qls_inline.h revision 252206 
1/*
2 * Copyright (c) 2013-2014 Qlogic Corporation
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: head/sys/dev/qlxge/qls_inline.h 252206 2013-06-25 17:50:22Z davidcs $
28 */
29/*
30 * File: qls_inline.h
31 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
32 */
33#ifndef _QLS_INLINE_H_
34#define _QLS_INLINE_H_
35
36static __inline int
37qls_get_ifq_snd_maxlen(qla_host_t *ha)
38{
39	return((NUM_TX_DESCRIPTORS - 1));
40}
41
42static __inline uint32_t
43qls_get_optics(qla_host_t *ha)
44{
45	uint32_t link_speed = 0;
46
47	if (ha->link_up) {
48		switch ((ha->link_hw_info & 0xF0)) {
49		case (0x01 << 4):
50		case (0x02 << 4):
51		case (0x03 << 4):
52			link_speed = (IFM_10G_LR | IFM_10G_SR);
53			break;
54
55		case (0x04 << 4):
56		case (0x05 << 4):
57		case (0x06 << 4):
58			link_speed = IFM_10G_TWINAX;
59			break;
60
61		case (0x07 << 4):
62		case (0x08 << 4):
63		case (0x09 << 4):
64		case (0x0A << 4):
65		case (0x0B << 4):
66			link_speed = IFM_1000_SX;
67			break;
68		}
69	}
70
71	return(link_speed);
72}
73
74static __inline uint8_t *
75qls_get_mac_addr(qla_host_t *ha)
76{
77	return (ha->mac_addr);
78}
79
80static __inline int
81qls_lock(qla_host_t *ha, const char *str, uint32_t no_delay)
82{
83	int ret = -1;
84
85	while (1) {
86		mtx_lock(&ha->hw_lock);
87		if (!ha->hw_lock_held) {
88			ha->hw_lock_held = 1;
89			ha->qla_lock = str;
90			ret = 0;
91			mtx_unlock(&ha->hw_lock);
92			break;
93		}
94		mtx_unlock(&ha->hw_lock);
95
96		if (no_delay)
97			break;
98		else
99			qls_mdelay(__func__, 1);
100	}
101	return (ret);
102}
103
104static __inline void
105qls_unlock(qla_host_t *ha, const char *str)
106{
107	mtx_lock(&ha->hw_lock);
108	ha->hw_lock_held = 0;
109	ha->qla_unlock = str;
110	mtx_unlock(&ha->hw_lock);
111}
112
113#endif /* #ifndef _QLS_INLINE_H_ */
114