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71 lines
2.5 KiB
71 lines
2.5 KiB
/* 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 <[email protected]> |
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* Thomas Richter <[email protected]> |
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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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