tools/perf/util/s390-cpumcf-kernel.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Support for s390 CPU measurement counter set diagnostic facility
   4  *
   5  * Copyright IBM Corp. 2019
   6    Author(s): Hendrik Brueckner <brueckner@linux.ibm.com>
   7  *              Thomas Richter <tmricht@linux.ibm.com>
   8  */
   9 #ifndef S390_CPUMCF_KERNEL_H
  10 #define S390_CPUMCF_KERNEL_H
  11
  12 #define S390_CPUMCF_DIAG_DEF    0xfeef  /* Counter diagnostic entry ID */
  13 #define PERF_EVENT_CPUM_CF_DIAG 0xBC000 /* Event: Counter sets */
  14 #define PERF_EVENT_CPUM_SF_DIAG 0xBD000 /* Event: Combined-sampling */
  15
  16 struct cf_ctrset_entry {        /* CPU-M CF counter set entry (8 byte) */
  17         unsigned int def:16;    /* 0-15  Data Entry Format */
  18         unsigned int set:16;    /* 16-23 Counter set identifier */
  19         unsigned int ctr:16;    /* 24-39 Number of stored counters */
  20         unsigned int res1:16;   /* 40-63 Reserved */
  21 };
  22
  23 struct cf_trailer_entry {       /* CPU-M CF trailer for raw traces (64 byte) */
  24         /* 0 - 7 */
  25         union {
  26                 struct {
  27                         unsigned int clock_base:1;      /* TOD clock base */
  28                         unsigned int speed:1;           /* CPU speed */
  29                         /* Measurement alerts */
  30                         unsigned int mtda:1;    /* Loss of MT ctr. data alert */
  31                         unsigned int caca:1;    /* Counter auth. change alert */
  32                         unsigned int lcda:1;    /* Loss of counter data alert */
  33                 };
  34                 unsigned long flags;            /* 0-63    All indicators */
  35         };
  36         /* 8 - 15 */
  37         unsigned int cfvn:16;                   /* 64-79   Ctr First Version */
  38         unsigned int csvn:16;                   /* 80-95   Ctr Second Version */
  39         unsigned int cpu_speed:32;              /* 96-127  CPU speed */
  40         /* 16 - 23 */
  41         unsigned long timestamp;                /* 128-191 Timestamp (TOD) */
  42         /* 24 - 55 */
  43         union {
  44                 struct {
  45                         unsigned long progusage1;
  46                         unsigned long progusage2;
  47                         unsigned long progusage3;
  48                         unsigned long tod_base;
  49                 };
  50                 unsigned long progusage[4];
  51         };
  52         /* 56 - 63 */
  53         unsigned int mach_type:16;              /* Machine type */
  54         unsigned int res1:16;                   /* Reserved */
  55         unsigned int res2:32;                   /* Reserved */
  56 };
  57
  58 #define CPUMF_CTR_SET_BASIC     0       /* Basic Counter Set */
  59 #define CPUMF_CTR_SET_USER      1       /* Problem-State Counter Set */
  60 #define CPUMF_CTR_SET_CRYPTO    2       /* Crypto-Activity Counter Set */
  61 #define CPUMF_CTR_SET_EXT       3       /* Extended Counter Set */
  62 #define CPUMF_CTR_SET_MT_DIAG   4       /* MT-diagnostic Counter Set */
  63 #endif