xref: /NextBSD/sys/ofed/include/rdma/ib_user_verbs_exp.h (revision 287e3b14e9552995def1802ec9c5034f4adf28ec)
1 /*
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.
6  *
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:
12  *
13  *     Redistribution and use in source and binary forms, with or
14  *     without modification, are permitted provided that the following
15  *     conditions are met:
16  *
17  *      - Redistributions of source code must retain the above
18  *        copyright notice, this list of conditions and the following
19  *        disclaimer.
20  *
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.
25  *
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
33  * SOFTWARE.
34  */
35 
36 #ifndef IB_USER_VERBS_EXP_H
37 #define IB_USER_VERBS_EXP_H
38 
39 #include <rdma/ib_user_verbs.h>
40 
41 enum {
42 	IB_USER_VERBS_EXP_CMD_FIRST = 64
43 };
44 
45 enum {
46 	IB_USER_VERBS_EXP_CMD_CREATE_QP,
47 	IB_USER_VERBS_EXP_CMD_MODIFY_CQ,
48 	IB_USER_VERBS_EXP_CMD_MODIFY_QP,
49 	IB_USER_VERBS_EXP_CMD_CREATE_CQ,
50 	IB_USER_VERBS_EXP_CMD_QUERY_DEVICE,
51 	IB_USER_VERBS_EXP_CMD_CREATE_DCT,
52 	IB_USER_VERBS_EXP_CMD_DESTROY_DCT,
53 	IB_USER_VERBS_EXP_CMD_QUERY_DCT,
54 };
55 
56 /*
57  * Make sure that all structs defined in this file remain laid out so
58  * that they pack the same way on 32-bit and 64-bit architectures (to
59  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
60  * Specifically:
61  *  - Do not use pointer types -- pass pointers in __u64 instead.
62  *  - Make sure that any structure larger than 4 bytes is padded to a
63  *    multiple of 8 bytes.  Otherwise the structure size will be
64  *    different between 32-bit and 64-bit architectures.
65  */
66 
67 enum ib_uverbs_exp_create_qp_comp_mask {
68 	IB_UVERBS_EXP_CREATE_QP_CAP_FLAGS          = (1ULL << 0),
69 	IB_UVERBS_EXP_CREATE_QP_INL_RECV           = (1ULL << 1),
70 	IB_UVERBS_EXP_CREATE_QP_QPG                = (1ULL << 2)
71 };
72 
73 struct ib_uverbs_qpg_init_attrib {
74 	__u32 tss_child_count;
75 	__u32 rss_child_count;
76 };
77 
78 struct ib_uverbs_qpg {
79 	__u32 qpg_type;
80 	union {
81 		struct {
82 			__u32 parent_handle;
83 			__u32 reserved;
84 		};
85 		struct ib_uverbs_qpg_init_attrib parent_attrib;
86 	};
87 	__u32 reserved2;
88 };
89 
90 struct ib_uverbs_exp_create_qp {
91 	__u64 comp_mask;
92 	__u64 user_handle;
93 	__u32 pd_handle;
94 	__u32 send_cq_handle;
95 	__u32 recv_cq_handle;
96 	__u32 srq_handle;
97 	__u32 max_send_wr;
98 	__u32 max_recv_wr;
99 	__u32 max_send_sge;
100 	__u32 max_recv_sge;
101 	__u32 max_inline_data;
102 	__u8  sq_sig_all;
103 	__u8  qp_type;
104 	__u8  is_srq;
105 	__u8  reserved;
106 	__u64 qp_cap_flags;
107 	__u32 max_inl_recv;
108 	__u32 reserved1;
109 	struct ib_uverbs_qpg qpg;
110 	__u64 driver_data[0];
111 };
112 
113 enum ib_uverbs_exp_create_qp_resp_comp_mask {
114 	IB_UVERBS_EXP_CREATE_QP_RESP_INL_RECV	= (1ULL << 0),
115 };
116 
117 struct ib_uverbs_exp_create_qp_resp {
118 	__u64 comp_mask;
119 	__u32 qp_handle;
120 	__u32 qpn;
121 	__u32 max_send_wr;
122 	__u32 max_recv_wr;
123 	__u32 max_send_sge;
124 	__u32 max_recv_sge;
125 	__u32 max_inline_data;
126 	__u32 max_inl_recv;
127 };
128 
129 struct ib_uverbs_create_dct {
130 	__u64	comp_mask;
131 	__u64	user_handle;
132 	__u32	pd_handle;
133 	__u32	cq_handle;
134 	__u32	srq_handle;
135 	__u32	access_flags;
136 	__u32	flow_label;
137 	__u64	dc_key;
138 	__u8	min_rnr_timer;
139 	__u8	tclass;
140 	__u8	port;
141 	__u8	pkey_index;
142 	__u8	gid_index;
143 	__u8	hop_limit;
144 	__u8	mtu;
145 	__u8	rsvd;
146 	__u32	create_flags;
147 	__u64	driver_data[0];
148 };
149 
150 struct ib_uverbs_create_dct_resp {
151 	__u32 dct_handle;
152 	__u32 dctn;
153 };
154 
155 struct ib_uverbs_destroy_dct {
156 	__u64 comp_mask;
157 	__u64 user_handle;
158 };
159 
160 struct ib_uverbs_destroy_dct_resp {
161 	__u64	reserved;
162 };
163 
164 struct ib_uverbs_query_dct {
165 	__u64	comp_mask;
166 	__u64	dct_handle;
167 	__u64	driver_data[0];
168 };
169 
170 struct ib_uverbs_query_dct_resp {
171 	__u64	dc_key;
172 	__u32	access_flags;
173 	__u32	flow_label;
174 	__u32	key_violations;
175 	__u8	port;
176 	__u8	min_rnr_timer;
177 	__u8	tclass;
178 	__u8	mtu;
179 	__u8	pkey_index;
180 	__u8	gid_index;
181 	__u8	hop_limit;
182 	__u8	state;
183 	__u32	rsvd;
184 	__u64	driver_data[0];
185 };
186 
187 struct ib_uverbs_exp_query_device {
188 	__u64 comp_mask;
189 	__u64 driver_data[0];
190 };
191 
192 struct ib_uverbs_exp_query_device_resp {
193 	__u64					comp_mask;
194 	struct ib_uverbs_query_device_resp	base;
195 	__u64					timestamp_mask;
196 	__u64					hca_core_clock;
197 	__u64					device_cap_flags2;
198 	__u32					dc_rd_req;
199 	__u32					dc_rd_res;
200 	__u32					inline_recv_sz;
201 	__u32					max_rss_tbl_sz;
202 };
203 
204 #endif /* IB_USER_VERBS_EXP_H */
205