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/* 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
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