1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015-2017  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #ifndef __RDMA_COMMON__
34 #define __RDMA_COMMON__
35 
36 /************************/
37 /* RDMA FW CONSTANTS */
38 /************************/
39 
40 #define RDMA_RESERVED_LKEY		(0)
41 #define RDMA_RING_PAGE_SIZE		(0x1000)
42 
43 #define RDMA_MAX_SGE_PER_SQ_WQE		(4)
44 #define RDMA_MAX_SGE_PER_RQ_WQE		(4)
45 
46 #define RDMA_MAX_DATA_SIZE_IN_WQE	(0x80000000)
47 
48 #define RDMA_REQ_RD_ATOMIC_ELM_SIZE	(0x50)
49 #define RDMA_RESP_RD_ATOMIC_ELM_SIZE	(0x20)
50 
51 #define RDMA_MAX_CQS			(64 * 1024)
52 #define RDMA_MAX_TIDS			(128 * 1024 - 1)
53 #define RDMA_MAX_PDS			(64 * 1024)
54 #define RDMA_MAX_XRC_SRQS                       (1024)
55 #define RDMA_MAX_SRQS                           (32 * 1024)
56 
57 #define RDMA_NUM_STATISTIC_COUNTERS	MAX_NUM_VPORTS
58 #define RDMA_NUM_STATISTIC_COUNTERS_K2	MAX_NUM_VPORTS_K2
59 #define RDMA_NUM_STATISTIC_COUNTERS_BB	MAX_NUM_VPORTS_BB
60 
61 #define RDMA_TASK_TYPE (PROTOCOLID_ROCE)
62 
63 struct rdma_srq_id {
64 	__le16 srq_idx;
65 	__le16 opaque_fid;
66 };
67 
68 struct rdma_srq_producers {
69 	__le32 sge_prod;
70 	__le32 wqe_prod;
71 };
72 
73 #endif /* __RDMA_COMMON__ */
74