/* SPDX-License-Identifier: GPL-2.0 */ /* * 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 */