[thirdparty/systemd.git] / src / shared / missing.h

/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/

#pragma once

/***
  This file is part of systemd.

  Copyright 2010 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

/* Missing glibc definitions to access certain kernel APIs */

#include <sys/resource.h>
#include <sys/syscall.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <linux/oom.h>
#include <linux/input.h>
#include <linux/if_link.h>
#include <linux/loop.h>

#ifdef HAVE_AUDIT
#include <libaudit.h>
#endif

#include "macro.h"

#ifdef ARCH_MIPS
#include <asm/sgidefs.h>
#endif

#ifndef RLIMIT_RTTIME
#define RLIMIT_RTTIME 15
#endif

/* If RLIMIT_RTTIME is not defined, then we cannot use RLIMIT_NLIMITS as is */
#define _RLIMIT_MAX (RLIMIT_RTTIME+1 > RLIMIT_NLIMITS ? RLIMIT_RTTIME+1 : RLIMIT_NLIMITS)

#ifndef F_LINUX_SPECIFIC_BASE
#define F_LINUX_SPECIFIC_BASE 1024
#endif

#ifndef F_SETPIPE_SZ
#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
#endif

#ifndef F_GETPIPE_SZ
#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
#endif

#ifndef F_ADD_SEALS
#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)

#define F_SEAL_SEAL     0x0001  /* prevent further seals from being set */
#define F_SEAL_SHRINK   0x0002  /* prevent file from shrinking */
#define F_SEAL_GROW     0x0004  /* prevent file from growing */
#define F_SEAL_WRITE    0x0008  /* prevent writes */
#endif

#ifndef MFD_ALLOW_SEALING
#define MFD_ALLOW_SEALING 0x0002ULL
#endif

#ifndef IP_FREEBIND
#define IP_FREEBIND 15
#endif

#ifndef OOM_SCORE_ADJ_MIN
#define OOM_SCORE_ADJ_MIN (-1000)
#endif

#ifndef OOM_SCORE_ADJ_MAX
#define OOM_SCORE_ADJ_MAX 1000
#endif

#ifndef AUDIT_SERVICE_START
#define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
#endif

#ifndef AUDIT_SERVICE_STOP
#define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
#endif

#ifndef TIOCVHANGUP
#define TIOCVHANGUP 0x5437
#endif

#ifndef IP_TRANSPARENT
#define IP_TRANSPARENT 19
#endif

#ifndef SOL_NETLINK
#define SOL_NETLINK 270
#endif

#if !HAVE_DECL_PIVOT_ROOT
static inline int pivot_root(const char *new_root, const char *put_old) {
        return syscall(SYS_pivot_root, new_root, put_old);
}
#endif

#ifndef __NR_memfd_create
#  if defined __x86_64__
#    define __NR_memfd_create 319
#  elif defined __arm__
#    define __NR_memfd_create 385
#  elif defined _MIPS_SIM
#    warning "__NR_memfd_create not yet defined for MIPS"
#    define __NR_memfd_create 0xffffffff
#  else
#    define __NR_memfd_create 356
#  endif
#endif

#ifndef HAVE_MEMFD_CREATE
static inline int memfd_create(const char *name, unsigned int flags) {
        return syscall(__NR_memfd_create, name, flags);
}
#endif

#ifndef __NR_getrandom
#  if defined __x86_64__
#    define __NR_getrandom 278
#  else
#    warning "__NR_getrandom unknown for your architecture"
#    define __NR_getrandom 0xffffffff
#  endif
#endif

#if !HAVE_DECL_GETRANDOM
static inline int getrandom(void *buffer, size_t count, unsigned flags) {
        return syscall(__NR_getrandom, buffer, count, flags);
}
#endif

#ifndef BTRFS_IOCTL_MAGIC
#define BTRFS_IOCTL_MAGIC 0x94
#endif

#ifndef BTRFS_PATH_NAME_MAX
#define BTRFS_PATH_NAME_MAX 4087
#endif

#ifndef BTRFS_DEVICE_PATH_NAME_MAX
#define BTRFS_DEVICE_PATH_NAME_MAX 1024
#endif

#ifndef BTRFS_FSID_SIZE
#define BTRFS_FSID_SIZE 16
#endif

#ifndef BTRFS_UUID_SIZE
#define BTRFS_UUID_SIZE 16
#endif

#ifndef HAVE_LINUX_BTRFS_H
struct btrfs_ioctl_vol_args {
        int64_t fd;
        char name[BTRFS_PATH_NAME_MAX + 1];
};

struct btrfs_ioctl_dev_info_args {
        uint64_t devid;                         /* in/out */
        uint8_t uuid[BTRFS_UUID_SIZE];          /* in/out */
        uint64_t bytes_used;                    /* out */
        uint64_t total_bytes;                   /* out */
        uint64_t unused[379];                   /* pad to 4k */
        char path[BTRFS_DEVICE_PATH_NAME_MAX];  /* out */
};

struct btrfs_ioctl_fs_info_args {
        uint64_t max_id;                        /* out */
        uint64_t num_devices;                   /* out */
        uint8_t fsid[BTRFS_FSID_SIZE];          /* out */
        uint64_t reserved[124];                 /* pad to 1k */
};
#endif

#ifndef BTRFS_IOC_DEFRAG
#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
                                 struct btrfs_ioctl_vol_args)
#endif

#ifndef BTRFS_IOC_DEV_INFO
#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
                                 struct btrfs_ioctl_dev_info_args)
#endif

#ifndef BTRFS_IOC_FS_INFO
#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
                                 struct btrfs_ioctl_fs_info_args)
#endif

#ifndef BTRFS_IOC_DEVICES_READY
#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
                                 struct btrfs_ioctl_vol_args)
#endif

#ifndef BTRFS_SUPER_MAGIC
#define BTRFS_SUPER_MAGIC 0x9123683E
#endif

#ifndef MS_MOVE
#define MS_MOVE 8192
#endif

#ifndef MS_PRIVATE
#define MS_PRIVATE  (1 << 18)
#endif

#if !HAVE_DECL_GETTID
static inline pid_t gettid(void) {
        return (pid_t) syscall(SYS_gettid);
}
#endif

#ifndef SCM_SECURITY
#define SCM_SECURITY 0x03
#endif

#ifndef MS_STRICTATIME
#define MS_STRICTATIME (1<<24)
#endif

#ifndef MS_REC
#define MS_REC 16384
#endif

#ifndef MS_SHARED
#define MS_SHARED (1<<20)
#endif

#ifndef PR_SET_NO_NEW_PRIVS
#define PR_SET_NO_NEW_PRIVS 38
#endif

#ifndef PR_SET_CHILD_SUBREAPER
#define PR_SET_CHILD_SUBREAPER 36
#endif

#ifndef MAX_HANDLE_SZ
#define MAX_HANDLE_SZ 128
#endif

#ifndef __NR_name_to_handle_at
#  if defined(__x86_64__)
#    define __NR_name_to_handle_at 303
#  elif defined(__i386__)
#    define __NR_name_to_handle_at 341
#  elif defined(__arm__)
#    define __NR_name_to_handle_at 370
#  elif defined(__powerpc__)
#    define __NR_name_to_handle_at 345
#  else
#    error "__NR_name_to_handle_at is not defined"
#  endif
#endif

#if !HAVE_DECL_NAME_TO_HANDLE_AT
struct file_handle {
        unsigned int handle_bytes;
        int handle_type;
        unsigned char f_handle[0];
};

static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
        return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
}
#endif

#ifndef HAVE_SECURE_GETENV
#  ifdef HAVE___SECURE_GETENV
#    define secure_getenv __secure_getenv
#  else
#    error "neither secure_getenv nor __secure_getenv are available"
#  endif
#endif

#ifndef CIFS_MAGIC_NUMBER
#  define CIFS_MAGIC_NUMBER 0xFF534D42
#endif

#ifndef TFD_TIMER_CANCEL_ON_SET
#  define TFD_TIMER_CANCEL_ON_SET (1 << 1)
#endif

#ifndef SO_REUSEPORT
#  define SO_REUSEPORT 15
#endif

#ifndef EVIOCREVOKE
#  define EVIOCREVOKE _IOW('E', 0x91, int)
#endif

#ifndef DRM_IOCTL_SET_MASTER
#  define DRM_IOCTL_SET_MASTER _IO('d', 0x1e)
#endif

#ifndef DRM_IOCTL_DROP_MASTER
#  define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
#endif

#if defined(__i386__) || defined(__x86_64__)

/* The precise definition of __O_TMPFILE is arch specific, so let's
 * just define this on x86 where we know the value. */

#ifndef __O_TMPFILE
#define __O_TMPFILE     020000000
#endif

/* a horrid kludge trying to make sure that this will fail on old kernels */
#ifndef O_TMPFILE
#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
#endif

#endif

#ifndef __NR_setns
#  if defined(__x86_64__)
#    define __NR_setns 308
#  elif defined(__i386__)
#    define __NR_setns 346
#  else
#    error "__NR_setns is not defined"
#  endif
#endif

#if !HAVE_DECL_SETNS
static inline int setns(int fd, int nstype) {
        return syscall(__NR_setns, fd, nstype);
}
#endif

#if !HAVE_DECL_LO_FLAGS_PARTSCAN
#define LO_FLAGS_PARTSCAN 8
#endif

#ifndef LOOP_CTL_REMOVE
#define LOOP_CTL_REMOVE 0x4C81
#endif

#ifndef LOOP_CTL_GET_FREE
#define LOOP_CTL_GET_FREE 0x4C82
#endif

#if !HAVE_DECL_IFLA_MACVLAN_FLAGS
#define IFLA_MACVLAN_UNSPEC 0
#define IFLA_MACVLAN_MODE 1
#define IFLA_MACVLAN_FLAGS 2
#define __IFLA_MACVLAN_MAX 3

#define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
#endif

#if !HAVE_DECL_IFLA_VTI_REMOTE
#define IFLA_VTI_UNSPEC 0
#define IFLA_VTI_LINK 1
#define IFLA_VTI_IKEY 2
#define IFLA_VTI_OKEY 3
#define IFLA_VTI_LOCAL 4
#define IFLA_VTI_REMOTE 5
#define __IFLA_VTI_MAX 6

#define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
#endif

#if !HAVE_DECL_IFLA_PHYS_PORT_ID
#undef IFLA_PROMISCUITY
#define IFLA_PROMISCUITY 30
#define IFLA_NUM_TX_QUEUES 31
#define IFLA_NUM_RX_QUEUES 32
#define IFLA_CARRIER 33
#define IFLA_PHYS_PORT_ID 34
#define __IFLA_MAX 35

#define IFLA_MAX (__IFLA_MAX - 1)
#endif

#if !HAVE_DECL_IFLA_BOND_AD_INFO
#define IFLA_BOND_UNSPEC 0
#define IFLA_BOND_MODE 1
#define IFLA_BOND_ACTIVE_SLAVE 2
#define IFLA_BOND_MIIMON 3
#define IFLA_BOND_UPDELAY 4
#define IFLA_BOND_DOWNDELAY 5
#define IFLA_BOND_USE_CARRIER 6
#define IFLA_BOND_ARP_INTERVAL 7
#define IFLA_BOND_ARP_IP_TARGET 8
#define IFLA_BOND_ARP_VALIDATE 9
#define IFLA_BOND_ARP_ALL_TARGETS 10
#define IFLA_BOND_PRIMARY 11
#define IFLA_BOND_PRIMARY_RESELECT 12
#define IFLA_BOND_FAIL_OVER_MAC 13
#define IFLA_BOND_XMIT_HASH_POLICY 14
#define IFLA_BOND_RESEND_IGMP 15
#define IFLA_BOND_NUM_PEER_NOTIF 16
#define IFLA_BOND_ALL_SLAVES_ACTIVE 17
#define IFLA_BOND_MIN_LINKS 18
#define IFLA_BOND_LP_INTERVAL 19
#define IFLA_BOND_PACKETS_PER_SLAVE 20
#define IFLA_BOND_AD_LACP_RATE 21
#define IFLA_BOND_AD_SELECT 22
#define IFLA_BOND_AD_INFO 23
#define __IFLA_BOND_MAX 24

#define IFLA_BOND_MAX	(__IFLA_BOND_MAX - 1)
#endif

#if !HAVE_DECL_IFLA_VLAN_PROTOCOL
#define IFLA_VLAN_UNSPEC 0
#define IFLA_VLAN_ID 1
#define IFLA_VLAN_FLAGS 2
#define IFLA_VLAN_EGRESS_QOS 3
#define IFLA_VLAN_INGRESS_QOS 4
#define IFLA_VLAN_PROTOCOL 5
#define __IFLA_VLAN_MAX 6

#define IFLA_VLAN_MAX   (__IFLA_VLAN_MAX - 1)
#endif

#if !HAVE_DECL_IFLA_VXLAN_LOCAL6
#define IFLA_VXLAN_UNSPEC 0
#define IFLA_VXLAN_ID 1
#define IFLA_VXLAN_GROUP 2
#define IFLA_VXLAN_LINK 3
#define IFLA_VXLAN_LOCAL 4
#define IFLA_VXLAN_TTL 5
#define IFLA_VXLAN_TOS 6
#define IFLA_VXLAN_LEARNING 7
#define IFLA_VXLAN_AGEING 8
#define IFLA_VXLAN_LIMIT 9
#define IFLA_VXLAN_PORT_RANGE 10
#define IFLA_VXLAN_PROXY 11
#define IFLA_VXLAN_RSC 12
#define IFLA_VXLAN_L2MISS 13
#define IFLA_VXLAN_L3MISS 14
#define IFLA_VXLAN_PORT 15
#define IFLA_VXLAN_GROUP6 16
#define IFLA_VXLAN_LOCAL6 17
#define __IFLA_VXLAN_MAX 18

#define IFLA_VXLAN_MAX  (__IFLA_VXLAN_MAX - 1)
#endif

#if !HAVE_DECL_IFLA_IPTUN_6RD_RELAY_PREFIXLEN
#define IFLA_IPTUN_UNSPEC 0
#define IFLA_IPTUN_LINK 1
#define IFLA_IPTUN_LOCAL 2
#define IFLA_IPTUN_REMOTE 3
#define IFLA_IPTUN_TTL 4
#define IFLA_IPTUN_TOS 5
#define IFLA_IPTUN_ENCAP_LIMIT 6
#define IFLA_IPTUN_FLOWINFO 7
#define IFLA_IPTUN_FLAGS 8
#define IFLA_IPTUN_PROTO 9
#define IFLA_IPTUN_PMTUDISC 10
#define IFLA_IPTUN_6RD_PREFIX 11
#define IFLA_IPTUN_6RD_RELAY_PREFIX 12
#define IFLA_IPTUN_6RD_PREFIXLEN 13
#define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14
#define __IFLA_IPTUN_MAX 15

#define IFLA_IPTUN_MAX  (__IFLA_IPTUN_MAX - 1)
#endif

#if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO
#define IFLA_BRIDGE_FLAGS 0
#define IFLA_BRIDGE_MODE 1
#define IFLA_BRIDGE_VLAN_INFO 2
#define __IFLA_BRIDGE_MAX 3

#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
#endif

#ifndef IPV6_UNICAST_IF
#define IPV6_UNICAST_IF 76
#endif

#ifndef IFF_MULTI_QUEUE
#define IFF_MULTI_QUEUE 0x100
#endif

#ifndef IFF_LOWER_UP
#define IFF_LOWER_UP 0x10000
#endif

#ifndef IFF_DORMANT
#define IFF_DORMANT 0x20000
#endif

#ifndef BOND_XMIT_POLICY_ENCAP23
#define BOND_XMIT_POLICY_ENCAP23 3
#endif

#ifndef BOND_XMIT_POLICY_ENCAP34
#define BOND_XMIT_POLICY_ENCAP34 4
#endif

#ifndef NET_ADDR_RANDOM
#  define NET_ADDR_RANDOM 1
#endif

#ifndef NET_NAME_ENUM
#  define NET_NAME_ENUM 1
#endif

#ifndef NET_NAME_PREDICTABLE
#  define NET_NAME_PREDICTABLE 2
#endif

#ifndef NET_NAME_USER
#  define NET_NAME_USER 3
#endif

#ifndef NET_NAME_RENAMED
#  define NET_NAME_RENAMED 4
#endif

#ifndef BPF_XOR
#  define BPF_XOR 0xa0
#endif

/* Note that LOOPBACK_IFINDEX is currently not exported by the
 * kernel/glibc, but hardcoded internally by the kernel.  However, as
 * it is exported to userspace indirectly via rtnetlink and the
 * ioctls, and made use of widely we define it here too, in a way that
 * is compatible with the kernel's internal definition. */
#ifndef LOOPBACK_IFINDEX
#define LOOPBACK_IFINDEX 1
#endif
Commit	Line	Data
03467c88	1	/-- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil --/
15ae422b	2
c2f1db8f	3	#pragma once
b9f880f4	4
15ae422b LP	5	/***
	6	This file is part of systemd.
	7
	8	Copyright 2010 Lennart Poettering
	9
	10	systemd is free software; you can redistribute it and/or modify it
5430f7f2 LP	11	under the terms of the GNU Lesser General Public License as published by
5430f7f2 LP	12	the Free Software Foundation; either version 2.1 of the License, or
15ae422b LP	13	(at your option) any later version.
	14
	15	systemd is distributed in the hope that it will be useful, but
	16	WITHOUT ANY WARRANTY; without even the implied warranty of
	17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5430f7f2	18	Lesser General Public License for more details.
15ae422b	19
5430f7f2	20	You should have received a copy of the GNU Lesser General Public License
15ae422b LP	21	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	22	***/
	23
b9f880f4 LP	24	/* Missing glibc definitions to access certain kernel APIs */
	25
	26	#include <sys/resource.h>
15ae422b	27	#include <sys/syscall.h>
16c42ce1	28	#include <fcntl.h>
4db17f29	29	#include <stdlib.h>
82c121a4	30	#include <unistd.h>
3b794314	31	#include <errno.h>
dd6c17b1	32	#include <linux/oom.h>
118ecf32	33	#include <linux/input.h>
d5eff740	34	#include <linux/if_link.h>
a853c45d	35	#include <linux/loop.h>
dd6c17b1 LP	36
	37	#ifdef HAVE_AUDIT
	38	#include <libaudit.h>
	39	#endif
b9f880f4	40
ad780f19 LP	41	#include "macro.h"
ad780f19 LP	42
d59d0a2b	43	#ifdef ARCH_MIPS
	44	#include <asm/sgidefs.h>
	45	#endif
	46
b9f880f4 LP	47	#ifndef RLIMIT_RTTIME
	48	#define RLIMIT_RTTIME 15
	49	#endif
	50
517d56b1 LP	51	/* If RLIMIT_RTTIME is not defined, then we cannot use RLIMIT_NLIMITS as is */
	52	#define _RLIMIT_MAX (RLIMIT_RTTIME+1 > RLIMIT_NLIMITS ? RLIMIT_RTTIME+1 : RLIMIT_NLIMITS)
	53
4fd5948e LP	54	#ifndef F_LINUX_SPECIFIC_BASE
	55	#define F_LINUX_SPECIFIC_BASE 1024
	56	#endif
	57
	58	#ifndef F_SETPIPE_SZ
	59	#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
	60	#endif
	61
	62	#ifndef F_GETPIPE_SZ
	63	#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
	64	#endif
	65
a6082d77 DM	66	#ifndef F_ADD_SEALS
a6082d77 DM	67	#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
a6082d77	68	#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
a6082d77	69
a6082d77	70	#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
a6082d77	71	#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
a6082d77	72	#define F_SEAL_GROW 0x0004 /* prevent file from growing */
a6082d77 DM	73	#define F_SEAL_WRITE 0x0008 /* prevent writes */
	74	#endif
	75
	76	#ifndef MFD_ALLOW_SEALING
	77	#define MFD_ALLOW_SEALING 0x0002ULL
	78	#endif
	79
16c42ce1 KS	80	#ifndef IP_FREEBIND
	81	#define IP_FREEBIND 15
	82	#endif
	83
dd6c17b1 LP	84	#ifndef OOM_SCORE_ADJ_MIN
	85	#define OOM_SCORE_ADJ_MIN (-1000)
	86	#endif
	87
	88	#ifndef OOM_SCORE_ADJ_MAX
	89	#define OOM_SCORE_ADJ_MAX 1000
	90	#endif
15ae422b	91
4927fcae	92	#ifndef AUDIT_SERVICE_START
dd6c17b1	93	#define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
4927fcae LP	94	#endif
	95
	96	#ifndef AUDIT_SERVICE_STOP
dd6c17b1	97	#define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
4927fcae LP	98	#endif
4927fcae LP	99
6ea832a2 LP	100	#ifndef TIOCVHANGUP
	101	#define TIOCVHANGUP 0x5437
	102	#endif
	103
b90865ba KS	104	#ifndef IP_TRANSPARENT
	105	#define IP_TRANSPARENT 19
	106	#endif
	107
66269b05 TG	108	#ifndef SOL_NETLINK
	109	#define SOL_NETLINK 270
	110	#endif
	111
a8348796	112	#if !HAVE_DECL_PIVOT_ROOT
dd6c17b1 LP	113	static inline int pivot_root(const char new_root, const char put_old) {
	114	return syscall(SYS_pivot_root, new_root, put_old);
	115	}
a8348796	116	#endif
dd6c17b1	117
b244d9f3 LP	118	#ifndef __NR_memfd_create
b244d9f3 LP	119	# if defined __x86_64__
a6082d77	120	# define __NR_memfd_create 319
b244d9f3	121	# elif defined __arm__
a6082d77	122	# define __NR_memfd_create 385
b244d9f3	123	# elif defined _MIPS_SIM
2de1851f DM	124	# warning "__NR_memfd_create not yet defined for MIPS"
2de1851f DM	125	# define __NR_memfd_create 0xffffffff
b244d9f3	126	# else
a6082d77 DM	127	# define __NR_memfd_create 356
a6082d77 DM	128	# endif
22be093f LP	129	#endif
22be093f LP	130
a6082d77	131	#ifndef HAVE_MEMFD_CREATE
06b7f7bd	132	static inline int memfd_create(const char *name, unsigned int flags) {
46327770	133	return syscall(__NR_memfd_create, name, flags);
a6082d77 DM	134	}
	135	#endif
	136
539618a0 LP	137	#ifndef __NR_getrandom
	138	# if defined __x86_64__
	139	# define __NR_getrandom 278
	140	# else
	141	# warning "__NR_getrandom unknown for your architecture"
	142	# define __NR_getrandom 0xffffffff
	143	# endif
	144	#endif
	145
	146	#if !HAVE_DECL_GETRANDOM
	147	static inline int getrandom(void *buffer, size_t count, unsigned flags) {
	148	return syscall(__NR_getrandom, buffer, count, flags);
	149	}
	150	#endif
	151
4b357e15 MM	152	#ifndef BTRFS_IOCTL_MAGIC
	153	#define BTRFS_IOCTL_MAGIC 0x94
	154	#endif
	155
	156	#ifndef BTRFS_PATH_NAME_MAX
	157	#define BTRFS_PATH_NAME_MAX 4087
	158	#endif
	159
	160	#ifndef BTRFS_DEVICE_PATH_NAME_MAX
	161	#define BTRFS_DEVICE_PATH_NAME_MAX 1024
	162	#endif
	163
	164	#ifndef BTRFS_FSID_SIZE
	165	#define BTRFS_FSID_SIZE 16
	166	#endif
	167
	168	#ifndef BTRFS_UUID_SIZE
	169	#define BTRFS_UUID_SIZE 16
	170	#endif
	171
	172	#ifndef HAVE_LINUX_BTRFS_H
	173	struct btrfs_ioctl_vol_args {
	174	int64_t fd;
	175	char name[BTRFS_PATH_NAME_MAX + 1];
	176	};
	177
	178	struct btrfs_ioctl_dev_info_args {
	179	uint64_t devid; /* in/out */
	180	uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */
	181	uint64_t bytes_used; /* out */
	182	uint64_t total_bytes; /* out */
	183	uint64_t unused[379]; /* pad to 4k */
	184	char path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
	185	};
	186
	187	struct btrfs_ioctl_fs_info_args {
	188	uint64_t max_id; /* out */
	189	uint64_t num_devices; /* out */
	190	uint8_t fsid[BTRFS_FSID_SIZE]; /* out */
	191	uint64_t reserved[124]; /* pad to 1k */
	192	};
	193	#endif
	194
	195	#ifndef BTRFS_IOC_DEFRAG
7bed7f0e ZJS	196	#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
7bed7f0e ZJS	197	struct btrfs_ioctl_vol_args)
4b357e15 MM	198	#endif
	199
	200	#ifndef BTRFS_IOC_DEV_INFO
	201	#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
	202	struct btrfs_ioctl_dev_info_args)
	203	#endif
	204
	205	#ifndef BTRFS_IOC_FS_INFO
	206	#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
7bed7f0e ZJS	207	struct btrfs_ioctl_fs_info_args)
	208	#endif
	209
	210	#ifndef BTRFS_IOC_DEVICES_READY
	211	#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
	212	struct btrfs_ioctl_vol_args)
4b357e15 MM	213	#endif
4b357e15 MM	214
746f8906 LP	215	#ifndef BTRFS_SUPER_MAGIC
	216	#define BTRFS_SUPER_MAGIC 0x9123683E
	217	#endif
	218
94d82985 LP	219	#ifndef MS_MOVE
	220	#define MS_MOVE 8192
	221	#endif
	222
7cb1094a HH	223	#ifndef MS_PRIVATE
	224	#define MS_PRIVATE (1 << 18)
	225	#endif
	226
a8348796	227	#if !HAVE_DECL_GETTID
4d14be09 LP	228	static inline pid_t gettid(void) {
	229	return (pid_t) syscall(SYS_gettid);
	230	}
a8348796	231	#endif
4d14be09	232
54ecda32 LP	233	#ifndef SCM_SECURITY
	234	#define SCM_SECURITY 0x03
	235	#endif
	236
48ac500b LP	237	#ifndef MS_STRICTATIME
	238	#define MS_STRICTATIME (1<<24)
	239	#endif
	240
a9621528 AM	241	#ifndef MS_REC
	242	#define MS_REC 16384
	243	#endif
	244
	245	#ifndef MS_SHARED
	246	#define MS_SHARED (1<<20)
	247	#endif
	248
8351ceae LP	249	#ifndef PR_SET_NO_NEW_PRIVS
	250	#define PR_SET_NO_NEW_PRIVS 38
	251	#endif
d4447f4d AK	252
	253	#ifndef PR_SET_CHILD_SUBREAPER
	254	#define PR_SET_CHILD_SUBREAPER 36
	255	#endif
a8348796 LP	256
	257	#ifndef MAX_HANDLE_SZ
	258	#define MAX_HANDLE_SZ 128
	259	#endif
	260
66330455 LP	261	#ifndef __NR_name_to_handle_at
66330455 LP	262	# if defined(__x86_64__)
848af055	263	# define __NR_name_to_handle_at 303
66330455	264	# elif defined(__i386__)
848af055	265	# define __NR_name_to_handle_at 341
66330455	266	# elif defined(__arm__)
f527b6b8	267	# define __NR_name_to_handle_at 370
66330455	268	# elif defined(__powerpc__)
f527b6b8	269	# define __NR_name_to_handle_at 345
66330455 LP	270	# else
66330455 LP	271	# error "__NR_name_to_handle_at is not defined"
f527b6b8	272	# endif
a8348796 LP	273	#endif
a8348796 LP	274
9388e99e	275	#if !HAVE_DECL_NAME_TO_HANDLE_AT
a8348796 LP	276	struct file_handle {
	277	unsigned int handle_bytes;
	278	int handle_type;
	279	unsigned char f_handle[0];
	280	};
	281
	282	static inline int name_to_handle_at(int fd, const char name, struct file_handle handle, int *mnt_id, int flags) {
	283	return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
	284	}
	285	#endif
4db17f29 ZJS	286
	287	#ifndef HAVE_SECURE_GETENV
	288	# ifdef HAVE___SECURE_GETENV
	289	# define secure_getenv __secure_getenv
	290	# else
66330455	291	# error "neither secure_getenv nor __secure_getenv are available"
4db17f29 ZJS	292	# endif
4db17f29 ZJS	293	#endif
85210bff LP	294
85210bff LP	295	#ifndef CIFS_MAGIC_NUMBER
65b3903f	296	# define CIFS_MAGIC_NUMBER 0xFF534D42
85210bff	297	#endif
8742514c LP	298
8742514c LP	299	#ifndef TFD_TIMER_CANCEL_ON_SET
65b3903f	300	# define TFD_TIMER_CANCEL_ON_SET (1 << 1)
8742514c	301	#endif
f7db7a69 SL	302
f7db7a69 SL	303	#ifndef SO_REUSEPORT
65b3903f	304	# define SO_REUSEPORT 15
f7db7a69	305	#endif
118ecf32 DH	306
118ecf32 DH	307	#ifndef EVIOCREVOKE
65b3903f	308	# define EVIOCREVOKE _IOW('E', 0x91, int)
118ecf32 DH	309	#endif
	310
	311	#ifndef DRM_IOCTL_SET_MASTER
65b3903f	312	# define DRM_IOCTL_SET_MASTER _IO('d', 0x1e)
118ecf32 DH	313	#endif
	314
	315	#ifndef DRM_IOCTL_DROP_MASTER
65b3903f ZJS	316	# define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
	317	#endif
	318
c09918f9 LP	319	#if defined(__i386__) \|\| defined(__x86_64__)
	320
	321	/* The precise definition of __O_TMPFILE is arch specific, so let's
	322	* just define this on x86 where we know the value. */
	323
	324	#ifndef __O_TMPFILE
	325	#define __O_TMPFILE 020000000
	326	#endif
	327
	328	/* a horrid kludge trying to make sure that this will fail on old kernels */
	329	#ifndef O_TMPFILE
	330	#define O_TMPFILE (__O_TMPFILE \| O_DIRECTORY)
	331	#endif
	332
	333	#endif
3b794314 HS	334
	335	#ifndef __NR_setns
	336	# if defined(__x86_64__)
	337	# define __NR_setns 308
	338	# elif defined(__i386__)
	339	# define __NR_setns 346
	340	# else
	341	# error "__NR_setns is not defined"
	342	# endif
	343	#endif
	344
	345	#if !HAVE_DECL_SETNS
	346	static inline int setns(int fd, int nstype) {
	347	return syscall(__NR_setns, fd, nstype);
	348	}
	349	#endif
5f381b35 LP	350
	351	#if !HAVE_DECL_LO_FLAGS_PARTSCAN
	352	#define LO_FLAGS_PARTSCAN 8
	353	#endif
a853c45d LP	354
	355	#ifndef LOOP_CTL_REMOVE
	356	#define LOOP_CTL_REMOVE 0x4C81
	357	#endif
	358
	359	#ifndef LOOP_CTL_GET_FREE
	360	#define LOOP_CTL_GET_FREE 0x4C82
	361	#endif
0830ba61	362
75616a13 ZJS	363	#if !HAVE_DECL_IFLA_MACVLAN_FLAGS
	364	#define IFLA_MACVLAN_UNSPEC 0
	365	#define IFLA_MACVLAN_MODE 1
	366	#define IFLA_MACVLAN_FLAGS 2
	367	#define __IFLA_MACVLAN_MAX 3
	368
	369	#define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
	370	#endif
	371
6589d0db JAS	372	#if !HAVE_DECL_IFLA_VTI_REMOTE
	373	#define IFLA_VTI_UNSPEC 0
	374	#define IFLA_VTI_LINK 1
	375	#define IFLA_VTI_IKEY 2
	376	#define IFLA_VTI_OKEY 3
	377	#define IFLA_VTI_LOCAL 4
	378	#define IFLA_VTI_REMOTE 5
	379	#define __IFLA_VTI_MAX 6
	380
	381	#define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
	382	#endif
	383
81577dc2 ZJS	384	#if !HAVE_DECL_IFLA_PHYS_PORT_ID
	385	#undef IFLA_PROMISCUITY
	386	#define IFLA_PROMISCUITY 30
	387	#define IFLA_NUM_TX_QUEUES 31
	388	#define IFLA_NUM_RX_QUEUES 32
	389	#define IFLA_CARRIER 33
	390	#define IFLA_PHYS_PORT_ID 34
	391	#define __IFLA_MAX 35
	392
	393	#define IFLA_MAX (__IFLA_MAX - 1)
	394	#endif
	395
	396	#if !HAVE_DECL_IFLA_BOND_AD_INFO
	397	#define IFLA_BOND_UNSPEC 0
	398	#define IFLA_BOND_MODE 1
	399	#define IFLA_BOND_ACTIVE_SLAVE 2
	400	#define IFLA_BOND_MIIMON 3
	401	#define IFLA_BOND_UPDELAY 4
	402	#define IFLA_BOND_DOWNDELAY 5
	403	#define IFLA_BOND_USE_CARRIER 6
	404	#define IFLA_BOND_ARP_INTERVAL 7
	405	#define IFLA_BOND_ARP_IP_TARGET 8
	406	#define IFLA_BOND_ARP_VALIDATE 9
	407	#define IFLA_BOND_ARP_ALL_TARGETS 10
	408	#define IFLA_BOND_PRIMARY 11
	409	#define IFLA_BOND_PRIMARY_RESELECT 12
	410	#define IFLA_BOND_FAIL_OVER_MAC 13
	411	#define IFLA_BOND_XMIT_HASH_POLICY 14
	412	#define IFLA_BOND_RESEND_IGMP 15
	413	#define IFLA_BOND_NUM_PEER_NOTIF 16
	414	#define IFLA_BOND_ALL_SLAVES_ACTIVE 17
	415	#define IFLA_BOND_MIN_LINKS 18
	416	#define IFLA_BOND_LP_INTERVAL 19
	417	#define IFLA_BOND_PACKETS_PER_SLAVE 20
	418	#define IFLA_BOND_AD_LACP_RATE 21
	419	#define IFLA_BOND_AD_SELECT 22
	420	#define IFLA_BOND_AD_INFO 23
	421	#define __IFLA_BOND_MAX 24
0830ba61 ZJS	422
	423	#define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
	424	#endif
81577dc2 ZJS	425
	426	#if !HAVE_DECL_IFLA_VLAN_PROTOCOL
	427	#define IFLA_VLAN_UNSPEC 0
	428	#define IFLA_VLAN_ID 1
	429	#define IFLA_VLAN_FLAGS 2
	430	#define IFLA_VLAN_EGRESS_QOS 3
	431	#define IFLA_VLAN_INGRESS_QOS 4
	432	#define IFLA_VLAN_PROTOCOL 5
	433	#define __IFLA_VLAN_MAX 6
	434
	435	#define IFLA_VLAN_MAX (__IFLA_VLAN_MAX - 1)
	436	#endif
	437
	438	#if !HAVE_DECL_IFLA_VXLAN_LOCAL6
	439	#define IFLA_VXLAN_UNSPEC 0
	440	#define IFLA_VXLAN_ID 1
	441	#define IFLA_VXLAN_GROUP 2
	442	#define IFLA_VXLAN_LINK 3
	443	#define IFLA_VXLAN_LOCAL 4
	444	#define IFLA_VXLAN_TTL 5
	445	#define IFLA_VXLAN_TOS 6
	446	#define IFLA_VXLAN_LEARNING 7
	447	#define IFLA_VXLAN_AGEING 8
	448	#define IFLA_VXLAN_LIMIT 9
	449	#define IFLA_VXLAN_PORT_RANGE 10
	450	#define IFLA_VXLAN_PROXY 11
	451	#define IFLA_VXLAN_RSC 12
	452	#define IFLA_VXLAN_L2MISS 13
	453	#define IFLA_VXLAN_L3MISS 14
	454	#define IFLA_VXLAN_PORT 15
	455	#define IFLA_VXLAN_GROUP6 16
	456	#define IFLA_VXLAN_LOCAL6 17
	457	#define __IFLA_VXLAN_MAX 18
	458
	459	#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
	460	#endif
	461
	462	#if !HAVE_DECL_IFLA_IPTUN_6RD_RELAY_PREFIXLEN
	463	#define IFLA_IPTUN_UNSPEC 0
	464	#define IFLA_IPTUN_LINK 1
	465	#define IFLA_IPTUN_LOCAL 2
	466	#define IFLA_IPTUN_REMOTE 3
	467	#define IFLA_IPTUN_TTL 4
	468	#define IFLA_IPTUN_TOS 5
	469	#define IFLA_IPTUN_ENCAP_LIMIT 6
	470	#define IFLA_IPTUN_FLOWINFO 7
	471	#define IFLA_IPTUN_FLAGS 8
	472	#define IFLA_IPTUN_PROTO 9
	473	#define IFLA_IPTUN_PMTUDISC 10
	474	#define IFLA_IPTUN_6RD_PREFIX 11
	475	#define IFLA_IPTUN_6RD_RELAY_PREFIX 12
	476	#define IFLA_IPTUN_6RD_PREFIXLEN 13
	477	#define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14
	478	#define __IFLA_IPTUN_MAX 15
	479
	480	#define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
	481	#endif
	482
	483	#if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO
	484	#define IFLA_BRIDGE_FLAGS 0
	485	#define IFLA_BRIDGE_MODE 1
	486	#define IFLA_BRIDGE_VLAN_INFO 2
	487	#define __IFLA_BRIDGE_MAX 3
	488
489	#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
490	#endif
623a4c97 LP	491
	492	#ifndef IPV6_UNICAST_IF
	493	#define IPV6_UNICAST_IF 76
	494	#endif
ec2c5e43	495
04d180c8 TG	496	#ifndef IFF_MULTI_QUEUE
	497	#define IFF_MULTI_QUEUE 0x100
	498	#endif
	499
ec2c5e43 LP	500	#ifndef IFF_LOWER_UP
	501	#define IFF_LOWER_UP 0x10000
	502	#endif
	503
	504	#ifndef IFF_DORMANT
	505	#define IFF_DORMANT 0x20000
	506	#endif
91988149 LP	507
	508	#ifndef BOND_XMIT_POLICY_ENCAP23
	509	#define BOND_XMIT_POLICY_ENCAP23 3
	510	#endif
	511
	512	#ifndef BOND_XMIT_POLICY_ENCAP34
	513	#define BOND_XMIT_POLICY_ENCAP34 4
	514	#endif
04b67d49 TG	515
	516	#ifndef NET_ADDR_RANDOM
	517	# define NET_ADDR_RANDOM 1
	518	#endif
	519
	520	#ifndef NET_NAME_ENUM
	521	# define NET_NAME_ENUM 1
	522	#endif
	523
	524	#ifndef NET_NAME_PREDICTABLE
	525	# define NET_NAME_PREDICTABLE 2
	526	#endif
	527
	528	#ifndef NET_NAME_USER
	529	# define NET_NAME_USER 3
	530	#endif
	531
	532	#ifndef NET_NAME_RENAMED
	533	# define NET_NAME_RENAMED 4
	534	#endif
7965435e MO	535
	536	#ifndef BPF_XOR
	537	# define BPF_XOR 0xa0
	538	#endif
a5f03596 LP	539
	540	/* Note that LOOPBACK_IFINDEX is currently not exported by the
	541	* kernel/glibc, but hardcoded internally by the kernel. However, as
	542	* it is exported to userspace indirectly via rtnetlink and the
	543	* ioctls, and made use of widely we define it here too, in a way that
	544	* is compatible with the kernel's internal definition. */
	545	#ifndef LOOPBACK_IFINDEX
	546	#define LOOPBACK_IFINDEX 1
	547	#endif