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101 lines
5.0 KiB
ReStructuredText
101 lines
5.0 KiB
ReStructuredText
..
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**************************************************
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* *
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* Automatically generated file, do not edit! *
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* *
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**************************************************
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.. _amdgpu_synid_gfx90a_msg:
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msg
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===
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A 16-bit message code. The bits of this operand have the following meaning:
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============ =============================== ===============
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Bits Description Value Range
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============ =============================== ===============
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3:0 Message *type*. 0..15
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6:4 Optional *operation*. 0..7
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7:7 Unused. \-
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9:8 Optional *stream*. 0..3
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15:10 Unused. \-
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============ =============================== ===============
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This operand may be specified as one of the following:
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* An :ref:`integer_number<amdgpu_synid_integer_number>` or an :ref:`absolute_expression<amdgpu_synid_absolute_expression>`. The value must be in the range from 0 to 0xFFFF.
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* A *sendmsg* value which is described below.
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==================================== ====================================================
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Sendmsg Value Syntax Description
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==================================== ====================================================
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sendmsg(<*type*>) A message identified by its *type*.
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sendmsg(<*type*>,<*op*>) A message identified by its *type* and *operation*.
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sendmsg(<*type*>,<*op*>,<*stream*>) A message identified by its *type* and *operation*
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with a stream *id*.
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==================================== ====================================================
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*Type* may be specified using message *name* or message *id*.
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*Op* may be specified using operation *name* or operation *id*.
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Stream *id* is an integer in the range from 0 to 3.
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Numeric values may be specified as positive :ref:`integer numbers<amdgpu_synid_integer_number>`
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or :ref:`absolute expressions<amdgpu_synid_absolute_expression>`.
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Each message type supports specific operations:
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====================== ========== ============================== ============ ==========
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Message name Message Id Supported Operations Operation Id Stream Id
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====================== ========== ============================== ============ ==========
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MSG_INTERRUPT 1 \- \- \-
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MSG_GS 2 GS_OP_CUT 1 Optional
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\ GS_OP_EMIT 2 Optional
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\ GS_OP_EMIT_CUT 3 Optional
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MSG_GS_DONE 3 GS_OP_NOP 0 \-
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\ GS_OP_CUT 1 Optional
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\ GS_OP_EMIT 2 Optional
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\ GS_OP_EMIT_CUT 3 Optional
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MSG_SAVEWAVE 4 \- \- \-
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MSG_STALL_WAVE_GEN 5 \- \- \-
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MSG_HALT_WAVES 6 \- \- \-
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MSG_ORDERED_PS_DONE 7 \- \- \-
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MSG_EARLY_PRIM_DEALLOC 8 \- \- \-
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MSG_GS_ALLOC_REQ 9 \- \- \-
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MSG_GET_DOORBELL 10 \- \- \-
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MSG_SYSMSG 15 SYSMSG_OP_ECC_ERR_INTERRUPT 1 \-
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\ SYSMSG_OP_REG_RD 2 \-
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\ SYSMSG_OP_TTRACE_PC 4 \-
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====================== ========== ============================== ============ ==========
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*Sendmsg* arguments are validated depending on how *type* value is specified:
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* If message *type* is specified by name, arguments values must satisfy limitations detailed in the table above.
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* If message *type* is specified as a number, each argument must not exceed the corresponding value range (see the first table).
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Examples:
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.. parsed-literal::
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// numeric message code
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msg = 0x10
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s_sendmsg 0x12
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s_sendmsg msg + 2
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// sendmsg with strict arguments validation
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s_sendmsg sendmsg(MSG_INTERRUPT)
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s_sendmsg sendmsg(MSG_GS, GS_OP_EMIT)
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s_sendmsg sendmsg(MSG_GS, 2)
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s_sendmsg sendmsg(MSG_GS_DONE, GS_OP_EMIT_CUT, 1)
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s_sendmsg sendmsg(MSG_SYSMSG, SYSMSG_OP_TTRACE_PC)
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s_sendmsg sendmsg(MSG_GET_DOORBELL)
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// sendmsg with validation of value range only
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msg = 2
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op = 3
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stream = 1
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s_sendmsg sendmsg(msg, op, stream)
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s_sendmsg sendmsg(2, GS_OP_CUT)
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