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authorHendrik Brueckner <brueckner@linux.ibm.com>2018-10-26 07:48:29 (GMT)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2019-02-22 08:19:55 (GMT)
commit86c0b75715e711c035ae0ed9820ae95f14fe2c0d (patch)
tree80dd9484b2e48dd4223a41742de1ad174f88ab54 /arch/s390/include
parent7f5ac1a02242b6d100b6f788dffa9e8681983ee1 (diff)
s390/cpum_cf: add ctr_stcctm() function
Introduce the ctr_stcctm() function as wrapper function to extract counters from a particular counter set. Note that the counter set is part of the stcctm instruction opcode, few indirections are necessary to specify the counter set as variable. Signed-off-by: Hendrik Brueckner <brueckner@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/asm/cpu_mcf.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/s390/include/asm/cpu_mcf.h b/arch/s390/include/asm/cpu_mcf.h
index 7121365..0c236d1 100644
--- a/arch/s390/include/asm/cpu_mcf.h
+++ b/arch/s390/include/asm/cpu_mcf.h
@@ -49,6 +49,25 @@ static inline void ctr_set_stop(u64 *state, int ctr_set)
*state &= ~(cpumf_ctr_ctl[ctr_set] << CPUMF_LCCTL_ACTCTL_SHIFT);
}
+static inline int ctr_stcctm(enum cpumf_ctr_set set, u64 range, u64 *dest)
+{
+ switch (set) {
+ case CPUMF_CTR_SET_BASIC:
+ return stcctm(BASIC, range, dest);
+ case CPUMF_CTR_SET_USER:
+ return stcctm(PROBLEM_STATE, range, dest);
+ case CPUMF_CTR_SET_CRYPTO:
+ return stcctm(CRYPTO_ACTIVITY, range, dest);
+ case CPUMF_CTR_SET_EXT:
+ return stcctm(EXTENDED, range, dest);
+ case CPUMF_CTR_SET_MT_DIAG:
+ return stcctm(MT_DIAG_CLEARING, range, dest);
+ case CPUMF_CTR_SET_MAX:
+ return 3;
+ }
+ return 3;
+}
+
struct cpu_cf_events {
struct cpumf_ctr_info info;
atomic_t ctr_set[CPUMF_CTR_SET_MAX];

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