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| author |   Mark Bloch <mbloch@nvidia.com> | 2021-04-18 13:59:21 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-04-20 17:00:18 -0300 |
| commit | 9a89d3ad6d39cbdc9de47f776fc7f7e4b1145c70 (patch) | |
| tree | ed374f2b3c95648e6043b0e23ab7506a105c40d3 /include | |
| parent | RDMA/mlx4: Remove an unused variable (diff) | |
| download | linux-dev-9a89d3ad6d39cbdc9de47f776fc7f7e4b1145c70.tar.xz linux-dev-9a89d3ad6d39cbdc9de47f776fc7f7e4b1145c70.zip | |
RDMA/mlx5: Expose private query port
Expose a non standard query port via IOCTL that will be used to expose
port attributes that are specific to mlx5 devices.
The new interface receives a port number to query and returns a structure
that contains the available attributes for that port. This will be used
to fill the gap between pure DEVX use cases and use cases where a kernel
needs to inform userspace about various kernel driver configurations that
userspace must use in order to work correctly.
Flags is used to indicate which fields are valid on return.
MLX5_IB_UAPI_QUERY_PORT_VPORT:
The vport number of the queered port.
MLX5_IB_UAPI_QUERY_PORT_VPORT_VHCA_ID:
The VHCA ID of the vport of the queered port.
MLX5_IB_UAPI_QUERY_PORT_VPORT_STEERING_ICM_RX:
The vport's RX ICM address used for sw steering.
MLX5_IB_UAPI_QUERY_PORT_VPORT_STEERING_ICM_TX:
The vport's TX ICM address used for sw steering.
MLX5_IB_UAPI_QUERY_PORT_VPORT_REG_C0:
The metadata used to tag egress packets of the vport.
MLX5_IB_UAPI_QUERY_PORT_ESW_OWNER_VHCA_ID:
The E-Switch owner vhca id of the vport.
Link: https://lore.kernel.org/r/6e2ef13e5a266a6c037eb0105eb1564c7bb52f23.1618743394.git.leonro@nvidia.com
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/rdma/mlx5_user_ioctl_cmds.h | 9 | ||||
| -rw-r--r-- | include/uapi/rdma/mlx5_user_ioctl_verbs.h | 25 |
2 files changed, 34 insertions, 0 deletions
diff --git a/include/uapi/rdma/mlx5_user_ioctl_cmds.h b/include/uapi/rdma/mlx5_user_ioctl_cmds.h index 3798cbcb9021..ca2372864b70 100644 --- a/include/uapi/rdma/mlx5_user_ioctl_cmds.h +++ b/include/uapi/rdma/mlx5_user_ioctl_cmds.h @@ -320,4 +320,13 @@ enum mlx5_ib_pd_methods { }; +enum mlx5_ib_device_methods { + MLX5_IB_METHOD_QUERY_PORT = (1U << UVERBS_ID_NS_SHIFT), +}; + +enum mlx5_ib_query_port_attrs { + MLX5_IB_ATTR_QUERY_PORT_PORT_NUM = (1U << UVERBS_ID_NS_SHIFT), + MLX5_IB_ATTR_QUERY_PORT, +}; + #endif diff --git a/include/uapi/rdma/mlx5_user_ioctl_verbs.h b/include/uapi/rdma/mlx5_user_ioctl_verbs.h index 56b26eaea083..a21ca8ece8db 100644 --- a/include/uapi/rdma/mlx5_user_ioctl_verbs.h +++ b/include/uapi/rdma/mlx5_user_ioctl_verbs.h @@ -83,5 +83,30 @@ enum mlx5_ib_uapi_uar_alloc_type { MLX5_IB_UAPI_UAR_ALLOC_TYPE_NC = 0x1, }; +enum mlx5_ib_uapi_query_port_flags { + MLX5_IB_UAPI_QUERY_PORT_VPORT = 1 << 0, + MLX5_IB_UAPI_QUERY_PORT_VPORT_VHCA_ID = 1 << 1, + MLX5_IB_UAPI_QUERY_PORT_VPORT_STEERING_ICM_RX = 1 << 2, + MLX5_IB_UAPI_QUERY_PORT_VPORT_STEERING_ICM_TX = 1 << 3, + MLX5_IB_UAPI_QUERY_PORT_VPORT_REG_C0 = 1 << 4, + MLX5_IB_UAPI_QUERY_PORT_ESW_OWNER_VHCA_ID = 1 << 5, +}; + +struct mlx5_ib_uapi_reg { + __u32 value; + __u32 mask; +}; + +struct mlx5_ib_uapi_query_port { + __aligned_u64 flags; + __u16 vport; + __u16 vport_vhca_id; + __u16 esw_owner_vhca_id; + __u16 rsvd0; + __aligned_u64 vport_steering_icm_rx; + __aligned_u64 vport_steering_icm_tx; + struct mlx5_ib_uapi_reg reg_c0; +}; + #endif |