diff options
Diffstat (limited to 'include/linux/intel_rapl.h')
| -rw-r--r-- | include/linux/intel_rapl.h | 58 |
1 files changed, 52 insertions, 6 deletions
diff --git a/include/linux/intel_rapl.h b/include/linux/intel_rapl.h index c0397423d3a8..328004f605c3 100644 --- a/include/linux/intel_rapl.h +++ b/include/linux/intel_rapl.h @@ -77,7 +77,6 @@ enum rapl_primitives { PSYS_TIME_WINDOW1, PSYS_TIME_WINDOW2, /* below are not raw primitive data */ - AVERAGE_POWER, NR_RAPL_PRIMITIVES, }; @@ -128,6 +127,46 @@ struct reg_action { int err; }; +struct rapl_defaults { + u8 floor_freq_reg_addr; + int (*check_unit)(struct rapl_domain *rd); + void (*set_floor_freq)(struct rapl_domain *rd, bool mode); + u64 (*compute_time_window)(struct rapl_domain *rd, u64 val, bool to_raw); + unsigned int dram_domain_energy_unit; + unsigned int psys_domain_energy_unit; + bool spr_psys_bits; + bool msr_pl4_support; + bool msr_pmu_support; +}; + +#define PRIMITIVE_INFO_INIT(p, m, s, i, u, f) { \ + .name = #p, \ + .mask = m, \ + .shift = s, \ + .id = i, \ + .unit = u, \ + .flag = f \ + } + +enum unit_type { + ARBITRARY_UNIT, /* no translation */ + POWER_UNIT, + ENERGY_UNIT, + TIME_UNIT, +}; + +/* per domain data. used to describe individual knobs such that access function + * can be consolidated into one instead of many inline functions. + */ +struct rapl_primitive_info { + const char *name; + u64 mask; + int shift; + enum rapl_domain_reg_id id; + enum unit_type unit; + u32 flag; +}; + /** * struct rapl_if_priv: private data for different RAPL interfaces * @control_type: Each RAPL interface must have its own powercap @@ -142,8 +181,8 @@ struct reg_action { * registers. * @write_raw: Callback for writing RAPL interface specific * registers. - * @defaults: internal pointer to interface default settings - * @rpi: internal pointer to interface primitive info + * @defaults: pointer to default settings + * @rpi: pointer to interface primitive info */ struct rapl_if_priv { enum rapl_if_type type; @@ -152,10 +191,10 @@ struct rapl_if_priv { union rapl_reg reg_unit; union rapl_reg regs[RAPL_DOMAIN_MAX][RAPL_DOMAIN_REG_MAX]; int limits[RAPL_DOMAIN_MAX]; - int (*read_raw)(int id, struct reg_action *ra); + int (*read_raw)(int id, struct reg_action *ra, bool pmu_ctx); int (*write_raw)(int id, struct reg_action *ra); - void *defaults; - void *rpi; + const struct rapl_defaults *defaults; + struct rapl_primitive_info *rpi; }; #ifdef CONFIG_PERF_EVENTS @@ -211,13 +250,20 @@ void rapl_remove_package_cpuslocked(struct rapl_package *rp); struct rapl_package *rapl_find_package_domain(int id, struct rapl_if_priv *priv, bool id_is_cpu); struct rapl_package *rapl_add_package(int id, struct rapl_if_priv *priv, bool id_is_cpu); void rapl_remove_package(struct rapl_package *rp); +int rapl_default_check_unit(struct rapl_domain *rd); +void rapl_default_set_floor_freq(struct rapl_domain *rd, bool mode); +u64 rapl_default_compute_time_window(struct rapl_domain *rd, u64 value, bool to_raw); #ifdef CONFIG_PERF_EVENTS int rapl_package_add_pmu(struct rapl_package *rp); +int rapl_package_add_pmu_locked(struct rapl_package *rp); void rapl_package_remove_pmu(struct rapl_package *rp); +void rapl_package_remove_pmu_locked(struct rapl_package *rp); #else static inline int rapl_package_add_pmu(struct rapl_package *rp) { return 0; } +static inline int rapl_package_add_pmu_locked(struct rapl_package *rp) { return 0; } static inline void rapl_package_remove_pmu(struct rapl_package *rp) { } +static inline void rapl_package_remove_pmu_locked(struct rapl_package *rp) { } #endif #endif /* __INTEL_RAPL_H__ */ |
