Module deprecated 

Legacy raw-pointer-based parameter API (deprecated).

The types in this module use raw *mut TEE_Param pointers and require manual unsafe casts at every call site. New code should use the typed wrappers instead:

Legacy type	Replacement
Parameters	Use FromRawParameters with a 4-tuple of typed wrappers (e.g. (ParameterNone, ParameterMemrefInput, ParameterValueOutput, ParameterMemrefOutput))
Parameter	Use the concrete types: ParameterValueInput, ParameterValueOutput, ParameterMemrefInput, etc.
ParamValue	Use the concrete types: ParameterValueInput, ParameterValueOutput, ParameterValueInout, and the traits: ParameterValueRead and ParameterValueWrite
ParamMemref	Use the concrete types: ParameterMemrefInput, ParameterMemrefOutput, ParameterMemrefInout, and the traits: ParameterMemrefRead and ParameterMemrefWrite

Example migration

Old (deprecated) code:

fn invoke_command(cmd_id: u32, params: &mut Parameters) -> Result<()> {
    let mut p0 = unsafe { params.0.as_memref()? };
    // extra codes here...
    let data = p0.buffer();
    data.copy_from_slice(&output);
    p0.set_updated_size(output.len());
}

New code:

use optee_utee::prelude::*;

fn invoke_command(cmd_id: u32, params: &mut (ParameterMemrefInout, ...)) -> Result<()> {
    let p0 = &mut params.0;
    // extra codes here...
    p0.write_at(0, output)
}

Structs

ParamMemref

Lightweight accessor for a memory-reference TEE parameter.

ParamTypes

Deprecated

ParamValue

Deprecated

Parameter

Deprecated

Parameters

Deprecated