/* 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 */
|
