include/asm-s390x/s390dyn.h

   1 /*
   2  *  arch/s390/kernel/s390dyn.h
   3  *   S/390 data definitions for dynamic device attachment
   4  *
   5  *  S390 version
   6  *    Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
   7  *    Author(s): Ingo Adlung (adlung@de.ibm.com)
   8  */
   9
  10 #ifndef __s390dyn_h
  11 #define __s390dyn_h
  12
  13 #ifndef _LINUX_LIST_H
  14 #include <linux/list.h>
  15 #endif
  16
  17 struct _devreg;
  18
  19 typedef  int  (* oper_handler_func_t)( int             irq,
  20                                        struct _devreg *dreg);
  21
  22 typedef struct _devreg_hc_t {
  23         __u16 ctype;
  24         __u8  cmode;
  25         __u16 dtype;
  26         __u8  dmode;
  27    }  __attribute__ ((packed)) devreg_hc_t;
  28
  29 typedef struct _devreg {
  30         struct list_head list;
  31         union {
  32                 int devno;
  33                 devreg_hc_t hc;       /* has controller info */
  34         } ci;
  35
  36         int                  flag;
  37         oper_handler_func_t  oper_func;
  38 } devreg_t;
  39
  40 #define DEVREG_MATCH_CU_TYPE    0x00000001
  41 #define DEVREG_MATCH_CU_MODEL   0x00000002
  42 #define DEVREG_MATCH_DEV_TYPE   0x00000004
  43 #define DEVREG_MATCH_DEV_MODEL  0x00000008
  44
  45 #define DEVREG_EXACT_MATCH      (DEVREG_MATCH_CU_TYPE|DEVREG_MATCH_CU_MODEL|DEVREG_MATCH_DEV_TYPE|DEVREG_MATCH_DEV_MODEL)
  46 #define DEVREG_NO_CU_INFO       (DEVREG_MATCH_DEV_TYPE|DEVREG_MATCH_DEV_MODEL)
  47 #define DEVREG_NO_DEV_INFO      (DEVREG_MATCH_CU_TYPE|DEVREG_MATCH_CU_MODEL)
  48
  49 #define DEVREG_TYPE_DEVNO       0x80000000
  50 #define DEVREG_TYPE_DEVCHARS    0x40000000
  51
  52 int        s390_device_register  ( devreg_t *drinfo );
  53 int        s390_device_unregister( devreg_t *dreg );
  54 devreg_t * s390_search_devreg    ( ioinfo_t *ioinfo );
  55
  56 #endif /* __s390dyn */