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drivers/perf: hisi: Define a symbol namespace for HiSilicon Uncore PMUs

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The HiSilicon Uncore PMU framework implements some common functions
and exported them to the drivers. Use a specific HISI_PMU namespace
for the exported symbols to avoid pollute the generic ones.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20241210141525.37788-2-yangyicong@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Yicong Yang 2024-12-10 22:15:16 +08:00 committed by Will Deacon
parent 5fcccba118
commit 41729809ac
8 changed files with 25 additions and 18 deletions
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1
drivers/perf/hisilicon/hisi_uncore_cpa_pmu.c
View File

@ -389,6 +389,7 @@ static void __exit hisi_cpa_pmu_module_exit(void)
}
module_exit(hisi_cpa_pmu_module_exit);
MODULE_IMPORT_NS("HISI_PMU");
MODULE_DESCRIPTION("HiSilicon SoC CPA PMU driver");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Qi Liu <liuqi115@huawei.com>");

1
drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
View File

@ -579,6 +579,7 @@ static void __exit hisi_ddrc_pmu_module_exit(void)
}
module_exit(hisi_ddrc_pmu_module_exit);
MODULE_IMPORT_NS("HISI_PMU");
MODULE_DESCRIPTION("HiSilicon SoC DDRC uncore PMU driver");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Shaokun Zhang <zhangshaokun@hisilicon.com>");

1
drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
View File

@ -581,6 +581,7 @@ static void __exit hisi_hha_pmu_module_exit(void)
}
module_exit(hisi_hha_pmu_module_exit);
MODULE_IMPORT_NS("HISI_PMU");
MODULE_DESCRIPTION("HiSilicon SoC HHA uncore PMU driver");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Shaokun Zhang <zhangshaokun@hisilicon.com>");

1
drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
View File

@ -615,6 +615,7 @@ static void __exit hisi_l3c_pmu_module_exit(void)
}
module_exit(hisi_l3c_pmu_module_exit);
MODULE_IMPORT_NS("HISI_PMU");
MODULE_DESCRIPTION("HiSilicon SoC L3C uncore PMU driver");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Anurup M <anurup.m@huawei.com>");

1
drivers/perf/hisilicon/hisi_uncore_pa_pmu.c
View File

@ -569,6 +569,7 @@ static void __exit hisi_pa_pmu_module_exit(void)
}
module_exit(hisi_pa_pmu_module_exit);
MODULE_IMPORT_NS("HISI_PMU");
MODULE_DESCRIPTION("HiSilicon Protocol Adapter uncore PMU driver");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Shaokun Zhang <zhangshaokun@hisilicon.com>");

36
drivers/perf/hisilicon/hisi_uncore_pmu.c
View File

@ -34,7 +34,7 @@ ssize_t hisi_event_sysfs_show(struct device *dev,
return sysfs_emit(page, "config=0x%lx\n", (unsigned long)eattr->var);
}
EXPORT_SYMBOL_GPL(hisi_event_sysfs_show);
EXPORT_SYMBOL_NS_GPL(hisi_event_sysfs_show, "HISI_PMU");
/*
* sysfs cpumask attributes. For uncore PMU, we only have a single CPU to show
@ -46,7 +46,7 @@ ssize_t hisi_cpumask_sysfs_show(struct device *dev,
return sysfs_emit(buf, "%d\n", hisi_pmu->on_cpu);
}
EXPORT_SYMBOL_GPL(hisi_cpumask_sysfs_show);
EXPORT_SYMBOL_NS_GPL(hisi_cpumask_sysfs_show, "HISI_PMU");
static bool hisi_validate_event_group(struct perf_event *event)
{
@ -96,7 +96,7 @@ int hisi_uncore_pmu_get_event_idx(struct perf_event *event)
return idx;
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_get_event_idx);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_get_event_idx, "HISI_PMU");
ssize_t hisi_uncore_pmu_identifier_attr_show(struct device *dev,
struct device_attribute *attr,
@ -106,7 +106,7 @@ ssize_t hisi_uncore_pmu_identifier_attr_show(struct device *dev,
return sysfs_emit(page, "0x%08x\n", hisi_pmu->identifier);
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_identifier_attr_show);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_identifier_attr_show, "HISI_PMU");
static void hisi_uncore_pmu_clear_event_idx(struct hisi_pmu *hisi_pmu, int idx)
{
@ -165,7 +165,7 @@ int hisi_uncore_pmu_init_irq(struct hisi_pmu *hisi_pmu,
return 0;
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_init_irq);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_init_irq, "HISI_PMU");
int hisi_uncore_pmu_event_init(struct perf_event *event)
{
@ -219,7 +219,7 @@ int hisi_uncore_pmu_event_init(struct perf_event *event)
return 0;
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_event_init);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_event_init, "HISI_PMU");
/*
* Set the counter to count the event that we're interested in,
@ -273,7 +273,7 @@ void hisi_uncore_pmu_set_event_period(struct perf_event *event)
/* Write start value to the hardware event counter */
hisi_pmu->ops->write_counter(hisi_pmu, hwc, val);
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_set_event_period);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_set_event_period, "HISI_PMU");
void hisi_uncore_pmu_event_update(struct perf_event *event)
{
@ -294,7 +294,7 @@ void hisi_uncore_pmu_event_update(struct perf_event *event)
HISI_MAX_PERIOD(hisi_pmu->counter_bits);
local64_add(delta, &event->count);
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_event_update);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_event_update, "HISI_PMU");
void hisi_uncore_pmu_start(struct perf_event *event, int flags)
{
@ -317,7 +317,7 @@ void hisi_uncore_pmu_start(struct perf_event *event, int flags)
hisi_uncore_pmu_enable_event(event);
perf_event_update_userpage(event);
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_start);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_start, "HISI_PMU");
void hisi_uncore_pmu_stop(struct perf_event *event, int flags)
{
@ -334,7 +334,7 @@ void hisi_uncore_pmu_stop(struct perf_event *event, int flags)
hisi_uncore_pmu_event_update(event);
hwc->state |= PERF_HES_UPTODATE;
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_stop);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_stop, "HISI_PMU");
int hisi_uncore_pmu_add(struct perf_event *event, int flags)
{
@ -357,7 +357,7 @@ int hisi_uncore_pmu_add(struct perf_event *event, int flags)
return 0;
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_add);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_add, "HISI_PMU");
void hisi_uncore_pmu_del(struct perf_event *event, int flags)
{
@ -369,14 +369,14 @@ void hisi_uncore_pmu_del(struct perf_event *event, int flags)
perf_event_update_userpage(event);
hisi_pmu->pmu_events.hw_events[hwc->idx] = NULL;
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_del);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_del, "HISI_PMU");
void hisi_uncore_pmu_read(struct perf_event *event)
{
/* Read hardware counter and update the perf counter statistics */
hisi_uncore_pmu_event_update(event);
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_read);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_read, "HISI_PMU");
void hisi_uncore_pmu_enable(struct pmu *pmu)
{
@ -389,7 +389,7 @@ void hisi_uncore_pmu_enable(struct pmu *pmu)
hisi_pmu->ops->start_counters(hisi_pmu);
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_enable);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_enable, "HISI_PMU");
void hisi_uncore_pmu_disable(struct pmu *pmu)
{
@ -397,7 +397,7 @@ void hisi_uncore_pmu_disable(struct pmu *pmu)
hisi_pmu->ops->stop_counters(hisi_pmu);
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_disable);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_disable, "HISI_PMU");
/*
@ -484,7 +484,7 @@ int hisi_uncore_pmu_online_cpu(unsigned int cpu, struct hlist_node *node)
return 0;
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_online_cpu);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_online_cpu, "HISI_PMU");
int hisi_uncore_pmu_offline_cpu(unsigned int cpu, struct hlist_node *node)
{
@ -515,7 +515,7 @@ int hisi_uncore_pmu_offline_cpu(unsigned int cpu, struct hlist_node *node)
return 0;
}
EXPORT_SYMBOL_GPL(hisi_uncore_pmu_offline_cpu);
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_offline_cpu, "HISI_PMU");
void hisi_pmu_init(struct hisi_pmu *hisi_pmu, struct module *module)
{
@ -535,7 +535,7 @@ void hisi_pmu_init(struct hisi_pmu *hisi_pmu, struct module *module)
pmu->attr_groups = hisi_pmu->pmu_events.attr_groups;
pmu->capabilities = PERF_PMU_CAP_NO_EXCLUDE;
}
EXPORT_SYMBOL_GPL(hisi_pmu_init);
EXPORT_SYMBOL_NS_GPL(hisi_pmu_init, "HISI_PMU");
MODULE_DESCRIPTION("HiSilicon SoC uncore Performance Monitor driver framework");
MODULE_LICENSE("GPL v2");

1
drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c
View File

@ -507,6 +507,7 @@ static void __exit hisi_sllc_pmu_module_exit(void)
}
module_exit(hisi_sllc_pmu_module_exit);
MODULE_IMPORT_NS("HISI_PMU");
MODULE_DESCRIPTION("HiSilicon SLLC uncore PMU driver");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Shaokun Zhang <zhangshaokun@hisilicon.com>");

1
drivers/perf/hisilicon/hisi_uncore_uc_pmu.c
View File

@ -613,6 +613,7 @@ static void __exit hisi_uc_pmu_module_exit(void)
}
module_exit(hisi_uc_pmu_module_exit);
MODULE_IMPORT_NS("HISI_PMU");
MODULE_DESCRIPTION("HiSilicon SoC UC uncore PMU driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Junhao He <hejunhao3@huawei.com>");