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