| /linux-4.4.14/drivers/tty/ |
| D | sysrq.c | 733 struct sysrq_state *sysrq = in sysrq_reinject_alt_sysrq() local
735 struct input_handle *handle = &sysrq->handle; in sysrq_reinject_alt_sysrq()
736 unsigned int alt_code = sysrq->alt_use; in sysrq_reinject_alt_sysrq()
738 if (sysrq->need_reinject) { in sysrq_reinject_alt_sysrq()
740 sysrq->reinjecting = true; in sysrq_reinject_alt_sysrq()
753 sysrq->reinjecting = false; in sysrq_reinject_alt_sysrq()
757 static bool sysrq_handle_keypress(struct sysrq_state *sysrq, in sysrq_handle_keypress() argument
760 bool was_active = sysrq->active; in sysrq_handle_keypress()
769 if (sysrq->active && code == sysrq->alt_use) in sysrq_handle_keypress()
770 sysrq->active = false; in sysrq_handle_keypress()
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| D | Makefile | 6 obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
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| /linux-4.4.14/Documentation/devicetree/bindings/input/ |
| D | input-reset.txt | 1 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 {
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| /linux-4.4.14/Documentation/ |
| D | sysrq.txt | 2 Documentation for sysrq.c
13 /proc/sys/kernel/sysrq controls the functions allowed to be invoked via
16 to 1. Here is the list of possible values in /proc/sys/kernel/sysrq:
17 0 - disable sysrq completely
18 1 - enable all functions of sysrq
19 >1 - bitmask of allowed sysrq functions (see below for detailed function
31 echo "number" >/proc/sys/kernel/sysrq
37 Note that the value of /proc/sys/kernel/sysrq influences only the invocation
38 via a keyboard. Invocation of any operation via /proc/sysrq-trigger is always
62 On all - write a character to /proc/sysrq-trigger. e.g.:
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| D | SAK.txt | 13 sysrq support.
16 `loadkeys'. This will work whether or not sysrq support is compiled
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| D | 00-INDEX | 434 sysrq.txt
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| D | kernel-parameters.txt | 1719 not using this parameter you use sysrq-g to break into
3664 Ignore sysrq setting - this boot parameter will
3665 neutralize any effect of /proc/sys/kernel/sysrq.
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| /linux-4.4.14/include/linux/ |
| D | serial_core.h | 161 unsigned long sysrq; /* sysrq timeout */ member
433 if (port->sysrq) { in uart_handle_sysrq_char()
434 if (ch && time_before(jiffies, port->sysrq)) { in uart_handle_sysrq_char()
436 port->sysrq = 0; in uart_handle_sysrq_char()
439 port->sysrq = 0; in uart_handle_sysrq_char()
459 if (!port->sysrq) { in uart_handle_break()
460 port->sysrq = jiffies + HZ*5; in uart_handle_break()
463 port->sysrq = 0; in uart_handle_break()
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| /linux-4.4.14/tools/testing/selftests/pstore/ |
| D | pstore_crash_test | 16 echo 1 > /proc/sys/kernel/sysrq
30 echo c > /proc/sysrq-trigger
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| /linux-4.4.14/drivers/s390/char/ |
| D | ctrlchar.c | 22 struct sysrq_work *sysrq = container_of(work, struct sysrq_work, work); in ctrlchar_handle_sysrq() local
24 handle_sysrq(sysrq->key); in ctrlchar_handle_sysrq()
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| D | keyboard.c | 304 if (kbd->sysrq) { in kbd_keycode()
305 if (kbd->sysrq == K(KT_LATIN, '-')) { in kbd_keycode()
306 kbd->sysrq = 0; in kbd_keycode()
311 kbd->sysrq = K(KT_LATIN, '-'); in kbd_keycode()
315 (*k_handler[KTYP(kbd->sysrq)])(kbd, KVAL(kbd->sysrq)); in kbd_keycode()
316 kbd->sysrq = 0; in kbd_keycode()
319 kbd->sysrq = K(type, value); in kbd_keycode()
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| D | keyboard.h | 30 unsigned short sysrq; member
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| D | sclp_vt220.c | 485 static struct sysrq_work sysrq; variable
507 sysrq.key = buffer[i]; in sclp_vt220_handle_input()
508 schedule_sysrq_work(&sysrq); in sclp_vt220_handle_input()
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| /linux-4.4.14/drivers/usb/serial/ |
| D | generic.c | 336 if (!port->port.console || !port->sysrq) { in usb_serial_generic_process_read_urb()
543 if (port->sysrq && port->port.console) { in usb_serial_handle_sysrq_char()
544 if (ch && time_before(jiffies, port->sysrq)) { in usb_serial_handle_sysrq_char()
546 port->sysrq = 0; in usb_serial_handle_sysrq_char()
549 port->sysrq = 0; in usb_serial_handle_sysrq_char()
563 if (!port->sysrq) { in usb_serial_handle_break()
564 port->sysrq = jiffies + HZ*5; in usb_serial_handle_break()
567 port->sysrq = 0; in usb_serial_handle_break()
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| D | ssu100.c | 526 if (port->port.console && port->sysrq) { in ssu100_process_read_urb()
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| D | f81232.c | 327 if (port->port.console && port->sysrq) { in f81232_process_read_urb()
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| D | pl2303.c | 917 if (port->port.console && port->sysrq) { in pl2303_process_read_urb()
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| D | mxuport.c | 334 if (!port->port.console || !port->sysrq) { in mxuport_process_read_urb_data()
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| D | ftdi_sio.c | 2103 if (port->port.console && port->sysrq) { in ftdi_process_packet()
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| /linux-4.4.14/arch/nios2/ |
| D | Kconfig.debug | 13 task has ever had available in the sysrq-T and sysrq-P debug output.
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| /linux-4.4.14/drivers/tty/serial/ |
| D | sunhv.c | 151 if (port->sysrq != 0 && *con_read_page) { in receive_chars_read()
434 if (port->sysrq || oops_in_progress) in sunhv_console_write_paged()
489 if (port->sysrq || oops_in_progress) in sunhv_console_write_bychar()
493 if (port->sysrq) { in sunhv_console_write_bychar()
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| D | msm_serial.c | 377 int count = 0, i, sysrq; in msm_complete_rx_dma() local
424 sysrq = uart_handle_sysrq_char(port, dma->virt[i]); in msm_complete_rx_dma()
426 if (!sysrq) in msm_complete_rx_dma()
553 int sysrq, r_count, i; in msm_handle_rx_dm() local
579 sysrq = uart_handle_sysrq_char(port, buf[i]); in msm_handle_rx_dm()
581 if (!sysrq) in msm_handle_rx_dm()
619 int sysrq; in msm_handle_rx() local
642 sysrq = uart_handle_sysrq_char(port, c); in msm_handle_rx()
644 if (!sysrq) in msm_handle_rx()
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| D | meson_uart.c | 457 if (port->sysrq) { in meson_serial_console_write()
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| D | ar933x_uart.c | 550 if (up->port.sysrq) in ar933x_uart_console_write()
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| D | lpc32xx_hs.c | 148 if (up->port.sysrq) in lpc32xx_hsuart_console_write()
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| D | sprd_serial.c | 546 if (port->sysrq) in sprd_console_write()
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| D | stm32-usart.c | 625 if (port->sysrq) in stm32_console_write()
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| D | pnx8xxx_uart.c | 228 sport->port.sysrq = 0; in pnx8xxx_rx_chars()
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| D | bcm63xx_uart.c | 707 if (port->sysrq) { in bcm_console_write()
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| D | st-asc.c | 807 if (port->sysrq) in asc_console_write()
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| D | pmac_zilog.c | 267 uap->port.sysrq = jiffies + HZ*5; in pmz_receive_chars()
271 if (uap->port.sysrq) { in pmz_receive_chars()
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| D | pxa.c | 655 if (up->port.sysrq) in serial_pxa_console_write()
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| D | sa1100.c | 226 sport->port.sysrq = 0; in sa1100_rx_chars()
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| D | pch_uart.c | 607 if (port->sysrq) { in pch_uart_hal_read()
1661 if (priv->port.sysrq) { in pch_console_write()
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| D | fsl_lpuart.c | 688 sport->port.sysrq = 0; in lpuart_rxint()
752 sport->port.sysrq = 0; in lpuart32_rxint()
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| D | imx.c | 699 sport->port.sysrq = 0; in imx_rxint()
1642 if (sport->port.sysrq) in imx_console_write()
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| D | xilinx_uartps.c | 242 if (port->sysrq) { in cdns_uart_isr()
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| D | sunsab.c | 867 if (up->port.sysrq || oops_in_progress) in sunsab_console_write()
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| D | ucc_uart.c | 557 port->sysrq = 0; in qe_uart_int_rx()
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| D | sunsu.c | 1311 if (up->port.sysrq || oops_in_progress) in sunsu_console_write()
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| D | sunzilog.c | 1208 if (up->port.sysrq || oops_in_progress) in sunzilog_console_write()
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| D | mpc52xx_uart.c | 1390 port->sysrq = 0; in mpc52xx_uart_int_rx_chars()
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| D | omap-serial.c | 1261 if (up->port.sysrq) in serial_omap_console_write()
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| D | amba-pl011.c | 2071 if (uap->port.sysrq) in pl011_console_write()
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| D | sh-sci.c | 2408 if (port->sysrq) in serial_console_write()
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| /linux-4.4.14/arch/um/kernel/ |
| D | Makefile | 15 signal.o syscall.o sysrq.o time.o tlb.o trap.o \
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| /linux-4.4.14/Documentation/video4linux/bttv/ |
| D | README.freeze | 30 for each process using sysrq-t (see Documentation/sysrq.txt).
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| /linux-4.4.14/arch/um/ |
| D | Kconfig.um | 78 On UML, this is accomplished by sending a "sysrq" command with
81 The keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
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| /linux-4.4.14/drivers/tty/hvc/ |
| D | hvsi.c | 93 uint8_t sysrq; member
342 hp->sysrq = 1; in hvsi_insert_chars()
344 } else if (hp->sysrq) { in hvsi_insert_chars()
346 hp->sysrq = 0; in hvsi_insert_chars()
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| /linux-4.4.14/arch/mips/kernel/ |
| D | Makefile | 79 obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
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| /linux-4.4.14/include/linux/usb/ |
| D | serial.h | 119 unsigned long sysrq; /* sysrq timeout */ member
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| /linux-4.4.14/Documentation/x86/ |
| D | exception-tables.txt | 58 the get_user call in drivers/char/sysrq.c for a detailed examination.
60 The original code in sysrq.c line 587:
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| D | earlyprintk.txt | 122 echo h > /proc/sysrq-trigger
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| /linux-4.4.14/Documentation/kdump/ |
| D | kdump.txt | 424 die(), die_nmi() and in the sysrq handler (ALT-SysRq-c).
439 "echo c > /proc/sysrq-trigger" or write a module to force the panic.
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| /linux-4.4.14/lib/ |
| D | Kconfig.debug | 373 keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
383 to a bitmask as described in Documentation/sysrq.txt.
552 task has ever had available in the sysrq-T and sysrq-P debug output.
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| /linux-4.4.14/drivers/tty/serial/cpm_uart/ |
| D | cpm_uart_core.c | 365 port->sysrq = 0; in cpm_uart_int_rx()
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| /linux-4.4.14/Documentation/sysctl/ |
| D | kernel.txt | 83 - sysrq ==> Documentation/sysrq.txt
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| /linux-4.4.14/arch/mn10300/kernel/ |
| D | mn10300-serial.c | 1588 if (port->uart.sysrq) { in mn10300_serial_console_write()
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| /linux-4.4.14/Documentation/s390/ |
| D | Debugging390.txt | 928 This types the starting keystrokes for a sysrq see SysRq below.
2103 echo "1" > /proc/sys/kernel/sysrq
2112 The sysrq key reading is very picky ( I have to type the keys in an
2119 Read Documentation/sysrq.txt for more info
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| /linux-4.4.14/Documentation/virtual/uml/ |
| D | UserModeLinux-HOWTO.txt | 81 10.5 sysrq
2313 o sysrq
2400 10.5. sysrq
2404 that argument. See the SysRq documentation in Documentation/sysrq.txt
2439 of UML filesystems, as the UML can be stopped, then synced via 'sysrq
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| /linux-4.4.14/drivers/tty/serial/8250/ |
| D | 8250_port.c | 2846 if (port->sysrq) in serial8250_console_write()
|