1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Auxtrace support for s390 CPU measurement sampling facility 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright IBM Corp. 2018 6*4882a593Smuzhiyun * Author(s): Hendrik Brueckner <brueckner@linux.ibm.com> 7*4882a593Smuzhiyun * Thomas Richter <tmricht@linux.ibm.com> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun #ifndef S390_CPUMSF_KERNEL_H 10*4882a593Smuzhiyun #define S390_CPUMSF_KERNEL_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define S390_CPUMSF_PAGESZ 4096 /* Size of sample block units */ 13*4882a593Smuzhiyun #define S390_CPUMSF_DIAG_DEF_FIRST 0x8001 /* Diagnostic entry lowest id */ 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun struct hws_basic_entry { 16*4882a593Smuzhiyun unsigned int def:16; /* 0-15 Data Entry Format */ 17*4882a593Smuzhiyun unsigned int R:4; /* 16-19 reserved */ 18*4882a593Smuzhiyun unsigned int U:4; /* 20-23 Number of unique instruct. */ 19*4882a593Smuzhiyun unsigned int z:2; /* zeros */ 20*4882a593Smuzhiyun unsigned int T:1; /* 26 PSW DAT mode */ 21*4882a593Smuzhiyun unsigned int W:1; /* 27 PSW wait state */ 22*4882a593Smuzhiyun unsigned int P:1; /* 28 PSW Problem state */ 23*4882a593Smuzhiyun unsigned int AS:2; /* 29-30 PSW address-space control */ 24*4882a593Smuzhiyun unsigned int I:1; /* 31 entry valid or invalid */ 25*4882a593Smuzhiyun unsigned int CL:2; /* 32-33 Configuration Level */ 26*4882a593Smuzhiyun unsigned int:14; 27*4882a593Smuzhiyun unsigned int prim_asn:16; /* primary ASN */ 28*4882a593Smuzhiyun unsigned long long ia; /* Instruction Address */ 29*4882a593Smuzhiyun unsigned long long gpp; /* Guest Program Parameter */ 30*4882a593Smuzhiyun unsigned long long hpp; /* Host Program Parameter */ 31*4882a593Smuzhiyun }; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun struct hws_diag_entry { 34*4882a593Smuzhiyun unsigned int def:16; /* 0-15 Data Entry Format */ 35*4882a593Smuzhiyun unsigned int R:15; /* 16-19 and 20-30 reserved */ 36*4882a593Smuzhiyun unsigned int I:1; /* 31 entry valid or invalid */ 37*4882a593Smuzhiyun u8 data[]; /* Machine-dependent sample data */ 38*4882a593Smuzhiyun }; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun struct hws_combined_entry { 41*4882a593Smuzhiyun struct hws_basic_entry basic; /* Basic-sampling data entry */ 42*4882a593Smuzhiyun struct hws_diag_entry diag; /* Diagnostic-sampling data entry */ 43*4882a593Smuzhiyun }; 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun struct hws_trailer_entry { 46*4882a593Smuzhiyun union { 47*4882a593Smuzhiyun struct { 48*4882a593Smuzhiyun unsigned int f:1; /* 0 - Block Full Indicator */ 49*4882a593Smuzhiyun unsigned int a:1; /* 1 - Alert request control */ 50*4882a593Smuzhiyun unsigned int t:1; /* 2 - Timestamp format */ 51*4882a593Smuzhiyun unsigned int:29; /* 3 - 31: Reserved */ 52*4882a593Smuzhiyun unsigned int bsdes:16; /* 32-47: size of basic SDE */ 53*4882a593Smuzhiyun unsigned int dsdes:16; /* 48-63: size of diagnostic SDE */ 54*4882a593Smuzhiyun }; 55*4882a593Smuzhiyun unsigned long long flags; /* 0 - 64: All indicators */ 56*4882a593Smuzhiyun }; 57*4882a593Smuzhiyun unsigned long long overflow; /* 64 - sample Overflow count */ 58*4882a593Smuzhiyun unsigned char timestamp[16]; /* 16 - 31 timestamp */ 59*4882a593Smuzhiyun unsigned long long reserved1; /* 32 -Reserved */ 60*4882a593Smuzhiyun unsigned long long reserved2; /* */ 61*4882a593Smuzhiyun union { /* 48 - reserved for programming use */ 62*4882a593Smuzhiyun struct { 63*4882a593Smuzhiyun unsigned long long clock_base:1; /* in progusage2 */ 64*4882a593Smuzhiyun unsigned long long progusage1:63; 65*4882a593Smuzhiyun unsigned long long progusage2; 66*4882a593Smuzhiyun }; 67*4882a593Smuzhiyun unsigned long long progusage[2]; 68*4882a593Smuzhiyun }; 69*4882a593Smuzhiyun }; 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun #endif 72