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Searched refs:sysrq (Results 1 – 25 of 69) sorted by relevance

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/linux-6.15/drivers/tty/
H A Dsysrq.c839 if (sysrq->active && code == sysrq->alt_use) in sysrq_handle_keypress()
845 sysrq->alt = code; in sysrq_handle_keypress()
856 if (sysrq->active) in sysrq_handle_keypress()
857 sysrq->shift_use = sysrq->shift; in sysrq_handle_keypress()
863 sysrq->alt_use = sysrq->alt; in sysrq_handle_keypress()
865 sysrq->shift_use = sysrq->shift; in sysrq_handle_keypress()
881 if (sysrq->active) in sysrq_handle_keypress()
974 if (!sysrq) in sysrq_connect()
982 sysrq->handle.private = sysrq; in sysrq_connect()
1003 kfree(sysrq); in sysrq_connect()
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H A DMakefile9 obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
/linux-6.15/Documentation/translations/zh_TW/admin-guide/
H A Dsysrq.rst3 :Original: Documentation/admin-guide/sysrq.rst
18 針對 sysrq.c 的文檔說明
30 當運行一個編譯進 sysrq 功能的內核時，/proc/sys/kernel/sysrq 控制着被
50 echo "number" >/proc/sys/kernel/sysrq
56 通過 ``/proc/sysrq-trigger`` 的任何操作調用都是允許的
86 寫一個字符到 /proc/sysrq-trigger 文件，例如::
88 echo t > /proc/sysrq-trigger
239 該表定義在 'drivers/tty/sysrq.c' 文件中。
259 文件的消費訪問到。作爲一個特例，來自 sysrq 命令的標題行將被傳遞給所有控制檯
262 鍵盤組合鍵 `alt-sysrq-8` 或者::
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H A Dindex.rst74 sysrq
/linux-6.15/Documentation/translations/zh_CN/admin-guide/
H A Dsysrq.rst3 :Original: Documentation/admin-guide/sysrq.rst
18 针对 sysrq.c 的文档说明
30 当运行一个编译进 sysrq 功能的内核时，/proc/sys/kernel/sysrq 控制着被
50 echo "number" >/proc/sys/kernel/sysrq
56 通过 ``/proc/sysrq-trigger`` 的任何操作调用都是允许的
86 写一个字符到 /proc/sysrq-trigger 文件，例如::
88 echo t > /proc/sysrq-trigger
239 该表定义在 'drivers/tty/sysrq.c' 文件中。
259 文件的消费访问到。作为一个特例，来自 sysrq 命令的标题行将被传递给所有控制台
262 键盘组合键 `alt-sysrq-8` 或者::
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H A Dindex.rst72 sysrq
/linux-6.15/Documentation/devicetree/bindings/input/
H A 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
19 generating a sysrq. If omitted the system is rebooted immediately when a valid
25 linux,sysrq-reset-seq {
/linux-6.15/Documentation/admin-guide/
H A Dsysrq.rst4 Documentation for sysrq.c
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
38 echo "number" >/proc/sys/kernel/sysrq
78 Write a single character to /proc/sysrq-trigger.
84 echo t > /proc/sysrq-trigger
89 echo _reisub > /proc/sysrq-trigger
221 sysrq[0-9] (see above).
228 `alt-sysrq-z`).
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H A Dindex.rst83 sysrq
/linux-6.15/include/linux/
H A Dserial_core.h580 unsigned long sysrq; /* sysrq timeout */ member
1172 if (!port->sysrq) in uart_handle_sysrq_char()
1175 if (ch && time_before(jiffies, port->sysrq)) { in uart_handle_sysrq_char()
1178 port->sysrq = 0; in uart_handle_sysrq_char()
1184 port->sysrq = 0; in uart_handle_sysrq_char()
1191 if (!port->sysrq) in uart_prepare_sysrq_char()
1197 port->sysrq = 0; in uart_prepare_sysrq_char()
1203 port->sysrq = 0; in uart_prepare_sysrq_char()
1276 if (!port->sysrq) { in uart_handle_break()
1277 port->sysrq = jiffies + SYSRQ_TIMEOUT; in uart_handle_break()
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/linux-6.15/tools/testing/selftests/pstore/
H A Dpstore_crash_test16 echo 1 > /proc/sys/kernel/sysrq
30 echo c > /proc/sysrq-trigger
/linux-6.15/drivers/s390/char/
H A 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()
H A 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()
H A Dkeyboard.h42 unsigned short sysrq; member
H A Dsclp_vt220.c478 static struct sysrq_work sysrq; variable
500 sysrq.key = buffer[i]; in sclp_vt220_handle_input()
501 schedule_sysrq_work(&sysrq); in sclp_vt220_handle_input()
/linux-6.15/drivers/usb/serial/
H A Dgeneric.c357 if (port->sysrq) { in usb_serial_generic_process_read_urb()
576 if (port->sysrq) { in usb_serial_handle_sysrq_char()
577 if (ch && time_before(jiffies, port->sysrq)) { in usb_serial_handle_sysrq_char()
579 port->sysrq = 0; in usb_serial_handle_sysrq_char()
582 port->sysrq = 0; in usb_serial_handle_sysrq_char()
593 if (!port->sysrq) { in usb_serial_handle_break()
594 port->sysrq = jiffies + HZ*5; in usb_serial_handle_break()
597 port->sysrq = 0; in usb_serial_handle_break()
/linux-6.15/drivers/tty/serial/
H A Dsunhv.c154 if (port->sysrq != 0 && *con_read_page) { in receive_chars_read()
444 if (port->sysrq || oops_in_progress) in sunhv_console_write_paged()
499 if (port->sysrq || oops_in_progress) in sunhv_console_write_bychar()
H A Dmsm_serial.c565 int count = 0, i, sysrq; in msm_complete_rx_dma() local
607 sysrq = uart_prepare_sysrq_char(port, dma->rx.virt[i]); in msm_complete_rx_dma()
608 if (!sysrq) in msm_complete_rx_dma()
755 int sysrq, r_count, i; in msm_handle_rx_dm() local
780 sysrq = uart_prepare_sysrq_char(port, buf[i]); in msm_handle_rx_dm()
781 if (!sysrq) in msm_handle_rx_dm()
818 int sysrq; in msm_handle_rx() local
840 sysrq = uart_prepare_sysrq_char(port, c); in msm_handle_rx()
841 if (!sysrq) in msm_handle_rx()
H A Dtegra-utc.c176 int sysrq; in tegra_utc_rx_chars() local
191 sysrq = uart_handle_sysrq_char(&tup->port, ch); in tegra_utc_rx_chars()
194 if (!sysrq) in tegra_utc_rx_chars()
H A Dowl-uart.c202 bool sysrq; in owl_uart_receive_chars() local
221 sysrq = uart_prepare_sysrq_char(port, val); in owl_uart_receive_chars()
223 if (!sysrq && (stat & port->ignore_status_mask) == 0) in owl_uart_receive_chars()
/linux-6.15/Documentation/security/
H A Dsak.rst17 sysrq support.
20 ``loadkeys``. This will work whether or not sysrq support is compiled
/linux-6.15/Documentation/translations/zh_CN/security/
H A Dsak.rst27 编译了sysrq支持，这种方式都能够正常工作。
/linux-6.15/arch/um/kernel/
H A DMakefile19 signal.o sysrq.o time.o tlb.o trap.o \
/linux-6.15/arch/loongarch/kernel/
H A DMakefile60 obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
/linux-6.15/drivers/tty/hvc/
H A 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()

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