xref: /freebsd/contrib/ofed/libirdma/i40iw_hw.h (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
1 /*-
2  * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
3  *
4  * Copyright (c) 2015 - 2020 Intel Corporation
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenFabrics.org BSD license below:
11  *
12  *   Redistribution and use in source and binary forms, with or
13  *   without modification, are permitted provided that the following
14  *   conditions are met:
15  *
16  *    - Redistributions of source code must retain the above
17  *	copyright notice, this list of conditions and the following
18  *	disclaimer.
19  *
20  *    - Redistributions in binary form must reproduce the above
21  *	copyright notice, this list of conditions and the following
22  *	disclaimer in the documentation and/or other materials
23  *	provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  */
34 /*$FreeBSD$*/
35 
36 #ifndef I40IW_HW_H
37 #define I40IW_HW_H
38 
39 enum i40iw_device_caps_const {
40 	I40IW_MAX_WQ_FRAGMENT_COUNT		= 3,
41 	I40IW_MAX_SGE_RD			= 1,
42 	I40IW_MAX_PUSH_PAGE_COUNT		= 0,
43 	I40IW_MAX_INLINE_DATA_SIZE		= 48,
44 	I40IW_MAX_IRD_SIZE			= 63,
45 	I40IW_MAX_ORD_SIZE			= 127,
46 	I40IW_MAX_WQ_ENTRIES			= 2048,
47 	I40IW_MAX_WQE_SIZE_RQ			= 128,
48 	I40IW_MAX_PDS				= 32768,
49 	I40IW_MAX_STATS_COUNT			= 16,
50 	I40IW_MAX_CQ_SIZE			= 1048575,
51 	I40IW_MAX_OUTBOUND_MSG_SIZE		= 2147483647,
52 	I40IW_MAX_INBOUND_MSG_SIZE		= 2147483647,
53 };
54 
55 #define I40IW_QP_WQE_MIN_SIZE   32
56 #define I40IW_QP_WQE_MAX_SIZE   128
57 #define I40IW_QP_SW_MIN_WQSIZE  4
58 #define I40IW_MAX_RQ_WQE_SHIFT  2
59 #define I40IW_MAX_QUANTA_PER_WR 2
60 
61 #define I40IW_QP_SW_MAX_SQ_QUANTA 2048
62 #define I40IW_QP_SW_MAX_RQ_QUANTA 16384
63 #define I40IW_QP_SW_MAX_WQ_QUANTA 2048
64 #endif /* I40IW_HW_H */
65