drivers/s390/s390mach.h

   1 /*
   2  *  drivers/s390/s390mach.h
   3  *   S/390 data definitions for machine check processing
   4  *
   5  *  S390 version
   6  *    Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
   7  *    Author(s): Ingo Adlung (adlung@de.ibm.com)
   8  */
   9
  10 #ifndef __s390mach_h
  11 #define __s390mach_h
  12
  13 #include <asm/types.h>
  14
  15 struct mci {
  16         __u32   sd              :  1; /* 00 system damage */
  17         __u32   pd              :  1; /* 01 instruction-processing damage */
  18         __u32   sr              :  1; /* 02 system recovery */
  19         __u32   to_be_defined_1 :  4; /* 03-06 */
  20         __u32   dg              :  1; /* 07 degradation */
  21         __u32   w               :  1; /* 08 warning pending */
  22         __u32   cp              :  1; /* 09 channel-report pending */
  23         __u32   to_be_defined_2 :  6; /* 10-15 */
  24         __u32   se              :  1; /* 16 storage error uncorrected */
  25         __u32   sc              :  1; /* 17 storage error corrected */
  26         __u32   ke              :  1; /* 18 storage-key error uncorrected */
  27         __u32   ds              :  1; /* 19 storage degradation */
  28         __u32   to_be_defined_3 :  4; /* 20-23 */
  29         __u32   fa              :  1; /* 24 failing storage address validity */
  30         __u32   to_be_defined_4 :  7; /* 25-31 */
  31         __u32   ie              :  1; /* 32 indirect storage error */
  32         __u32   to_be_defined_5 : 31; /* 33-63 */
  33 };
  34
  35 /*
  36  * Channel Report Word
  37  */
  38 struct crw {
  39         __u32 res1    :  1;   /* reserved zero */
  40         __u32 slct    :  1;   /* solicited */
  41         __u32 oflw    :  1;   /* overflow */
  42         __u32 chn     :  1;   /* chained */
  43         __u32 rsc     :  4;   /* reporting source code */
  44         __u32 anc     :  1;   /* ancillary report */
  45         __u32 res2    :  1;   /* reserved zero */
  46         __u32 erc     :  6;   /* error-recovery code */
  47         __u32 rsid    : 16;   /* reporting-source ID */
  48 } __attribute__ ((packed));
  49
  50 #define CRW_RSC_MONITOR  0x2  /* monitoring facility */
  51 #define CRW_RSC_SCH      0x3  /* subchannel */
  52 #define CRW_RSC_CPATH    0x4  /* channel path */
  53 #define CRW_RSC_CONFIG   0x9  /* configuration-alert facility */
  54 #define CRW_RSC_CSS      0xB  /* channel subsystem */
  55
  56 #define CRW_ERC_EVENT    0x00 /* event information pending */
  57 #define CRW_ERC_AVAIL    0x01 /* available */
  58 #define CRW_ERC_INIT     0x02 /* initialized */
  59 #define CRW_ERC_TERROR   0x03 /* temporary error */
  60 #define CRW_ERC_IPARM    0x04 /* installed parm initialized */
  61 #define CRW_ERC_TERM     0x05 /* terminal */
  62 #define CRW_ERC_PERRN    0x06 /* perm. error, fac. not init */
  63 #define CRW_ERC_PERRI    0x07 /* perm. error, facility init */
  64 #define CRW_ERC_PMOD     0x08 /* installed parameters modified */
  65
  66 extern __inline__ int stcrw(struct crw *pcrw )
  67 {
  68         int ccode;
  69
  70         __asm__ __volatile__(
  71                 "STCRW 0(%1)\n\t"
  72                 "IPM %0\n\t"
  73                 "SRL %0,28\n\t"
  74                 : "=d" (ccode) : "a" (pcrw)
  75                 : "cc", "1" );
  76         return ccode;
  77 }
  78
  79 #endif /* __s390mach */