/* * 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. * * $Id: ib_user_verbs.h 4019 2005-11-11 00:33:09Z sean.hefty $ */ #ifndef IB_USER_VERBS_H #define IB_USER_VERBS_H #include /* * Increment this value if any changes that break userspace ABI * compatibility are made. */ #define IB_USER_VERBS_ABI_VERSION 6 enum { 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 }; /* * 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 { __u64 element; __u32 event_type; /* enum ib_event_type */ __u32 reserved; }; struct ib_uverbs_comp_event_desc { __u64 cq_handle; }; /* * 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. */ struct ib_uverbs_cmd_hdr { __u32 command; __u16 in_words; __u16 out_words; }; struct ib_uverbs_get_context { __u64 response; __u64 driver_data[0]; }; struct ib_uverbs_get_context_resp { __u32 async_fd; __u32 num_comp_vectors; }; struct ib_uverbs_query_device { __u64 response; __u64 driver_data[0]; }; struct ib_uverbs_query_device_resp { __u64 fw_ver; __be64 node_guid; __be64 sys_image_guid; __u64 max_mr_size; __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_query_port { __u64 response; __u8 port_num; __u8 reserved[7]; __u64 driver_data[0]; }; struct ib_uverbs_query_port_resp { __u32 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 reserved[3]; }; struct ib_uverbs_alloc_pd { __u64 response; __u64 driver_data[0]; }; struct ib_uverbs_alloc_pd_resp { __u32 pd_handle; }; struct ib_uverbs_dealloc_pd { __u32 pd_handle; }; struct ib_uverbs_reg_mr { __u64 response; __u64 start; __u64 length; __u64 hca_va; __u32 pd_handle; __u32 access_flags; __u64 driver_data[0]; }; struct ib_uverbs_reg_mr_resp { __u32 mr_handle; __u32 lkey; __u32 rkey; }; struct ib_uverbs_dereg_mr { __u32 mr_handle; }; struct ib_uverbs_create_comp_channel { __u64 response; }; struct ib_uverbs_create_comp_channel_resp { __u32 fd; }; struct ib_uverbs_create_cq { __u64 response; __u64 user_handle; __u32 cqe; __u32 comp_vector; __s32 comp_channel; __u32 reserved; __u64 driver_data[0]; }; struct ib_uverbs_create_cq_resp { __u32 cq_handle; __u32 cqe; }; struct ib_uverbs_resize_cq { __u64 response; __u32 cq_handle; __u32 cqe; __u64 driver_data[0]; }; struct ib_uverbs_resize_cq_resp { __u32 cqe; __u32 reserved; __u64 driver_data[0]; }; struct ib_uverbs_poll_cq { __u64 response; __u32 cq_handle; __u32 ne; }; struct ib_uverbs_wc { __u64 wr_id; __u32 status; __u32 opcode; __u32 vendor_err; __u32 byte_len; __u32 imm_data; __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[0]; }; struct ib_uverbs_req_notify_cq { __u32 cq_handle; __u32 solicited_only; }; struct ib_uverbs_destroy_cq { __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 { __u64 response; __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; __u64 driver_data[0]; }; 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; }; /* * 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 { __u64 response; __u32 qp_handle; __u32 attr_mask; __u64 driver_data[0]; }; 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]; __u64 driver_data[0]; }; 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]; __u64 driver_data[0]; }; struct ib_uverbs_modify_qp_resp { }; struct ib_uverbs_destroy_qp { __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 { __u64 addr; __u32 length; __u32 lkey; }; struct ib_uverbs_send_wr { __u64 wr_id; __u32 num_sge; __u32 opcode; __u32 send_flags; __u32 imm_data; union { struct { __u64 remote_addr; __u32 rkey; __u32 reserved; } rdma; struct { __u64 remote_addr; __u64 compare_add; __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 { __u64 response; __u32 qp_handle; __u32 wr_count; __u32 sge_count; __u32 wqe_size; struct ib_uverbs_send_wr send_wr[0]; }; struct ib_uverbs_post_send_resp { __u32 bad_wr; }; struct ib_uverbs_recv_wr { __u64 wr_id; __u32 num_sge; __u32 reserved; }; struct ib_uverbs_post_recv { __u64 response; __u32 qp_handle; __u32 wr_count; __u32 sge_count; __u32 wqe_size; struct ib_uverbs_recv_wr recv_wr[0]; }; struct ib_uverbs_post_recv_resp { __u32 bad_wr; }; struct ib_uverbs_post_srq_recv { __u64 response; __u32 srq_handle; __u32 wr_count; __u32 sge_count; __u32 wqe_size; struct ib_uverbs_recv_wr recv[0]; }; struct ib_uverbs_post_srq_recv_resp { __u32 bad_wr; }; struct ib_uverbs_create_ah { __u64 response; __u64 user_handle; __u32 pd_handle; __u32 reserved; struct ib_uverbs_ah_attr attr; }; struct ib_uverbs_create_ah_resp { __u32 ah_handle; }; struct ib_uverbs_destroy_ah { __u32 ah_handle; }; struct ib_uverbs_attach_mcast { __u8 gid[16]; __u32 qp_handle; __u16 mlid; __u16 reserved; __u64 driver_data[0]; }; struct ib_uverbs_detach_mcast { __u8 gid[16]; __u32 qp_handle; __u16 mlid; __u16 reserved; __u64 driver_data[0]; }; struct ib_uverbs_create_srq { __u64 response; __u64 user_handle; __u32 pd_handle; __u32 max_wr; __u32 max_sge; __u32 srq_limit; __u64 driver_data[0]; }; struct ib_uverbs_create_srq_resp { __u32 srq_handle; __u32 max_wr; __u32 max_sge; __u32 reserved; }; struct ib_uverbs_modify_srq { __u32 srq_handle; __u32 attr_mask; __u32 max_wr; __u32 srq_limit; __u64 driver_data[0]; }; struct ib_uverbs_query_srq { __u64 response; __u32 srq_handle; __u32 reserved; __u64 driver_data[0]; }; struct ib_uverbs_query_srq_resp { __u32 max_wr; __u32 max_sge; __u32 srq_limit; __u32 reserved; }; struct ib_uverbs_destroy_srq { __u64 response; __u32 srq_handle; __u32 reserved; }; struct ib_uverbs_destroy_srq_resp { __u32 events_reported; }; #endif /* IB_USER_VERBS_H */