From: "Eugenio Pérez" <eperezma@redhat.com>
To: kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>,
linux-kernel@vger.kernel.org, Jason Wang <jasowang@redhat.com>,
virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org
Cc: dinang@xilinx.com, martinpo@xilinx.com,
Wu Zongyong <wuzongyong@linux.alibaba.com>,
Piotr.Uminski@intel.com, gautam.dawar@amd.com,
ecree.xilinx@gmail.com, martinh@xilinx.com,
Stefano Garzarella <sgarzare@redhat.com>,
pabloc@xilinx.com, habetsm.xilinx@gmail.com, lvivier@redhat.com,
Zhu Lingshan <lingshan.zhu@intel.com>,
tanuj.kamde@amd.com, Longpeng <longpeng2@huawei.com>,
lulu@redhat.com, hanand@xilinx.com,
Parav Pandit <parav@nvidia.com>,
Si-Wei Liu <si-wei.liu@oracle.com>, Eli Cohen <elic@nvidia.com>,
Xie Yongji <xieyongji@bytedance.com>,
Zhang Min <zhang.min9@zte.com.cn>,
Dan Carpenter <dan.carpenter@oracle.com>,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: [PATCH v7 1/4] vdpa: Add suspend operation
Date: Wed, 10 Aug 2022 19:15:09 +0200 [thread overview]
Message-ID: <20220810171512.2343333-2-eperezma@redhat.com> (raw)
In-Reply-To: <20220810171512.2343333-1-eperezma@redhat.com>
This operation is optional: It it's not implemented, backend feature bit
will not be exposed.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20220623160738.632852-2-eperezma@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.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
next prev parent reply other threads:[~2022-08-10 17:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-10 17:15 [PATCH v7 0/4] Implement vdpasim suspend operation Eugenio Pérez
2022-08-10 17:15 ` Eugenio Pérez [this message]
2022-08-11 8:27 ` [PATCH v7 1/4] vdpa: Add " Michael S. Tsirkin
2022-08-11 10:15 ` Dan Carpenter
2022-08-11 11:23 ` Michael S. Tsirkin
2022-08-11 12:40 ` Dan Carpenter
2022-08-10 17:15 ` [PATCH v7 2/4] vhost-vdpa: introduce SUSPEND backend feature bit Eugenio Pérez
2022-08-10 17:15 ` [PATCH v7 3/4] vhost-vdpa: uAPI to suspend the device Eugenio Pérez
2022-08-11 8:29 ` Michael S. Tsirkin
2022-08-11 9:58 ` Eugenio Perez Martin
2022-08-10 17:15 ` [PATCH v7 4/4] vdpa_sim: Implement suspend vdpa op Eugenio Pérez
2022-08-10 19:19 ` [PATCH v7 0/4] Implement vdpasim suspend operation Michael S. Tsirkin
2022-08-11 5:35 ` Eugenio Perez Martin
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