1 /*- 2 * Copyright (c) 1994 Christos Zoulas 3 * Copyright (c) 1995 Frank van der Linden 4 * Copyright (c) 1995 Scott Bartram 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * from: svr4_util.h,v 1.5 1994/11/18 02:54:31 christos Exp 30 * from: linux_util.h,v 1.2 1995/03/05 23:23:50 fvdl Exp 31 * $FreeBSD$ 32 */ 33 34 /* 35 * This file is pretty much the same as Christos' svr4_util.h 36 * (for now). 37 */ 38 39 #ifndef _LINUX_UTIL_H_ 40 #define _LINUX_UTIL_H_ 41 42 #include <vm/vm.h> 43 #include <vm/vm_param.h> 44 #include <vm/pmap.h> 45 #include <machine/vmparam.h> 46 #include <sys/exec.h> 47 #include <sys/sysent.h> 48 #include <sys/syslog.h> 49 #include <sys/cdefs.h> 50 #include <sys/uio.h> 51 52 extern const char linux_emul_path[]; 53 54 int linux_emul_convpath(struct thread *, char *, enum uio_seg, char **, int); 55 56 #define LCONVPATH(td, upath, pathp, i) \ 57 do { \ 58 int _error; \ 59 \ 60 _error = linux_emul_convpath(td, upath, UIO_USERSPACE, \ 61 pathp, i); \ 62 if (*(pathp) == NULL) \ 63 return (_error); \ 64 } while (0) 65 66 #define LCONVPATHEXIST(td, upath, pathp) LCONVPATH(td, upath, pathp, 0) 67 #define LCONVPATHCREAT(td, upath, pathp) LCONVPATH(td, upath, pathp, 1) 68 #define LFREEPATH(path) free(path, M_TEMP) 69 70 #define DUMMY(s) \ 71 int \ 72 linux_ ## s(struct thread *td, struct linux_ ## s ## _args *args) \ 73 { \ 74 static pid_t pid; \ 75 \ 76 if (pid != td->td_proc->p_pid) { \ 77 linux_msg(td, "syscall %s not implemented", #s); \ 78 pid = td->td_proc->p_pid; \ 79 }; \ 80 return (ENOSYS); \ 81 } \ 82 struct __hack 83 84 void linux_msg(const struct thread *td, const char *fmt, ...) 85 __printflike(2, 3); 86 87 struct linux_device_handler { 88 char *bsd_driver_name; 89 char *linux_driver_name; 90 char *bsd_device_name; 91 char *linux_device_name; 92 int linux_major; 93 int linux_minor; 94 int linux_char_device; 95 }; 96 97 int linux_device_register_handler(struct linux_device_handler *h); 98 int linux_device_unregister_handler(struct linux_device_handler *h); 99 char *linux_driver_get_name_dev(device_t dev); 100 int linux_driver_get_major_minor(char *node, int *major, int *minor); 101 char *linux_get_char_devices(void); 102 void linux_free_get_char_devices(char *string); 103 104 #endif /* !_LINUX_UTIL_H_ */ 105