xref: /freebsd/sys/dev/cxgbe/osdep.h (revision cc16dea626cf2fc80cde667ac4798065108e596c)
1 /*-
2  * Copyright (c) 2010 Chelsio Communications, Inc.
3  * All rights reserved.
4  * Written by: Navdeep Parhar <np@FreeBSD.org>
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * 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 AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  *
29  */
30 
31 #ifndef __CXGBE_OSDEP_H_
32 #define __CXGBE_OSDEP_H_
33 
34 #include <sys/cdefs.h>
35 #include <sys/ctype.h>
36 #include <sys/types.h>
37 #include <sys/param.h>
38 #include <sys/endian.h>
39 #include <sys/systm.h>
40 #include <sys/syslog.h>
41 #include <dev/pci/pcireg.h>
42 
43 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__)
44 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__)
45 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__)
46 #define CH_WARN_RATELIMIT(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__)
47 
48 typedef int8_t  s8;
49 typedef int16_t s16;
50 typedef int32_t s32;
51 typedef int64_t s64;
52 typedef uint8_t  u8;
53 typedef uint16_t u16;
54 typedef uint32_t u32;
55 typedef uint64_t u64;
56 typedef uint8_t  __u8;
57 typedef uint16_t __u16;
58 typedef uint32_t __u32;
59 typedef uint64_t __u64;
60 typedef uint8_t  __be8;
61 typedef uint16_t __be16;
62 typedef uint32_t __be32;
63 typedef uint64_t __be64;
64 
65 #if BYTE_ORDER == BIG_ENDIAN
66 #define __BIG_ENDIAN_BITFIELD
67 #define htobe32_const(x) (x)
68 #elif BYTE_ORDER == LITTLE_ENDIAN
69 #define __LITTLE_ENDIAN_BITFIELD
70 #define htobe32_const(x) (((x) >> 24) | (((x) >> 8) & 0xff00) |	\
71     ((((x) & 0xffffff) << 8) & 0xff0000) | ((((x) & 0xff) << 24) & 0xff000000))
72 #else
73 #error "Must set BYTE_ORDER"
74 #endif
75 
76 #ifndef __bool_true_false_are_defined
77 typedef boolean_t bool;
78 #define false FALSE
79 #define true TRUE
80 #endif
81 
82 #define mdelay(x) DELAY((x) * 1000)
83 #define udelay(x) DELAY(x)
84 
85 #define __devinit
86 #define simple_strtoul strtoul
87 #define DIV_ROUND_UP(x, y) howmany(x, y)
88 
89 #define ARRAY_SIZE(x) nitems(x)
90 #define container_of(p, s, f) ((s *)(((uint8_t *)(p)) - offsetof(s, f)))
91 
92 #define swab16(x) bswap16(x)
93 #define swab32(x) bswap32(x)
94 #define swab64(x) bswap64(x)
95 #define le16_to_cpu(x) le16toh(x)
96 #define le32_to_cpu(x) le32toh(x)
97 #define le64_to_cpu(x) le64toh(x)
98 #define cpu_to_le16(x) htole16(x)
99 #define cpu_to_le32(x) htole32(x)
100 #define cpu_to_le64(x) htole64(x)
101 #define be16_to_cpu(x) be16toh(x)
102 #define be32_to_cpu(x) be32toh(x)
103 #define be64_to_cpu(x) be64toh(x)
104 #define cpu_to_be16(x) htobe16(x)
105 #define cpu_to_be32(x) htobe32(x)
106 #define cpu_to_be64(x) htobe64(x)
107 
108 #define SPEED_10	10
109 #define SPEED_100	100
110 #define SPEED_1000	1000
111 #define SPEED_10000	10000
112 #define SPEED_40000	40000
113 #define DUPLEX_HALF	0
114 #define DUPLEX_FULL	1
115 #define AUTONEG_DISABLE	0
116 #define AUTONEG_ENABLE	1
117 
118 #define PCI_DEVICE_ID	PCIR_DEVICE
119 #define PCI_CAP_ID_VPD  PCIY_VPD
120 #define PCI_VPD_ADDR    PCIR_VPD_ADDR
121 #define PCI_VPD_ADDR_F  0x8000
122 #define PCI_VPD_DATA    PCIR_VPD_DATA
123 
124 #define PCI_CAP_ID_EXP		PCIY_EXPRESS
125 #define PCI_EXP_DEVCTL		PCIER_DEVICE_CTL
126 #define PCI_EXP_DEVCTL_PAYLOAD	PCIEM_CTL_MAX_PAYLOAD
127 #define PCI_EXP_DEVCTL_READRQ	PCIEM_CTL_MAX_READ_REQUEST
128 #define PCI_EXP_LNKCTL		PCIER_LINK_CTL
129 #define PCI_EXP_LNKSTA		PCIER_LINK_STA
130 #define PCI_EXP_LNKSTA_CLS	PCIEM_LINK_STA_SPEED
131 #define PCI_EXP_LNKSTA_NLW	PCIEM_LINK_STA_WIDTH
132 #define PCI_EXP_DEVCTL2		PCIER_DEVICE_CTL2
133 
134 static inline int
135 ilog2(long x)
136 {
137 	KASSERT(x > 0 && powerof2(x), ("%s: invalid arg %ld", __func__, x));
138 
139 	return (flsl(x) - 1);
140 }
141 
142 static inline char *
143 strstrip(char *s)
144 {
145 	char c, *r, *trim_at;
146 
147 	while (isspace(*s))
148 		s++;
149 	r = trim_at = s;
150 
151 	while ((c = *s++) != 0) {
152 		if (!isspace(c))
153 			trim_at = s;
154 	}
155 	*trim_at = 0;
156 
157 	return (r);
158 }
159 
160 #endif
161