[dpdk-dev] [PATCH 1/2] common/mlx5: add virtio queue protection domain

Matan Azrad matan at mellanox.com
Tue Jun 2 17:51:43 CEST 2020


Starting from FW version 22.27.4002, it is required to configure
protection domain (PD) for each virtq created by DevX.

Add PD requirement in virtq DevX APIs.

Cc: stable at dpdk.org

Signed-off-by: Matan Azrad <matan at mellanox.com>
Signed-off-by: Xueming Li <xuemingl at mellanox.com>
---
 drivers/common/mlx5/mlx5_devx_cmds.c | 1 +
 drivers/common/mlx5/mlx5_devx_cmds.h | 1 +
 drivers/common/mlx5/mlx5_prm.h       | 4 +++-
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c
index 4bf22ce..3b6a857 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -1262,6 +1262,7 @@ struct mlx5_devx_obj *
 	MLX5_SET(virtio_q, virtctx, umem_3_size, attr->umems[2].size);
 	MLX5_SET64(virtio_q, virtctx, umem_3_offset, attr->umems[2].offset);
 	MLX5_SET(virtio_q, virtctx, counter_set_id, attr->counters_obj_id);
+	MLX5_SET(virtio_q, virtctx, pd, attr->pd);
 	MLX5_SET(virtio_net_q, virtq, tisn_or_qpn, attr->tis_id);
 	virtq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
 						    sizeof(out));
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h
index 59a70a0..3ce44c3 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -259,6 +259,7 @@ struct mlx5_devx_virtq_attr {
 	uint16_t hw_available_index;
 	uint16_t hw_used_index;
 	uint16_t q_size;
+	uint32_t pd:24;
 	uint32_t virtio_version_1_0:1;
 	uint32_t tso_ipv4:1;
 	uint32_t tso_ipv6:1;
diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index 5fc10d6..c63795f 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -2088,7 +2088,9 @@ struct mlx5_ifc_virtio_q_bits {
 	u8 umem_3_size[0x20];
 	u8 umem_3_offset[0x40];
 	u8 counter_set_id[0x20];
-	u8 reserved_at_320[0xe0];
+	u8 reserved_at_320[0x8];
+	u8 pd[0x18];
+	u8 reserved_at_340[0xc0];
 };
 
 struct mlx5_ifc_virtio_net_q_bits {
-- 
1.8.3.1



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