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86c58705bb
Add verbose error output for when unexpected i/o errors happen. This eases the
burden of debugging and reporting i/o errors. No error information is printed
in the success case, here is an example of what is output on error:
cio device error
ssid : 0x0000000000000000
cssid : 0x0000000000000000
sch_no: 0x0000000000000000
Interrupt Response Block Data:
Function Ctrl : [Start]
Activity Ctrl : [Start-Pending]
Status Ctrl : [Alert] [Primary] [Secondary] [Status-Pending]
Device Status : [Unit-Check]
Channel Status :
cpa=: 0x000000007f8d6038
prev_ccw=: 0x0000000000000000
this_ccw=: 0x0000000000000000
Eckd Dasd Sense Data (fmt 32-bytes):
Sense Condition Flags :
Residual Count =: 0x0000000000000000
Phys Drive ID =: 0x000000000000009e
low cyl address =: 0x0000000000000000
head addr & hi cyl =: 0x0000000000000000
format/message =: 0x0000000000000008
fmt-dependent[0-7] =: 0x0000000000000004
fmt-dependent[8-15]=: 0xe561282305082fff
prog action code =: 0x0000000000000016
Configuration info =: 0x00000000000040e0
mcode / hi-cyl =: 0x0000000000000000
cyl & head addr [0]=: 0x0000000000000000
cyl & head addr [1]=: 0x0000000000000000
cyl & head addr [2]=: 0x0000000000000000
The Sense Data section is currently only printed for ECKD DASD.
Signed-off-by: Jason J. Herne <jjherne@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <1554388475-18329-10-git-send-email-jjherne@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
/*
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* libc-style definitions and functions
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*
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* Copyright (c) 2013 Alexander Graf <agraf@suse.de>
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef S390_CCW_LIBC_H
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#define S390_CCW_LIBC_H
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typedef unsigned long size_t;
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typedef int bool;
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typedef unsigned char uint8_t;
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typedef unsigned short uint16_t;
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typedef unsigned int uint32_t;
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typedef unsigned long long uint64_t;
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static inline void *memset(void *s, int c, size_t n)
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{
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size_t i;
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unsigned char *p = s;
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for (i = 0; i < n; i++) {
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p[i] = c;
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}
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return s;
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}
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static inline void *memcpy(void *s1, const void *s2, size_t n)
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{
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uint8_t *dest = s1;
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const uint8_t *src = s2;
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size_t i;
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for (i = 0; i < n; i++) {
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dest[i] = src[i];
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}
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return s1;
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}
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static inline int memcmp(const void *s1, const void *s2, size_t n)
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{
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size_t i;
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const uint8_t *p1 = s1, *p2 = s2;
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for (i = 0; i < n; i++) {
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if (p1[i] != p2[i]) {
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return p1[i] > p2[i] ? 1 : -1;
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}
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}
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return 0;
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}
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static inline size_t strlen(const char *str)
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{
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size_t i;
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for (i = 0; *str; i++) {
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str++;
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}
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return i;
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}
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static inline char *strcat(char *dest, const char *src)
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{
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int i;
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char *dest_end = dest + strlen(dest);
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for (i = 0; i <= strlen(src); i++) {
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dest_end[i] = src[i];
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}
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return dest;
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}
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static inline int isdigit(int c)
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{
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return (c >= '0') && (c <= '9');
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}
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uint64_t atoui(const char *str);
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char *uitoa(uint64_t num, char *str, size_t len);
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#endif
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