!1475 [OLK-5.10] pmu: remove uncore code for Zhaoxin Platform (f8c447a5) · Commits · EulixOS / Software / Kernel

arch/x86/events/zhaoxin/Makefile

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		# SPDX-License-Identifier: GPL-2.0
		obj-y += core.o
		obj-y += uncore.o

arch/x86/events/zhaoxin/uncore.c

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File deleted.

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arch/x86/events/zhaoxin/uncore.h

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		/* SPDX-License-Identifier: GPL-2.0-only */
		#include <linux/slab.h>
		#include <linux/pci.h>
		#include <asm/apicdef.h>
		#include <linux/io-64-nonatomic-lo-hi.h>

		#include <linux/perf_event.h>
		#include "../perf_event.h"

		#define ZHAOXIN_FAM7_WUDAOKOU 0x1b
		#define ZHAOXIN_FAM7_LUJIAZUI 0x3b
		#define ZHAOXIN_FAM7_YONGFENG 0x5b

		#define UNCORE_PMU_NAME_LEN 32
		#define UNCORE_PMU_HRTIMER_INTERVAL (60LL * NSEC_PER_SEC)

		#define UNCORE_FIXED_EVENT 0xff
		#define UNCORE_PMC_IDX_MAX_GENERIC 4
		#define UNCORE_PMC_IDX_MAX_FIXED 1
		#define UNCORE_PMC_IDX_FIXED UNCORE_PMC_IDX_MAX_GENERIC

		#define UNCORE_PMC_IDX_MAX (UNCORE_PMC_IDX_FIXED + 1)

		#define UNCORE_PCI_DEV_DATA(type, idx) ((type << 8) \| idx)
		#define UNCORE_PCI_DEV_TYPE(data) ((data >> 8) & 0xff)
		#define UNCORE_PCI_DEV_IDX(data) (data & 0xff)

		struct zhaoxin_uncore_ops;
		struct zhaoxin_uncore_pmu;
		struct zhaoxin_uncore_box;
		struct uncore_event_desc;

		struct zhaoxin_uncore_type {
		const char *name;
		int num_counters;
		int num_boxes;
		int perf_ctr_bits;
		int fixed_ctr_bits;
		unsigned int perf_ctr;
		unsigned int event_ctl;
		unsigned int event_mask;
		unsigned int event_mask_ext;
		unsigned int fixed_ctr;
		unsigned int fixed_ctl;
		unsigned int box_ctl;
		unsigned int msr_offset;
		unsigned int num_shared_regs:8;
		unsigned int single_fixed:1;
		unsigned int pair_ctr_ctl:1;
		unsigned int *msr_offsets;
		struct event_constraint unconstrainted;
		struct event_constraint *constraints;
		struct zhaoxin_uncore_pmu *pmus;
		struct zhaoxin_uncore_ops *ops;
		struct uncore_event_desc *event_descs;
		const struct attribute_group *attr_groups[4];
		struct pmu pmu; / for custom pmu ops */
		};

		#define pmu_group attr_groups[0]
		#define format_group attr_groups[1]
		#define events_group attr_groups[2]

		struct zhaoxin_uncore_ops {
		void (init_box)(struct zhaoxin_uncore_box box);
		void (exit_box)(struct zhaoxin_uncore_box box);
		void (disable_box)(struct zhaoxin_uncore_box box);
		void (enable_box)(struct zhaoxin_uncore_box box);
		void (disable_event)(struct zhaoxin_uncore_box box, struct perf_event *event);
		void (enable_event)(struct zhaoxin_uncore_box box, struct perf_event *event);
		u64 (read_counter)(struct zhaoxin_uncore_box box, struct perf_event *event);
		int (hw_config)(struct zhaoxin_uncore_box box, struct perf_event *event);
		struct event_constraint (get_constraint)(struct zhaoxin_uncore_box *box,
		struct perf_event *event);
		void (put_constraint)(struct zhaoxin_uncore_box box, struct perf_event *event);
		};

		struct zhaoxin_uncore_pmu {
		struct pmu pmu;
		char name[UNCORE_PMU_NAME_LEN];
		int pmu_idx;
		int func_id;
		bool registered;
		atomic_t activeboxes;
		struct zhaoxin_uncore_type *type;
		struct zhaoxin_uncore_box **boxes;
		};

		struct zhaoxin_uncore_extra_reg {
		raw_spinlock_t lock;
		u64 config, config1, config2;
		atomic_t ref;
		};

		struct zhaoxin_uncore_box {
		int pci_phys_id;
		int package_id; /Package ID /
		int cluster_id;
		int subnode_id;
		int n_active; /* number of active events */
		int n_events;
		int cpu; /* cpu to collect events */
		unsigned long flags;
		atomic_t refcnt;
		struct perf_event *events[UNCORE_PMC_IDX_MAX];
		struct perf_event *event_list[UNCORE_PMC_IDX_MAX];
		struct event_constraint *event_constraint[UNCORE_PMC_IDX_MAX];
		unsigned long active_mask[BITS_TO_LONGS(UNCORE_PMC_IDX_MAX)];
		u64 tags[UNCORE_PMC_IDX_MAX];
		struct pci_dev *pci_dev;
		struct zhaoxin_uncore_pmu *pmu;
		u64 hrtimer_duration; /* hrtimer timeout for this box */
		struct hrtimer hrtimer;
		struct list_head list;
		struct list_head active_list;
		void __iomem *io_addr;
		struct zhaoxin_uncore_extra_reg shared_regs[0];
		};

		#define UNCORE_BOX_FLAG_INITIATED 0

		struct uncore_event_desc {
		struct device_attribute attr;
		const char *config;
		};

		struct hw_info {
		u64 config_info;
		u64 active_state;
		};

		ssize_t zx_uncore_event_show(struct device *dev,
		struct device_attribute attr, char buf);

		#define ZHAOXIN_UNCORE_EVENT_DESC(_name, _config) \
		{ \
		.attr = __ATTR(_name, 0444, zx_uncore_event_show, NULL), \
		.config = _config, \
		}

		#define DEFINE_UNCORE_FORMAT_ATTR(_var, _name, _format) \
		static ssize_t __uncore_##_var##_show(struct device *dev, \
		struct device_attribute *attr, \
		char *page) \
		{ \
		BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \
		return sprintf(page, _format "\n"); \
		} \
		static struct device_attribute format_attr_##_var = \
		__ATTR(_name, 0444, __uncore_##_var##_show, NULL)

		static inline bool uncore_pmc_fixed(int idx)
		{
		return idx == UNCORE_PMC_IDX_FIXED;
		}

		static inline unsigned int uncore_pci_box_ctl(struct zhaoxin_uncore_box *box)
		{
		return box->pmu->type->box_ctl;
		}

		static inline unsigned int uncore_pci_fixed_ctl(struct zhaoxin_uncore_box *box)
		{
		return box->pmu->type->fixed_ctl;
		}

		static inline unsigned int uncore_pci_fixed_ctr(struct zhaoxin_uncore_box *box)
		{
		return box->pmu->type->fixed_ctr;
		}

		static inline
		unsigned int uncore_pci_event_ctl(struct zhaoxin_uncore_box *box, int idx)
		{
		return idx * 4 + box->pmu->type->event_ctl;
		}

		static inline
		unsigned int uncore_pci_perf_ctr(struct zhaoxin_uncore_box *box, int idx)
		{
		return idx * 8 + box->pmu->type->perf_ctr;
		}

		static inline unsigned int uncore_msr_box_offset(struct zhaoxin_uncore_box *box)
		{
		struct zhaoxin_uncore_pmu *pmu = box->pmu;

		return pmu->type->msr_offsets ?
		pmu->type->msr_offsets[pmu->pmu_idx] :
		pmu->type->msr_offset * pmu->pmu_idx;
		}

		static inline unsigned int uncore_msr_box_ctl(struct zhaoxin_uncore_box *box)
		{
		if (!box->pmu->type->box_ctl)
		return 0;
		return box->pmu->type->box_ctl + uncore_msr_box_offset(box);
		}

		static inline unsigned int uncore_msr_fixed_ctl(struct zhaoxin_uncore_box *box)
		{
		if (!box->pmu->type->fixed_ctl)
		return 0;
		return box->pmu->type->fixed_ctl + uncore_msr_box_offset(box);
		}

		static inline unsigned int uncore_msr_fixed_ctr(struct zhaoxin_uncore_box *box)
		{
		return box->pmu->type->fixed_ctr + uncore_msr_box_offset(box);
		}

		static inline
		unsigned int uncore_msr_event_ctl(struct zhaoxin_uncore_box *box, int idx)
		{
		return box->pmu->type->event_ctl +
		(box->pmu->type->pair_ctr_ctl ? 2 * idx : idx) +
		uncore_msr_box_offset(box);
		}

		static inline
		unsigned int uncore_msr_perf_ctr(struct zhaoxin_uncore_box *box, int idx)
		{
		return box->pmu->type->perf_ctr +
		(box->pmu->type->pair_ctr_ctl ? 2 * idx : idx) +
		uncore_msr_box_offset(box);
		}

		static inline
		unsigned int uncore_fixed_ctl(struct zhaoxin_uncore_box *box)
		{
		if (box->pci_dev)
		return uncore_pci_fixed_ctl(box);
		else
		return uncore_msr_fixed_ctl(box);
		}

		static inline
		unsigned int uncore_fixed_ctr(struct zhaoxin_uncore_box *box)
		{
		if (box->pci_dev)
		return uncore_pci_fixed_ctr(box);
		else
		return uncore_msr_fixed_ctr(box);
		}

		static inline
		unsigned int uncore_event_ctl(struct zhaoxin_uncore_box *box, int idx)
		{ if (box->pci_dev)
		return uncore_pci_event_ctl(box, idx);
		else
		return uncore_msr_event_ctl(box, idx);
		}

		static inline
		unsigned int uncore_perf_ctr(struct zhaoxin_uncore_box *box, int idx)
		{ if (box->pci_dev)
		return uncore_pci_perf_ctr(box, idx);
		else
		return uncore_msr_perf_ctr(box, idx);
		}

		static inline int uncore_perf_ctr_bits(struct zhaoxin_uncore_box *box)
		{
		return box->pmu->type->perf_ctr_bits;
		}

		static inline int uncore_fixed_ctr_bits(struct zhaoxin_uncore_box *box)
		{
		return box->pmu->type->fixed_ctr_bits;
		}

		static inline int uncore_num_counters(struct zhaoxin_uncore_box *box)
		{
		return box->pmu->type->num_counters;
		}

		static inline void uncore_disable_box(struct zhaoxin_uncore_box *box)
		{
		if (box->pmu->type->ops->disable_box)
		box->pmu->type->ops->disable_box(box);
		}

		static inline void uncore_enable_box(struct zhaoxin_uncore_box *box)
		{
		if (box->pmu->type->ops->enable_box)
		box->pmu->type->ops->enable_box(box);
		}

		static inline void uncore_disable_event(struct zhaoxin_uncore_box *box,
		struct perf_event *event)
		{
		box->pmu->type->ops->disable_event(box, event);
		}

		static inline void uncore_enable_event(struct zhaoxin_uncore_box *box,
		struct perf_event *event)
		{
		box->pmu->type->ops->enable_event(box, event);
		}

		static inline u64 uncore_read_counter(struct zhaoxin_uncore_box *box,
		struct perf_event *event)
		{
		return box->pmu->type->ops->read_counter(box, event);
		}

		static inline void uncore_box_init(struct zhaoxin_uncore_box *box)
		{
		if (!test_and_set_bit(UNCORE_BOX_FLAG_INITIATED, &box->flags)) {
		if (box->pmu->type->ops->init_box)
		box->pmu->type->ops->init_box(box);
		}
		}

		static inline void uncore_box_exit(struct zhaoxin_uncore_box *box)
		{
		if (test_and_clear_bit(UNCORE_BOX_FLAG_INITIATED, &box->flags)) {
		if (box->pmu->type->ops->exit_box)
		box->pmu->type->ops->exit_box(box);
		}
		}

		static inline bool uncore_box_is_fake(struct zhaoxin_uncore_box *box)
		{
		return (box->package_id < 0);
		}

		static inline struct zhaoxin_uncore_pmu uncore_event_to_pmu(struct perf_event event)
		{
		return container_of(event->pmu, struct zhaoxin_uncore_pmu, pmu);
		}

		static inline struct zhaoxin_uncore_box uncore_event_to_box(struct perf_event event)
		{
		return event->pmu_private;
		}

		static struct zhaoxin_uncore_box uncore_pmu_to_box(struct zhaoxin_uncore_pmu pmu, int cpu);
		static u64 uncore_msr_read_counter(struct zhaoxin_uncore_box box, struct perf_event event);

		static void uncore_pmu_start_hrtimer(struct zhaoxin_uncore_box *box);
		static void uncore_pmu_cancel_hrtimer(struct zhaoxin_uncore_box *box);
		static void uncore_pmu_event_start(struct perf_event *event, int flags);
		static void uncore_pmu_event_stop(struct perf_event *event, int flags);
		static int uncore_pmu_event_add(struct perf_event *event, int flags);
		static void uncore_pmu_event_del(struct perf_event *event, int flags);
		static void uncore_pmu_event_read(struct perf_event *event);
		static void uncore_perf_event_update(struct zhaoxin_uncore_box box, struct perf_event event);
		struct event_constraint *
		uncore_get_constraint(struct zhaoxin_uncore_box box, struct perf_event event);
		void uncore_put_constraint(struct zhaoxin_uncore_box box, struct perf_event event);
		u64 uncore_shared_reg_config(struct zhaoxin_uncore_box *box, int idx);

		void wudaokou_uncore_cpu_init(void);
		void yongfeng_uncore_cpu_init(void);
		int yongfeng_uncore_pci_init(void);