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