| /linux-6.6.21/include/linux/ |
| D | tty.h | 35 #define INTR_CHAR(tty) ((tty)->termios.c_cc[VINTR]) argument
36 #define QUIT_CHAR(tty) ((tty)->termios.c_cc[VQUIT]) argument
37 #define ERASE_CHAR(tty) ((tty)->termios.c_cc[VERASE]) argument
38 #define KILL_CHAR(tty) ((tty)->termios.c_cc[VKILL]) argument
39 #define EOF_CHAR(tty) ((tty)->termios.c_cc[VEOF]) argument
40 #define TIME_CHAR(tty) ((tty)->termios.c_cc[VTIME]) argument
41 #define MIN_CHAR(tty) ((tty)->termios.c_cc[VMIN]) argument
42 #define SWTC_CHAR(tty) ((tty)->termios.c_cc[VSWTC]) argument
43 #define START_CHAR(tty) ((tty)->termios.c_cc[VSTART]) argument
44 #define STOP_CHAR(tty) ((tty)->termios.c_cc[VSTOP]) argument
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| D | tty_driver.h | 353 int (*install)(struct tty_driver *driver, struct tty_struct *tty);
354 void (*remove)(struct tty_driver *driver, struct tty_struct *tty);
355 int (*open)(struct tty_struct * tty, struct file * filp);
356 void (*close)(struct tty_struct * tty, struct file * filp);
357 void (*shutdown)(struct tty_struct *tty);
358 void (*cleanup)(struct tty_struct *tty);
359 ssize_t (*write)(struct tty_struct *tty, const u8 *buf, size_t count);
360 int (*put_char)(struct tty_struct *tty, u8 ch);
361 void (*flush_chars)(struct tty_struct *tty);
362 unsigned int (*write_room)(struct tty_struct *tty);
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| D | tty_ldisc.h | 238 int (*open)(struct tty_struct *tty);
239 void (*close)(struct tty_struct *tty);
240 void (*flush_buffer)(struct tty_struct *tty);
241 ssize_t (*read)(struct tty_struct *tty, struct file *file, u8 *buf,
243 ssize_t (*write)(struct tty_struct *tty, struct file *file,
245 int (*ioctl)(struct tty_struct *tty, unsigned int cmd,
247 int (*compat_ioctl)(struct tty_struct *tty, unsigned int cmd,
249 void (*set_termios)(struct tty_struct *tty, const struct ktermios *old);
250 __poll_t (*poll)(struct tty_struct *tty, struct file *file,
252 void (*hangup)(struct tty_struct *tty);
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| /linux-6.6.21/drivers/tty/ |
| D | tty_ldisc.c | 27 #define tty_ldisc_debug(tty, f, args...) tty_debug(tty, f, ##args) argument
29 #define tty_ldisc_debug(tty, f, args...) argument
139 static struct tty_ldisc *tty_ldisc_get(struct tty_struct *tty, int disc) in tty_ldisc_get() argument
167 ld->tty = tty; in tty_ldisc_get()
239 struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *tty) in tty_ldisc_ref_wait() argument
243 ldsem_down_read(&tty->ldisc_sem, MAX_SCHEDULE_TIMEOUT); in tty_ldisc_ref_wait()
244 ld = tty->ldisc; in tty_ldisc_ref_wait()
246 ldsem_up_read(&tty->ldisc_sem); in tty_ldisc_ref_wait()
259 struct tty_ldisc *tty_ldisc_ref(struct tty_struct *tty) in tty_ldisc_ref() argument
263 if (ldsem_down_read_trylock(&tty->ldisc_sem)) { in tty_ldisc_ref()
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| D | n_tty.c | 161 static void zero_buffer(const struct tty_struct *tty, u8 *buffer, size_t size) in zero_buffer() argument
163 if (L_ICANON(tty) && !L_ECHO(tty)) in zero_buffer()
167 static void tty_copy(const struct tty_struct *tty, void *to, size_t tail, in tty_copy() argument
170 struct n_tty_data *ldata = tty->disc_data; in tty_copy()
175 tty_audit_add_data(tty, from, size); in tty_copy()
177 zero_buffer(tty, from, size); in tty_copy()
183 tty_audit_add_data(tty, from, n); in tty_copy()
185 zero_buffer(tty, from, n); in tty_copy()
199 static void n_tty_kick_worker(const struct tty_struct *tty) in n_tty_kick_worker() argument
201 struct n_tty_data *ldata = tty->disc_data; in n_tty_kick_worker()
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| D | tty_io.c | 116 # define tty_debug_hangup(tty, f, args...) tty_debug(tty, f, ##args) argument
118 # define tty_debug_hangup(tty, f, args...) do { } while (0) argument
159 static void release_tty(struct tty_struct *tty, int idx);
169 static void free_tty_struct(struct tty_struct *tty) in free_tty_struct() argument
171 tty_ldisc_deinit(tty); in free_tty_struct()
172 put_device(tty->dev); in free_tty_struct()
173 kvfree(tty->write_buf); in free_tty_struct()
174 kfree(tty); in free_tty_struct()
179 return ((struct tty_file_private *)file->private_data)->tty; in file_tty()
196 void tty_add_file(struct tty_struct *tty, struct file *file) in tty_add_file() argument
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| D | tty_ioctl.c | 51 unsigned int tty_chars_in_buffer(struct tty_struct *tty) in tty_chars_in_buffer() argument
53 if (tty->ops->chars_in_buffer) in tty_chars_in_buffer()
54 return tty->ops->chars_in_buffer(tty); in tty_chars_in_buffer()
70 unsigned int tty_write_room(struct tty_struct *tty) in tty_write_room() argument
72 if (tty->ops->write_room) in tty_write_room()
73 return tty->ops->write_room(tty); in tty_write_room()
86 void tty_driver_flush_buffer(struct tty_struct *tty) in tty_driver_flush_buffer() argument
88 if (tty->ops->flush_buffer) in tty_driver_flush_buffer()
89 tty->ops->flush_buffer(tty); in tty_driver_flush_buffer()
106 void tty_unthrottle(struct tty_struct *tty) in tty_unthrottle() argument
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| D | pty.c | 36 # define tty_debug_hangup(tty, f, args...) tty_debug(tty, f, ##args) argument
38 # define tty_debug_hangup(tty, f, args...) do {} while (0) argument
47 static void pty_close(struct tty_struct *tty, struct file *filp) in pty_close() argument
49 if (tty->driver->subtype == PTY_TYPE_MASTER) in pty_close()
50 WARN_ON(tty->count > 1); in pty_close()
52 if (tty_io_error(tty)) in pty_close()
54 if (tty->count > 2) in pty_close()
57 set_bit(TTY_IO_ERROR, &tty->flags); in pty_close()
58 wake_up_interruptible(&tty->read_wait); in pty_close()
59 wake_up_interruptible(&tty->write_wait); in pty_close()
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| D | tty_jobctrl.c | 33 int __tty_check_change(struct tty_struct *tty, int sig) in __tty_check_change() argument
39 if (current->signal->tty != tty) in __tty_check_change()
45 spin_lock_irqsave(&tty->ctrl.lock, flags); in __tty_check_change()
46 tty_pgrp = tty->ctrl.pgrp; in __tty_check_change()
47 spin_unlock_irqrestore(&tty->ctrl.lock, flags); in __tty_check_change()
64 tty_warn(tty, "sig=%d, tty->pgrp == NULL!\n", sig); in __tty_check_change()
69 int tty_check_change(struct tty_struct *tty) in tty_check_change() argument
71 return __tty_check_change(tty, SIGTTOU); in tty_check_change()
78 struct tty_struct *tty; in proc_clear_tty() local
81 tty = p->signal->tty; in proc_clear_tty()
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| D | tty.h | 9 #define tty_msg(fn, tty, f, ...) \ argument
10 fn("%s %s: " f, tty_driver_name(tty), tty_name(tty), ##__VA_ARGS__)
12 #define tty_debug(tty, f, ...) tty_msg(pr_debug, tty, f, ##__VA_ARGS__) argument
13 #define tty_notice(tty, f, ...) tty_msg(pr_notice, tty, f, ##__VA_ARGS__) argument
14 #define tty_warn(tty, f, ...) tty_msg(pr_warn, tty, f, ##__VA_ARGS__) argument
15 #define tty_err(tty, f, ...) tty_msg(pr_err, tty, f, ##__VA_ARGS__) argument
17 #define tty_info_ratelimited(tty, f, ...) \ argument
18 tty_msg(pr_info_ratelimited, tty, f, ##__VA_ARGS__)
47 static inline void __tty_set_flow_change(struct tty_struct *tty, int val) in __tty_set_flow_change() argument
49 tty->flow_change = val; in __tty_set_flow_change()
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| D | tty_mutex.c | 15 void tty_lock(struct tty_struct *tty) in tty_lock() argument
17 tty_kref_get(tty); in tty_lock()
18 mutex_lock(&tty->legacy_mutex); in tty_lock()
22 int tty_lock_interruptible(struct tty_struct *tty) in tty_lock_interruptible() argument
26 tty_kref_get(tty); in tty_lock_interruptible()
27 ret = mutex_lock_interruptible(&tty->legacy_mutex); in tty_lock_interruptible()
29 tty_kref_put(tty); in tty_lock_interruptible()
33 void tty_unlock(struct tty_struct *tty) in tty_unlock() argument
35 mutex_unlock(&tty->legacy_mutex); in tty_unlock()
36 tty_kref_put(tty); in tty_unlock()
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| D | tty_port.c | 26 struct tty_struct *tty; in tty_port_default_receive_buf() local
29 tty = READ_ONCE(port->itty); in tty_port_default_receive_buf()
30 if (!tty) in tty_port_default_receive_buf()
33 ld = tty_ldisc_ref(tty); in tty_port_default_receive_buf()
47 struct tty_struct *tty; in tty_port_default_lookahead_buf() local
50 tty = READ_ONCE(port->itty); in tty_port_default_lookahead_buf()
51 if (!tty) in tty_port_default_lookahead_buf()
54 ld = tty_ldisc_ref(tty); in tty_port_default_lookahead_buf()
59 ld->ops->lookahead_buf(ld->tty, p, f, count); in tty_port_default_lookahead_buf()
66 struct tty_struct *tty = tty_port_tty_get(port); in tty_port_default_wakeup() local
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| D | amiserial.c | 96 static void change_speed(struct tty_struct *tty, struct serial_state *info,
98 static void rs_wait_until_sent(struct tty_struct *tty, int timeout);
133 static void rs_stop(struct tty_struct *tty) in rs_stop() argument
135 struct serial_state *info = tty->driver_data; in rs_stop()
150 static void rs_start(struct tty_struct *tty) in rs_start() argument
152 struct serial_state *info = tty->driver_data; in rs_start()
243 do_SAK(info->tport.tty); in receive_chars()
277 || info->tport.tty->flow.stopped in transmit_chars()
278 || info->tport.tty->hw_stopped) { in transmit_chars()
293 tty_wakeup(info->tport.tty); in transmit_chars()
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| D | n_hdlc.c | 159 static void flush_rx_queue(struct tty_struct *tty) in flush_rx_queue() argument
161 struct n_hdlc *n_hdlc = tty->disc_data; in flush_rx_queue()
168 static void flush_tx_queue(struct tty_struct *tty) in flush_tx_queue() argument
170 struct n_hdlc *n_hdlc = tty->disc_data; in flush_tx_queue()
194 static void n_hdlc_tty_close(struct tty_struct *tty) in n_hdlc_tty_close() argument
196 struct n_hdlc *n_hdlc = tty->disc_data; in n_hdlc_tty_close()
199 clear_bit(TTY_NO_WRITE_SPLIT, &tty->flags); in n_hdlc_tty_close()
201 tty->disc_data = NULL; in n_hdlc_tty_close()
204 wake_up_interruptible(&tty->read_wait); in n_hdlc_tty_close()
205 wake_up_interruptible(&tty->write_wait); in n_hdlc_tty_close()
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| D | vcc.c | 27 struct tty_struct *tty; /* only populated while dev is open */ member
277 static int vcc_rx_check(struct tty_struct *tty, int size) in vcc_rx_check() argument
279 if (WARN_ON(!tty || !tty->port)) in vcc_rx_check()
285 if (test_bit(TTY_THROTTLED, &tty->flags) || in vcc_rx_check()
286 (tty_buffer_request_room(tty->port, VCC_BUFF_LEN) < VCC_BUFF_LEN)) in vcc_rx_check()
292 static int vcc_rx(struct tty_struct *tty, char *buf, int size) in vcc_rx() argument
296 if (WARN_ON(!tty || !tty->port)) in vcc_rx()
299 len = tty_insert_flip_string(tty->port, buf, size); in vcc_rx()
301 tty_flip_buffer_push(tty->port); in vcc_rx()
309 struct tty_struct *tty; in vcc_ldc_read() local
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| /linux-6.6.21/drivers/tty/ipwireless/ |
| D | tty.c | 90 struct ipw_tty *tty = get_tty(linux_tty->index); in ipw_open() local
92 if (!tty) in ipw_open()
95 mutex_lock(&tty->ipw_tty_mutex); in ipw_open()
96 if (tty->port.count == 0) in ipw_open()
97 tty->tx_bytes_queued = 0; in ipw_open()
99 tty->port.count++; in ipw_open()
101 tty->port.tty = linux_tty; in ipw_open()
102 linux_tty->driver_data = tty; in ipw_open()
104 if (tty->tty_type == TTYTYPE_MODEM) in ipw_open()
105 ipwireless_ppp_open(tty->network); in ipw_open()
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| /linux-6.6.21/drivers/tty/serdev/ |
| D | serdev-ttyport.c | 15 struct tty_struct *tty; member
52 struct tty_struct *tty; in ttyport_write_wakeup() local
54 tty = tty_port_tty_get(port); in ttyport_write_wakeup()
55 if (!tty) in ttyport_write_wakeup()
58 if (test_and_clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags) && in ttyport_write_wakeup()
63 wake_up_interruptible(&tty->write_wait); in ttyport_write_wakeup()
65 tty_kref_put(tty); in ttyport_write_wakeup()
80 struct tty_struct *tty = serport->tty; in ttyport_write_buf() local
85 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in ttyport_write_buf()
86 return tty->ops->write(serport->tty, data, len); in ttyport_write_buf()
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| /linux-6.6.21/drivers/accessibility/speakup/ |
| D | spk_ttyio.c | 47 static int spk_ttyio_ldisc_open(struct tty_struct *tty) in spk_ttyio_ldisc_open() argument
51 if (tty != speakup_tty) in spk_ttyio_ldisc_open()
55 if (!tty->ops->write) in spk_ttyio_ldisc_open()
64 tty->disc_data = ldisc_data; in spk_ttyio_ldisc_open()
69 static void spk_ttyio_ldisc_close(struct tty_struct *tty) in spk_ttyio_ldisc_close() argument
71 kfree(tty->disc_data); in spk_ttyio_ldisc_close()
74 static size_t spk_ttyio_receive_buf2(struct tty_struct *tty, const u8 *cp, in spk_ttyio_receive_buf2() argument
77 struct spk_ldisc_data *ldisc_data = tty->disc_data; in spk_ttyio_receive_buf2()
135 static inline void get_termios(struct tty_struct *tty, in get_termios() argument
138 down_read(&tty->termios_rwsem); in get_termios()
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| D | selection.c | 22 struct tty_struct *tty; member
30 struct tty_struct *tty; in __speakup_set_selection() local
39 tty = xchg(&ssw->tty, NULL); in __speakup_set_selection()
51 set_selection_kernel(&sel, tty); in __speakup_set_selection()
54 tty_kref_put(tty); in __speakup_set_selection()
62 int speakup_set_selection(struct tty_struct *tty) in speakup_set_selection() argument
70 tty_kref_get(tty); in speakup_set_selection()
71 if (cmpxchg(&speakup_sel_work.tty, NULL, tty)) { in speakup_set_selection()
72 tty_kref_put(tty); in speakup_set_selection()
94 struct tty_struct *tty; in speakup_cancel_selection() local
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| /linux-6.6.21/net/nfc/nci/ |
| D | uart.c | 74 struct tty_struct *tty = nu->tty; in nci_uart_write_work() local
86 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in nci_uart_write_work()
87 len = tty->ops->write(tty, skb->data, skb->len); in nci_uart_write_work()
105 static int nci_uart_set_driver(struct tty_struct *tty, unsigned int driver) in nci_uart_set_driver() argument
121 nu->tty = tty; in nci_uart_set_driver()
122 tty->disc_data = nu; in nci_uart_set_driver()
129 tty->disc_data = NULL; in nci_uart_set_driver()
133 tty->disc_data = NULL; in nci_uart_set_driver()
151 static int nci_uart_tty_open(struct tty_struct *tty) in nci_uart_tty_open() argument
156 if (!tty->ops->write) in nci_uart_tty_open()
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| /linux-6.6.21/drivers/usb/serial/ |
| D | upd78f0730.c | 183 static int upd78f0730_tiocmget(struct tty_struct *tty) in upd78f0730_tiocmget() argument
186 struct usb_serial_port *port = tty->driver_data; in upd78f0730_tiocmget()
204 static int upd78f0730_tiocmset(struct tty_struct *tty, in upd78f0730_tiocmset() argument
207 struct usb_serial_port *port = tty->driver_data; in upd78f0730_tiocmset()
241 static int upd78f0730_break_ctl(struct tty_struct *tty, int break_state) in upd78f0730_break_ctl() argument
244 struct usb_serial_port *port = tty->driver_data; in upd78f0730_break_ctl()
270 struct tty_struct *tty = port->port.tty; in upd78f0730_dtr_rts() local
279 upd78f0730_tiocmset(tty, set, clear); in upd78f0730_dtr_rts()
282 static speed_t upd78f0730_get_baud_rate(struct tty_struct *tty) in upd78f0730_get_baud_rate() argument
284 const speed_t baud_rate = tty_get_baud_rate(tty); in upd78f0730_get_baud_rate()
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| /linux-6.6.21/drivers/bluetooth/ |
| D | hci_ldisc.c | 148 struct tty_struct *tty = hu->tty; in hci_uart_write_work() local
162 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in hci_uart_write_work()
163 len = tty->ops->write(tty, skb->data, skb->len); in hci_uart_write_work()
228 struct tty_struct *tty = hu->tty; in hci_uart_flush() local
230 BT_DBG("hdev %p tty %p", hdev, tty); in hci_uart_flush()
237 tty_ldisc_flush(tty); in hci_uart_flush()
238 tty_driver_flush_buffer(tty); in hci_uart_flush()
301 if (hu->tty->driver->ops->tiocmget && hu->tty->driver->ops->tiocmset) in hci_uart_has_flow_control()
310 struct tty_struct *tty = hu->tty; in hci_uart_set_flow_control() local
324 ktermios = tty->termios; in hci_uart_set_flow_control()
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| /linux-6.6.21/drivers/input/serio/ |
| D | serport.c | 32 struct tty_struct *tty; member
47 return -(serport->tty->ops->write(serport->tty, &data, 1) != 1); in serport_serio_write()
78 static int serport_ldisc_open(struct tty_struct *tty) in serport_ldisc_open() argument
89 serport->tty = tty; in serport_ldisc_open()
93 tty->disc_data = serport; in serport_ldisc_open()
94 tty->receive_room = 256; in serport_ldisc_open()
95 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in serport_ldisc_open()
104 static void serport_ldisc_close(struct tty_struct *tty) in serport_ldisc_close() argument
106 struct serport *serport = tty->disc_data; in serport_ldisc_close()
117 static void serport_ldisc_receive(struct tty_struct *tty, const u8 *cp, in serport_ldisc_receive() argument
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| /linux-6.6.21/tools/testing/selftests/tty/ |
| D | tty_tstamp_update.c | 16 static bool tty_valid(char *tty) in tty_valid() argument
18 if (strlen(tty) < MIN_TTY_PATH_LEN) in tty_valid()
21 if (strncmp(tty, "/dev/tty", MIN_TTY_PATH_LEN) == 0 || in tty_valid()
22 strncmp(tty, "/dev/pts", MIN_TTY_PATH_LEN) == 0) in tty_valid()
48 char tty[PATH_MAX] = {}; in main() local
54 r = readlink("/proc/self/fd/0", tty, PATH_MAX); in main()
58 if (!tty_valid(tty)) in main()
59 ksft_exit_skip("invalid tty path '%s'\n", tty); in main()
61 r = stat(tty, &st1); in main()
63 ksft_exit_fail_msg("stat failed on tty path '%s': %m\n", tty); in main()
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| /linux-6.6.21/sound/soc/codecs/ |
| D | cx20442.c | 25 struct tty_struct *tty; member
164 if (!cx20442->tty || !cx20442->tty->ops->write) in cx20442_write()
193 if (cx20442->tty->ops->write(cx20442->tty, buf, len) != len) in cx20442_write()
212 static int v253_open(struct tty_struct *tty) in v253_open() argument
217 if (!tty->ops->write) in v253_open()
221 if (!tty->disc_data) in v253_open()
224 tty->receive_room = 16; in v253_open()
225 if (tty->ops->write(tty, v253_init, len) != len) { in v253_open()
232 tty->disc_data = NULL; in v253_open()
237 static void v253_close(struct tty_struct *tty) in v253_close() argument
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