[PATCH 2/8] drivers/perf: hisi: Add PMU version for uncore PMU drivers.
Shaokun Zhang
zhangshaokun at hisilicon.com
Thu Dec 31 01:19:30 EST 2020
For HiSilicon uncore PMU, more versions are supported and some variables
shall be added suffiex to distinguish the version which are prepared for
the new drivers.
Cc: Mark Rutland <mark.rutland at arm.com>
Cc: Will Deacon <will at kernel.org>
Cc: John Garry <john.garry at huawei.com>
Cc: Jonathan Cameron <Jonathan.Cameron at huawei.com>
Co-developed-by: Qi Liu <liuqi115 at huawei.com>
Signed-off-by: Qi Liu <liuqi115 at huawei.com>
Signed-off-by: Shaokun Zhang <zhangshaokun at hisilicon.com>
---
drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c | 95 ++++++++++++++-------------
drivers/perf/hisilicon/hisi_uncore_hha_pmu.c | 27 ++++----
drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c | 24 +++----
3 files changed, 74 insertions(+), 72 deletions(-)
diff --git a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
index 69ccbe02f1e3..7f940c47b833 100644
--- a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
@@ -36,8 +36,8 @@
/* DDRC has 8-counters */
#define DDRC_NR_COUNTERS 0x8
-#define DDRC_PERF_CTRL_EN 0x2
-
+#define DDRC_V1_PERF_CTRL_EN 0x2
+#define DDRC_V1_NR_EVENTS 0x07
/*
* For DDRC PMU, there are eight-events and every event has been mapped
* to fixed-purpose counters which register offset is not consistent.
@@ -53,26 +53,26 @@ static const u32 ddrc_reg_off[] = {
/*
* Select the counter register offset using the counter index.
- * In DDRC there are no programmable counter, the count
+ * In PMU v1, there are no programmable counter, the count
* is readed form the statistics counter register itself.
*/
-static u32 hisi_ddrc_pmu_get_counter_offset(int cntr_idx)
+static u32 hisi_ddrc_pmu_v1_get_counter_offset(int cntr_idx)
{
return ddrc_reg_off[cntr_idx];
}
-static u64 hisi_ddrc_pmu_read_counter(struct hisi_pmu *ddrc_pmu,
+static u64 hisi_ddrc_pmu_v1_read_counter(struct hisi_pmu *ddrc_pmu,
struct hw_perf_event *hwc)
{
return readl(ddrc_pmu->base +
- hisi_ddrc_pmu_get_counter_offset(hwc->idx));
+ hisi_ddrc_pmu_v1_get_counter_offset(hwc->idx));
}
-static void hisi_ddrc_pmu_write_counter(struct hisi_pmu *ddrc_pmu,
+static void hisi_ddrc_pmu_v1_write_counter(struct hisi_pmu *ddrc_pmu,
struct hw_perf_event *hwc, u64 val)
{
writel((u32)val,
- ddrc_pmu->base + hisi_ddrc_pmu_get_counter_offset(hwc->idx));
+ ddrc_pmu->base + hisi_ddrc_pmu_v1_get_counter_offset(hwc->idx));
}
/*
@@ -84,28 +84,28 @@ static void hisi_ddrc_pmu_write_evtype(struct hisi_pmu *hha_pmu, int idx,
{
}
-static void hisi_ddrc_pmu_start_counters(struct hisi_pmu *ddrc_pmu)
+static void hisi_ddrc_pmu_v1_start_counters(struct hisi_pmu *ddrc_pmu)
{
u32 val;
/* Set perf_enable in DDRC_PERF_CTRL to start event counting */
val = readl(ddrc_pmu->base + DDRC_PERF_CTRL);
- val |= DDRC_PERF_CTRL_EN;
+ val |= DDRC_V1_PERF_CTRL_EN;
writel(val, ddrc_pmu->base + DDRC_PERF_CTRL);
}
-static void hisi_ddrc_pmu_stop_counters(struct hisi_pmu *ddrc_pmu)
+static void hisi_ddrc_pmu_v1_stop_counters(struct hisi_pmu *ddrc_pmu)
{
u32 val;
/* Clear perf_enable in DDRC_PERF_CTRL to stop event counting */
val = readl(ddrc_pmu->base + DDRC_PERF_CTRL);
- val &= ~DDRC_PERF_CTRL_EN;
+ val &= ~DDRC_V1_PERF_CTRL_EN;
writel(val, ddrc_pmu->base + DDRC_PERF_CTRL);
}
-static void hisi_ddrc_pmu_enable_counter(struct hisi_pmu *ddrc_pmu,
- struct hw_perf_event *hwc)
+static void hisi_ddrc_pmu_v1_enable_counter(struct hisi_pmu *ddrc_pmu,
+ struct hw_perf_event *hwc)
{
u32 val;
@@ -115,8 +115,8 @@ static void hisi_ddrc_pmu_enable_counter(struct hisi_pmu *ddrc_pmu,
writel(val, ddrc_pmu->base + DDRC_EVENT_CTRL);
}
-static void hisi_ddrc_pmu_disable_counter(struct hisi_pmu *ddrc_pmu,
- struct hw_perf_event *hwc)
+static void hisi_ddrc_pmu_v1_disable_counter(struct hisi_pmu *ddrc_pmu,
+ struct hw_perf_event *hwc)
{
u32 val;
@@ -126,7 +126,7 @@ static void hisi_ddrc_pmu_disable_counter(struct hisi_pmu *ddrc_pmu,
writel(val, ddrc_pmu->base + DDRC_EVENT_CTRL);
}
-static int hisi_ddrc_pmu_get_event_idx(struct perf_event *event)
+static int hisi_ddrc_pmu_v1_get_event_idx(struct perf_event *event)
{
struct hisi_pmu *ddrc_pmu = to_hisi_pmu(event->pmu);
unsigned long *used_mask = ddrc_pmu->pmu_events.used_mask;
@@ -142,8 +142,8 @@ static int hisi_ddrc_pmu_get_event_idx(struct perf_event *event)
return idx;
}
-static void hisi_ddrc_pmu_enable_counter_int(struct hisi_pmu *ddrc_pmu,
- struct hw_perf_event *hwc)
+static void hisi_ddrc_pmu_v1_enable_counter_int(struct hisi_pmu *ddrc_pmu,
+ struct hw_perf_event *hwc)
{
u32 val;
@@ -153,8 +153,8 @@ static void hisi_ddrc_pmu_enable_counter_int(struct hisi_pmu *ddrc_pmu,
writel(val, ddrc_pmu->base + DDRC_INT_MASK);
}
-static void hisi_ddrc_pmu_disable_counter_int(struct hisi_pmu *ddrc_pmu,
- struct hw_perf_event *hwc)
+static void hisi_ddrc_pmu_v1_disable_counter_int(struct hisi_pmu *ddrc_pmu,
+ struct hw_perf_event *hwc)
{
u32 val;
@@ -164,12 +164,13 @@ static void hisi_ddrc_pmu_disable_counter_int(struct hisi_pmu *ddrc_pmu,
writel(val, ddrc_pmu->base + DDRC_INT_MASK);
}
-static u32 hisi_ddrc_pmu_get_int_status(struct hisi_pmu *ddrc_pmu)
+static u32 hisi_ddrc_pmu_v1_get_int_status(struct hisi_pmu *ddrc_pmu)
{
return readl(ddrc_pmu->base + DDRC_INT_STATUS);
}
-static void hisi_ddrc_pmu_clear_int_status(struct hisi_pmu *ddrc_pmu, int idx)
+static void hisi_ddrc_pmu_v1_clear_int_status(struct hisi_pmu *ddrc_pmu,
+ int idx)
{
writel(1 << idx, ddrc_pmu->base + DDRC_INT_CLEAR);
}
@@ -212,17 +213,17 @@ static int hisi_ddrc_pmu_init_data(struct platform_device *pdev,
return 0;
}
-static struct attribute *hisi_ddrc_pmu_format_attr[] = {
+static struct attribute *hisi_ddrc_pmu_v1_format_attr[] = {
HISI_PMU_FORMAT_ATTR(event, "config:0-4"),
NULL,
};
-static const struct attribute_group hisi_ddrc_pmu_format_group = {
+static const struct attribute_group hisi_ddrc_pmu_v1_format_group = {
.name = "format",
- .attrs = hisi_ddrc_pmu_format_attr,
+ .attrs = hisi_ddrc_pmu_v1_format_attr,
};
-static struct attribute *hisi_ddrc_pmu_events_attr[] = {
+static struct attribute *hisi_ddrc_pmu_v1_events_attr[] = {
HISI_PMU_EVENT_ATTR(flux_wr, 0x00),
HISI_PMU_EVENT_ATTR(flux_rd, 0x01),
HISI_PMU_EVENT_ATTR(flux_wcmd, 0x02),
@@ -234,9 +235,9 @@ static struct attribute *hisi_ddrc_pmu_events_attr[] = {
NULL,
};
-static const struct attribute_group hisi_ddrc_pmu_events_group = {
+static const struct attribute_group hisi_ddrc_pmu_v1_events_group = {
.name = "events",
- .attrs = hisi_ddrc_pmu_events_attr,
+ .attrs = hisi_ddrc_pmu_v1_events_attr,
};
static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
@@ -262,27 +263,27 @@ static struct attribute_group hisi_ddrc_pmu_identifier_group = {
.attrs = hisi_ddrc_pmu_identifier_attrs,
};
-static const struct attribute_group *hisi_ddrc_pmu_attr_groups[] = {
- &hisi_ddrc_pmu_format_group,
- &hisi_ddrc_pmu_events_group,
+static const struct attribute_group *hisi_ddrc_pmu_v1_attr_groups[] = {
+ &hisi_ddrc_pmu_v1_format_group,
+ &hisi_ddrc_pmu_v1_events_group,
&hisi_ddrc_pmu_cpumask_attr_group,
&hisi_ddrc_pmu_identifier_group,
NULL,
};
-static const struct hisi_uncore_ops hisi_uncore_ddrc_ops = {
+static const struct hisi_uncore_ops hisi_uncore_ddrc_v1_ops = {
.write_evtype = hisi_ddrc_pmu_write_evtype,
- .get_event_idx = hisi_ddrc_pmu_get_event_idx,
- .start_counters = hisi_ddrc_pmu_start_counters,
- .stop_counters = hisi_ddrc_pmu_stop_counters,
- .enable_counter = hisi_ddrc_pmu_enable_counter,
- .disable_counter = hisi_ddrc_pmu_disable_counter,
- .enable_counter_int = hisi_ddrc_pmu_enable_counter_int,
- .disable_counter_int = hisi_ddrc_pmu_disable_counter_int,
- .write_counter = hisi_ddrc_pmu_write_counter,
- .read_counter = hisi_ddrc_pmu_read_counter,
- .get_int_status = hisi_ddrc_pmu_get_int_status,
- .clear_int_status = hisi_ddrc_pmu_clear_int_status,
+ .get_event_idx = hisi_ddrc_pmu_v1_get_event_idx,
+ .start_counters = hisi_ddrc_pmu_v1_start_counters,
+ .stop_counters = hisi_ddrc_pmu_v1_stop_counters,
+ .enable_counter = hisi_ddrc_pmu_v1_enable_counter,
+ .disable_counter = hisi_ddrc_pmu_v1_disable_counter,
+ .enable_counter_int = hisi_ddrc_pmu_v1_enable_counter_int,
+ .disable_counter_int = hisi_ddrc_pmu_v1_disable_counter_int,
+ .write_counter = hisi_ddrc_pmu_v1_write_counter,
+ .read_counter = hisi_ddrc_pmu_v1_read_counter,
+ .get_int_status = hisi_ddrc_pmu_v1_get_int_status,
+ .clear_int_status = hisi_ddrc_pmu_v1_clear_int_status,
};
static int hisi_ddrc_pmu_dev_probe(struct platform_device *pdev,
@@ -300,10 +301,10 @@ static int hisi_ddrc_pmu_dev_probe(struct platform_device *pdev,
ddrc_pmu->num_counters = DDRC_NR_COUNTERS;
ddrc_pmu->counter_bits = 32;
- ddrc_pmu->ops = &hisi_uncore_ddrc_ops;
+ ddrc_pmu->ops = &hisi_uncore_ddrc_v1_ops;
ddrc_pmu->dev = &pdev->dev;
ddrc_pmu->on_cpu = -1;
- ddrc_pmu->check_event = 7;
+ ddrc_pmu->check_event = DDRC_V1_NR_EVENTS;
return 0;
}
@@ -345,7 +346,7 @@ static int hisi_ddrc_pmu_probe(struct platform_device *pdev)
.start = hisi_uncore_pmu_start,
.stop = hisi_uncore_pmu_stop,
.read = hisi_uncore_pmu_read,
- .attr_groups = hisi_ddrc_pmu_attr_groups,
+ .attr_groups = hisi_ddrc_pmu_v1_attr_groups,
.capabilities = PERF_PMU_CAP_NO_EXCLUDE,
};
diff --git a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
index 29c26f2e3c08..2f55e5864d39 100644
--- a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
@@ -33,10 +33,11 @@
#define HHA_CNT0_LOWER 0x1F00
/* HHA has 16-counters */
-#define HHA_NR_COUNTERS 0x10
+#define HHA_V1_NR_COUNTERS 0x10
#define HHA_PERF_CTRL_EN 0x1
#define HHA_EVTYPE_NONE 0xff
+#define HHA_V1_NR_EVENT 0x65
/*
* Select the counter register offset using the counter index
@@ -206,17 +207,17 @@ static int hisi_hha_pmu_init_data(struct platform_device *pdev,
return 0;
}
-static struct attribute *hisi_hha_pmu_format_attr[] = {
+static struct attribute *hisi_hha_pmu_v1_format_attr[] = {
HISI_PMU_FORMAT_ATTR(event, "config:0-7"),
NULL,
};
-static const struct attribute_group hisi_hha_pmu_format_group = {
+static const struct attribute_group hisi_hha_pmu_v1_format_group = {
.name = "format",
- .attrs = hisi_hha_pmu_format_attr,
+ .attrs = hisi_hha_pmu_v1_format_attr,
};
-static struct attribute *hisi_hha_pmu_events_attr[] = {
+static struct attribute *hisi_hha_pmu_v1_events_attr[] = {
HISI_PMU_EVENT_ATTR(rx_ops_num, 0x00),
HISI_PMU_EVENT_ATTR(rx_outer, 0x01),
HISI_PMU_EVENT_ATTR(rx_sccl, 0x02),
@@ -246,9 +247,9 @@ static struct attribute *hisi_hha_pmu_events_attr[] = {
NULL,
};
-static const struct attribute_group hisi_hha_pmu_events_group = {
+static const struct attribute_group hisi_hha_pmu_v1_events_group = {
.name = "events",
- .attrs = hisi_hha_pmu_events_attr,
+ .attrs = hisi_hha_pmu_v1_events_attr,
};
static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
@@ -274,9 +275,9 @@ static struct attribute_group hisi_hha_pmu_identifier_group = {
.attrs = hisi_hha_pmu_identifier_attrs,
};
-static const struct attribute_group *hisi_hha_pmu_attr_groups[] = {
- &hisi_hha_pmu_format_group,
- &hisi_hha_pmu_events_group,
+static const struct attribute_group *hisi_hha_pmu_v1_attr_groups[] = {
+ &hisi_hha_pmu_v1_format_group,
+ &hisi_hha_pmu_v1_events_group,
&hisi_hha_pmu_cpumask_attr_group,
&hisi_hha_pmu_identifier_group,
NULL,
@@ -310,12 +311,12 @@ static int hisi_hha_pmu_dev_probe(struct platform_device *pdev,
if (ret)
return ret;
- hha_pmu->num_counters = HHA_NR_COUNTERS;
+ hha_pmu->num_counters = HHA_V1_NR_COUNTERS;
hha_pmu->counter_bits = 48;
hha_pmu->ops = &hisi_uncore_hha_ops;
hha_pmu->dev = &pdev->dev;
hha_pmu->on_cpu = -1;
- hha_pmu->check_event = 0x65;
+ hha_pmu->check_event = HHA_V1_NR_EVENT;
return 0;
}
@@ -357,7 +358,7 @@ static int hisi_hha_pmu_probe(struct platform_device *pdev)
.start = hisi_uncore_pmu_start,
.stop = hisi_uncore_pmu_stop,
.read = hisi_uncore_pmu_read,
- .attr_groups = hisi_hha_pmu_attr_groups,
+ .attr_groups = hisi_hha_pmu_v1_attr_groups,
.capabilities = PERF_PMU_CAP_NO_EXCLUDE,
};
diff --git a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
index 68c00689b275..dc06e3ca7505 100644
--- a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
@@ -37,7 +37,7 @@
#define L3C_PERF_CTRL_EN 0x10000
#define L3C_EVTYPE_NONE 0xff
-
+#define L3C_V1_NR_EVENTS 0x59
/*
* Select the counter register offset using the counter index
*/
@@ -209,17 +209,17 @@ static int hisi_l3c_pmu_init_data(struct platform_device *pdev,
return 0;
}
-static struct attribute *hisi_l3c_pmu_format_attr[] = {
+static struct attribute *hisi_l3c_pmu_v1_format_attr[] = {
HISI_PMU_FORMAT_ATTR(event, "config:0-7"),
NULL,
};
-static const struct attribute_group hisi_l3c_pmu_format_group = {
+static const struct attribute_group hisi_l3c_pmu_v1_format_group = {
.name = "format",
- .attrs = hisi_l3c_pmu_format_attr,
+ .attrs = hisi_l3c_pmu_v1_format_attr,
};
-static struct attribute *hisi_l3c_pmu_events_attr[] = {
+static struct attribute *hisi_l3c_pmu_v1_events_attr[] = {
HISI_PMU_EVENT_ATTR(rd_cpipe, 0x00),
HISI_PMU_EVENT_ATTR(wr_cpipe, 0x01),
HISI_PMU_EVENT_ATTR(rd_hit_cpipe, 0x02),
@@ -236,9 +236,9 @@ static struct attribute *hisi_l3c_pmu_events_attr[] = {
NULL,
};
-static const struct attribute_group hisi_l3c_pmu_events_group = {
+static const struct attribute_group hisi_l3c_pmu_v1_events_group = {
.name = "events",
- .attrs = hisi_l3c_pmu_events_attr,
+ .attrs = hisi_l3c_pmu_v1_events_attr,
};
static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
@@ -264,9 +264,9 @@ static struct attribute_group hisi_l3c_pmu_identifier_group = {
.attrs = hisi_l3c_pmu_identifier_attrs,
};
-static const struct attribute_group *hisi_l3c_pmu_attr_groups[] = {
- &hisi_l3c_pmu_format_group,
- &hisi_l3c_pmu_events_group,
+static const struct attribute_group *hisi_l3c_pmu_v1_attr_groups[] = {
+ &hisi_l3c_pmu_v1_format_group,
+ &hisi_l3c_pmu_v1_events_group,
&hisi_l3c_pmu_cpumask_attr_group,
&hisi_l3c_pmu_identifier_group,
NULL,
@@ -305,7 +305,7 @@ static int hisi_l3c_pmu_dev_probe(struct platform_device *pdev,
l3c_pmu->ops = &hisi_uncore_l3c_ops;
l3c_pmu->dev = &pdev->dev;
l3c_pmu->on_cpu = -1;
- l3c_pmu->check_event = 0x59;
+ l3c_pmu->check_event = L3C_V1_NR_EVENTS;
return 0;
}
@@ -347,7 +347,7 @@ static int hisi_l3c_pmu_probe(struct platform_device *pdev)
.start = hisi_uncore_pmu_start,
.stop = hisi_uncore_pmu_stop,
.read = hisi_uncore_pmu_read,
- .attr_groups = hisi_l3c_pmu_attr_groups,
+ .attr_groups = hisi_l3c_pmu_v1_attr_groups,
.capabilities = PERF_PMU_CAP_NO_EXCLUDE,
};
--
2.7.4
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