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Linux Training Lab Book PCI whatsis device device driver adjustment Objective: Get acquainted(predicate) with PCI device and driver registration subsequently this lab, you will be fitted to evince devices supported by a PCI driver depict a PCI driver Enable a PCI device and quest the I/O port and remembrance regions used by the device. Setup Go to the /home//felabs/linux/pci directory. found the qemu package if you dont have it provided: sudo apt­get inst each qemu wrap up a Linux 2.6.36 philia for x86 with the configuration file provided in the data/ subdirectory, and direction it through NFS on the nfsroot/ directory, using the supplied run_qemu script. We are going to utilization with the ens1370.c driver available in nfsroot/root/. Check that the be guide driver compiles and loads well. PCI questions Whats the IRQ line used by this sound recording card device? Find the trafficker and device ids for the card, and assert the supported device in the driver code. Find the IRQ snatch from userspace in your virtual system. Also ensure these ids from userspace.

PCI driver registration Register the pci driver, and see your new driver in /sys/bus/pci/drivers. number the calls to the pci_enable_device() and pci_disable_device() functions, and see a depicted object in the console confirming the IRQ assigned to your device. Reserve all the I/O ports for your device and see these reservations in /proc. © 2004-2010 gratis(p) Electrons, http://free-electrons.com Creative parkland License Linux Training Lab adjudge © 2004-2010 Free Electrons, http://free-electrons.c om Creative super C License If you ! motive to get a full essay, order it on our website: BestEssayCheap.com

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