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ACPI CPU

include/acpi/cpu.h View source View on GitHub

This is the big struct we gotta declare in here:

Structs

Section titled “Structs”

acpi_power_reg

Section titled “acpi_power_reg”
struct acpi_power_reg (7 fields) source
§ uint8_t descriptor
§ uint16_t length
§ uint8_t space_id
§ uint8_t bit_width
§ uint8_t bit_offset
§ uint8_t access_size
§ uint64_t addr

acpi_cpu_context

Section titled “acpi_cpu_context”
struct acpi_cpu_context (8 fields) source
§ bool valid
§ uint8_t type
§ uint32_t addr
§ uint8_t entry_method
§ uint8_t index
§ uint32_t latency
§ uint8_t bm_status_skip

acpi_lpi_state

Section titled “acpi_lpi_state”
struct acpi_lpi_state (9 fields) source
§ uint32_t min_residency
§ uint32_t wake_latency
§ uint32_t flags
§ uint32_t resolution_counter_frequency
§ uint32_t enable_parent_state
§ uint64_t addr
§ uint8_t index
§ uint8_t entry_method

acpi_cpu_power

Section titled “acpi_cpu_power”
struct acpi_cpu_power (3 fields) source
§ size_t count
§ union
§ struct acpi_lpi_state lpi_states[ACPI_CPU_MAX_POWER]
§ size_t timer_broadcast_on_state

acpi_psd_pkg

Section titled “acpi_psd_pkg”
struct acpi_psd_pkg (5 fields) source
§ uint64_t num_entries
§ uint64_t revision
§ uint64_t domain
§ uint64_t coord_type
§ uint64_t num_cpus

acpi_pct_reg

Section titled “acpi_pct_reg”
struct acpi_pct_reg (7 fields) source
§ uint8_t desc
§ uint16_t len
§ uint8_t space_id
§ uint8_t bit_width
§ uint8_t bit_offset
§ uint8_t reserved0
§ uint64_t addr

acpi_cpu_px

Section titled “acpi_cpu_px”
struct acpi_cpu_px (6 fields) source
§ uint64_t frequency

megahertz

§ uint64_t power

milliwatts

§ uint64_t transition_latency_us
§ uint64_t bus_master_latency_us
§ uint64_t control
§ uint64_t status

acpi_cpu_perf

Section titled “acpi_cpu_perf”
struct acpi_cpu_perf (8 fields) source
§ uint32_t state
§ uint32_t platform_limit
§ struct acpi_pct_reg control_reg
§ struct acpi_pct_reg status_reg
§ uint32_t state_count
§ struct acpi_cpu_px *states
§ struct acpi_psd_pkg domain_info
§ uint32_t type

acpi_tsd_pkg

Section titled “acpi_tsd_pkg”
struct acpi_tsd_pkg (5 fields) source
§ uint64_t num_entries
§ uint64_t revision
§ uint64_t domain
§ uint64_t coord_type
§ uint64_t num_cpus

acpi_ptc_reg

Section titled “acpi_ptc_reg”
struct acpi_ptc_reg (7 fields) source
§ uint8_t desc
§ uint16_t len
§ uint8_t space_id
§ uint8_t bit_width
§ uint8_t bit_offset
§ uint8_t reserved0
§ uint64_t addr

acpi_cpu_tx_tss

Section titled “acpi_cpu_tx_tss”
struct acpi_cpu_tx_tss (5 fields) source
§ uint64_t freq_pct
§ uint64_t power

milliwatts

§ uint64_t transition_latency_us
§ uint64_t control
§ uint64_t status

acpi_cpu_tx

Section titled “acpi_cpu_tx”
struct acpi_cpu_tx (2 fields) source
§ uint16_t power
§ uint16_t performance

acpi_cpu_throttling

Section titled “acpi_cpu_throttling”
struct acpi_cpu_throttling (15 fields) source
§ uint32_t state
§ uint32_t platform_limit
§ struct acpi_pct_reg control_reg
§ struct acpi_pct_reg status_reg
§ uint32_t state_count
§ struct acpi_cpu_tx_tss *states_tss
§ struct acpi_tsd_pkg domain_info
§ int32_t (*get_throttling)(struct acpi_cpu *)
§ int32_t (*set_throttling)(struct acpi_cpu *, int32_t)
§ uint32_t addr
§ uint8_t duty_offset
§ uint8_t duty_width
§ uint8_t tsd_valid_flag
§ uint32_t shared_type

acpi_cpu_lx

Section titled “acpi_cpu_lx”
struct acpi_cpu_lx (2 fields) source
§ int32_t px

perf state

§ int32_t tx

throttle level

acpi_cpu_limit

Section titled “acpi_cpu_limit”
struct acpi_cpu_limit (3 fields) source
§ struct acpi_cpu_lx state

what are we right now

§ struct acpi_cpu_lx thermal

thermal limit

§ struct acpi_cpu_lx user

limit the user wants

acpi_cpu_flags

Section titled “acpi_cpu_flags”
struct acpi_cpu_flags (7 fields) source
§ uint8_t power : 1
§ uint8_t perf : 1
§ uint8_t throttling : 1
§ uint8_t limit : 1
§ uint8_t has_cst : 1
§ uint8_t has_lpi : 1
§ uint8_t setup : 1

acpi_cpu

Section titled “acpi_cpu”
struct acpi_cpu (8 fields) source
§ int32_t perf_throttle_limit
§ int32_t throttle_platform_limit
§ struct acpi_cpu_flags flags
§ struct acpi_cpu_power power
§ struct acpi_cpu_perf *performance
§ struct acpi_cpu_throttling throttling
§ struct acpi_cpu_limit limit

Macros

Section titled “Macros”

ACPI_CPU_BUSY_METRIC

Section titled “ACPI_CPU_BUSY_METRIC”
#define ACPI_CPU_BUSY_METRIC 10
source

ACPI_CPU_MAX_POWER

Section titled “ACPI_CPU_MAX_POWER”
#define ACPI_CPU_MAX_POWER 8
source

ACPI_CPU_MAX_C2_LATENCY

Section titled “ACPI_CPU_MAX_C2_LATENCY”
#define ACPI_CPU_MAX_C2_LATENCY 100
source

ACPI_CPU_MAX_C3_LATENCY

Section titled “ACPI_CPU_MAX_C3_LATENCY”
#define ACPI_CPU_MAX_C3_LATENCY 1000
source

ACPI_CPU_MAX_THROTTLING

Section titled “ACPI_CPU_MAX_THROTTLING”
#define ACPI_CPU_MAX_THROTTLING 16
source

ACPI_CPU_MAX_THROTTLE

Section titled “ACPI_CPU_MAX_THROTTLE”
#define ACPI_CPU_MAX_THROTTLE 100
source

10%

ACPI_CPU_MAX_DUTY_WIDTH

Section titled “ACPI_CPU_MAX_DUTY_WIDTH”
#define ACPI_CPU_MAX_DUTY_WIDTH 4
source

ACPI_PDC_REVISION_ID

Section titled “ACPI_PDC_REVISION_ID”
#define ACPI_PDC_REVISION_ID 0x1
source

ACPI_PSD_REV0_REVISION

Section titled “ACPI_PSD_REV0_REVISION”
#define ACPI_PSD_REV0_REVISION 0
source

ACPI_PSD_REV0_ENTRIES

Section titled “ACPI_PSD_REV0_ENTRIES”
#define ACPI_PSD_REV0_ENTRIES 5
source

ACPI_TSD_REV0_REVISION

Section titled “ACPI_TSD_REV0_REVISION”
#define ACPI_TSD_REV0_REVISION 0
source

ACPI_TSD_REV0_ENTRIES

Section titled “ACPI_TSD_REV0_ENTRIES”
#define ACPI_TSD_REV0_ENTRIES 5
source

ACPI_CONTEXT_DESCRIPTOR_LENGTH

Section titled “ACPI_CONTEXT_DESCRIPTOR_LENGTH”
#define ACPI_CONTEXT_DESCRIPTOR_LENGTH 32
source