Commit | Line | Data |
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e6b6e10a PO |
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> | |
e5854a58 | 13 | #include <asm/chpid.h> |
e6b6e10a | 14 | #include "chsc.h" |
0ae7a7b2 | 15 | #include "css.h" |
e6b6e10a | 16 | |
e5854a58 PO |
17 | #define CHP_STATUS_STANDBY 0 |
18 | #define CHP_STATUS_CONFIGURED 1 | |
19 | #define CHP_STATUS_RESERVED 2 | |
20 | #define CHP_STATUS_NOT_RECOGNIZED 3 | |
21 | ||
c820de39 CH |
22 | #define CHP_ONLINE 0 |
23 | #define CHP_OFFLINE 1 | |
24 | #define CHP_VARY_ON 2 | |
25 | #define CHP_VARY_OFF 3 | |
26 | ||
99611f87 | 27 | struct chp_link { |
c820de39 CH |
28 | struct chp_id chpid; |
29 | u32 fla_mask; | |
30 | u16 fla; | |
31 | }; | |
32 | ||
e5854a58 PO |
33 | static inline int chp_test_bit(u8 *bitmap, int num) |
34 | { | |
35 | int byte = num >> 3; | |
36 | int mask = 128 >> (num & 7); | |
37 | ||
38 | return (bitmap[byte] & mask) ? 1 : 0; | |
39 | } | |
40 | ||
41 | ||
e6b6e10a PO |
42 | struct channel_path { |
43 | struct chp_id chpid; | |
44 | int state; | |
45 | struct channel_path_desc desc; | |
46 | /* Channel-measurement related stuff: */ | |
47 | int cmg; | |
48 | int shared; | |
49 | void *cmg_chars; | |
50 | struct device dev; | |
51 | }; | |
52 | ||
53 | int chp_get_status(struct chp_id chpid); | |
54 | u8 chp_get_sch_opm(struct subchannel *sch); | |
55 | int chp_is_registered(struct chp_id chpid); | |
56 | void *chp_get_chp_desc(struct chp_id chpid); | |
e6b6e10a PO |
57 | void chp_remove_cmg_attr(struct channel_path *chp); |
58 | int chp_add_cmg_attr(struct channel_path *chp); | |
59 | int chp_new(struct chp_id chpid); | |
e5854a58 PO |
60 | void chp_cfg_schedule(struct chp_id chpid, int configure); |
61 | void chp_cfg_cancel_deconfigure(struct chp_id chpid); | |
62 | int chp_info_get_status(struct chp_id chpid); | |
99611f87 | 63 | int chp_ssd_get_mask(struct chsc_ssd_info *, struct chp_link *); |
e6b6e10a | 64 | #endif /* S390_CHP_H */ |