/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Auxtrace support for s390 CPU measurement sampling facility
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*
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* Copyright IBM Corp. 2018
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* Author(s): Hendrik Brueckner <brueckner@linux.ibm.com>
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* Thomas Richter <tmricht@linux.ibm.com>
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*/
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#ifndef S390_CPUMSF_KERNEL_H
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#define S390_CPUMSF_KERNEL_H
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#define S390_CPUMSF_PAGESZ 4096 /* Size of sample block units */
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#define S390_CPUMSF_DIAG_DEF_FIRST 0x8001 /* Diagnostic entry lowest id */
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struct hws_basic_entry {
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unsigned int def:16; /* 0-15 Data Entry Format */
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unsigned int R:4; /* 16-19 reserved */
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unsigned int U:4; /* 20-23 Number of unique instruct. */
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unsigned int z:2; /* zeros */
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unsigned int T:1; /* 26 PSW DAT mode */
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unsigned int W:1; /* 27 PSW wait state */
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unsigned int P:1; /* 28 PSW Problem state */
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unsigned int AS:2; /* 29-30 PSW address-space control */
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unsigned int I:1; /* 31 entry valid or invalid */
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unsigned int CL:2; /* 32-33 Configuration Level */
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unsigned int:14;
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unsigned int prim_asn:16; /* primary ASN */
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unsigned long long ia; /* Instruction Address */
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unsigned long long gpp; /* Guest Program Parameter */
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unsigned long long hpp; /* Host Program Parameter */
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};
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struct hws_diag_entry {
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unsigned int def:16; /* 0-15 Data Entry Format */
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unsigned int R:15; /* 16-19 and 20-30 reserved */
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unsigned int I:1; /* 31 entry valid or invalid */
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u8 data[]; /* Machine-dependent sample data */
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};
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struct hws_combined_entry {
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struct hws_basic_entry basic; /* Basic-sampling data entry */
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struct hws_diag_entry diag; /* Diagnostic-sampling data entry */
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};
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struct hws_trailer_entry {
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union {
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struct {
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unsigned int f:1; /* 0 - Block Full Indicator */
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unsigned int a:1; /* 1 - Alert request control */
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unsigned int t:1; /* 2 - Timestamp format */
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unsigned int:29; /* 3 - 31: Reserved */
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unsigned int bsdes:16; /* 32-47: size of basic SDE */
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unsigned int dsdes:16; /* 48-63: size of diagnostic SDE */
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};
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unsigned long long flags; /* 0 - 64: All indicators */
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};
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unsigned long long overflow; /* 64 - sample Overflow count */
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unsigned char timestamp[16]; /* 16 - 31 timestamp */
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unsigned long long reserved1; /* 32 -Reserved */
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unsigned long long reserved2; /* */
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union { /* 48 - reserved for programming use */
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struct {
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unsigned long long clock_base:1; /* in progusage2 */
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unsigned long long progusage1:63;
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unsigned long long progusage2;
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};
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unsigned long long progusage[2];
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};
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};
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#endif
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