@@ -448,6 +448,62 @@ static int init_hisi_l3c_data(struct hisi_pmu *l3c_pmu,
return 0;
}
+static struct attribute *hisi_l3c_format_attr[] = {
+ HISI_PMU_FORMAT_ATTR(event, "config:0-11"),
+ NULL,
+};
+
+static struct attribute_group hisi_l3c_format_group = {
+ .name = "format",
+ .attrs = hisi_l3c_format_attr,
+};
+
+static struct attribute *hisi_l3c_events_attr[] = {
+ HISI_PMU_EVENT_ATTR_STR(read_allocate,
+ "event=0x0"),
+ HISI_PMU_EVENT_ATTR_STR(write_allocate,
+ "event=0x01"),
+ HISI_PMU_EVENT_ATTR_STR(read_noallocate,
+ "event=0x02"),
+ HISI_PMU_EVENT_ATTR_STR(write_noallocate,
+ "event=0x03"),
+ HISI_PMU_EVENT_ATTR_STR(read_hit, "event=0x04"),
+ HISI_PMU_EVENT_ATTR_STR(write_hit, "event=0x05"),
+ NULL,
+};
+
+static struct attribute_group hisi_l3c_events_group = {
+ .name = "events",
+ .attrs = hisi_l3c_events_attr,
+};
+
+static struct attribute *hisi_l3c_attrs[] = {
+ NULL,
+};
+
+struct attribute_group hisi_l3c_attr_group = {
+ .attrs = hisi_l3c_attrs,
+};
+
+static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
+
+static struct attribute *hisi_l3c_cpumask_attrs[] = {
+ &dev_attr_cpumask.attr,
+ NULL,
+};
+
+static const struct attribute_group hisi_l3c_cpumask_attr_group = {
+ .attrs = hisi_l3c_cpumask_attrs,
+};
+
+static const struct attribute_group *hisi_l3c_pmu_attr_groups[] = {
+ &hisi_l3c_attr_group,
+ &hisi_l3c_format_group,
+ &hisi_l3c_events_group,
+ &hisi_l3c_cpumask_attr_group,
+ NULL,
+};
+
static struct hisi_uncore_ops hisi_uncore_l3c_ops = {
.set_evtype = hisi_l3c_set_evtype,
.clear_evtype = hisi_l3c_clear_evtype,
@@ -511,6 +567,7 @@ static int hisi_pmu_l3c_dev_probe(struct hisi_djtag_client *client)
.start = hisi_uncore_pmu_start,
.stop = hisi_uncore_pmu_stop,
.read = hisi_uncore_pmu_read,
+ .attr_groups = hisi_l3c_pmu_attr_groups,
};
ret = hisi_uncore_pmu_setup(l3c_pmu, l3c_pmu->name);
@@ -26,6 +26,46 @@
#include <linux/perf_event.h>
#include "hisi_uncore_pmu.h"
+/*
+ * PMU format attributes
+ */
+ssize_t hisi_format_sysfs_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct dev_ext_attribute *eattr;
+
+ eattr = container_of(attr, struct dev_ext_attribute,
+ attr);
+ return sprintf(buf, "%s\n", (char *) eattr->var);
+}
+
+/*
+ * PMU event attributes
+ */
+ssize_t hisi_event_sysfs_show(struct device *dev,
+ struct device_attribute *attr, char *page)
+{
+ struct perf_pmu_events_attr *pmu_attr =
+ container_of(attr, struct perf_pmu_events_attr, attr);
+
+ if (pmu_attr->event_str)
+ return sprintf(page, "%s", pmu_attr->event_str);
+
+ return 0;
+}
+
+/*
+ * sysfs cpumask attributes
+ */
+ssize_t hisi_cpumask_sysfs_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct pmu *pmu = dev_get_drvdata(dev);
+ struct hisi_pmu *hisi_pmu = to_hisi_pmu(pmu);
+
+ return cpumap_print_to_pagebuf(true, buf, &hisi_pmu->cpu);
+}
+
/* djtag read interface - Call djtag driver to access SoC registers */
int hisi_djtag_readreg(int module_id, int bank, u32 offset,
struct hisi_djtag_client *client, u32 *pvalue)
@@ -47,6 +47,21 @@
#define GET_CNTR_IDX(hwc) (hwc->idx)
#define to_hisi_pmu(c) (container_of(c, struct hisi_pmu, pmu))
+#define HISI_PMU_FORMAT_ATTR(_name, _config) \
+ (&((struct dev_ext_attribute[]) { \
+ { .attr = __ATTR(_name, 0444, \
+ hisi_format_sysfs_show, NULL), \
+ .var = (void *) _config, \
+ } \
+ })[0].attr.attr)
+
+#define HISI_PMU_EVENT_ATTR_STR(_name, _str) \
+ (&((struct perf_pmu_events_attr[]) { \
+ { .attr = __ATTR(_name, 0444, \
+ hisi_event_sysfs_show, NULL), \
+ .event_str = _str, \
+ } \
+ })[0].attr.attr)
struct hisi_pmu;
@@ -104,4 +119,10 @@ int hisi_djtag_writereg(int module_id, int bank,
u32 offset, u32 value,
struct hisi_djtag_client *client);
struct hisi_pmu *hisi_pmu_alloc(struct device *dev);
+ssize_t hisi_event_sysfs_show(struct device *dev,
+ struct device_attribute *attr, char *buf);
+ssize_t hisi_format_sysfs_show(struct device *dev,
+ struct device_attribute *attr, char *buf);
+ssize_t hisi_cpumask_sysfs_show(struct device *dev,
+ struct device_attribute *attr, char *buf);
#endif /* __HISI_UNCORE_PMU_H__ */