protocols: add the DEVICE PATH UTILIITES protocol

This is a required protocol.

Signed-off-by: Tom Gundersen <[email protected]>

src/protocols.rs

@@ -6,6 +6,7 @@
 
 pub mod decompress;
 pub mod device_path;
+pub mod device_path_utilities;
 pub mod file;
 pub mod loaded_image;
 pub mod simple_file_system;

src/protocols/device_path_utilities.rs

@@ -0,0 +1,42 @@
+//! Decompress Protocol
+//!
+//! The decompress protocol provides a decompression service that allows a compressed source
+//! buffer in memory to be decompressed into a destination buffer in memory.
+
+pub const PROTOCOL_GUID: crate::base::Guid = crate::base::Guid::from_fields(
+    0x379be4e, 0xd706, 0x437d, 0b0, 037, &[0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4]
+);
+
+#[repr(C)]
+pub struct Protocol {
+    pub get_device_path_size: eficall!{fn(
+        *const crate::protocols::device_path::Protocol,
+    ) -> usize},
+    pub dup_device_path: eficall!{fn(
+        *const crate::protocols::device_path::Protocol,
+    ) -> *mut crate::protocols::device_path::Protocol},
+    pub append_path: eficall!{fn(
+        *const crate::protocols::device_path::Protocol,
+        *const crate::protocols::device_path::Protocol,
+    ) -> *mut crate::protocols::device_path::Protocol},
+    pub append_node: eficall!{fn(
+        *const crate::protocols::device_path::Protocol,
+        *const crate::protocols::device_path::Protocol,
+    ) -> *mut crate::protocols::device_path::Protocol},
+    pub append_instance: eficall!{fn(
+        *const crate::protocols::device_path::Protocol,
+        *const crate::protocols::device_path::Protocol,
+    ) -> *mut crate::protocols::device_path::Protocol},
+    pub get_next_instance: eficall!{fn(
+        *mut *mut crate::protocols::device_path::Protocol,
+        *mut usize,
+        ) -> *mut crate::protocols::device_path::Protocol},
+    pub is_multi_instance: eficall!{fn(
+        *const crate::protocols::device_path::Protocol,
+    ) -> crate::base::Boolean},
+    pub create_node: eficall!{fn(
+        u8,
+        u8,
+        u16,
+    ) -> *mut crate::protocols::device_path::Protocol},
+}