xref: /freebsd/sys/compat/linux/linux.h (revision 00b6911b7f95bffeff6fdc1843562375d14e9cd8)
1 /*-
2  * Copyright (c) 2015 Dmitry Chagin
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  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _LINUX_MI_H_
30 #define _LINUX_MI_H_
31 
32 #define	LINUX_IFHWADDRLEN	6
33 #define	LINUX_IFNAMSIZ		16
34 
35 /*
36  * Criteria for interface name translation
37  */
38 #define	IFP_IS_ETH(ifp)		(ifp->if_type == IFT_ETHER)
39 #define	IFP_IS_LOOP(ifp)	(ifp->if_type == IFT_LOOP)
40 
41 struct l_sockaddr {
42 	unsigned short	sa_family;
43 	char		sa_data[14];
44 };
45 
46 #define	LINUX_ARPHRD_ETHER	1
47 #define	LINUX_ARPHRD_LOOPBACK	772
48 
49 /*
50  * Supported address families
51  */
52 #define	LINUX_AF_UNSPEC		0
53 #define	LINUX_AF_UNIX		1
54 #define	LINUX_AF_INET		2
55 #define	LINUX_AF_AX25		3
56 #define	LINUX_AF_IPX		4
57 #define	LINUX_AF_APPLETALK	5
58 #define	LINUX_AF_INET6		10
59 
60 /*
61  * net device flags
62  */
63 #define	LINUX_IFF_UP		0x0001
64 #define	LINUX_IFF_BROADCAST	0x0002
65 #define	LINUX_IFF_DEBUG		0x0004
66 #define	LINUX_IFF_LOOPBACK	0x0008
67 #define	LINUX_IFF_POINTOPOINT	0x0010
68 #define	LINUX_IFF_NOTRAILERS	0x0020
69 #define	LINUX_IFF_RUNNING	0x0040
70 #define	LINUX_IFF_NOARP		0x0080
71 #define	LINUX_IFF_PROMISC	0x0100
72 #define	LINUX_IFF_ALLMULTI	0x0200
73 #define	LINUX_IFF_MASTER	0x0400
74 #define	LINUX_IFF_SLAVE		0x0800
75 #define	LINUX_IFF_MULTICAST	0x1000
76 #define	LINUX_IFF_PORTSEL	0x2000
77 #define	LINUX_IFF_AUTOMEDIA	0x4000
78 #define	LINUX_IFF_DYNAMIC	0x8000
79 
80 /* sigaltstack */
81 #define	LINUX_SS_ONSTACK	1
82 #define	LINUX_SS_DISABLE	2
83 
84 int linux_to_bsd_sigaltstack(int lsa);
85 int bsd_to_linux_sigaltstack(int bsa);
86 
87 /* sigset */
88 typedef struct {
89 	uint64_t	__mask;
90 } l_sigset_t;
91 
92 /* primitives to manipulate sigset_t */
93 #define	LINUX_SIGEMPTYSET(set)		(set).__mask = 0
94 #define	LINUX_SIGISMEMBER(set, sig)	(1UL & ((set).__mask >> _SIG_IDX(sig)))
95 #define	LINUX_SIGADDSET(set, sig)	(set).__mask |= 1UL << _SIG_IDX(sig)
96 
97 void linux_to_bsd_sigset(l_sigset_t *, sigset_t *);
98 void bsd_to_linux_sigset(sigset_t *, l_sigset_t *);
99 
100 /* signaling */
101 #define	LINUX_SIGHUP		1
102 #define	LINUX_SIGINT		2
103 #define	LINUX_SIGQUIT		3
104 #define	LINUX_SIGILL		4
105 #define	LINUX_SIGTRAP		5
106 #define	LINUX_SIGABRT		6
107 #define	LINUX_SIGIOT		LINUX_SIGABRT
108 #define	LINUX_SIGBUS		7
109 #define	LINUX_SIGFPE		8
110 #define	LINUX_SIGKILL		9
111 #define	LINUX_SIGUSR1		10
112 #define	LINUX_SIGSEGV		11
113 #define	LINUX_SIGUSR2		12
114 #define	LINUX_SIGPIPE		13
115 #define	LINUX_SIGALRM		14
116 #define	LINUX_SIGTERM		15
117 #define	LINUX_SIGSTKFLT		16
118 #define	LINUX_SIGCHLD		17
119 #define	LINUX_SIGCONT		18
120 #define	LINUX_SIGSTOP		19
121 #define	LINUX_SIGTSTP		20
122 #define	LINUX_SIGTTIN		21
123 #define	LINUX_SIGTTOU		22
124 #define	LINUX_SIGURG		23
125 #define	LINUX_SIGXCPU		24
126 #define	LINUX_SIGXFSZ		25
127 #define	LINUX_SIGVTALRM		26
128 #define	LINUX_SIGPROF		27
129 #define	LINUX_SIGWINCH		28
130 #define	LINUX_SIGIO		29
131 #define	LINUX_SIGPOLL		LINUX_SIGIO
132 #define	LINUX_SIGPWR		30
133 #define	LINUX_SIGSYS		31
134 #define	LINUX_SIGTBLSZ		31
135 #define	LINUX_SIGRTMIN		32
136 #define	LINUX_SIGRTMAX		64
137 
138 #define LINUX_SIG_VALID(sig)	((sig) <= LINUX_SIGRTMAX && (sig) > 0)
139 
140 int linux_to_bsd_signal(int sig);
141 int bsd_to_linux_signal(int sig);
142 
143 extern LIST_HEAD(futex_list, futex) futex_list;
144 extern struct mtx futex_mtx;
145 
146 void linux_dev_shm_create(void);
147 void linux_dev_shm_destroy(void);
148 
149 #endif /* _LINUX_MI_H_ */
150