diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/s390/include/asm/cpu_mcf.h | 52 | ||||
-rw-r--r-- | arch/s390/include/asm/perf_event.h | 1 | ||||
-rw-r--r-- | arch/s390/kernel/perf_cpum_cf.c | 45 | ||||
-rw-r--r-- | arch/s390/kernel/perf_cpum_cf_events.c | 1 |
4 files changed, 56 insertions, 43 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 diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index d5523adeddbf..66d945d5589b 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -10,52 +10,13 @@ #include <linux/kernel.h> #include <linux/kernel_stat.h> -#include <linux/perf_event.h> #include <linux/percpu.h> #include <linux/notifier.h> #include <linux/init.h> #include <linux/export.h> #include <asm/ctl_reg.h> #include <asm/irq.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_state_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 void ctr_set_enable(u64 *state, int ctr_set) -{ - *state |= cpumf_state_ctl[ctr_set] << CPUMF_LCCTL_ENABLE_SHIFT; -} -static void ctr_set_disable(u64 *state, int ctr_set) -{ - *state &= ~(cpumf_state_ctl[ctr_set] << CPUMF_LCCTL_ENABLE_SHIFT); -} -static void ctr_set_start(u64 *state, int ctr_set) -{ - *state |= cpumf_state_ctl[ctr_set] << CPUMF_LCCTL_ACTCTL_SHIFT; -} -static void ctr_set_stop(u64 *state, int ctr_set) -{ - *state &= ~(cpumf_state_ctl[ctr_set] << CPUMF_LCCTL_ACTCTL_SHIFT); -} +#include <asm/cpu_mcf.h> /* Local CPUMF event structure */ struct cpu_hw_events { @@ -135,7 +96,7 @@ static int validate_ctr_version(const struct hw_perf_event *hwc) * Thus, the counters can only be used if SMT is on and the * counter set is enabled and active. */ - mtdiag_ctl = cpumf_state_ctl[CPUMF_CTR_SET_MT_DIAG]; + mtdiag_ctl = cpumf_ctr_ctl[CPUMF_CTR_SET_MT_DIAG]; if (!((cpuhw->info.auth_ctl & mtdiag_ctl) && (cpuhw->info.enable_ctl & mtdiag_ctl) && (cpuhw->info.act_ctl & mtdiag_ctl))) @@ -160,7 +121,7 @@ static int validate_ctr_auth(const struct hw_perf_event *hwc) * return with -ENOENT in order to fall back to other * PMUs that might suffice the event request. */ - ctrs_state = cpumf_state_ctl[hwc->config_base]; + ctrs_state = cpumf_ctr_ctl[hwc->config_base]; if (!(ctrs_state & cpuhw->info.auth_ctl)) err = -ENOENT; diff --git a/arch/s390/kernel/perf_cpum_cf_events.c b/arch/s390/kernel/perf_cpum_cf_events.c index d63fb3c56b8a..b45238c89728 100644 --- a/arch/s390/kernel/perf_cpum_cf_events.c +++ b/arch/s390/kernel/perf_cpum_cf_events.c @@ -6,6 +6,7 @@ #include <linux/slab.h> #include <linux/perf_event.h> +#include <asm/cpu_mf.h> /* BEGIN: CPUM_CF COUNTER DEFINITIONS =================================== */ |