cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

keyboard.h (1571B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 *    ebcdic keycode functions for s390 console drivers
      4 *
      5 *    Copyright IBM Corp. 2003
      6 *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
      7 */
      8
      9#include <linux/tty.h>
     10#include <linux/tty_flip.h>
     11#include <linux/keyboard.h>
     12
     13#define NR_FN_HANDLER	20
     14
     15struct kbd_data;
     16
     17extern int ebc_funcbufsize, ebc_funcbufleft;
     18extern char *ebc_func_table[MAX_NR_FUNC];
     19extern char ebc_func_buf[];
     20extern char *ebc_funcbufptr;
     21extern unsigned int ebc_keymap_count;
     22
     23extern struct kbdiacruc ebc_accent_table[];
     24extern unsigned int ebc_accent_table_size;
     25extern unsigned short *ebc_key_maps[MAX_NR_KEYMAPS];
     26extern unsigned short ebc_plain_map[NR_KEYS];
     27
     28typedef void (fn_handler_fn)(struct kbd_data *);
     29
     30/*
     31 * FIXME: explain key_maps tricks.
     32 */
     33
     34struct kbd_data {
     35	struct tty_port *port;
     36	unsigned short **key_maps;
     37	char **func_table;
     38	fn_handler_fn **fn_handler;
     39	struct kbdiacruc *accent_table;
     40	unsigned int accent_table_size;
     41	unsigned int diacr;
     42	unsigned short sysrq;
     43};
     44
     45struct kbd_data *kbd_alloc(void);
     46void kbd_free(struct kbd_data *);
     47void kbd_ascebc(struct kbd_data *, unsigned char *);
     48
     49void kbd_keycode(struct kbd_data *, unsigned int);
     50int kbd_ioctl(struct kbd_data *, unsigned int, unsigned long);
     51
     52/*
     53 * Helper Functions.
     54 */
     55static inline void
     56kbd_put_queue(struct tty_port *port, int ch)
     57{
     58	tty_insert_flip_char(port, ch, 0);
     59	tty_flip_buffer_push(port);
     60}
     61
     62static inline void
     63kbd_puts_queue(struct tty_port *port, char *cp)
     64{
     65	while (*cp)
     66		tty_insert_flip_char(port, *cp++, 0);
     67	tty_flip_buffer_push(port);
     68}