LXR linux/tools/perf/util/s390-cpumsf-kernel.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Auxtrace support for s390 CPU measurement sampling facility
   4 *
   5 *  Copyright IBM Corp. 2018
   6 *  Author(s): Hendrik Brueckner <brueckner@linux.ibm.com>
   7 *             Thomas Richter <tmricht@linux.ibm.com>
   8 */
   9#ifndef S390_CPUMSF_KERNEL_H
  10#define S390_CPUMSF_KERNEL_H
  11
  12#define S390_CPUMSF_PAGESZ      4096    /* Size of sample block units */
  13#define S390_CPUMSF_DIAG_DEF_FIRST      0x8001  /* Diagnostic entry lowest id */
  14
  15struct hws_basic_entry {
  16        unsigned int def:16;        /* 0-15  Data Entry Format           */
  17        unsigned int R:4;           /* 16-19 reserved                    */
  18        unsigned int U:4;           /* 20-23 Number of unique instruct.  */
  19        unsigned int z:2;           /* zeros                             */
  20        unsigned int T:1;           /* 26 PSW DAT mode                   */
  21        unsigned int W:1;           /* 27 PSW wait state                 */
  22        unsigned int P:1;           /* 28 PSW Problem state              */
  23        unsigned int AS:2;          /* 29-30 PSW address-space control   */
  24        unsigned int I:1;           /* 31 entry valid or invalid         */
  25        unsigned int CL:2;          /* 32-33 Configuration Level         */
  26        unsigned int:14;
  27        unsigned int prim_asn:16;   /* primary ASN                       */
  28        unsigned long long ia;      /* Instruction Address               */
  29        unsigned long long gpp;     /* Guest Program Parameter           */
  30        unsigned long long hpp;     /* Host Program Parameter            */
  31};
  32
  33struct hws_diag_entry {
  34        unsigned int def:16;        /* 0-15  Data Entry Format           */
  35        unsigned int R:15;          /* 16-19 and 20-30 reserved          */
  36        unsigned int I:1;           /* 31 entry valid or invalid         */
  37        u8           data[];        /* Machine-dependent sample data     */
  38};
  39
  40struct hws_combined_entry {
  41        struct hws_basic_entry  basic;  /* Basic-sampling data entry */
  42        struct hws_diag_entry   diag;   /* Diagnostic-sampling data entry */
  43};
  44
  45struct hws_trailer_entry {
  46        union {
  47                struct {
  48                        unsigned int f:1;       /* 0 - Block Full Indicator   */
  49                        unsigned int a:1;       /* 1 - Alert request control  */
  50                        unsigned int t:1;       /* 2 - Timestamp format       */
  51                        unsigned int:29;        /* 3 - 31: Reserved           */
  52                        unsigned int bsdes:16;  /* 32-47: size of basic SDE   */
  53                        unsigned int dsdes:16;  /* 48-63: size of diagnostic SDE */
  54                };
  55                unsigned long long flags;       /* 0 - 64: All indicators     */
  56        };
  57        unsigned long long overflow;     /* 64 - sample Overflow count        */
  58        unsigned char timestamp[16];     /* 16 - 31 timestamp                 */
  59        unsigned long long reserved1;    /* 32 -Reserved                      */
  60        unsigned long long reserved2;    /*                                   */
  61        union {                          /* 48 - reserved for programming use */
  62                struct {
  63                        unsigned long long clock_base:1; /* in progusage2 */
  64                        unsigned long long progusage1:63;
  65                        unsigned long long progusage2;
  66                };
  67                unsigned long long progusage[2];
  68        };
  69};
  70
  71#endif
  72