arch/um/drivers/mconsole_kern.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
   4  */
   5
   6 #ifndef __MCONSOLE_KERN_H__
   7 #define __MCONSOLE_KERN_H__
   8
   9 #include <linux/list.h>
  10 #include "mconsole.h"
  11
  12 struct mconsole_entry {
  13         struct list_head list;
  14         struct mc_request request;
  15 };
  16
  17 /* All these methods are called in process context. */
  18 struct mc_device {
  19         struct list_head list;
  20         char *name;
  21         int (*config)(char *, char **);
  22         int (*get_config)(char *, char *, int, char **);
  23         int (*id)(char **, int *, int *);
  24         int (*remove)(int, char **);
  25 };
  26
  27 #define CONFIG_CHUNK(str, size, current, chunk, end) \
  28 do { \
  29         current += strlen(chunk); \
  30         if(current >= size) \
  31                 str = NULL; \
  32         if(str != NULL){ \
  33                 strcpy(str, chunk); \
  34                 str += strlen(chunk); \
  35         } \
  36         if(end) \
  37                 current++; \
  38 } while(0)
  39
  40 #ifdef CONFIG_MCONSOLE
  41
  42 extern void mconsole_register_dev(struct mc_device *new);
  43
  44 #else
  45
  46 static inline void mconsole_register_dev(struct mc_device *new)
  47 {
  48 }
  49
  50 #endif
  51
  52 #endif