On 17/06/2020 18.06, Christian Borntraeger wrote:
> device_del requires an id and not a sysfsfile.
>
> Signed-off-by: Christian Borntraeger <[email protected]>
> ---
> docs/system/s390x/vfio-ap.rst | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/docs/system/s390x/vfio-ap.rst b/docs/system/s390x/vfio-ap.rst
> index 3cd84179a2df..f441df69edde 100644
> --- a/docs/system/s390x/vfio-ap.rst
> +++ b/docs/system/s390x/vfio-ap.rst
> @@ -606,10 +606,11 @@ action.
>
> To hot plug a vfio-ap device, use the QEMU ``device_add`` command::
>
> - (qemu) device_add vfio-ap,sysfsdev="$path-to-mdev"
> + (qemu) device_add vfio-ap,sysfsdev="$path-to-mdev",id="$id"
>
> Where the ``$path-to-mdev`` value specifies the absolute path to a mediated
> device to which AP resources to be used by the guest have been assigned.
> +``$id`` is the name value for the optional id parameter.
>
> Note that on Linux guests, the AP devices will be created in the
> ``/sys/bus/ap/devices`` directory when the AP bus subsequently performs its
> periodic
> @@ -632,10 +633,9 @@ or a prior hot plug action.
>
> To hot unplug a vfio-ap device, use the QEMU ``device_del`` command::
>
> - (qemu) device_del vfio-ap,sysfsdev="$path-to-mdev"
> + (qemu) device_del "id"
Do you want to use $id instead of id here?
>
> -Where ``$path-to-mdev`` is the same as the path specified when the vfio-ap
> -device was attached to the virtual machine's ap-bus.
> +Where ``$id`` is the same id that was specified at device creation.
^--- ... since you use $id here.
> On a Linux guest, the AP devices will be removed from the
> ``/sys/bus/ap/devices``
> directory on the guest when the AP bus subsequently performs its periodic
> scan,
With the 1 $ question fixed:
Reviewed-by: Thomas Huth <[email protected]>