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Tsirkin" To: Eugenio =?iso-8859-1?Q?P=E9rez?= Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Jason Wang , virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, dinang@xilinx.com, martinpo@xilinx.com, Wu Zongyong , Piotr.Uminski@intel.com, gautam.dawar@amd.com, ecree.xilinx@gmail.com, martinh@xilinx.com, Stefano Garzarella , pabloc@xilinx.com, habetsm.xilinx@gmail.com, lvivier@redhat.com, Zhu Lingshan , tanuj.kamde@amd.com, Longpeng , lulu@redhat.com, hanand@xilinx.com, Parav Pandit , Si-Wei Liu , Eli Cohen , Xie Yongji , Zhang Min , Dan Carpenter , Christophe JAILLET Subject: Re: [PATCH v7 1/4] vdpa: Add suspend operation Message-ID: <20220811042717-mutt-send-email-mst@kernel.org> References: <20220810171512.2343333-1-eperezma@redhat.com> <20220810171512.2343333-2-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220810171512.2343333-2-eperezma@redhat.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, Aug 10, 2022 at 07:15:09PM +0200, Eugenio Pérez wrote: > This operation is optional: It it's not implemented, backend feature bit > will not be exposed. > > Signed-off-by: Eugenio Pérez > Message-Id: <20220623160738.632852-2-eperezma@redhat.com> > Signed-off-by: Michael S. Tsirkin What is this message id doing here? > --- > include/linux/vdpa.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h > index 7b4a13d3bd91..d282f464d2f1 100644 > --- a/include/linux/vdpa.h > +++ b/include/linux/vdpa.h > @@ -218,6 +218,9 @@ struct vdpa_map_file { > * @reset: Reset device > * @vdev: vdpa device > * Returns integer: success (0) or error (< 0) > + * @suspend: Suspend or resume the device (optional) > + * @vdev: vdpa device > + * Returns integer: success (0) or error (< 0) > * @get_config_size: Get the size of the configuration space includes > * fields that are conditional on feature bits. > * @vdev: vdpa device > @@ -319,6 +322,7 @@ struct vdpa_config_ops { > u8 (*get_status)(struct vdpa_device *vdev); > void (*set_status)(struct vdpa_device *vdev, u8 status); > int (*reset)(struct vdpa_device *vdev); > + int (*suspend)(struct vdpa_device *vdev); > size_t (*get_config_size)(struct vdpa_device *vdev); > void (*get_config)(struct vdpa_device *vdev, unsigned int offset, > void *buf, unsigned int len); > -- > 2.31.1