On Sun, 1 Sep 2019 23:24:34 -0500 Parav Pandit <parav@xxxxxxxxxxxx> wrote: > Expose the optional alias for an mdev device as a sysfs attribute. > This way, userspace tools such as udev may make use of the alias, for > example to create a netdevice name for the mdev. > > Updated documentation for optional read only sysfs attribute. > > Signed-off-by: Parav Pandit <parav@xxxxxxxxxxxx> > > --- > Changelog: > v2->v3: > - Merged sysfs documentation patch with sysfs addition > - Added more description for alias return value > v0->v1: > - Addressed comments from Cornelia Huck > - Updated commit description > --- > Documentation/driver-api/vfio-mediated-device.rst | 9 +++++++++ > drivers/vfio/mdev/mdev_sysfs.c | 13 +++++++++++++ > 2 files changed, 22 insertions(+) > (...) > @@ -281,6 +282,14 @@ Example:: > > # echo 1 > /sys/bus/mdev/devices/$mdev_UUID/remove > > +* alias (read only, optional) > +Whenever a parent requested to generate an alias, each mdev device of such s/such/that/ > +parent is assigned unique alias by the mdev core. s/unique alias/a unique alias/ > +This file shows the alias of the mdev device. > + > +Reading file either returns valid alias when assigned or returns error code s/file/this file/ s/valid alias/a valid alias/ s/error code/the error code/ > +-EOPNOTSUPP when unsupported. > + > Mediated device Hot plug > ------------------------ With the nits above fixed, Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>