1 files changed, 70 insertions, 0 deletions
diff --git a/vendor/r-efi/src/protocols/block_io.rs b/vendor/r-efi/src/protocols/block_io.rs
new file mode 100644
index 000000000..26a2c0a10
--- /dev/null
+++ b/vendor/r-efi/src/protocols/block_io.rs
@@ -0,0 +1,70 @@
+//! Block I/O Protocol
+//!
+//! Used to abstract mass storage devices to allow code running in the EFI boot services environment
+//! to access the storage devices without specific knowledge of the type of device or controller that
+//! manages the device.
+
+pub const PROTOCOL_GUID: crate::base::Guid = crate::base::Guid::from_fields(
+    0x964e5b21,
+    0x6459,
+    0x11d2,
+    0x8e,
+    0x39,
+    &[0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b],
+);
+
+pub const REVISION: u64 = 0x0000000000010000u64;
+pub const REVISION2: u64 = 0x0000000000020001u64;
+pub const REVISION3: u64 = 0x000000000002001fu64;
+
+#[repr(C)]
+#[derive(Clone, Copy, Debug)]
+pub struct Media {
+    pub media_id: u32,
+    pub removable_media: bool,
+    pub media_present: bool,
+    pub logical_partition: bool,
+    pub read_only: bool,
+    pub write_caching: bool,
+    pub block_size: u32,
+    pub io_align: u32,
+    pub last_block: crate::base::Lba,
+    pub lowest_aligned_lba: crate::base::Lba,
+    pub logical_blocks_per_physical_block: u32,
+    pub optimal_transfer_length_granularity: u32,
+}
+
+pub type ProtocolReset = eficall! {fn(
+    *mut Protocol,
+    crate::base::Boolean,
+) -> crate::base::Status};
+
+pub type ProtocolReadBlocks = eficall! {fn(
+    *mut Protocol,
+    u32,
+    crate::base::Lba,
+    usize,
+    *mut core::ffi::c_void,
+) -> crate::base::Status};
+
+pub type ProtocolWriteBlocks = eficall! {fn(
+    *mut Protocol,
+    u32,
+    crate::base::Lba,
+    usize,
+    *mut core::ffi::c_void,
+) -> crate::base::Status};
+
+pub type ProtocolFlushBlocks = eficall! {fn(
+    *mut Protocol,
+) -> crate::base::Status};
+
+#[repr(C)]
+pub struct Protocol {
+    pub revision: u64,
+    pub media: *const Media,
+    pub reset: ProtocolReset,
+    pub read_blocks: ProtocolReadBlocks,
+    pub write_blocks: ProtocolWriteBlocks,
+    pub flush_blocks: ProtocolFlushBlocks,
+}