✏️ 编辑：ib_user_verbs.h
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/usr/include/rdma/ib_user_verbs.h
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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. * Copyright (c) 2005 PathScale, Inc. All rights reserved. * Copyright (c) 2006 Mellanox Technologies. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef IB_USER_VERBS_H #define IB_USER_VERBS_H #include <linux/types.h> /* * Increment this value if any changes that break userspace ABI * compatibility are made. */ #define IB_USER_VERBS_ABI_VERSION 6 #define IB_USER_VERBS_CMD_THRESHOLD 50 enum ib_uverbs_write_cmds { IB_USER_VERBS_CMD_GET_CONTEXT, IB_USER_VERBS_CMD_QUERY_DEVICE, IB_USER_VERBS_CMD_QUERY_PORT, IB_USER_VERBS_CMD_ALLOC_PD, IB_USER_VERBS_CMD_DEALLOC_PD, IB_USER_VERBS_CMD_CREATE_AH, IB_USER_VERBS_CMD_MODIFY_AH, IB_USER_VERBS_CMD_QUERY_AH, IB_USER_VERBS_CMD_DESTROY_AH, IB_USER_VERBS_CMD_REG_MR, IB_USER_VERBS_CMD_REG_SMR, IB_USER_VERBS_CMD_REREG_MR, IB_USER_VERBS_CMD_QUERY_MR, IB_USER_VERBS_CMD_DEREG_MR, IB_USER_VERBS_CMD_ALLOC_MW, IB_USER_VERBS_CMD_BIND_MW, IB_USER_VERBS_CMD_DEALLOC_MW, IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL, IB_USER_VERBS_CMD_CREATE_CQ, IB_USER_VERBS_CMD_RESIZE_CQ, IB_USER_VERBS_CMD_DESTROY_CQ, IB_USER_VERBS_CMD_POLL_CQ, IB_USER_VERBS_CMD_PEEK_CQ, IB_USER_VERBS_CMD_REQ_NOTIFY_CQ, IB_USER_VERBS_CMD_CREATE_QP, IB_USER_VERBS_CMD_QUERY_QP, IB_USER_VERBS_CMD_MODIFY_QP, IB_USER_VERBS_CMD_DESTROY_QP, IB_USER_VERBS_CMD_POST_SEND, IB_USER_VERBS_CMD_POST_RECV, IB_USER_VERBS_CMD_ATTACH_MCAST, IB_USER_VERBS_CMD_DETACH_MCAST, IB_USER_VERBS_CMD_CREATE_SRQ, IB_USER_VERBS_CMD_MODIFY_SRQ, IB_USER_VERBS_CMD_QUERY_SRQ, IB_USER_VERBS_CMD_DESTROY_SRQ, IB_USER_VERBS_CMD_POST_SRQ_RECV, IB_USER_VERBS_CMD_OPEN_XRCD, IB_USER_VERBS_CMD_CLOSE_XRCD, IB_USER_VERBS_CMD_CREATE_XSRQ, IB_USER_VERBS_CMD_OPEN_QP, }; enum { IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE, IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ, IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP, IB_USER_VERBS_EX_CMD_MODIFY_QP = IB_USER_VERBS_CMD_MODIFY_QP, IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD, IB_USER_VERBS_EX_CMD_DESTROY_FLOW, IB_USER_VERBS_EX_CMD_CREATE_WQ, IB_USER_VERBS_EX_CMD_MODIFY_WQ, IB_USER_VERBS_EX_CMD_DESTROY_WQ, IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL, IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL, IB_USER_VERBS_EX_CMD_MODIFY_CQ }; /* see IBA A19.4.1.1 Placement Types */ enum ib_placement_type { IB_FLUSH_GLOBAL = 1U << 0, IB_FLUSH_PERSISTENT = 1U << 1, }; /* see IBA A19.4.1.2 Selectivity Level */ enum ib_selectivity_level { IB_FLUSH_RANGE = 0, IB_FLUSH_MR, }; /* * Make sure that all structs defined in this file remain laid out so * that they pack the same way on 32-bit and 64-bit architectures (to * avoid incompatibility between 32-bit userspace and 64-bit kernels). * Specifically: * - Do not use pointer types -- pass pointers in __u64 instead. * - Make sure that any structure larger than 4 bytes is padded to a * multiple of 8 bytes. Otherwise the structure size will be * different between 32-bit and 64-bit architectures. */ struct ib_uverbs_async_event_desc { __aligned_u64 element; __u32 event_type; /* enum ib_event_type */ __u32 reserved; }; struct ib_uverbs_comp_event_desc { __aligned_u64 cq_handle; }; struct ib_uverbs_cq_moderation_caps { __u16 max_cq_moderation_count; __u16 max_cq_moderation_period; __u32 reserved; }; /* * All commands from userspace should start with a __u32 command field * followed by __u16 in_words and out_words fields (which give the * length of the command block and response buffer if any in 32-bit * words). The kernel driver will read these fields first and read * the rest of the command struct based on these value. */ #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80000000u struct ib_uverbs_cmd_hdr { __u32 command; __u16 in_words; __u16 out_words; }; struct ib_uverbs_ex_cmd_hdr { __aligned_u64 response; __u16 provider_in_words; __u16 provider_out_words; __u32 cmd_hdr_reserved; }; struct ib_uverbs_get_context { __aligned_u64 response; __aligned_u64 driver_data[]; }; struct ib_uverbs_get_context_resp { __u32 async_fd; __u32 num_comp_vectors; __aligned_u64 driver_data[]; }; struct ib_uverbs_query_device { __aligned_u64 response; __aligned_u64 driver_data[]; }; struct ib_uverbs_query_device_resp { __aligned_u64 fw_ver; __be64 node_guid; __be64 sys_image_guid; __aligned_u64 max_mr_size; __aligned_u64 page_size_cap; __u32 vendor_id; __u32 vendor_part_id; __u32 hw_ver; __u32 max_qp; __u32 max_qp_wr; __u32 device_cap_flags; __u32 max_sge; __u32 max_sge_rd; __u32 max_cq; __u32 max_cqe; __u32 max_mr; __u32 max_pd; __u32 max_qp_rd_atom; __u32 max_ee_rd_atom; __u32 max_res_rd_atom; __u32 max_qp_init_rd_atom; __u32 max_ee_init_rd_atom; __u32 atomic_cap; __u32 max_ee; __u32 max_rdd; __u32 max_mw; __u32 max_raw_ipv6_qp; __u32 max_raw_ethy_qp; __u32 max_mcast_grp; __u32 max_mcast_qp_attach; __u32 max_total_mcast_qp_attach; __u32 max_ah; __u32 max_fmr; __u32 max_map_per_fmr; __u32 max_srq; __u32 max_srq_wr; __u32 max_srq_sge; __u16 max_pkeys; __u8 local_ca_ack_delay; __u8 phys_port_cnt; __u8 reserved[4]; }; struct ib_uverbs_ex_query_device { __u32 comp_mask; __u32 reserved; }; enum ib_uverbs_odp_general_cap_bits { IB_UVERBS_ODP_SUPPORT = 1 << 0, IB_UVERBS_ODP_SUPPORT_IMPLICIT = 1 << 1, }; enum ib_uverbs_odp_transport_cap_bits { IB_UVERBS_ODP_SUPPORT_SEND = 1 << 0, IB_UVERBS_ODP_SUPPORT_RECV = 1 << 1, IB_UVERBS_ODP_SUPPORT_WRITE = 1 << 2, IB_UVERBS_ODP_SUPPORT_READ = 1 << 3, IB_UVERBS_ODP_SUPPORT_ATOMIC = 1 << 4, IB_UVERBS_ODP_SUPPORT_SRQ_RECV = 1 << 5, IB_UVERBS_ODP_SUPPORT_FLUSH = 1 << 6, IB_UVERBS_ODP_SUPPORT_ATOMIC_WRITE = 1 << 7, }; struct ib_uverbs_odp_caps { __aligned_u64 general_caps; struct { __u32 rc_odp_caps; __u32 uc_odp_caps; __u32 ud_odp_caps; } per_transport_caps; __u32 reserved; }; struct ib_uverbs_rss_caps { /* Corresponding bit will be set if qp type from * 'enum ib_qp_type' is supported, e.g. * supported_qpts |= 1 << IB_QPT_UD */ __u32 supported_qpts; __u32 max_rwq_indirection_tables; __u32 max_rwq_indirection_table_size; __u32 reserved; }; struct ib_uverbs_tm_caps { /* Max size of rendezvous request message */ __u32 max_rndv_hdr_size; /* Max number of entries in tag matching list */ __u32 max_num_tags; /* TM flags */ __u32 flags; /* Max number of outstanding list operations */ __u32 max_ops; /* Max number of SGE in tag matching entry */ __u32 max_sge; __u32 reserved; }; struct ib_uverbs_ex_query_device_resp { struct ib_uverbs_query_device_resp base; __u32 comp_mask; __u32 response_length; struct ib_uverbs_odp_caps odp_caps; __aligned_u64 timestamp_mask; __aligned_u64 hca_core_clock; /* in KHZ */ __aligned_u64 device_cap_flags_ex; struct ib_uverbs_rss_caps rss_caps; __u32 max_wq_type_rq; __u32 raw_packet_caps; struct ib_uverbs_tm_caps tm_caps; struct ib_uverbs_cq_moderation_caps cq_moderation_caps; __aligned_u64 max_dm_size; __u32 xrc_odp_caps; __u32 reserved; }; struct ib_uverbs_query_port { __aligned_u64 response; __u8 port_num; __u8 reserved[7]; __aligned_u64 driver_data[]; }; struct ib_uverbs_query_port_resp { __u32 port_cap_flags; /* see ib_uverbs_query_port_cap_flags */ __u32 max_msg_sz; __u32 bad_pkey_cntr; __u32 qkey_viol_cntr; __u32 gid_tbl_len; __u16 pkey_tbl_len; __u16 lid; __u16 sm_lid; __u8 state; __u8 max_mtu; __u8 active_mtu; __u8 lmc; __u8 max_vl_num; __u8 sm_sl; __u8 subnet_timeout; __u8 init_type_reply; __u8 active_width; __u8 active_speed; __u8 phys_state; __u8 link_layer; __u8 flags; /* see ib_uverbs_query_port_flags */ __u8 reserved; }; struct ib_uverbs_alloc_pd { __aligned_u64 response; __aligned_u64 driver_data[]; }; struct ib_uverbs_alloc_pd_resp { __u32 pd_handle; __u32 driver_data[]; }; struct ib_uverbs_dealloc_pd { __u32 pd_handle; }; struct ib_uverbs_open_xrcd { __aligned_u64 response; __u32 fd; __u32 oflags; __aligned_u64 driver_data[]; }; struct ib_uverbs_open_xrcd_resp { __u32 xrcd_handle; __u32 driver_data[]; }; struct ib_uverbs_close_xrcd { __u32 xrcd_handle; }; struct ib_uverbs_reg_mr { __aligned_u64 response; __aligned_u64 start; __aligned_u64 length; __aligned_u64 hca_va; __u32 pd_handle; __u32 access_flags; __aligned_u64 driver_data[]; }; struct ib_uverbs_reg_mr_resp { __u32 mr_handle; __u32 lkey; __u32 rkey; __u32 driver_data[]; }; struct ib_uverbs_rereg_mr { __aligned_u64 response; __u32 mr_handle; __u32 flags; __aligned_u64 start; __aligned_u64 length; __aligned_u64 hca_va; __u32 pd_handle; __u32 access_flags; __aligned_u64 driver_data[]; }; struct ib_uverbs_rereg_mr_resp { __u32 lkey; __u32 rkey; __aligned_u64 driver_data[]; }; struct ib_uverbs_dereg_mr { __u32 mr_handle; }; struct ib_uverbs_alloc_mw { __aligned_u64 response; __u32 pd_handle; __u8 mw_type; __u8 reserved[3]; __aligned_u64 driver_data[]; }; struct ib_uverbs_alloc_mw_resp { __u32 mw_handle; __u32 rkey; __aligned_u64 driver_data[]; }; struct ib_uverbs_dealloc_mw { __u32 mw_handle; }; struct ib_uverbs_create_comp_channel { __aligned_u64 response; }; struct ib_uverbs_create_comp_channel_resp { __u32 fd; }; struct ib_uverbs_create_cq { __aligned_u64 response; __aligned_u64 user_handle; __u32 cqe; __u32 comp_vector; __s32 comp_channel; __u32 reserved; __aligned_u64 driver_data[]; }; enum ib_uverbs_ex_create_cq_flags { IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0, IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1, }; struct ib_uverbs_ex_create_cq { __aligned_u64 user_handle; __u32 cqe; __u32 comp_vector; __s32 comp_channel; __u32 comp_mask; __u32 flags; /* bitmask of ib_uverbs_ex_create_cq_flags */ __u32 reserved; }; struct ib_uverbs_create_cq_resp { __u32 cq_handle; __u32 cqe; __aligned_u64 driver_data[0]; }; struct ib_uverbs_ex_create_cq_resp { struct ib_uverbs_create_cq_resp base; __u32 comp_mask; __u32 response_length; }; struct ib_uverbs_resize_cq { __aligned_u64 response; __u32 cq_handle; __u32 cqe; __aligned_u64 driver_data[]; }; struct ib_uverbs_resize_cq_resp { __u32 cqe; __u32 reserved; __aligned_u64 driver_data[]; }; struct ib_uverbs_poll_cq { __aligned_u64 response; __u32 cq_handle; __u32 ne; }; enum ib_uverbs_wc_opcode { IB_UVERBS_WC_SEND = 0, IB_UVERBS_WC_RDMA_WRITE = 1, IB_UVERBS_WC_RDMA_READ = 2, IB_UVERBS_WC_COMP_SWAP = 3, IB_UVERBS_WC_FETCH_ADD = 4, IB_UVERBS_WC_BIND_MW = 5, IB_UVERBS_WC_LOCAL_INV = 6, IB_UVERBS_WC_TSO = 7, IB_UVERBS_WC_FLUSH = 8, IB_UVERBS_WC_ATOMIC_WRITE = 9, }; struct ib_uverbs_wc { __aligned_u64 wr_id; __u32 status; __u32 opcode; __u32 vendor_err; __u32 byte_len; union { __be32 imm_data; __u32 invalidate_rkey; } ex; __u32 qp_num; __u32 src_qp; __u32 wc_flags; __u16 pkey_index; __u16 slid; __u8 sl; __u8 dlid_path_bits; __u8 port_num; __u8 reserved; }; struct ib_uverbs_poll_cq_resp { __u32 count; __u32 reserved; struct ib_uverbs_wc wc[]; }; struct ib_uverbs_req_notify_cq { __u32 cq_handle; __u32 solicited_only; }; struct ib_uverbs_destroy_cq { __aligned_u64 response; __u32 cq_handle; __u32 reserved; }; struct ib_uverbs_destroy_cq_resp { __u32 comp_events_reported; __u32 async_events_reported; }; struct ib_uverbs_global_route { __u8 dgid[16]; __u32 flow_label; __u8 sgid_index; __u8 hop_limit; __u8 traffic_class; __u8 reserved; }; struct ib_uverbs_ah_attr { struct ib_uverbs_global_route grh; __u16 dlid; __u8 sl; __u8 src_path_bits; __u8 static_rate; __u8 is_global; __u8 port_num; __u8 reserved; }; struct ib_uverbs_qp_attr { __u32 qp_attr_mask; __u32 qp_state; __u32 cur_qp_state; __u32 path_mtu; __u32 path_mig_state; __u32 qkey; __u32 rq_psn; __u32 sq_psn; __u32 dest_qp_num; __u32 qp_access_flags; struct ib_uverbs_ah_attr ah_attr; struct ib_uverbs_ah_attr alt_ah_attr; /* ib_qp_cap */ __u32 max_send_wr; __u32 max_recv_wr; __u32 max_send_sge; __u32 max_recv_sge; __u32 max_inline_data; __u16 pkey_index; __u16 alt_pkey_index; __u8 en_sqd_async_notify; __u8 sq_draining; __u8 max_rd_atomic; __u8 max_dest_rd_atomic; __u8 min_rnr_timer; __u8 port_num; __u8 timeout; __u8 retry_cnt; __u8 rnr_retry; __u8 alt_port_num; __u8 alt_timeout; __u8 reserved[5]; }; struct ib_uverbs_create_qp { __aligned_u64 response; __aligned_u64 user_handle; __u32 pd_handle; __u32 send_cq_handle; __u32 recv_cq_handle; __u32 srq_handle; __u32 max_send_wr; __u32 max_recv_wr; __u32 max_send_sge; __u32 max_recv_sge; __u32 max_inline_data; __u8 sq_sig_all; __u8 qp_type; __u8 is_srq; __u8 reserved; __aligned_u64 driver_data[]; }; enum ib_uverbs_create_qp_mask { IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0, }; enum { IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE, }; struct ib_uverbs_ex_create_qp { __aligned_u64 user_handle; __u32 pd_handle; __u32 send_cq_handle; __u32 recv_cq_handle; __u32 srq_handle; __u32 max_send_wr; __u32 max_recv_wr; __u32 max_send_sge; __u32 max_recv_sge; __u32 max_inline_data; __u8 sq_sig_all; __u8 qp_type; __u8 is_srq; __u8 reserved; __u32 comp_mask; __u32 create_flags; __u32 rwq_ind_tbl_handle; __u32 source_qpn; }; struct ib_uverbs_open_qp { __aligned_u64 response; __aligned_u64 user_handle; __u32 pd_handle; __u32 qpn; __u8 qp_type; __u8 reserved[7]; __aligned_u64 driver_data[]; }; /* also used for open response */ struct ib_uverbs_create_qp_resp { __u32 qp_handle; __u32 qpn; __u32 max_send_wr; __u32 max_recv_wr; __u32 max_send_sge; __u32 max_recv_sge; __u32 max_inline_data; __u32 reserved; __u32 driver_data[0]; }; struct ib_uverbs_ex_create_qp_resp { struct ib_uverbs_create_qp_resp base; __u32 comp_mask; __u32 response_length; }; /* * This struct needs to remain a multiple of 8 bytes to keep the * alignment of the modify QP parameters. */ struct ib_uverbs_qp_dest { __u8 dgid[16]; __u32 flow_label; __u16 dlid; __u16 reserved; __u8 sgid_index; __u8 hop_limit; __u8 traffic_class; __u8 sl; __u8 src_path_bits; __u8 static_rate; __u8 is_global; __u8 port_num; }; struct ib_uverbs_query_qp { __aligned_u64 response; __u32 qp_handle; __u32 attr_mask; __aligned_u64 driver_data[]; }; struct ib_uverbs_query_qp_resp { struct ib_uverbs_qp_dest dest; struct ib_uverbs_qp_dest alt_dest; __u32 max_send_wr; __u32 max_recv_wr; __u32 max_send_sge; __u32 max_recv_sge; __u32 max_inline_data; __u32 qkey; __u32 rq_psn; __u32 sq_psn; __u32 dest_qp_num; __u32 qp_access_flags; __u16 pkey_index; __u16 alt_pkey_index; __u8 qp_state; __u8 cur_qp_state; __u8 path_mtu; __u8 path_mig_state; __u8 sq_draining; __u8 max_rd_atomic; __u8 max_dest_rd_atomic; __u8 min_rnr_timer; __u8 port_num; __u8 timeout; __u8 retry_cnt; __u8 rnr_retry; __u8 alt_port_num; __u8 alt_timeout; __u8 sq_sig_all; __u8 reserved[5]; __aligned_u64 driver_data[]; }; struct ib_uverbs_modify_qp { struct ib_uverbs_qp_dest dest; struct ib_uverbs_qp_dest alt_dest; __u32 qp_handle; __u32 attr_mask; __u32 qkey; __u32 rq_psn; __u32 sq_psn; __u32 dest_qp_num; __u32 qp_access_flags; __u16 pkey_index; __u16 alt_pkey_index; __u8 qp_state; __u8 cur_qp_state; __u8 path_mtu; __u8 path_mig_state; __u8 en_sqd_async_notify; __u8 max_rd_atomic; __u8 max_dest_rd_atomic; __u8 min_rnr_timer; __u8 port_num; __u8 timeout; __u8 retry_cnt; __u8 rnr_retry; __u8 alt_port_num; __u8 alt_timeout; __u8 reserved[2]; __aligned_u64 driver_data[0]; }; struct ib_uverbs_ex_modify_qp { struct ib_uverbs_modify_qp base; __u32 rate_limit; __u32 reserved; }; struct ib_uverbs_ex_modify_qp_resp { __u32 comp_mask; __u32 response_length; }; struct ib_uverbs_destroy_qp { __aligned_u64 response; __u32 qp_handle; __u32 reserved; }; struct ib_uverbs_destroy_qp_resp { __u32 events_reported; }; /* * The ib_uverbs_sge structure isn't used anywhere, since we assume * the ib_sge structure is packed the same way on 32-bit and 64-bit * architectures in both kernel and user space. It's just here to * document the ABI. */ struct ib_uverbs_sge { __aligned_u64 addr; __u32 length; __u32 lkey; }; enum ib_uverbs_wr_opcode { IB_UVERBS_WR_RDMA_WRITE = 0, IB_UVERBS_WR_RDMA_WRITE_WITH_IMM = 1, IB_UVERBS_WR_SEND = 2, IB_UVERBS_WR_SEND_WITH_IMM = 3, IB_UVERBS_WR_RDMA_READ = 4, IB_UVERBS_WR_ATOMIC_CMP_AND_SWP = 5, IB_UVERBS_WR_ATOMIC_FETCH_AND_ADD = 6, IB_UVERBS_WR_LOCAL_INV = 7, IB_UVERBS_WR_BIND_MW = 8, IB_UVERBS_WR_SEND_WITH_INV = 9, IB_UVERBS_WR_TSO = 10, IB_UVERBS_WR_RDMA_READ_WITH_INV = 11, IB_UVERBS_WR_MASKED_ATOMIC_CMP_AND_SWP = 12, IB_UVERBS_WR_MASKED_ATOMIC_FETCH_AND_ADD = 13, IB_UVERBS_WR_FLUSH = 14, IB_UVERBS_WR_ATOMIC_WRITE = 15, /* Review enum ib_wr_opcode before modifying this */ }; struct ib_uverbs_send_wr { __aligned_u64 wr_id; __u32 num_sge; __u32 opcode; /* see enum ib_uverbs_wr_opcode */ __u32 send_flags; union { __be32 imm_data; __u32 invalidate_rkey; } ex; union { struct { __aligned_u64 remote_addr; __u32 rkey; __u32 reserved; } rdma; struct { __aligned_u64 remote_addr; __aligned_u64 compare_add; __aligned_u64 swap; __u32 rkey; __u32 reserved; } atomic; struct { __u32 ah; __u32 remote_qpn; __u32 remote_qkey; __u32 reserved; } ud; } wr; }; struct ib_uverbs_post_send { __aligned_u64 response; __u32 qp_handle; __u32 wr_count; __u32 sge_count; __u32 wqe_size; struct ib_uverbs_send_wr send_wr[]; }; struct ib_uverbs_post_send_resp { __u32 bad_wr; }; struct ib_uverbs_recv_wr { __aligned_u64 wr_id; __u32 num_sge; __u32 reserved; }; struct ib_uverbs_post_recv { __aligned_u64 response; __u32 qp_handle; __u32 wr_count; __u32 sge_count; __u32 wqe_size; struct ib_uverbs_recv_wr recv_wr[]; }; struct ib_uverbs_post_recv_resp { __u32 bad_wr; }; struct ib_uverbs_post_srq_recv { __aligned_u64 response; __u32 srq_handle; __u32 wr_count; __u32 sge_count; __u32 wqe_size; struct ib_uverbs_recv_wr recv[]; }; struct ib_uverbs_post_srq_recv_resp { __u32 bad_wr; }; struct ib_uverbs_create_ah { __aligned_u64 response; __aligned_u64 user_handle; __u32 pd_handle; __u32 reserved; struct ib_uverbs_ah_attr attr; __aligned_u64 driver_data[]; }; struct ib_uverbs_create_ah_resp { __u32 ah_handle; __u32 driver_data[]; }; struct ib_uverbs_destroy_ah { __u32 ah_handle; }; struct ib_uverbs_attach_mcast { __u8 gid[16]; __u32 qp_handle; __u16 mlid; __u16 reserved; __aligned_u64 driver_data[]; }; struct ib_uverbs_detach_mcast { __u8 gid[16]; __u32 qp_handle; __u16 mlid; __u16 reserved; __aligned_u64 driver_data[]; }; struct ib_uverbs_flow_spec_hdr { __u32 type; __u16 size; __u16 reserved; /* followed by flow_spec */ __aligned_u64 flow_spec_data[0]; }; struct ib_uverbs_flow_eth_filter { __u8 dst_mac[6]; __u8 src_mac[6]; __be16 ether_type; __be16 vlan_tag; }; struct ib_uverbs_flow_spec_eth { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; struct ib_uverbs_flow_eth_filter val; struct ib_uverbs_flow_eth_filter mask; }; struct ib_uverbs_flow_ipv4_filter { __be32 src_ip; __be32 dst_ip; __u8 proto; __u8 tos; __u8 ttl; __u8 flags; }; struct ib_uverbs_flow_spec_ipv4 { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; struct ib_uverbs_flow_ipv4_filter val; struct ib_uverbs_flow_ipv4_filter mask; }; struct ib_uverbs_flow_tcp_udp_filter { __be16 dst_port; __be16 src_port; }; struct ib_uverbs_flow_spec_tcp_udp { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; struct ib_uverbs_flow_tcp_udp_filter val; struct ib_uverbs_flow_tcp_udp_filter mask; }; struct ib_uverbs_flow_ipv6_filter { __u8 src_ip[16]; __u8 dst_ip[16]; __be32 flow_label; __u8 next_hdr; __u8 traffic_class; __u8 hop_limit; __u8 reserved; }; struct ib_uverbs_flow_spec_ipv6 { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; struct ib_uverbs_flow_ipv6_filter val; struct ib_uverbs_flow_ipv6_filter mask; }; struct ib_uverbs_flow_spec_action_tag { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; __u32 tag_id; __u32 reserved1; }; struct ib_uverbs_flow_spec_action_drop { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; }; struct ib_uverbs_flow_spec_action_handle { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; __u32 handle; __u32 reserved1; }; struct ib_uverbs_flow_spec_action_count { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; __u32 handle; __u32 reserved1; }; struct ib_uverbs_flow_tunnel_filter { __be32 tunnel_id; }; struct ib_uverbs_flow_spec_tunnel { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; struct ib_uverbs_flow_tunnel_filter val; struct ib_uverbs_flow_tunnel_filter mask; }; struct ib_uverbs_flow_spec_esp_filter { __u32 spi; __u32 seq; }; struct ib_uverbs_flow_spec_esp { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; struct ib_uverbs_flow_spec_esp_filter val; struct ib_uverbs_flow_spec_esp_filter mask; }; struct ib_uverbs_flow_gre_filter { /* c_ks_res0_ver field is bits 0-15 in offset 0 of a standard GRE header: * bit 0 - C - checksum bit. * bit 1 - reserved. set to 0. * bit 2 - key bit. * bit 3 - sequence number bit. * bits 4:12 - reserved. set to 0. * bits 13:15 - GRE version. */ __be16 c_ks_res0_ver; __be16 protocol; __be32 key; }; struct ib_uverbs_flow_spec_gre { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; struct ib_uverbs_flow_gre_filter val; struct ib_uverbs_flow_gre_filter mask; }; struct ib_uverbs_flow_mpls_filter { /* The field includes the entire MPLS label: * bits 0:19 - label field. * bits 20:22 - traffic class field. * bits 23 - bottom of stack bit. * bits 24:31 - ttl field. */ __be32 label; }; struct ib_uverbs_flow_spec_mpls { union { struct ib_uverbs_flow_spec_hdr hdr; struct { __u32 type; __u16 size; __u16 reserved; }; }; struct ib_uverbs_flow_mpls_filter val; struct ib_uverbs_flow_mpls_filter mask; }; struct ib_uverbs_flow_attr { __u32 type; __u16 size; __u16 priority; __u8 num_of_specs; __u8 reserved[2]; __u8 port; __u32 flags; /* Following are the optional layers according to user request * struct ib_flow_spec_xxx * struct ib_flow_spec_yyy */ struct ib_uverbs_flow_spec_hdr flow_specs[]; }; struct ib_uverbs_create_flow { __u32 comp_mask; __u32 qp_handle; struct ib_uverbs_flow_attr flow_attr; }; struct ib_uverbs_create_flow_resp { __u32 comp_mask; __u32 flow_handle; }; struct ib_uverbs_destroy_flow { __u32 comp_mask; __u32 flow_handle; }; struct ib_uverbs_create_srq { __aligned_u64 response; __aligned_u64 user_handle; __u32 pd_handle; __u32 max_wr; __u32 max_sge; __u32 srq_limit; __aligned_u64 driver_data[]; }; struct ib_uverbs_create_xsrq { __aligned_u64 response; __aligned_u64 user_handle; __u32 srq_type; __u32 pd_handle; __u32 max_wr; __u32 max_sge; __u32 srq_limit; __u32 max_num_tags; __u32 xrcd_handle; __u32 cq_handle; __aligned_u64 driver_data[]; }; struct ib_uverbs_create_srq_resp { __u32 srq_handle; __u32 max_wr; __u32 max_sge; __u32 srqn; __u32 driver_data[]; }; struct ib_uverbs_modify_srq { __u32 srq_handle; __u32 attr_mask; __u32 max_wr; __u32 srq_limit; __aligned_u64 driver_data[]; }; struct ib_uverbs_query_srq { __aligned_u64 response; __u32 srq_handle; __u32 reserved; __aligned_u64 driver_data[]; }; struct ib_uverbs_query_srq_resp { __u32 max_wr; __u32 max_sge; __u32 srq_limit; __u32 reserved; }; struct ib_uverbs_destroy_srq { __aligned_u64 response; __u32 srq_handle; __u32 reserved; }; struct ib_uverbs_destroy_srq_resp { __u32 events_reported; }; struct ib_uverbs_ex_create_wq { __u32 comp_mask; __u32 wq_type; __aligned_u64 user_handle; __u32 pd_handle; __u32 cq_handle; __u32 max_wr; __u32 max_sge; __u32 create_flags; /* Use enum ib_wq_flags */ __u32 reserved; }; struct ib_uverbs_ex_create_wq_resp { __u32 comp_mask; __u32 response_length; __u32 wq_handle; __u32 max_wr; __u32 max_sge; __u32 wqn; }; struct ib_uverbs_ex_destroy_wq { __u32 comp_mask; __u32 wq_handle; }; struct ib_uverbs_ex_destroy_wq_resp { __u32 comp_mask; __u32 response_length; __u32 events_reported; __u32 reserved; }; struct ib_uverbs_ex_modify_wq { __u32 attr_mask; __u32 wq_handle; __u32 wq_state; __u32 curr_wq_state; __u32 flags; /* Use enum ib_wq_flags */ __u32 flags_mask; /* Use enum ib_wq_flags */ }; /* Prevent memory allocation rather than max expected size */ #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d struct ib_uverbs_ex_create_rwq_ind_table { __u32 comp_mask; __u32 log_ind_tbl_size; /* Following are the wq handles according to log_ind_tbl_size * wq_handle1 * wq_handle2 */ __u32 wq_handles[]; }; struct ib_uverbs_ex_create_rwq_ind_table_resp { __u32 comp_mask; __u32 response_length; __u32 ind_tbl_handle; __u32 ind_tbl_num; }; struct ib_uverbs_ex_destroy_rwq_ind_table { __u32 comp_mask; __u32 ind_tbl_handle; }; struct ib_uverbs_cq_moderation { __u16 cq_count; __u16 cq_period; }; struct ib_uverbs_ex_modify_cq { __u32 cq_handle; __u32 attr_mask; struct ib_uverbs_cq_moderation attr; __u32 reserved; }; #define IB_DEVICE_NAME_MAX 64 /* * bits 9, 15, 16, 19, 22, 27, 30, 31, 32, 33, 35 and 37 may be set by old * kernels and should not be used. */ enum ib_uverbs_device_cap_flags { IB_UVERBS_DEVICE_RESIZE_MAX_WR = 1 << 0, IB_UVERBS_DEVICE_BAD_PKEY_CNTR = 1 << 1, IB_UVERBS_DEVICE_BAD_QKEY_CNTR = 1 << 2, IB_UVERBS_DEVICE_RAW_MULTI = 1 << 3, IB_UVERBS_DEVICE_AUTO_PATH_MIG = 1 << 4, IB_UVERBS_DEVICE_CHANGE_PHY_PORT = 1 << 5, IB_UVERBS_DEVICE_UD_AV_PORT_ENFORCE = 1 << 6, IB_UVERBS_DEVICE_CURR_QP_STATE_MOD = 1 << 7, IB_UVERBS_DEVICE_SHUTDOWN_PORT = 1 << 8, /* IB_UVERBS_DEVICE_INIT_TYPE = 1 << 9, (not in use) */ IB_UVERBS_DEVICE_PORT_ACTIVE_EVENT = 1 << 10, IB_UVERBS_DEVICE_SYS_IMAGE_GUID = 1 << 11, IB_UVERBS_DEVICE_RC_RNR_NAK_GEN = 1 << 12, IB_UVERBS_DEVICE_SRQ_RESIZE = 1 << 13, IB_UVERBS_DEVICE_N_NOTIFY_CQ = 1 << 14, IB_UVERBS_DEVICE_MEM_WINDOW = 1 << 17, IB_UVERBS_DEVICE_UD_IP_CSUM = 1 << 18, IB_UVERBS_DEVICE_XRC = 1 << 20, IB_UVERBS_DEVICE_MEM_MGT_EXTENSIONS = 1 << 21, IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2A = 1 << 23, IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2B = 1 << 24, IB_UVERBS_DEVICE_RC_IP_CSUM = 1 << 25, /* Deprecated. Please use IB_UVERBS_RAW_PACKET_CAP_IP_CSUM. */ IB_UVERBS_DEVICE_RAW_IP_CSUM = 1 << 26, IB_UVERBS_DEVICE_MANAGED_FLOW_STEERING = 1 << 29, /* Deprecated. Please use IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS. */ IB_UVERBS_DEVICE_RAW_SCATTER_FCS = 1ULL << 34, IB_UVERBS_DEVICE_PCI_WRITE_END_PADDING = 1ULL << 36, /* Flush placement types */ IB_UVERBS_DEVICE_FLUSH_GLOBAL = 1ULL << 38, IB_UVERBS_DEVICE_FLUSH_PERSISTENT = 1ULL << 39, /* Atomic write attributes */ IB_UVERBS_DEVICE_ATOMIC_WRITE = 1ULL << 40, }; enum ib_uverbs_raw_packet_caps { IB_UVERBS_RAW_PACKET_CAP_CVLAN_STRIPPING = 1 << 0, IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS = 1 << 1, IB_UVERBS_RAW_PACKET_CAP_IP_CSUM = 1 << 2, IB_UVERBS_RAW_PACKET_CAP_DELAY_DROP = 1 << 3, }; #endif /* IB_USER_VERBS_H */
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