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56 lines
1.9 KiB
56 lines
1.9 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Data definitions for channel report processing |
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* Copyright IBM Corp. 2000, 2009 |
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* Author(s): Ingo Adlung <[email protected]>, |
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* Martin Schwidefsky <[email protected]>, |
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* Cornelia Huck <[email protected]>, |
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* Heiko Carstens <[email protected]>, |
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*/ |
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#ifndef _ASM_S390_CRW_H |
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#define _ASM_S390_CRW_H |
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#include <linux/types.h> |
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/* |
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* Channel Report Word |
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*/ |
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struct crw { |
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__u32 res1 : 1; /* reserved zero */ |
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__u32 slct : 1; /* solicited */ |
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__u32 oflw : 1; /* overflow */ |
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__u32 chn : 1; /* chained */ |
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__u32 rsc : 4; /* reporting source code */ |
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__u32 anc : 1; /* ancillary report */ |
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__u32 res2 : 1; /* reserved zero */ |
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__u32 erc : 6; /* error-recovery code */ |
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__u32 rsid : 16; /* reporting-source ID */ |
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} __attribute__ ((packed)); |
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typedef void (*crw_handler_t)(struct crw *, struct crw *, int); |
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extern int crw_register_handler(int rsc, crw_handler_t handler); |
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extern void crw_unregister_handler(int rsc); |
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extern void crw_handle_channel_report(void); |
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void crw_wait_for_channel_report(void); |
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#define NR_RSCS 16 |
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#define CRW_RSC_MONITOR 0x2 /* monitoring facility */ |
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#define CRW_RSC_SCH 0x3 /* subchannel */ |
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#define CRW_RSC_CPATH 0x4 /* channel path */ |
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#define CRW_RSC_CONFIG 0x9 /* configuration-alert facility */ |
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#define CRW_RSC_CSS 0xB /* channel subsystem */ |
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#define CRW_ERC_EVENT 0x00 /* event information pending */ |
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#define CRW_ERC_AVAIL 0x01 /* available */ |
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#define CRW_ERC_INIT 0x02 /* initialized */ |
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#define CRW_ERC_TERROR 0x03 /* temporary error */ |
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#define CRW_ERC_IPARM 0x04 /* installed parm initialized */ |
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#define CRW_ERC_TERM 0x05 /* terminal */ |
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#define CRW_ERC_PERRN 0x06 /* perm. error, fac. not init */ |
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#define CRW_ERC_PERRI 0x07 /* perm. error, facility init */ |
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#define CRW_ERC_PMOD 0x08 /* installed parameters modified */ |
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#endif /* _ASM_S390_CRW_H */
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