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1 ..
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2 **************************************************
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3 * *
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4 * Automatically generated file, do not edit! *
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5 * *
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6 **************************************************
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7
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8 .. _amdgpu_synid10_msg:
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9
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10 msg
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11 ===========================
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12
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13 A 16-bit message code. The bits of this operand have the following meaning:
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14
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15 ============ =============================== ===============
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16 Bits Description Value Range
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17 ============ =============================== ===============
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18 3:0 Message *type*. 0..15
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19 6:4 Optional *operation*. 0..7
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20 7:7 Unused. \-
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21 9:8 Optional *stream*. 0..3
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22 15:10 Unused. \-
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23 ============ =============================== ===============
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24
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25 This operand may be specified as one of the following:
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26
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27 * An :ref:`integer_number<amdgpu_synid_integer_number>` or an :ref:`absolute_expression<amdgpu_synid_absolute_expression>`. The value must be in the range 0..0xFFFF.
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28 * A *sendmsg* value described below.
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29
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30 ==================================== ====================================================
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31 Sendmsg Value Syntax Description
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32 ==================================== ====================================================
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33 sendmsg(<*type*>) A message identified by its *type*.
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34 sendmsg(<*type*>,<*op*>) A message identified by its *type* and *operation*.
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35 sendmsg(<*type*>,<*op*>,<*stream*>) A message identified by its *type* and *operation*
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36 with a stream *id*.
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37 ==================================== ====================================================
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38
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39 *Type* may be specified using message *name* or message *id*.
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40
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41 *Op* may be specified using operation *name* or operation *id*.
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42
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43 Stream *id* is an integer in the range 0..3.
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44
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45 Numeric values may be specified as positive :ref:`integer numbers<amdgpu_synid_integer_number>`
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46 or :ref:`absolute expressions<amdgpu_synid_absolute_expression>`.
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47
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48 Each message type supports specific operations:
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49
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50 ================= ========== ============================== ============ ==========
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51 Message name Message Id Supported Operations Operation Id Stream Id
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52 ================= ========== ============================== ============ ==========
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53 MSG_INTERRUPT 1 \- \- \-
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54 MSG_GS 2 GS_OP_CUT 1 Optional
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55 \ GS_OP_EMIT 2 Optional
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56 \ GS_OP_EMIT_CUT 3 Optional
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57 MSG_GS_DONE 3 GS_OP_NOP 0 \-
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58 \ GS_OP_CUT 1 Optional
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59 \ GS_OP_EMIT 2 Optional
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60 \ GS_OP_EMIT_CUT 3 Optional
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61 MSG_GS_ALLOC_REQ 9 \- \- \-
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62 MSG_GET_DOORBELL 10 \- \- \-
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63 MSG_SYSMSG 15 SYSMSG_OP_ECC_ERR_INTERRUPT 1 \-
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64 \ SYSMSG_OP_REG_RD 2 \-
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65 \ SYSMSG_OP_HOST_TRAP_ACK 3 \-
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66 \ SYSMSG_OP_TTRACE_PC 4 \-
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67 ================= ========== ============================== ============ ==========
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68
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69 *Sendmsg* arguments are validated depending on how *type* value is specified:
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70
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71 * If message *type* is specified by name, arguments values must satisfy limitations detailed in the table above.
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72 * If message *type* is specified as a number, each argument must not exceed corresponding value range (see the first table).
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73
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74 Examples:
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75
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76 .. parsed-literal::
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77
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78 // numeric message code
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79 msg = 0x10
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80 s_sendmsg 0x12
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81 s_sendmsg msg + 2
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82
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83 // sendmsg with strict arguments validation
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84 s_sendmsg sendmsg(MSG_INTERRUPT)
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85 s_sendmsg sendmsg(MSG_GS, GS_OP_EMIT)
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86 s_sendmsg sendmsg(MSG_GS, 2)
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87 s_sendmsg sendmsg(MSG_GS_DONE, GS_OP_EMIT_CUT, 1)
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88 s_sendmsg sendmsg(MSG_SYSMSG, SYSMSG_OP_TTRACE_PC)
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89 s_sendmsg sendmsg(MSG_GET_DOORBELL)
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90
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91 // sendmsg with validation of value range only
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92 msg = 2
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93 op = 3
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94 stream = 1
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95 s_sendmsg sendmsg(msg, op, stream)
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96 s_sendmsg sendmsg(2, GS_OP_CUT)
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97
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