Re: [PATCH rdma-next] RDMA/mad: Delete duplicated init_query_mad functions

From: Haakon Bugge
Date: Wed Jan 05 2022 - 09:09:33 EST




> On 5 Jan 2022, at 09:04, Leon Romanovsky <leon@xxxxxxxxxx> wrote:
>
> From: Leon Romanovsky <leonro@xxxxxxxxxx>
>
> Several drivers used same function to initialize query MAD,
> so move that function to global header file.
>
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>

LGTM,

Reviewed-by: Håkon Bugge <haakon.bugge@xxxxxxxxxx>


Thxs, Håkon

> ---
> drivers/infiniband/hw/mlx4/main.c | 24 +++++++-------------
> drivers/infiniband/hw/mlx5/mad.c | 18 +++++++--------
> drivers/infiniband/hw/mlx5/mlx5_ib.h | 8 -------
> drivers/infiniband/hw/mthca/mthca_provider.c | 20 +++++-----------
> include/rdma/ib_smi.h | 12 +++++++++-
> 5 files changed, 34 insertions(+), 48 deletions(-)
>
> diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
> index d66ce7694bbe..1c3d97229988 100644
> --- a/drivers/infiniband/hw/mlx4/main.c
> +++ b/drivers/infiniband/hw/mlx4/main.c
> @@ -85,14 +85,6 @@ static enum rdma_link_layer mlx4_ib_port_link_layer(struct ib_device *device,
>
> static struct workqueue_struct *wq;
>
> -static void init_query_mad(struct ib_smp *mad)
> -{
> - mad->base_version = 1;
> - mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
> - mad->class_version = 1;
> - mad->method = IB_MGMT_METHOD_GET;
> -}
> -
> static int check_flow_steering_support(struct mlx4_dev *dev)
> {
> int eth_num_ports = 0;
> @@ -471,7 +463,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
>
> err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS,
> @@ -669,7 +661,7 @@ static int ib_link_query_port(struct ib_device *ibdev, u32 port,
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
> in_mad->attr_mod = cpu_to_be32(port);
>
> @@ -721,7 +713,7 @@ static int ib_link_query_port(struct ib_device *ibdev, u32 port,
>
> /* If reported active speed is QDR, check if is FDR-10 */
> if (props->active_speed == IB_SPEED_QDR) {
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO;
> in_mad->attr_mod = cpu_to_be32(port);
>
> @@ -848,7 +840,7 @@ int __mlx4_ib_query_gid(struct ib_device *ibdev, u32 port, int index,
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
> in_mad->attr_mod = cpu_to_be32(port);
>
> @@ -870,7 +862,7 @@ int __mlx4_ib_query_gid(struct ib_device *ibdev, u32 port, int index,
> }
> }
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_GUID_INFO;
> in_mad->attr_mod = cpu_to_be32(index / 8);
>
> @@ -917,7 +909,7 @@ static int mlx4_ib_query_sl2vl(struct ib_device *ibdev, u32 port,
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_SL_TO_VL_TABLE;
> in_mad->attr_mod = 0;
>
> @@ -971,7 +963,7 @@ int __mlx4_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index,
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE;
> in_mad->attr_mod = cpu_to_be32(index / 32);
>
> @@ -1990,7 +1982,7 @@ static int init_node_data(struct mlx4_ib_dev *dev)
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
> if (mlx4_is_master(dev->dev))
> mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
> diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
> index 29a888b22789..293ed709e5ed 100644
> --- a/drivers/infiniband/hw/mlx5/mad.c
> +++ b/drivers/infiniband/hw/mlx5/mad.c
> @@ -291,7 +291,7 @@ int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, unsigned int port)
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO;
> in_mad->attr_mod = cpu_to_be32(port);
>
> @@ -318,7 +318,7 @@ static int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
> if (!in_mad)
> return -ENOMEM;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
>
> err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad,
> @@ -405,7 +405,7 @@ int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
>
> err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
> @@ -430,7 +430,7 @@ int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid)
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
>
> err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
> @@ -456,7 +456,7 @@ int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u32 port, u16 index,
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE;
> in_mad->attr_mod = cpu_to_be32(index / 32);
>
> @@ -485,7 +485,7 @@ int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u32 port, int index,
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
> in_mad->attr_mod = cpu_to_be32(port);
>
> @@ -496,7 +496,7 @@ int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u32 port, int index,
>
> memcpy(gid->raw, out_mad->data + 8, 8);
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_GUID_INFO;
> in_mad->attr_mod = cpu_to_be32(index / 8);
>
> @@ -530,7 +530,7 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u32 port,
>
> /* props being zeroed by the caller, avoid zeroing it here */
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
> in_mad->attr_mod = cpu_to_be32(port);
>
> @@ -596,7 +596,7 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u32 port,
> if (props->active_speed == 4) {
> if (dev->port_caps[port - 1].ext_port_cap &
> MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO) {
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO;
> in_mad->attr_mod = cpu_to_be32(port);
>
> diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
> index 93065492dcb8..8c6cbf7ec7ec 100644
> --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
> +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
> @@ -1456,14 +1456,6 @@ extern const struct uapi_definition mlx5_ib_flow_defs[];
> extern const struct uapi_definition mlx5_ib_qos_defs[];
> extern const struct uapi_definition mlx5_ib_std_types_defs[];
>
> -static inline void init_query_mad(struct ib_smp *mad)
> -{
> - mad->base_version = 1;
> - mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
> - mad->class_version = 1;
> - mad->method = IB_MGMT_METHOD_GET;
> -}
> -
> static inline int is_qp1(enum ib_qp_type qp_type)
> {
> return qp_type == MLX5_IB_QPT_HW_GSI || qp_type == IB_QPT_GSI;
> diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
> index ceee23ebc0f2..c46df53f26cf 100644
> --- a/drivers/infiniband/hw/mthca/mthca_provider.c
> +++ b/drivers/infiniband/hw/mthca/mthca_provider.c
> @@ -50,14 +50,6 @@
> #include <rdma/mthca-abi.h>
> #include "mthca_memfree.h"
>
> -static void init_query_mad(struct ib_smp *mad)
> -{
> - mad->base_version = 1;
> - mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
> - mad->class_version = 1;
> - mad->method = IB_MGMT_METHOD_GET;
> -}
> -
> static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
> struct ib_udata *uhw)
> {
> @@ -78,7 +70,7 @@ static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *pr
>
> props->fw_ver = mdev->fw_ver;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
>
> err = mthca_MAD_IFC(mdev, 1, 1,
> @@ -140,7 +132,7 @@ static int mthca_query_port(struct ib_device *ibdev,
>
> /* props being zeroed by the caller, avoid zeroing it here */
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
> in_mad->attr_mod = cpu_to_be32(port);
>
> @@ -234,7 +226,7 @@ static int mthca_query_pkey(struct ib_device *ibdev,
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE;
> in_mad->attr_mod = cpu_to_be32(index / 32);
>
> @@ -263,7 +255,7 @@ static int mthca_query_gid(struct ib_device *ibdev, u32 port,
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
> in_mad->attr_mod = cpu_to_be32(port);
>
> @@ -274,7 +266,7 @@ static int mthca_query_gid(struct ib_device *ibdev, u32 port,
>
> memcpy(gid->raw, out_mad->data + 8, 8);
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_GUID_INFO;
> in_mad->attr_mod = cpu_to_be32(index / 8);
>
> @@ -1006,7 +998,7 @@ static int mthca_init_node_data(struct mthca_dev *dev)
> if (!in_mad || !out_mad)
> goto out;
>
> - init_query_mad(in_mad);
> + ib_init_query_mad(in_mad);
> in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
>
> err = mthca_MAD_IFC(dev, 1, 1,
> diff --git a/include/rdma/ib_smi.h b/include/rdma/ib_smi.h
> index fdb8633cbaff..fc16b826b2c1 100644
> --- a/include/rdma/ib_smi.h
> +++ b/include/rdma/ib_smi.h
> @@ -144,5 +144,15 @@ ib_get_smp_direction(struct ib_smp *smp)
> #define IB_NOTICE_TRAP_DR_NOTICE 0x80
> #define IB_NOTICE_TRAP_DR_TRUNC 0x40
>
> -
> +/**
> + * ib_init_query_mad - Initialize query MAD.
> + * @mad: MAD to initialize.
> + */
> +static inline void ib_init_query_mad(struct ib_smp *mad)
> +{
> + mad->base_version = IB_MGMT_BASE_VERSION;
> + mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
> + mad->class_version = 1;
> + mad->method = IB_MGMT_METHOD_GET;
> +}
> #endif /* IB_SMI_H */
> --
> 2.33.1
>