Add tests for io_uring_setup, io_uring_register and io_uring_enter.
The test coverage is nowhere near complete and the reporting is not
uniform. But, it's a start.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
min_complete means slightly different things depending on how the ring
was setup.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring_queue_init does not allow the caller to specify sq_thread_cpu
or sq_thread_idle. Users that want to specify those parameters need to
call io_uring_setup(2) themselves. Add a helper so that they don't also
have to hand-craft the code to map the submission and completion queues,
and setup the sqe ring. This allows those applications to still make
use of io_uring_submit and get/wait_completion.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Initial man page for io_uring_setup. Content was taken from the kernel
commit logs and from an LWN article written by Jon Corbet.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The man page suggests that IOSQE_FIXED_FILE must be specified for all
sqes when the io_uring instance has files registered. This is not
the case, so clear that up.
Also fix a typo (few->new) while we're in there.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This also includes a couple of whitespace cleanups. Most man pages
don't leave spaces between directives.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Initial content was taken from the kernel commits (Jens Axboe).
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
