r_efi/protocols/
block_io.rs

1//! Block I/O Protocol
2//!
3//! Used to abstract mass storage devices to allow code running in the EFI boot services environment
4//! to access the storage devices without specific knowledge of the type of device or controller that
5//! manages the device.
6
7pub const PROTOCOL_GUID: crate::base::Guid = crate::base::Guid::from_fields(
8    0x964e5b21,
9    0x6459,
10    0x11d2,
11    0x8e,
12    0x39,
13    &[0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b],
14);
15
16pub const REVISION: u64 = 0x0000000000010000u64;
17pub const REVISION2: u64 = 0x0000000000020001u64;
18pub const REVISION3: u64 = 0x000000000002001fu64;
19
20#[repr(C)]
21#[derive(Clone, Copy, Debug)]
22pub struct Media {
23    pub media_id: u32,
24    pub removable_media: bool,
25    pub media_present: bool,
26    pub logical_partition: bool,
27    pub read_only: bool,
28    pub write_caching: bool,
29    pub block_size: u32,
30    pub io_align: u32,
31    pub last_block: crate::base::Lba,
32    pub lowest_aligned_lba: crate::base::Lba,
33    pub logical_blocks_per_physical_block: u32,
34    pub optimal_transfer_length_granularity: u32,
35}
36
37pub type ProtocolReset = eficall! {fn(
38    *mut Protocol,
39    crate::base::Boolean,
40) -> crate::base::Status};
41
42pub type ProtocolReadBlocks = eficall! {fn(
43    *mut Protocol,
44    u32,
45    crate::base::Lba,
46    usize,
47    *mut core::ffi::c_void,
48) -> crate::base::Status};
49
50pub type ProtocolWriteBlocks = eficall! {fn(
51    *mut Protocol,
52    u32,
53    crate::base::Lba,
54    usize,
55    *mut core::ffi::c_void,
56) -> crate::base::Status};
57
58pub type ProtocolFlushBlocks = eficall! {fn(
59    *mut Protocol,
60) -> crate::base::Status};
61
62#[repr(C)]
63pub struct Protocol {
64    pub revision: u64,
65    pub media: *const Media,
66    pub reset: ProtocolReset,
67    pub read_blocks: ProtocolReadBlocks,
68    pub write_blocks: ProtocolWriteBlocks,
69    pub flush_blocks: ProtocolFlushBlocks,
70}
r_efi/protocols/block_io.rs

r_efi/protocols/
block_io.rs
