1 /*
2 * drivers/s390/cio/chp.h
3 *
4 * Copyright IBM Corp. 2007
5 * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
6 */
7
8 #ifndef S390_CHP_H
9 #define S390_CHP_H S390_CHP_H
10
11 #include <linux/types.h>
12 #include <linux/device.h>
13 #include <asm/chpid.h>
14 #include "chsc.h"
15
16 #define CHP_STATUS_STANDBY 0
17 #define CHP_STATUS_CONFIGURED 1
18 #define CHP_STATUS_RESERVED 2
19 #define CHP_STATUS_NOT_RECOGNIZED 3
20
21 static inline int chp_test_bit(u8 *bitmap, int num)
22 {
23 int byte = num >> 3;
24 int mask = 128 >> (num & 7);
25
26 return (bitmap[byte] & mask) ? 1 : 0;
27 }
28
29
30 struct channel_path {
31 struct chp_id chpid;
32 int state;
33 struct channel_path_desc desc;
34 /* Channel-measurement related stuff: */
35 int cmg;
36 int shared;
37 void *cmg_chars;
38 struct device dev;
39 };
40
41 int chp_get_status(struct chp_id chpid);
42 u8 chp_get_sch_opm(struct subchannel *sch);
43 int chp_is_registered(struct chp_id chpid);
44 void *chp_get_chp_desc(struct chp_id chpid);
45 void chp_process_crw(int id, int available);
46 void chp_remove_cmg_attr(struct channel_path *chp);
47 int chp_add_cmg_attr(struct channel_path *chp);
48 int chp_new(struct chp_id chpid);
49 void chp_cfg_schedule(struct chp_id chpid, int configure);
50 void chp_cfg_cancel_deconfigure(struct chp_id chpid);
51 int chp_info_get_status(struct chp_id chpid);
52
53 #endif /* S390_CHP_H */
54
|
This page was automatically generated by the
LXR engine.
|