| 1 |
1275 |
phoenix |
/*
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| 2 |
|
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* IBM/3270 Driver -- Copyright (C) 2000, 2001 UTS Global LLC
|
| 3 |
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*
|
| 4 |
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* tubtty.c -- Linemode tty driver
|
| 5 |
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*
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| 6 |
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*
|
| 7 |
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*
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| 8 |
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*
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| 9 |
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*
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| 10 |
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* Author: Richard Hitt
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| 11 |
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*/
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| 12 |
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#include <linux/config.h>
|
| 13 |
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#include "tubio.h"
|
| 14 |
|
|
|
| 15 |
|
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/* Initialization & uninitialization for tubtty */
|
| 16 |
|
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int tty3270_init(void);
|
| 17 |
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void tty3270_fini(void);
|
| 18 |
|
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|
| 19 |
|
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/* Interface routines from the upper tty layer to the tty driver */
|
| 20 |
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static int tty3270_open(struct tty_struct *, struct file *);
|
| 21 |
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static void tty3270_close(struct tty_struct *, struct file *);
|
| 22 |
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static int tty3270_write(struct tty_struct *, int,
|
| 23 |
|
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const unsigned char *, int);
|
| 24 |
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static void tty3270_put_char(struct tty_struct *, unsigned char);
|
| 25 |
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static void tty3270_flush_chars(struct tty_struct *);
|
| 26 |
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static int tty3270_write_room(struct tty_struct *);
|
| 27 |
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static int tty3270_chars_in_buffer(struct tty_struct *);
|
| 28 |
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static int tty3270_ioctl(struct tty_struct *, struct file *,
|
| 29 |
|
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unsigned int cmd, unsigned long arg);
|
| 30 |
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static void tty3270_set_termios(struct tty_struct *, struct termios *);
|
| 31 |
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static void tty3270_hangup(struct tty_struct *);
|
| 32 |
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static void tty3270_flush_buffer(struct tty_struct *);
|
| 33 |
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static int tty3270_read_proc(char *, char **, off_t, int, int *, void *);
|
| 34 |
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static int tty3270_write_proc(struct file *, const char *,
|
| 35 |
|
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unsigned long, void *);
|
| 36 |
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|
| 37 |
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/* tty3270 utility functions */
|
| 38 |
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static void tty3270_bh(void *);
|
| 39 |
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void tty3270_sched_bh(tub_t *);
|
| 40 |
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static int tty3270_wait(tub_t *, long *);
|
| 41 |
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void tty3270_int(tub_t *, devstat_t *);
|
| 42 |
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int tty3270_try_logging(tub_t *);
|
| 43 |
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static void tty3270_start_input(tub_t *);
|
| 44 |
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static void tty3270_do_input(tub_t *);
|
| 45 |
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static void tty3270_do_enter(tub_t *, char *, int);
|
| 46 |
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static void tty3270_do_showi(tub_t *, char *, int);
|
| 47 |
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int tty3270_io(tub_t *);
|
| 48 |
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static int tty3270_show_tube(int, char *, int);
|
| 49 |
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|
| 50 |
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int tty3270_major = -1;
|
| 51 |
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struct tty_driver tty3270_driver;
|
| 52 |
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int tty3270_refcount;
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| 53 |
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struct tty_struct *tty3270_table[TUBMAXMINS];
|
| 54 |
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struct termios *tty3270_termios[TUBMAXMINS];
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| 55 |
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struct termios *tty3270_termios_locked[TUBMAXMINS];
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| 56 |
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#ifdef CONFIG_TN3270_CONSOLE
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| 57 |
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int con3270_major = -1;
|
| 58 |
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struct tty_driver con3270_driver;
|
| 59 |
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int con3270_refcount;
|
| 60 |
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struct tty_struct *con3270_table[1];
|
| 61 |
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struct termios *con3270_termios[1];
|
| 62 |
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struct termios *con3270_termios_locked[1];
|
| 63 |
|
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#endif /* CONFIG_TN3270_CONSOLE */
|
| 64 |
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| 65 |
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int tty3270_proc_index;
|
| 66 |
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int tty3270_proc_data;
|
| 67 |
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int tty3270_proc_misc;
|
| 68 |
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enum tubwhat tty3270_proc_what;
|
| 69 |
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|
| 70 |
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/*
|
| 71 |
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* tty3270_init() -- Register the tty3270 driver
|
| 72 |
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*/
|
| 73 |
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int
|
| 74 |
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tty3270_init(void)
|
| 75 |
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{
|
| 76 |
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struct tty_driver *td = &tty3270_driver;
|
| 77 |
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int rc;
|
| 78 |
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|
| 79 |
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/* Initialize for tty driver */
|
| 80 |
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td->magic = TTY_DRIVER_MAGIC;
|
| 81 |
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td->driver_name = "tty3270";
|
| 82 |
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td->name = "tty3270";
|
| 83 |
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td->major = IBM_TTY3270_MAJOR;
|
| 84 |
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td->minor_start = 0;
|
| 85 |
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td->num = TUBMAXMINS;
|
| 86 |
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td->type = TTY_DRIVER_TYPE_SYSTEM;
|
| 87 |
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td->subtype = SYSTEM_TYPE_TTY;
|
| 88 |
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td->init_termios = tty_std_termios;
|
| 89 |
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td->flags = TTY_DRIVER_RESET_TERMIOS;
|
| 90 |
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#ifdef CONFIG_DEVFS_FS
|
| 91 |
|
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td->flags |= TTY_DRIVER_NO_DEVFS;
|
| 92 |
|
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#endif
|
| 93 |
|
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td->refcount = &tty3270_refcount;
|
| 94 |
|
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td->table = tty3270_table;
|
| 95 |
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td->termios = tty3270_termios;
|
| 96 |
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td->termios_locked = tty3270_termios_locked;
|
| 97 |
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|
|
| 98 |
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td->open = tty3270_open;
|
| 99 |
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td->close = tty3270_close;
|
| 100 |
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td->write = tty3270_write;
|
| 101 |
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td->put_char = tty3270_put_char;
|
| 102 |
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td->flush_chars = tty3270_flush_chars;
|
| 103 |
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td->write_room = tty3270_write_room;
|
| 104 |
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td->chars_in_buffer = tty3270_chars_in_buffer;
|
| 105 |
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td->ioctl = tty3270_ioctl;
|
| 106 |
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td->ioctl = NULL;
|
| 107 |
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td->set_termios = tty3270_set_termios;
|
| 108 |
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td->throttle = NULL;
|
| 109 |
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td->unthrottle = NULL;
|
| 110 |
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td->stop = NULL;
|
| 111 |
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td->start = NULL;
|
| 112 |
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td->hangup = tty3270_hangup;
|
| 113 |
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td->break_ctl = NULL;
|
| 114 |
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td->flush_buffer = tty3270_flush_buffer;
|
| 115 |
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td->set_ldisc = NULL;
|
| 116 |
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td->wait_until_sent = NULL;
|
| 117 |
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td->send_xchar = NULL;
|
| 118 |
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td->read_proc = tty3270_read_proc;
|
| 119 |
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td->write_proc = tty3270_write_proc;
|
| 120 |
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|
|
| 121 |
|
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rc = tty_register_driver(td);
|
| 122 |
|
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if (rc) {
|
| 123 |
|
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printk(KERN_ERR "tty3270 registration failed with %d\n", rc);
|
| 124 |
|
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} else {
|
| 125 |
|
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tty3270_major = IBM_TTY3270_MAJOR;
|
| 126 |
|
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if (td->proc_entry != NULL)
|
| 127 |
|
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td->proc_entry->mode = S_IRUGO | S_IWUGO;
|
| 128 |
|
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}
|
| 129 |
|
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0))
|
| 130 |
|
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#ifdef CONFIG_TN3270_CONSOLE
|
| 131 |
|
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if (CONSOLE_IS_3270) {
|
| 132 |
|
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tty3270_con_driver = *td;
|
| 133 |
|
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td = &tty3270_con_driver;
|
| 134 |
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td->driver_name = "con3270";
|
| 135 |
|
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td->name = "con3270";
|
| 136 |
|
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td->major = MAJOR(S390_CONSOLE_DEV);
|
| 137 |
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td->minor_start = MINOR(S390_CONSOLE_DEV);
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| 138 |
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td->num = 1;
|
| 139 |
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td->refcount = &con3270_refcount;
|
| 140 |
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td->table = con3270_table;
|
| 141 |
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td->termios = con3270_termios;
|
| 142 |
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td->termios_locked = con3270_termios_locked;
|
| 143 |
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|
| 144 |
|
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rc = tty_register_driver(td);
|
| 145 |
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if (rc) {
|
| 146 |
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printk(KERN_ERR
|
| 147 |
|
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"con3270 registration failed with %d\n", rc);
|
| 148 |
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} else {
|
| 149 |
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con3270_major = MAJOR(S390_CONSOLE_DEV);
|
| 150 |
|
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if (td->proc_entry != NULL)
|
| 151 |
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td->proc_entry->mode = S_IRUGO | S_IWUGO;
|
| 152 |
|
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}
|
| 153 |
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}
|
| 154 |
|
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#endif /* ifdef CONFIG_TN3270_CONSOLE */
|
| 155 |
|
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#endif /* if LINUX_VERSION_CODE */
|
| 156 |
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|
| 157 |
|
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return rc;
|
| 158 |
|
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}
|
| 159 |
|
|
|
| 160 |
|
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/*
|
| 161 |
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* tty3270_fini() -- Uninitialize linemode tubes
|
| 162 |
|
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*/
|
| 163 |
|
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void
|
| 164 |
|
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tty3270_fini(void)
|
| 165 |
|
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{
|
| 166 |
|
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if (tty3270_major != -1) {
|
| 167 |
|
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tty_unregister_driver(&tty3270_driver);
|
| 168 |
|
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tty3270_major = -1;
|
| 169 |
|
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}
|
| 170 |
|
|
#ifdef CONFIG_TN3270_CONSOLE
|
| 171 |
|
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if (CONSOLE_IS_3270 && con3270_major != -1) {
|
| 172 |
|
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tty_unregister_driver(&con3270_driver);
|
| 173 |
|
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con3270_major = -1;
|
| 174 |
|
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}
|
| 175 |
|
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#endif
|
| 176 |
|
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}
|
| 177 |
|
|
|
| 178 |
|
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static int
|
| 179 |
|
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tty3270_open(struct tty_struct *tty, struct file *filp)
|
| 180 |
|
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{
|
| 181 |
|
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tub_t *tubp;
|
| 182 |
|
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long flags;
|
| 183 |
|
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int rc;
|
| 184 |
|
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int cmd;
|
| 185 |
|
|
|
| 186 |
|
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if ((tubp = TTY2TUB(tty)) == NULL) {
|
| 187 |
|
|
return -ENODEV;
|
| 188 |
|
|
}
|
| 189 |
|
|
|
| 190 |
|
|
tub_inc_use_count();
|
| 191 |
|
|
if ((rc = tty3270_wait(tubp, &flags)) != 0)
|
| 192 |
|
|
goto do_fail;
|
| 193 |
|
|
if (tubp->lnopen > 0) {
|
| 194 |
|
|
tubp->lnopen++;
|
| 195 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 196 |
|
|
return 0;
|
| 197 |
|
|
}
|
| 198 |
|
|
if (tubp->flags & TUB_OPEN_STET) {
|
| 199 |
|
|
cmd = TBC_UPDLOG;
|
| 200 |
|
|
} else {
|
| 201 |
|
|
cmd = TBC_OPEN;
|
| 202 |
|
|
tubp->flags &= ~TUB_SIZED;
|
| 203 |
|
|
}
|
| 204 |
|
|
if ((rc = tty3270_size(tubp, &flags)) != 0)
|
| 205 |
|
|
goto do_fail;
|
| 206 |
|
|
if ((rc = tty3270_rcl_init(tubp)) != 0)
|
| 207 |
|
|
goto do_fail;
|
| 208 |
|
|
if ((rc = tty3270_aid_init(tubp)) != 0)
|
| 209 |
|
|
goto do_fail;
|
| 210 |
|
|
if ((rc = tty3270_scl_init(tubp)) != 0)
|
| 211 |
|
|
goto do_fail;
|
| 212 |
|
|
tubp->mode = TBM_LN;
|
| 213 |
|
|
tubp->intv = tty3270_int;
|
| 214 |
|
|
tubp->tty = tty;
|
| 215 |
|
|
tubp->lnopen = 1;
|
| 216 |
|
|
tty->driver_data = tubp;
|
| 217 |
|
|
tty->winsize.ws_row = tubp->geom_rows - 2;
|
| 218 |
|
|
tty->winsize.ws_col = tubp->geom_cols;
|
| 219 |
|
|
if (tubp->tty_input == NULL)
|
| 220 |
|
|
tubp->tty_input = kmalloc(GEOM_INPLEN, GFP_KERNEL|GFP_DMA);
|
| 221 |
|
|
tubp->tty_inattr = TF_INPUT;
|
| 222 |
|
|
tubp->cmd = cmd;
|
| 223 |
|
|
tty3270_build(tubp);
|
| 224 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 225 |
|
|
return 0;
|
| 226 |
|
|
|
| 227 |
|
|
do_fail:
|
| 228 |
|
|
tty3270_scl_fini(tubp);
|
| 229 |
|
|
tty3270_aid_fini(tubp);
|
| 230 |
|
|
tty3270_rcl_fini(tubp);
|
| 231 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 232 |
|
|
tub_dec_use_count();
|
| 233 |
|
|
return rc;
|
| 234 |
|
|
}
|
| 235 |
|
|
|
| 236 |
|
|
static void
|
| 237 |
|
|
tty3270_close(struct tty_struct *tty, struct file *filp)
|
| 238 |
|
|
{
|
| 239 |
|
|
tub_t *tubp;
|
| 240 |
|
|
long flags;
|
| 241 |
|
|
|
| 242 |
|
|
if ((tubp = tty->driver_data) == NULL)
|
| 243 |
|
|
return;
|
| 244 |
|
|
|
| 245 |
|
|
tty3270_wait(tubp, &flags);
|
| 246 |
|
|
if (--tubp->lnopen > 0)
|
| 247 |
|
|
goto do_return;
|
| 248 |
|
|
tubp->tty = NULL;
|
| 249 |
|
|
tty->driver_data = NULL;
|
| 250 |
|
|
tty3270_aid_fini(tubp);
|
| 251 |
|
|
tty3270_rcl_fini(tubp);
|
| 252 |
|
|
tty3270_scl_fini(tubp);
|
| 253 |
|
|
do_return:
|
| 254 |
|
|
tub_dec_use_count();
|
| 255 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 256 |
|
|
}
|
| 257 |
|
|
|
| 258 |
|
|
static int
|
| 259 |
|
|
tty3270_write(struct tty_struct *tty, int fromuser,
|
| 260 |
|
|
const unsigned char *buf, int count)
|
| 261 |
|
|
{
|
| 262 |
|
|
tub_t *tubp;
|
| 263 |
|
|
long flags;
|
| 264 |
|
|
bcb_t obcb;
|
| 265 |
|
|
int rc = 0;
|
| 266 |
|
|
|
| 267 |
|
|
if ((tubp = tty->driver_data) == NULL)
|
| 268 |
|
|
return -1;
|
| 269 |
|
|
|
| 270 |
|
|
#ifdef CONFIG_TN3270_CONSOLE
|
| 271 |
|
|
if (CONSOLE_IS_3270 && tub3270_con_tubp == tubp)
|
| 272 |
|
|
tub3270_con_copy(tubp);
|
| 273 |
|
|
#endif /* CONFIG_TN3270_CONSOLE */
|
| 274 |
|
|
|
| 275 |
|
|
obcb.bc_buf = (char *)buf;
|
| 276 |
|
|
obcb.bc_len = obcb.bc_cnt = obcb.bc_wr = count;
|
| 277 |
|
|
obcb.bc_rd = 0;
|
| 278 |
|
|
|
| 279 |
|
|
TUBLOCK(tubp->irq, flags);
|
| 280 |
|
|
rc = tub3270_movedata(&obcb, &tubp->tty_bcb, fromuser);
|
| 281 |
|
|
tty3270_try_logging(tubp);
|
| 282 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 283 |
|
|
return rc;
|
| 284 |
|
|
}
|
| 285 |
|
|
|
| 286 |
|
|
static void
|
| 287 |
|
|
tty3270_put_char(struct tty_struct *tty, unsigned char ch)
|
| 288 |
|
|
{
|
| 289 |
|
|
long flags;
|
| 290 |
|
|
tub_t *tubp;
|
| 291 |
|
|
bcb_t *ob;
|
| 292 |
|
|
|
| 293 |
|
|
if ((tubp = tty->driver_data) == NULL)
|
| 294 |
|
|
return;
|
| 295 |
|
|
|
| 296 |
|
|
TUBLOCK(tubp->irq, flags);
|
| 297 |
|
|
ob = &tubp->tty_bcb;
|
| 298 |
|
|
if (ob->bc_cnt < ob->bc_len) {
|
| 299 |
|
|
ob->bc_buf[ob->bc_wr++] = ch;
|
| 300 |
|
|
if (ob->bc_wr == ob->bc_len)
|
| 301 |
|
|
ob->bc_wr = 0;
|
| 302 |
|
|
ob->bc_cnt++;
|
| 303 |
|
|
}
|
| 304 |
|
|
tty3270_try_logging(tubp);
|
| 305 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 306 |
|
|
}
|
| 307 |
|
|
|
| 308 |
|
|
static void
|
| 309 |
|
|
tty3270_flush_chars(struct tty_struct *tty)
|
| 310 |
|
|
{
|
| 311 |
|
|
tub_t *tubp;
|
| 312 |
|
|
long flags;
|
| 313 |
|
|
|
| 314 |
|
|
if ((tubp = tty->driver_data) == NULL)
|
| 315 |
|
|
return;
|
| 316 |
|
|
|
| 317 |
|
|
TUBLOCK(tubp->irq, flags);
|
| 318 |
|
|
tty3270_try_logging(tubp);
|
| 319 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 320 |
|
|
}
|
| 321 |
|
|
|
| 322 |
|
|
static int
|
| 323 |
|
|
tty3270_write_room(struct tty_struct *tty)
|
| 324 |
|
|
{
|
| 325 |
|
|
tub_t *tubp;
|
| 326 |
|
|
bcb_t *ob;
|
| 327 |
|
|
|
| 328 |
|
|
if ((tubp = tty->driver_data) == NULL)
|
| 329 |
|
|
return -1;
|
| 330 |
|
|
|
| 331 |
|
|
ob = &tubp->tty_bcb;
|
| 332 |
|
|
return ob->bc_len - ob->bc_cnt;
|
| 333 |
|
|
}
|
| 334 |
|
|
|
| 335 |
|
|
static int
|
| 336 |
|
|
tty3270_chars_in_buffer(struct tty_struct *tty)
|
| 337 |
|
|
{
|
| 338 |
|
|
tub_t *tubp;
|
| 339 |
|
|
bcb_t *ob;
|
| 340 |
|
|
|
| 341 |
|
|
if ((tubp = tty->driver_data) == NULL)
|
| 342 |
|
|
return -1;
|
| 343 |
|
|
|
| 344 |
|
|
ob = &tubp->tty_bcb;
|
| 345 |
|
|
return ob->bc_cnt;
|
| 346 |
|
|
}
|
| 347 |
|
|
|
| 348 |
|
|
static int
|
| 349 |
|
|
tty3270_ioctl(struct tty_struct *tty, struct file *file,
|
| 350 |
|
|
unsigned int cmd, unsigned long arg)
|
| 351 |
|
|
{
|
| 352 |
|
|
tub_t *tubp;
|
| 353 |
|
|
long flags;
|
| 354 |
|
|
int ret = 0;
|
| 355 |
|
|
struct termios termios;
|
| 356 |
|
|
|
| 357 |
|
|
if ((tubp = tty->driver_data) == NULL)
|
| 358 |
|
|
return -ENODEV;
|
| 359 |
|
|
|
| 360 |
|
|
TUBLOCK(tubp->irq, flags);
|
| 361 |
|
|
if (tty->flags * (1 << TTY_IO_ERROR)) {
|
| 362 |
|
|
ret = -EIO;
|
| 363 |
|
|
goto do_return;
|
| 364 |
|
|
}
|
| 365 |
|
|
switch(cmd) {
|
| 366 |
|
|
case TCGETS:
|
| 367 |
|
|
ret = -ENOIOCTLCMD;
|
| 368 |
|
|
goto do_return;
|
| 369 |
|
|
case TCFLSH: /* arg: 2 or 0 */
|
| 370 |
|
|
ret = -ENOIOCTLCMD;
|
| 371 |
|
|
goto do_return;
|
| 372 |
|
|
case TCSETSF:
|
| 373 |
|
|
if (user_termios_to_kernel_termios(&termios,
|
| 374 |
|
|
(struct termios *)arg)) {
|
| 375 |
|
|
ret = -EFAULT;
|
| 376 |
|
|
goto do_return;
|
| 377 |
|
|
}
|
| 378 |
|
|
ret = -ENOIOCTLCMD;
|
| 379 |
|
|
goto do_return;
|
| 380 |
|
|
case TCGETA:
|
| 381 |
|
|
ret = -ENOIOCTLCMD;
|
| 382 |
|
|
goto do_return;
|
| 383 |
|
|
case TCSETA:
|
| 384 |
|
|
if (user_termio_to_kernel_termios(&termios,
|
| 385 |
|
|
(struct termio *)arg)) {
|
| 386 |
|
|
ret = -EFAULT;
|
| 387 |
|
|
goto do_return;
|
| 388 |
|
|
}
|
| 389 |
|
|
ret = -ENOIOCTLCMD;
|
| 390 |
|
|
goto do_return;
|
| 391 |
|
|
default:
|
| 392 |
|
|
ret = -ENOIOCTLCMD;
|
| 393 |
|
|
break;
|
| 394 |
|
|
}
|
| 395 |
|
|
|
| 396 |
|
|
do_return:
|
| 397 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 398 |
|
|
return ret;
|
| 399 |
|
|
}
|
| 400 |
|
|
|
| 401 |
|
|
static void
|
| 402 |
|
|
tty3270_set_termios(struct tty_struct *tty, struct termios *old)
|
| 403 |
|
|
{
|
| 404 |
|
|
tub_t *tubp;
|
| 405 |
|
|
long flags;
|
| 406 |
|
|
int new;
|
| 407 |
|
|
|
| 408 |
|
|
if ((tubp = tty->driver_data) == NULL)
|
| 409 |
|
|
return;
|
| 410 |
|
|
|
| 411 |
|
|
if (tty3270_wait(tubp, &flags) != 0) {
|
| 412 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 413 |
|
|
return;
|
| 414 |
|
|
}
|
| 415 |
|
|
new = L_ICANON(tty)? L_ECHO(tty)? TF_INPUT: TF_INPUTN:
|
| 416 |
|
|
tubp->tty_inattr;
|
| 417 |
|
|
if (new != tubp->tty_inattr) {
|
| 418 |
|
|
tubp->tty_inattr = new;
|
| 419 |
|
|
tubp->cmd = TBC_CLRINPUT;
|
| 420 |
|
|
tty3270_build(tubp);
|
| 421 |
|
|
}
|
| 422 |
|
|
|
| 423 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 424 |
|
|
}
|
| 425 |
|
|
|
| 426 |
|
|
static void
|
| 427 |
|
|
tty3270_flush_buffer(struct tty_struct *tty)
|
| 428 |
|
|
{
|
| 429 |
|
|
tub_t *tubp;
|
| 430 |
|
|
bcb_t *ob;
|
| 431 |
|
|
long flags;
|
| 432 |
|
|
|
| 433 |
|
|
if ((tubp = tty->driver_data) == NULL)
|
| 434 |
|
|
return;
|
| 435 |
|
|
|
| 436 |
|
|
if (tubp->mode == TBM_FS && tubp->fs_pid != 0) {
|
| 437 |
|
|
kill_proc(tubp->fs_pid, SIGHUP, 1);
|
| 438 |
|
|
}
|
| 439 |
|
|
|
| 440 |
|
|
if ((tubp->flags & TUB_OPEN_STET) == 0) {
|
| 441 |
|
|
ob = &tubp->tty_bcb;
|
| 442 |
|
|
TUBLOCK(tubp->irq, flags);
|
| 443 |
|
|
ob->bc_rd = 0;
|
| 444 |
|
|
ob->bc_wr = 0;
|
| 445 |
|
|
ob->bc_cnt = 0;
|
| 446 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 447 |
|
|
}
|
| 448 |
|
|
wake_up_interruptible(&tty->write_wait);
|
| 449 |
|
|
if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
|
| 450 |
|
|
tty->ldisc.write_wakeup)
|
| 451 |
|
|
(tty->ldisc.write_wakeup)(tty);
|
| 452 |
|
|
}
|
| 453 |
|
|
|
| 454 |
|
|
static int
|
| 455 |
|
|
tty3270_read_proc(char *buf, char **start, off_t off, int count,
|
| 456 |
|
|
int *eof, void *data)
|
| 457 |
|
|
{
|
| 458 |
|
|
tub_t *tubp;
|
| 459 |
|
|
int begin = 0;
|
| 460 |
|
|
int i;
|
| 461 |
|
|
int rc;
|
| 462 |
|
|
int len = 0;
|
| 463 |
|
|
|
| 464 |
|
|
if (tty3270_proc_what == TW_CONFIG) {
|
| 465 |
|
|
/*
|
| 466 |
|
|
* Describe the 3270 configuration in ascii lines.
|
| 467 |
|
|
* Line 1: 0 <fsmajor> 0
|
| 468 |
|
|
* Console line: <devnum> CONSOLE <minor>
|
| 469 |
|
|
* Other lines: <devnum> <ttymajor> <minor>
|
| 470 |
|
|
*/
|
| 471 |
|
|
len += sprintf(buf + len, "0 %d 0\n", fs3270_major);
|
| 472 |
|
|
for (i = 1; i <= tubnummins; i++) {
|
| 473 |
|
|
tubp = (*tubminors)[i];
|
| 474 |
|
|
#ifdef CONFIG_TN3270_CONSOLE
|
| 475 |
|
|
if (CONSOLE_IS_3270 && tubp == tub3270_con_tubp)
|
| 476 |
|
|
len += sprintf(buf + len, "%.4x CONSOLE %d\n",
|
| 477 |
|
|
tubp->devno, i);
|
| 478 |
|
|
else
|
| 479 |
|
|
#endif
|
| 480 |
|
|
len += sprintf(buf + len, "%.4x %d %d\n",
|
| 481 |
|
|
tubp->devno, tty3270_major, i);
|
| 482 |
|
|
if (begin + len > off + count)
|
| 483 |
|
|
break;
|
| 484 |
|
|
if (begin + len < off) {
|
| 485 |
|
|
begin += len;
|
| 486 |
|
|
len = 0;
|
| 487 |
|
|
}
|
| 488 |
|
|
}
|
| 489 |
|
|
if (i > tubnummins)
|
| 490 |
|
|
*eof = 1;
|
| 491 |
|
|
if (off >= begin + len) {
|
| 492 |
|
|
rc = 0;
|
| 493 |
|
|
} else {
|
| 494 |
|
|
*start = buf + off - begin;
|
| 495 |
|
|
rc = MIN(count, begin + len - off);
|
| 496 |
|
|
}
|
| 497 |
|
|
if (*eof && rc == 0)
|
| 498 |
|
|
tty3270_proc_what = TW_BOGUS;
|
| 499 |
|
|
return rc;
|
| 500 |
|
|
}
|
| 501 |
|
|
|
| 502 |
|
|
len += sprintf(buf, "There are %d devices. fs major is %d, "
|
| 503 |
|
|
"tty major is %d.\n", tubnummins, fs3270_major,
|
| 504 |
|
|
tty3270_major);
|
| 505 |
|
|
len += sprintf(buf+len, " index=%d data=%d misc=%d\n",
|
| 506 |
|
|
tty3270_proc_index,
|
| 507 |
|
|
tty3270_proc_data,
|
| 508 |
|
|
tty3270_proc_misc);
|
| 509 |
|
|
|
| 510 |
|
|
/*
|
| 511 |
|
|
* Display info for the tube with minor nr in index
|
| 512 |
|
|
*/
|
| 513 |
|
|
len += tty3270_show_tube(tty3270_proc_index, buf+len, count-len);
|
| 514 |
|
|
|
| 515 |
|
|
*eof = 1;
|
| 516 |
|
|
if (off >= begin + len)
|
| 517 |
|
|
return 0;
|
| 518 |
|
|
*start = buf + off - begin;
|
| 519 |
|
|
return MIN(count, begin + len - off);
|
| 520 |
|
|
}
|
| 521 |
|
|
|
| 522 |
|
|
static int
|
| 523 |
|
|
tty3270_write_proc(struct file *file, const char *buffer,
|
| 524 |
|
|
unsigned long count, void *data)
|
| 525 |
|
|
{
|
| 526 |
|
|
char mybuf[GEOM_MAXINPLEN];
|
| 527 |
|
|
int mycount;
|
| 528 |
|
|
tub_t *tubp;
|
| 529 |
|
|
struct tty_struct *tty;
|
| 530 |
|
|
kdev_t device;
|
| 531 |
|
|
int rc;
|
| 532 |
|
|
|
| 533 |
|
|
mycount = MIN(count, sizeof mybuf - 1);
|
| 534 |
|
|
if (copy_from_user(mybuf, buffer, mycount) != 0)
|
| 535 |
|
|
return -EFAULT;
|
| 536 |
|
|
mybuf[mycount] = '\0';
|
| 537 |
|
|
|
| 538 |
|
|
/*
|
| 539 |
|
|
* User-mode settings affect only the current tty ---
|
| 540 |
|
|
*/
|
| 541 |
|
|
tubp = NULL;
|
| 542 |
|
|
tty = current->tty;
|
| 543 |
|
|
device = tty? tty->device: 0;
|
| 544 |
|
|
if (device) {
|
| 545 |
|
|
if (MAJOR(device) == IBM_TTY3270_MAJOR)
|
| 546 |
|
|
tubp = (*tubminors)[MINOR(device)];
|
| 547 |
|
|
#ifdef CONFIG_TN3270_CONSOLE
|
| 548 |
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0))
|
| 549 |
|
|
if (CONSOLE_IS_3270 && device == S390_CONSOLE_DEV)
|
| 550 |
|
|
tubp = tub3270_con_tubp;
|
| 551 |
|
|
#endif /* LINUX_VERSION_CODE */
|
| 552 |
|
|
#endif /* CONFIG_TN3270_CONSOLE */
|
| 553 |
|
|
}
|
| 554 |
|
|
if (tubp) {
|
| 555 |
|
|
if ((rc = tty3270_aid_set(tubp, mybuf, mycount + 1)))
|
| 556 |
|
|
return rc > 0? count: rc;
|
| 557 |
|
|
if ((rc = tty3270_rcl_set(tubp, mybuf, mycount + 1)))
|
| 558 |
|
|
return rc > 0? count: rc;
|
| 559 |
|
|
if ((rc = tty3270_scl_set(tubp, mybuf, mycount + 1)))
|
| 560 |
|
|
return rc > 0? count: rc;
|
| 561 |
|
|
}
|
| 562 |
|
|
|
| 563 |
|
|
/*
|
| 564 |
|
|
* Superuser-mode settings affect the driver overall ---
|
| 565 |
|
|
*/
|
| 566 |
|
|
if (!suser()) {
|
| 567 |
|
|
return -EPERM;
|
| 568 |
|
|
} else if (strncmp(mybuf, "index=", 6) == 0) {
|
| 569 |
|
|
tty3270_proc_index = simple_strtoul(mybuf + 6, 0,0);
|
| 570 |
|
|
return count;
|
| 571 |
|
|
} else if (strncmp(mybuf, "data=", 5) == 0) {
|
| 572 |
|
|
tty3270_proc_data = simple_strtoul(mybuf + 5, 0, 0);
|
| 573 |
|
|
return count;
|
| 574 |
|
|
} else if (strncmp(mybuf, "misc=", 5) == 0) {
|
| 575 |
|
|
tty3270_proc_misc = simple_strtoul(mybuf + 5, 0, 0);
|
| 576 |
|
|
return count;
|
| 577 |
|
|
} else if (strncmp(mybuf, "what=", 5) == 0) {
|
| 578 |
|
|
if (strcmp(mybuf+5, "bogus") == 0)
|
| 579 |
|
|
tty3270_proc_what = 0;
|
| 580 |
|
|
else if (strncmp(mybuf+5, "config", 6) == 0)
|
| 581 |
|
|
tty3270_proc_what = TW_CONFIG;
|
| 582 |
|
|
return count;
|
| 583 |
|
|
} else {
|
| 584 |
|
|
return -EINVAL;
|
| 585 |
|
|
}
|
| 586 |
|
|
}
|
| 587 |
|
|
|
| 588 |
|
|
static void
|
| 589 |
|
|
tty3270_hangup(struct tty_struct *tty)
|
| 590 |
|
|
{
|
| 591 |
|
|
tub_t *tubp;
|
| 592 |
|
|
extern void fs3270_release(tub_t *);
|
| 593 |
|
|
|
| 594 |
|
|
if ((tubp = tty->driver_data) == NULL)
|
| 595 |
|
|
return;
|
| 596 |
|
|
tty3270_rcl_purge(tubp);
|
| 597 |
|
|
tty3270_aid_reinit(tubp);
|
| 598 |
|
|
fs3270_release(tubp);
|
| 599 |
|
|
}
|
| 600 |
|
|
|
| 601 |
|
|
|
| 602 |
|
|
/*
|
| 603 |
|
|
* tty3270_bh(tubp) -- Perform back-half processing
|
| 604 |
|
|
*/
|
| 605 |
|
|
static void
|
| 606 |
|
|
tty3270_bh(void *data)
|
| 607 |
|
|
{
|
| 608 |
|
|
tub_t *tubp;
|
| 609 |
|
|
ioinfo_t *ioinfop;
|
| 610 |
|
|
long flags;
|
| 611 |
|
|
struct tty_struct *tty;
|
| 612 |
|
|
|
| 613 |
|
|
ioinfop = ioinfo[(tubp = data)->irq];
|
| 614 |
|
|
while (TUBTRYLOCK(tubp->irq, flags) == 0) {
|
| 615 |
|
|
if (ioinfop->ui.flags.unready == 1)
|
| 616 |
|
|
return;
|
| 617 |
|
|
}
|
| 618 |
|
|
if (ioinfop->ui.flags.unready == 1 ||
|
| 619 |
|
|
ioinfop->ui.flags.ready == 0)
|
| 620 |
|
|
goto do_unlock;
|
| 621 |
|
|
|
| 622 |
|
|
tubp->flags &= ~TUB_BHPENDING;
|
| 623 |
|
|
tty = tubp->tty;
|
| 624 |
|
|
|
| 625 |
|
|
if (tubp->flags & TUB_UNSOL_DE) {
|
| 626 |
|
|
tubp->flags &= ~TUB_UNSOL_DE;
|
| 627 |
|
|
if (tty != NULL) {
|
| 628 |
|
|
tty_hangup(tty);
|
| 629 |
|
|
wake_up_interruptible(&tubp->waitq);
|
| 630 |
|
|
goto do_unlock;
|
| 631 |
|
|
}
|
| 632 |
|
|
}
|
| 633 |
|
|
|
| 634 |
|
|
if (tubp->flags & TUB_IACTIVE) { /* If read ended, */
|
| 635 |
|
|
tty3270_do_input(tubp);
|
| 636 |
|
|
tubp->flags &= ~TUB_IACTIVE;
|
| 637 |
|
|
}
|
| 638 |
|
|
|
| 639 |
|
|
if ((tubp->flags & TUB_WORKING) == 0) {
|
| 640 |
|
|
if (tubp->flags & TUB_ATTN) {
|
| 641 |
|
|
tty3270_start_input(tubp);
|
| 642 |
|
|
tubp->flags &= ~TUB_ATTN;
|
| 643 |
|
|
} else if (tty3270_try_logging(tubp) == 0) {
|
| 644 |
|
|
wake_up_interruptible(&tubp->waitq);
|
| 645 |
|
|
}
|
| 646 |
|
|
}
|
| 647 |
|
|
|
| 648 |
|
|
if (tty != NULL) {
|
| 649 |
|
|
if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
|
| 650 |
|
|
tty->ldisc.write_wakeup != NULL)
|
| 651 |
|
|
(tty->ldisc.write_wakeup)(tty);
|
| 652 |
|
|
wake_up_interruptible(&tty->write_wait);
|
| 653 |
|
|
}
|
| 654 |
|
|
do_unlock:
|
| 655 |
|
|
TUBUNLOCK(tubp->irq, flags);
|
| 656 |
|
|
}
|
| 657 |
|
|
|
| 658 |
|
|
/*
|
| 659 |
|
|
* tty3270_sched_bh(tubp) -- Schedule the back half
|
| 660 |
|
|
* Irq lock must be held on entry and remains held on exit.
|
| 661 |
|
|
*/
|
| 662 |
|
|
void
|
| 663 |
|
|
tty3270_sched_bh(tub_t *tubp)
|
| 664 |
|
|
{
|
| 665 |
|
|
if (tubp->flags & TUB_BHPENDING)
|
| 666 |
|
|
return;
|
| 667 |
|
|
tubp->flags |= TUB_BHPENDING;
|
| 668 |
|
|
tubp->tqueue.routine = tty3270_bh;
|
| 669 |
|
|
tubp->tqueue.data = tubp;
|
| 670 |
|
|
queue_task(&tubp->tqueue, &tq_immediate);
|
| 671 |
|
|
mark_bh(IMMEDIATE_BH);
|
| 672 |
|
|
}
|
| 673 |
|
|
|
| 674 |
|
|
/*
|
| 675 |
|
|
* tty3270_io() -- Perform line-mode reads and writes here
|
| 676 |
|
|
*/
|
| 677 |
|
|
int
|
| 678 |
|
|
tty3270_io(tub_t *tubp)
|
| 679 |
|
|
{
|
| 680 |
|
|
int rc;
|
| 681 |
|
|
ccw1_t *ccwp;
|
| 682 |
|
|
|
| 683 |
|
|
tubp->flags |= TUB_WORKING;
|
| 684 |
|
|
tubp->dstat = 0;
|
| 685 |
|
|
ccwp = &tubp->ttyccw;
|
| 686 |
|
|
|
| 687 |
|
|
rc = do_IO(tubp->irq, ccwp, tubp->irq, 0, 0);
|
| 688 |
|
|
return rc;
|
| 689 |
|
|
}
|
| 690 |
|
|
|
| 691 |
|
|
/*
|
| 692 |
|
|
* tty3270_wait(tubp) -- Wait until TUB_WORKING is off
|
| 693 |
|
|
* On entry the lock must not be held; on exit it is held.
|
| 694 |
|
|
*/
|
| 695 |
|
|
static int
|
| 696 |
|
|
tty3270_wait(tub_t *tubp, long *flags)
|
| 697 |
|
|
{
|
| 698 |
|
|
DECLARE_WAITQUEUE(wait, current);
|
| 699 |
|
|
|
| 700 |
|
|
TUBLOCK(tubp->irq, *flags);
|
| 701 |
|
|
add_wait_queue(&tubp->waitq, &wait);
|
| 702 |
|
|
while (!signal_pending(current) &&
|
| 703 |
|
|
(tubp->flags & TUB_WORKING) != 0) {
|
| 704 |
|
|
current->state = TASK_INTERRUPTIBLE;
|
| 705 |
|
|
TUBUNLOCK(tubp->irq, *flags);
|
| 706 |
|
|
schedule();
|
| 707 |
|
|
current->state = TASK_RUNNING;
|
| 708 |
|
|
TUBLOCK(tubp->irq, *flags);
|
| 709 |
|
|
}
|
| 710 |
|
|
remove_wait_queue(&tubp->waitq, &wait);
|
| 711 |
|
|
return signal_pending(current)? -ERESTARTSYS: 0;
|
| 712 |
|
|
}
|
| 713 |
|
|
|
| 714 |
|
|
void
|
| 715 |
|
|
tty3270_int(tub_t *tubp, devstat_t *dsp)
|
| 716 |
|
|
{
|
| 717 |
|
|
#define DEV_UE_BUSY \
|
| 718 |
|
|
(DEV_STAT_CHN_END | DEV_STAT_DEV_END | DEV_STAT_UNIT_EXCEP)
|
| 719 |
|
|
#define DEV_NOT_WORKING \
|
| 720 |
|
|
(DEV_STAT_ATTENTION | DEV_STAT_DEV_END | DEV_STAT_UNIT_CHECK)
|
| 721 |
|
|
|
| 722 |
|
|
tubp->dstat = dsp->dstat;
|
| 723 |
|
|
|
| 724 |
|
|
/* Handle CE-DE-UE and subsequent UDE */
|
| 725 |
|
|
if (dsp->dstat == DEV_UE_BUSY) {
|
| 726 |
|
|
tubp->flags |= TUB_UE_BUSY;
|
| 727 |
|
|
return;
|
| 728 |
|
|
} else if (tubp->flags & TUB_UE_BUSY) {
|
| 729 |
|
|
tubp->flags &= ~TUB_UE_BUSY;
|
| 730 |
|
|
if (dsp->dstat == DEV_STAT_DEV_END &&
|
| 731 |
|
|
(tubp->flags & TUB_WORKING) != 0) {
|
| 732 |
|
|
tty3270_io(tubp);
|
| 733 |
|
|
return;
|
| 734 |
|
|
}
|
| 735 |
|
|
}
|
| 736 |
|
|
|
| 737 |
|
|
/* Handle ATTN */
|
| 738 |
|
|
if (dsp->dstat & DEV_STAT_ATTENTION)
|
| 739 |
|
|
tubp->flags |= TUB_ATTN;
|
| 740 |
|
|
|
| 741 |
|
|
if (dsp->dstat & DEV_STAT_CHN_END) {
|
| 742 |
|
|
tubp->cswl = dsp->rescnt;
|
| 743 |
|
|
if ((dsp->dstat & DEV_STAT_DEV_END) == 0)
|
| 744 |
|
|
tubp->flags |= TUB_EXPECT_DE;
|
| 745 |
|
|
else
|
| 746 |
|
|
tubp->flags &= ~TUB_EXPECT_DE;
|
| 747 |
|
|
} else if (dsp->dstat & DEV_STAT_DEV_END) {
|
| 748 |
|
|
if ((tubp->flags & TUB_EXPECT_DE) == 0)
|
| 749 |
|
|
tubp->flags |= TUB_UNSOL_DE;
|
| 750 |
|
|
tubp->flags &= ~TUB_EXPECT_DE;
|
| 751 |
|
|
}
|
| 752 |
|
|
if (dsp->dstat & DEV_NOT_WORKING)
|
| 753 |
|
|
tubp->flags &= ~TUB_WORKING;
|
| 754 |
|
|
if (dsp->dstat & DEV_STAT_UNIT_CHECK)
|
| 755 |
|
|
tubp->sense = dsp->ii.sense;
|
| 756 |
|
|
if ((tubp->flags & TUB_WORKING) == 0)
|
| 757 |
|
|
tty3270_sched_bh(tubp);
|
| 758 |
|
|
}
|
| 759 |
|
|
|
| 760 |
|
|
/*
|
| 761 |
|
|
* tty3270_refresh(), called by fs3270_close() when tubp->fsopen == 0.
|
| 762 |
|
|
* On entry, lock is held.
|
| 763 |
|
|
*/
|
| 764 |
|
|
void
|
| 765 |
|
|
tty3270_refresh(tub_t *tubp)
|
| 766 |
|
|
{
|
| 767 |
|
|
if (tubp->lnopen) {
|
| 768 |
|
|
tubp->mode = TBM_LN;
|
| 769 |
|
|
tubp->intv = tty3270_int;
|
| 770 |
|
|
tty3270_scl_resettimer(tubp);
|
| 771 |
|
|
tubp->cmd = TBC_UPDATE;
|
| 772 |
|
|
tty3270_build(tubp);
|
| 773 |
|
|
}
|
| 774 |
|
|
}
|
| 775 |
|
|
|
| 776 |
|
|
int
|
| 777 |
|
|
tty3270_try_logging(tub_t *tubp)
|
| 778 |
|
|
{
|
| 779 |
|
|
if (tubp->flags & TUB_WORKING)
|
| 780 |
|
|
return 0;
|
| 781 |
|
|
if (tubp->mode == TBM_FS)
|
| 782 |
|
|
return 0;
|
| 783 |
|
|
if (tubp->stat == TBS_HOLD)
|
| 784 |
|
|
return 0;
|
| 785 |
|
|
if (tubp->stat == TBS_MORE)
|
| 786 |
|
|
return 0;
|
| 787 |
|
|
#ifdef CONFIG_TN3270_CONSOLE
|
| 788 |
|
|
if (CONSOLE_IS_3270 && tub3270_con_tubp == tubp)
|
| 789 |
|
|
tub3270_con_copy(tubp);
|
| 790 |
|
|
#endif /* CONFIG_TN3270_CONSOLE */
|
| 791 |
|
|
if (tubp->tty_bcb.bc_cnt == 0)
|
| 792 |
|
|
return 0;
|
| 793 |
|
|
if (tubp->intv != tty3270_int)
|
| 794 |
|
|
return 0;
|
| 795 |
|
|
tubp->cmd = TBC_UPDLOG;
|
| 796 |
|
|
return tty3270_build(tubp);
|
| 797 |
|
|
}
|
| 798 |
|
|
|
| 799 |
|
|
/* tty3270 utility functions */
|
| 800 |
|
|
|
| 801 |
|
|
static void
|
| 802 |
|
|
tty3270_start_input(tub_t *tubp)
|
| 803 |
|
|
{
|
| 804 |
|
|
if (tubp->tty_input == NULL)
|
| 805 |
|
|
return;
|
| 806 |
|
|
tubp->ttyccw.cda = virt_to_phys(tubp->tty_input);
|
| 807 |
|
|
tubp->ttyccw.cmd_code = TC_READMOD;
|
| 808 |
|
|
tubp->ttyccw.count = GEOM_INPLEN;
|
| 809 |
|
|
tubp->ttyccw.flags = CCW_FLAG_SLI;
|
| 810 |
|
|
tty3270_io(tubp);
|
| 811 |
|
|
tubp->flags |= TUB_IACTIVE;
|
| 812 |
|
|
}
|
| 813 |
|
|
|
| 814 |
|
|
static void
|
| 815 |
|
|
tty3270_do_input(tub_t *tubp)
|
| 816 |
|
|
{
|
| 817 |
|
|
int count;
|
| 818 |
|
|
char *in;
|
| 819 |
|
|
int aidflags;
|
| 820 |
|
|
char *aidstring;
|
| 821 |
|
|
|
| 822 |
|
|
count = GEOM_INPLEN - tubp->cswl;
|
| 823 |
|
|
if ((in = tubp->tty_input) == NULL)
|
| 824 |
|
|
goto do_build;
|
| 825 |
|
|
tty3270_aid_get(tubp, in[0], &aidflags, &aidstring);
|
| 826 |
|
|
|
| 827 |
|
|
if (aidflags & TA_CLEARKEY) {
|
| 828 |
|
|
tubp->stat = TBS_RUNNING;
|
| 829 |
|
|
tty3270_scl_resettimer(tubp);
|
| 830 |
|
|
tubp->cmd = TBC_UPDATE;
|
| 831 |
|
|
} else if (aidflags & TA_CLEARLOG) {
|
| 832 |
|
|
tubp->stat = TBS_RUNNING;
|
| 833 |
|
|
tty3270_scl_resettimer(tubp);
|
| 834 |
|
|
tubp->cmd = TBC_CLRUPDLOG;
|
| 835 |
|
|
} else if (aidflags & TA_DOENTER) {
|
| 836 |
|
|
if (count <= 6) {
|
| 837 |
|
|
switch(tubp->stat) {
|
| 838 |
|
|
case TBS_MORE:
|
| 839 |
|
|
tubp->stat = TBS_HOLD;
|
| 840 |
|
|
tty3270_scl_resettimer(tubp);
|
| 841 |
|
|
break;
|
| 842 |
|
|
case TBS_HOLD:
|
| 843 |
|
|
tubp->stat = TBS_MORE;
|
| 844 |
|
|
tty3270_scl_settimer(tubp);
|
| 845 |
|
|
break;
|
| 846 |
|
|
case TBS_RUNNING:
|
| 847 |
|
|
tty3270_do_enter(tubp, in + 6, 0);
|
| 848 |
|
|
break;
|
| 849 |
|
|
}
|
| 850 |
|
|
tubp->cmd = TBC_UPDSTAT;
|
| 851 |
|
|
goto do_build;
|
| 852 |
|
|
}
|
| 853 |
|
|
in += 6;
|
| 854 |
|
|
count -= 6;
|
| 855 |
|
|
TUB_EBCASC(in, count);
|
| 856 |
|
|
tubp->cmd = TBC_CLRINPUT;
|
| 857 |
|
|
tty3270_do_enter(tubp, in, count);
|
| 858 |
|
|
} else if ((aidflags & TA_DOSTRING) != 0 && aidstring != NULL) {
|
| 859 |
|
|
tubp->cmd = TBC_KRUPDLOG;
|
| 860 |
|
|
tty3270_do_enter(tubp, aidstring, strlen(aidstring));
|
| 861 |
|
|
} else if ((aidflags & TA_DOSTRINGD) != 0 && aidstring != NULL) {
|
| 862 |
|
|
tty3270_do_showi(tubp, aidstring, strlen(aidstring));
|
| 863 |
|
|
tubp->cmd = TBC_UPDINPUT;
|
| 864 |
|
|
} else {
|
| 865 |
|
|
if (in[0] != 0x60)
|
| 866 |
|
|
tubp->flags |= TUB_ALARM;
|
| 867 |
|
|
tubp->cmd = TBC_KRUPDLOG;
|
| 868 |
|
|
}
|
| 869 |
|
|
do_build:
|
| 870 |
|
|
tty3270_build(tubp);
|
| 871 |
|
|
}
|
| 872 |
|
|
|
| 873 |
|
|
static void
|
| 874 |
|
|
tty3270_do_enter(tub_t *tubp, char *cp, int count)
|
| 875 |
|
|
{
|
| 876 |
|
|
struct tty_struct *tty;
|
| 877 |
|
|
int func = -1;
|
| 878 |
|
|
|
| 879 |
|
|
if ((tty = tubp->tty) == NULL)
|
| 880 |
|
|
return;
|
| 881 |
|
|
if (count < 0)
|
| 882 |
|
|
return;
|
| 883 |
|
|
if (count == 2 && (cp[0] == '^' || cp[0] == '\252')) {
|
| 884 |
|
|
switch(cp[1]) {
|
| 885 |
|
|
case 'c': case 'C':
|
| 886 |
|
|
func = INTR_CHAR(tty);
|
| 887 |
|
|
break;
|
| 888 |
|
|
case 'd': case 'D':
|
| 889 |
|
|
func = EOF_CHAR(tty);
|
| 890 |
|
|
break;
|
| 891 |
|
|
case 'z': case 'Z':
|
| 892 |
|
|
func = SUSP_CHAR(tty);
|
| 893 |
|
|
break;
|
| 894 |
|
|
}
|
| 895 |
|
|
} else if (count == 2 && cp[0] == 0x1b) { /* if ESC */
|
| 896 |
|
|
int inc = 0;
|
| 897 |
|
|
char buf[GEOM_INPLEN + 1];
|
| 898 |
|
|
int len;
|
| 899 |
|
|
|
| 900 |
|
|
switch(cp[1]) {
|
| 901 |
|
|
case 'k': case 'K':
|
| 902 |
|
|
inc = -1;
|
| 903 |
|
|
break;
|
| 904 |
|
|
case 'j': case 'J':
|
| 905 |
|
|
inc = 1;
|
| 906 |
|
|
break;
|
| 907 |
|
|
}
|
| 908 |
|
|
if (inc == 0)
|
| 909 |
|
|
goto not_rcl;
|
| 910 |
|
|
len = tty3270_rcl_get(tubp, buf, sizeof buf, inc);
|
| 911 |
|
|
if (len == 0) {
|
| 912 |
|
|
tubp->flags |= TUB_ALARM;
|
| 913 |
|
|
return;
|
| 914 |
|
|
}
|
| 915 |
|
|
tty3270_do_showi(tubp, buf, len);
|
| 916 |
|
|
tubp->cmd = TBC_UPDINPUT;
|
| 917 |
|
|
return;
|
| 918 |
|
|
}
|
| 919 |
|
|
not_rcl:
|
| 920 |
|
|
if (func != -1) {
|
| 921 |
|
|
*tty->flip.flag_buf_ptr++ = TTY_NORMAL;
|
| 922 |
|
|
*tty->flip.char_buf_ptr++ = func;
|
| 923 |
|
|
tty->flip.count++;
|
| 924 |
|
|
} else {
|
| 925 |
|
|
tty3270_rcl_put(tubp, cp, count);
|
| 926 |
|
|
memcpy(tty->flip.char_buf_ptr, cp, count);
|
| 927 |
|
|
/* Add newline unless line ends with "^n" */
|
| 928 |
|
|
if (count < 2 || cp[count - 1] != 'n' ||
|
| 929 |
|
|
(cp[count - 2] != '^' && cp[count - 2] != '\252')) {
|
| 930 |
|
|
tty->flip.char_buf_ptr[count] = '\n';
|
| 931 |
|
|
count++;
|
| 932 |
|
|
} else {
|
| 933 |
|
|
count -= 2; /* Lop trailing "^n" from text */
|
| 934 |
|
|
}
|
| 935 |
|
|
memset(tty->flip.flag_buf_ptr, TTY_NORMAL, count);
|
| 936 |
|
|
tty->flip.char_buf_ptr += count;
|
| 937 |
|
|
tty->flip.flag_buf_ptr += count;
|
| 938 |
|
|
tty->flip.count += count;
|
| 939 |
|
|
}
|
| 940 |
|
|
tty_flip_buffer_push(tty);
|
| 941 |
|
|
}
|
| 942 |
|
|
|
| 943 |
|
|
static void
|
| 944 |
|
|
tty3270_do_showi(tub_t *tubp, char *cp, int cl)
|
| 945 |
|
|
{
|
| 946 |
|
|
if (cl > GEOM_INPLEN)
|
| 947 |
|
|
cl = GEOM_INPLEN;
|
| 948 |
|
|
memset(tubp->tty_input, 0, GEOM_INPLEN);
|
| 949 |
|
|
memcpy(tubp->tty_input, cp, cl);
|
| 950 |
|
|
TUB_ASCEBC(tubp->tty_input, cl);
|
| 951 |
|
|
}
|
| 952 |
|
|
|
| 953 |
|
|
|
| 954 |
|
|
|
| 955 |
|
|
/* Debugging routine */
|
| 956 |
|
|
static int
|
| 957 |
|
|
tty3270_show_tube(int minor, char *buf, int count)
|
| 958 |
|
|
{
|
| 959 |
|
|
tub_t *tubp;
|
| 960 |
|
|
struct tty_struct *tty;
|
| 961 |
|
|
struct termios *mp;
|
| 962 |
|
|
int len;
|
| 963 |
|
|
|
| 964 |
|
|
/*012345678901234567890123456789012345678901234567890123456789 */
|
| 965 |
|
|
/*Info for tub_t[dd] at xxxxxxxx: */
|
| 966 |
|
|
/* geom: rows=dd cols=dd model=d */
|
| 967 |
|
|
/* lnopen=dd fsopen=dd waitq=xxxxxxxx */
|
| 968 |
|
|
/* dstat=xx mode=dd stat=dd flags=xxxx */
|
| 969 |
|
|
/* oucount=dddd ourd=ddddd ouwr=ddddd nextlogx=ddddd */
|
| 970 |
|
|
/* tty=xxxxxxxx */
|
| 971 |
|
|
/* write_wait=xxxxxxxx read_wait=xxxxxxxx */
|
| 972 |
|
|
/* iflag=xxxxxxxx oflag=xxxxxxxx cflag=xxxxxxxx lflag=xxxxxxxx */
|
| 973 |
|
|
|
| 974 |
|
|
if (minor < 0 || minor > tubnummins ||
|
| 975 |
|
|
(tubp = (*tubminors)[minor]) == NULL)
|
| 976 |
|
|
return sprintf(buf, "No tube at index=%d\n", minor);
|
| 977 |
|
|
|
| 978 |
|
|
tty = tubp->tty;
|
| 979 |
|
|
len = 0;
|
| 980 |
|
|
|
| 981 |
|
|
len += sprintf(buf+len, "Info for tub_t[%d] at %p:\n", minor, tubp);
|
| 982 |
|
|
|
| 983 |
|
|
len += sprintf(buf+len, "inattr is at %p\n", &tubp->tty_inattr);
|
| 984 |
|
|
|
| 985 |
|
|
|
| 986 |
|
|
len += sprintf(buf+len, " geom: rows=%.2d cols=%.2d model=%.1d\n",
|
| 987 |
|
|
tubp->geom_rows, tubp->geom_cols, tubp->tubiocb.model);
|
| 988 |
|
|
|
| 989 |
|
|
len += sprintf(buf+len,
|
| 990 |
|
|
" lnopen=%-2d fsopen=%-2d waitq=%p\n",
|
| 991 |
|
|
tubp->lnopen, tubp->fsopen, &tubp->waitq);
|
| 992 |
|
|
|
| 993 |
|
|
len += sprintf(buf+len, " dstat=%.2x mode=%-2d "
|
| 994 |
|
|
"stat=%-2d flags=%-4x\n", tubp->dstat,
|
| 995 |
|
|
tubp->mode, tubp->stat, tubp->flags);
|
| 996 |
|
|
|
| 997 |
|
|
#ifdef RBH_FIXTHIS
|
| 998 |
|
|
len += sprintf(buf+len,
|
| 999 |
|
|
" oucount=%-4d ourd=%-5d ouwr=%-5d"
|
| 1000 |
|
|
" nextlogx=%-5d\n", tubp->tty_oucount,
|
| 1001 |
|
|
tubp->tty_ourd, tubp->tty_ouwr, tubp->tty_nextlogx);
|
| 1002 |
|
|
#endif
|
| 1003 |
|
|
|
| 1004 |
|
|
len += sprintf(buf+len, " tty=%p\n",tubp->tty);
|
| 1005 |
|
|
|
| 1006 |
|
|
if (tty)
|
| 1007 |
|
|
len += sprintf(buf+len,
|
| 1008 |
|
|
" write_wait=%p read_wait=%p\n",
|
| 1009 |
|
|
&tty->write_wait, &tty->read_wait);
|
| 1010 |
|
|
|
| 1011 |
|
|
if (tty && ((mp = tty->termios)))
|
| 1012 |
|
|
len += sprintf(buf+len," iflag=%.8x oflag=%.8x "
|
| 1013 |
|
|
"cflag=%.8x lflag=%.8x\n", mp->c_iflag,
|
| 1014 |
|
|
mp->c_oflag, mp->c_cflag, mp->c_lflag);
|
| 1015 |
|
|
|
| 1016 |
|
|
|
| 1017 |
|
|
return len;
|
| 1018 |
|
|
}
|
