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 */
57