Struct DcfgArmPsciCpuSuspendState

#[repr(C)]
pub struct DcfgArmPsciCpuSuspendState {
    pub id: u32,
    pub power_state: u32,
    pub flags: ArmPsciCpuSuspendStateFlags,
    pub entry_latency_us: u32,
    pub exit_latency_us: u32,
    pub min_residency_us: u32,
}

The ZBI_KERNEL_DRIVER_ARM_PSCI_CPU_SUSPEND’s payload consists on any number of DcfgArmPsciCpuSuspendState entries.

The length of the item is sizeof(zbi_dcfg_arm_psci_cou_suspend_state_t) times the number of entries. Each entry describes an ‘idle state’ that can be entered through PSCI CPU Suspend call.

Entries in the table may be in any order, and only a single item of type ZBI_KERNEL_DRIVER_ARM_PSCI_CPU_SUSPEND should be present in the ZBI.

Fields

id: u32

Unique identifier representing this suspend state.

power_state: u32

PSCI power_state as described in “Section 5.4.2. of Arm Power State Coordination Interface” v1.3.

flags: ArmPsciCpuSuspendStateFlags

entry_latency_us: u32

Latency in microseconds to enter the low power state.

exit_latency_us: u32

Latency in microseconds to exit the low power state.

min_residency_us: u32

Minimum time in microseconds, including entry_latency, to stay in this low power state. Spending less time would be inefficient energy-wise.

Trait Implementations

impl Clone for DcfgArmPsciCpuSuspendState

fn clone(&self) -> DcfgArmPsciCpuSuspendState

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DcfgArmPsciCpuSuspendState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FromBytes for DcfgArmPsciCpuSuspendState

where u32: FromBytes, ArmPsciCpuSuspendStateFlags: FromBytes,

fn read_from_bytes(source: &[u8]) -> Result<Self, SizeError<&[u8], Self>>

where Self: Sized,

Reads a copy of Self from the given source.

fn read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), SizeError<&[u8], Self>>

where Self: Sized,

Reads a copy of Self from the prefix of the given source.

fn read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), SizeError<&[u8], Self>>

where Self: Sized,

Reads a copy of Self from the suffix of the given source.

impl FromZeros for DcfgArmPsciCpuSuspendState

where u32: FromZeros, ArmPsciCpuSuspendStateFlags: FromZeros,

fn zero(&mut self)

Overwrites self with zeros.

fn new_zeroed() -> Self

where Self: Sized,

Creates an instance of Self from zeroed bytes.

impl IntoBytes for DcfgArmPsciCpuSuspendState

where u32: IntoBytes, ArmPsciCpuSuspendStateFlags: IntoBytes, (): PaddingFree<Self, { _ }>,

fn as_mut_bytes(&mut self) -> &mut [u8]

where Self: FromBytes,

Gets the bytes of this value mutably.

impl PartialEq for DcfgArmPsciCpuSuspendState

fn eq(&self, other: &DcfgArmPsciCpuSuspendState) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl TryFromBytes for DcfgArmPsciCpuSuspendState

where u32: TryFromBytes, ArmPsciCpuSuspendStateFlags: TryFromBytes,

fn try_read_from_bytes( source: &[u8], ) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read the given source as a Self.

fn try_read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read a Self from the prefix of the given source.

fn try_read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read a Self from the suffix of the given source.

impl Copy for DcfgArmPsciCpuSuspendState

impl Eq for DcfgArmPsciCpuSuspendState

impl StructuralPartialEq for DcfgArmPsciCpuSuspendState