projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef S390_CHSC_H |
| 2 | #define S390_CHSC_H | |
| 3 | ||
| 1da177e4 LT |
4 | #define CHSC_SEI_ACC_CHPID 1 |
| 5 | #define CHSC_SEI_ACC_LINKADDR 2 | |
| 6 | #define CHSC_SEI_ACC_FULLLINKADDR 3 | |
| 7 | ||
| fb6958a5 CH |
8 | #define CHSC_SDA_OC_MSS 0x2 |
| 9 | ||
| 1da177e4 LT |
10 | struct chsc_header { |
| 11 | u16 length; | |
| 12 | u16 code; | |
| 13 | }; | |
| 14 | ||
| 15 | struct channel_path_desc { | |
| 16 | u8 flags; | |
| 17 | u8 lsn; | |
| 18 | u8 desc; | |
| 19 | u8 chpid; | |
| 20 | u8 swla; | |
| 21 | u8 zeroes; | |
| 22 | u8 chla; | |
| 23 | u8 chpp; | |
| 24 | }; | |
| 25 | ||
| 26 | struct channel_path { | |
| 27 | int id; | |
| 28 | int state; | |
| 29 | struct channel_path_desc desc; | |
| 30 | struct device dev; | |
| 31 | }; | |
| 32 | ||
| 33 | extern void s390_process_css( void ); | |
| 34 | extern void chsc_validate_chpids(struct subchannel *); | |
| 35 | extern void chpid_is_actually_online(int); | |
| 36 | ||
| 37 | struct css_general_char { | |
| 38 | u64 : 41; | |
| 39 | u32 aif : 1; /* bit 41 */ | |
| 40 | u32 : 3; | |
| 41 | u32 mcss : 1; /* bit 45 */ | |
| 42 | u32 : 2; | |
| 43 | u32 ext_mb : 1; /* bit 48 */ | |
| 44 | u32 : 7; | |
| 45 | u32 aif_tdd : 1; /* bit 56 */ | |
| 8129ee16 FP |
46 | u32 : 1; |
| 47 | u32 qebsm : 1; /* bit 58 */ | |
| 48 | u32 : 8; | |
| 1da177e4 LT |
49 | u32 aif_osa : 1; /* bit 67 */ |
| 50 | u32 : 28; | |
| 51 | }__attribute__((packed)); | |
| 52 | ||
| 53 | struct css_chsc_char { | |
| 54 | u64 res; | |
| 55 | u64 : 43; | |
| 56 | u32 scssc : 1; /* bit 107 */ | |
| 57 | u32 scsscf : 1; /* bit 108 */ | |
| 58 | u32 : 19; | |
| 59 | }__attribute__((packed)); | |
| 60 | ||
| 61 | extern struct css_general_char css_general_characteristics; | |
| 62 | extern struct css_chsc_char css_chsc_characteristics; | |
| 63 | ||
| 64 | extern int chsc_determine_css_characteristics(void); | |
| 65 | extern int css_characteristics_avail; | |
| 66 | ||
| 67 | extern void *chsc_get_chp_desc(struct subchannel*, int); | |
| a28c6944 | 68 | |
| fb6958a5 CH |
69 | extern int chsc_enable_facility(int); |
| 70 | ||
| 501fe31d | 71 | #define to_channelpath(device) container_of(device, struct channel_path, dev) |
| a28c6944 | 72 | |
| 1da177e4 | 73 | #endif |