On 08/07/14 19:58, kon...@kernel.org wrote: > From: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> > > Which hadn't been done with the initial commit. [...] > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-driver-pciback > @@ -0,0 +1,84 @@ > +What: /sys//module/xen_pciback/parameters/verbose_request
It's my understanding that module parameters are not typically part of the ABI. > +What: /sys/module/xen_pciback/parameters/permissive > +Date: Oct 2011 > +KernelVersion: 3.1 > +Contact: xen-de...@lists.xenproject.org > +Description: > + Allow non-emulated (raw) access to PCI configuration space by > + the guest frontend. This can have adverse affect as the guest > + can destabilize the initial domain. WTF? Why does it even have such an unsafe option? > +What: /sys/bus/pci/drivers/pciback/irq_handlers > +Date: Oct 2011 > +KernelVersion: 3.1 > +Contact: xen-de...@lists.xenproject.org > +Description: > + A list of all of the PCI devices owned by Xen PCI back and > + whether Xen PCI backend will acknowledge the interrupts > received > + and the amount of interrupts received. Xen PCI back > acknowledges > + said interrupts only when they are level, shared with another > + guest, and enabled by the guest. This should be a device property or something in debugfs. > +What: /sys/bus/pci/drivers/pciback/irq_handler_state > +Date: Oct 2011 > +KernelVersion: 3.1 > +Contact: xen-de...@lists.xenproject.org > +Description: > + An option to toggle Xen PCI back to acknowledge (or stop) > + interrupts for the specific device regardless of whether the > + 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. I do not understand under what circumstances this should be used in. David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/