Sandy Bridge DMA Channel
3 (rev 07)
        Subsystem: Intel Corporation Sandy Bridge DMA Channel 3
00:04.4 System peripheral: Intel Corporation Sandy Bridge DMA Channel
4 (rev 07)
        Subsystem: Intel Corporation Sandy Bridge DMA Channel 4
00:04.5 System peripheral: Intel Corporation Sandy Bridge DMA Channel
5 (rev 07)
        Subsystem: Intel Corporation Sandy Bridge DMA Channel 5
00:04.6 System peripheral: Intel Corporation Sandy Bridge DMA Channel
6 (rev 07)
        Subsystem: Intel Corporation Sandy Bridge DMA Channel 6
00:04.7 System peripheral: Intel Corporation Sandy Bridge DMA Channel
7 (rev 07)
        Subsystem: Intel Corporation Sandy Bridge DMA Channel 7