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#![allow(non_upper_case_globals)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
#![allow(unused)]
include!(concat!(env!("OUT_DIR"), "/bcachefs.rs"));
use bitfield::bitfield;
bitfield! {
pub struct bch_scrypt_flags(u64);
pub N, _: 15, 0;
pub R, _: 31, 16;
pub P, _: 47, 32;
}
bitfield! {
pub struct bch_crypt_flags(u64);
pub TYPE, _: 4, 0;
}
use memoffset::offset_of;
impl bch_sb_field_crypt {
pub fn scrypt_flags(&self) -> Option<bch_scrypt_flags> {
use std::convert::TryInto;
match bch_kdf_types(bch_crypt_flags(self.flags).TYPE().try_into().ok()?) {
bch_kdf_types::BCH_KDF_SCRYPT => Some(bch_scrypt_flags(self.kdf_flags)),
_ => None,
}
}
pub fn key(&self) -> &bch_encrypted_key {
&self.key
}
}
impl PartialEq for bch_sb {
fn eq(&self, other: &Self) -> bool {
self.magic.b == other.magic.b
&& self.user_uuid.b == other.user_uuid.b
&& self.block_size == other.block_size
&& self.version == other.version
&& self.uuid.b == other.uuid.b
&& self.seq == other.seq
}
}
impl bch_sb {
pub fn crypt(&self) -> Option<&bch_sb_field_crypt> {
unsafe {
let ptr = bch2_sb_field_get_id(
self as *const _ as *mut _,
bch_sb_field_type::BCH_SB_FIELD_crypt,
) as *const u8;
if ptr.is_null() {
None
} else {
let offset = offset_of!(bch_sb_field_crypt, field);
Some(&*((ptr.sub(offset)) as *const _))
}
}
}
pub fn uuid(&self) -> uuid::Uuid {
uuid::Uuid::from_bytes(self.user_uuid.b)
}
/// Get the nonce used to encrypt the superblock
pub fn nonce(&self) -> nonce {
use byteorder::{LittleEndian, ReadBytesExt};
let mut internal_uuid = &self.uuid.b[..];
let dword1 = internal_uuid.read_u32::<LittleEndian>().unwrap();
let dword2 = internal_uuid.read_u32::<LittleEndian>().unwrap();
nonce {
d: [0, 0, dword1, dword2],
}
}
}
impl bch_sb_handle {
pub fn sb(&self) -> &bch_sb {
unsafe { &*self.sb }
}
pub fn bdev(&self) -> &block_device {
unsafe { &*self.bdev }
}
}
#[repr(C)]
// #[repr(align(8))]
#[derive(Debug, Default, Copy, Clone)]
pub struct bch_extent_ptr {
pub _bitfield_1: __BindgenBitfieldUnit<[u8; 8usize]>,
}
#[repr(C, packed(8))]
pub struct btree_node {
pub csum: bch_csum,
pub magic: __le64,
pub flags: __le64,
pub min_key: bpos,
pub max_key: bpos,
pub _ptr: bch_extent_ptr,
pub format: bkey_format,
pub __bindgen_anon_1: btree_node__bindgen_ty_1,
}
#[repr(C, packed(8))]
// #[repr(align(8))]
#[derive(Debug, Default, Copy, Clone)]
pub struct bch_extent_crc32 {
pub _bitfield_1: __BindgenBitfieldUnit<[u8; 4usize]>,
pub csum: __u32,
}
// #[repr(u8)]
pub enum rhash_lock_head {}
pub enum srcu_struct {}
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