[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

#ifdef __x86_64__
#  ifndef __NR_memfd_create
#    define __NR_memfd_create 319
#  endif
#elif defined __arm__
#  ifndef __NR_memfd_create
#    define __NR_memfd_create 385
#  endif
#elif defined _MIPS_SIM
#  ifndef __NR_memfd_create
#    warning "__NR_memfd_create not yet defined for MIPS"
#    define __NR_memfd_create 0xffffffff
#  endif
#else
#  ifndef __NR_memfd_create
#    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 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
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
22be093f	118	#ifdef __x86_64__
a6082d77 DM	119	# ifndef __NR_memfd_create
	120	# define __NR_memfd_create 319
	121	# endif
	122	#elif defined __arm__
	123	# ifndef __NR_memfd_create
	124	# define __NR_memfd_create 385
	125	# endif
d59d0a2b	126	#elif defined _MIPS_SIM
a7d611f2	127	# ifndef __NR_memfd_create
2de1851f DM	128	# warning "__NR_memfd_create not yet defined for MIPS"
2de1851f DM	129	# define __NR_memfd_create 0xffffffff
a7d611f2	130	# endif
22be093f	131	#else
a6082d77 DM	132	# ifndef __NR_memfd_create
	133	# define __NR_memfd_create 356
	134	# endif
22be093f LP	135	#endif
22be093f LP	136
a6082d77	137	#ifndef HAVE_MEMFD_CREATE
06b7f7bd	138	static inline int memfd_create(const char *name, unsigned int flags) {
46327770	139	return syscall(__NR_memfd_create, name, flags);
a6082d77 DM	140	}
	141	#endif
	142
4b357e15 MM	143	#ifndef BTRFS_IOCTL_MAGIC
	144	#define BTRFS_IOCTL_MAGIC 0x94
	145	#endif
	146
	147	#ifndef BTRFS_PATH_NAME_MAX
	148	#define BTRFS_PATH_NAME_MAX 4087
	149	#endif
	150
	151	#ifndef BTRFS_DEVICE_PATH_NAME_MAX
	152	#define BTRFS_DEVICE_PATH_NAME_MAX 1024
	153	#endif
	154
	155	#ifndef BTRFS_FSID_SIZE
	156	#define BTRFS_FSID_SIZE 16
	157	#endif
	158
	159	#ifndef BTRFS_UUID_SIZE
	160	#define BTRFS_UUID_SIZE 16
	161	#endif
	162
	163	#ifndef HAVE_LINUX_BTRFS_H
	164	struct btrfs_ioctl_vol_args {
	165	int64_t fd;
	166	char name[BTRFS_PATH_NAME_MAX + 1];
	167	};
	168
	169	struct btrfs_ioctl_dev_info_args {
	170	uint64_t devid; /* in/out */
	171	uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */
	172	uint64_t bytes_used; /* out */
	173	uint64_t total_bytes; /* out */
	174	uint64_t unused[379]; /* pad to 4k */
	175	char path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
	176	};
	177
	178	struct btrfs_ioctl_fs_info_args {
	179	uint64_t max_id; /* out */
	180	uint64_t num_devices; /* out */
	181	uint8_t fsid[BTRFS_FSID_SIZE]; /* out */
	182	uint64_t reserved[124]; /* pad to 1k */
	183	};
	184	#endif
	185
	186	#ifndef BTRFS_IOC_DEFRAG
7bed7f0e ZJS	187	#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
7bed7f0e ZJS	188	struct btrfs_ioctl_vol_args)
4b357e15 MM	189	#endif
	190
	191	#ifndef BTRFS_IOC_DEV_INFO
	192	#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
	193	struct btrfs_ioctl_dev_info_args)
	194	#endif
	195
	196	#ifndef BTRFS_IOC_FS_INFO
	197	#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
7bed7f0e ZJS	198	struct btrfs_ioctl_fs_info_args)
	199	#endif
	200
	201	#ifndef BTRFS_IOC_DEVICES_READY
	202	#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
	203	struct btrfs_ioctl_vol_args)
4b357e15 MM	204	#endif
4b357e15 MM	205
746f8906 LP	206	#ifndef BTRFS_SUPER_MAGIC
	207	#define BTRFS_SUPER_MAGIC 0x9123683E
	208	#endif
	209
94d82985 LP	210	#ifndef MS_MOVE
	211	#define MS_MOVE 8192
	212	#endif
	213
7cb1094a HH	214	#ifndef MS_PRIVATE
	215	#define MS_PRIVATE (1 << 18)
	216	#endif
	217
a8348796	218	#if !HAVE_DECL_GETTID
4d14be09 LP	219	static inline pid_t gettid(void) {
	220	return (pid_t) syscall(SYS_gettid);
	221	}
a8348796	222	#endif
4d14be09	223
54ecda32 LP	224	#ifndef SCM_SECURITY
	225	#define SCM_SECURITY 0x03
	226	#endif
	227
48ac500b LP	228	#ifndef MS_STRICTATIME
	229	#define MS_STRICTATIME (1<<24)
	230	#endif
	231
a9621528 AM	232	#ifndef MS_REC
	233	#define MS_REC 16384
	234	#endif
	235
	236	#ifndef MS_SHARED
	237	#define MS_SHARED (1<<20)
	238	#endif
	239
8351ceae LP	240	#ifndef PR_SET_NO_NEW_PRIVS
	241	#define PR_SET_NO_NEW_PRIVS 38
	242	#endif
d4447f4d AK	243
	244	#ifndef PR_SET_CHILD_SUBREAPER
	245	#define PR_SET_CHILD_SUBREAPER 36
	246	#endif
a8348796 LP	247
	248	#ifndef MAX_HANDLE_SZ
	249	#define MAX_HANDLE_SZ 128
	250	#endif
	251
66330455 LP	252	#ifndef __NR_name_to_handle_at
66330455 LP	253	# if defined(__x86_64__)
848af055	254	# define __NR_name_to_handle_at 303
66330455	255	# elif defined(__i386__)
848af055	256	# define __NR_name_to_handle_at 341
66330455	257	# elif defined(__arm__)
f527b6b8	258	# define __NR_name_to_handle_at 370
66330455	259	# elif defined(__powerpc__)
f527b6b8	260	# define __NR_name_to_handle_at 345
66330455 LP	261	# else
66330455 LP	262	# error "__NR_name_to_handle_at is not defined"
f527b6b8	263	# endif
a8348796 LP	264	#endif
a8348796 LP	265
9388e99e	266	#if !HAVE_DECL_NAME_TO_HANDLE_AT
a8348796 LP	267	struct file_handle {
	268	unsigned int handle_bytes;
	269	int handle_type;
	270	unsigned char f_handle[0];
	271	};
	272
	273	static inline int name_to_handle_at(int fd, const char name, struct file_handle handle, int *mnt_id, int flags) {
	274	return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
	275	}
	276	#endif
4db17f29 ZJS	277
	278	#ifndef HAVE_SECURE_GETENV
	279	# ifdef HAVE___SECURE_GETENV
	280	# define secure_getenv __secure_getenv
	281	# else
66330455	282	# error "neither secure_getenv nor __secure_getenv are available"
4db17f29 ZJS	283	# endif
4db17f29 ZJS	284	#endif
85210bff LP	285
85210bff LP	286	#ifndef CIFS_MAGIC_NUMBER
65b3903f	287	# define CIFS_MAGIC_NUMBER 0xFF534D42
85210bff	288	#endif
8742514c LP	289
8742514c LP	290	#ifndef TFD_TIMER_CANCEL_ON_SET
65b3903f	291	# define TFD_TIMER_CANCEL_ON_SET (1 << 1)
8742514c	292	#endif
f7db7a69 SL	293
f7db7a69 SL	294	#ifndef SO_REUSEPORT
65b3903f	295	# define SO_REUSEPORT 15
f7db7a69	296	#endif
118ecf32 DH	297
118ecf32 DH	298	#ifndef EVIOCREVOKE
65b3903f	299	# define EVIOCREVOKE _IOW('E', 0x91, int)
118ecf32 DH	300	#endif
	301
	302	#ifndef DRM_IOCTL_SET_MASTER
65b3903f	303	# define DRM_IOCTL_SET_MASTER _IO('d', 0x1e)
118ecf32 DH	304	#endif
	305
	306	#ifndef DRM_IOCTL_DROP_MASTER
65b3903f ZJS	307	# define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
	308	#endif
	309
c09918f9 LP	310	#if defined(__i386__) \|\| defined(__x86_64__)
	311
	312	/* The precise definition of __O_TMPFILE is arch specific, so let's
	313	* just define this on x86 where we know the value. */
	314
	315	#ifndef __O_TMPFILE
	316	#define __O_TMPFILE 020000000
	317	#endif
	318
	319	/* a horrid kludge trying to make sure that this will fail on old kernels */
	320	#ifndef O_TMPFILE
	321	#define O_TMPFILE (__O_TMPFILE \| O_DIRECTORY)
	322	#endif
	323
	324	#endif
3b794314 HS	325
	326	#ifndef __NR_setns
	327	# if defined(__x86_64__)
	328	# define __NR_setns 308
	329	# elif defined(__i386__)
	330	# define __NR_setns 346
	331	# else
	332	# error "__NR_setns is not defined"
	333	# endif
	334	#endif
	335
	336	#if !HAVE_DECL_SETNS
	337	static inline int setns(int fd, int nstype) {
	338	return syscall(__NR_setns, fd, nstype);
	339	}
	340	#endif
5f381b35 LP	341
	342	#if !HAVE_DECL_LO_FLAGS_PARTSCAN
	343	#define LO_FLAGS_PARTSCAN 8
	344	#endif
a853c45d LP	345
	346	#ifndef LOOP_CTL_REMOVE
	347	#define LOOP_CTL_REMOVE 0x4C81
	348	#endif
	349
	350	#ifndef LOOP_CTL_GET_FREE
	351	#define LOOP_CTL_GET_FREE 0x4C82
	352	#endif
0830ba61	353
75616a13 ZJS	354	#if !HAVE_DECL_IFLA_MACVLAN_FLAGS
	355	#define IFLA_MACVLAN_UNSPEC 0
	356	#define IFLA_MACVLAN_MODE 1
	357	#define IFLA_MACVLAN_FLAGS 2
	358	#define __IFLA_MACVLAN_MAX 3
	359
	360	#define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
	361	#endif
	362
6589d0db JAS	363	#if !HAVE_DECL_IFLA_VTI_REMOTE
	364	#define IFLA_VTI_UNSPEC 0
	365	#define IFLA_VTI_LINK 1
	366	#define IFLA_VTI_IKEY 2
	367	#define IFLA_VTI_OKEY 3
	368	#define IFLA_VTI_LOCAL 4
	369	#define IFLA_VTI_REMOTE 5
	370	#define __IFLA_VTI_MAX 6
	371
	372	#define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
	373	#endif
	374
81577dc2 ZJS	375	#if !HAVE_DECL_IFLA_PHYS_PORT_ID
	376	#undef IFLA_PROMISCUITY
	377	#define IFLA_PROMISCUITY 30
	378	#define IFLA_NUM_TX_QUEUES 31
	379	#define IFLA_NUM_RX_QUEUES 32
	380	#define IFLA_CARRIER 33
	381	#define IFLA_PHYS_PORT_ID 34
	382	#define __IFLA_MAX 35
	383
	384	#define IFLA_MAX (__IFLA_MAX - 1)
	385	#endif
	386
	387	#if !HAVE_DECL_IFLA_BOND_AD_INFO
	388	#define IFLA_BOND_UNSPEC 0
	389	#define IFLA_BOND_MODE 1
	390	#define IFLA_BOND_ACTIVE_SLAVE 2
	391	#define IFLA_BOND_MIIMON 3
	392	#define IFLA_BOND_UPDELAY 4
	393	#define IFLA_BOND_DOWNDELAY 5
	394	#define IFLA_BOND_USE_CARRIER 6
	395	#define IFLA_BOND_ARP_INTERVAL 7
	396	#define IFLA_BOND_ARP_IP_TARGET 8
	397	#define IFLA_BOND_ARP_VALIDATE 9
	398	#define IFLA_BOND_ARP_ALL_TARGETS 10
	399	#define IFLA_BOND_PRIMARY 11
	400	#define IFLA_BOND_PRIMARY_RESELECT 12
	401	#define IFLA_BOND_FAIL_OVER_MAC 13
	402	#define IFLA_BOND_XMIT_HASH_POLICY 14
	403	#define IFLA_BOND_RESEND_IGMP 15
	404	#define IFLA_BOND_NUM_PEER_NOTIF 16
	405	#define IFLA_BOND_ALL_SLAVES_ACTIVE 17
	406	#define IFLA_BOND_MIN_LINKS 18
	407	#define IFLA_BOND_LP_INTERVAL 19
	408	#define IFLA_BOND_PACKETS_PER_SLAVE 20
	409	#define IFLA_BOND_AD_LACP_RATE 21
	410	#define IFLA_BOND_AD_SELECT 22
	411	#define IFLA_BOND_AD_INFO 23
	412	#define __IFLA_BOND_MAX 24
0830ba61 ZJS	413
	414	#define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
	415	#endif
81577dc2 ZJS	416
	417	#if !HAVE_DECL_IFLA_VLAN_PROTOCOL
	418	#define IFLA_VLAN_UNSPEC 0
	419	#define IFLA_VLAN_ID 1
	420	#define IFLA_VLAN_FLAGS 2
	421	#define IFLA_VLAN_EGRESS_QOS 3
	422	#define IFLA_VLAN_INGRESS_QOS 4
	423	#define IFLA_VLAN_PROTOCOL 5
	424	#define __IFLA_VLAN_MAX 6
	425
	426	#define IFLA_VLAN_MAX (__IFLA_VLAN_MAX - 1)
	427	#endif
	428
	429	#if !HAVE_DECL_IFLA_VXLAN_LOCAL6
	430	#define IFLA_VXLAN_UNSPEC 0
	431	#define IFLA_VXLAN_ID 1
	432	#define IFLA_VXLAN_GROUP 2
	433	#define IFLA_VXLAN_LINK 3
	434	#define IFLA_VXLAN_LOCAL 4
	435	#define IFLA_VXLAN_TTL 5
	436	#define IFLA_VXLAN_TOS 6
	437	#define IFLA_VXLAN_LEARNING 7
	438	#define IFLA_VXLAN_AGEING 8
	439	#define IFLA_VXLAN_LIMIT 9
	440	#define IFLA_VXLAN_PORT_RANGE 10
	441	#define IFLA_VXLAN_PROXY 11
	442	#define IFLA_VXLAN_RSC 12
	443	#define IFLA_VXLAN_L2MISS 13
	444	#define IFLA_VXLAN_L3MISS 14
	445	#define IFLA_VXLAN_PORT 15
	446	#define IFLA_VXLAN_GROUP6 16
	447	#define IFLA_VXLAN_LOCAL6 17
	448	#define __IFLA_VXLAN_MAX 18
	449
	450	#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
	451	#endif
	452
	453	#if !HAVE_DECL_IFLA_IPTUN_6RD_RELAY_PREFIXLEN
	454	#define IFLA_IPTUN_UNSPEC 0
	455	#define IFLA_IPTUN_LINK 1
	456	#define IFLA_IPTUN_LOCAL 2
	457	#define IFLA_IPTUN_REMOTE 3
	458	#define IFLA_IPTUN_TTL 4
	459	#define IFLA_IPTUN_TOS 5
	460	#define IFLA_IPTUN_ENCAP_LIMIT 6
	461	#define IFLA_IPTUN_FLOWINFO 7
	462	#define IFLA_IPTUN_FLAGS 8
	463	#define IFLA_IPTUN_PROTO 9
	464	#define IFLA_IPTUN_PMTUDISC 10
	465	#define IFLA_IPTUN_6RD_PREFIX 11
	466	#define IFLA_IPTUN_6RD_RELAY_PREFIX 12
	467	#define IFLA_IPTUN_6RD_PREFIXLEN 13
	468	#define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14
	469	#define __IFLA_IPTUN_MAX 15
	470
	471	#define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
	472	#endif
	473
	474	#if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO
	475	#define IFLA_BRIDGE_FLAGS 0
	476	#define IFLA_BRIDGE_MODE 1
	477	#define IFLA_BRIDGE_VLAN_INFO 2
	478	#define __IFLA_BRIDGE_MAX 3
	479
480	#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
481	#endif
623a4c97 LP	482
	483	#ifndef IPV6_UNICAST_IF
	484	#define IPV6_UNICAST_IF 76
	485	#endif
ec2c5e43	486
04d180c8 TG	487	#ifndef IFF_MULTI_QUEUE
	488	#define IFF_MULTI_QUEUE 0x100
	489	#endif
	490
ec2c5e43 LP	491	#ifndef IFF_LOWER_UP
	492	#define IFF_LOWER_UP 0x10000
	493	#endif
	494
	495	#ifndef IFF_DORMANT
	496	#define IFF_DORMANT 0x20000
	497	#endif
91988149 LP	498
	499	#ifndef BOND_XMIT_POLICY_ENCAP23
	500	#define BOND_XMIT_POLICY_ENCAP23 3
	501	#endif
	502
	503	#ifndef BOND_XMIT_POLICY_ENCAP34
	504	#define BOND_XMIT_POLICY_ENCAP34 4
	505	#endif
04b67d49 TG	506
	507	#ifndef NET_ADDR_RANDOM
	508	# define NET_ADDR_RANDOM 1
	509	#endif
	510
	511	#ifndef NET_NAME_ENUM
	512	# define NET_NAME_ENUM 1
	513	#endif
	514
	515	#ifndef NET_NAME_PREDICTABLE
	516	# define NET_NAME_PREDICTABLE 2
	517	#endif
	518
	519	#ifndef NET_NAME_USER
	520	# define NET_NAME_USER 3
	521	#endif
	522
	523	#ifndef NET_NAME_RENAMED
	524	# define NET_NAME_RENAMED 4
	525	#endif
7965435e MO	526
	527	#ifndef BPF_XOR
	528	# define BPF_XOR 0xa0
	529	#endif