diff options
| author | Hendrik Brueckner <brueckner@linux.ibm.com> | 2018-08-06 15:56:43 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-02-22 09:19:46 +0100 |
| commit | 30e145f811428e1a96738fbc1f98ccc91f412d93 (patch) | |
| tree | b2bbfc2f7c875e026ba1ca73fcdc9d59dc0026f3 /arch/s390/include | |
| parent | f1777625c5aa5c94274d5190084a54ca1d35d9bb (diff) | |
s390/cpum_cf: move counter set controls to a new header file
Move counter set specific controls and functions to the asm/cpu_mcf.h
header file containg all counter facility support definitions. Also
adapt few variable names and header file includes. No functional changes.
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.h | 52 | ||||
| -rw-r--r-- | arch/s390/include/asm/perf_event.h | 1 |
2 files changed, 52 insertions, 1 deletions
diff --git a/arch/s390/include/asm/cpu_mcf.h b/arch/s390/include/asm/cpu_mcf.h new file mode 100644 index 000000000000..b6e73fbf87d0 --- /dev/null +++ b/arch/s390/include/asm/cpu_mcf.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Counter facility support definitions for the Linux perf + * + * Copyright IBM Corp. 2019 + * Author(s): Hendrik Brueckner <brueckner@linux.ibm.com> + */ +#ifndef _ASM_S390_CPU_MCF_H +#define _ASM_S390_CPU_MCF_H + +#include <linux/perf_event.h> +#include <asm/cpu_mf.h> + +enum cpumf_ctr_set { + CPUMF_CTR_SET_BASIC = 0, /* Basic Counter Set */ + CPUMF_CTR_SET_USER = 1, /* Problem-State Counter Set */ + CPUMF_CTR_SET_CRYPTO = 2, /* Crypto-Activity Counter Set */ + CPUMF_CTR_SET_EXT = 3, /* Extended Counter Set */ + CPUMF_CTR_SET_MT_DIAG = 4, /* MT-diagnostic Counter Set */ + + /* Maximum number of counter sets */ + CPUMF_CTR_SET_MAX, +}; + +#define CPUMF_LCCTL_ENABLE_SHIFT 16 +#define CPUMF_LCCTL_ACTCTL_SHIFT 0 +static const u64 cpumf_ctr_ctl[CPUMF_CTR_SET_MAX] = { + [CPUMF_CTR_SET_BASIC] = 0x02, + [CPUMF_CTR_SET_USER] = 0x04, + [CPUMF_CTR_SET_CRYPTO] = 0x08, + [CPUMF_CTR_SET_EXT] = 0x01, + [CPUMF_CTR_SET_MT_DIAG] = 0x20, +}; + +static inline void ctr_set_enable(u64 *state, int ctr_set) +{ + *state |= cpumf_ctr_ctl[ctr_set] << CPUMF_LCCTL_ENABLE_SHIFT; +} +static inline void ctr_set_disable(u64 *state, int ctr_set) +{ + *state &= ~(cpumf_ctr_ctl[ctr_set] << CPUMF_LCCTL_ENABLE_SHIFT); +} +static inline void ctr_set_start(u64 *state, int ctr_set) +{ + *state |= cpumf_ctr_ctl[ctr_set] << CPUMF_LCCTL_ACTCTL_SHIFT; +} +static inline void ctr_set_stop(u64 *state, int ctr_set) +{ + *state &= ~(cpumf_ctr_ctl[ctr_set] << CPUMF_LCCTL_ACTCTL_SHIFT); +} + +#endif /* _ASM_S390_CPU_MCF_H */ diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h index b9c0e361748b..70240961df74 100644 --- a/arch/s390/include/asm/perf_event.h +++ b/arch/s390/include/asm/perf_event.h @@ -12,7 +12,6 @@ #include <linux/perf_event.h> #include <linux/device.h> -#include <asm/cpu_mf.h> /* Per-CPU flags for PMU states */ #define PMU_F_RESERVED 0x1000 |