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Message-ID: <20240708-stage-vdpa-vq-precreate-v3-19-afe3c766e393@nvidia.com>
Date: Mon, 8 Jul 2024 15:00:43 +0300
From: Dragos Tatulea <dtatulea@...dia.com>
To: "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>,
Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, Eugenio Pérez
<eperezma@...hat.com>, Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky
<leon@...nel.org>, Tariq Toukan <tariqt@...dia.com>, Si-Wei Liu
<si-wei.liu@...cle.com>
CC: <virtualization@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
<linux-rdma@...r.kernel.org>, <netdev@...r.kernel.org>, Cosmin Ratiu
<cratiu@...dia.com>, Zhu Yanjun <yanjun.zhu@...ux.dev>, Dragos Tatulea
<dtatulea@...dia.com>
Subject: [PATCH vhost v3 19/24] vdpa/mlx5: Forward error in suspend/resume
device
Start using the suspend/resume_vq() error return codes previously added.
Reviewed-by: Cosmin Ratiu <cratiu@...dia.com>
Reviewed-by: Zhu Yanjun <yanjun.zhu@...ux.dev>
Reviewed-by: Eugenio Pérez <eperezma@...hat.com>
Signed-off-by: Dragos Tatulea <dtatulea@...dia.com>
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index e65d488f7a08..ce1f6a1f36cd 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -3436,22 +3436,25 @@ static int mlx5_vdpa_suspend(struct vdpa_device *vdev)
{
struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev);
struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev);
+ int err;
mlx5_vdpa_info(mvdev, "suspending device\n");
down_write(&ndev->reslock);
unregister_link_notifier(ndev);
- suspend_vqs(ndev);
+ err = suspend_vqs(ndev);
mlx5_vdpa_cvq_suspend(mvdev);
mvdev->suspended = true;
up_write(&ndev->reslock);
- return 0;
+
+ return err;
}
static int mlx5_vdpa_resume(struct vdpa_device *vdev)
{
struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev);
struct mlx5_vdpa_net *ndev;
+ int err;
ndev = to_mlx5_vdpa_ndev(mvdev);
@@ -3459,10 +3462,11 @@ static int mlx5_vdpa_resume(struct vdpa_device *vdev)
down_write(&ndev->reslock);
mvdev->suspended = false;
- resume_vqs(ndev);
+ err = resume_vqs(ndev);
register_link_notifier(ndev);
up_write(&ndev->reslock);
- return 0;
+
+ return err;
}
static int mlx5_set_group_asid(struct vdpa_device *vdev, u32 group,
--
2.45.2
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