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SubjectRe: [PATCH v3 4/7] xen/pciback: Implement PCI reset slot or bus with 'do_flr' SysFS attribute
On 08/07/14 19:58, wrote:
> --- a/Documentation/ABI/testing/sysfs-driver-pciback
> +++ b/Documentation/ABI/testing/sysfs-driver-pciback
> @@ -82,3 +82,14 @@ Description:
> device is shared, enabled, or on a level interrupt line.
> Writing a string of DDDD:BB:DD.F will toggle the state.
> This is Domain:Bus:Device.Function where domain is optional.
> +
> +What: /sys/bus/pci/drivers/pciback/do_flr
> +Date: July 2014
> +KernelVersion: 3.16
> +Contact:
> +Description:
> + An option to slot or bus reset an PCI device owned by
> + Xen PCI backend. Writing a string of DDDD:BB:DD.F will cause
> + the driver to perform an slot or bus reset if the device
> + supports. It also checks to make sure that all of the devices
> + under the bridge are owned by Xen PCI backend.

Not sure I like this new interface. I solved this by adding a new reset
file that looked like the regular one the pci would have if it supported
FLR. I'm fairly sure I posted a series for this. Was there a reason
you didn't do this?


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