xref: /freebsd/sys/dev/cxgbe/osdep.h (revision eb69d1f144a6fcc765d1b9d44a5ae8082353e70b)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2010 Chelsio Communications, Inc.
5  * All rights reserved.
6  * Written by: Navdeep Parhar <np@FreeBSD.org>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * 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 AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  *
31  */
32 
33 #ifndef __CXGBE_OSDEP_H_
34 #define __CXGBE_OSDEP_H_
35 
36 #include <sys/cdefs.h>
37 #include <sys/ctype.h>
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/endian.h>
41 #include <sys/systm.h>
42 #include <sys/syslog.h>
43 #include <dev/pci/pcireg.h>
44 
45 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__)
46 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__)
47 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__)
48 #define CH_WARN_RATELIMIT(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__)
49 
50 #ifndef LINUX_TYPES_DEFINED
51 typedef int8_t  s8;
52 typedef int16_t s16;
53 typedef int32_t s32;
54 typedef int64_t s64;
55 typedef uint8_t  u8;
56 typedef uint16_t u16;
57 typedef uint32_t u32;
58 typedef uint64_t u64;
59 typedef uint8_t  __u8;
60 typedef uint16_t __u16;
61 typedef uint32_t __u32;
62 typedef uint64_t __u64;
63 typedef uint8_t  __be8;
64 typedef uint16_t __be16;
65 typedef uint32_t __be32;
66 typedef uint64_t __be64;
67 
68 #if BYTE_ORDER == BIG_ENDIAN
69 #define __BIG_ENDIAN_BITFIELD
70 #define htobe32_const(x) (x)
71 #elif BYTE_ORDER == LITTLE_ENDIAN
72 #define __LITTLE_ENDIAN_BITFIELD
73 #define htobe32_const(x) (((x) >> 24) | (((x) >> 8) & 0xff00) |	\
74     ((((x) & 0xffffff) << 8) & 0xff0000) | ((((x) & 0xff) << 24) & 0xff000000))
75 #else
76 #error "Must set BYTE_ORDER"
77 #endif
78 
79 #ifndef __bool_true_false_are_defined
80 typedef boolean_t bool;
81 #define false FALSE
82 #define true TRUE
83 #endif
84 
85 #define __force
86 
87 #define mdelay(x) DELAY((x) * 1000)
88 #define udelay(x) DELAY(x)
89 
90 #define simple_strtoul strtoul
91 #define DIV_ROUND_UP(x, y) howmany(x, y)
92 
93 #define ARRAY_SIZE(x) nitems(x)
94 #define container_of(p, s, f) ((s *)(((uint8_t *)(p)) - offsetof(s, f)))
95 
96 #define swab16(x) bswap16(x)
97 #define swab32(x) bswap32(x)
98 #define swab64(x) bswap64(x)
99 #define le16_to_cpu(x) le16toh(x)
100 #define le32_to_cpu(x) le32toh(x)
101 #define le64_to_cpu(x) le64toh(x)
102 #define cpu_to_le16(x) htole16(x)
103 #define cpu_to_le32(x) htole32(x)
104 #define cpu_to_le64(x) htole64(x)
105 #define be16_to_cpu(x) be16toh(x)
106 #define be32_to_cpu(x) be32toh(x)
107 #define be64_to_cpu(x) be64toh(x)
108 #define cpu_to_be16(x) htobe16(x)
109 #define cpu_to_be32(x) htobe32(x)
110 #define cpu_to_be64(x) htobe64(x)
111 
112 #define DUPLEX_HALF	0
113 #define DUPLEX_FULL	1
114 #define AUTONEG_DISABLE	0
115 #define AUTONEG_ENABLE	1
116 
117 #define PCI_DEVICE_ID	PCIR_DEVICE
118 #define PCI_CAP_ID_VPD  PCIY_VPD
119 #define PCI_VPD_ADDR    PCIR_VPD_ADDR
120 #define PCI_VPD_ADDR_F  0x8000
121 #define PCI_VPD_DATA    PCIR_VPD_DATA
122 
123 #define PCI_CAP_ID_EXP		PCIY_EXPRESS
124 #define PCI_EXP_DEVCTL		PCIER_DEVICE_CTL
125 #define PCI_EXP_DEVCTL_PAYLOAD	PCIEM_CTL_MAX_PAYLOAD
126 #define PCI_EXP_DEVCTL_READRQ	PCIEM_CTL_MAX_READ_REQUEST
127 #define PCI_EXP_LNKCTL		PCIER_LINK_CTL
128 #define PCI_EXP_LNKSTA		PCIER_LINK_STA
129 #define PCI_EXP_LNKSTA_CLS	PCIEM_LINK_STA_SPEED
130 #define PCI_EXP_LNKSTA_NLW	PCIEM_LINK_STA_WIDTH
131 #define PCI_EXP_DEVCTL2		PCIER_DEVICE_CTL2
132 
133 static inline int
134 ilog2(long x)
135 {
136 	KASSERT(x > 0 && powerof2(x), ("%s: invalid arg %ld", __func__, x));
137 
138 	return (flsl(x) - 1);
139 }
140 
141 static inline char *
142 strstrip(char *s)
143 {
144 	char c, *r, *trim_at;
145 
146 	while (isspace(*s))
147 		s++;
148 	r = trim_at = s;
149 
150 	while ((c = *s++) != 0) {
151 		if (!isspace(c))
152 			trim_at = s;
153 	}
154 	*trim_at = 0;
155 
156 	return (r);
157 }
158 #endif /* LINUX_TYPES_DEFINED */
159 
160 #endif
161