| | 1 | /* |
| | 2 | * Copyright (c) 2013 Apple Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. The rights granted to you under the License |
| | 10 | * may not be used to create, or enable the creation or redistribution of, |
| | 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| | 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| | 13 | * terms of an Apple operating system software license agreement. |
| | 14 | * |
| | 15 | * Please obtain a copy of the License at |
| | 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| | 17 | * |
| | 18 | * The Original Code and all software distributed under the License are |
| | 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 23 | * Please see the License for the specific language governing rights and |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 27 | */ |
| | 28 | |
| | 29 | #ifndef __TTY_DEV_H__ |
| | 30 | #define __TTY_DEV_H__ |
| | 31 | |
| | 32 | /* |
| | 33 | * ptmx_ioctl is a pointer to a list of pointers to tty structures which is |
| | 34 | * grown, as necessary, copied, and replaced, but never shrunk. The ioctl |
| | 35 | * structures themselves pointed to from this list come and go as needed. |
| | 36 | */ |
| | 37 | struct ptmx_ioctl { |
| | 38 | struct tty *pt_tty; /* pointer to ttymalloc()'ed data */ |
| | 39 | int pt_flags; |
| | 40 | struct selinfo pt_selr; |
| | 41 | struct selinfo pt_selw; |
| | 42 | u_char pt_send; |
| | 43 | u_char pt_ucntl; |
| | 44 | void *pt_devhandle; /* cloned slave device handle */ |
| | 45 | }; |
| | 46 | |
| | 47 | #define PF_PKT 0x0008 /* packet mode */ |
| | 48 | #define PF_STOPPED 0x0010 /* user told stopped */ |
| | 49 | #define PF_REMOTE 0x0020 /* remote and flow controlled input */ |
| | 50 | #define PF_NOSTOP 0x0040 |
| | 51 | #define PF_UCNTL 0x0080 /* user control mode */ |
| | 52 | #define PF_UNLOCKED 0x0100 /* slave unlock (master open resets) */ |
| | 53 | #define PF_OPEN_M 0x0200 /* master is open */ |
| | 54 | #define PF_OPEN_S 0x0400 /* slave is open */ |
| | 55 | |
| | 56 | struct tty_dev_t { |
| | 57 | int master; // master major device number |
| | 58 | int slave; // slave major device number |
| | 59 | unsigned int fix_7828447:1, |
| | 60 | fix_7070978:1, |
| | 61 | mac_notify:1, |
| | 62 | open_reset:1, |
| | 63 | _reserved:28; |
| | 64 | #if __LP64__ |
| | 65 | int _pad; |
| | 66 | #endif |
| | 67 | |
| | 68 | struct tty_dev_t *next; |
| | 69 | |
| | 70 | struct ptmx_ioctl *(*open)(int minor, int flags); |
| | 71 | int (*free)(int minor, int flags); |
| | 72 | int (*name)(int minor, char *buffer, size_t size); |
| | 73 | void (*revoke)(int minor, struct tty *tp); |
| | 74 | }; |
| | 75 | |
| | 76 | extern void tty_dev_register(struct tty_dev_t *dev); |
| | 77 | |
| | 78 | extern int ttnread(struct tty *tp); |
| | 79 | |
| | 80 | #endif // __TTY_DEV_H__ |
projects / apple / xnu.git / blame_incremental