diff options
| author | Leon Romanovsky <leon@kernel.org> | 2024-06-16 18:35:47 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2024-06-16 18:35:47 +0300 |
| commit | ae6f6dd5fd0f77368ba5888c2c57bd23abfe4f35 (patch) | |
| tree | ac4abede6e70a424db5a50caeedd04983f58ef08 /drivers/infiniband/hw/mlx5/main.c | |
| parent | ef5513526bb6a83d7777acf5b79f71d19865563c (diff) | |
| parent | d98995b4bf981519dde4af0a081c393d62474039 (diff) | |
| download | linux-ae6f6dd5fd0f77368ba5888c2c57bd23abfe4f35.tar.gz linux-ae6f6dd5fd0f77368ba5888c2c57bd23abfe4f35.tar.bz2 linux-ae6f6dd5fd0f77368ba5888c2c57bd23abfe4f35.zip | |
Delay mlx5_ib internal resources allocations
From: Leon Romanovsky <leonro@nvidia.com>
Internal mlx5_ib resources are created during mlx5_ib module load. This
behavior is not optimal because it consumes resources that are not
needed when SFs are created. This patch series delays the creation of
mlx5_ib internal resources to the stage when they actually used.
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 2366c46eebc8..00e292422801 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1810,7 +1810,7 @@ static int set_ucontext_resp(struct ib_ucontext *uctx, } resp->qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp); - if (dev->wc_support) + if (mlx5_wc_support_get(dev->mdev)) resp->bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size); resp->cache_line_size = cache_line_size(); @@ -2337,7 +2337,7 @@ static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vm switch (command) { case MLX5_IB_MMAP_WC_PAGE: case MLX5_IB_MMAP_ALLOC_WC: - if (!dev->wc_support) + if (!mlx5_wc_support_get(dev->mdev)) return -EPERM; fallthrough; case MLX5_IB_MMAP_NC_PAGE: @@ -3612,7 +3612,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_UAR_OBJ_ALLOC)( alloc_type != MLX5_IB_UAPI_UAR_ALLOC_TYPE_NC) return -EOPNOTSUPP; - if (!to_mdev(c->ibucontext.device)->wc_support && + if (!mlx5_wc_support_get(to_mdev(c->ibucontext.device)->mdev) && alloc_type == MLX5_IB_UAPI_UAR_ALLOC_TYPE_BF) return -EOPNOTSUPP; @@ -3766,18 +3766,6 @@ err_mp: return err; } -static int mlx5_ib_enable_driver(struct ib_device *dev) -{ - struct mlx5_ib_dev *mdev = to_mdev(dev); - int ret; - - ret = mlx5_ib_test_wc(mdev); - mlx5_ib_dbg(mdev, "Write-Combining %s", - mdev->wc_support ? "supported" : "not supported"); - - return ret; -} - static const struct ib_device_ops mlx5_ib_dev_ops = { .owner = THIS_MODULE, .driver_id = RDMA_DRIVER_MLX5, @@ -3808,7 +3796,6 @@ static const struct ib_device_ops mlx5_ib_dev_ops = { .drain_rq = mlx5_ib_drain_rq, .drain_sq = mlx5_ib_drain_sq, .device_group = &mlx5_attr_group, - .enable_driver = mlx5_ib_enable_driver, .get_dev_fw_str = get_dev_fw_str, .get_dma_mr = mlx5_ib_get_dma_mr, .get_link_layer = mlx5_ib_port_link_layer, |