1/*-
2 * Copyright (c) 2006 Roman Divacky
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 *    in this position and unchanged.
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 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#ifndef _LINUX_MISC_H_
32#define	_LINUX_MISC_H_
33
34/*
35 * Miscellaneous
36 */
37#define	LINUX_NAME_MAX		255
38#define	LINUX_MAX_UTSNAME	65
39
40#define	LINUX_CTL_MAXNAME	10
41
42/* defines for prctl */
43#define	LINUX_PR_SET_PDEATHSIG  1	/* Second arg is a signal. */
44#define	LINUX_PR_GET_PDEATHSIG  2	/*
45					 * Second arg is a ptr to return the
46					 * signal.
47					 */
48#define	LINUX_PR_GET_KEEPCAPS	7	/* Get drop capabilities on setuid */
49#define	LINUX_PR_SET_KEEPCAPS	8	/* Set drop capabilities on setuid */
50#define	LINUX_PR_SET_NAME	15	/* Set process name. */
51#define	LINUX_PR_GET_NAME	16	/* Get process name. */
52
53#define	LINUX_MAX_COMM_LEN	16	/* Maximum length of the process name. */
54
55#define	LINUX_MREMAP_MAYMOVE	1
56#define	LINUX_MREMAP_FIXED	2
57
58extern const char *linux_platform;
59
60/*
61 * Non-standard aux entry types used in Linux ELF binaries.
62 */
63
64#define	LINUX_AT_PLATFORM	15	/* String identifying CPU */
65#define	LINUX_AT_HWCAP		16	/* CPU capabilities */
66#define	LINUX_AT_CLKTCK		17	/* frequency at which times() increments */
67#define	LINUX_AT_SECURE		23	/* secure mode boolean */
68#define	LINUX_AT_BASE_PLATFORM	24	/* string identifying real platform, may
69					 * differ from AT_PLATFORM.
70					 */
71#define	LINUX_AT_EXECFN		31	/* filename of program */
72
73/* Linux sets the i387 to extended precision. */
74#if defined(__i386__) || defined(__amd64__)
75#define	__LINUX_NPXCW__		0x37f
76#endif
77
78#define	LINUX_CLONE_VM			0x00000100
79#define	LINUX_CLONE_FS			0x00000200
80#define	LINUX_CLONE_FILES		0x00000400
81#define	LINUX_CLONE_SIGHAND		0x00000800
82#define	LINUX_CLONE_PID			0x00001000	/* No longer exist in Linux */
83#define	LINUX_CLONE_VFORK		0x00004000
84#define	LINUX_CLONE_PARENT		0x00008000
85#define	LINUX_CLONE_THREAD		0x00010000
86#define	LINUX_CLONE_SETTLS		0x00080000
87#define	LINUX_CLONE_PARENT_SETTID	0x00100000
88#define	LINUX_CLONE_CHILD_CLEARTID	0x00200000
89#define	LINUX_CLONE_CHILD_SETTID	0x01000000
90
91#define	LINUX_THREADING_FLAGS					\
92	(LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |	\
93	LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
94
95/* Scheduling policies */
96#define	LINUX_SCHED_OTHER	0
97#define	LINUX_SCHED_FIFO	1
98#define	LINUX_SCHED_RR		2
99
100struct l_new_utsname {
101	char	sysname[LINUX_MAX_UTSNAME];
102	char	nodename[LINUX_MAX_UTSNAME];
103	char	release[LINUX_MAX_UTSNAME];
104	char	version[LINUX_MAX_UTSNAME];
105	char	machine[LINUX_MAX_UTSNAME];
106	char	domainname[LINUX_MAX_UTSNAME];
107};
108
109#define	LINUX_CLOCK_REALTIME		0
110#define	LINUX_CLOCK_MONOTONIC		1
111#define	LINUX_CLOCK_PROCESS_CPUTIME_ID	2
112#define	LINUX_CLOCK_THREAD_CPUTIME_ID	3
113#define	LINUX_CLOCK_REALTIME_HR		4
114#define	LINUX_CLOCK_MONOTONIC_HR	5
115
116extern int stclohz;
117
118#define __WCLONE 0x80000000
119
120int linux_common_wait(struct thread *td, int pid, int *status,
121			int options, struct rusage *ru);
122int linux_set_upcall_kse(struct thread *td, register_t stack);
123int linux_set_cloned_tls(struct thread *td, void *desc);
124
125#endif	/* _LINUX_MISC_H_ */
126