qls_inline.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013-2014 Qlogic Corporation
5 * All rights reserved.
6 *
7 *  Redistribution and use in source and binary forms, with or without
8 *  modification, are permitted provided that the following conditions
9 *  are met:
10 *
11 *  1. Redistributions of source code must retain the above copyright
12 *     notice, this list of conditions and the following disclaimer.
13 *  2. Redistributions in binary form must reproduce the above copyright
14 *     notice, this list of conditions and the following disclaimer in the
15 *     documentation and/or other materials provided with the distribution.
16 *
17 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 *  POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: stable/11/sys/dev/qlxge/qls_inline.h 330897 2018-03-14 03:19:51Z eadler $
30 */
31/*
32 * File: qls_inline.h
33 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
34 */
35#ifndef _QLS_INLINE_H_
36#define _QLS_INLINE_H_
37
38static __inline int
39qls_get_ifq_snd_maxlen(qla_host_t *ha)
40{
41	return((NUM_TX_DESCRIPTORS - 1));
42}
43
44static __inline uint32_t
45qls_get_optics(qla_host_t *ha)
46{
47	uint32_t link_speed = 0;
48
49	if (ha->link_up) {
50		switch ((ha->link_hw_info & 0xF0)) {
51		case (0x01 << 4):
52		case (0x02 << 4):
53		case (0x03 << 4):
54			link_speed = (IFM_10G_LR | IFM_10G_SR);
55			break;
56
57		case (0x04 << 4):
58		case (0x05 << 4):
59		case (0x06 << 4):
60			link_speed = IFM_10G_TWINAX;
61			break;
62
63		case (0x07 << 4):
64		case (0x08 << 4):
65		case (0x09 << 4):
66		case (0x0A << 4):
67		case (0x0B << 4):
68			link_speed = IFM_1000_SX;
69			break;
70		}
71	}
72
73	return(link_speed);
74}
75
76static __inline uint8_t *
77qls_get_mac_addr(qla_host_t *ha)
78{
79	return (ha->mac_addr);
80}
81
82static __inline int
83qls_lock(qla_host_t *ha, const char *str, uint32_t no_delay)
84{
85	int ret = -1;
86
87	while (1) {
88		mtx_lock(&ha->hw_lock);
89		if (!ha->hw_lock_held) {
90			ha->hw_lock_held = 1;
91			ha->qla_lock = str;
92			ret = 0;
93			mtx_unlock(&ha->hw_lock);
94			break;
95		}
96		mtx_unlock(&ha->hw_lock);
97
98		if (no_delay)
99			break;
100		else
101			qls_mdelay(__func__, 1);
102	}
103	return (ret);
104}
105
106static __inline void
107qls_unlock(qla_host_t *ha, const char *str)
108{
109	mtx_lock(&ha->hw_lock);
110	ha->hw_lock_held = 0;
111	ha->qla_unlock = str;
112	mtx_unlock(&ha->hw_lock);
113}
114
115#endif /* #ifndef _QLS_INLINE_H_ */
116