From: Jason Gunthorpe jgg@nvidia.com
[ Upstream commit b8e3130dd96b7b2d6d92e62dcd1515af30212fe2 ]
Since a while now the uverbs layer checks if the driver implements a function before allowing the ucmd to proceed. This largely obsoletes the cmd_mask stuff, but there is some tricky bits in drivers preventing it from being removed.
Remove the easy elements of uverbs_ex_cmd_mask by pre-setting them in the core code. These are triggered soley based on the related ops function pointer.
query_device_ex is not triggered based on an op, but all drivers already implement something compatible with the extension, so enable it globally too.
Link: https://lore.kernel.org/r/2-v1-caa70ba3d1ab+1436e-ucmd_mask_jgg@nvidia.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Stable-dep-of: cf5b608fb0e3 ("RDMA/hns: Fix hns_roce_table_get return value") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/core/device.c | 11 +++++++++++ drivers/infiniband/core/uverbs_cmd.c | 2 +- drivers/infiniband/hw/efa/efa_main.c | 3 --- drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 7 ------- drivers/infiniband/hw/hns/hns_roce_main.c | 2 -- drivers/infiniband/hw/mlx4/main.c | 14 +------------- drivers/infiniband/hw/mlx5/main.c | 14 ++------------ 7 files changed, 15 insertions(+), 38 deletions(-)
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 5b7abcf102fe9..3c29fd04b3016 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -600,6 +600,17 @@ struct ib_device *_ib_alloc_device(size_t size) init_completion(&device->unreg_completion); INIT_WORK(&device->unregistration_work, ib_unregister_work);
+ device->uverbs_ex_cmd_mask = + BIT_ULL(IB_USER_VERBS_EX_CMD_CREATE_FLOW) | + BIT_ULL(IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) | + BIT_ULL(IB_USER_VERBS_EX_CMD_CREATE_WQ) | + BIT_ULL(IB_USER_VERBS_EX_CMD_DESTROY_FLOW) | + BIT_ULL(IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL) | + BIT_ULL(IB_USER_VERBS_EX_CMD_DESTROY_WQ) | + BIT_ULL(IB_USER_VERBS_EX_CMD_MODIFY_CQ) | + BIT_ULL(IB_USER_VERBS_EX_CMD_MODIFY_WQ) | + BIT_ULL(IB_USER_VERBS_EX_CMD_QUERY_DEVICE); + return device; } EXPORT_SYMBOL(_ib_alloc_device); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 09cf470c08d65..158f9eadc4e95 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -3778,7 +3778,7 @@ const struct uapi_definition uverbs_def_write_intf[] = { IB_USER_VERBS_EX_CMD_MODIFY_CQ, ib_uverbs_ex_modify_cq, UAPI_DEF_WRITE_I(struct ib_uverbs_ex_modify_cq), - UAPI_DEF_METHOD_NEEDS_FN(create_cq))), + UAPI_DEF_METHOD_NEEDS_FN(modify_cq))),
DECLARE_UVERBS_OBJECT( UVERBS_OBJECT_DEVICE, diff --git a/drivers/infiniband/hw/efa/efa_main.c b/drivers/infiniband/hw/efa/efa_main.c index ffdd18f4217f5..cd41cd114ab63 100644 --- a/drivers/infiniband/hw/efa/efa_main.c +++ b/drivers/infiniband/hw/efa/efa_main.c @@ -326,9 +326,6 @@ static int efa_ib_device_add(struct efa_dev *dev) (1ull << IB_USER_VERBS_CMD_CREATE_AH) | (1ull << IB_USER_VERBS_CMD_DESTROY_AH);
- dev->ibdev.uverbs_ex_cmd_mask = - (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE); - ib_set_device_ops(&dev->ibdev, &efa_dev_ops);
err = ib_register_device(&dev->ibdev, "efa_%d", &pdev->dev); diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 5f4d8a32ed6d9..b3d5ba8ef439a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -2062,11 +2062,6 @@ static void hns_roce_v1_write_cqc(struct hns_roce_dev *hr_dev, CQ_CONTEXT_CQC_BYTE_32_CQ_CONS_IDX_S, 0); }
-static int hns_roce_v1_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period) -{ - return -EOPNOTSUPP; -} - static int hns_roce_v1_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags) { @@ -4347,7 +4342,6 @@ static void hns_roce_v1_cleanup_eq_table(struct hns_roce_dev *hr_dev)
static const struct ib_device_ops hns_roce_v1_dev_ops = { .destroy_qp = hns_roce_v1_destroy_qp, - .modify_cq = hns_roce_v1_modify_cq, .poll_cq = hns_roce_v1_poll_cq, .post_recv = hns_roce_v1_post_recv, .post_send = hns_roce_v1_post_send, @@ -4367,7 +4361,6 @@ static const struct hns_roce_hw hns_roce_hw_v1 = { .set_mtu = hns_roce_v1_set_mtu, .write_mtpt = hns_roce_v1_write_mtpt, .write_cqc = hns_roce_v1_write_cqc, - .modify_cq = hns_roce_v1_modify_cq, .clear_hem = hns_roce_v1_clear_hem, .modify_qp = hns_roce_v1_modify_qp, .query_qp = hns_roce_v1_query_qp, diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 1e8b3e4ef1b17..8cc2dae269aff 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -511,8 +511,6 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev) (1ULL << IB_USER_VERBS_CMD_QUERY_QP) | (1ULL << IB_USER_VERBS_CMD_DESTROY_QP);
- ib_dev->uverbs_ex_cmd_mask |= (1ULL << IB_USER_VERBS_EX_CMD_MODIFY_CQ); - if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_REREG_MR) { ib_dev->uverbs_cmd_mask |= (1ULL << IB_USER_VERBS_CMD_REREG_MR); ib_set_device_ops(ib_dev, &hns_roce_dev_mr_ops); diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 05c7200751e50..c62cdd6456962 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -2682,8 +2682,6 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_ops); ibdev->ib_dev.uverbs_ex_cmd_mask |= - (1ull << IB_USER_VERBS_EX_CMD_MODIFY_CQ) | - (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) | (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) | (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP);
@@ -2691,15 +2689,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ((mlx4_ib_port_link_layer(&ibdev->ib_dev, 1) == IB_LINK_LAYER_ETHERNET) || (mlx4_ib_port_link_layer(&ibdev->ib_dev, 2) == - IB_LINK_LAYER_ETHERNET))) { - ibdev->ib_dev.uverbs_ex_cmd_mask |= - (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) | - (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) | - (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) | - (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) | - (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL); + IB_LINK_LAYER_ETHERNET))) ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_wq_ops); - }
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { @@ -2718,9 +2709,6 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
if (check_flow_steering_support(dev)) { ibdev->steering_support = MLX4_STEERING_MODE_DEVICE_MANAGED; - ibdev->ib_dev.uverbs_ex_cmd_mask |= - (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | - (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_fs_ops); }
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 39ba7005f2c4c..215d6618839be 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -4180,14 +4180,10 @@ static int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev) (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | (1ull << IB_USER_VERBS_CMD_OPEN_QP); - dev->ib_dev.uverbs_ex_cmd_mask = - (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) | + dev->ib_dev.uverbs_ex_cmd_mask |= (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) | (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP) | - (1ull << IB_USER_VERBS_EX_CMD_MODIFY_QP) | - (1ull << IB_USER_VERBS_EX_CMD_MODIFY_CQ) | - (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | - (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); + (1ull << IB_USER_VERBS_EX_CMD_MODIFY_QP);
if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads) && IS_ENABLED(CONFIG_MLX5_CORE_IPOIB)) @@ -4290,12 +4286,6 @@ static int mlx5_ib_roce_init(struct mlx5_ib_dev *dev) ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap);
if (ll == IB_LINK_LAYER_ETHERNET) { - dev->ib_dev.uverbs_ex_cmd_mask |= - (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) | - (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) | - (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) | - (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) | - (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL); ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_common_roce_ops);
port_num = mlx5_core_native_port_num(dev->mdev) - 1;