rdma_common.h revision 316485 
1/*
2 * Copyright (c) 2017-2018 Cavium, Inc.
3 * All rights reserved.
4 *
5 *  Redistribution and use in source and binary forms, with or without
6 *  modification, are permitted provided that the following conditions
7 *  are met:
8 *
9 *  1. Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 *  2. Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 *  POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/dev/qlnx/qlnxe/rdma_common.h 316485 2017-04-04 06:16:59Z davidcs $
28 *
29 */
30
31
32#ifndef __RDMA_COMMON__
33#define __RDMA_COMMON__
34/************************/
35/* RDMA FW CONSTANTS */
36/************************/
37
38#define RDMA_RESERVED_LKEY			(0)			//Reserved lkey
39#define RDMA_RING_PAGE_SIZE			(0x1000)	//4KB pages
40
41#define	RDMA_MAX_SGE_PER_SQ_WQE		(4)		//max number of SGEs in a single request
42#define	RDMA_MAX_SGE_PER_RQ_WQE		(4)		//max number of SGEs in a single request
43
44#define RDMA_MAX_DATA_SIZE_IN_WQE	(0x80000000)	//max size of data in single request
45
46#define RDMA_REQ_RD_ATOMIC_ELM_SIZE		(0x50)
47#define RDMA_RESP_RD_ATOMIC_ELM_SIZE	(0x20)
48
49#define RDMA_MAX_CQS				(64*1024)
50#define RDMA_MAX_TIDS				(128*1024-1)
51#define RDMA_MAX_PDS				(64*1024)
52
53#define RDMA_NUM_STATISTIC_COUNTERS			MAX_NUM_VPORTS
54#define RDMA_NUM_STATISTIC_COUNTERS_K2			MAX_NUM_VPORTS_K2
55#define RDMA_NUM_STATISTIC_COUNTERS_BB			MAX_NUM_VPORTS_BB
56
57#define RDMA_TASK_TYPE (PROTOCOLID_ROCE)
58
59
60struct rdma_srq_id
61{
62	__le16 srq_idx /* SRQ index */;
63	__le16 opaque_fid;
64};
65
66
67struct rdma_srq_producers
68{
69	__le32 sge_prod /* Current produced sge in SRQ */;
70	__le32 wqe_prod /* Current produced WQE to SRQ */;
71};
72
73#endif /* __RDMA_COMMON__ */
74