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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2ab59de7c5
Replace the current semi-arbitrary distribution of inline assemblies: - Inline assemblies used by CIO go into ioasm.h - Data definitions used by inline assemblies go into cio.h Beyond cleaning up the current structure this is also required for use of tracepoints in inline assemblies introduced by a follow-on patch. Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*
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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 <adlung@de.ibm.com>,
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* Martin Schwidefsky <schwidefsky@de.ibm.com>,
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* Cornelia Huck <cornelia.huck@de.ibm.com>,
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* Heiko Carstens <heiko.carstens@de.ibm.com>,
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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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