diff options
Diffstat (limited to 'drivers/s390/cio/chp.h')
-rw-r--r-- | drivers/s390/cio/chp.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/s390/cio/chp.h b/drivers/s390/cio/chp.h new file mode 100644 index 000000000000..65286563c592 --- /dev/null +++ b/drivers/s390/cio/chp.h | |||
@@ -0,0 +1,53 @@ | |||
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 */ | ||