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Searched refs:sysrq (Results 1 – 25 of 65) sorted by relevance

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/Linux-v4.19/drivers/tty/
Dsysrq.c748 struct sysrq_state *sysrq = in sysrq_reinject_alt_sysrq() local
750 struct input_handle *handle = &sysrq->handle; in sysrq_reinject_alt_sysrq()
751 unsigned int alt_code = sysrq->alt_use; in sysrq_reinject_alt_sysrq()
753 if (sysrq->need_reinject) { in sysrq_reinject_alt_sysrq()
755 sysrq->reinjecting = true; in sysrq_reinject_alt_sysrq()
768 sysrq->reinjecting = false; in sysrq_reinject_alt_sysrq()
772 static bool sysrq_handle_keypress(struct sysrq_state *sysrq, in sysrq_handle_keypress() argument
775 bool was_active = sysrq->active; in sysrq_handle_keypress()
784 if (sysrq->active && code == sysrq->alt_use) in sysrq_handle_keypress()
785 sysrq->active = false; in sysrq_handle_keypress()
[all …]
DMakefile9 obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
/Linux-v4.19/Documentation/devicetree/bindings/input/
Dinput-reset.txt1 Input: sysrq reset sequence
5 sysrq driver. Upon holding the keys for a specified amount of time (if
11 The /chosen node should contain a 'linux,sysrq-reset-seq' child node to define
15 sysrq-reset-seq: array of Linux keycodes, one keycode per cell.
19 generating a sysrq. If omitted the system is rebooted immediately when a valid
25 linux,sysrq-reset-seq {
/Linux-v4.19/Documentation/admin-guide/
Dsysrq.rst4 Documentation for sysrq.c
17 /proc/sys/kernel/sysrq controls the functions allowed to be invoked via
20 to 1. Here is the list of possible values in /proc/sys/kernel/sysrq:
22 - 0 - disable sysrq completely
23 - 1 - enable all functions of sysrq
24 - >1 - bitmask of allowed sysrq functions (see below for detailed function
38 echo "number" >/proc/sys/kernel/sysrq
44 Note that the value of ``/proc/sys/kernel/sysrq`` influences only the invocation
45 via a keyboard. Invocation of any operation via ``/proc/sysrq-trigger`` is
76 write a character to /proc/sysrq-trigger. e.g.::
[all …]
Dindex.rst66 sysrq
/Linux-v4.19/tools/testing/selftests/pstore/
Dpstore_crash_test16 echo 1 > /proc/sys/kernel/sysrq
30 echo c > /proc/sysrq-trigger
/Linux-v4.19/include/linux/
Dserial_core.h175 unsigned long sysrq; /* sysrq timeout */ member
475 if (port->sysrq) { in uart_handle_sysrq_char()
476 if (ch && time_before(jiffies, port->sysrq)) { in uart_handle_sysrq_char()
478 port->sysrq = 0; in uart_handle_sysrq_char()
481 port->sysrq = 0; in uart_handle_sysrq_char()
501 if (!port->sysrq) { in uart_handle_break()
502 port->sysrq = jiffies + HZ*5; in uart_handle_break()
505 port->sysrq = 0; in uart_handle_break()
/Linux-v4.19/drivers/s390/char/
Dctrlchar.c23 struct sysrq_work *sysrq = container_of(work, struct sysrq_work, work); in ctrlchar_handle_sysrq() local
25 handle_sysrq(sysrq->key); in ctrlchar_handle_sysrq()
Dkeyboard.c331 if (kbd->sysrq) { in kbd_keycode()
332 if (kbd->sysrq == K(KT_LATIN, '-')) { in kbd_keycode()
333 kbd->sysrq = 0; in kbd_keycode()
338 kbd->sysrq = K(KT_LATIN, '-'); in kbd_keycode()
342 (*k_handler[KTYP(kbd->sysrq)])(kbd, KVAL(kbd->sysrq)); in kbd_keycode()
343 kbd->sysrq = 0; in kbd_keycode()
346 kbd->sysrq = K(type, value); in kbd_keycode()
Dkeyboard.h42 unsigned short sysrq; member
Dsclp_vt220.c484 static struct sysrq_work sysrq; variable
506 sysrq.key = buffer[i]; in sclp_vt220_handle_input()
507 schedule_sysrq_work(&sysrq); in sclp_vt220_handle_input()
/Linux-v4.19/drivers/usb/serial/
Dgeneric.c362 if (!port->port.console || !port->sysrq) { in usb_serial_generic_process_read_urb()
571 if (port->sysrq && port->port.console) { in usb_serial_handle_sysrq_char()
572 if (ch && time_before(jiffies, port->sysrq)) { in usb_serial_handle_sysrq_char()
574 port->sysrq = 0; in usb_serial_handle_sysrq_char()
577 port->sysrq = 0; in usb_serial_handle_sysrq_char()
591 if (!port->sysrq) { in usb_serial_handle_break()
592 port->sysrq = jiffies + HZ*5; in usb_serial_handle_break()
595 port->sysrq = 0; in usb_serial_handle_break()
Dssu100.c540 if (port->port.console && port->sysrq) { in ssu100_process_read_urb()
/Linux-v4.19/drivers/tty/serial/
Dsunhv.c155 if (port->sysrq != 0 && *con_read_page) { in receive_chars_read()
445 if (port->sysrq || oops_in_progress) in sunhv_console_write_paged()
500 if (port->sysrq || oops_in_progress) in sunhv_console_write_bychar()
Dmsm_serial.c538 int count = 0, i, sysrq; in msm_complete_rx_dma() local
581 sysrq = uart_handle_sysrq_char(port, dma->virt[i]); in msm_complete_rx_dma()
583 if (!sysrq) in msm_complete_rx_dma()
710 int sysrq, r_count, i; in msm_handle_rx_dm() local
736 sysrq = uart_handle_sysrq_char(port, buf[i]); in msm_handle_rx_dm()
738 if (!sysrq) in msm_handle_rx_dm()
776 int sysrq; in msm_handle_rx() local
799 sysrq = uart_handle_sysrq_char(port, c); in msm_handle_rx()
801 if (!sysrq) in msm_handle_rx()
Dqcom_geni_serial.c489 int sysrq; in handle_rx_console() local
498 sysrq = uart_handle_sysrq_char(uport, buf[c]); in handle_rx_console()
499 if (!sysrq) in handle_rx_console()
/Linux-v4.19/Documentation/
DSAK.txt17 sysrq support.
20 ``loadkeys``. This will work whether or not sysrq support is compiled
/Linux-v4.19/arch/um/kernel/
DMakefile20 signal.o syscall.o sysrq.o time.o tlb.o trap.o \
/Linux-v4.19/arch/um/
DKconfig142 On UML, this is accomplished by sending a "sysrq" command with
145 The keys are documented in <file:Documentation/admin-guide/sysrq.rst>. Don't say Y
/Linux-v4.19/drivers/tty/hvc/
Dhvsi.c80 uint8_t sysrq; member
329 hp->sysrq = 1; in hvsi_insert_chars()
331 } else if (hp->sysrq) { in hvsi_insert_chars()
333 hp->sysrq = 0; in hvsi_insert_chars()
/Linux-v4.19/arch/mips/kernel/
DMakefile82 obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
/Linux-v4.19/include/linux/usb/
Dserial.h120 unsigned long sysrq; /* sysrq timeout */ member
/Linux-v4.19/Documentation/x86/
Dexception-tables.txt58 the get_user call in drivers/char/sysrq.c for a detailed examination.
60 The original code in sysrq.c line 587:
/Linux-v4.19/include/linux/mfd/
Dcros_ec_commands.h2101 uint32_t sysrq; member
2109 uint32_t sysrq; member
/Linux-v4.19/drivers/input/keyboard/
Dcros_ec_keyb.c258 val = get_unaligned_le32(&ckdev->ec->event_data.data.sysrq); in cros_ec_keyb_work()

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