From: Zhang Rui rui.zhang@intel.com
mainline inclusion from mainline-v5.3-rc1 commit ff956826a403f5cf189978d5ff6b3eb53aa11610 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I47H3V CVE: NA
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commit ff956826a403f5cf189978d5ff6b3eb53aa11610 upstream.
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 Signed-off-by: Youquan Song youquan.song@intel.com Signed-off-by: Jackie Liu liuyun01@kylinos.cn Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Reviewed-by: Hanjun Guo guohanjun@huawei.com Reviewed-by: Xie XiuQi xiexiuqi@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- MAINTAINERS | 1 + drivers/powercap/intel_rapl.c | 101 +----------------------------- include/linux/intel_rapl.h | 113 ++++++++++++++++++++++++++++++++++ 3 files changed, 116 insertions(+), 99 deletions(-) create mode 100644 include/linux/intel_rapl.h
diff --git a/MAINTAINERS b/MAINTAINERS index c2bbf0fdc886..e01480643d53 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11693,6 +11693,7 @@ F: drivers/base/power/ F: include/linux/pm.h F: include/linux/pm_* F: include/linux/powercap.h +F: include/linux/intel_rapl.h F: drivers/powercap/ F: kernel/configs/nopm.config
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c index 6cb123678e1c..a5e4f6b97621 100644 --- a/drivers/powercap/intel_rapl.c +++ b/drivers/powercap/intel_rapl.c @@ -30,8 +30,9 @@ #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> @@ -86,59 +87,9 @@ 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; @@ -150,60 +101,12 @@ 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); diff --git a/include/linux/intel_rapl.h b/include/linux/intel_rapl.h new file mode 100644 index 000000000000..94716036d829 --- /dev/null +++ b/include/linux/intel_rapl.h @@ -0,0 +1,113 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Data types and headers for RAPL support + * + * Copyright (C) 2019 Intel Corporation. + * + * Author: Zhang Rui rui.zhang@intel.com + */ + +#ifndef __INTEL_RAPL_H__ +#define __INTEL_RAPL_H__ + +#include <linux/types.h> +#include <linux/powercap.h> + +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, +}; + +struct rapl_package; + +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, +}; + +struct rapl_domain_data { + u64 primitives[NR_RAPL_PRIMITIVES]; + unsigned long timestamp; +}; + +#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; +}; + +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; +}; + +/* maximum rapl package domain name: package-%d-die-%d */ +#define PACKAGE_DOMAIN_NAME_LENGTH 30 + +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]; +}; + +#endif /* __INTEL_RAPL_H__ */