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| author | Jianbo Liu <jianbol@nvidia.com> | 2024-04-02 16:30:42 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-04-03 19:47:59 -0700 |
| commit | c788d79cfa6b68b1068b25e9cdff25d6035ed191 (patch) | |
| tree | 83d73653b3ca61ea325ac71129a1453dfd2b54e9 | |
| parent | 137f3d50ad2a0f2e1ebe5181d6b32a5541786b99 (diff) | |
| download | linux-stable-c788d79cfa6b68b1068b25e9cdff25d6035ed191.tar.gz linux-stable-c788d79cfa6b68b1068b25e9cdff25d6035ed191.tar.bz2 linux-stable-c788d79cfa6b68b1068b25e9cdff25d6035ed191.zip | |
net/mlx5: Skip pages EQ creation for non-page supplier function
Page events are not issued by device on the function if
page_request_disable is set, so no need to create pages EQ.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240402133043.56322-11-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eq.c | 9 | ||||
| -rw-r--r-- | include/linux/mlx5/mlx5_ifc.h | 4 |
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 40a6cb052a2d..5693986ae656 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -688,6 +688,12 @@ static int create_async_eqs(struct mlx5_core_dev *dev) if (err) goto err2; + /* Skip page eq creation when the device does not request for page requests */ + if (MLX5_CAP_GEN(dev, page_request_disable)) { + mlx5_core_dbg(dev, "Skip page EQ creation\n"); + return 0; + } + param = (struct mlx5_eq_param) { .irq = table->ctrl_irq, .nent = /* TODO: sriov max_vf + */ 1, @@ -716,7 +722,8 @@ static void destroy_async_eqs(struct mlx5_core_dev *dev) { struct mlx5_eq_table *table = dev->priv.eq_table; - cleanup_async_eq(dev, &table->pages_eq, "pages"); + if (!MLX5_CAP_GEN(dev, page_request_disable)) + cleanup_async_eq(dev, &table->pages_eq, "pages"); cleanup_async_eq(dev, &table->async_eq, "async"); mlx5_cmd_allowed_opcode(dev, MLX5_CMD_OP_DESTROY_EQ); mlx5_cmd_use_polling(dev); diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 40f6fa138e27..cc159d8563d1 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1485,7 +1485,9 @@ enum { }; struct mlx5_ifc_cmd_hca_cap_bits { - u8 reserved_at_0[0x10]; + u8 reserved_at_0[0x6]; + u8 page_request_disable[0x1]; + u8 reserved_at_7[0x9]; u8 shared_object_to_user_object_allowed[0x1]; u8 reserved_at_13[0xe]; u8 vhca_resource_manager[0x1]; |