.. _amdgpu_synid_sendmsg_rtn: sendmsg_rtn =========== An 8-bit value in the instruction to encode the message type. This operand may be specified as one of the following: * An :ref:`integer_number` or an :ref:`absolute_expression`. The value must be in the range 0..0xFFFF. * A *sendmsg* value described below. ==================================== ==================================================== Sendmsg Value Syntax Description ==================================== ==================================================== sendmsg(MSG_RTN_GET_DOORBELL) Get doorbell ID. sendmsg(MSG_RTN_GET_DDID) Get Draw/Dispatch ID. sendmsg(MSG_RTN_GET_TMA) Get TMA value. sendmsg(MSG_RTN_GET_TBA) Get TBA value. sendmsg(MSG_RTN_GET_REALTIME) Get REALTIME value. sendmsg(MSG_RTN_SAVE_WAVE) Report that this wave is ready to be context-saved. ==================================== ==================================================== Examples: .. parsed-literal:: s_sendmsg_rtn_b32 s0, 132 s_sendmsg_rtn_b32 s0, sendmsg(MSG_GET_REALTIME)