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- What: /sys/bus/pci/drivers/pciback/quirks
- Date: Oct 2011
- KernelVersion: 3.1
- Contact: xen-devel@lists.xenproject.org
- Description:
- If the permissive attribute is set, then writing a string in
- the format of DDDD:BB:DD.F-REG:SIZE:MASK will allow the guest
- to write and read from the PCI device. That is Domain:Bus:
- Device.Function-Register:Size:Mask (Domain is optional).
- For example:
- #echo 00:19.0-E0:2:FF > /sys/bus/pci/drivers/pciback/quirks
- will allow the guest to read and write to the configuration
- register 0x0E.
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