diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index b716b08156446e186c9ae608f3f4e6343c6f200f..643c08a025a52d015431b8a27be1ddcacbd36845 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -258,6 +258,5 @@ IB_UVERBS_DECLARE_CMD(close_xrcd); IB_UVERBS_DECLARE_EX_CMD(create_flow); IB_UVERBS_DECLARE_EX_CMD(destroy_flow); -IB_UVERBS_DECLARE_EX_CMD(query_device); #endif /* UVERBS_H */ diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 532d8eba8b0203ab65a2a8ed1f096389253b1dca..b7943ff16ed3f2edece8ec4cc3c7931594bd943a 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -400,52 +400,6 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file, return ret; } -static void copy_query_dev_fields(struct ib_uverbs_file *file, - struct ib_uverbs_query_device_resp *resp, - struct ib_device_attr *attr) -{ - resp->fw_ver = attr->fw_ver; - resp->node_guid = file->device->ib_dev->node_guid; - resp->sys_image_guid = attr->sys_image_guid; - resp->max_mr_size = attr->max_mr_size; - resp->page_size_cap = attr->page_size_cap; - resp->vendor_id = attr->vendor_id; - resp->vendor_part_id = attr->vendor_part_id; - resp->hw_ver = attr->hw_ver; - resp->max_qp = attr->max_qp; - resp->max_qp_wr = attr->max_qp_wr; - resp->device_cap_flags = attr->device_cap_flags; - resp->max_sge = attr->max_sge; - resp->max_sge_rd = attr->max_sge_rd; - resp->max_cq = attr->max_cq; - resp->max_cqe = attr->max_cqe; - resp->max_mr = attr->max_mr; - resp->max_pd = attr->max_pd; - resp->max_qp_rd_atom = attr->max_qp_rd_atom; - resp->max_ee_rd_atom = attr->max_ee_rd_atom; - resp->max_res_rd_atom = attr->max_res_rd_atom; - resp->max_qp_init_rd_atom = attr->max_qp_init_rd_atom; - resp->max_ee_init_rd_atom = attr->max_ee_init_rd_atom; - resp->atomic_cap = attr->atomic_cap; - resp->max_ee = attr->max_ee; - resp->max_rdd = attr->max_rdd; - resp->max_mw = attr->max_mw; - resp->max_raw_ipv6_qp = attr->max_raw_ipv6_qp; - resp->max_raw_ethy_qp = attr->max_raw_ethy_qp; - resp->max_mcast_grp = attr->max_mcast_grp; - resp->max_mcast_qp_attach = attr->max_mcast_qp_attach; - resp->max_total_mcast_qp_attach = attr->max_total_mcast_qp_attach; - resp->max_ah = attr->max_ah; - resp->max_fmr = attr->max_fmr; - resp->max_map_per_fmr = attr->max_map_per_fmr; - resp->max_srq = attr->max_srq; - resp->max_srq_wr = attr->max_srq_wr; - resp->max_srq_sge = attr->max_srq_sge; - resp->max_pkeys = attr->max_pkeys; - resp->local_ca_ack_delay = attr->local_ca_ack_delay; - resp->phys_port_cnt = file->device->ib_dev->phys_port_cnt; -} - ssize_t ib_uverbs_query_device(struct ib_uverbs_file *file, const char __user *buf, int in_len, int out_len) @@ -466,7 +420,47 @@ ssize_t ib_uverbs_query_device(struct ib_uverbs_file *file, return ret; memset(&resp, 0, sizeof resp); - copy_query_dev_fields(file, &resp, &attr); + + resp.fw_ver = attr.fw_ver; + resp.node_guid = file->device->ib_dev->node_guid; + resp.sys_image_guid = attr.sys_image_guid; + resp.max_mr_size = attr.max_mr_size; + resp.page_size_cap = attr.page_size_cap; + resp.vendor_id = attr.vendor_id; + resp.vendor_part_id = attr.vendor_part_id; + resp.hw_ver = attr.hw_ver; + resp.max_qp = attr.max_qp; + resp.max_qp_wr = attr.max_qp_wr; + resp.device_cap_flags = attr.device_cap_flags; + resp.max_sge = attr.max_sge; + resp.max_sge_rd = attr.max_sge_rd; + resp.max_cq = attr.max_cq; + resp.max_cqe = attr.max_cqe; + resp.max_mr = attr.max_mr; + resp.max_pd = attr.max_pd; + resp.max_qp_rd_atom = attr.max_qp_rd_atom; + resp.max_ee_rd_atom = attr.max_ee_rd_atom; + resp.max_res_rd_atom = attr.max_res_rd_atom; + resp.max_qp_init_rd_atom = attr.max_qp_init_rd_atom; + resp.max_ee_init_rd_atom = attr.max_ee_init_rd_atom; + resp.atomic_cap = attr.atomic_cap; + resp.max_ee = attr.max_ee; + resp.max_rdd = attr.max_rdd; + resp.max_mw = attr.max_mw; + resp.max_raw_ipv6_qp = attr.max_raw_ipv6_qp; + resp.max_raw_ethy_qp = attr.max_raw_ethy_qp; + resp.max_mcast_grp = attr.max_mcast_grp; + resp.max_mcast_qp_attach = attr.max_mcast_qp_attach; + resp.max_total_mcast_qp_attach = attr.max_total_mcast_qp_attach; + resp.max_ah = attr.max_ah; + resp.max_fmr = attr.max_fmr; + resp.max_map_per_fmr = attr.max_map_per_fmr; + resp.max_srq = attr.max_srq; + resp.max_srq_wr = attr.max_srq_wr; + resp.max_srq_sge = attr.max_srq_sge; + resp.max_pkeys = attr.max_pkeys; + resp.local_ca_ack_delay = attr.local_ca_ack_delay; + resp.phys_port_cnt = file->device->ib_dev->phys_port_cnt; if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) @@ -3293,52 +3287,3 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file, return ret ? ret : in_len; } - -int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, - struct ib_udata *ucore, - struct ib_udata *uhw) -{ - struct ib_uverbs_ex_query_device_resp resp; - struct ib_uverbs_ex_query_device cmd; - struct ib_device_attr attr; - struct ib_device *device; - int err; - - device = file->device->ib_dev; - if (ucore->inlen < sizeof(cmd)) - return -EINVAL; - - err = ib_copy_from_udata(&cmd, ucore, sizeof(cmd)); - if (err) - return err; - - if (cmd.reserved) - return -EINVAL; - - err = device->query_device(device, &attr); - if (err) - return err; - - memset(&resp, 0, sizeof(resp)); - copy_query_dev_fields(file, &resp.base, &attr); - resp.comp_mask = 0; - -#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING - if (cmd.comp_mask & IB_USER_VERBS_EX_QUERY_DEVICE_ODP) { - resp.odp_caps.general_caps = attr.odp_caps.general_caps; - resp.odp_caps.per_transport_caps.rc_odp_caps = - attr.odp_caps.per_transport_caps.rc_odp_caps; - resp.odp_caps.per_transport_caps.uc_odp_caps = - attr.odp_caps.per_transport_caps.uc_odp_caps; - resp.odp_caps.per_transport_caps.ud_odp_caps = - attr.odp_caps.per_transport_caps.ud_odp_caps; - resp.comp_mask |= IB_USER_VERBS_EX_QUERY_DEVICE_ODP; - } -#endif - - err = ib_copy_to_udata(ucore, &resp, sizeof(resp)); - if (err) - return err; - - return 0; -} diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 8a87404e9c76e763709e478b17b00485f38e678f..03bf81211a5401c366522c68213ecf27cdf4b326 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1331,8 +1331,6 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) (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.query_device = mlx5_ib_query_device; dev->ib_dev.query_port = mlx5_ib_query_port; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 0d74f1de99aa89dee233ed408815459e2ad66d5f..65994a19e84055e7b4f4d8cde83a07eb41c1a69a 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1707,10 +1707,7 @@ static inline int ib_copy_from_udata(void *dest, struct ib_udata *udata, size_t static inline int ib_copy_to_udata(struct ib_udata *udata, void *src, size_t len) { - size_t copy_sz; - - copy_sz = min_t(size_t, len, udata->outlen); - return copy_to_user(udata->outbuf, src, copy_sz) ? -EFAULT : 0; + return copy_to_user(udata->outbuf, src, len) ? -EFAULT : 0; } /** diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 4275b961bf60f65ec9d93a2dbe680e66d184b6a2..867cc5084afbfce8ab24cfd87d5f52cda93697de 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -90,7 +90,6 @@ enum { }; enum { - IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE, IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD, IB_USER_VERBS_EX_CMD_DESTROY_FLOW, }; @@ -202,32 +201,6 @@ struct ib_uverbs_query_device_resp { __u8 reserved[4]; }; -enum { - IB_USER_VERBS_EX_QUERY_DEVICE_ODP = 1ULL << 0, -}; - -struct ib_uverbs_ex_query_device { - __u32 comp_mask; - __u32 reserved; -}; - -struct ib_uverbs_odp_caps { - __u64 general_caps; - struct { - __u32 rc_odp_caps; - __u32 uc_odp_caps; - __u32 ud_odp_caps; - } per_transport_caps; - __u32 reserved; -}; - -struct ib_uverbs_ex_query_device_resp { - struct ib_uverbs_query_device_resp base; - __u32 comp_mask; - __u32 reserved; - struct ib_uverbs_odp_caps odp_caps; -}; - struct ib_uverbs_query_port { __u64 response; __u8 port_num;