LXR linux/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
  15struct cf_ctrset_entry {        /* CPU-M CF counter set entry (8 byte) */
  16        unsigned int def:16;    /* 0-15  Data Entry Format */
  17        unsigned int set:16;    /* 16-23 Counter set identifier */
  18        unsigned int ctr:16;    /* 24-39 Number of stored counters */
  19        unsigned int res1:16;   /* 40-63 Reserved */
  20};
  21
  22struct cf_trailer_entry {       /* CPU-M CF trailer for raw traces (64 byte) */
  23        /* 0 - 7 */
  24        union {
  25                struct {
  26                        unsigned int clock_base:1;      /* TOD clock base */
  27                        unsigned int speed:1;           /* CPU speed */
  28                        /* Measurement alerts */
  29                        unsigned int mtda:1;    /* Loss of MT ctr. data alert */
  30                        unsigned int caca:1;    /* Counter auth. change alert */
  31                        unsigned int lcda:1;    /* Loss of counter data alert */
  32                };
  33                unsigned long flags;            /* 0-63    All indicators */
  34        };
  35        /* 8 - 15 */
  36        unsigned int cfvn:16;                   /* 64-79   Ctr First Version */
  37        unsigned int csvn:16;                   /* 80-95   Ctr Second Version */
  38        unsigned int cpu_speed:32;              /* 96-127  CPU speed */
  39        /* 16 - 23 */
  40        unsigned long timestamp;                /* 128-191 Timestamp (TOD) */
  41        /* 24 - 55 */
  42        union {
  43                struct {
  44                        unsigned long progusage1;
  45                        unsigned long progusage2;
  46                        unsigned long progusage3;
  47                        unsigned long tod_base;
  48                };
  49                unsigned long progusage[4];
  50        };
  51        /* 56 - 63 */
  52        unsigned int mach_type:16;              /* Machine type */
  53        unsigned int res1:16;                   /* Reserved */
  54        unsigned int res2:32;                   /* Reserved */
  55};
  56
  57#define CPUMF_CTR_SET_BASIC     0       /* Basic Counter Set */
  58#define CPUMF_CTR_SET_USER      1       /* Problem-State Counter Set */
  59#define CPUMF_CTR_SET_CRYPTO    2       /* Crypto-Activity Counter Set */
  60#define CPUMF_CTR_SET_EXT       3       /* Extended Counter Set */
  61#define CPUMF_CTR_SET_MT_DIAG   4       /* MT-diagnostic Counter Set */
  62#endif
  63