189     pub fn read_from_user<T>(&self, offset: usize) -> Result<&[T], SystemError> {  in read_from_user()  argument
197     pub fn read_one_from_user<T>(&self, offset: usize) -> Result<&T, SystemError> {  in read_one_from_user()  argument
206     pub fn copy_from_user<T: core::marker::Copy>(  in copy_from_user()
208         dst: &mut [T],  in copy_from_user()  argument
221     pub fn copy_one_from_user<T: core::marker::Copy>(  in copy_one_from_user()
223         dst: &mut T,  in copy_one_from_user()  argument
226         let data = self.convert_one_with_offset::<T>(self.buffer, offset)?;  in copy_one_from_user()
236     pub fn buffer<T>(&self, offset: usize) -> Result<&[T], SystemError> {  in buffer()  argument
237         self.convert_with_offset::<T>(self.buffer, offset)  in buffer()
241     fn convert_with_offset<T>(&self, src: &[u8], offset: usize) -> Result<&[T], SystemError> {  in convert_with_offset()  argument
246         if byte_buffer.len() % core::mem::size_of::<T>() != 0 || byte_buffer.is_empty() {  in convert_with_offset()
252                 byte_buffer.as_ptr() as *const T,  in convert_with_offset()  constant
253                 byte_buffer.len() / core::mem::size_of::<T>(),  in convert_with_offset()
259     fn convert_one_with_offset<T>(&self, src: &[u8], offset: usize) -> Result<&T, SystemError> {  in convert_one_with_offset()  argument
260         if offset + core::mem::size_of::<T>() > src.len() {  in convert_one_with_offset()
263         let byte_buffer: &[u8] = &src[offset..offset + core::mem::size_of::<T>()];  in convert_one_with_offset()
265         let chunks = unsafe { from_raw_parts(byte_buffer.as_ptr() as *const T, 1) };  in convert_one_with_offset()  constant
298     pub fn copy_to_user<T: core::marker::Copy>(  in copy_to_user()
300         src: &[T],  in copy_to_user()  argument
314     pub fn copy_one_to_user<T: core::marker::Copy>(  in copy_one_to_user()
316         src: &T,  in copy_one_to_user()  argument
319         let dst = Self::convert_one_with_offset::<T>(self.buffer, offset)?;  in copy_one_to_user()
324     pub fn buffer<T>(&'a mut self, offset: usize) -> Result<&mut [T], SystemError> {  in buffer()  argument
325         Self::convert_with_offset::<T>(self.buffer, offset).map_err(|_| SystemError::EINVAL)  in buffer()
328     fn convert_with_offset<T>(src: &mut [u8], offset: usize) -> Result<&mut [T], SystemError> {  in convert_with_offset()  argument
333         if byte_buffer.len() % core::mem::size_of::<T>() != 0 || byte_buffer.is_empty() {  in convert_with_offset()
339                 byte_buffer.as_mut_ptr() as *mut T,  in convert_with_offset()
340                 byte_buffer.len() / core::mem::size_of::<T>(),  in convert_with_offset()
346     fn convert_one_with_offset<T>(src: &mut [u8], offset: usize) -> Result<&mut T, SystemError> {  in convert_one_with_offset()  argument
347         if offset + core::mem::size_of::<T>() > src.len() {  in convert_one_with_offset()
350         let byte_buffer: &mut [u8] = &mut src[offset..offset + core::mem::size_of::<T>()];  in convert_one_with_offset()
352         let chunks = unsafe { from_raw_parts_mut(byte_buffer.as_mut_ptr() as *mut T, 1) };  in convert_one_with_offset()