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authorPetr Tesarik <ptesarik@suse.cz>2019-07-19 17:10:24 +0200
committerPetr Tesarik <ptesarik@suse.cz>2019-07-19 17:10:46 +0200
commit5f4ba4689ebbea5633647c1777807cfbc4bfab8a (patch)
tree5d7509f30ff9e7d2ddf9d664355420be951f50da
parent05b5b603ead35f146c343e30672e1af3a0a4abae (diff)
s390/cpum_cf: move counter set controls to a new header file
-rw-r--r--arch/s390/include/asm/cpu_mcf.h52
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c45
-rw-r--r--arch/s390/kernel/perf_cpum_cf_events.c1
3 files changed, 56 insertions, 42 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/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index 1723778c535d..1af185d3c00c 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -13,52 +13,13 @@
#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 {
@@ -138,7 +99,7 @@ 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)))
@@ -163,7 +124,7 @@ 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 e1812cfeeebb..86198b1f2619 100644
--- a/arch/s390/kernel/perf_cpum_cf_events.c
+++ b/arch/s390/kernel/perf_cpum_cf_events.c
@@ -5,6 +5,7 @@
#include <linux/slab.h>
#include <linux/perf_event.h>
+#include <asm/cpu_mf.h>
/* BEGIN: CPUM_CF COUNTER DEFINITIONS =================================== */