1/*******************************************************************
2 * This file is part of the Emulex RoCE Device Driver for          *
3 * RoCE (RDMA over Converged Ethernet) CNA Adapters.              *
4 * Copyright (C) 2008-2012 Emulex. All rights reserved.            *
5 * EMULEX and SLI are trademarks of Emulex.                        *
6 * www.emulex.com                                                  *
7 *                                                                 *
8 * This program is free software; you can redistribute it and/or   *
9 * modify it under the terms of version 2 of the GNU General       *
10 * Public License as published by the Free Software Foundation.    *
11 * This program is distributed in the hope that it will be useful. *
12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
17 * more details, a copy of which can be found in the file COPYING  *
18 * included with this package.                                     *
19 *
20 * Contact Information:
21 * linux-drivers@emulex.com
22 *
23 * Emulex
24 * 3333 Susan Street
25 * Costa Mesa, CA 92626
26 *******************************************************************/
27
28#ifndef __OCRDMA_HW_H__
29#define __OCRDMA_HW_H__
30
31#include "ocrdma_sli.h"
32
33static inline void ocrdma_cpu_to_le32(void *dst, u32 len)
34{
35#ifdef __BIG_ENDIAN
36	int i = 0;
37	u32 *src_ptr = dst;
38	u32 *dst_ptr = dst;
39	for (; i < (len / 4); i++)
40		*(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
41#endif
42}
43
44static inline void ocrdma_le32_to_cpu(void *dst, u32 len)
45{
46#ifdef __BIG_ENDIAN
47	int i = 0;
48	u32 *src_ptr = dst;
49	u32 *dst_ptr = dst;
50	for (; i < (len / sizeof(u32)); i++)
51		*(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
52#endif
53}
54
55static inline void ocrdma_copy_cpu_to_le32(void *dst, void *src, u32 len)
56{
57#ifdef __BIG_ENDIAN
58	int i = 0;
59	u32 *src_ptr = src;
60	u32 *dst_ptr = dst;
61	for (; i < (len / sizeof(u32)); i++)
62		*(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
63#else
64	memcpy(dst, src, len);
65#endif
66}
67
68static inline void ocrdma_copy_le32_to_cpu(void *dst, void *src, u32 len)
69{
70#ifdef __BIG_ENDIAN
71	int i = 0;
72	u32 *src_ptr = src;
73	u32 *dst_ptr = dst;
74	for (; i < len / sizeof(u32); i++)
75		*(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
76#else
77	memcpy(dst, src, len);
78#endif
79}
80
81static inline u64 ocrdma_get_db_addr(struct ocrdma_dev *dev, u32 pdid)
82{
83	return dev->nic_info.unmapped_db + (pdid * dev->nic_info.db_page_size);
84}
85
86int ocrdma_init_hw(struct ocrdma_dev *);
87void ocrdma_cleanup_hw(struct ocrdma_dev *);
88
89enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps);
90void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
91		       bool solicited, u16 cqe_popped);
92
93/* verbs specific mailbox commands */
94int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed);
95int ocrdma_query_config(struct ocrdma_dev *,
96			struct ocrdma_mbx_query_config *config);
97
98int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
99int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
100
101int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
102			  u32 pd_id, int addr_check);
103int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey);
104
105int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
106			u32 pd_id, int acc);
107int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *,
108				int entries, int dpp_cq, u16 pd_id);
109int ocrdma_mbx_destroy_cq(struct ocrdma_dev *, struct ocrdma_cq *);
110
111int ocrdma_mbx_create_qp(struct ocrdma_qp *, struct ib_qp_init_attr *attrs,
112			 u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset,
113			 u16 *dpp_credit_lmt);
114int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *,
115			 struct ib_qp_attr *attrs, int attr_mask);
116int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *,
117			struct ocrdma_qp_params *param);
118int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *);
119int ocrdma_mbx_create_srq(struct ocrdma_dev *, struct ocrdma_srq *,
120			  struct ib_srq_init_attr *,
121			  struct ocrdma_pd *);
122int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *);
123int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *);
124int ocrdma_mbx_destroy_srq(struct ocrdma_dev *, struct ocrdma_srq *);
125
126int ocrdma_alloc_av(struct ocrdma_dev *, struct ocrdma_ah *);
127int ocrdma_free_av(struct ocrdma_dev *, struct ocrdma_ah *);
128
129int ocrdma_qp_state_change(struct ocrdma_qp *, enum ib_qp_state new_state,
130			    enum ib_qp_state *old_ib_state);
131bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
132bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
133void ocrdma_flush_qp(struct ocrdma_qp *);
134int ocrdma_get_irq(struct ocrdma_dev *dev, struct ocrdma_eq *eq);
135
136int ocrdma_mbx_rdma_stats(struct ocrdma_dev *, bool reset);
137char *port_speed_string(struct ocrdma_dev *dev);
138void ocrdma_init_service_level(struct ocrdma_dev *);
139void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev);
140void ocrdma_free_pd_range(struct ocrdma_dev *dev);
141
142#endif				/* __OCRDMA_HW_H__ */
143