Struct RawScsiCmdRespFlags 

pub struct RawScsiCmdRespFlags(/* private fields */);

Represents the wire format for the flags in a SCSI Command Response PDU.

Implementations

impl RawScsiCmdRespFlags

pub const FINAL: u8 = 0b1000_0000

Bitmask for the Final flag.

pub const O_BIG: u8 = 0b0000_0100

Bitmask for the bidirectional read residual overflow flag.

pub const O_SMALL: u8 = 0b0001_0000

Bitmask for the bidirectional read residual underflow flag.

pub const U_BIG: u8 = 0b0000_0010

Bitmask for the residual overflow flag.

pub const U_SMALL: u8 = 0b0000_1000

Bitmask for the residual underflow flag.

pub const fn raw(&self) -> u8

Returns the raw 8-bit value of the flags.

pub const fn new_raw(v: u8) -> Self

Creates a new RawScsiCmdRespFlags from a raw 8-bit value.

pub fn fin(&self) -> bool

Checks if the Final flag is set.

pub fn o_small(&self) -> bool

Checks if the bidirectional read residual overflow flag is set.

pub fn u_small(&self) -> bool

Checks if the bidirectional read residual underflow flag is set.

pub fn o_big(&self) -> bool

Checks if the residual overflow flag is set.

pub fn u_big(&self) -> bool

Checks if the residual underflow flag is set.

pub fn set_fin(&mut self, on: bool)

Sets or clears the Final flag.

pub fn set_o_small(&mut self, on: bool)

Sets or clears the bidirectional read residual overflow flag.

pub fn set_u_small(&mut self, on: bool)

Sets or clears the bidirectional read residual underflow flag.

pub fn set_o_big(&mut self, on: bool)

Sets or clears the residual overflow flag.

pub fn set_u_big(&mut self, on: bool)

Sets or clears the residual underflow flag.

pub fn validate(&self) -> Result<()>

Validates the flags according to the iSCSI specification.

Trait Implementations

impl Clone for RawScsiCmdRespFlags

fn clone(&self) -> RawScsiCmdRespFlags

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RawScsiCmdRespFlags

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

Formats the value using the given formatter.

impl Default for RawScsiCmdRespFlags

fn default() -> RawScsiCmdRespFlags

Returns the “default value” for a type.

impl Eq for RawScsiCmdRespFlags

impl From<ScsiCommandResponseFlags> for RawScsiCmdRespFlags

fn from(f: ScsiCommandResponseFlags) -> Self

Converts to this type from the input type.

impl FromBytes for RawScsiCmdRespFlags

where u8: FromBytes,

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

where Self: KnownLayout + Immutable,

Interprets the given source as a &Self.

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

where Self: KnownLayout + Immutable,

Interprets the prefix of the given source as a &Self without copying.

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

where Self: Immutable + KnownLayout,

Interprets the suffix of the given bytes as a &Self.

fn mut_from_bytes( source: &mut [u8], ) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>

where Self: IntoBytes + KnownLayout,

Interprets the given source as a &mut Self.

fn mut_from_prefix( source: &mut [u8], ) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>

where Self: IntoBytes + KnownLayout,

Interprets the prefix of the given source as a &mut Self without copying.

fn mut_from_suffix( source: &mut [u8], ) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>

where Self: IntoBytes + KnownLayout,

Interprets the suffix of the given source as a &mut Self without copying.

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 RawScsiCmdRespFlags

where u8: 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 Immutable for RawScsiCmdRespFlags

where u8: Immutable,

impl IntoBytes for RawScsiCmdRespFlags

where u8: IntoBytes,

fn as_bytes(&self) -> &[u8]

where Self: Immutable,

Gets the bytes of this value.

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

where Self: FromBytes,

Gets the bytes of this value mutably.

fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>

where Self: Immutable,

Writes a copy of self to dst.

fn write_to_prefix( &self, dst: &mut [u8], ) -> Result<(), SizeError<&Self, &mut [u8]>>

where Self: Immutable,

Writes a copy of self to the prefix of dst.

fn write_to_suffix( &self, dst: &mut [u8], ) -> Result<(), SizeError<&Self, &mut [u8]>>

where Self: Immutable,

Writes a copy of self to the suffix of dst.

impl KnownLayout for RawScsiCmdRespFlags

where Self: Sized,

type PointerMetadata = ()

The type of metadata stored in a pointer to Self.

fn size_for_metadata(meta: Self::PointerMetadata) -> Option<usize>

Computes the size of an object of type Self with the given pointer metadata.

impl PartialEq for RawScsiCmdRespFlags

fn eq(&self, other: &RawScsiCmdRespFlags) -> 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 StructuralPartialEq for RawScsiCmdRespFlags

impl TryFrom<RawScsiCmdRespFlags> for ScsiCommandResponseFlags

type Error = Error

The type returned in the event of a conversion error.

fn try_from(r: RawScsiCmdRespFlags) -> Result<Self>

Performs the conversion.

impl TryFromBytes for RawScsiCmdRespFlags

where u8: TryFromBytes,

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

where Self: KnownLayout + Immutable,

Attempts to interpret the given source as a &Self.

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

where Self: KnownLayout + Immutable,

Attempts to interpret the prefix of the given source as a &Self.

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

where Self: KnownLayout + Immutable,

Attempts to interpret the suffix of the given source as a &Self.

fn try_mut_from_bytes( bytes: &mut [u8], ) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>

where Self: KnownLayout + IntoBytes,

Attempts to interpret the given source as a &mut Self without copying.

fn try_mut_from_prefix( source: &mut [u8], ) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>

where Self: KnownLayout + IntoBytes,

Attempts to interpret the prefix of the given source as a &mut Self.

fn try_mut_from_suffix( source: &mut [u8], ) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>

where Self: KnownLayout + IntoBytes,

Attempts to interpret the suffix of the given source as a &mut Self.

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.