operators: add AIEConv2d (aie2/aie2p bf16)

.gitignore

@@ -23,3 +23,6 @@ id_ed25519.pub
 *.egg-info
 **/*.prj/**
 /outputs/
+
+# Local agent tooling
+.grok/

iron/common/__init__.py

@@ -5,6 +5,7 @@
 
 from .base import (
     AIEOperatorBase,
+    AIEOperatorConstraintError,
     MLIROperator,
     CompositeOperator,
     AIERuntimeArgSpec,
@@ -16,6 +17,8 @@
     KernelArchiveArtifact,
     SourceArtifact,
     PythonGeneratedMLIRArtifact,
+    XclbinArtifact,
+    InstsBinArtifact,
     DesignGenerator,
 )
 from .layout import Stride, TiledStride, TiledStridedLayout, tiled_2d

iron/common/base.py

@@ -216,3 +216,15 @@ def __post_init__(self) -> None:
             raise ValueError(
                 f"Invalid direction {self.direction!r}: must be one of 'in', 'out', 'inout'"
             )
+
+
+class AIEOperatorConstraintError(RuntimeError):
+    """Raised by AIE operators when runtime inputs violate constructor-time constraints
+    (e.g., shape, dtype, channel count, or spatial dimensions that were baked into the
+    compiled kernel at operator construction time).
+
+    This allows clean separation between construction-time specialization and
+    runtime validation without using generic exceptions.
+    """
+
+    pass

iron/operators/__init__.py

@@ -3,6 +3,7 @@
 
 from .elementwise_add.op import ElementwiseAdd
 from .elementwise_mul.op import ElementwiseMul
+from .conv2d.op import AIEConv2d
 from .gemm.op import GEMM
 from .gemv.op import GEMV
 from .mha.op import MHA