// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. */ #include #include #include #include #include #include #include #include #include "mlx5_ib.h" #define UVERBS_MODULE_NAME mlx5_ib #include #define MLX5_MAX_DESTROY_INBOX_SIZE_DW MLX5_ST_SZ_DW(delete_fte_in) struct devx_obj { struct mlx5_core_dev *mdev; u32 obj_id; u32 dinlen; /* destroy inbox length */ u32 dinbox[MLX5_MAX_DESTROY_INBOX_SIZE_DW]; }; struct devx_umem { struct mlx5_core_dev *mdev; struct ib_umem *umem; u32 page_offset; int page_shift; int ncont; u32 dinlen; u32 dinbox[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)]; }; struct devx_umem_reg_cmd { void *in; u32 inlen; u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; }; static struct mlx5_ib_ucontext *devx_ufile2uctx(struct ib_uverbs_file *file) { return to_mucontext(ib_uverbs_get_ucontext(file)); } int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context) { u32 in[MLX5_ST_SZ_DW(create_uctx_in)] = {0}; u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0}; u64 general_obj_types; void *uctx; void *hdr; int err; uctx = MLX5_ADDR_OF(create_uctx_in, in, uctx); hdr = MLX5_ADDR_OF(create_uctx_in, in, hdr); general_obj_types = MLX5_CAP_GEN_64(dev->mdev, general_obj_types); if (!(general_obj_types & MLX5_GENERAL_OBJ_TYPES_CAP_UCTX) || !(general_obj_types & MLX5_GENERAL_OBJ_TYPES_CAP_UMEM)) return -EINVAL; if (!capable(CAP_NET_RAW)) return -EPERM; MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode, MLX5_CMD_OP_CREATE_GENERAL_OBJECT); MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type, MLX5_OBJ_TYPE_UCTX); err = mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out)); if (err) return err; context->devx_uid = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id); return 0; } void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context) { u32 in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0}; u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0}; MLX5_SET(general_obj_in_cmd_hdr, in, opcode, MLX5_CMD_OP_DESTROY_GENERAL_OBJECT); MLX5_SET(general_obj_in_cmd_hdr, in, obj_type, MLX5_OBJ_TYPE_UCTX); MLX5_SET(general_obj_in_cmd_hdr, in, obj_id, context->devx_uid); mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out)); } static int devx_is_valid_obj_id(struct devx_obj *obj, const void *in) { u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); u32 obj_id; switch (opcode) { case MLX5_CMD_OP_MODIFY_GENERAL_OBJECT: case MLX5_CMD_OP_QUERY_GENERAL_OBJECT: obj_id = MLX5_GET(general_obj_in_cmd_hdr, in, obj_id); break; case MLX5_CMD_OP_QUERY_MKEY: obj_id = MLX5_GET(query_mkey_in, in, mkey_index); break; case MLX5_CMD_OP_QUERY_CQ: obj_id = MLX5_GET(query_cq_in, in, cqn); break; case MLX5_CMD_OP_MODIFY_CQ: obj_id = MLX5_GET(modify_cq_in, in, cqn); break; case MLX5_CMD_OP_QUERY_SQ: obj_id = MLX5_GET(query_sq_in, in, sqn); break; case MLX5_CMD_OP_MODIFY_SQ: obj_id = MLX5_GET(modify_sq_in, in, sqn); break; case MLX5_CMD_OP_QUERY_RQ: obj_id = MLX5_GET(query_rq_in, in, rqn); break; case MLX5_CMD_OP_MODIFY_RQ: obj_id = MLX5_GET(modify_rq_in, in, rqn); break; case MLX5_CMD_OP_QUERY_RMP: obj_id = MLX5_GET(query_rmp_in, in, rmpn); break; case MLX5_CMD_OP_MODIFY_RMP: obj_id = MLX5_GET(modify_rmp_in, in, rmpn); break; case MLX5_CMD_OP_QUERY_RQT: obj_id = MLX5_GET(query_rqt_in, in, rqtn); break; case MLX5_CMD_OP_MODIFY_RQT: obj_id = MLX5_GET(modify_rqt_in, in, rqtn); break; case MLX5_CMD_OP_QUERY_TIR: obj_id = MLX5_GET(query_tir_in, in, tirn); break; case MLX5_CMD_OP_MODIFY_TIR: obj_id = MLX5_GET(modify_tir_in, in, tirn); break; case MLX5_CMD_OP_QUERY_TIS: obj_id = MLX5_GET(query_tis_in, in, tisn); break; case MLX5_CMD_OP_MODIFY_TIS: obj_id = MLX5_GET(modify_tis_in, in, tisn); break; case MLX5_CMD_OP_QUERY_FLOW_TABLE: obj_id = MLX5_GET(query_flow_table_in, in, table_id); break; case MLX5_CMD_OP_MODIFY_FLOW_TABLE: obj_id = MLX5_GET(modify_flow_table_in, in, table_id); break; case MLX5_CMD_OP_QUERY_FLOW_GROUP: obj_id = MLX5_GET(query_flow_group_in, in, group_id); break; case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: obj_id = MLX5_GET(query_fte_in, in, flow_index); break; case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: obj_id = MLX5_GET(set_fte_in, in, flow_index); break; case MLX5_CMD_OP_QUERY_Q_COUNTER: obj_id = MLX5_GET(query_q_counter_in, in, counter_set_id); break; case MLX5_CMD_OP_QUERY_FLOW_COUNTER: obj_id = MLX5_GET(query_flow_counter_in, in, flow_counter_id); break; case MLX5_CMD_OP_QUERY_MODIFY_HEADER_CONTEXT: obj_id = MLX5_GET(general_obj_in_cmd_hdr, in, obj_id); break; case MLX5_CMD_OP_QUERY_SCHEDULING_ELEMENT: obj_id = MLX5_GET(query_scheduling_element_in, in, scheduling_element_id); break; case MLX5_CMD_OP_MODIFY_SCHEDULING_ELEMENT: obj_id = MLX5_GET(modify_scheduling_element_in, in, scheduling_element_id); break; case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: obj_id = MLX5_GET(add_vxlan_udp_dport_in, in, vxlan_udp_port); break; case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: obj_id = MLX5_GET(query_l2_table_entry_in, in, table_index); break; case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: obj_id = MLX5_GET(set_l2_table_entry_in, in, table_index); break; case MLX5_CMD_OP_QUERY_QP: obj_id = MLX5_GET(query_qp_in, in, qpn); break; case MLX5_CMD_OP_RST2INIT_QP: obj_id = MLX5_GET(rst2init_qp_in, in, qpn); break; case MLX5_CMD_OP_INIT2RTR_QP: obj_id = MLX5_GET(init2rtr_qp_in, in, qpn); break; case MLX5_CMD_OP_RTR2RTS_QP: obj_id = MLX5_GET(rtr2rts_qp_in, in, qpn); break; case MLX5_CMD_OP_RTS2RTS_QP: obj_id = MLX5_GET(rts2rts_qp_in, in, qpn); break; case MLX5_CMD_OP_SQERR2RTS_QP: obj_id = MLX5_GET(sqerr2rts_qp_in, in, qpn); break; case MLX5_CMD_OP_2ERR_QP: obj_id = MLX5_GET(qp_2err_in, in, qpn); break; case MLX5_CMD_OP_2RST_QP: obj_id = MLX5_GET(qp_2rst_in, in, qpn); break; case MLX5_CMD_OP_QUERY_DCT: obj_id = MLX5_GET(query_dct_in, in, dctn); break; case MLX5_CMD_OP_QUERY_XRQ: obj_id = MLX5_GET(query_xrq_in, in, xrqn); break; case MLX5_CMD_OP_QUERY_XRC_SRQ: obj_id = MLX5_GET(query_xrc_srq_in, in, xrc_srqn); break; case MLX5_CMD_OP_ARM_XRC_SRQ: obj_id = MLX5_GET(arm_xrc_srq_in, in, xrc_srqn); break; case MLX5_CMD_OP_QUERY_SRQ: obj_id = MLX5_GET(query_srq_in, in, srqn); break; case MLX5_CMD_OP_ARM_RQ: obj_id = MLX5_GET(arm_rq_in, in, srq_number); break; case MLX5_CMD_OP_DRAIN_DCT: case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: obj_id = MLX5_GET(drain_dct_in, in, dctn); break; case MLX5_CMD_OP_ARM_XRQ: obj_id = MLX5_GET(arm_xrq_in, in, xrqn); break; default: return false; } if (obj_id == obj->obj_id) return true; return false; } static bool devx_is_obj_create_cmd(const void *in) { u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); switch (opcode) { case MLX5_CMD_OP_CREATE_GENERAL_OBJECT: case MLX5_CMD_OP_CREATE_MKEY: case MLX5_CMD_OP_CREATE_CQ: case MLX5_CMD_OP_ALLOC_PD: case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: case MLX5_CMD_OP_CREATE_RMP: case MLX5_CMD_OP_CREATE_SQ: case MLX5_CMD_OP_CREATE_RQ: case MLX5_CMD_OP_CREATE_RQT: case MLX5_CMD_OP_CREATE_TIR: case MLX5_CMD_OP_CREATE_TIS: case MLX5_CMD_OP_ALLOC_Q_COUNTER: case MLX5_CMD_OP_CREATE_FLOW_TABLE: case MLX5_CMD_OP_CREATE_FLOW_GROUP: case MLX5_CMD_OP_ALLOC_FLOW_COUNTER: case MLX5_CMD_OP_ALLOC_ENCAP_HEADER: case MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT: case MLX5_CMD_OP_CREATE_SCHEDULING_ELEMENT: case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: case MLX5_CMD_OP_CREATE_QP: case MLX5_CMD_OP_CREATE_SRQ: case MLX5_CMD_OP_CREATE_XRC_SRQ: case MLX5_CMD_OP_CREATE_DCT: case MLX5_CMD_OP_CREATE_XRQ: case MLX5_CMD_OP_ATTACH_TO_MCG: case MLX5_CMD_OP_ALLOC_XRCD: return true; case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: { u16 op_mod = MLX5_GET(set_fte_in, in, op_mod); if (op_mod == 0) return true; return false; } default: return false; } } static bool devx_is_obj_modify_cmd(const void *in) { u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); switch (opcode) { case MLX5_CMD_OP_MODIFY_GENERAL_OBJECT: case MLX5_CMD_OP_MODIFY_CQ: case MLX5_CMD_OP_MODIFY_RMP: case MLX5_CMD_OP_MODIFY_SQ: case MLX5_CMD_OP_MODIFY_RQ: case MLX5_CMD_OP_MODIFY_RQT: case MLX5_CMD_OP_MODIFY_TIR: case MLX5_CMD_OP_MODIFY_TIS: case MLX5_CMD_OP_MODIFY_FLOW_TABLE: case MLX5_CMD_OP_MODIFY_SCHEDULING_ELEMENT: case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: case MLX5_CMD_OP_RST2INIT_QP: case MLX5_CMD_OP_INIT2RTR_QP: case MLX5_CMD_OP_RTR2RTS_QP: case MLX5_CMD_OP_RTS2RTS_QP: case MLX5_CMD_OP_SQERR2RTS_QP: case MLX5_CMD_OP_2ERR_QP: case MLX5_CMD_OP_2RST_QP: case MLX5_CMD_OP_ARM_XRC_SRQ: case MLX5_CMD_OP_ARM_RQ: case MLX5_CMD_OP_DRAIN_DCT: case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: case MLX5_CMD_OP_ARM_XRQ: return true; case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: { u16 op_mod = MLX5_GET(set_fte_in, in, op_mod); if (op_mod == 1) return true; return false; } default: return false; } } static bool devx_is_obj_query_cmd(const void *in) { u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); switch (opcode) { case MLX5_CMD_OP_QUERY_GENERAL_OBJECT: case MLX5_CMD_OP_QUERY_MKEY: case MLX5_CMD_OP_QUERY_CQ: case MLX5_CMD_OP_QUERY_RMP: case MLX5_CMD_OP_QUERY_SQ: case MLX5_CMD_OP_QUERY_RQ: case MLX5_CMD_OP_QUERY_RQT: case MLX5_CMD_OP_QUERY_TIR: case MLX5_CMD_OP_QUERY_TIS: case MLX5_CMD_OP_QUERY_Q_COUNTER: case MLX5_CMD_OP_QUERY_FLOW_TABLE: case MLX5_CMD_OP_QUERY_FLOW_GROUP: case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: case MLX5_CMD_OP_QUERY_FLOW_COUNTER: case MLX5_CMD_OP_QUERY_MODIFY_HEADER_CONTEXT: case MLX5_CMD_OP_QUERY_SCHEDULING_ELEMENT: case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: case MLX5_CMD_OP_QUERY_QP: case MLX5_CMD_OP_QUERY_SRQ: case MLX5_CMD_OP_QUERY_XRC_SRQ: case MLX5_CMD_OP_QUERY_DCT: case MLX5_CMD_OP_QUERY_XRQ: return true; default: return false; } } static bool devx_is_general_cmd(void *in) { u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); switch (opcode) { case MLX5_CMD_OP_QUERY_HCA_CAP: case MLX5_CMD_OP_QUERY_VPORT_STATE: case MLX5_CMD_OP_QUERY_ADAPTER: case MLX5_CMD_OP_QUERY_ISSI: case MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT: case MLX5_CMD_OP_QUERY_ROCE_ADDRESS: case MLX5_CMD_OP_QUERY_VNIC_ENV: case MLX5_CMD_OP_QUERY_VPORT_COUNTER: case MLX5_CMD_OP_GET_DROPPED_PACKET_LOG: case MLX5_CMD_OP_NOP: case MLX5_CMD_OP_QUERY_CONG_STATUS: case MLX5_CMD_OP_QUERY_CONG_PARAMS: case MLX5_CMD_OP_QUERY_CONG_STATISTICS: return true; default: return false; } } static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_QUERY_EQN)(struct ib_device *ib_dev, struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) { struct mlx5_ib_dev *dev = to_mdev(ib_dev); int user_vector; int dev_eqn; unsigned int irqn; int err; if (uverbs_copy_from(&user_vector, attrs, MLX5_IB_ATTR_DEVX_QUERY_EQN_USER_VEC)) return -EFAULT; err = mlx5_vector2eqn(dev->mdev, user_vector, &dev_eqn, &irqn); if (err < 0) return err; if (uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_QUERY_EQN_DEV_EQN, &dev_eqn, sizeof(dev_eqn))) return -EFAULT; return 0; } /* *Security note: * The hardware protection mechanism works like this: Each device object that * is subject to UAR doorbells (QP/SQ/CQ) gets a UAR ID (called uar_page in * the device specification manual) upon its creation. Then upon doorbell, * hardware fetches the object context for which the doorbell was rang, and * validates that the UAR through which the DB was rang matches the UAR ID * of the object. * If no match the doorbell is silently ignored by the hardware. Of course, * the user cannot ring a doorbell on a UAR that was not mapped to it. * Now in devx, as the devx kernel does not manipulate the QP/SQ/CQ command * mailboxes (except tagging them with UID), we expose to the user its UAR * ID, so it can embed it in these objects in the expected specification * format. So the only thing the user can do is hurt itself by creating a * QP/SQ/CQ with a UAR ID other than his, and then in this case other users * may ring a doorbell on its objects. * The consequence of that will be that another user can schedule a QP/SQ * of the buggy user for execution (just insert it to the hardware schedule * queue or arm its CQ for event generation), no further harm is expected. */ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_QUERY_UAR)(struct ib_device *ib_dev, struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) { struct mlx5_ib_ucontext *c = devx_ufile2uctx(file); u32 user_idx; s32 dev_idx; if (uverbs_copy_from(&user_idx, attrs, MLX5_IB_ATTR_DEVX_QUERY_UAR_USER_IDX)) return -EFAULT; dev_idx = bfregn_to_uar_index(to_mdev(ib_dev), &c->bfregi, user_idx, true); if (dev_idx < 0) return dev_idx; if (uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_QUERY_UAR_DEV_IDX, &dev_idx, sizeof(dev_idx))) return -EFAULT; return 0; } static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OTHER)(struct ib_device *ib_dev, struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) { struct mlx5_ib_ucontext *c = devx_ufile2uctx(file); struct mlx5_ib_dev *dev = to_mdev(ib_dev); void *cmd_in = uverbs_attr_get_alloced_ptr( attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_IN); int cmd_out_len = uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT); void *cmd_out; int err; if (!c->devx_uid) return -EPERM; /* Only white list of some general HCA commands are allowed for this method. */ if (!devx_is_general_cmd(cmd_in)) return -EINVAL; cmd_out = kvzalloc(cmd_out_len, GFP_KERNEL); if (!cmd_out) return -ENOMEM; MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, c->devx_uid); err = mlx5_cmd_exec(dev->mdev, cmd_in, uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_IN), cmd_out, cmd_out_len); if (err) goto other_cmd_free; err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT, cmd_out, cmd_out_len); other_cmd_free: kvfree(cmd_out); return err; } static void devx_obj_build_destroy_cmd(void *in, void *out, void *din, u32 *dinlen, u32 *obj_id) { u16 obj_type = MLX5_GET(general_obj_in_cmd_hdr, in, obj_type); u16 uid = MLX5_GET(general_obj_in_cmd_hdr, in, uid); *obj_id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id); *dinlen = MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr); MLX5_SET(general_obj_in_cmd_hdr, din, obj_id, *obj_id); MLX5_SET(general_obj_in_cmd_hdr, din, uid, uid); switch (MLX5_GET(general_obj_in_cmd_hdr, in, opcode)) { case MLX5_CMD_OP_CREATE_GENERAL_OBJECT: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_GENERAL_OBJECT); MLX5_SET(general_obj_in_cmd_hdr, din, obj_type, obj_type); break; case MLX5_CMD_OP_CREATE_MKEY: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_MKEY); break; case MLX5_CMD_OP_CREATE_CQ: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_CQ); break; case MLX5_CMD_OP_ALLOC_PD: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_PD); break; case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN); break; case MLX5_CMD_OP_CREATE_RMP: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_RMP); break; case MLX5_CMD_OP_CREATE_SQ: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_SQ); break; case MLX5_CMD_OP_CREATE_RQ: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_RQ); break; case MLX5_CMD_OP_CREATE_RQT: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_RQT); break; case MLX5_CMD_OP_CREATE_TIR: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_TIR); break; case MLX5_CMD_OP_CREATE_TIS: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_TIS); break; case MLX5_CMD_OP_ALLOC_Q_COUNTER: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_Q_COUNTER); break; case MLX5_CMD_OP_CREATE_FLOW_TABLE: *dinlen = MLX5_ST_SZ_BYTES(destroy_flow_table_in); *obj_id = MLX5_GET(create_flow_table_out, out, table_id); MLX5_SET(destroy_flow_table_in, din, other_vport, MLX5_GET(create_flow_table_in, in, other_vport)); MLX5_SET(destroy_flow_table_in, din, vport_number, MLX5_GET(create_flow_table_in, in, vport_number)); MLX5_SET(destroy_flow_table_in, din, table_type, MLX5_GET(create_flow_table_in, in, table_type)); MLX5_SET(destroy_flow_table_in, din, table_id, *obj_id); MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_FLOW_TABLE); break; case MLX5_CMD_OP_CREATE_FLOW_GROUP: *dinlen = MLX5_ST_SZ_BYTES(destroy_flow_group_in); *obj_id = MLX5_GET(create_flow_group_out, out, group_id); MLX5_SET(destroy_flow_group_in, din, other_vport, MLX5_GET(create_flow_group_in, in, other_vport)); MLX5_SET(destroy_flow_group_in, din, vport_number, MLX5_GET(create_flow_group_in, in, vport_number)); MLX5_SET(destroy_flow_group_in, din, table_type, MLX5_GET(create_flow_group_in, in, table_type)); MLX5_SET(destroy_flow_group_in, din, table_id, MLX5_GET(create_flow_group_in, in, table_id)); MLX5_SET(destroy_flow_group_in, din, group_id, *obj_id); MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_FLOW_GROUP); break; case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: *dinlen = MLX5_ST_SZ_BYTES(delete_fte_in); *obj_id = MLX5_GET(set_fte_in, in, flow_index); MLX5_SET(delete_fte_in, din, other_vport, MLX5_GET(set_fte_in, in, other_vport)); MLX5_SET(delete_fte_in, din, vport_number, MLX5_GET(set_fte_in, in, vport_number)); MLX5_SET(delete_fte_in, din, table_type, MLX5_GET(set_fte_in, in, table_type)); MLX5_SET(delete_fte_in, din, table_id, MLX5_GET(set_fte_in, in, table_id)); MLX5_SET(delete_fte_in, din, flow_index, *obj_id); MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY); break; case MLX5_CMD_OP_ALLOC_FLOW_COUNTER: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_FLOW_COUNTER); break; case MLX5_CMD_OP_ALLOC_ENCAP_HEADER: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_ENCAP_HEADER); break; case MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT); break; case MLX5_CMD_OP_CREATE_SCHEDULING_ELEMENT: *dinlen = MLX5_ST_SZ_BYTES(destroy_scheduling_element_in); *obj_id = MLX5_GET(create_scheduling_element_out, out, scheduling_element_id); MLX5_SET(destroy_scheduling_element_in, din, scheduling_hierarchy, MLX5_GET(create_scheduling_element_in, in, scheduling_hierarchy)); MLX5_SET(destroy_scheduling_element_in, din, scheduling_element_id, *obj_id); MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_SCHEDULING_ELEMENT); break; case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: *dinlen = MLX5_ST_SZ_BYTES(delete_vxlan_udp_dport_in); *obj_id = MLX5_GET(add_vxlan_udp_dport_in, in, vxlan_udp_port); MLX5_SET(delete_vxlan_udp_dport_in, din, vxlan_udp_port, *obj_id); MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT); break; case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: *dinlen = MLX5_ST_SZ_BYTES(delete_l2_table_entry_in); *obj_id = MLX5_GET(set_l2_table_entry_in, in, table_index); MLX5_SET(delete_l2_table_entry_in, din, table_index, *obj_id); MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY); break; case MLX5_CMD_OP_CREATE_QP: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_QP); break; case MLX5_CMD_OP_CREATE_SRQ: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_SRQ); break; case MLX5_CMD_OP_CREATE_XRC_SRQ: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_XRC_SRQ); break; case MLX5_CMD_OP_CREATE_DCT: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_DCT); break; case MLX5_CMD_OP_CREATE_XRQ: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_XRQ); break; case MLX5_CMD_OP_ATTACH_TO_MCG: *dinlen = MLX5_ST_SZ_BYTES(detach_from_mcg_in); MLX5_SET(detach_from_mcg_in, din, qpn, MLX5_GET(attach_to_mcg_in, in, qpn)); memcpy(MLX5_ADDR_OF(detach_from_mcg_in, din, multicast_gid), MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid), MLX5_FLD_SZ_BYTES(attach_to_mcg_in, multicast_gid)); MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DETACH_FROM_MCG); break; case MLX5_CMD_OP_ALLOC_XRCD: MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_XRCD); break; default: /* The entry must match to one of the devx_is_obj_create_cmd */ WARN_ON(true); break; } } static int devx_obj_cleanup(struct ib_uobject *uobject, enum rdma_remove_reason why) { u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; struct devx_obj *obj = uobject->object; int ret; ret = mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out)); if (ib_is_destroy_retryable(ret, why, uobject)) return ret; kfree(obj); return ret; } static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_DESTROY)(struct ib_device *ib_dev, struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) { return 0; } static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)(struct ib_device *ib_dev, struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) { struct mlx5_ib_ucontext *c = devx_ufile2uctx(file); struct mlx5_ib_dev *dev = to_mdev(ib_dev); void *cmd_in = uverbs_attr_get_alloced_ptr(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_IN); int cmd_out_len = uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT); void *cmd_out; struct ib_uobject *uobj; struct devx_obj *obj; int err; if (!c->devx_uid) return -EPERM; if (!devx_is_obj_create_cmd(cmd_in)) return -EINVAL; obj = kzalloc(sizeof(struct devx_obj), GFP_KERNEL); if (!obj) return -ENOMEM; cmd_out = kvzalloc(cmd_out_len, GFP_KERNEL); if (!cmd_out) { err = -ENOMEM; goto obj_free; } MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, c->devx_uid); err = mlx5_cmd_exec(dev->mdev, cmd_in, uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_IN), cmd_out, cmd_out_len); if (err) goto cmd_free; uobj = uverbs_attr_get_uobject(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_HANDLE); uobj->object = obj; obj->mdev = dev->mdev; devx_obj_build_destroy_cmd(cmd_in, cmd_out, obj->dinbox, &obj->dinlen, &obj->obj_id); WARN_ON(obj->dinlen > MLX5_MAX_DESTROY_INBOX_SIZE_DW * sizeof(u32)); err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT, cmd_out, cmd_out_len); if (err) goto cmd_free; kvfree(cmd_out); return 0; cmd_free: kvfree(cmd_out); obj_free: kfree(obj); return err; } static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(struct ib_device *ib_dev, struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) { struct mlx5_ib_ucontext *c = devx_ufile2uctx(file); struct mlx5_ib_dev *dev = to_mdev(ib_dev); void *cmd_in = uverbs_attr_get_alloced_ptr(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN); int cmd_out_len = uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT); struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_HANDLE); void *cmd_out; int err; if (!c->devx_uid) return -EPERM; if (!devx_is_obj_modify_cmd(cmd_in)) return -EINVAL; if (!devx_is_valid_obj_id(uobj->object, cmd_in)) return -EINVAL; cmd_out = kvzalloc(cmd_out_len, GFP_KERNEL); if (!cmd_out) return -ENOMEM; MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, c->devx_uid); err = mlx5_cmd_exec(dev->mdev, cmd_in, uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN), cmd_out, cmd_out_len); if (err) goto other_cmd_free; err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT, cmd_out, cmd_out_len); other_cmd_free: kvfree(cmd_out); return err; } static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(struct ib_device *ib_dev, struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) { struct mlx5_ib_ucontext *c = devx_ufile2uctx(file); struct mlx5_ib_dev *dev = to_mdev(ib_dev); void *cmd_in = uverbs_attr_get_alloced_ptr(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN); int cmd_out_len = uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT); struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_HANDLE); void *cmd_out; int err; if (!c->devx_uid) return -EPERM; if (!devx_is_obj_query_cmd(cmd_in)) return -EINVAL; if (!devx_is_valid_obj_id(uobj->object, cmd_in)) return -EINVAL; cmd_out = kvzalloc(cmd_out_len, GFP_KERNEL); if (!cmd_out) return -ENOMEM; MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, c->devx_uid); err = mlx5_cmd_exec(dev->mdev, cmd_in, uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN), cmd_out, cmd_out_len); if (err) goto other_cmd_free; err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT, cmd_out, cmd_out_len); other_cmd_free: kvfree(cmd_out); return err; } static int devx_umem_get(struct mlx5_ib_dev *dev, struct ib_ucontext *ucontext, struct uverbs_attr_bundle *attrs, struct devx_umem *obj) { u64 addr; size_t size; int access; int npages; int err; u32 page_mask; if (uverbs_copy_from(&addr, attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_ADDR) || uverbs_copy_from(&size, attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_LEN) || uverbs_copy_from(&access, attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_ACCESS)) return -EFAULT; err = ib_check_mr_access(access); if (err) return err; obj->umem = ib_umem_get(ucontext, addr, size, access, 0); if (IS_ERR(obj->umem)) return PTR_ERR(obj->umem); mlx5_ib_cont_pages(obj->umem, obj->umem->address, MLX5_MKEY_PAGE_SHIFT_MASK, &npages, &obj->page_shift, &obj->ncont, NULL); if (!npages) { ib_umem_release(obj->umem); return -EINVAL; } page_mask = (1 << obj->page_shift) - 1; obj->page_offset = obj->umem->address & page_mask; return 0; } static int devx_umem_reg_cmd_alloc(struct devx_umem *obj, struct devx_umem_reg_cmd *cmd) { cmd->inlen = MLX5_ST_SZ_BYTES(create_umem_in) + (MLX5_ST_SZ_BYTES(mtt) * obj->ncont); cmd->in = kvzalloc(cmd->inlen, GFP_KERNEL); return cmd->in ? 0 : -ENOMEM; } static void devx_umem_reg_cmd_free(struct devx_umem_reg_cmd *cmd) { kvfree(cmd->in); } static void devx_umem_reg_cmd_build(struct mlx5_ib_dev *dev, struct devx_umem *obj, struct devx_umem_reg_cmd *cmd) { void *umem; __be64 *mtt; umem = MLX5_ADDR_OF(create_umem_in, cmd->in, umem); mtt = (__be64 *)MLX5_ADDR_OF(umem, umem, mtt); MLX5_SET(general_obj_in_cmd_hdr, cmd->in, opcode, MLX5_CMD_OP_CREATE_GENERAL_OBJECT); MLX5_SET(general_obj_in_cmd_hdr, cmd->in, obj_type, MLX5_OBJ_TYPE_UMEM); MLX5_SET64(umem, umem, num_of_mtt, obj->ncont); MLX5_SET(umem, umem, log_page_size, obj->page_shift - MLX5_ADAPTER_PAGE_SHIFT); MLX5_SET(umem, umem, page_offset, obj->page_offset); mlx5_ib_populate_pas(dev, obj->umem, obj->page_shift, mtt, (obj->umem->writable ? MLX5_IB_MTT_WRITE : 0) | MLX5_IB_MTT_READ); } static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_UMEM_REG)(struct ib_device *ib_dev, struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) { struct mlx5_ib_ucontext *c = devx_ufile2uctx(file); struct mlx5_ib_dev *dev = to_mdev(ib_dev); struct devx_umem_reg_cmd cmd; struct devx_umem *obj; struct ib_uobject *uobj; u32 obj_id; int err; if (!c->devx_uid) return -EPERM; uobj = uverbs_attr_get_uobject(attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_HANDLE); obj = kzalloc(sizeof(struct devx_umem), GFP_KERNEL); if (!obj) return -ENOMEM; err = devx_umem_get(dev, &c->ibucontext, attrs, obj); if (err) goto err_obj_free; err = devx_umem_reg_cmd_alloc(obj, &cmd); if (err) goto err_umem_release; devx_umem_reg_cmd_build(dev, obj, &cmd); MLX5_SET(general_obj_in_cmd_hdr, cmd.in, uid, c->devx_uid); err = mlx5_cmd_exec(dev->mdev, cmd.in, cmd.inlen, cmd.out, sizeof(cmd.out)); if (err) goto err_umem_reg_cmd_free; obj->mdev = dev->mdev; uobj->object = obj; devx_obj_build_destroy_cmd(cmd.in, cmd.out, obj->dinbox, &obj->dinlen, &obj_id); err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_OUT_ID, &obj_id, sizeof(obj_id)); if (err) goto err_umem_destroy; devx_umem_reg_cmd_free(&cmd); return 0; err_umem_destroy: mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, cmd.out, sizeof(cmd.out)); err_umem_reg_cmd_free: devx_umem_reg_cmd_free(&cmd); err_umem_release: ib_umem_release(obj->umem); err_obj_free: kfree(obj); return err; } static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_UMEM_DEREG)(struct ib_device *ib_dev, struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) { return 0; } static int devx_umem_cleanup(struct ib_uobject *uobject, enum rdma_remove_reason why) { struct devx_umem *obj = uobject->object; u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; int err; err = mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out)); if (ib_is_destroy_retryable(err, why, uobject)) return err; ib_umem_release(obj->umem); kfree(obj); return 0; } static DECLARE_UVERBS_NAMED_METHOD(MLX5_IB_METHOD_DEVX_UMEM_REG, &UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_UMEM_REG_HANDLE, MLX5_IB_OBJECT_DEVX_UMEM, UVERBS_ACCESS_NEW, UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), &UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_UMEM_REG_ADDR, UVERBS_ATTR_TYPE(u64), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), &UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_UMEM_REG_LEN, UVERBS_ATTR_TYPE(u64), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), &UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_UMEM_REG_ACCESS, UVERBS_ATTR_TYPE(u32), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), &UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_DEVX_UMEM_REG_OUT_ID, UVERBS_ATTR_TYPE(u32), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); static DECLARE_UVERBS_NAMED_METHOD(MLX5_IB_METHOD_DEVX_UMEM_DEREG, &UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_UMEM_DEREG_HANDLE, MLX5_IB_OBJECT_DEVX_UMEM, UVERBS_ACCESS_DESTROY, UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); static DECLARE_UVERBS_NAMED_METHOD(MLX5_IB_METHOD_DEVX_QUERY_EQN, &UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_QUERY_EQN_USER_VEC, UVERBS_ATTR_TYPE(u32), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), &UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_DEVX_QUERY_EQN_DEV_EQN, UVERBS_ATTR_TYPE(u32), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); static DECLARE_UVERBS_NAMED_METHOD(MLX5_IB_METHOD_DEVX_QUERY_UAR, &UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_QUERY_UAR_USER_IDX, UVERBS_ATTR_TYPE(u32), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), &UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_DEVX_QUERY_UAR_DEV_IDX, UVERBS_ATTR_TYPE(u32), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); static DECLARE_UVERBS_NAMED_METHOD(MLX5_IB_METHOD_DEVX_OTHER, &UVERBS_ATTR_PTR_IN_SZ(MLX5_IB_ATTR_DEVX_OTHER_CMD_IN, UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY | UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO | UVERBS_ATTR_SPEC_F_ALLOC_AND_COPY)), &UVERBS_ATTR_PTR_OUT_SZ(MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT, UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY | UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO)) ); static DECLARE_UVERBS_NAMED_METHOD(MLX5_IB_METHOD_DEVX_OBJ_CREATE, &UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_CREATE_HANDLE, MLX5_IB_OBJECT_DEVX_OBJ, UVERBS_ACCESS_NEW, UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), &UVERBS_ATTR_PTR_IN_SZ(MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_IN, UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY | UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO | UVERBS_ATTR_SPEC_F_ALLOC_AND_COPY)), &UVERBS_ATTR_PTR_OUT_SZ(MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT, UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY | UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO))); static DECLARE_UVERBS_NAMED_METHOD(MLX5_IB_METHOD_DEVX_OBJ_DESTROY, &UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_DESTROY_HANDLE, MLX5_IB_OBJECT_DEVX_OBJ, UVERBS_ACCESS_DESTROY, UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); static DECLARE_UVERBS_NAMED_METHOD(MLX5_IB_METHOD_DEVX_OBJ_MODIFY, &UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_MODIFY_HANDLE, MLX5_IB_OBJECT_DEVX_OBJ, UVERBS_ACCESS_WRITE, UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), &UVERBS_ATTR_PTR_IN_SZ(MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN, UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY | UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO | UVERBS_ATTR_SPEC_F_ALLOC_AND_COPY)), &UVERBS_ATTR_PTR_OUT_SZ(MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT, UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY | UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO))); static DECLARE_UVERBS_NAMED_METHOD(MLX5_IB_METHOD_DEVX_OBJ_QUERY, &UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_QUERY_HANDLE, MLX5_IB_OBJECT_DEVX_OBJ, UVERBS_ACCESS_READ, UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), &UVERBS_ATTR_PTR_IN_SZ(MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN, UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY | UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO | UVERBS_ATTR_SPEC_F_ALLOC_AND_COPY)), &UVERBS_ATTR_PTR_OUT_SZ(MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT, UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)), UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY | UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO))); static DECLARE_UVERBS_GLOBAL_METHODS(MLX5_IB_OBJECT_DEVX, &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OTHER), &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_QUERY_UAR), &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_QUERY_EQN)); static DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_DEVX_OBJ, &UVERBS_TYPE_ALLOC_IDR(devx_obj_cleanup), &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_CREATE), &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_DESTROY), &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_MODIFY), &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_QUERY)); static DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_DEVX_UMEM, &UVERBS_TYPE_ALLOC_IDR(devx_umem_cleanup), &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_UMEM_REG), &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_UMEM_DEREG)); static DECLARE_UVERBS_OBJECT_TREE(devx_objects, &UVERBS_OBJECT(MLX5_IB_OBJECT_DEVX), &UVERBS_OBJECT(MLX5_IB_OBJECT_DEVX_OBJ), &UVERBS_OBJECT(MLX5_IB_OBJECT_DEVX_UMEM)); const struct uverbs_object_tree_def *mlx5_ib_get_devx_tree(void) { return &devx_objects; }