1*fdd8201dSApple OSS Distributions /* 2*fdd8201dSApple OSS Distributions * Copyright (c) 2013 Apple Inc. All rights reserved. 3*fdd8201dSApple OSS Distributions * 4*fdd8201dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*fdd8201dSApple OSS Distributions * 6*fdd8201dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*fdd8201dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*fdd8201dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*fdd8201dSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*fdd8201dSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*fdd8201dSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*fdd8201dSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*fdd8201dSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*fdd8201dSApple OSS Distributions * 15*fdd8201dSApple OSS Distributions * Please obtain a copy of the License at 16*fdd8201dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*fdd8201dSApple OSS Distributions * 18*fdd8201dSApple OSS Distributions * The Original Code and all software distributed under the License are 19*fdd8201dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*fdd8201dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*fdd8201dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*fdd8201dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*fdd8201dSApple OSS Distributions * Please see the License for the specific language governing rights and 24*fdd8201dSApple OSS Distributions * limitations under the License. 25*fdd8201dSApple OSS Distributions * 26*fdd8201dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*fdd8201dSApple OSS Distributions */ 28*fdd8201dSApple OSS Distributions 29*fdd8201dSApple OSS Distributions #ifndef __TTY_DEV_H__ 30*fdd8201dSApple OSS Distributions #define __TTY_DEV_H__ 31*fdd8201dSApple OSS Distributions 32*fdd8201dSApple OSS Distributions /* 33*fdd8201dSApple OSS Distributions * ptmx_ioctl is a pointer to a list of pointers to tty structures which is 34*fdd8201dSApple OSS Distributions * grown, as necessary, copied, and replaced, but never shrunk. The ioctl 35*fdd8201dSApple OSS Distributions * structures themselves pointed to from this list come and go as needed. 36*fdd8201dSApple OSS Distributions */ 37*fdd8201dSApple OSS Distributions struct ptmx_ioctl { 38*fdd8201dSApple OSS Distributions struct tty *pt_tty; /* pointer to ttymalloc()'ed data */ 39*fdd8201dSApple OSS Distributions int pt_flags; 40*fdd8201dSApple OSS Distributions struct selinfo pt_selr; 41*fdd8201dSApple OSS Distributions struct selinfo pt_selw; 42*fdd8201dSApple OSS Distributions u_char pt_send; 43*fdd8201dSApple OSS Distributions u_char pt_ucntl; 44*fdd8201dSApple OSS Distributions void *pt_devhandle; /* cloned replica device handle */ 45*fdd8201dSApple OSS Distributions }; 46*fdd8201dSApple OSS Distributions 47*fdd8201dSApple OSS Distributions #define PF_PKT 0x0008 /* packet mode */ 48*fdd8201dSApple OSS Distributions #define PF_STOPPED 0x0010 /* user told stopped */ 49*fdd8201dSApple OSS Distributions #define PF_NOSTOP 0x0040 50*fdd8201dSApple OSS Distributions #define PF_UCNTL 0x0080 /* user control mode */ 51*fdd8201dSApple OSS Distributions #define PF_UNLOCKED 0x0100 /* replica unlock (primary open resets) */ 52*fdd8201dSApple OSS Distributions #define PF_OPEN_M 0x0200 /* primary is open */ 53*fdd8201dSApple OSS Distributions #define PF_OPEN_S 0x0400 /* replica is open */ 54*fdd8201dSApple OSS Distributions 55*fdd8201dSApple OSS Distributions struct tty_dev_t { 56*fdd8201dSApple OSS Distributions int primary; // primary major device number 57*fdd8201dSApple OSS Distributions int replica; // replica major device number 58*fdd8201dSApple OSS Distributions unsigned int fix_7828447:1, 59*fdd8201dSApple OSS Distributions fix_7070978:1, 60*fdd8201dSApple OSS Distributions mac_notify:1, 61*fdd8201dSApple OSS Distributions open_reset:1, 62*fdd8201dSApple OSS Distributions _reserved:28; 63*fdd8201dSApple OSS Distributions #if __LP64__ 64*fdd8201dSApple OSS Distributions int _pad; 65*fdd8201dSApple OSS Distributions #endif 66*fdd8201dSApple OSS Distributions 67*fdd8201dSApple OSS Distributions struct tty_dev_t *next; 68*fdd8201dSApple OSS Distributions 69*fdd8201dSApple OSS Distributions struct ptmx_ioctl *(*open)(int minor, int flags); 70*fdd8201dSApple OSS Distributions int (*free)(int minor, int flags); 71*fdd8201dSApple OSS Distributions int (*name)(int minor, char *buffer, size_t size); 72*fdd8201dSApple OSS Distributions void (*revoke)(int minor, struct tty *tp); 73*fdd8201dSApple OSS Distributions }; 74*fdd8201dSApple OSS Distributions 75*fdd8201dSApple OSS Distributions extern void tty_dev_register(struct tty_dev_t *dev); 76*fdd8201dSApple OSS Distributions 77*fdd8201dSApple OSS Distributions extern int ttnread(struct tty *tp); 78*fdd8201dSApple OSS Distributions 79*fdd8201dSApple OSS Distributions extern void termios32to64(struct termios32 *in, struct user_termios *out); 80*fdd8201dSApple OSS Distributions extern void termios64to32(struct user_termios *in, struct termios32 *out); 81*fdd8201dSApple OSS Distributions 82*fdd8201dSApple OSS Distributions #endif // __TTY_DEV_H__ 83