Merge pull request #1503 from crawfxrd/fv2

uefi-raw: Add FirmwareVolume{,Block}2Protocol

Author: nicholasbishop

uefi-raw/CHANGELOG.md

@@ -5,6 +5,8 @@
 - Added `protocol::string::UnicodeCollationProtocol`.
 - Added `protocol::tcg` module, containing the TCG v1 and v2 protocols.
 - Added `DriverBindingProtocol`.
+- Added `FirmwareVolume2Protocol`.
+- Added `FirmwareVolumeBlock2Protocol`.
 
 
 # uefi-raw - 0.9.0 (2024-10-23)

uefi-raw/src/protocol/firmware_volume.rs

@@ -0,0 +1,247 @@
+use crate::firmware_storage::FirmwareVolumeAttributes;
+use crate::protocol::block::Lba;
+use crate::{guid, Guid, Handle, PhysicalAddress, Status};
+use core::ffi::c_void;
+use core::ops::RangeInclusive;
+
+bitflags::bitflags! {
+    /// EFI_FV_ATTRIBUTES
+    #[derive(Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
+    #[repr(transparent)]
+    pub struct FvAttributes: u64 {
+        const READ_DISABLE_CAP = 1 << 0;
+        const READ_ENABLE_CAP = 1 << 1;
+        const READ_STATUS = 1 << 2;
+
+        const WRITE_DISABLE_CAP = 1 << 3;
+        const WRITE_ENABLE_CAP = 1 << 4;
+        const WRITE_STATUS = 1 << 5;
+
+        const LOCK_CAP = 1 << 6;
+        const LOCK_STATUS = 1 << 7;
+        const WRITE_POLICY_RELIABLE = 1 << 8;
+        const READ_LOCK_CAP = 1 << 12;
+        const READ_LOCK_STATUS = 1 << 13;
+        const WRITE_LOCK_CAP = 1 << 14;
+        const WRITE_LOCK_STATUS = 1 << 15;
+
+        const ALIGNMENT = 0x1F << 16;
+        const ALIGNMENT_1 = 0x00 << 16;
+        const ALIGNMENT_2 = 0x01 << 16;
+        const ALIGNMENT_4 = 0x02 << 16;
+        const ALIGNMENT_8 = 0x03 << 16;
+        const ALIGNMENT_16 = 0x04 << 16;
+        const ALIGNMENT_32 = 0x05 << 16;
+        const ALIGNMENT_64 = 0x06 << 16;
+        const ALIGNMENT_128 = 0x07 << 16;
+        const ALIGNMENT_256 = 0x08 << 16;
+        const ALIGNMENT_512 = 0x09 << 16;
+        const ALIGNMENT_1K = 0x0A << 16;
+        const ALIGNMENT_2K = 0x0B << 16;
+        const ALIGNMENT_4K = 0x0C << 16;
+        const ALIGNMENT_8K = 0x0D << 16;
+        const ALIGNMENT_16K = 0x0E << 16;
+        const ALIGNMENT_32K = 0x0F << 16;
+        const ALIGNMENT_64K = 0x10 << 16;
+        const ALIGNMENT_128K = 0x11 << 16;
+        const ALIGNMENT_256K = 0x12 << 16;
+        const ALIGNMENT_512K = 0x13 << 16;
+        const ALIGNMENT_1M = 0x14 << 16;
+        const ALIGNMENT_2M = 0x15 << 16;
+        const ALIGNMENT_4M = 0x16 << 16;
+        const ALIGNMENT_8M = 0x17 << 16;
+        const ALIGNMENT_16M = 0x18 << 16;
+        const ALIGNMENT_32M = 0x19 << 16;
+        const ALIGNMENT_64M = 0x1A << 16;
+        const ALIGNMENT_128M = 0x1B << 16;
+        const ALIGNMENT_256M = 0x1C << 16;
+        const ALIGNMENT_512M = 0x1D << 16;
+        const ALIGNMENT_1G = 0x1E << 16;
+        const ALIGNMENT_2G = 0x1F << 16;
+    }
+}
+
+bitflags::bitflags! {
+    /// EFI_FV_FILE_ATTRIBUTES
+    #[derive(Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
+    #[repr(transparent)]
+    pub struct FvFileAttributes: u32 {
+        const ALIGNMENT = 0x1F;
+        const FIXED = 1 << 8;
+        const MEMORY_MAPPED = 1 << 9;
+    }
+}
+
+newtype_enum! {
+    /// EFI_FV_WRITE_POLICY
+    pub enum FvWritePolicy: u32 => {
+        EFI_FV_UNRELIABLE_WRITE = 0,
+        EFI_FV_RELIABLE_WRITE = 1,
+    }
+}
+
+newtype_enum! {
+    /// EFI_FV_FILETYPE
+    pub enum FvFiletype: u8 => {
+        ALL = 0x00,
+        RAW = 0x01,
+        FREEFORM = 0x02,
+        SECURITY_CORE = 0x03,
+        PEI_CORE = 0x04,
+        DXE_CORE = 0x05,
+        PEIM = 0x06,
+        DRIVER = 0x07,
+        COMBINED_PEIM_DRIVER = 0x08,
+        APPLICATION = 0x09,
+        MM = 0x0A,
+        FIRMWARE_VOLUME_IMAGE = 0x0B,
+        COMBINED_MM_DXE = 0x0C,
+        MM_CORE = 0x0D,
+        MM_STANDALONE = 0x0E,
+        MM_CORE_STANDALONE = 0x0F,
+        FFS_PAD = 0xF0,
+    }
+}
+
+impl FvFiletype {
+    pub const OEM_RANGE: RangeInclusive<u8> = 0xC0..=0xDF;
+    pub const DEBUG_RANGE: RangeInclusive<u8> = 0xE0..=0xEF;
+    pub const FFS_RANGE: RangeInclusive<u8> = 0xF0..=0xFF;
+}
+
+newtype_enum! {
+    /// EFI_SECTION_TYPE
+    pub enum SectionType: u8 => {
+        ALL = 0x00,
+        COMPRESSION = 0x01,
+        GUID_DEFINED = 0x02,
+        DISPOSABLE = 0x03,
+        PE32 = 0x10,
+        PIC = 0x11,
+        TE = 0x12,
+        DXE_DEPEX = 0x13,
+        VERSION = 0x14,
+        USER_INTERFACE = 0x15,
+        COMPATIBILITY16 = 0x16,
+        FIRMWARE_VOLUME_IMAGE = 0x17,
+        FREEFORM_SUBTYPE_GUID = 0x18,
+        RAW = 0x19,
+        PEI_DEPEX = 0x1B,
+        MM_DEPEX = 0x1C,
+    }
+}
+
+/// EFI_FV_WRITE_FILE_DATA
+#[derive(Debug)]
+#[repr(C)]
+pub struct FvWriteFileData {
+    pub name_guid: *const Guid,
+    pub r#type: FvFiletype,
+    pub file_attributes: FvFileAttributes,
+    pub buffer: *const u8,
+    pub buffer_size: u32,
+}
+
+/// EFI_FIRMWARE_VOLUME2_PROTOCOL
+#[derive(Debug)]
+#[repr(C)]
+pub struct FirmwareVolume2Protocol {
+    pub get_volume_attributes:
+        unsafe extern "efiapi" fn(this: *const Self, fv_attributes: *mut FvAttributes) -> Status,
+    pub set_volume_attributes:
+        unsafe extern "efiapi" fn(this: *const Self, fv_attributes: *mut FvAttributes) -> Status,
+    pub read_file: unsafe extern "efiapi" fn(
+        this: *const Self,
+        name_guid: *const Guid,
+        buffer: *mut *mut c_void,
+        buffer_size: *mut usize,
+        found_type: *mut FvFiletype,
+        file_attributes: *mut FvFileAttributes,
+        authentication_status: *mut u32,
+    ) -> Status,
+    pub read_section: unsafe extern "efiapi" fn(
+        this: *const Self,
+        name_guid: *const Guid,
+        section_type: SectionType,
+        section_instance: usize,
+        buffer: *mut *mut c_void,
+        buffer_size: *mut usize,
+        authentication_status: *mut u32,
+    ) -> Status,
+    pub write_file: unsafe extern "efiapi" fn(
+        this: *const Self,
+        number_of_files: u32,
+        write_policy: FvWritePolicy,
+        file_data: *const FvWriteFileData,
+    ) -> Status,
+    pub get_next_file: unsafe extern "efiapi" fn(
+        this: *const Self,
+        key: *mut c_void,
+        file_type: *mut FvFiletype,
+        name_guid: *mut Guid,
+        attributes: *mut FvFileAttributes,
+        size: *mut usize,
+    ) -> Status,
+    pub key_size: u32,
+    pub parent_handle: Handle,
+    pub get_info: unsafe extern "efiapi" fn(
+        this: *const Self,
+        information_type: *const Guid,
+        buffer_size: *mut usize,
+        buffer: *mut c_void,
+    ) -> Status,
+    pub set_info: unsafe extern "efiapi" fn(
+        this: *const Self,
+        information_type: *const Guid,
+        buffer_size: usize,
+        buffer: *const c_void,
+    ) -> Status,
+}
+
+impl FirmwareVolume2Protocol {
+    pub const GUID: Guid = guid!("220e73b6-6bdb-4413-8405-b974b108619a");
+}
+
+/// EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL
+#[derive(Debug)]
+#[repr(C)]
+pub struct FirmwareVolumeBlock2Protocol {
+    pub get_attributes: unsafe extern "efiapi" fn(
+        this: *const Self,
+        attributes: *mut FirmwareVolumeAttributes,
+    ) -> Status,
+    pub set_attributes: unsafe extern "efiapi" fn(
+        this: *const Self,
+        attributes: *mut FirmwareVolumeAttributes,
+    ) -> Status,
+    pub get_physical_address:
+        unsafe extern "efiapi" fn(this: *const Self, address: *mut PhysicalAddress) -> Status,
+    pub get_block_size: unsafe extern "efiapi" fn(
+        this: *const Self,
+        lba: Lba,
+        block_size: *mut usize,
+        number_of_blocks: *mut usize,
+    ) -> Status,
+    pub read: unsafe extern "efiapi" fn(
+        this: *const Self,
+        lba: Lba,
+        offset: usize,
+        num_bytes: *mut usize,
+        buffer: *mut u8,
+    ) -> Status,
+    pub write: unsafe extern "efiapi" fn(
+        this: *const Self,
+        lba: Lba,
+        offset: usize,
+        num_bytes: *mut usize,
+        buffer: *mut u8,
+    ) -> Status,
+    // TODO: Change to efiapi (https://github.com/rust-lang/rust/issues/100189)
+    pub erase_blocks: unsafe extern "C" fn(this: *const Self, ...) -> Status,
+    pub parent_handle: Handle,
+}
+
+impl FirmwareVolumeBlock2Protocol {
+    pub const GUID: Guid = guid!("8f644fa9-e850-4db1-9ce2-0b44698e8da4");
+    pub const LBA_LIST_TERMINATOR: u64 = u64::MAX;
+}

uefi-raw/src/protocol/mod.rs

@@ -10,6 +10,7 @@ pub mod device_path;
 pub mod disk;
 pub mod driver;
 pub mod file_system;
+pub mod firmware_volume;
 pub mod loaded_image;
 pub mod media;
 pub mod memory_protection;