5 files changed, 71 insertions, 0 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 03c64a0195df..13919eb96931 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -2483,6 +2483,33 @@ static int power_pmu_prepare_cpu(unsigned int cpu)
 	return 0;
 }
 
+static ssize_t pmu_name_show(struct device *cdev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	if (ppmu)
+		return sysfs_emit(buf, "%s", ppmu->name);
+
+	return 0;
+}
+
+static DEVICE_ATTR_RO(pmu_name);
+
+static struct attribute *pmu_caps_attrs[] = {
+	&dev_attr_pmu_name.attr,
+	NULL
+};
+
+static const struct attribute_group pmu_caps_group = {
+	.name  = "caps",
+	.attrs = pmu_caps_attrs,
+};
+
+static const struct attribute_group *pmu_caps_groups[] = {
+	&pmu_caps_group,
+	NULL,
+};
+
 int __init register_power_pmu(struct power_pmu *pmu)
 {
 	if (ppmu)
@@ -2493,6 +2520,10 @@ int __init register_power_pmu(struct power_pmu *pmu)
 		pmu->name);
 
 	power_pmu.attr_groups = ppmu->attr_groups;
+
+	if (ppmu->flags & PPMU_ARCH_207S)
+		power_pmu.attr_update = pmu_caps_groups;
+
 	power_pmu.capabilities |= (ppmu->capabilities & PERF_PMU_CAP_EXTENDED_REGS);
 
 #ifdef MSR_HV
diff --git a/arch/powerpc/perf/generic-compat-pmu.c b/arch/powerpc/perf/generic-compat-pmu.c
index 16392962c511..b5c414876ed5 100644
--- a/arch/powerpc/perf/generic-compat-pmu.c
+++ b/arch/powerpc/perf/generic-compat-pmu.c
@@ -151,9 +151,19 @@ static const struct attribute_group generic_compat_pmu_format_group = {
 	.attrs = generic_compat_pmu_format_attr,
 };
 
+static struct attribute *generic_compat_pmu_caps_attrs[] = {
+	NULL
+};
+
+static struct attribute_group generic_compat_pmu_caps_group = {
+	.name  = "caps",
+	.attrs = generic_compat_pmu_caps_attrs,
+};
+
 static const struct attribute_group *generic_compat_pmu_attr_groups[] = {
 	&generic_compat_pmu_format_group,
 	&generic_compat_pmu_events_group,
+	&generic_compat_pmu_caps_group,
 	NULL,
 };
 
diff --git a/arch/powerpc/perf/power10-pmu.c b/arch/powerpc/perf/power10-pmu.c
index c6d51e7093cf..d1adcd9f52e2 100644
--- a/arch/powerpc/perf/power10-pmu.c
+++ b/arch/powerpc/perf/power10-pmu.c
@@ -258,6 +258,15 @@ static const struct attribute_group power10_pmu_format_group = {
 	.attrs = power10_pmu_format_attr,
 };
 
+static struct attribute *power10_pmu_caps_attrs[] = {
+	NULL
+};
+
+static struct attribute_group power10_pmu_caps_group = {
+	.name  = "caps",
+	.attrs = power10_pmu_caps_attrs,
+};
+
 static const struct attribute_group *power10_pmu_attr_groups_dd1[] = {
 	&power10_pmu_format_group,
 	&power10_pmu_events_group_dd1,
@@ -267,6 +276,7 @@ static const struct attribute_group *power10_pmu_attr_groups_dd1[] = {
 static const struct attribute_group *power10_pmu_attr_groups[] = {
 	&power10_pmu_format_group,
 	&power10_pmu_events_group,
+	&power10_pmu_caps_group,
 	NULL,
 };
 
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c
index e37b1e714d2b..2518f5375d4a 100644
--- a/arch/powerpc/perf/power8-pmu.c
+++ b/arch/powerpc/perf/power8-pmu.c
@@ -187,9 +187,19 @@ static const struct attribute_group power8_pmu_events_group = {
 	.attrs = power8_events_attr,
 };
 
+static struct attribute *power8_pmu_caps_attrs[] = {
+	NULL
+};
+
+static struct attribute_group power8_pmu_caps_group = {
+	.name  = "caps",
+	.attrs = power8_pmu_caps_attrs,
+};
+
 static const struct attribute_group *power8_pmu_attr_groups[] = {
 	&isa207_pmu_format_group,
 	&power8_pmu_events_group,
+	&power8_pmu_caps_group,
 	NULL,
 };
 
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
index 3ad40ffb9256..bc6d76bce97b 100644
--- a/arch/powerpc/perf/power9-pmu.c
+++ b/arch/powerpc/perf/power9-pmu.c
@@ -258,9 +258,19 @@ static const struct attribute_group power9_pmu_format_group = {
 	.attrs = power9_pmu_format_attr,
 };
 
+static struct attribute *power9_pmu_caps_attrs[] = {
+	NULL
+};
+
+static struct attribute_group power9_pmu_caps_group = {
+	.name  = "caps",
+	.attrs = power9_pmu_caps_attrs,
+};
+
 static const struct attribute_group *power9_pmu_attr_groups[] = {
 	&power9_pmu_format_group,
 	&power9_pmu_events_group,
+	&power9_pmu_caps_group,
 	NULL,
 };