On Thu, 11 Jul 2019 10:28:55 -0400
Farhan Ali <alifm@xxxxxxxxxxxxx> wrote:
> We now support CLEAR SUBCHANNEL and HALT SUBCHANNEL
> via ccw_cmd_region.
>
> Fixes: d5afd5d135c8 ("vfio-ccw: add handling for async channel instructions")
> Signed-off-by: Farhan Ali <alifm@xxxxxxxxxxxxx>
> ---
> Documentation/s390/vfio-ccw.rst | 31 ++++++++++++++++++++++++++++---
> 1 file changed, 28 insertions(+), 3 deletions(-)
(...)
> +vfio-ccw cmd region
> +-------------------
> +
> +The vfio-ccw cmd region is used to accept asynchronous instructions
> +from userspace.
> +
Add :: and indent the structure so that we get proper formatting?
(Sorry about not noticing this last time; but I can add it while
applying if there are no other comments.)
> +#define VFIO_CCW_ASYNC_CMD_HSCH (1 << 0)
> +#define VFIO_CCW_ASYNC_CMD_CSCH (1 << 1)
> +struct ccw_cmd_region {
> + __u32 command;
> + __u32 ret_code;
> +} __packed;
> +
> +This region is exposed via region type VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD.
> +
> +Currently, CLEAR SUBCHANNEL and HALT SUBCHANNEL use this region.
> +
Otherwise,
Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
