linux

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Juergen Gross b057878b2a xen/pciback: support driver_override

Support the driver_override scheme introduced with commit 782a985d7af2
("PCI: Introduce new device binding path using pci_dev.driver_override")

As pcistub_probe() is called for all devices (it has to check for a
match based on the slot address rather than device type) it has to
check for driver_override set to "pciback" itself.

Up to now for assigning a pci device to pciback you need something like:

echo 0000:07:10.0 > /sys/bus/pci/devices/0000\:07\:10.0/driver/unbind
echo 0000:07:10.0 > /sys/bus/pci/drivers/pciback/new_slot
echo 0000:07:10.0 > /sys/bus/pci/drivers_probe

while with the patch you can use the same mechanism as for similar
drivers like pci-stub and vfio-pci:

echo pciback > /sys/bus/pci/devices/0000\:07\:10.0/driver_override
echo 0000:07:10.0 > /sys/bus/pci/devices/0000\:07\:10.0/driver/unbind
echo 0000:07:10.0 > /sys/bus/pci/drivers_probe

So e.g. libvirt doesn't need special handling for pciback.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>

2016-09-30 11:49:02 +01:00

conf_space_capability.c

xen/pciback: Drop two backends, squash and cleanup some code.

2011-07-19 20:58:35 -04:00

conf_space_header.c

xen-pciback: use const and unsigned in bar_init()

2016-07-06 10:35:38 +01:00

conf_space_quirks.c

xen/pciback: miscellaneous adjustments

2011-09-21 18:17:59 -04:00

conf_space_quirks.h

xen/pciback: Drop two backends, squash and cleanup some code.