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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/s390/char/ctrlchar.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/s390/char/ctrlchar.h')
| -rw-r--r-- | drivers/s390/char/ctrlchar.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/s390/char/ctrlchar.h b/drivers/s390/char/ctrlchar.h new file mode 100644 index 000000000..e52afa3b8 --- /dev/null +++ b/drivers/s390/char/ctrlchar.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Unified handling of special chars. + * + * Copyright IBM Corp. 2001 + * Author(s): Fritz Elfert <felfert@millenux.com> <elfert@de.ibm.com> + * + */ + +#include <linux/tty.h> +#include <linux/sysrq.h> +#include <linux/workqueue.h> + +extern unsigned int +ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty); + + +#define CTRLCHAR_NONE (1 << 8) +#define CTRLCHAR_CTRL (2 << 8) +#define CTRLCHAR_SYSRQ (3 << 8) + +#define CTRLCHAR_MASK (~0xffu) + + +#ifdef CONFIG_MAGIC_SYSRQ +struct sysrq_work { + int key; + struct work_struct work; +}; + +void schedule_sysrq_work(struct sysrq_work *sw); +#endif |