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Some devices support both symmetric (same value for all PFs) and asymmetric, while others only support symmetric configuration. This implementation prefers asymmetric, since it is closer to the devlink model (per function settings), but falls back to symmetric when needed. Example usage: devlink dev param set pci/0000:01:00.0 name total_vfs value <u16> cmode permanent devlink dev reload pci/0000:01:00.0 action fw_activate echo 1 >/sys/bus/pci/devices/0000:01:00.0/remove echo 1 >/sys/bus/pci/rescan cat /sys/bus/pci/devices/0000:01:00.0/sriov_totalvfs Signed-off-by: Vlad Dumitrescu <vdumitrescu@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Tested-by: Kamal Heib <kheib@redhat.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250907012953.301746-5-saeed@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.