1/*-
2 * Copyright (c) 1994-1996 S��ren Schmidt
3 * Copyright (c) 2013 Dmitry Chagin
4 * Copyright (c) 2018 Turing Robotic Industries Inc.
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
28/*
29 * $FreeBSD$
30 */
31#ifndef _ARM64_LINUX_H_
32#define	_ARM64_LINUX_H_
33
34#include <sys/abi_compat.h>
35
36#include <compat/linux/linux.h>
37#include <arm64/linux/linux_syscall.h>
38
39#define	LINUX_DTRACE	linuxulator
40
41/* Provide a separate set of types for the Linux types */
42typedef int32_t		l_int;
43typedef int64_t		l_long;
44typedef int16_t		l_short;
45typedef uint32_t	l_uint;
46typedef uint64_t	l_ulong;
47typedef uint16_t	l_ushort;
48
49typedef l_ulong		l_uintptr_t;
50typedef l_long		l_clock_t;
51typedef l_int		l_daddr_t;
52typedef l_ulong		l_dev_t;
53typedef l_uint		l_gid_t;
54typedef l_ushort	l_gid16_t;	/* XXX */
55typedef l_uint		l_uid_t;
56typedef l_ushort	l_uid16_t;	/* XXX */
57typedef l_ulong		l_ino_t;
58typedef l_int		l_key_t;
59typedef l_long		l_loff_t;
60typedef l_uint		l_mode_t;
61typedef l_long		l_off_t;
62typedef l_int		l_pid_t;
63typedef l_ulong		l_size_t;
64typedef l_long		l_suseconds_t;
65typedef l_long		l_time_t;
66typedef l_int		l_timer_t;	/* XXX */
67typedef l_int		l_mqd_t;
68typedef l_ulong		l_fd_mask;
69
70typedef struct {
71	l_int		val[2];
72} l_fsid_t;
73
74typedef struct {
75	l_time_t	tv_sec;
76	l_suseconds_t	tv_usec;
77} l_timeval;
78
79#define	l_fd_set	fd_set
80
81/* Miscellaneous */
82#define	LINUX_AT_COUNT		20
83
84struct l___sysctl_args
85{
86	l_uintptr_t	name;
87	l_int		nlen;
88	l_uintptr_t	oldval;
89	l_uintptr_t	oldlenp;
90	l_uintptr_t	newval;
91	l_uintptr_t	newlen;
92	l_ulong		__spare[4];
93};
94
95/* Resource limits */
96#define	LINUX_RLIMIT_CPU	0
97#define	LINUX_RLIMIT_FSIZE	1
98#define	LINUX_RLIMIT_DATA	2
99#define	LINUX_RLIMIT_STACK	3
100#define	LINUX_RLIMIT_CORE	4
101#define	LINUX_RLIMIT_RSS	5
102#define	LINUX_RLIMIT_NPROC	6
103#define	LINUX_RLIMIT_NOFILE	7
104#define	LINUX_RLIMIT_MEMLOCK	8
105#define	LINUX_RLIMIT_AS		9	/* Address space limit */
106
107#define	LINUX_RLIM_NLIMITS	10
108
109struct l_rlimit {
110	l_ulong		rlim_cur;
111	l_ulong		rlim_max;
112};
113
114/* stat family of syscalls */
115struct l_timespec {
116	l_time_t	tv_sec;
117	l_long		tv_nsec;
118};
119
120struct l_newstat {
121	l_dev_t		st_dev;
122	l_ino_t		st_ino;
123	l_uint		st_mode;
124	l_uint		st_nlink;
125
126	l_uid_t		st_uid;
127	l_gid_t		st_gid;
128
129	l_dev_t		st_rdev;
130	l_ulong		__st_pad1;
131	l_off_t		st_size;
132	l_int		st_blksize;
133	l_int		__st_pad2;
134	l_long		st_blocks;
135
136	struct l_timespec	st_atim;
137	struct l_timespec	st_mtim;
138	struct l_timespec	st_ctim;
139	l_uint		__unused1;
140	l_uint		__unused2;
141};
142
143/* sigaction flags */
144#define	LINUX_SA_NOCLDSTOP	0x00000001
145#define	LINUX_SA_NOCLDWAIT	0x00000002
146#define	LINUX_SA_SIGINFO	0x00000004
147#define	LINUX_SA_RESTORER	0x04000000
148#define	LINUX_SA_ONSTACK	0x08000000
149#define	LINUX_SA_RESTART	0x10000000
150#define	LINUX_SA_INTERRUPT	0x20000000	/* XXX */
151#define	LINUX_SA_NOMASK		0x40000000	/* SA_NODEFER */
152#define	LINUX_SA_ONESHOT	0x80000000	/* SA_RESETHAND */
153
154/* sigprocmask actions */
155#define	LINUX_SIG_BLOCK		0
156#define	LINUX_SIG_UNBLOCK	1
157#define	LINUX_SIG_SETMASK	2
158
159/* sigaltstack */
160#define	LINUX_MINSIGSTKSZ	2048		/* XXX */
161
162typedef void	(*l_handler_t)(l_int);
163
164typedef struct {
165	l_handler_t	lsa_handler;
166	l_ulong		lsa_flags;
167	l_uintptr_t	lsa_restorer;
168	l_sigset_t	lsa_mask;
169} l_sigaction_t;				/* XXX */
170
171typedef struct {
172	l_uintptr_t	ss_sp;
173	l_int		ss_flags;
174	l_size_t	ss_size;
175} l_stack_t;
176
177#define	LINUX_SI_PREAMBLE_SIZE	(4 * sizeof(int))
178#define	LINUX_SI_MAX_SIZE	128
179#define	LINUX_SI_PAD_SIZE	((LINUX_SI_MAX_SIZE - \
180				    LINUX_SI_PREAMBLE_SIZE) / sizeof(l_int))
181typedef union l_sigval {
182	l_int		sival_int;
183	l_uintptr_t	sival_ptr;
184} l_sigval_t;
185
186typedef struct l_siginfo {
187	l_int		lsi_signo;
188	l_int		lsi_errno;
189	l_int		lsi_code;
190	union {
191		l_int	_pad[LINUX_SI_PAD_SIZE];
192
193		struct {
194			l_pid_t		_pid;
195			l_uid_t		_uid;
196		} _kill;
197
198		struct {
199			l_timer_t	_tid;
200			l_int		_overrun;
201			char		_pad[sizeof(l_uid_t) - sizeof(int)];
202			union l_sigval	_sigval;
203			l_uint		_sys_private;
204		} _timer;
205
206		struct {
207			l_pid_t		_pid;		/* sender's pid */
208			l_uid_t		_uid;		/* sender's uid */
209			union l_sigval	_sigval;
210		} _rt;
211
212		struct {
213			l_pid_t		_pid;		/* which child */
214			l_uid_t		_uid;		/* sender's uid */
215			l_int		_status;	/* exit code */
216			l_clock_t	_utime;
217			l_clock_t	_stime;
218		} _sigchld;
219
220		struct {
221			l_uintptr_t	_addr;	/* Faulting insn/memory ref. */
222		} _sigfault;
223
224		struct {
225			l_long		_band;	/* POLL_IN,POLL_OUT,POLL_MSG */
226			l_int		_fd;
227		} _sigpoll;
228	} _sifields;
229} l_siginfo_t;
230
231#define	lsi_pid		_sifields._kill._pid
232#define	lsi_uid		_sifields._kill._uid
233#define	lsi_tid		_sifields._timer._tid
234#define	lsi_overrun	_sifields._timer._overrun
235#define	lsi_sys_private	_sifields._timer._sys_private
236#define	lsi_status	_sifields._sigchld._status
237#define	lsi_utime	_sifields._sigchld._utime
238#define	lsi_stime	_sifields._sigchld._stime
239#define	lsi_value	_sifields._rt._sigval
240#define	lsi_int		_sifields._rt._sigval.sival_int
241#define	lsi_ptr		_sifields._rt._sigval.sival_ptr
242#define	lsi_addr	_sifields._sigfault._addr
243#define	lsi_band	_sifields._sigpoll._band
244#define	lsi_fd		_sifields._sigpoll._fd
245
246union l_semun {
247	l_int		val;
248	l_uintptr_t	buf;
249	l_uintptr_t	array;
250	l_uintptr_t	__buf;
251	l_uintptr_t	__pad;
252};
253
254struct l_ifmap {
255	l_ulong		mem_start;
256	l_ulong		mem_end;
257	l_ushort	base_addr;
258	u_char		irq;
259	u_char		dma;
260	u_char		port;
261} __packed;
262
263struct l_ifreq {
264	union {
265		char	ifrn_name[LINUX_IFNAMSIZ];
266	} ifr_ifrn;
267
268	union {
269		struct l_sockaddr	ifru_addr;
270		struct l_sockaddr	ifru_dstaddr;
271		struct l_sockaddr	ifru_broadaddr;
272		struct l_sockaddr	ifru_netmask;
273		struct l_sockaddr	ifru_hwaddr;
274		l_short		ifru_flags[1];
275		l_int		ifru_ivalue;
276		l_int		ifru_mtu;
277		struct l_ifmap	ifru_map;
278		char		ifru_slave[LINUX_IFNAMSIZ];
279		l_uintptr_t	ifru_data;
280	} ifr_ifru;
281} __packed;
282
283#define	ifr_name	ifr_ifrn.ifrn_name	/* Interface name */
284#define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
285#define	ifr_ifindex	ifr_ifru.ifru_ivalue	/* Interface index */
286
287#define	linux_copyout_rusage(r, u)	copyout(r, u, sizeof(*r))
288
289/* robust futexes */
290struct linux_robust_list {
291	l_uintptr_t			next;
292};
293
294struct linux_robust_list_head {
295	struct linux_robust_list	list;
296	l_long				futex_offset;
297	l_uintptr_t			pending_list;
298};
299
300#endif /* _ARM64_LINUX_H_ */
301