xref: /llvm-project/llvm/docs/AMDGPU/gfx940_probe.rst (revision 62c46093f18f744be80758bfc6c9110e65b4434c)
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8.. _amdgpu_synid_gfx940_probe:
9
10probe
11=====
12
13A bit mask which indicates request permissions.
14
15This operand must be specified as an :ref:`integer_number<amdgpu_synid_integer_number>` or an :ref:`absolute_expression<amdgpu_synid_absolute_expression>`.
16The value is truncated to 7 bits, but only 3 low bits are significant.
17
18    ============ ==============================
19    Bit Number   Description
20    ============ ==============================
21    0            Request *read* permission.
22    1            Request *write* permission.
23    2            Request *execute* permission.
24    ============ ==============================
25