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Message-Id: <20220810171512.2343333-2-eperezma@redhat.com> Date: Wed, 10 Aug 2022 19:15:09 +0200 From: Eugenio Pérez <eperezma@...hat.com> To: kvm@...r.kernel.org, "Michael S. Tsirkin" <mst@...hat.com>, linux-kernel@...r.kernel.org, Jason Wang <jasowang@...hat.com>, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org Cc: dinang@...inx.com, martinpo@...inx.com, Wu Zongyong <wuzongyong@...ux.alibaba.com>, Piotr.Uminski@...el.com, gautam.dawar@....com, ecree.xilinx@...il.com, martinh@...inx.com, Stefano Garzarella <sgarzare@...hat.com>, pabloc@...inx.com, habetsm.xilinx@...il.com, lvivier@...hat.com, Zhu Lingshan <lingshan.zhu@...el.com>, tanuj.kamde@....com, Longpeng <longpeng2@...wei.com>, lulu@...hat.com, hanand@...inx.com, Parav Pandit <parav@...dia.com>, Si-Wei Liu <si-wei.liu@...cle.com>, Eli Cohen <elic@...dia.com>, Xie Yongji <xieyongji@...edance.com>, Zhang Min <zhang.min9@....com.cn>, Dan Carpenter <dan.carpenter@...cle.com>, Christophe JAILLET <christophe.jaillet@...adoo.fr> Subject: [PATCH v7 1/4] vdpa: Add suspend operation This operation is optional: It it's not implemented, backend feature bit will not be exposed. Signed-off-by: Eugenio Pérez <eperezma@...hat.com> Message-Id: <20220623160738.632852-2-eperezma@...hat.com> Signed-off-by: Michael S. Tsirkin <mst@...hat.com> --- 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
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