11769Sjkh// SPDX-License-Identifier: GPL-2.0 21769Sjkh/* 31769Sjkh * Simple program to generate defines out of facility lists that use the bit 41769Sjkh * numbering scheme from the Princples of Operations: most significant bit 51769Sjkh * has bit number 0. 61769Sjkh * 71769Sjkh * Copyright IBM Corp. 2015, 2018 81769Sjkh * 91769Sjkh */ 101769Sjkh 111769Sjkh#include <strings.h> 121769Sjkh#include <string.h> 131769Sjkh#include <stdlib.h> 141769Sjkh#include <stdio.h> 151769Sjkh 161769Sjkhstruct facility_def { 171769Sjkh char *name; 181769Sjkh int *bits; 191769Sjkh}; 201769Sjkh 211769Sjkhstatic struct facility_def facility_defs[] = { 221769Sjkh { 231769Sjkh /* 241769Sjkh * FACILITIES_ALS contains the list of facilities that are 251769Sjkh * required to run a kernel that is compiled e.g. with 261769Sjkh * -march=<machine>. 271769Sjkh */ 281769Sjkh .name = "FACILITIES_ALS", 291769Sjkh .bits = (int[]){ 301769Sjkh 0, /* N3 instructions */ 311769Sjkh 1, /* z/Arch mode installed */ 321769Sjkh 18, /* long displacement facility */ 3351237Speter 21, /* extended-immediate facility */ 34130151Sschweikh 25, /* store clock fast */ 351769Sjkh 27, /* mvcos */ 363876Sache 32, /* compare and swap and store */ 373876Sache 33, /* compare and swap and store 2 */ 3875786Sache 34, /* general instructions extension */ 3975786Sache 35, /* execute extensions */ 4075786Sache#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES 4175786Sache 45, /* fast-BCR, etc. */ 4275786Sache#endif 4375786Sache#ifdef CONFIG_HAVE_MARCH_ZEC12_FEATURES 443120Sache 49, /* misc-instruction-extensions */ 455559Sache 52, /* interlocked facility 2 */ 4675786Sache#endif 4762284Sache#ifdef CONFIG_HAVE_MARCH_Z13_FEATURES 481769Sjkh 53, /* load-and-zero-rightmost-byte, etc. */ 4975786Sache 129, /* vector */ 5081669Sache#endif 5181669Sache#ifdef CONFIG_HAVE_MARCH_Z14_FEATURES 5286793Sache 58, /* miscellaneous-instruction-extension 2 */ 533876Sache#endif 5486793Sache#ifdef CONFIG_HAVE_MARCH_Z15_FEATURES 553876Sache 61, /* miscellaneous-instruction-extension 3 */ 563623Sache#endif 5763728Sache -1 /* END */ 5862284Sache } 5962284Sache }, 6062284Sache { 6162284Sache /* 6262284Sache * FACILITIES_KVM contains the list of facilities that are part 6362284Sache * of the default facility mask and list that are passed to the 6462284Sache * initial CPU model. If no CPU model is used, this, together 6562284Sache * with the non-hypervisor managed bits, is the maximum list of 661769Sjkh * guest facilities supported by KVM. 677708Srgrimes */ 683623Sache .name = "FACILITIES_KVM", 693623Sache .bits = (int[]){ 7062284Sache 0, /* N3 instructions */ 7162284Sache 1, /* z/Arch mode installed */ 7262284Sache 2, /* z/Arch mode active */ 7362284Sache 3, /* DAT-enhancement */ 74194107Sedwin 4, /* idte segment table */ 75194107Sedwin 5, /* idte region table */ 76194107Sedwin 6, /* ASN-and-LX reuse */ 77194107Sedwin 7, /* stfle */ 78194107Sedwin 8, /* enhanced-DAT 1 */ 79194107Sedwin 9, /* sense-running-status */ 80194107Sedwin 10, /* conditional sske */ 81194107Sedwin 13, /* ipte-range */ 82194107Sedwin 14, /* nonquiescing key-setting */ 83194107Sedwin 73, /* transactional execution */ 84194107Sedwin 75, /* access-exception-fetch/store indication */ 8575717Sache 76, /* msa extension 3 */ 8675717Sache 77, /* msa extension 4 */ 8786791Sache 78, /* enhanced-DAT 2 */ 8865073Sache 130, /* instruction-execution-protection */ 8975717Sache 131, /* enhanced-SOP 2 and side-effect */ 9063728Sache 139, /* multiple epoch facility */ 9175717Sache 146, /* msa extension 8 */ 9262284Sache 150, /* enhanced sort */ 9375717Sache 151, /* deflate conversion */ 9462284Sache 155, /* msa extension 9 */ 9575717Sache -1 /* END */ 9662284Sache } 9775717Sache }, 9862284Sache { 9975717Sache /* 1003132Sache * FACILITIES_KVM_CPUMODEL contains the list of facilities 10175717Sache * that can be enabled by CPU model code if the host supports 1023623Sache * it. These facilities are not passed to the guest without 10375717Sache * CPU model support. 10462284Sache */ 10575717Sache 10662284Sache .name = "FACILITIES_KVM_CPUMODEL", 107194107Sedwin .bits = (int[]){ 108194107Sedwin 12, /* AP Query Configuration Information */ 109194107Sedwin 15, /* AP Facilities Test */ 110194107Sedwin 156, /* etoken facility */ 111194107Sedwin 165, /* nnpa facility */ 112194107Sedwin 193, /* bear enhancement facility */ 113194107Sedwin 194, /* rdp enhancement facility */ 114194107Sedwin 196, /* processor activity instrumentation facility */ 115194107Sedwin 197, /* processor activity instrumentation extension 1 */ 116194107Sedwin -1 /* END */ 117194107Sedwin } 118194107Sedwin }, 119194107Sedwin}; 120194107Sedwin 121194107Sedwinstatic void print_facility_list(struct facility_def *def) 122194107Sedwin{ 123194107Sedwin unsigned int high, bit, dword, i; 124194107Sedwin unsigned long long *array; 125194107Sedwin 126194107Sedwin array = calloc(1, 8); 127194107Sedwin if (!array) 128194107Sedwin exit(EXIT_FAILURE); 12962284Sache high = 0; 13062284Sache for (i = 0; def->bits[i] != -1; i++) { 13186791Sache bit = 63 - (def->bits[i] & 63); 13262284Sache dword = def->bits[i] / 64; 13362284Sache if (dword > high) { 13463728Sache array = realloc(array, (dword + 1) * 8); 13562284Sache if (!array) 13662284Sache exit(EXIT_FAILURE); 13762284Sache memset(array + high + 1, 0, (dword - high) * 8); 13862284Sache high = dword; 13962284Sache } 14062284Sache array[dword] |= 1ULL << bit; 14162284Sache } 14262284Sache printf("#define %s ", def->name); 14362284Sache for (i = 0; i <= high; i++) 14462284Sache printf("_AC(0x%016llx,UL)%c", array[i], i < high ? ',' : '\n'); 14562284Sache free(array); 14662284Sache} 14762284Sache 14862284Sachestatic void print_facility_lists(void) 14962284Sache{ 15062284Sache unsigned int i; 15162284Sache 1523623Sache for (i = 0; i < sizeof(facility_defs) / sizeof(facility_defs[0]); i++) 15386791Sache print_facility_list(&facility_defs[i]); 1543876Sache} 1553623Sache 15663728Sacheint main(int argc, char **argv) 15762284Sache{ 15862284Sache printf("#ifndef __ASM_S390_FACILITY_DEFS__\n"); 15962284Sache printf("#define __ASM_S390_FACILITY_DEFS__\n"); 16062284Sache printf("/*\n"); 16162284Sache printf(" * DO NOT MODIFY.\n"); 16262284Sache printf(" *\n"); 16362284Sache printf(" * This file was generated by %s\n", __FILE__); 16462284Sache printf(" */\n\n"); 1653623Sache printf("#include <linux/const.h>\n\n"); 1663132Sache print_facility_lists(); 1673623Sache printf("\n#endif\n"); 1683623Sache return 0; 16962284Sache} 17062284Sache