/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for s390 CPU measurement counter set diagnostic facility
 *
 * Copyright IBM Corp. 2019
   Author(s): Hendrik Brueckner <brueckner@linux.ibm.com>
 *              Thomas Richter <tmricht@linux.ibm.com>
 */
#ifndef S390_CPUMCF_KERNEL_H
#define S390_CPUMCF_KERNEL_H

#define S390_CPUMCF_DIAG_DEF    0xfeef  /* Counter diagnostic entry ID */
#define PERF_EVENT_CPUM_CF_DIAG 0xBC000 /* Event: Counter sets */
#define PERF_EVENT_CPUM_SF_DIAG 0xBD000 /* Event: Combined-sampling */
#define PERF_EVENT_PAI_CRYPTO_ALL       0x1000 /* Event: CRYPTO_ALL */
#define PERF_EVENT_PAI_NNPA_ALL 0x1800 /* Event: NNPA_ALL */

struct cf_ctrset_entry {        /* CPU-M CF counter set entry (8 byte) */
        unsigned int def:16;    /* 0-15  Data Entry Format */
        unsigned int set:16;    /* 16-23 Counter set identifier */
        unsigned int ctr:16;    /* 24-39 Number of stored counters */
        unsigned int res1:16;   /* 40-63 Reserved */
};

struct cf_trailer_entry {       /* CPU-M CF trailer for raw traces (64 byte) */
        /* 0 - 7 */
        union {
                struct {
                        unsigned int clock_base:1;      /* TOD clock base */
                        unsigned int speed:1;           /* CPU speed */
                        /* Measurement alerts */
                        unsigned int mtda:1;    /* Loss of MT ctr. data alert */
                        unsigned int caca:1;    /* Counter auth. change alert */
                        unsigned int lcda:1;    /* Loss of counter data alert */
                };
                unsigned long flags;            /* 0-63    All indicators */
        };
        /* 8 - 15 */
        unsigned int cfvn:16;                   /* 64-79   Ctr First Version */
        unsigned int csvn:16;                   /* 80-95   Ctr Second Version */
        unsigned int cpu_speed:32;              /* 96-127  CPU speed */
        /* 16 - 23 */
        unsigned long timestamp;                /* 128-191 Timestamp (TOD) */
        /* 24 - 55 */
        union {
                struct {
                        unsigned long progusage1;
                        unsigned long progusage2;
                        unsigned long progusage3;
                        unsigned long tod_base;
                };
                unsigned long progusage[4];
        };
        /* 56 - 63 */
        unsigned int mach_type:16;              /* Machine type */
        unsigned int res1:16;                   /* Reserved */
        unsigned int res2:32;                   /* Reserved */
};

#define CPUMF_CTR_SET_BASIC     0       /* Basic Counter Set */
#define CPUMF_CTR_SET_USER      1       /* Problem-State Counter Set */
#define CPUMF_CTR_SET_CRYPTO    2       /* Crypto-Activity Counter Set */
#define CPUMF_CTR_SET_EXT       3       /* Extended Counter Set */
#define CPUMF_CTR_SET_MT_DIAG   4       /* MT-diagnostic Counter Set */
#endif