| /* | |
| * Data definitions for channel report processing | |
| * Copyright IBM Corp. 2000, 2009 | |
| * Author(s): Ingo Adlung <adlung@de.ibm.com>, | |
| * Martin Schwidefsky <schwidefsky@de.ibm.com>, | |
| * Cornelia Huck <cornelia.huck@de.ibm.com>, | |
| * Heiko Carstens <heiko.carstens@de.ibm.com>, | |
| */ | |
| #ifndef _ASM_S390_CRW_H | |
| #define _ASM_S390_CRW_H | |
| #include <linux/types.h> | |
| /* | |
| * Channel Report Word | |
| */ | |
| struct crw { | |
| __u32 res1 : 1; /* reserved zero */ | |
| __u32 slct : 1; /* solicited */ | |
| __u32 oflw : 1; /* overflow */ | |
| __u32 chn : 1; /* chained */ | |
| __u32 rsc : 4; /* reporting source code */ | |
| __u32 anc : 1; /* ancillary report */ | |
| __u32 res2 : 1; /* reserved zero */ | |
| __u32 erc : 6; /* error-recovery code */ | |
| __u32 rsid : 16; /* reporting-source ID */ | |
| } __attribute__ ((packed)); | |
| typedef void (*crw_handler_t)(struct crw *, struct crw *, int); | |
| extern int crw_register_handler(int rsc, crw_handler_t handler); | |
| extern void crw_unregister_handler(int rsc); | |
| extern void crw_handle_channel_report(void); | |
| void crw_wait_for_channel_report(void); | |
| #define NR_RSCS 16 | |
| #define CRW_RSC_MONITOR 0x2 /* monitoring facility */ | |
| #define CRW_RSC_SCH 0x3 /* subchannel */ | |
| #define CRW_RSC_CPATH 0x4 /* channel path */ | |
| #define CRW_RSC_CONFIG 0x9 /* configuration-alert facility */ | |
| #define CRW_RSC_CSS 0xB /* channel subsystem */ | |
| #define CRW_ERC_EVENT 0x00 /* event information pending */ | |
| #define CRW_ERC_AVAIL 0x01 /* available */ | |
| #define CRW_ERC_INIT 0x02 /* initialized */ | |
| #define CRW_ERC_TERROR 0x03 /* temporary error */ | |
| #define CRW_ERC_IPARM 0x04 /* installed parm initialized */ | |
| #define CRW_ERC_TERM 0x05 /* terminal */ | |
| #define CRW_ERC_PERRN 0x06 /* perm. error, fac. not init */ | |
| #define CRW_ERC_PERRI 0x07 /* perm. error, facility init */ | |
| #define CRW_ERC_PMOD 0x08 /* installed parameters modified */ | |
| #endif /* _ASM_S390_CRW_H */ |