1*5c2921b0SApple OSS Distributions /* 2*5c2921b0SApple OSS Distributions * Copyright (c) 2013 Apple Inc. All rights reserved. 3*5c2921b0SApple OSS Distributions * 4*5c2921b0SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*5c2921b0SApple OSS Distributions * 6*5c2921b0SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*5c2921b0SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*5c2921b0SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*5c2921b0SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*5c2921b0SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*5c2921b0SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*5c2921b0SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*5c2921b0SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*5c2921b0SApple OSS Distributions * 15*5c2921b0SApple OSS Distributions * Please obtain a copy of the License at 16*5c2921b0SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*5c2921b0SApple OSS Distributions * 18*5c2921b0SApple OSS Distributions * The Original Code and all software distributed under the License are 19*5c2921b0SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*5c2921b0SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*5c2921b0SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*5c2921b0SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*5c2921b0SApple OSS Distributions * Please see the License for the specific language governing rights and 24*5c2921b0SApple OSS Distributions * limitations under the License. 25*5c2921b0SApple OSS Distributions * 26*5c2921b0SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*5c2921b0SApple OSS Distributions */ 28*5c2921b0SApple OSS Distributions 29*5c2921b0SApple OSS Distributions #ifndef __TTY_DEV_H__ 30*5c2921b0SApple OSS Distributions #define __TTY_DEV_H__ 31*5c2921b0SApple OSS Distributions 32*5c2921b0SApple OSS Distributions /* 33*5c2921b0SApple OSS Distributions * ptmx_ioctl is a pointer to a list of pointers to tty structures which is 34*5c2921b0SApple OSS Distributions * grown, as necessary, copied, and replaced, but never shrunk. The ioctl 35*5c2921b0SApple OSS Distributions * structures themselves pointed to from this list come and go as needed. 36*5c2921b0SApple OSS Distributions */ 37*5c2921b0SApple OSS Distributions struct ptmx_ioctl { 38*5c2921b0SApple OSS Distributions struct tty *pt_tty; /* pointer to ttymalloc()'ed data */ 39*5c2921b0SApple OSS Distributions int pt_flags; 40*5c2921b0SApple OSS Distributions struct selinfo pt_selr; 41*5c2921b0SApple OSS Distributions struct selinfo pt_selw; 42*5c2921b0SApple OSS Distributions u_char pt_send; 43*5c2921b0SApple OSS Distributions u_char pt_ucntl; 44*5c2921b0SApple OSS Distributions void *pt_devhandle; /* cloned replica device handle */ 45*5c2921b0SApple OSS Distributions }; 46*5c2921b0SApple OSS Distributions 47*5c2921b0SApple OSS Distributions #define PF_PKT 0x0008 /* packet mode */ 48*5c2921b0SApple OSS Distributions #define PF_STOPPED 0x0010 /* user told stopped */ 49*5c2921b0SApple OSS Distributions #define PF_NOSTOP 0x0040 50*5c2921b0SApple OSS Distributions #define PF_UCNTL 0x0080 /* user control mode */ 51*5c2921b0SApple OSS Distributions #define PF_UNLOCKED 0x0100 /* replica unlock (primary open resets) */ 52*5c2921b0SApple OSS Distributions #define PF_OPEN_M 0x0200 /* primary is open */ 53*5c2921b0SApple OSS Distributions #define PF_OPEN_S 0x0400 /* replica is open */ 54*5c2921b0SApple OSS Distributions 55*5c2921b0SApple OSS Distributions struct tty_dev_t { 56*5c2921b0SApple OSS Distributions int primary; // primary major device number 57*5c2921b0SApple OSS Distributions int replica; // replica major device number 58*5c2921b0SApple OSS Distributions unsigned int fix_7828447:1, 59*5c2921b0SApple OSS Distributions fix_7070978:1, 60*5c2921b0SApple OSS Distributions mac_notify:1, 61*5c2921b0SApple OSS Distributions open_reset:1, 62*5c2921b0SApple OSS Distributions _reserved:28; 63*5c2921b0SApple OSS Distributions #if __LP64__ 64*5c2921b0SApple OSS Distributions int _pad; 65*5c2921b0SApple OSS Distributions #endif 66*5c2921b0SApple OSS Distributions 67*5c2921b0SApple OSS Distributions struct tty_dev_t *next; 68*5c2921b0SApple OSS Distributions 69*5c2921b0SApple OSS Distributions struct ptmx_ioctl *(*open)(int minor, int flags); 70*5c2921b0SApple OSS Distributions int (*free)(int minor, int flags); 71*5c2921b0SApple OSS Distributions int (*name)(int minor, char *buffer, size_t size); 72*5c2921b0SApple OSS Distributions void (*revoke)(int minor, struct tty *tp); 73*5c2921b0SApple OSS Distributions }; 74*5c2921b0SApple OSS Distributions 75*5c2921b0SApple OSS Distributions extern void tty_dev_register(struct tty_dev_t *dev); 76*5c2921b0SApple OSS Distributions 77*5c2921b0SApple OSS Distributions extern int ttnread(struct tty *tp); 78*5c2921b0SApple OSS Distributions 79*5c2921b0SApple OSS Distributions extern void termios32to64(struct termios32 *in, struct user_termios *out); 80*5c2921b0SApple OSS Distributions extern void termios64to32(struct user_termios *in, struct termios32 *out); 81*5c2921b0SApple OSS Distributions 82*5c2921b0SApple OSS Distributions #endif // __TTY_DEV_H__ 83