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| author | Hendrik Brueckner <brueckner@linux.ibm.com> | 2018-10-26 09:48:29 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-02-22 09:19:55 +0100 |
| commit | 86c0b75715e711c035ae0ed9820ae95f14fe2c0d (patch) | |
| tree | 80dd9484b2e48dd4223a41742de1ad174f88ab54 /arch/s390 | |
| parent | 7f5ac1a02242b6d100b6f788dffa9e8681983ee1 (diff) | |
| download | linux-86c0b75715e711c035ae0ed9820ae95f14fe2c0d.tar.bz2 | |
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')
| -rw-r--r-- | arch/s390/include/asm/cpu_mcf.h | 19 |
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 7121365a85d9..0c236d1a7aee 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]; |