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author | Zhang Rui <rui.zhang@intel.com> | 2019-07-10 21:44:24 +0800 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-07-11 15:08:57 +0200 |
commit | ff956826a403f5cf189978d5ff6b3eb53aa11610 (patch) | |
tree | b7f735cb9cc7ecfe1ba642c29a853d048603959f /drivers/powercap | |
parent | 8310e8202f24d674b6b2bd341af15d72299f696d (diff) | |
download | linux-ff956826a403f5cf189978d5ff6b3eb53aa11610.tar.gz linux-ff956826a403f5cf189978d5ff6b3eb53aa11610.tar.bz2 linux-ff956826a403f5cf189978d5ff6b3eb53aa11610.zip |
intel_rapl: introduce intel_rapl.h
Create a new header file for the common definitions that might be used
by different RAPL Interface.
Reviewed-by: Pandruvada, Srinivas <srinivas.pandruvada@intel.com>
Tested-by: Pandruvada, Srinivas <srinivas.pandruvada@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/powercap')
-rw-r--r-- | drivers/powercap/intel_rapl.c | 101 |
1 files changed, 2 insertions, 99 deletions
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c index 9be9f20ff056..adb35ec9f939 100644 --- a/drivers/powercap/intel_rapl.c +++ b/drivers/powercap/intel_rapl.c @@ -18,8 +18,9 @@ #include <linux/cpu.h> #include <linux/powercap.h> #include <linux/suspend.h> -#include <asm/iosf_mbi.h> +#include <linux/intel_rapl.h> +#include <asm/iosf_mbi.h> #include <asm/processor.h> #include <asm/cpu_device_id.h> #include <asm/intel-family.h> @@ -74,59 +75,9 @@ enum unit_type { TIME_UNIT, }; -enum rapl_domain_type { - RAPL_DOMAIN_PACKAGE, /* entire package/socket */ - RAPL_DOMAIN_PP0, /* core power plane */ - RAPL_DOMAIN_PP1, /* graphics uncore */ - RAPL_DOMAIN_DRAM,/* DRAM control_type */ - RAPL_DOMAIN_PLATFORM, /* PSys control_type */ - RAPL_DOMAIN_MAX, -}; - -enum rapl_domain_reg_id { - RAPL_DOMAIN_REG_LIMIT, - RAPL_DOMAIN_REG_STATUS, - RAPL_DOMAIN_REG_PERF, - RAPL_DOMAIN_REG_POLICY, - RAPL_DOMAIN_REG_INFO, - RAPL_DOMAIN_REG_MAX, -}; - /* per domain data, some are optional */ -enum rapl_primitives { - ENERGY_COUNTER, - POWER_LIMIT1, - POWER_LIMIT2, - FW_LOCK, - - PL1_ENABLE, /* power limit 1, aka long term */ - PL1_CLAMP, /* allow frequency to go below OS request */ - PL2_ENABLE, /* power limit 2, aka short term, instantaneous */ - PL2_CLAMP, - - TIME_WINDOW1, /* long term */ - TIME_WINDOW2, /* short term */ - THERMAL_SPEC_POWER, - MAX_POWER, - - MIN_POWER, - MAX_TIME_WINDOW, - THROTTLED_TIME, - PRIORITY_LEVEL, - - /* below are not raw primitive data */ - AVERAGE_POWER, - NR_RAPL_PRIMITIVES, -}; - #define NR_RAW_PRIMITIVES (NR_RAPL_PRIMITIVES - 2) -/* Can be expanded to include events, etc.*/ -struct rapl_domain_data { - u64 primitives[NR_RAPL_PRIMITIVES]; - unsigned long timestamp; -}; - struct msrl_action { u32 msr_no; u64 clear_mask; @@ -138,60 +89,12 @@ struct msrl_action { #define DOMAIN_STATE_POWER_LIMIT_SET BIT(1) #define DOMAIN_STATE_BIOS_LOCKED BIT(2) -#define NR_POWER_LIMITS (2) -struct rapl_power_limit { - struct powercap_zone_constraint *constraint; - int prim_id; /* primitive ID used to enable */ - struct rapl_domain *domain; - const char *name; - u64 last_power_limit; -}; - static const char pl1_name[] = "long_term"; static const char pl2_name[] = "short_term"; -struct rapl_package; -struct rapl_domain { - const char *name; - enum rapl_domain_type id; - int regs[RAPL_DOMAIN_REG_MAX]; - struct powercap_zone power_zone; - struct rapl_domain_data rdd; - struct rapl_power_limit rpl[NR_POWER_LIMITS]; - u64 attr_map; /* track capabilities */ - unsigned int state; - unsigned int domain_energy_unit; - struct rapl_package *rp; -}; #define power_zone_to_rapl_domain(_zone) \ container_of(_zone, struct rapl_domain, power_zone) -/* maximum rapl package domain name: package-%d-die-%d */ -#define PACKAGE_DOMAIN_NAME_LENGTH 30 - - -/* Each rapl package contains multiple domains, these are the common - * data across RAPL domains within a package. - */ -struct rapl_package { - unsigned int id; /* logical die id, equals physical 1-die systems */ - unsigned int nr_domains; - unsigned long domain_map; /* bit map of active domains */ - unsigned int power_unit; - unsigned int energy_unit; - unsigned int time_unit; - struct rapl_domain *domains; /* array of domains, sized at runtime */ - struct powercap_zone *power_zone; /* keep track of parent zone */ - unsigned long power_limit_irq; /* keep track of package power limit - * notify interrupt enable status. - */ - struct list_head plist; - int lead_cpu; /* one active cpu per package for access */ - /* Track active cpus */ - struct cpumask cpumask; - char name[PACKAGE_DOMAIN_NAME_LENGTH]; -}; - struct rapl_defaults { u8 floor_freq_reg_addr; int (*check_unit)(struct rapl_package *rp, int cpu); |