From: Dragos Tatulea <dtatulea@nvidia.com>
To: "Jason Wang" <jasowang@redhat.com>,
"Eugenio Pérez" <eperezma@redhat.com>,
"Si-Wei Liu" <si-wei.liu@oracle.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
"Saeed Mahameed" <saeedm@nvidia.com>,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Cc: Dragos Tatulea <dtatulea@nvidia.com>,
Parav Pandit <parav@nvidia.com>,
Xuan Zhuo <xuanzhuo@linux.alibaba.com>, <kvm@vger.kernel.org>
Subject: [PATCH 04/16] vdpa/mlx5: Create helper function for dma mappings
Date: Tue, 12 Sep 2023 16:01:14 +0300 [thread overview]
Message-ID: <20230912130132.561193-5-dtatulea@nvidia.com> (raw)
In-Reply-To: <20230912130132.561193-1-dtatulea@nvidia.com>
Necessary for upcoming cvq separation from mr allocation.
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
---
drivers/vdpa/mlx5/core/mlx5_vdpa.h | 1 +
drivers/vdpa/mlx5/core/mr.c | 5 +++++
drivers/vdpa/mlx5/net/mlx5_vnet.c | 4 ++--
3 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/vdpa/mlx5/core/mlx5_vdpa.h b/drivers/vdpa/mlx5/core/mlx5_vdpa.h
index ca56242972b3..3748f027cfe9 100644
--- a/drivers/vdpa/mlx5/core/mlx5_vdpa.h
+++ b/drivers/vdpa/mlx5/core/mlx5_vdpa.h
@@ -120,6 +120,7 @@ int mlx5_vdpa_create_mr(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb,
unsigned int asid);
void mlx5_vdpa_destroy_mr(struct mlx5_vdpa_dev *mvdev);
void mlx5_vdpa_destroy_mr_asid(struct mlx5_vdpa_dev *mvdev, unsigned int asid);
+int mlx5_vdpa_create_dma_mr(struct mlx5_vdpa_dev *mvdev);
#define mlx5_vdpa_warn(__dev, format, ...) \
dev_warn((__dev)->mdev->device, "%s:%d:(pid %d) warning: " format, __func__, __LINE__, \
diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c
index 5a1971fcd87b..7bd0883b8b25 100644
--- a/drivers/vdpa/mlx5/core/mr.c
+++ b/drivers/vdpa/mlx5/core/mr.c
@@ -619,3 +619,8 @@ int mlx5_vdpa_handle_set_map(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *io
return err;
}
+
+int mlx5_vdpa_create_dma_mr(struct mlx5_vdpa_dev *mvdev)
+{
+ return mlx5_vdpa_create_mr(mvdev, NULL, 0);
+}
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 37be945a0230..d34c19b4e139 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -2836,7 +2836,7 @@ static int mlx5_vdpa_reset(struct vdpa_device *vdev)
++mvdev->generation;
if (MLX5_CAP_GEN(mvdev->mdev, umem_uid_0)) {
- if (mlx5_vdpa_create_mr(mvdev, NULL, 0))
+ if (mlx5_vdpa_create_dma_mr(mvdev))
mlx5_vdpa_warn(mvdev, "create MR failed\n");
}
up_write(&ndev->reslock);
@@ -3441,7 +3441,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name,
goto err_mpfs;
if (MLX5_CAP_GEN(mvdev->mdev, umem_uid_0)) {
- err = mlx5_vdpa_create_mr(mvdev, NULL, 0);
+ err = mlx5_vdpa_create_dma_mr(mvdev);
if (err)
goto err_res;
}
--
2.41.0
next prev parent reply other threads:[~2023-09-12 13:02 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-12 13:01 [PATCH 00/16] vdpa: Add support for vq descriptor mappings Dragos Tatulea
2023-09-12 13:01 ` [PATCH 01/16] vdpa: introduce dedicated descriptor group for virtqueue Dragos Tatulea
2023-09-12 13:01 ` [PATCH 02/16] vhost-vdpa: introduce descriptor group backend feature Dragos Tatulea
2023-09-12 13:01 ` [PATCH 03/16] vhost-vdpa: uAPI to get dedicated descriptor group id Dragos Tatulea
2023-09-12 13:01 ` Dragos Tatulea [this message]
2023-09-26 3:11 ` [PATCH 04/16] vdpa/mlx5: Create helper function for dma mappings Jason Wang
2023-09-12 13:01 ` [PATCH 05/16] vdpa/mlx5: Decouple cvq iotlb handling from hw mapping code Dragos Tatulea
2023-09-26 3:28 ` Jason Wang
2023-09-12 13:01 ` [PATCH 06/16] vdpa/mlx5: Take cvq iotlb lock during refresh Dragos Tatulea
2023-09-26 3:33 ` Jason Wang
2023-09-12 13:01 ` [PATCH 07/16] vdpa/mlx5: Collapse "dvq" mr add/delete functions Dragos Tatulea
2023-09-26 3:33 ` Jason Wang
2023-09-12 13:01 ` [PATCH 08/16] vdpa/mlx5: Rename mr destroy functions Dragos Tatulea
2023-09-26 3:34 ` Jason Wang
2023-09-12 13:01 ` [PATCH 09/16] vdpa/mlx5: Allow creation/deletion of any given mr struct Dragos Tatulea
2023-09-26 4:44 ` Jason Wang
2023-09-26 7:21 ` Dragos Tatulea
2023-10-08 4:25 ` Jason Wang
2023-10-08 12:04 ` Dragos Tatulea
2023-10-09 6:39 ` Jason Wang
2023-10-09 7:06 ` Dragos Tatulea
2023-09-12 13:01 ` [PATCH 10/16] vdpa/mlx5: Move mr mutex out of " Dragos Tatulea
2023-09-12 13:01 ` [PATCH 11/16] vdpa/mlx5: Improve mr update flow Dragos Tatulea
2023-09-12 13:01 ` [PATCH 12/16] vdpa/mlx5: Introduce mr for vq descriptor Dragos Tatulea
2023-09-12 13:01 ` [PATCH 13/16] vdpa/mlx5: Enable hw support for vq descriptor mapping Dragos Tatulea
2023-09-12 13:01 ` [PATCH 14/16] vdpa/mlx5: Make iotlb helper functions more generic Dragos Tatulea
2023-09-12 13:01 ` [PATCH 15/16] vdpa/mlx5: Update cvq iotlb mapping on ASID change Dragos Tatulea
2023-09-13 1:03 ` [PATCH 00/16] vdpa: Add support for vq descriptor mappings Lei Yang
2023-09-13 16:08 ` Eugenio Perez Martin
2023-09-15 6:34 ` Si-Wei Liu
2023-09-20 1:14 ` Lei Yang
2023-09-25 7:59 ` Dragos Tatulea
2023-09-26 12:22 ` Si-Wei Liu
2023-09-26 12:37 ` Dragos Tatulea
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