cpulib.h File Reference

#include <types.h>

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Enumerations
enum	{ BURST_MODE_UNKNOWN , BURST_MODE_UNAVAILABLE , BURST_MODE_DISABLED , BURST_MODE_ENABLED }

Functions
void	cpu_set_max_ratio (void)
u32	cpu_get_bus_frequency (void)
u8	cpu_get_max_non_turbo_ratio (void)
bool	cpu_is_hybrid_supported (void)
uint8_t	cpu_get_cpu_type (void)
u8	cpu_get_tdp_nominal_ratio (void)
int	cpu_config_tdp_levels (void)
void	cpu_set_p_state_to_turbo_ratio (void)
void	cpu_set_p_state_to_nominal_tdp_ratio (void)
void	cpu_set_p_state_to_max_non_turbo_ratio (void)
void	cpu_set_p_state_to_min_clock_ratio (void)
int	cpu_get_burst_mode_state (void)
void	cpu_burst_mode (bool burst_mode_status)
void	cpu_set_eist (bool eist_status)
bool	cpu_soc_is_in_untrusted_mode (void)
int	cpu_read_topology (unsigned int *num_phys, unsigned int *num_virt)
uint32_t	cpu_get_bus_clock (void)
int	cpu_get_coord_type (void)
uint32_t	cpu_get_min_ratio (void)
uint32_t	cpu_get_max_ratio (void)
void	configure_tcc_thermal_target (void)
uint32_t	cpu_get_power_max (void)
uint32_t	cpu_get_max_turbo_ratio (void)
void	mca_configure (void)
void	cpu_lt_lock_memory (void)
int	get_valid_prmrr_size (void)
void	enable_pm_timer_emulation (void)
void	get_cpu_topology_from_apicid (uint32_t apicid, uint8_t *package, uint8_t *core, uint8_t *thread)

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
BURST_MODE_UNKNOWN
BURST_MODE_UNAVAILABLE
BURST_MODE_DISABLED
BURST_MODE_ENABLED

Definition at line 92 of file cpulib.h.

Function Documentation

configure_tcc_thermal_target()

void configure_tcc_thermal_target

(

void

)

Definition at line 317 of file cpulib.c.

References BIT, CONFIG, config_of_soc, msr_struct::lo, MSR_PLATFORM_INFO, MSR_TEMPERATURE_TARGET, rdmsr(), and wrmsr().

Referenced by get_adl_cpu_type(), punit_init(), and soc_init_cpus().

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cpu_burst_mode()

void cpu_burst_mode

(

bool

burst_mode_status

)

Definition at line 233 of file cpulib.c.

References BURST_MODE_DISABLE, msr_struct::hi, IA32_MISC_ENABLE, rdmsr(), and wrmsr().

Referenced by set_max_freq().

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cpu_config_tdp_levels()

int cpu_config_tdp_levels

(

void

)

Definition at line 300 of file haswell_init.c.

References cpuid_eax(), msr_struct::hi, IVB_CONFIG_TDP_MIN_CPUID, MSR_PLATFORM_INFO, and rdmsr().

Referenced by cpu_get_max_ratio(), set_max_ratio(), and set_power_limits().

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cpu_get_burst_mode_state()

int cpu_get_burst_mode_state

(

void

)

Definition at line 172 of file cpulib.c.

References BURST_MODE_DISABLE, BURST_MODE_DISABLED, BURST_MODE_ENABLED, BURST_MODE_UNAVAILABLE, BURST_MODE_UNKNOWN, cpuid_eax(), msr_struct::hi, IA32_MISC_ENABLE, and rdmsr().

Referenced by set_max_freq().

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cpu_get_bus_clock()

uint32_t cpu_get_bus_clock

(

void

)

Definition at line 350 of file cpulib.c.

References KHz.

Referenced by generate_p_state_entries().

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cpu_get_bus_frequency()

u32 cpu_get_bus_frequency

(

void

)

Definition at line 223 of file cpulib.c.

References cpuid_ecx(), and CPUID_PROCESSOR_FREQUENCY.

Referenced by acpi_get_cpu_nominal_freq().

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cpu_get_coord_type()

int cpu_get_coord_type

(

void

)

Definition at line 276 of file cpulib.c.

References HW_ALL.

Referenced by generate_p_state_entries().

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cpu_get_cpu_type()

uint8_t cpu_get_cpu_type

(

void

)

Definition at line 207 of file cpulib.c.

References cpuid_eax(), and CPUID_HYBRID_INFORMATION.

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cpu_get_max_non_turbo_ratio()

u8 cpu_get_max_non_turbo_ratio

(

void

)

Definition at line 305 of file cpulib.c.

References msr_struct::lo, MSR_PLATFORM_INFO, and rdmsr().

Referenced by acpi_get_cpu_nomi_perf(), acpi_get_cpu_nominal_freq(), and cpu_set_p_state_to_max_non_turbo_ratio().

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cpu_get_max_ratio()

uint32_t cpu_get_max_ratio

(

void

)

Definition at line 289 of file cpulib.c.

References cpu_config_tdp_levels(), msr_struct::lo, MSR_CONFIG_TDP_NOMINAL, MSR_PLATFORM_INFO, and rdmsr().

Referenced by generate_p_state_entries().

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cpu_get_max_turbo_ratio()

uint32_t cpu_get_max_turbo_ratio

(

void

)

Definition at line 369 of file cpulib.c.

References msr_struct::lo, MSR_TURBO_RATIO_LIMIT, and rdmsr().

Referenced by generate_p_state_entries().

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cpu_get_min_ratio()

uint32_t cpu_get_min_ratio

(

void

)

Definition at line 281 of file cpulib.c.

References msr_struct::hi, MSR_PLATFORM_INFO, and rdmsr().

Referenced by cpu_set_p_state_to_min_clock_ratio(), and generate_p_state_entries().

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cpu_get_power_max()

uint32_t cpu_get_power_max

(

void

)

Definition at line 358 of file cpulib.c.

References msr_struct::lo, MSR_PKG_POWER_SKU, MSR_PKG_POWER_SKU_UNIT, and rdmsr().

Referenced by config_pmic_imon(), fill_vr_domain_config(), generate_p_state_entries(), and get_sku_icc_max().

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cpu_get_tdp_nominal_ratio()

u8 cpu_get_tdp_nominal_ratio

(

void

)

Definition at line 55 of file cpulib.c.

References msr_struct::lo, MSR_CONFIG_TDP_NOMINAL, and rdmsr().

Referenced by set_power_limits().

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cpu_is_hybrid_supported()

bool cpu_is_hybrid_supported

(

void

)

Definition at line 194 of file cpulib.c.

References cpuid_ext(), CPUID_STRUCT_EXTENDED_FEATURE_FLAGS, cpuid_result::edx, and HYBRID_FEATURE.

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cpu_lt_lock_memory()

void cpu_lt_lock_memory

(

void

)

Definition at line 392 of file cpulib.c.

References LT_CONTROL_LOCK, MSR_LT_CONTROL, and msr_set().

Referenced by pch_finalize(), sgx_configure(), and soc_lockdown().

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cpu_read_topology()

int cpu_read_topology	(	unsigned int *	num_phys,
		unsigned int *	num_virt
	)

Definition at line 267 of file cpulib.c.

References msr_struct::lo, MSR_CORE_THREAD_COUNT, and rdmsr().

Referenced by generate_cpu_entries(), get_cpu_count(), get_thread_count(), get_threads_per_package(), and wilco_set_cpu_id().

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cpu_set_eist()

void cpu_set_eist

(

bool

eist_status

)

Definition at line 250 of file cpulib.c.

References IA32_MISC_ENABLE, msr_struct::lo, rdmsr(), and wrmsr().

Referenced by configure_misc(), set_max_freq(), and soc_core_init().

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cpu_set_max_ratio()

void cpu_set_max_ratio

(

void

)

Definition at line 45 of file cpulib.c.

References cpu_set_p_state_to_turbo_ratio(), get_turbo_state(), and TURBO_ENABLED.

Referenced by post_mp_init().

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cpu_set_p_state_to_max_non_turbo_ratio()

void cpu_set_p_state_to_max_non_turbo_ratio

(

void

)

Definition at line 138 of file cpulib.c.

References cpu_get_max_non_turbo_ratio(), msr_struct::hi, msr_struct::lo, and set_perf_control_msr().

Referenced by soc_core_init().

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cpu_set_p_state_to_min_clock_ratio()

void cpu_set_p_state_to_min_clock_ratio

(

void

)

Definition at line 154 of file cpulib.c.

References cpu_get_min_ratio(), msr_struct::hi, msr_struct::lo, and set_perf_control_msr().

Referenced by soc_core_init().

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cpu_set_p_state_to_nominal_tdp_ratio()

void cpu_set_p_state_to_nominal_tdp_ratio

(

void

)

Definition at line 121 of file cpulib.c.

References msr_struct::hi, msr_struct::lo, MSR_CONFIG_TDP_NOMINAL, rdmsr(), and set_perf_control_msr().

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cpu_set_p_state_to_turbo_ratio()

void cpu_set_p_state_to_turbo_ratio

(

void

)

Definition at line 103 of file cpulib.c.

References msr_struct::hi, msr_struct::lo, MSR_TURBO_RATIO_LIMIT, rdmsr(), and set_perf_control_msr().

Referenced by cpu_set_max_ratio(), and set_max_freq().

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cpu_soc_is_in_untrusted_mode()

bool cpu_soc_is_in_untrusted_mode

(

void

)

Definition at line 33 of file cpu.c.

References CONFIG, ENABLE_IA_UNTRUSTED, msr_struct::lo, MSR_BIOS_DONE, MSR_POWER_MISC, and rdmsr().

Referenced by gpio_non_smm_lock_pad().

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enable_pm_timer_emulation()

void enable_pm_timer_emulation

(

void

)

Definition at line 10 of file pm_timer_emulation.c.

References ACPI_BASE_ADDRESS, CONFIG, DIV_ROUND_CLOSEST, EMULATE_DELAY_OFFSET_VALUE, EMULATE_DELAY_VALUE, EMULATE_PM_TMR_EN, msr_struct::hi, msr_struct::lo, MSR_EMULATE_PM_TIMER, PM1_TMR, and wrmsr().

Referenced by bootblock_soc_early_init(), and soc_core_init().

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get_cpu_topology_from_apicid()

void get_cpu_topology_from_apicid	(	uint32_t	apicid,
		uint8_t *	package,
		uint8_t *	core,
		uint8_t *	thread
	)

Definition at line 471 of file cpulib.c.

References get_cpu_core_thread_bits().

Referenced by mp_get_processor_info().

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get_valid_prmrr_size()

int get_valid_prmrr_size

(

void

)

Definition at line 397 of file cpulib.c.

References BIOS_DEBUG, BIOS_WARNING, CONFIG, msr_struct::lo, MiB, MSR_PRMRR_VALID_CONFIG, printk, and rdmsr().

Referenced by fill_fspm_cpu_params(), platform_fsp_memory_init_params_cb(), and soc_memory_init_params().

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mca_configure()

void mca_configure

(

void

)

Definition at line 376 of file cpulib.c.

References BIOS_DEBUG, IA32_MC_CTL, mca_clear_status(), mca_get_bank_count(), printk, and wrmsr().

Referenced by dnv_configure_mca(), soc_core_init(), and xeon_configure_mca().

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