From 026149cbaada391d98f1cbec47c488cb548f753a Mon Sep 17 00:00:00 2001 From: Jack Morgenstein Date: Fri, 3 Aug 2012 08:40:55 +0000 Subject: [PATCH] mlx4: Activate SR-IOV mode for IB Remove the error returns for IB ports from mlx4_ib_add, mlx4_INIT_PORT_wrapper, and mlx4_CLOSE_PORT_wrapper. Currently, SRIOV is supported only for devices for which the link layer is IB on all ports; RoCE support will be added later. Signed-off-by: Jack Morgenstein Signed-off-by: Roland Dreier --- drivers/infiniband/hw/mlx4/main.c | 8 ++++++-- drivers/net/ethernet/mellanox/mlx4/fw.c | 6 ------ include/linux/mlx4/device.h | 4 ++++ 3 files changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 46303b209ce6..e849347ef99a 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1293,11 +1293,15 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) pr_info_once("%s", mlx4_ib_version); - if (mlx4_is_mfunc(dev)) { - pr_warn("IB not yet supported in SRIOV\n"); + mlx4_foreach_non_ib_transport_port(i, dev) + num_ports++; + + if (mlx4_is_mfunc(dev) && num_ports) { + dev_err(&dev->pdev->dev, "RoCE is not supported over SRIOV as yet\n"); return NULL; } + num_ports = 0; mlx4_foreach_ib_transport_port(i, dev) num_ports++; diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index bf159c0fe82b..1d74e8541146 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -1391,9 +1391,6 @@ int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave, if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port)) return 0; - if (dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB) - return -ENODEV; - if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { /* Enable port only if it was previously disabled */ if (!priv->mfunc.master.init_port_ref[port]) { @@ -1489,9 +1486,6 @@ int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave, (1 << port))) return 0; - if (dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB) - return -ENODEV; - if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { if (priv->mfunc.master.init_port_ref[port] == 1) { err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index b3f9b4500b9b..9b243df789ef 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -697,6 +697,10 @@ struct mlx4_init_port_param { for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \ if ((type) == (dev)->caps.port_mask[(port)]) +#define mlx4_foreach_non_ib_transport_port(port, dev) \ + for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \ + if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB)) + #define mlx4_foreach_ib_transport_port(port, dev) \ for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \ if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \ -- 2.20.1