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1/* This file is part of the Emulex RoCE Device Driver for
2 * RoCE (RDMA over Converged Ethernet) adapters.
3 * Copyright (C) 2012-2015 Emulex. All rights reserved.
4 * EMULEX and SLI are trademarks of Emulex.
5 * www.emulex.com
6 *
7 * This software is available to you under a choice of one of two licenses.
8 * You may choose to be licensed under the terms of the GNU General Public
9 * License (GPL) Version 2, available from the file COPYING in the main
10 * directory of this source tree, or the BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 *
16 * - Redistributions of source code must retain the above copyright notice,
17 * this list of conditions and the following disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in
21 * the documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 * Contact Information:
36 * linux-drivers@emulex.com
37 *
38 * Emulex
39 * 3333 Susan Street
40 * Costa Mesa, CA 92626
41 */
42
43#ifndef __OCRDMA_HW_H__
44#define __OCRDMA_HW_H__
45
46#include "ocrdma_sli.h"
47
48static inline void ocrdma_cpu_to_le32(void *dst, u32 len)
49{
50#ifdef __BIG_ENDIAN
51 int i = 0;
52 u32 *src_ptr = dst;
53 u32 *dst_ptr = dst;
54 for (; i < (len / 4); i++)
55 *(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
56#endif
57}
58
59static inline void ocrdma_le32_to_cpu(void *dst, u32 len)
60{
61#ifdef __BIG_ENDIAN
62 int i = 0;
63 u32 *src_ptr = dst;
64 u32 *dst_ptr = dst;
65 for (; i < (len / sizeof(u32)); i++)
66 *(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
67#endif
68}
69
70static inline void ocrdma_copy_cpu_to_le32(void *dst, void *src, u32 len)
71{
72#ifdef __BIG_ENDIAN
73 int i = 0;
74 u32 *src_ptr = src;
75 u32 *dst_ptr = dst;
76 for (; i < (len / sizeof(u32)); i++)
77 *(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
78#else
79 memcpy(dst, src, len);
80#endif
81}
82
83static inline void ocrdma_copy_le32_to_cpu(void *dst, void *src, u32 len)
84{
85#ifdef __BIG_ENDIAN
86 int i = 0;
87 u32 *src_ptr = src;
88 u32 *dst_ptr = dst;
89 for (; i < len / sizeof(u32); i++)
90 *(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
91#else
92 memcpy(dst, src, len);
93#endif
94}
95
96static inline u64 ocrdma_get_db_addr(struct ocrdma_dev *dev, u32 pdid)
97{
98 return dev->nic_info.unmapped_db + (pdid * dev->nic_info.db_page_size);
99}
100
101int ocrdma_init_hw(struct ocrdma_dev *);
102void ocrdma_cleanup_hw(struct ocrdma_dev *);
103
104enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps);
105void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
106 bool solicited, u16 cqe_popped);
107
108/* verbs specific mailbox commands */
109int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,
110 u8 *lnk_st);
111int ocrdma_query_config(struct ocrdma_dev *,
112 struct ocrdma_mbx_query_config *config);
113
114int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
115int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
116
117int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
118 u32 pd_id, int addr_check);
119int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey);
120
121int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
122 u32 pd_id, int acc);
123int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *,
124 int entries, int dpp_cq, u16 pd_id);
125void ocrdma_mbx_destroy_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq);
126
127int ocrdma_mbx_create_qp(struct ocrdma_qp *, struct ib_qp_init_attr *attrs,
128 u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset,
129 u16 *dpp_credit_lmt);
130int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *,
131 struct ib_qp_attr *attrs, int attr_mask);
132int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *,
133 struct ocrdma_qp_params *param);
134int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *);
135int ocrdma_mbx_create_srq(struct ocrdma_dev *, struct ocrdma_srq *,
136 struct ib_srq_init_attr *,
137 struct ocrdma_pd *);
138int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *);
139int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *);
140void ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq);
141
142int ocrdma_alloc_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah);
143void ocrdma_free_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah);
144
145int ocrdma_qp_state_change(struct ocrdma_qp *, enum ib_qp_state new_state,
146 enum ib_qp_state *old_ib_state);
147bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
148bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
149void ocrdma_flush_qp(struct ocrdma_qp *);
150int ocrdma_get_irq(struct ocrdma_dev *dev, struct ocrdma_eq *eq);
151
152int ocrdma_mbx_rdma_stats(struct ocrdma_dev *, bool reset);
153char *port_speed_string(struct ocrdma_dev *dev);
154void ocrdma_init_service_level(struct ocrdma_dev *);
155void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev);
156void ocrdma_free_pd_range(struct ocrdma_dev *dev);
157void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate);
158
159#endif /* __OCRDMA_HW_H__ */