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- /*
- * 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 */
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