- sector_size = (buffer[8] << 24) | (buffer[9] << 16) |
- (buffer[10] << 8) | buffer[11];
- lba = (((u64)buffer[0] << 56) | ((u64)buffer[1] << 48) |
- ((u64)buffer[2] << 40) | ((u64)buffer[3] << 32) |
- ((u64)buffer[4] << 24) | ((u64)buffer[5] << 16) |
- ((u64)buffer[6] << 8) | (u64)buffer[7]);