diff options
Diffstat (limited to 'drivers/perf/hisilicon/hisi_uncore_pmu.h')
| -rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_pmu.h | 76 |
1 files changed, 62 insertions, 14 deletions
diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.h b/drivers/perf/hisilicon/hisi_uncore_pmu.h index b59de33cd059..3ffe6acda653 100644 --- a/drivers/perf/hisilicon/hisi_uncore_pmu.h +++ b/drivers/perf/hisilicon/hisi_uncore_pmu.h @@ -24,7 +24,7 @@ #define pr_fmt(fmt) "hisi_pmu: " fmt #define HISI_PMU_V2 0x30 -#define HISI_MAX_COUNTERS 0x10 +#define HISI_MAX_COUNTERS 0x18 #define to_hisi_pmu(p) (container_of(p, struct hisi_pmu, pmu)) #define HISI_PMU_ATTR(_name, _func, _config) \ @@ -33,7 +33,7 @@ })[0].attr.attr) #define HISI_PMU_FORMAT_ATTR(_name, _config) \ - HISI_PMU_ATTR(_name, hisi_format_sysfs_show, (void *)_config) + HISI_PMU_ATTR(_name, device_show_string, _config) #define HISI_PMU_EVENT_ATTR(_name, _config) \ HISI_PMU_ATTR(_name, hisi_event_sysfs_show, (unsigned long)_config) @@ -43,9 +43,16 @@ return FIELD_GET(GENMASK_ULL(hi, lo), event->attr.config); \ } +#define HISI_EVENTID_MASK GENMASK(7, 0) +#define HISI_GET_EVENTID(ev) ((ev)->hw.config_base & HISI_EVENTID_MASK) + +#define HISI_PMU_EVTYPE_BITS 8 +#define HISI_PMU_EVTYPE_SHIFT(idx) ((idx) % 4 * HISI_PMU_EVTYPE_BITS) + struct hisi_pmu; struct hisi_uncore_ops { + int (*check_filter)(struct perf_event *event); void (*write_evtype)(struct hisi_pmu *, int, u32); int (*get_event_idx)(struct perf_event *); u64 (*read_counter)(struct hisi_pmu *, struct hw_perf_event *); @@ -62,32 +69,70 @@ struct hisi_uncore_ops { void (*disable_filter)(struct perf_event *event); }; +/* Describes the HISI PMU chip features information */ +struct hisi_pmu_dev_info { + const char *name; + const struct attribute_group **attr_groups; + u32 counter_bits; + u32 check_event; + void *private; +}; + struct hisi_pmu_hwevents { struct perf_event *hw_events[HISI_MAX_COUNTERS]; DECLARE_BITMAP(used_mask, HISI_MAX_COUNTERS); const struct attribute_group **attr_groups; }; +/** + * struct hisi_pmu_topology - Describe the topology hierarchy on which the PMU + * is located. + * @sccl_id: ID of the SCCL on which the PMU locate is located. + * @sicl_id: ID of the SICL on which the PMU locate is located. + * @scl_id: ID used by the core which is unaware of the SCCL/SICL. + * @ccl_id: ID of the CCL (CPU cluster) on which the PMU is located. + * @index_id: the ID of the PMU module if there're several PMUs at a + * particularly location in the topology. + * @sub_id: submodule ID of the PMU. For example we use this for DDRC PMU v2 + * since each DDRC has more than one DMC + * + * The ID will be -1 if the PMU isn't located on a certain topology. + */ +struct hisi_pmu_topology { + /* + * SCCL (Super CPU CLuster) and SICL (Super I/O Cluster) are parallel + * so a PMU cannot locate on a SCCL and a SICL. If the SCCL/SICL + * distinction is not relevant, use scl_id instead. + */ + union { + int sccl_id; + int sicl_id; + int scl_id; + }; + int ccl_id; + int index_id; + int sub_id; +}; + /* Generic pmu struct for different pmu types */ struct hisi_pmu { struct pmu pmu; const struct hisi_uncore_ops *ops; + const struct hisi_pmu_dev_info *dev_info; struct hisi_pmu_hwevents pmu_events; - /* associated_cpus: All CPUs associated with the PMU */ + struct hisi_pmu_topology topo; + /* + * CPUs associated to the PMU and are preferred to use for counting. + * Could be empty if PMU has no association (e.g. PMU on SICL), in + * which case any online CPU will be used. + */ cpumask_t associated_cpus; /* CPU used for counting */ int on_cpu; int irq; struct device *dev; struct hlist_node node; - int sccl_id; - int sicl_id; - int ccl_id; void __iomem *base; - /* the ID of the PMU modules */ - u32 index_id; - /* For DDRC PMU v2: each DDRC has more than one DMC */ - u32 sub_id; int num_counters; int counter_bits; /* check event code range */ @@ -95,6 +140,10 @@ struct hisi_pmu { u32 identifier; }; +/* Generic implementation of cpumask/identifier group */ +extern const struct attribute_group hisi_pmu_cpumask_attr_group; +extern const struct attribute_group hisi_pmu_identifier_group; + int hisi_uncore_pmu_get_event_idx(struct perf_event *event); void hisi_uncore_pmu_read(struct perf_event *event); int hisi_uncore_pmu_add(struct perf_event *event, int flags); @@ -108,8 +157,6 @@ void hisi_uncore_pmu_enable(struct pmu *pmu); void hisi_uncore_pmu_disable(struct pmu *pmu); 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); int hisi_uncore_pmu_online_cpu(unsigned int cpu, struct hlist_node *node); @@ -118,9 +165,10 @@ int hisi_uncore_pmu_offline_cpu(unsigned int cpu, struct hlist_node *node); ssize_t hisi_uncore_pmu_identifier_attr_show(struct device *dev, struct device_attribute *attr, char *page); +irqreturn_t hisi_uncore_pmu_isr(int irq, void *data); int hisi_uncore_pmu_init_irq(struct hisi_pmu *hisi_pmu, struct platform_device *pdev); +void hisi_uncore_pmu_init_topology(struct hisi_pmu *hisi_pmu, struct device *dev); -void hisi_pmu_init(struct pmu *pmu, const char *name, - const struct attribute_group **attr_groups, struct module *module); +void hisi_pmu_init(struct hisi_pmu *hisi_pmu, struct module *module); #endif /* __HISI_UNCORE_PMU_H__ */ |