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/* Copyright IBM Corp. 2022, 2024
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include "lib/libcpumf.h"
int libcpumf_ctrset(int ctr, int cfvn, int csvn)
{
/* Governs basic and problem state counters */
switch (cfvn) {
case 1:
if (ctr >= 0 && ctr < 32)
return CPUMF_CTRSET_BASIC;
if (ctr >= 32 && ctr < 38)
return CPUMF_CTRSET_PROBLEM_STATE;
break;
case 3:
if (ctr >= 0 && ctr < 32)
return CPUMF_CTRSET_BASIC;
if (ctr >= 32 && ctr < 34)
return CPUMF_CTRSET_PROBLEM_STATE;
break;
}
/* Governs crypto, extended and MT-Diagnositc counters */
switch (csvn) {
case 1 ... 5:
if (ctr >= 64 && ctr < 80)
return CPUMF_CTRSET_CRYPTO;
if ((csvn == 1 && ctr >= 128 && ctr < 160) ||
(csvn == 2 && ctr >= 128 && ctr < 176) ||
(ctr >= 128 && ctr < 256))
return CPUMF_CTRSET_EXTENDED;
break;
case 6 ... 8:
if (ctr >= 64 && ctr < 84)
return CPUMF_CTRSET_CRYPTO;
if (ctr >= 128 && ctr < 288)
return CPUMF_CTRSET_EXTENDED;
break;
}
if (csvn >= 3 && ctr >= 448 && ctr < 496)
return CPUMF_CTRSET_MT_DIAG;
return CPUMF_CTRSET_NONE;
}
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