/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/slab.h> #include <linux/pci.h> #include <asm/apicdef.h> #include <asm/intel-family.h> #include <linux/io-64-nonatomic-lo-hi.h> #include <linux/perf_event.h> #include "../perf_event.h" #define UNCORE_PMU_NAME_LEN … #define UNCORE_PMU_HRTIMER_INTERVAL … #define UNCORE_SNB_IMC_HRTIMER_INTERVAL … #define UNCORE_FIXED_EVENT … #define UNCORE_PMC_IDX_MAX_GENERIC … #define UNCORE_PMC_IDX_MAX_FIXED … #define UNCORE_PMC_IDX_MAX_FREERUNNING … #define UNCORE_PMC_IDX_FIXED … #define UNCORE_PMC_IDX_FREERUNNING … #define UNCORE_PMC_IDX_MAX … #define UNCORE_PCI_DEV_FULL_DATA(dev, func, type, idx) … #define UNCORE_PCI_DEV_DATA(type, idx) … #define UNCORE_PCI_DEV_DEV(data) … #define UNCORE_PCI_DEV_FUNC(data) … #define UNCORE_PCI_DEV_TYPE(data) … #define UNCORE_PCI_DEV_IDX(data) … #define UNCORE_EXTRA_PCI_DEV … #define UNCORE_EXTRA_PCI_DEV_MAX … #define UNCORE_EVENT_CONSTRAINT(c, n) … #define UNCORE_IGNORE_END … struct pci_extra_dev { … }; struct intel_uncore_ops; struct intel_uncore_pmu; struct intel_uncore_box; struct uncore_event_desc; struct freerunning_counters; struct intel_uncore_topology; struct intel_uncore_type { … }; #define pmu_group … #define format_group … #define events_group … struct intel_uncore_ops { … }; struct intel_uncore_pmu { … }; struct intel_uncore_extra_reg { … }; struct intel_uncore_box { … }; /* CFL uncore 8th cbox MSRs */ #define CFL_UNC_CBO_7_PERFEVTSEL0 … #define CFL_UNC_CBO_7_PER_CTR0 … #define UNCORE_BOX_FLAG_INITIATED … /* event config registers are 8-byte apart */ #define UNCORE_BOX_FLAG_CTL_OFFS8 … /* CFL 8th CBOX has different MSR space */ #define UNCORE_BOX_FLAG_CFL8_CBOX_MSR_OFFS … struct uncore_event_desc { … }; struct freerunning_counters { … }; struct uncore_iio_topology { … }; struct uncore_upi_topology { … }; struct intel_uncore_topology { … }; struct pci2phy_map { … }; struct pci2phy_map *__find_pci2phy_map(int segment); int uncore_pcibus_to_dieid(struct pci_bus *bus); int uncore_die_to_segment(int die); int uncore_device_to_die(struct pci_dev *dev); ssize_t uncore_event_show(struct device *dev, struct device_attribute *attr, char *buf); static inline struct intel_uncore_pmu *dev_to_uncore_pmu(struct device *dev) { … } #define to_device_attribute(n) … #define to_dev_ext_attribute(n) … #define attr_to_ext_attr(n) … extern int __uncore_max_dies; #define uncore_max_dies() … #define INTEL_UNCORE_EVENT_DESC(_name, _config) … #define DEFINE_UNCORE_FORMAT_ATTR(_var, _name, _format) … static inline bool uncore_pmc_fixed(int idx) { … } static inline bool uncore_pmc_freerunning(int idx) { … } static inline bool uncore_mmio_is_valid_offset(struct intel_uncore_box *box, unsigned long offset) { … } static inline unsigned int uncore_mmio_box_ctl(struct intel_uncore_box *box) { … } static inline unsigned uncore_pci_box_ctl(struct intel_uncore_box *box) { … } static inline unsigned uncore_pci_fixed_ctl(struct intel_uncore_box *box) { … } static inline unsigned uncore_pci_fixed_ctr(struct intel_uncore_box *box) { … } static inline unsigned uncore_pci_event_ctl(struct intel_uncore_box *box, int idx) { … } static inline unsigned uncore_pci_perf_ctr(struct intel_uncore_box *box, int idx) { … } static inline unsigned uncore_msr_box_offset(struct intel_uncore_box *box) { … } static inline unsigned uncore_msr_box_ctl(struct intel_uncore_box *box) { … } static inline unsigned uncore_msr_fixed_ctl(struct intel_uncore_box *box) { … } static inline unsigned uncore_msr_fixed_ctr(struct intel_uncore_box *box) { … } /* * In the uncore document, there is no event-code assigned to free running * counters. Some events need to be defined to indicate the free running * counters. The events are encoded as event-code + umask-code. * * The event-code for all free running counters is 0xff, which is the same as * the fixed counters. * * The umask-code is used to distinguish a fixed counter and a free running * counter, and different types of free running counters. * - For fixed counters, the umask-code is 0x0X. * X indicates the index of the fixed counter, which starts from 0. * - For free running counters, the umask-code uses the rest of the space. * It would bare the format of 0xXY. * X stands for the type of free running counters, which starts from 1. * Y stands for the index of free running counters of same type, which * starts from 0. * * For example, there are three types of IIO free running counters on Skylake * server, IO CLOCKS counters, BANDWIDTH counters and UTILIZATION counters. * The event-code for all the free running counters is 0xff. * 'ioclk' is the first counter of IO CLOCKS. IO CLOCKS is the first type, * which umask-code starts from 0x10. * So 'ioclk' is encoded as event=0xff,umask=0x10 * 'bw_in_port2' is the third counter of BANDWIDTH counters. BANDWIDTH is * the second type, which umask-code starts from 0x20. * So 'bw_in_port2' is encoded as event=0xff,umask=0x22 */ static inline unsigned int uncore_freerunning_idx(u64 config) { … } #define UNCORE_FREERUNNING_UMASK_START … static inline unsigned int uncore_freerunning_type(u64 config) { … } static inline unsigned int uncore_freerunning_counter(struct intel_uncore_box *box, struct perf_event *event) { … } static inline unsigned uncore_msr_event_ctl(struct intel_uncore_box *box, int idx) { … } static inline unsigned uncore_msr_perf_ctr(struct intel_uncore_box *box, int idx) { … } static inline unsigned uncore_fixed_ctl(struct intel_uncore_box *box) { … } static inline unsigned uncore_fixed_ctr(struct intel_uncore_box *box) { … } static inline unsigned uncore_event_ctl(struct intel_uncore_box *box, int idx) { … } static inline unsigned uncore_perf_ctr(struct intel_uncore_box *box, int idx) { … } static inline int uncore_perf_ctr_bits(struct intel_uncore_box *box) { … } static inline int uncore_fixed_ctr_bits(struct intel_uncore_box *box) { … } static inline unsigned int uncore_freerunning_bits(struct intel_uncore_box *box, struct perf_event *event) { … } static inline int uncore_num_freerunning(struct intel_uncore_box *box, struct perf_event *event) { … } static inline int uncore_num_freerunning_types(struct intel_uncore_box *box, struct perf_event *event) { … } static inline bool check_valid_freerunning_event(struct intel_uncore_box *box, struct perf_event *event) { … } static inline int uncore_num_counters(struct intel_uncore_box *box) { … } static inline bool is_freerunning_event(struct perf_event *event) { … } /* Check and reject invalid config */ static inline int uncore_freerunning_hw_config(struct intel_uncore_box *box, struct perf_event *event) { … } static inline void uncore_disable_event(struct intel_uncore_box *box, struct perf_event *event) { … } static inline void uncore_enable_event(struct intel_uncore_box *box, struct perf_event *event) { … } static inline u64 uncore_read_counter(struct intel_uncore_box *box, struct perf_event *event) { … } static inline void uncore_box_init(struct intel_uncore_box *box) { … } static inline void uncore_box_exit(struct intel_uncore_box *box) { … } static inline bool uncore_box_is_fake(struct intel_uncore_box *box) { … } static inline struct intel_uncore_pmu *uncore_event_to_pmu(struct perf_event *event) { … } static inline struct intel_uncore_box *uncore_event_to_box(struct perf_event *event) { … } struct intel_uncore_box *uncore_pmu_to_box(struct intel_uncore_pmu *pmu, int cpu); u64 uncore_msr_read_counter(struct intel_uncore_box *box, struct perf_event *event); void uncore_mmio_exit_box(struct intel_uncore_box *box); u64 uncore_mmio_read_counter(struct intel_uncore_box *box, struct perf_event *event); void uncore_pmu_start_hrtimer(struct intel_uncore_box *box); void uncore_pmu_cancel_hrtimer(struct intel_uncore_box *box); void uncore_pmu_event_start(struct perf_event *event, int flags); void uncore_pmu_event_stop(struct perf_event *event, int flags); int uncore_pmu_event_add(struct perf_event *event, int flags); void uncore_pmu_event_del(struct perf_event *event, int flags); void uncore_pmu_event_read(struct perf_event *event); void uncore_perf_event_update(struct intel_uncore_box *box, struct perf_event *event); struct event_constraint * uncore_get_constraint(struct intel_uncore_box *box, struct perf_event *event); void uncore_put_constraint(struct intel_uncore_box *box, struct perf_event *event); u64 uncore_shared_reg_config(struct intel_uncore_box *box, int idx); void uncore_get_alias_name(char *pmu_name, struct intel_uncore_pmu *pmu); extern struct intel_uncore_type *empty_uncore[]; extern struct intel_uncore_type **uncore_msr_uncores; extern struct intel_uncore_type **uncore_pci_uncores; extern struct intel_uncore_type **uncore_mmio_uncores; extern struct pci_driver *uncore_pci_driver; extern struct pci_driver *uncore_pci_sub_driver; extern raw_spinlock_t pci2phy_map_lock; extern struct list_head pci2phy_map_head; extern struct pci_extra_dev *uncore_extra_pci_dev; extern struct event_constraint uncore_constraint_empty; extern int spr_uncore_units_ignore[]; extern int gnr_uncore_units_ignore[]; /* uncore_snb.c */ int snb_uncore_pci_init(void); int ivb_uncore_pci_init(void); int hsw_uncore_pci_init(void); int bdw_uncore_pci_init(void); int skl_uncore_pci_init(void); void snb_uncore_cpu_init(void); void nhm_uncore_cpu_init(void); void skl_uncore_cpu_init(void); void icl_uncore_cpu_init(void); void tgl_uncore_cpu_init(void); void adl_uncore_cpu_init(void); void mtl_uncore_cpu_init(void); void tgl_uncore_mmio_init(void); void tgl_l_uncore_mmio_init(void); void adl_uncore_mmio_init(void); int snb_pci2phy_map_init(int devid); /* uncore_snbep.c */ int snbep_uncore_pci_init(void); void snbep_uncore_cpu_init(void); int ivbep_uncore_pci_init(void); void ivbep_uncore_cpu_init(void); int hswep_uncore_pci_init(void); void hswep_uncore_cpu_init(void); int bdx_uncore_pci_init(void); void bdx_uncore_cpu_init(void); int knl_uncore_pci_init(void); void knl_uncore_cpu_init(void); int skx_uncore_pci_init(void); void skx_uncore_cpu_init(void); int snr_uncore_pci_init(void); void snr_uncore_cpu_init(void); void snr_uncore_mmio_init(void); int icx_uncore_pci_init(void); void icx_uncore_cpu_init(void); void icx_uncore_mmio_init(void); int spr_uncore_pci_init(void); void spr_uncore_cpu_init(void); void spr_uncore_mmio_init(void); int gnr_uncore_pci_init(void); void gnr_uncore_cpu_init(void); void gnr_uncore_mmio_init(void); /* uncore_nhmex.c */ void nhmex_uncore_cpu_init(void);
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