xref: /freebsd/sys/dev/qlxge/qls_inline.h (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
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  * $FreeBSD$
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 
38 static __inline int
39 qls_get_ifq_snd_maxlen(qla_host_t *ha)
40 {
41 	return((NUM_TX_DESCRIPTORS - 1));
42 }
43 
44 static __inline uint32_t
45 qls_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 
76 static __inline uint8_t *
77 qls_get_mac_addr(qla_host_t *ha)
78 {
79 	return (ha->mac_addr);
80 }
81 
82 static __inline int
83 qls_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 
106 static __inline void
107 qls_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