summaryrefslogtreecommitdiffstats
path: root/include/linux/qed/rdma_common.h
blob: bab078b25834cab15417b607b071ad2097fd836b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/* QLogic qed NIC Driver
 * Copyright (c) 2015-2017  QLogic Corporation
 * Copyright (c) 2019-2020 Marvell International Ltd.
 */

#ifndef __RDMA_COMMON__
#define __RDMA_COMMON__

/************************/
/* RDMA FW CONSTANTS */
/************************/

#define RDMA_RESERVED_LKEY		(0)
#define RDMA_RING_PAGE_SIZE		(0x1000)

#define RDMA_MAX_SGE_PER_SQ_WQE		(4)
#define RDMA_MAX_SGE_PER_RQ_WQE		(4)

#define RDMA_MAX_DATA_SIZE_IN_WQE	(0x80000000)

#define RDMA_REQ_RD_ATOMIC_ELM_SIZE	(0x50)
#define RDMA_RESP_RD_ATOMIC_ELM_SIZE	(0x20)

#define RDMA_MAX_CQS			(64 * 1024)
#define RDMA_MAX_TIDS			(128 * 1024 - 1)
#define RDMA_MAX_PDS			(64 * 1024)
#define RDMA_MAX_XRC_SRQS                       (1024)
#define RDMA_MAX_SRQS                           (32 * 1024)

#define RDMA_NUM_STATISTIC_COUNTERS	MAX_NUM_VPORTS
#define RDMA_NUM_STATISTIC_COUNTERS_K2	MAX_NUM_VPORTS_K2
#define RDMA_NUM_STATISTIC_COUNTERS_BB	MAX_NUM_VPORTS_BB

#define RDMA_TASK_TYPE (PROTOCOLID_ROCE)

struct rdma_srq_id {
	__le16 srq_idx;
	__le16 opaque_fid;
};

struct rdma_srq_producers {
	__le32 sge_prod;
	__le32 wqe_prod;
};

#endif /* __RDMA_COMMON__ */