diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/s390/char/ctrlchar.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
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 0000000000..e52afa3b81 --- /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 |