xref: /OK3568_Linux_fs/kernel/include/uapi/rdma/i40iw-abi.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2006 - 2016 Intel Corporation.  All rights reserved.
3*4882a593Smuzhiyun  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
4*4882a593Smuzhiyun  * Copyright (c) 2005 Cisco Systems.  All rights reserved.
5*4882a593Smuzhiyun  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * This software is available to you under a choice of one of two
8*4882a593Smuzhiyun  * licenses.  You may choose to be licensed under the terms of the GNU
9*4882a593Smuzhiyun  * General Public License (GPL) Version 2, available from the file
10*4882a593Smuzhiyun  * COPYING in the main directory of this source tree, or the
11*4882a593Smuzhiyun  * OpenIB.org BSD license below:
12*4882a593Smuzhiyun  *
13*4882a593Smuzhiyun  *     Redistribution and use in source and binary forms, with or
14*4882a593Smuzhiyun  *     without modification, are permitted provided that the following
15*4882a593Smuzhiyun  *     conditions are met:
16*4882a593Smuzhiyun  *
17*4882a593Smuzhiyun  *      - Redistributions of source code must retain the above
18*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
19*4882a593Smuzhiyun  *        disclaimer.
20*4882a593Smuzhiyun  *
21*4882a593Smuzhiyun  *      - Redistributions in binary form must reproduce the above
22*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
23*4882a593Smuzhiyun  *        disclaimer in the documentation and/or other materials
24*4882a593Smuzhiyun  *        provided with the distribution.
25*4882a593Smuzhiyun  *
26*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27*4882a593Smuzhiyun  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28*4882a593Smuzhiyun  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29*4882a593Smuzhiyun  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30*4882a593Smuzhiyun  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31*4882a593Smuzhiyun  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32*4882a593Smuzhiyun  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33*4882a593Smuzhiyun  * SOFTWARE.
34*4882a593Smuzhiyun  *
35*4882a593Smuzhiyun  */
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #ifndef I40IW_ABI_H
38*4882a593Smuzhiyun #define I40IW_ABI_H
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun #include <linux/types.h>
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun #define I40IW_ABI_VER 5
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun struct i40iw_alloc_ucontext_req {
45*4882a593Smuzhiyun 	__u32 reserved32;
46*4882a593Smuzhiyun 	__u8 userspace_ver;
47*4882a593Smuzhiyun 	__u8 reserved8[3];
48*4882a593Smuzhiyun };
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun struct i40iw_alloc_ucontext_resp {
51*4882a593Smuzhiyun 	__u32 max_pds;		/* maximum pds allowed for this user process */
52*4882a593Smuzhiyun 	__u32 max_qps;		/* maximum qps allowed for this user process */
53*4882a593Smuzhiyun 	__u32 wq_size;		/* size of the WQs (sq+rq) allocated to the mmaped area */
54*4882a593Smuzhiyun 	__u8 kernel_ver;
55*4882a593Smuzhiyun 	__u8 reserved[3];
56*4882a593Smuzhiyun };
57*4882a593Smuzhiyun 
58*4882a593Smuzhiyun struct i40iw_alloc_pd_resp {
59*4882a593Smuzhiyun 	__u32 pd_id;
60*4882a593Smuzhiyun 	__u8 reserved[4];
61*4882a593Smuzhiyun };
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun struct i40iw_create_cq_req {
64*4882a593Smuzhiyun 	__aligned_u64 user_cq_buffer;
65*4882a593Smuzhiyun 	__aligned_u64 user_shadow_area;
66*4882a593Smuzhiyun };
67*4882a593Smuzhiyun 
68*4882a593Smuzhiyun struct i40iw_create_qp_req {
69*4882a593Smuzhiyun 	__aligned_u64 user_wqe_buffers;
70*4882a593Smuzhiyun 	__aligned_u64 user_compl_ctx;
71*4882a593Smuzhiyun 
72*4882a593Smuzhiyun 	/* UDA QP PHB */
73*4882a593Smuzhiyun 	__aligned_u64 user_sq_phb;	/* place for VA of the sq phb buff */
74*4882a593Smuzhiyun 	__aligned_u64 user_rq_phb;	/* place for VA of the rq phb buff */
75*4882a593Smuzhiyun };
76*4882a593Smuzhiyun 
77*4882a593Smuzhiyun enum i40iw_memreg_type {
78*4882a593Smuzhiyun 	IW_MEMREG_TYPE_MEM = 0x0000,
79*4882a593Smuzhiyun 	IW_MEMREG_TYPE_QP = 0x0001,
80*4882a593Smuzhiyun 	IW_MEMREG_TYPE_CQ = 0x0002,
81*4882a593Smuzhiyun };
82*4882a593Smuzhiyun 
83*4882a593Smuzhiyun struct i40iw_mem_reg_req {
84*4882a593Smuzhiyun 	__u16 reg_type;		/* Memory, QP or CQ */
85*4882a593Smuzhiyun 	__u16 cq_pages;
86*4882a593Smuzhiyun 	__u16 rq_pages;
87*4882a593Smuzhiyun 	__u16 sq_pages;
88*4882a593Smuzhiyun };
89*4882a593Smuzhiyun 
90*4882a593Smuzhiyun struct i40iw_create_cq_resp {
91*4882a593Smuzhiyun 	__u32 cq_id;
92*4882a593Smuzhiyun 	__u32 cq_size;
93*4882a593Smuzhiyun 	__u32 mmap_db_index;
94*4882a593Smuzhiyun 	__u32 reserved;
95*4882a593Smuzhiyun };
96*4882a593Smuzhiyun 
97*4882a593Smuzhiyun struct i40iw_create_qp_resp {
98*4882a593Smuzhiyun 	__u32 qp_id;
99*4882a593Smuzhiyun 	__u32 actual_sq_size;
100*4882a593Smuzhiyun 	__u32 actual_rq_size;
101*4882a593Smuzhiyun 	__u32 i40iw_drv_opt;
102*4882a593Smuzhiyun 	__u16 push_idx;
103*4882a593Smuzhiyun 	__u8  lsmm;
104*4882a593Smuzhiyun 	__u8  rsvd2;
105*4882a593Smuzhiyun };
106*4882a593Smuzhiyun 
107*4882a593Smuzhiyun #endif
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