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Diffstat (limited to 'arch/s390/include/asm/cpu_mcf.h')
-rw-r--r--arch/s390/include/asm/cpu_mcf.h112
1 files changed, 0 insertions, 112 deletions
diff --git a/arch/s390/include/asm/cpu_mcf.h b/arch/s390/include/asm/cpu_mcf.h
deleted file mode 100644
index f87a4788c19c..000000000000
--- a/arch/s390/include/asm/cpu_mcf.h
+++ /dev/null
@@ -1,112 +0,0 @@
-/* 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 inline void ctr_set_enable(u64 *state, u64 ctrsets)
-{
- *state |= ctrsets << CPUMF_LCCTL_ENABLE_SHIFT;
-}
-
-static inline void ctr_set_disable(u64 *state, u64 ctrsets)
-{
- *state &= ~(ctrsets << CPUMF_LCCTL_ENABLE_SHIFT);
-}
-
-static inline void ctr_set_start(u64 *state, u64 ctrsets)
-{
- *state |= ctrsets << CPUMF_LCCTL_ACTCTL_SHIFT;
-}
-
-static inline void ctr_set_stop(u64 *state, u64 ctrsets)
-{
- *state &= ~(ctrsets << 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];
- atomic64_t alert;
- u64 state; /* For perf_event_open SVC */
- u64 dev_state; /* For /dev/hwctr */
- unsigned int flags;
- size_t used; /* Bytes used in data */
- size_t usedss; /* Bytes used in start/stop */
- unsigned char start[PAGE_SIZE]; /* Counter set at event add */
- unsigned char stop[PAGE_SIZE]; /* Counter set at event delete */
- unsigned char data[PAGE_SIZE]; /* Counter set at /dev/hwctr */
- unsigned int sets; /* # Counter set saved in memory */
-};
-DECLARE_PER_CPU(struct cpu_cf_events, cpu_cf_events);
-
-bool kernel_cpumcf_avail(void);
-int __kernel_cpumcf_begin(void);
-unsigned long kernel_cpumcf_alert(int clear);
-void __kernel_cpumcf_end(void);
-
-static inline int kernel_cpumcf_begin(void)
-{
- if (!cpum_cf_avail())
- return -ENODEV;
-
- preempt_disable();
- return __kernel_cpumcf_begin();
-}
-static inline void kernel_cpumcf_end(void)
-{
- __kernel_cpumcf_end();
- preempt_enable();
-}
-
-/* Return true if store counter set multiple instruction is available */
-static inline int stccm_avail(void)
-{
- return test_facility(142);
-}
-
-size_t cpum_cf_ctrset_size(enum cpumf_ctr_set ctrset,
- struct cpumf_ctr_info *info);
-int cfset_online_cpu(unsigned int cpu);
-int cfset_offline_cpu(unsigned int cpu);
-#endif /* _ASM_S390_CPU_MCF_H */