Implement the file ops of the DEVX async command FD, this enables using
the FD for reading the events and manage other options on the FD.
Signed-off-by: NYishai Hadas <yishaih@mellanox.com>
Signed-off-by: NLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>