mirror of
https://github.com/torvalds/linux
synced 2024-07-22 11:10:46 +00:00
3c28a76124
and replace kref. With it a 'vfio-dev/vfioX' node is created under the sysfs path of the parent, indicating the device is bound to a vfio driver, e.g.: /sys/devices/pci0000\:6f/0000\:6f\:01.0/vfio-dev/vfio0 It is also a preparatory step toward adding cdev for supporting future device-oriented uAPI. Add Documentation/ABI/testing/sysfs-devices-vfio-dev. Suggested-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/20220921104401.38898-16-kevin.tian@intel.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
9 lines
332 B
Plaintext
9 lines
332 B
Plaintext
What: /sys/.../<device>/vfio-dev/vfioX/
|
|
Date: September 2022
|
|
Contact: Yi Liu <yi.l.liu@intel.com>
|
|
Description:
|
|
This directory is created when the device is bound to a
|
|
vfio driver. The layout under this directory matches what
|
|
exists for a standard 'struct device'. 'X' is a unique
|
|
index marking this device in vfio.
|