2 * Copyright (c) 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
4 * Copyright (c) 2005 PathScale, Inc. All rights reserved.
5 * Copyright (c) 2006 Mellanox Technologies. All rights reserved.
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #ifndef IB_USER_VERBS_H
37 #define IB_USER_VERBS_H
39 #include <linux/types.h>
42 * Increment this value if any changes that break userspace ABI
43 * compatibility are made.
45 #define IB_USER_VERBS_ABI_VERSION 6
46 #define IB_USER_VERBS_CMD_THRESHOLD 50
49 IB_USER_VERBS_CMD_GET_CONTEXT,
50 IB_USER_VERBS_CMD_QUERY_DEVICE,
51 IB_USER_VERBS_CMD_QUERY_PORT,
52 IB_USER_VERBS_CMD_ALLOC_PD,
53 IB_USER_VERBS_CMD_DEALLOC_PD,
54 IB_USER_VERBS_CMD_CREATE_AH,
55 IB_USER_VERBS_CMD_MODIFY_AH,
56 IB_USER_VERBS_CMD_QUERY_AH,
57 IB_USER_VERBS_CMD_DESTROY_AH,
58 IB_USER_VERBS_CMD_REG_MR,
59 IB_USER_VERBS_CMD_REG_SMR,
60 IB_USER_VERBS_CMD_REREG_MR,
61 IB_USER_VERBS_CMD_QUERY_MR,
62 IB_USER_VERBS_CMD_DEREG_MR,
63 IB_USER_VERBS_CMD_ALLOC_MW,
64 IB_USER_VERBS_CMD_BIND_MW,
65 IB_USER_VERBS_CMD_DEALLOC_MW,
66 IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
67 IB_USER_VERBS_CMD_CREATE_CQ,
68 IB_USER_VERBS_CMD_RESIZE_CQ,
69 IB_USER_VERBS_CMD_DESTROY_CQ,
70 IB_USER_VERBS_CMD_POLL_CQ,
71 IB_USER_VERBS_CMD_PEEK_CQ,
72 IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
73 IB_USER_VERBS_CMD_CREATE_QP,
74 IB_USER_VERBS_CMD_QUERY_QP,
75 IB_USER_VERBS_CMD_MODIFY_QP,
76 IB_USER_VERBS_CMD_DESTROY_QP,
77 IB_USER_VERBS_CMD_POST_SEND,
78 IB_USER_VERBS_CMD_POST_RECV,
79 IB_USER_VERBS_CMD_ATTACH_MCAST,
80 IB_USER_VERBS_CMD_DETACH_MCAST,
81 IB_USER_VERBS_CMD_CREATE_SRQ,
82 IB_USER_VERBS_CMD_MODIFY_SRQ,
83 IB_USER_VERBS_CMD_QUERY_SRQ,
84 IB_USER_VERBS_CMD_DESTROY_SRQ,
85 IB_USER_VERBS_CMD_POST_SRQ_RECV,
86 IB_USER_VERBS_CMD_OPEN_XRCD,
87 IB_USER_VERBS_CMD_CLOSE_XRCD,
88 IB_USER_VERBS_CMD_CREATE_XSRQ,
89 IB_USER_VERBS_CMD_OPEN_QP,
93 IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE,
94 IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ,
95 IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
96 IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
100 * Make sure that all structs defined in this file remain laid out so
101 * that they pack the same way on 32-bit and 64-bit architectures (to
102 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
104 * - Do not use pointer types -- pass pointers in __u64 instead.
105 * - Make sure that any structure larger than 4 bytes is padded to a
106 * multiple of 8 bytes. Otherwise the structure size will be
107 * different between 32-bit and 64-bit architectures.
110 struct ib_uverbs_async_event_desc {
112 __u32 event_type; /* enum ib_event_type */
116 struct ib_uverbs_comp_event_desc {
121 * All commands from userspace should start with a __u32 command field
122 * followed by __u16 in_words and out_words fields (which give the
123 * length of the command block and response buffer if any in 32-bit
124 * words). The kernel driver will read these fields first and read
125 * the rest of the command struct based on these value.
128 #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff
129 #define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u
130 #define IB_USER_VERBS_CMD_FLAGS_SHIFT 24
132 #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80
134 struct ib_uverbs_cmd_hdr {
140 struct ib_uverbs_ex_cmd_hdr {
142 __u16 provider_in_words;
143 __u16 provider_out_words;
144 __u32 cmd_hdr_reserved;
147 struct ib_uverbs_get_context {
149 __u64 driver_data[0];
152 struct ib_uverbs_get_context_resp {
154 __u32 num_comp_vectors;
157 struct ib_uverbs_query_device {
159 __u64 driver_data[0];
162 struct ib_uverbs_query_device_resp {
165 __be64 sys_image_guid;
169 __u32 vendor_part_id;
173 __u32 device_cap_flags;
180 __u32 max_qp_rd_atom;
181 __u32 max_ee_rd_atom;
182 __u32 max_res_rd_atom;
183 __u32 max_qp_init_rd_atom;
184 __u32 max_ee_init_rd_atom;
189 __u32 max_raw_ipv6_qp;
190 __u32 max_raw_ethy_qp;
192 __u32 max_mcast_qp_attach;
193 __u32 max_total_mcast_qp_attach;
196 __u32 max_map_per_fmr;
201 __u8 local_ca_ack_delay;
206 struct ib_uverbs_ex_query_device {
211 struct ib_uverbs_odp_caps {
217 } per_transport_caps;
221 struct ib_uverbs_ex_query_device_resp {
222 struct ib_uverbs_query_device_resp base;
224 __u32 response_length;
225 struct ib_uverbs_odp_caps odp_caps;
226 __u64 timestamp_mask;
227 __u64 hca_core_clock; /* in KHZ */
230 struct ib_uverbs_query_port {
234 __u64 driver_data[0];
237 struct ib_uverbs_query_port_resp {
238 __u32 port_cap_flags;
241 __u32 qkey_viol_cntr;
253 __u8 init_type_reply;
261 struct ib_uverbs_alloc_pd {
263 __u64 driver_data[0];
266 struct ib_uverbs_alloc_pd_resp {
270 struct ib_uverbs_dealloc_pd {
274 struct ib_uverbs_open_xrcd {
278 __u64 driver_data[0];
281 struct ib_uverbs_open_xrcd_resp {
285 struct ib_uverbs_close_xrcd {
289 struct ib_uverbs_reg_mr {
296 __u64 driver_data[0];
299 struct ib_uverbs_reg_mr_resp {
305 struct ib_uverbs_rereg_mr {
316 struct ib_uverbs_rereg_mr_resp {
321 struct ib_uverbs_dereg_mr {
325 struct ib_uverbs_alloc_mw {
332 struct ib_uverbs_alloc_mw_resp {
337 struct ib_uverbs_dealloc_mw {
341 struct ib_uverbs_create_comp_channel {
345 struct ib_uverbs_create_comp_channel_resp {
349 struct ib_uverbs_create_cq {
356 __u64 driver_data[0];
359 struct ib_uverbs_ex_create_cq {
369 struct ib_uverbs_create_cq_resp {
374 struct ib_uverbs_ex_create_cq_resp {
375 struct ib_uverbs_create_cq_resp base;
377 __u32 response_length;
380 struct ib_uverbs_resize_cq {
384 __u64 driver_data[0];
387 struct ib_uverbs_resize_cq_resp {
390 __u64 driver_data[0];
393 struct ib_uverbs_poll_cq {
399 struct ib_uverbs_wc {
407 __u32 invalidate_rkey;
420 struct ib_uverbs_poll_cq_resp {
423 struct ib_uverbs_wc wc[0];
426 struct ib_uverbs_req_notify_cq {
428 __u32 solicited_only;
431 struct ib_uverbs_destroy_cq {
437 struct ib_uverbs_destroy_cq_resp {
438 __u32 comp_events_reported;
439 __u32 async_events_reported;
442 struct ib_uverbs_global_route {
451 struct ib_uverbs_ah_attr {
452 struct ib_uverbs_global_route grh;
462 struct ib_uverbs_qp_attr {
467 __u32 path_mig_state;
472 __u32 qp_access_flags;
474 struct ib_uverbs_ah_attr ah_attr;
475 struct ib_uverbs_ah_attr alt_ah_attr;
482 __u32 max_inline_data;
485 __u16 alt_pkey_index;
486 __u8 en_sqd_async_notify;
489 __u8 max_dest_rd_atomic;
500 struct ib_uverbs_create_qp {
504 __u32 send_cq_handle;
505 __u32 recv_cq_handle;
511 __u32 max_inline_data;
516 __u64 driver_data[0];
519 struct ib_uverbs_open_qp {
526 __u64 driver_data[0];
529 /* also used for open response */
530 struct ib_uverbs_create_qp_resp {
537 __u32 max_inline_data;
542 * This struct needs to remain a multiple of 8 bytes to keep the
543 * alignment of the modify QP parameters.
545 struct ib_uverbs_qp_dest {
560 struct ib_uverbs_query_qp {
564 __u64 driver_data[0];
567 struct ib_uverbs_query_qp_resp {
568 struct ib_uverbs_qp_dest dest;
569 struct ib_uverbs_qp_dest alt_dest;
574 __u32 max_inline_data;
579 __u32 qp_access_flags;
581 __u16 alt_pkey_index;
588 __u8 max_dest_rd_atomic;
598 __u64 driver_data[0];
601 struct ib_uverbs_modify_qp {
602 struct ib_uverbs_qp_dest dest;
603 struct ib_uverbs_qp_dest alt_dest;
610 __u32 qp_access_flags;
612 __u16 alt_pkey_index;
617 __u8 en_sqd_async_notify;
619 __u8 max_dest_rd_atomic;
628 __u64 driver_data[0];
631 struct ib_uverbs_modify_qp_resp {
634 struct ib_uverbs_destroy_qp {
640 struct ib_uverbs_destroy_qp_resp {
641 __u32 events_reported;
645 * The ib_uverbs_sge structure isn't used anywhere, since we assume
646 * the ib_sge structure is packed the same way on 32-bit and 64-bit
647 * architectures in both kernel and user space. It's just here to
650 struct ib_uverbs_sge {
656 struct ib_uverbs_send_wr {
663 __u32 invalidate_rkey;
687 struct ib_uverbs_post_send {
693 struct ib_uverbs_send_wr send_wr[0];
696 struct ib_uverbs_post_send_resp {
700 struct ib_uverbs_recv_wr {
706 struct ib_uverbs_post_recv {
712 struct ib_uverbs_recv_wr recv_wr[0];
715 struct ib_uverbs_post_recv_resp {
719 struct ib_uverbs_post_srq_recv {
725 struct ib_uverbs_recv_wr recv[0];
728 struct ib_uverbs_post_srq_recv_resp {
732 struct ib_uverbs_create_ah {
737 struct ib_uverbs_ah_attr attr;
740 struct ib_uverbs_create_ah_resp {
744 struct ib_uverbs_destroy_ah {
748 struct ib_uverbs_attach_mcast {
753 __u64 driver_data[0];
756 struct ib_uverbs_detach_mcast {
761 __u64 driver_data[0];
764 struct ib_uverbs_flow_spec_hdr {
768 /* followed by flow_spec */
769 __u64 flow_spec_data[0];
772 struct ib_uverbs_flow_eth_filter {
779 struct ib_uverbs_flow_spec_eth {
781 struct ib_uverbs_flow_spec_hdr hdr;
788 struct ib_uverbs_flow_eth_filter val;
789 struct ib_uverbs_flow_eth_filter mask;
792 struct ib_uverbs_flow_ipv4_filter {
797 struct ib_uverbs_flow_spec_ipv4 {
799 struct ib_uverbs_flow_spec_hdr hdr;
806 struct ib_uverbs_flow_ipv4_filter val;
807 struct ib_uverbs_flow_ipv4_filter mask;
810 struct ib_uverbs_flow_tcp_udp_filter {
815 struct ib_uverbs_flow_spec_tcp_udp {
817 struct ib_uverbs_flow_spec_hdr hdr;
824 struct ib_uverbs_flow_tcp_udp_filter val;
825 struct ib_uverbs_flow_tcp_udp_filter mask;
828 struct ib_uverbs_flow_attr {
836 /* Following are the optional layers according to user request
837 * struct ib_flow_spec_xxx
838 * struct ib_flow_spec_yyy
840 struct ib_uverbs_flow_spec_hdr flow_specs[0];
843 struct ib_uverbs_create_flow {
846 struct ib_uverbs_flow_attr flow_attr;
849 struct ib_uverbs_create_flow_resp {
854 struct ib_uverbs_destroy_flow {
859 struct ib_uverbs_create_srq {
866 __u64 driver_data[0];
869 struct ib_uverbs_create_xsrq {
880 __u64 driver_data[0];
883 struct ib_uverbs_create_srq_resp {
890 struct ib_uverbs_modify_srq {
895 __u64 driver_data[0];
898 struct ib_uverbs_query_srq {
902 __u64 driver_data[0];
905 struct ib_uverbs_query_srq_resp {
912 struct ib_uverbs_destroy_srq {
918 struct ib_uverbs_destroy_srq_resp {
919 __u32 events_reported;
922 #endif /* IB_USER_VERBS_H */