include/asm-s390/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 struct _devreg;
  14
  15 typedef  int (* oper_handler_func_t)( int             irq,
  16                                       struct _devreg *dreg);
  17 typedef  void (* io_handler_func_t) ( int  irq,
  18                                       __u32 intparm );
  19 typedef  void ( * not_oper_handler_func_t)( int irq,
  20                                             int status );
  21
  22 typedef struct _devreg {
  23         union {
  24                 struct _hc {
  25                         __u16 ctype;
  26                         __u8  cmode;
  27                         __u16 dtype;
  28                         __u8  dmode;
  29                 } hc;       /* has controller info */
  30
  31                 struct _hnc {
  32                         __u16 dtype;
  33                         __u8  dmode;
  34                         __u16 res1;
  35                         __u8  res2;
  36                 } hnc;      /* has no controller info */
  37         } ci;
  38
  39         int                  flag;
  40         oper_handler_func_t  oper_func;
  41         struct _devreg      *prev;
  42         struct _devreg      *next;
  43 } devreg_t;
  44
  45 #define DEVREG_EXACT_MATCH      0x00000001
  46 #define DEVREG_MATCH_DEV_TYPE   0x00000002
  47 #define DEVREG_MATCH_CU_TYPE    0x00000004
  48 #define DEVREG_NO_CU_INFO       0x00000008
  49
  50
  51 int s390_device_register    ( devreg_t *drinfo );
  52 int s390_device_deregister  ( devreg_t *dreg );
  53 int s390_request_irq_special( int                      irq,
  54                               io_handler_func_t        io_handler,
  55                               not_oper_handler_func_t  not_oper_handler,
  56                               unsigned long            irqflags,
  57                               const char              *devname,
  58                               void                    *dev_id);
  59
  60 #endif /* __s390dyn */