Enum PartitionReference 

pub enum PartitionReference {
    Boot,
    Guid(Guid),
    Iso(String),
}

A reference to a specific partition.

Variants

Boot

The partition where the bootloader EFI executable was loaded from

For UEFI systems: This is determined by examining the LoadedImage protocol’s DeviceHandle, which tells us which partition the firmware loaded us from.

Syntax: boot(): Example: boot():/vmlinuz-linux

Guid(Guid)

Partition identified by GPT Partition GUID (PARTUUID)

This is the unique identifier from the GPT partition table entry, NOT the filesystem UUID. Each partition in a GPT table has a unique GUID assigned when the partition is created.

To find the PARTUUID on Linux:

blkid /dev/nvme0n1p2
# Shows: PARTUUID="550e8400-e29b-41d4-a716-446655440000"

Or inspect GPT directly:

sgdisk -i 2 /dev/nvme0n1
# Shows partition unique GUID

Syntax: guid(XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX)/path

Iso(String)

Drive is an ISO existing in the partition that the EFI image was loaded from. Kernel/executable is a path within this ISO filesystem that is provided to the kernel through the BLOCK_IO and SimpleFileSystem UEFI Protocols.

Syntax: iso(/uwuntu.iso)/vmlinuz

Implementations

impl PartitionReference

pub fn parse(s: &str) -> Result<Self, PathRefParseError>

Parse just the partition reference portion (before the final :)

Examples

PartitionReference::parse("boot")?;
PartitionReference::parse("guid:550e8400-e29b-41d4-a716-446655440000")?;

pub fn to_uri_prefix(&self) -> String

Convert to URI prefix (everything before the path)

Example

assert_eq!(PartitionReference::Boot.to_uri_prefix(), "boot():");

Trait Implementations

impl Clone for PartitionReference

fn clone(&self) -> PartitionReference

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PartitionReference

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

Formats the value using the given formatter.

impl PartialEq for PartitionReference

fn eq(&self, other: &PartitionReference) -> 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 Eq for PartitionReference

impl StructuralPartialEq for PartitionReference