freebsd-dev/sys/compat/linux/linux_util.h

105 lines
3.5 KiB
C

/*-
* Copyright (c) 1994 Christos Zoulas
* Copyright (c) 1995 Frank van der Linden
* Copyright (c) 1995 Scott Bartram
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* from: svr4_util.h,v 1.5 1994/11/18 02:54:31 christos Exp
* from: linux_util.h,v 1.2 1995/03/05 23:23:50 fvdl Exp
* $FreeBSD$
*/
/*
* This file is pretty much the same as Christos' svr4_util.h
* (for now).
*/
#ifndef _LINUX_UTIL_H_
#define _LINUX_UTIL_H_
#include <vm/vm.h>
#include <vm/vm_param.h>
#include <vm/pmap.h>
#include <machine/vmparam.h>
#include <sys/exec.h>
#include <sys/sysent.h>
#include <sys/syslog.h>
#include <sys/cdefs.h>
#include <sys/uio.h>
extern const char linux_emul_path[];
int linux_emul_convpath(struct thread *, char *, enum uio_seg, char **, int);
#define LCONVPATH(td, upath, pathp, i) \
do { \
int _error; \
\
_error = linux_emul_convpath(td, upath, UIO_USERSPACE, \
pathp, i); \
if (*(pathp) == NULL) \
return (_error); \
} while (0)
#define LCONVPATHEXIST(td, upath, pathp) LCONVPATH(td, upath, pathp, 0)
#define LCONVPATHCREAT(td, upath, pathp) LCONVPATH(td, upath, pathp, 1)
#define LFREEPATH(path) free(path, M_TEMP)
#define DUMMY(s) \
int \
linux_ ## s(struct thread *td, struct linux_ ## s ## _args *args) \
{ \
static pid_t pid; \
\
if (pid != td->td_proc->p_pid) { \
linux_msg(td, "syscall %s not implemented", #s); \
pid = td->td_proc->p_pid; \
}; \
return (ENOSYS); \
} \
struct __hack
void linux_msg(const struct thread *td, const char *fmt, ...)
__printflike(2, 3);
struct linux_device_handler {
char *bsd_driver_name;
char *linux_driver_name;
char *bsd_device_name;
char *linux_device_name;
int linux_major;
int linux_minor;
int linux_char_device;
};
int linux_device_register_handler(struct linux_device_handler *h);
int linux_device_unregister_handler(struct linux_device_handler *h);
char *linux_driver_get_name_dev(device_t dev);
int linux_driver_get_major_minor(char *node, int *major, int *minor);
char *linux_get_char_devices(void);
void linux_free_get_char_devices(char *string);
#endif /* !_LINUX_UTIL_H_ */