forked from Minki/linux
e5854a5839
Add a new attribute to the channel-path sysfs directory through which channel-path configure operations can be triggered. Also listen for hardware events requesting channel-path configure operations and process them accordingly. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/*
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* include/asm-s390/sclp.h
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*
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* Copyright IBM Corp. 2007
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* Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
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*/
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#ifndef _ASM_S390_SCLP_H
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#define _ASM_S390_SCLP_H
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#include <linux/types.h>
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#include <asm/chpid.h>
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struct sccb_header {
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u16 length;
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u8 function_code;
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u8 control_mask[3];
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u16 response_code;
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} __attribute__((packed));
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#define LOADPARM_LEN 8
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struct sclp_readinfo_sccb {
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struct sccb_header header; /* 0-7 */
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u16 rnmax; /* 8-9 */
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u8 rnsize; /* 10 */
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u8 _reserved0[24 - 11]; /* 11-23 */
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u8 loadparm[LOADPARM_LEN]; /* 24-31 */
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u8 _reserved1[91 - 32]; /* 32-90 */
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u8 flags; /* 91 */
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u8 _reserved2[100 - 92]; /* 92-99 */
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u32 rnsize2; /* 100-103 */
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u64 rnmax2; /* 104-111 */
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u8 _reserved3[4096 - 112]; /* 112-4095 */
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} __attribute__((packed, aligned(4096)));
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#define SCLP_CHP_INFO_MASK_SIZE 32
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struct sclp_chp_info {
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u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
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u8 standby[SCLP_CHP_INFO_MASK_SIZE];
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u8 configured[SCLP_CHP_INFO_MASK_SIZE];
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};
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extern struct sclp_readinfo_sccb s390_readinfo_sccb;
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extern void sclp_readinfo_early(void);
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extern int sclp_chp_configure(struct chp_id chpid);
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extern int sclp_chp_deconfigure(struct chp_id chpid);
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extern int sclp_chp_read_info(struct sclp_chp_info *info);
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#endif /* _ASM_S390_SCLP_H */
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