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qemu-e2k/bsd-user/syscall_defs.h
Stacey Son d314ae93f1 bsd-user: Define procctl(2) related structs 
Implement procctl flags and related structs:
struct target_procctl_reaper_status
struct target_procctl_reaper_pidinfo
struct target_procctl_reaper_pids
struct target_procctl_reaper_kill

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-3-kariem.taha2.7@gmail.com>
2023-10-03 17:14:06 -06:00

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/*
* System call related declarations
*
* Copyright (c) 2013-15 Stacey D. Son (sson at FreeBSD)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SYSCALL_DEFS_H
#define SYSCALL_DEFS_H
#include <sys/syscall.h>
#include <sys/resource.h>
#include "errno_defs.h"
#include "freebsd/syscall_nr.h"
#include "netbsd/syscall_nr.h"
#include "openbsd/syscall_nr.h"
/*
* machine/_types.h
* or x86/_types.h
*/
/*
* time_t seems to be very inconsistly defined for the different *BSD's...
*
* FreeBSD uses a 64bits time_t except on i386
* so we have to add a special case here.
*
* On NetBSD time_t is always defined as an int64_t. On OpenBSD time_t
* is always defined as an int.
*
*/
#if (!defined(TARGET_I386))
typedef int64_t target_time_t;
#else
typedef int32_t target_time_t;
#endif
struct target_iovec {
abi_long iov_base; /* Starting address */
abi_long iov_len; /* Number of bytes */
};
/*
* sys/mman.h
*/
#define TARGET_FREEBSD_MAP_RESERVED0080 0x0080 /* previously misimplemented */
/* MAP_INHERIT */
#define TARGET_FREEBSD_MAP_RESERVED0100 0x0100 /* previously unimplemented */
/* MAP_NOEXTEND */
#define TARGET_FREEBSD_MAP_STACK 0x0400 /* region grows down, like a */
/* stack */
#define TARGET_FREEBSD_MAP_NOSYNC 0x0800 /* page to but do not sync */
/* underlying file */
#define TARGET_FREEBSD_MAP_FLAGMASK 0x1ff7
#define TARGET_NETBSD_MAP_INHERIT 0x0080 /* region is retained after */
/* exec */
#define TARGET_NETBSD_MAP_TRYFIXED 0x0400 /* attempt hint address, even */
/* within break */
#define TARGET_NETBSD_MAP_WIRED 0x0800 /* mlock() mapping when it is */
/* established */
#define TARGET_NETBSD_MAP_STACK 0x2000 /* allocated from memory, */
/* swap space (stack) */
#define TARGET_NETBSD_MAP_FLAGMASK 0x3ff7
#define TARGET_OPENBSD_MAP_INHERIT 0x0080 /* region is retained after */
/* exec */
#define TARGET_OPENBSD_MAP_NOEXTEND 0x0100 /* for MAP_FILE, don't change */
/* file size */
#define TARGET_OPENBSD_MAP_TRYFIXED 0x0400 /* attempt hint address, */
/* even within heap */
#define TARGET_OPENBSD_MAP_FLAGMASK 0x17f7
/* XXX */
#define TARGET_BSD_MAP_FLAGMASK 0x3ff7
/*
* sys/time.h
* sys/timex.h
*/
typedef abi_long target_freebsd_suseconds_t;
/* compare to sys/timespec.h */
struct target_freebsd_timespec {
target_time_t tv_sec; /* seconds */
abi_long tv_nsec; /* and nanoseconds */
#if !defined(TARGET_I386) && TARGET_ABI_BITS == 32
abi_long _pad;
#endif
};
#define TARGET_CPUCLOCK_WHICH_PID 0
#define TARGET_CPUCLOCK_WHICH_TID 1
/* sys/umtx.h */
struct target_freebsd__umtx_time {
struct target_freebsd_timespec _timeout;
uint32_t _flags;
uint32_t _clockid;
};
struct target_freebsd_timeval {
target_time_t tv_sec; /* seconds */
target_freebsd_suseconds_t tv_usec;/* and microseconds */
#if !defined(TARGET_I386) && TARGET_ABI_BITS == 32
abi_long _pad;
#endif
};
/*
* sys/resource.h
*/
#define TARGET_RLIM_INFINITY RLIM_INFINITY
#define TARGET_RLIMIT_CPU 0
#define TARGET_RLIMIT_FSIZE 1
#define TARGET_RLIMIT_DATA 2
#define TARGET_RLIMIT_STACK 3
#define TARGET_RLIMIT_CORE 4
#define TARGET_RLIMIT_RSS 5
#define TARGET_RLIMIT_MEMLOCK 6
#define TARGET_RLIMIT_NPROC 7
#define TARGET_RLIMIT_NOFILE 8
#define TARGET_RLIMIT_SBSIZE 9
#define TARGET_RLIMIT_AS 10
#define TARGET_RLIMIT_NPTS 11
#define TARGET_RLIMIT_SWAP 12
struct target_rlimit {
uint64_t rlim_cur;
uint64_t rlim_max;
};
struct target_freebsd_rusage {
struct target_freebsd_timeval ru_utime; /* user time used */
struct target_freebsd_timeval ru_stime; /* system time used */
abi_long ru_maxrss; /* maximum resident set size */
abi_long ru_ixrss; /* integral shared memory size */
abi_long ru_idrss; /* integral unshared data size */
abi_long ru_isrss; /* integral unshared stack size */
abi_long ru_minflt; /* page reclaims */
abi_long ru_majflt; /* page faults */
abi_long ru_nswap; /* swaps */
abi_long ru_inblock; /* block input operations */
abi_long ru_oublock; /* block output operations */
abi_long ru_msgsnd; /* messages sent */
abi_long ru_msgrcv; /* messages received */
abi_long ru_nsignals; /* signals received */
abi_long ru_nvcsw; /* voluntary context switches */
abi_long ru_nivcsw; /* involuntary context switches */
};
struct target_freebsd__wrusage {
struct target_freebsd_rusage wru_self;
struct target_freebsd_rusage wru_children;
};
/*
* sys/stat.h
*/
struct target_freebsd11_stat {
uint32_t st_dev; /* inode's device */
uint32_t st_ino; /* inode's number */
int16_t st_mode; /* inode protection mode */
int16_t st_nlink; /* number of hard links */
uint32_t st_uid; /* user ID of the file's owner */
uint32_t st_gid; /* group ID of the file's group */
uint32_t st_rdev; /* device type */
struct target_freebsd_timespec st_atim; /* time last accessed */
struct target_freebsd_timespec st_mtim; /* time last data modification */
struct target_freebsd_timespec st_ctim; /* time last file status change */
int64_t st_size; /* file size, in bytes */
int64_t st_blocks; /* blocks allocated for file */
uint32_t st_blksize; /* optimal blocksize for I/O */
uint32_t st_flags; /* user defined flags for file */
uint32_t st_gen; /* file generation number */
int32_t st_lspare;
struct target_freebsd_timespec st_birthtim; /* time of file creation */
/*
* Explicitly pad st_birthtim to 16 bytes so that the size of
* struct stat is backwards compatible. We use bitfields instead
* of an array of chars so that this doesn't require a C99 compiler
* to compile if the size of the padding is 0. We use 2 bitfields
* to cover up to 64 bits on 32-bit machines. We assume that
* CHAR_BIT is 8...
*/
unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
} __packed;
#if defined(__i386__)
#define TARGET_HAS_STAT_TIME_T_EXT 1
#endif
struct target_stat {
uint64_t st_dev; /* inode's device */
uint64_t st_ino; /* inode's number */
uint64_t st_nlink; /* number of hard links */
int16_t st_mode; /* inode protection mode */
int16_t st_padding0;
uint32_t st_uid; /* user ID of the file's owner */
uint32_t st_gid; /* group ID of the file's group */
int32_t st_padding1;
uint64_t st_rdev; /* device type */
#ifdef TARGET_HAS_STAT_TIME_T_EXT
int32_t st_atim_ext;
#endif
struct target_freebsd_timespec st_atim; /* time of last access */
#ifdef TARGET_HAS_STAT_TIME_T_EXT
int32_t st_mtim_ext;
#endif
struct target_freebsd_timespec st_mtim; /* time of last data modification */
#ifdef TARGET_HAS_STAT_TIME_T_EXT
int32_t st_ctim_ext;
#endif
struct target_freebsd_timespec st_ctim;/* time of last file status change */
#ifdef TARGET_HAS_STAT_TIME_T_EXT
int32_t st_btim_ext;
#endif
struct target_freebsd_timespec st_birthtim; /* time of file creation */
int64_t st_size; /* file size, in bytes */
int64_t st_blocks; /* blocks allocated for file */
uint32_t st_blksize; /* optimal blocksize for I/O */
uint32_t st_flags; /* user defined flags for file */
uint64_t st_gen; /* file generation number */
uint64_t st_spare[10];
};
/* struct nstat is the same as stat above but without the st_lspare field */
struct target_freebsd11_nstat {
uint32_t st_dev; /* inode's device */
uint32_t st_ino; /* inode's number */
int16_t st_mode; /* inode protection mode */
int16_t st_nlink; /* number of hard links */
uint32_t st_uid; /* user ID of the file's owner */
uint32_t st_gid; /* group ID of the file's group */
uint32_t st_rdev; /* device type */
struct target_freebsd_timespec st_atim; /* time last accessed */
struct target_freebsd_timespec st_mtim; /* time last data modification */
struct target_freebsd_timespec st_ctim; /* time last file status change */
int64_t st_size; /* file size, in bytes */
int64_t st_blocks; /* blocks allocated for file */
uint32_t st_blksize; /* optimal blocksize for I/O */
uint32_t st_flags; /* user defined flags for file */
uint32_t st_gen; /* file generation number */
struct target_freebsd_timespec st_birthtim; /* time of file creation */
/*
* Explicitly pad st_birthtim to 16 bytes so that the size of
* struct stat is backwards compatible. We use bitfields instead
* of an array of chars so that this doesn't require a C99 compiler
* to compile if the size of the padding is 0. We use 2 bitfields
* to cover up to 64 bits on 32-bit machines. We assume that
* CHAR_BIT is 8...
*/
unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
} __packed;
/*
* sys/mount.h
*/
/* filesystem id type */
typedef struct target_freebsd_fsid { int32_t val[2]; } target_freebsd_fsid_t;
/* filesystem statistics */
struct target_freebsd11_statfs {
uint32_t f_version; /* structure version number */
uint32_t f_type; /* type of filesystem */
uint64_t f_flags; /* copy of mount exported flags */
uint64_t f_bsize; /* filesystem fragment size */
uint64_t f_iosize; /* optimal transfer block size */
uint64_t f_blocks; /* total data blocks in filesystem */
uint64_t f_bfree; /* free blocks in filesystem */
int64_t f_bavail; /* free blocks avail to non-superuser */
uint64_t f_files; /* total file nodes in filesystem */
int64_t f_ffree; /* free nodes avail to non-superuser */
uint64_t f_syncwrites; /* count of sync writes since mount */
uint64_t f_asyncwrites; /* count of async writes since mount */
uint64_t f_syncreads; /* count of sync reads since mount */
uint64_t f_asyncreads; /* count of async reads since mount */
uint64_t f_spare[10]; /* unused spare */
uint32_t f_namemax; /* maximum filename length */
uint32_t f_owner; /* user that mounted the filesystem */
target_freebsd_fsid_t f_fsid; /* filesystem id */
char f_charspare[80]; /* spare string space */
char f_fstypename[16]; /* filesys type name */
char f_mntfromname[88]; /* mount filesystem */
char f_mntonname[88]; /* dir on which mounted*/
};
struct target_statfs {
uint32_t f_version; /* structure version number */
uint32_t f_type; /* type of filesystem */
uint64_t f_flags; /* copy of mount exported flags */
uint64_t f_bsize; /* filesystem fragment size */
uint64_t f_iosize; /* optimal transfer block size */
uint64_t f_blocks; /* total data blocks in filesystem */
uint64_t f_bfree; /* free blocks in filesystem */
int64_t f_bavail; /* free blocks avail to non-superuser */
uint64_t f_files; /* total file nodes in filesystem */
int64_t f_ffree; /* free nodes avail to non-superuser */
uint64_t f_syncwrites; /* count of sync writes since mount */
uint64_t f_asyncwrites; /* count of async writes since mount */
uint64_t f_syncreads; /* count of sync reads since mount */
uint64_t f_asyncreads; /* count of async reads since mount */
uint64_t f_spare[10]; /* unused spare */
uint32_t f_namemax; /* maximum filename length */
uint32_t f_owner; /* user that mounted the filesystem */
target_freebsd_fsid_t f_fsid; /* filesystem id */
char f_charspare[80]; /* spare string space */
char f_fstypename[16]; /* filesystem type name */
char f_mntfromname[1024]; /* mounted filesystem */
char f_mntonname[1024]; /* directory on which mounted */
};
/* File identifier. These are unique per filesystem on a single machine. */
#define TARGET_MAXFIDSZ 16
struct target_freebsd_fid {
uint16_t fid_len; /* len of data in bytes */
uint16_t fid_data0; /* force longword align */
char fid_data[TARGET_MAXFIDSZ]; /* data (variable len) */
};
/* Generic file handle */
struct target_freebsd_fhandle {
target_freebsd_fsid_t fh_fsid; /* Filesystem id of mount point */
struct target_freebsd_fid fh_fid; /* Filesys specific id */
};
typedef struct target_freebsd_fhandle target_freebsd_fhandle_t;
/*
* sys/fcntl.h
*/
#define TARGET_F_DUPFD 0
#define TARGET_F_GETFD 1
#define TARGET_F_SETFD 2
#define TARGET_F_GETFL 3
#define TARGET_F_SETFL 4
#define TARGET_F_GETOWN 5
#define TARGET_F_SETOWN 6
#define TARGET_F_OGETLK 7
#define TARGET_F_OSETLK 8
#define TARGET_F_OSETLKW 9
#define TARGET_F_DUP2FD 10
#define TARGET_F_GETLK 11
#define TARGET_F_SETLK 12
#define TARGET_F_SETLKW 13
#define TARGET_F_SETLK_REMOTE 14
#define TARGET_F_READAHEAD 15
#define TARGET_F_RDAHEAD 16
#define TARGET_F_DUPFD_CLOEXEC 17
#define TARGET_F_DUP2FD_CLOEXEC 18
/* FreeBSD-specific */
#define TARGET_F_ADD_SEALS 19
#define TARGET_F_GET_SEALS 20
struct target_freebsd_flock {
int64_t l_start;
int64_t l_len;
int32_t l_pid;
int16_t l_type;
int16_t l_whence;
int32_t l_sysid;
} QEMU_PACKED;
/* sys/unistd.h */
/* user: vfork(2) semantics, clear signals */
#define TARGET_RFSPAWN (1U << 31)
/*
* from sys/procctl.h
*/
#define TARGET_PROC_SPROTECT 1
#define TARGET_PROC_REAP_ACQUIRE 2
#define TARGET_PROC_REAP_RELEASE 3
#define TARGET_PROC_REAP_STATUS 4
#define TARGET_PROC_REAP_GETPIDS 5
#define TARGET_PROC_REAP_KILL 6
struct target_procctl_reaper_status {
uint32_t rs_flags;
uint32_t rs_children;
uint32_t rs_descendants;
uint32_t rs_reaper;
uint32_t rs_pid;
uint32_t rs_pad0[15];
};
struct target_procctl_reaper_pidinfo {
uint32_t pi_pid;
uint32_t pi_subtree;
uint32_t pi_flags;
uint32_t pi_pad0[15];
};
struct target_procctl_reaper_pids {
uint32_t rp_count;
uint32_t rp_pad0[15];
abi_ulong rp_pids;
};
struct target_procctl_reaper_kill {
int32_t rk_sig;
uint32_t rk_flags;
uint32_t rk_subtree;
uint32_t rk_killed;
uint32_t rk_fpid;
uint32_t rk_pad0[15];
};
#define safe_syscall0(type, name) \
type safe_##name(void) \
{ \
return safe_syscall(SYS_##name); \
}
#define safe_syscall1(type, name, type1, arg1) \
type safe_##name(type1 arg1) \
{ \
return safe_syscall(SYS_##name, arg1); \
}
#define safe_syscall2(type, name, type1, arg1, type2, arg2) \
type safe_##name(type1 arg1, type2 arg2) \
{ \
return safe_syscall(SYS_##name, arg1, arg2); \
}
#define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
{ \
return safe_syscall(SYS_##name, arg1, arg2, arg3); \
}
#define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
type4, arg4) \
type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
{ \
return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4); \
}
#define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
type4, arg4, type5, arg5) \
type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
type5 arg5) \
{ \
return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5); \
}
#define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
type4, arg4, type5, arg5, type6, arg6) \
type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
type5 arg5, type6 arg6) \
{ \
return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
}
#define safe_fcntl(...) safe_syscall(SYS_fcntl, __VA_ARGS__)
/* So far all target and host bitmasks are the same */
#undef target_to_host_bitmask
#define target_to_host_bitmask(x, tbl) (x)
#undef host_to_target_bitmask
#define host_to_target_bitmask(x, tbl) (x)
#endif /* SYSCALL_DEFS_H */
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