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IB/mlx5: Avoid using the MAD_IFC command under ISSI > 0 mode
In ISSI > 0 mode, most of the MAD_IFC command features are deprecated, and can't be used. Therefore, when in that mode, we replace all of them with other commands that provide the required functionality. Signed-off-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Majd Dibbiny
committed by
David S. Miller
David S. Miller
parent
a124d13ef5
commit
1b5daf11b0
@@ -137,3 +137,300 @@ out:
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kfree(out_mad);
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return err;
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}
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int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
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struct ib_smp *out_mad)
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{
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struct ib_smp *in_mad = NULL;
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int err = -ENOMEM;
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
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if (!in_mad)
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return -ENOMEM;
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init_query_mad(in_mad);
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in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
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err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad,
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out_mad);
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kfree(in_mad);
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return err;
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}
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int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev,
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__be64 *sys_image_guid)
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{
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
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if (!out_mad)
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return -ENOMEM;
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err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad);
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if (err)
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goto out;
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memcpy(sys_image_guid, out_mad->data + 4, 8);
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out:
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kfree(out_mad);
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return err;
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}
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int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev,
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u16 *max_pkeys)
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{
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
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if (!out_mad)
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return -ENOMEM;
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err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad);
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if (err)
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goto out;
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*max_pkeys = be16_to_cpup((__be16 *)(out_mad->data + 28));
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out:
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kfree(out_mad);
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return err;
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}
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int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev,
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u32 *vendor_id)
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{
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
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if (!out_mad)
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return -ENOMEM;
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err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad);
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if (err)
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goto out;
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*vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) & 0xffff;
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out:
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kfree(out_mad);
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return err;
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}
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int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
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{
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struct ib_smp *in_mad = NULL;
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
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if (!in_mad || !out_mad)
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goto out;
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init_query_mad(in_mad);
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in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
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err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
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if (err)
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goto out;
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memcpy(node_desc, out_mad->data, 64);
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out:
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kfree(in_mad);
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kfree(out_mad);
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return err;
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}
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int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid)
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{
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struct ib_smp *in_mad = NULL;
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
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if (!in_mad || !out_mad)
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goto out;
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init_query_mad(in_mad);
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in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
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err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
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if (err)
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goto out;
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memcpy(node_guid, out_mad->data + 12, 8);
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out:
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kfree(in_mad);
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kfree(out_mad);
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return err;
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}
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int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u8 port, u16 index,
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u16 *pkey)
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{
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struct ib_smp *in_mad = NULL;
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
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if (!in_mad || !out_mad)
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goto out;
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init_query_mad(in_mad);
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in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE;
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in_mad->attr_mod = cpu_to_be32(index / 32);
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err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad,
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out_mad);
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if (err)
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goto out;
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*pkey = be16_to_cpu(((__be16 *)out_mad->data)[index % 32]);
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out:
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kfree(in_mad);
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kfree(out_mad);
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return err;
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}
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int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u8 port, int index,
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union ib_gid *gid)
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{
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struct ib_smp *in_mad = NULL;
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
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if (!in_mad || !out_mad)
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goto out;
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init_query_mad(in_mad);
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in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
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in_mad->attr_mod = cpu_to_be32(port);
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err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad,
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out_mad);
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if (err)
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goto out;
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memcpy(gid->raw, out_mad->data + 8, 8);
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init_query_mad(in_mad);
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in_mad->attr_id = IB_SMP_ATTR_GUID_INFO;
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in_mad->attr_mod = cpu_to_be32(index / 8);
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err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad,
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out_mad);
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if (err)
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goto out;
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memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
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out:
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kfree(in_mad);
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kfree(out_mad);
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return err;
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}
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int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
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struct ib_port_attr *props)
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{
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struct mlx5_ib_dev *dev = to_mdev(ibdev);
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struct mlx5_core_dev *mdev = dev->mdev;
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struct ib_smp *in_mad = NULL;
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struct ib_smp *out_mad = NULL;
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int ext_active_speed;
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int err = -ENOMEM;
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if (port < 1 || port > MLX5_CAP_GEN(mdev, num_ports)) {
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mlx5_ib_warn(dev, "invalid port number %d\n", port);
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return -EINVAL;
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}
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
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if (!in_mad || !out_mad)
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goto out;
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memset(props, 0, sizeof(*props));
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init_query_mad(in_mad);
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in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
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in_mad->attr_mod = cpu_to_be32(port);
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err = mlx5_MAD_IFC(dev, 1, 1, port, NULL, NULL, in_mad, out_mad);
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if (err) {
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mlx5_ib_warn(dev, "err %d\n", err);
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goto out;
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}
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props->lid = be16_to_cpup((__be16 *)(out_mad->data + 16));
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props->lmc = out_mad->data[34] & 0x7;
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props->sm_lid = be16_to_cpup((__be16 *)(out_mad->data + 18));
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props->sm_sl = out_mad->data[36] & 0xf;
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props->state = out_mad->data[32] & 0xf;
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props->phys_state = out_mad->data[33] >> 4;
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props->port_cap_flags = be32_to_cpup((__be32 *)(out_mad->data + 20));
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props->gid_tbl_len = out_mad->data[50];
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props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg);
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props->pkey_tbl_len = mdev->port_caps[port - 1].pkey_table_len;
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props->bad_pkey_cntr = be16_to_cpup((__be16 *)(out_mad->data + 46));
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props->qkey_viol_cntr = be16_to_cpup((__be16 *)(out_mad->data + 48));
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props->active_width = out_mad->data[31] & 0xf;
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props->active_speed = out_mad->data[35] >> 4;
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props->max_mtu = out_mad->data[41] & 0xf;
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props->active_mtu = out_mad->data[36] >> 4;
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props->subnet_timeout = out_mad->data[51] & 0x1f;
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props->max_vl_num = out_mad->data[37] >> 4;
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props->init_type_reply = out_mad->data[41] >> 4;
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/* Check if extended speeds (EDR/FDR/...) are supported */
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if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) {
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ext_active_speed = out_mad->data[62] >> 4;
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switch (ext_active_speed) {
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case 1:
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props->active_speed = 16; /* FDR */
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break;
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case 2:
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props->active_speed = 32; /* EDR */
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break;
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}
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}
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/* If reported active speed is QDR, check if is FDR-10 */
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if (props->active_speed == 4) {
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if (mdev->port_caps[port - 1].ext_port_cap &
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MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO) {
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init_query_mad(in_mad);
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in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO;
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in_mad->attr_mod = cpu_to_be32(port);
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err = mlx5_MAD_IFC(dev, 1, 1, port,
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NULL, NULL, in_mad, out_mad);
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if (err)
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goto out;
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/* Checking LinkSpeedActive for FDR-10 */
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if (out_mad->data[15] & 0x1)
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props->active_speed = 8;
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}
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}
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out:
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kfree(in_mad);
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kfree(out_mad);
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return err;
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}
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+361
-190
File diff suppressed because it is too large
Load Diff
@@ -594,6 +594,22 @@ struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev,
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int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd);
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int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset);
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int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port);
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int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
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struct ib_smp *out_mad);
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int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev,
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__be64 *sys_image_guid);
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int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev,
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u16 *max_pkeys);
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int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev,
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u32 *vendor_id);
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int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc);
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int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid);
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int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u8 port, u16 index,
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u16 *pkey);
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int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u8 port, int index,
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union ib_gid *gid);
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int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
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struct ib_port_attr *props);
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int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
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struct ib_port_attr *props);
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int mlx5_ib_init_fmr(struct mlx5_ib_dev *dev);
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