cf8d74e3fe
Initial patch from submitter was adapted by me to prevent unconditional FUTEX_REQUEUE use. PR: 255947 Submitted by: Philippe Michaud-Boudreault Differential Revision: https://reviews.freebsd.org/D30332
272 lines
7.8 KiB
C
272 lines
7.8 KiB
C
/*-
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* Copyright (c) 2015 Dmitry Chagin <dchagin@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUX_MI_H_
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#define _LINUX_MI_H_
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#include <sys/queue.h>
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/*
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* Private Brandinfo flags
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*/
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#define LINUX_BI_FUTEX_REQUEUE 0x01000000
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/*
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* poll()
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*/
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#define LINUX_POLLIN 0x0001
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#define LINUX_POLLPRI 0x0002
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#define LINUX_POLLOUT 0x0004
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#define LINUX_POLLERR 0x0008
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#define LINUX_POLLHUP 0x0010
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#define LINUX_POLLNVAL 0x0020
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#define LINUX_POLLRDNORM 0x0040
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#define LINUX_POLLRDBAND 0x0080
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#define LINUX_POLLWRNORM 0x0100
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#define LINUX_POLLWRBAND 0x0200
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#define LINUX_POLLMSG 0x0400
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#define LINUX_POLLREMOVE 0x1000
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#define LINUX_POLLRDHUP 0x2000
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#define LINUX_IFHWADDRLEN 6
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#define LINUX_IFNAMSIZ 16
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/*
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* Criteria for interface name translation
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*/
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#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
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#define IFP_IS_LOOP(ifp) (ifp->if_type == IFT_LOOP)
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struct l_sockaddr {
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unsigned short sa_family;
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char sa_data[14];
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};
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#define LINUX_ARPHRD_ETHER 1
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#define LINUX_ARPHRD_LOOPBACK 772
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/*
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* Supported address families
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*/
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#define LINUX_AF_UNSPEC 0
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#define LINUX_AF_UNIX 1
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#define LINUX_AF_INET 2
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#define LINUX_AF_AX25 3
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#define LINUX_AF_IPX 4
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#define LINUX_AF_APPLETALK 5
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#define LINUX_AF_INET6 10
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#define LINUX_AF_NETLINK 16
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#define LINUX_NETLINK_ROUTE 0
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#define LINUX_NETLINK_SOCK_DIAG 4
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#define LINUX_NETLINK_NFLOG 5
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#define LINUX_NETLINK_SELINUX 7
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#define LINUX_NETLINK_AUDIT 9
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#define LINUX_NETLINK_FIB_LOOKUP 10
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#define LINUX_NETLINK_NETFILTER 12
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#define LINUX_NETLINK_KOBJECT_UEVENT 15
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/*
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* net device flags
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*/
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#define LINUX_IFF_UP 0x0001
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#define LINUX_IFF_BROADCAST 0x0002
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#define LINUX_IFF_DEBUG 0x0004
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#define LINUX_IFF_LOOPBACK 0x0008
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#define LINUX_IFF_POINTOPOINT 0x0010
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#define LINUX_IFF_NOTRAILERS 0x0020
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#define LINUX_IFF_RUNNING 0x0040
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#define LINUX_IFF_NOARP 0x0080
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#define LINUX_IFF_PROMISC 0x0100
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#define LINUX_IFF_ALLMULTI 0x0200
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#define LINUX_IFF_MASTER 0x0400
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#define LINUX_IFF_SLAVE 0x0800
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#define LINUX_IFF_MULTICAST 0x1000
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#define LINUX_IFF_PORTSEL 0x2000
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#define LINUX_IFF_AUTOMEDIA 0x4000
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#define LINUX_IFF_DYNAMIC 0x8000
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/* sigaltstack */
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#define LINUX_SS_ONSTACK 1
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#define LINUX_SS_DISABLE 2
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int linux_to_bsd_sigaltstack(int lsa);
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int bsd_to_linux_sigaltstack(int bsa);
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/* sigset */
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typedef struct {
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uint64_t __mask;
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} l_sigset_t;
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/* primitives to manipulate sigset_t */
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#define LINUX_SIGEMPTYSET(set) (set).__mask = 0
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#define LINUX_SIGISMEMBER(set, sig) (1UL & ((set).__mask >> _SIG_IDX(sig)))
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#define LINUX_SIGADDSET(set, sig) (set).__mask |= 1UL << _SIG_IDX(sig)
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void linux_to_bsd_sigset(l_sigset_t *, sigset_t *);
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void bsd_to_linux_sigset(sigset_t *, l_sigset_t *);
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/* signaling */
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#define LINUX_SIGHUP 1
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#define LINUX_SIGINT 2
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#define LINUX_SIGQUIT 3
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#define LINUX_SIGILL 4
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#define LINUX_SIGTRAP 5
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#define LINUX_SIGABRT 6
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#define LINUX_SIGIOT LINUX_SIGABRT
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#define LINUX_SIGBUS 7
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#define LINUX_SIGFPE 8
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#define LINUX_SIGKILL 9
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#define LINUX_SIGUSR1 10
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#define LINUX_SIGSEGV 11
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#define LINUX_SIGUSR2 12
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#define LINUX_SIGPIPE 13
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#define LINUX_SIGALRM 14
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#define LINUX_SIGTERM 15
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#define LINUX_SIGSTKFLT 16
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#define LINUX_SIGCHLD 17
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#define LINUX_SIGCONT 18
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#define LINUX_SIGSTOP 19
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#define LINUX_SIGTSTP 20
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#define LINUX_SIGTTIN 21
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#define LINUX_SIGTTOU 22
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#define LINUX_SIGURG 23
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#define LINUX_SIGXCPU 24
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#define LINUX_SIGXFSZ 25
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#define LINUX_SIGVTALRM 26
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#define LINUX_SIGPROF 27
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#define LINUX_SIGWINCH 28
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#define LINUX_SIGIO 29
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#define LINUX_SIGPOLL LINUX_SIGIO
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#define LINUX_SIGPWR 30
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#define LINUX_SIGSYS 31
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#define LINUX_SIGTBLSZ 31
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#define LINUX_SIGRTMIN 32
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#define LINUX_SIGRTMAX 64
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#define LINUX_SIG_VALID(sig) ((sig) <= LINUX_SIGRTMAX && (sig) > 0)
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int linux_to_bsd_signal(int sig);
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int bsd_to_linux_signal(int sig);
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extern LIST_HEAD(futex_list, futex) futex_list;
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extern struct mtx futex_mtx;
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void linux_dev_shm_create(void);
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void linux_dev_shm_destroy(void);
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/*
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* mask=0 is not sensible for this application, so it will be taken to mean
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* a mask equivalent to the value. Otherwise, (word & mask) == value maps to
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* (word & ~mask) | value in a bitfield for the platform we're converting to.
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*/
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struct bsd_to_linux_bitmap {
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int bsd_mask;
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int bsd_value;
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int linux_mask;
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int linux_value;
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};
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int bsd_to_linux_bits_(int value, struct bsd_to_linux_bitmap *bitmap,
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size_t mapcnt, int no_value);
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int linux_to_bsd_bits_(int value, struct bsd_to_linux_bitmap *bitmap,
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size_t mapcnt, int no_value);
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/*
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* These functions are used for simplification of BSD <-> Linux bit conversions.
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* Given `value`, a bit field, these functions will walk the given bitmap table
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* and set the appropriate bits for the target platform. If any bits were
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* successfully converted, then the return value is the equivalent of value
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* represented with the bit values appropriate for the target platform.
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* Otherwise, the value supplied as `no_value` is returned.
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*/
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#define bsd_to_linux_bits(_val, _bmap, _noval) \
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bsd_to_linux_bits_((_val), (_bmap), nitems((_bmap)), (_noval))
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#define linux_to_bsd_bits(_val, _bmap, _noval) \
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linux_to_bsd_bits_((_val), (_bmap), nitems((_bmap)), (_noval))
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/*
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* Easy mapping helpers. BITMAP_EASY_LINUX represents a single bit to be
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* translated, and the FreeBSD and Linux values are supplied. BITMAP_1t1_LINUX
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* is the extreme version of this, where not only is it a single bit, but the
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* name of the macro used to represent the Linux version of a bit literally has
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* LINUX_ prepended to the normal name.
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*/
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#define BITMAP_EASY_LINUX(_name, _linux_name) \
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{ \
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.bsd_value = (_name), \
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.linux_value = (_linux_name), \
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}
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#define BITMAP_1t1_LINUX(_name) BITMAP_EASY_LINUX(_name, LINUX_##_name)
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int bsd_to_linux_errno(int error);
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void linux_check_errtbl(void);
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#define STATX_BASIC_STATS 0x07ff
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#define STATX_BTIME 0x0800
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#define STATX_ALL 0x0fff
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#define STATX_ATTR_COMPRESSED 0x0004
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#define STATX_ATTR_IMMUTABLE 0x0010
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#define STATX_ATTR_APPEND 0x0020
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#define STATX_ATTR_NODUMP 0x0040
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#define STATX_ATTR_ENCRYPTED 0x0800
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#define STATX_ATTR_AUTOMOUNT 0x1000
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struct l_statx_timestamp {
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int64_t tv_sec;
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int32_t tv_nsec;
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int32_t __spare0;
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};
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struct l_statx {
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uint32_t stx_mask;
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uint32_t stx_blksize;
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uint64_t stx_attributes;
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uint32_t stx_nlink;
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uint32_t stx_uid;
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uint32_t stx_gid;
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uint16_t stx_mode;
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uint16_t __spare0[1];
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uint64_t stx_ino;
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uint64_t stx_size;
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uint64_t stx_blocks;
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uint64_t stx_attributes_mask;
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struct l_statx_timestamp stx_atime;
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struct l_statx_timestamp stx_btime;
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struct l_statx_timestamp stx_ctime;
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struct l_statx_timestamp stx_mtime;
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uint32_t stx_rdev_major;
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uint32_t stx_rdev_minor;
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uint32_t stx_dev_major;
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uint32_t stx_dev_minor;
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uint64_t stx_mnt_id;
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uint64_t __spare2[13];
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};
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#endif /* _LINUX_MI_H_ */
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