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Simple PCIe FMC carrier SPEC
Commit 00a51e44 authored by Federico Vaga's avatar Federico Vaga
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tst: fix test_dma_read parameters 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent c1aa6327
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Showing with 11 additions and 3 deletions
pytest/test_dma.py
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......@@ -25,11 +25,19 @@ class TestDma(object):
spec.dma_stop()
@pytest.mark.parametrize("dma_size",
[random.randrange(0, 1 * 1024 * 1024, 4) for i in range(100)])
[0, 1, 2, 3] + \
[5, 7, 9] + \
[2**i for i in range(24)])
def test_dma_read(self, spec, dma_size):
"""
Read from SPEC DDR at random offsets. We just want to see if the DMA
engine reports errors
We just want to see if the DMA engine reports errors. Test the
engine with different sizes, but same offset (default:
0x0). On the engine side we will get several transfers
(scatterlist) depending on the size.
Regressions:
- 0: the driver returns immediatly without starting any DMA transfer
- 1, 2, 3, 4: performing transfers of these sizes led to a failure
"""
spec.dma_start()
data = spec.dma_read(dma_size)
......
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