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: stable/11/sys/dev/qlnx/qlnxe/ecore_roce.h 337517 2018-08-09 01:17:35Z davidcs $
28 *
29 */
30
31#ifndef __ECORE_ROCE_H__
32#define __ECORE_ROCE_H__
33
34#include "ecore_status.h"
35
36#define ECORE_ROCE_QP_TO_ICID(qp_idx)		((qp_idx)*2)
37#define ECORE_ROCE_ICID_TO_QP(icid)		((icid)/2)
38
39/* functions for enabling/disabling edpm in rdma PFs according to existence of
40 * qps during DCBx update or bar size
41 */
42void
43ecore_roce_dpm_dcbx(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt);
44
45void
46ecore_rdma_dpm_bar(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt);
47
48enum _ecore_status_t
49ecore_roce_dcqcn_cfg(struct ecore_hwfn *p_hwfn,
50		     struct ecore_roce_dcqcn_params *params,
51		     struct roce_init_func_ramrod_data *p_ramrod,
52		     struct ecore_ptt *p_ptt);
53
54enum _ecore_status_t
55ecore_roce_setup(struct ecore_hwfn *p_hwfn);
56
57enum _ecore_status_t
58ecore_roce_stop_rl(struct ecore_hwfn *p_hwfn);
59
60enum _ecore_status_t
61ecore_roce_stop(struct ecore_hwfn *p_hwfn);
62
63enum _ecore_status_t
64ecore_roce_query_qp(struct ecore_hwfn *p_hwfn,
65		    struct ecore_rdma_qp *qp,
66		    struct ecore_rdma_query_qp_out_params *out_params);
67
68enum _ecore_status_t
69ecore_roce_destroy_qp(struct ecore_hwfn *p_hwfn,
70		      struct ecore_rdma_qp *qp,
71		      struct ecore_rdma_destroy_qp_out_params *out_params);
72
73enum _ecore_status_t
74ecore_roce_alloc_qp_idx(struct ecore_hwfn *p_hwfn,
75			u16 *qp_idx16);
76
77#define IS_ECORE_DCQCN(p_hwfn)	\
78	(!!(p_hwfn->pf_params.rdma_pf_params.enable_dcqcn))
79
80struct ecore_roce_info {
81	struct roce_events_stats	event_stats;
82	struct roce_dcqcn_received_stats dcqcn_rx_stats;
83	struct roce_dcqcn_sent_stats	dcqcn_tx_stats;
84
85	u8				dcqcn_enabled;
86	u8				dcqcn_reaction_point;
87};
88
89enum _ecore_status_t
90ecore_roce_modify_qp(struct ecore_hwfn *p_hwfn,
91		     struct ecore_rdma_qp *qp,
92		     enum ecore_roce_qp_state prev_state,
93		     struct ecore_rdma_modify_qp_in_params *params);
94
95#endif /*__ECORE_ROCE_H__*/
96