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
48 IB_USER_VERBS_CMD_GET_CONTEXT,
49 IB_USER_VERBS_CMD_QUERY_DEVICE,
50 IB_USER_VERBS_CMD_QUERY_PORT,
51 IB_USER_VERBS_CMD_ALLOC_PD,
52 IB_USER_VERBS_CMD_DEALLOC_PD,
53 IB_USER_VERBS_CMD_CREATE_AH,
54 IB_USER_VERBS_CMD_MODIFY_AH,
55 IB_USER_VERBS_CMD_QUERY_AH,
56 IB_USER_VERBS_CMD_DESTROY_AH,
57 IB_USER_VERBS_CMD_REG_MR,
58 IB_USER_VERBS_CMD_REG_SMR,
59 IB_USER_VERBS_CMD_REREG_MR,
60 IB_USER_VERBS_CMD_QUERY_MR,
61 IB_USER_VERBS_CMD_DEREG_MR,
62 IB_USER_VERBS_CMD_ALLOC_MW,
63 IB_USER_VERBS_CMD_BIND_MW,
64 IB_USER_VERBS_CMD_DEALLOC_MW,
65 IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
66 IB_USER_VERBS_CMD_CREATE_CQ,
67 IB_USER_VERBS_CMD_RESIZE_CQ,
68 IB_USER_VERBS_CMD_DESTROY_CQ,
69 IB_USER_VERBS_CMD_POLL_CQ,
70 IB_USER_VERBS_CMD_PEEK_CQ,
71 IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
72 IB_USER_VERBS_CMD_CREATE_QP,
73 IB_USER_VERBS_CMD_QUERY_QP,
74 IB_USER_VERBS_CMD_MODIFY_QP,
75 IB_USER_VERBS_CMD_DESTROY_QP,
76 IB_USER_VERBS_CMD_POST_SEND,
77 IB_USER_VERBS_CMD_POST_RECV,
78 IB_USER_VERBS_CMD_ATTACH_MCAST,
79 IB_USER_VERBS_CMD_DETACH_MCAST,
80 IB_USER_VERBS_CMD_CREATE_SRQ,
81 IB_USER_VERBS_CMD_MODIFY_SRQ,
82 IB_USER_VERBS_CMD_QUERY_SRQ,
83 IB_USER_VERBS_CMD_DESTROY_SRQ,
84 IB_USER_VERBS_CMD_POST_SRQ_RECV
88 * Make sure that all structs defined in this file remain laid out so
89 * that they pack the same way on 32-bit and 64-bit architectures (to
90 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
92 * - Do not use pointer types -- pass pointers in __u64 instead.
93 * - Make sure that any structure larger than 4 bytes is padded to a
94 * multiple of 8 bytes. Otherwise the structure size will be
95 * different between 32-bit and 64-bit architectures.
98 struct ib_uverbs_async_event_desc {
100 __u32 event_type; /* enum ib_event_type */
104 struct ib_uverbs_comp_event_desc {
109 * All commands from userspace should start with a __u32 command field
110 * followed by __u16 in_words and out_words fields (which give the
111 * length of the command block and response buffer if any in 32-bit
112 * words). The kernel driver will read these fields first and read
113 * the rest of the command struct based on these value.
116 struct ib_uverbs_cmd_hdr {
122 struct ib_uverbs_get_context {
124 __u64 driver_data[0];
127 struct ib_uverbs_get_context_resp {
129 __u32 num_comp_vectors;
132 struct ib_uverbs_query_device {
134 __u64 driver_data[0];
137 struct ib_uverbs_query_device_resp {
140 __be64 sys_image_guid;
144 __u32 vendor_part_id;
148 __u32 device_cap_flags;
155 __u32 max_qp_rd_atom;
156 __u32 max_ee_rd_atom;
157 __u32 max_res_rd_atom;
158 __u32 max_qp_init_rd_atom;
159 __u32 max_ee_init_rd_atom;
164 __u32 max_raw_ipv6_qp;
165 __u32 max_raw_ethy_qp;
167 __u32 max_mcast_qp_attach;
168 __u32 max_total_mcast_qp_attach;
171 __u32 max_map_per_fmr;
176 __u8 local_ca_ack_delay;
181 struct ib_uverbs_query_port {
185 __u64 driver_data[0];
188 struct ib_uverbs_query_port_resp {
189 __u32 port_cap_flags;
192 __u32 qkey_viol_cntr;
204 __u8 init_type_reply;
211 struct ib_uverbs_alloc_pd {
213 __u64 driver_data[0];
216 struct ib_uverbs_alloc_pd_resp {
220 struct ib_uverbs_dealloc_pd {
224 struct ib_uverbs_reg_mr {
231 __u64 driver_data[0];
234 struct ib_uverbs_reg_mr_resp {
240 struct ib_uverbs_dereg_mr {
244 struct ib_uverbs_create_comp_channel {
248 struct ib_uverbs_create_comp_channel_resp {
252 struct ib_uverbs_create_cq {
259 __u64 driver_data[0];
262 struct ib_uverbs_create_cq_resp {
267 struct ib_uverbs_resize_cq {
271 __u64 driver_data[0];
274 struct ib_uverbs_resize_cq_resp {
277 __u64 driver_data[0];
280 struct ib_uverbs_poll_cq {
286 struct ib_uverbs_wc {
294 __u32 invalidate_rkey;
307 struct ib_uverbs_poll_cq_resp {
310 struct ib_uverbs_wc wc[0];
313 struct ib_uverbs_req_notify_cq {
315 __u32 solicited_only;
318 struct ib_uverbs_destroy_cq {
324 struct ib_uverbs_destroy_cq_resp {
325 __u32 comp_events_reported;
326 __u32 async_events_reported;
329 struct ib_uverbs_global_route {
338 struct ib_uverbs_ah_attr {
339 struct ib_uverbs_global_route grh;
349 struct ib_uverbs_qp_attr {
354 __u32 path_mig_state;
359 __u32 qp_access_flags;
361 struct ib_uverbs_ah_attr ah_attr;
362 struct ib_uverbs_ah_attr alt_ah_attr;
369 __u32 max_inline_data;
372 __u16 alt_pkey_index;
373 __u8 en_sqd_async_notify;
376 __u8 max_dest_rd_atomic;
387 struct ib_uverbs_create_qp {
391 __u32 send_cq_handle;
392 __u32 recv_cq_handle;
398 __u32 max_inline_data;
403 __u64 driver_data[0];
406 struct ib_uverbs_create_qp_resp {
413 __u32 max_inline_data;
418 * This struct needs to remain a multiple of 8 bytes to keep the
419 * alignment of the modify QP parameters.
421 struct ib_uverbs_qp_dest {
436 struct ib_uverbs_query_qp {
440 __u64 driver_data[0];
443 struct ib_uverbs_query_qp_resp {
444 struct ib_uverbs_qp_dest dest;
445 struct ib_uverbs_qp_dest alt_dest;
450 __u32 max_inline_data;
455 __u32 qp_access_flags;
457 __u16 alt_pkey_index;
464 __u8 max_dest_rd_atomic;
474 __u64 driver_data[0];
477 struct ib_uverbs_modify_qp {
478 struct ib_uverbs_qp_dest dest;
479 struct ib_uverbs_qp_dest alt_dest;
486 __u32 qp_access_flags;
488 __u16 alt_pkey_index;
493 __u8 en_sqd_async_notify;
495 __u8 max_dest_rd_atomic;
504 __u64 driver_data[0];
507 struct ib_uverbs_modify_qp_resp {
510 struct ib_uverbs_destroy_qp {
516 struct ib_uverbs_destroy_qp_resp {
517 __u32 events_reported;
521 * The ib_uverbs_sge structure isn't used anywhere, since we assume
522 * the ib_sge structure is packed the same way on 32-bit and 64-bit
523 * architectures in both kernel and user space. It's just here to
526 struct ib_uverbs_sge {
532 struct ib_uverbs_send_wr {
539 __u32 invalidate_rkey;
563 struct ib_uverbs_post_send {
569 struct ib_uverbs_send_wr send_wr[0];
572 struct ib_uverbs_post_send_resp {
576 struct ib_uverbs_recv_wr {
582 struct ib_uverbs_post_recv {
588 struct ib_uverbs_recv_wr recv_wr[0];
591 struct ib_uverbs_post_recv_resp {
595 struct ib_uverbs_post_srq_recv {
601 struct ib_uverbs_recv_wr recv[0];
604 struct ib_uverbs_post_srq_recv_resp {
608 struct ib_uverbs_create_ah {
613 struct ib_uverbs_ah_attr attr;
616 struct ib_uverbs_create_ah_resp {
620 struct ib_uverbs_destroy_ah {
624 struct ib_uverbs_attach_mcast {
629 __u64 driver_data[0];
632 struct ib_uverbs_detach_mcast {
637 __u64 driver_data[0];
640 struct ib_uverbs_create_srq {
647 __u64 driver_data[0];
650 struct ib_uverbs_create_srq_resp {
657 struct ib_uverbs_modify_srq {
662 __u64 driver_data[0];
665 struct ib_uverbs_query_srq {
669 __u64 driver_data[0];
672 struct ib_uverbs_query_srq_resp {
679 struct ib_uverbs_destroy_srq {
685 struct ib_uverbs_destroy_srq_resp {
686 __u32 events_reported;
689 #endif /* IB_USER_VERBS_H */