Commits · 7f6fb421d113a9a4e90471eff0a981fe620b4ec6 · Projects / Simple PCIe FMC carrier SPEC · Open Hardware Repository

02 Jul, 2020 7 commits
- sw:drv: fix DMA size limitations · 7f6fb421
  Federico Vaga authored Jul 02, 2020
```
No limites for read, but the implementation is not symmetric. For
DMA_MEM_TO_DEV the transfer size limitation is 4096.
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  7f6fb421
- fixup! tst: add regression test for 4Byte corruption · a6499126
  Federico Vaga authored Jul 02, 2020
  
  a6499126
- tst: program FPGA before running tests · 7f643fb0
  Federico Vaga authored Jul 02, 2020
```
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  7f643fb0
- fixup! sw:drv: fix bug in computing segments · 67d436d5
  Federico Vaga authored Jul 02, 2020
  
  67d436d5
- sw:py: add method to program the FPGA · ea51ad5e
  Federico Vaga authored Jul 02, 2020
```
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  ea51ad5e
- tst: add regression test for 4Byte corruption · a108596a
  Federico Vaga authored Jul 02, 2020
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Problem: sometimes a 4Byte transfers corrupt the gennum chip
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  a108596a
- tst: add regression test for zero bytes · 6d9fec0e
  Federico Vaga authored Jul 02, 2020
```
Problem: after Xbytes the DMA read returns only zeros. This happens at
a power-of-two offset, typically below 1024
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  6d9fec0e
01 Jul, 2020 2 commits
- sw:drv: fix bug in computing segments · 6a86876a
  Federico Vaga authored Jul 01, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  6a86876a
- sw:drv: add necessary header on modern Linux · 64ee0f36
  Federico Vaga authored Jul 01, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  64ee0f36
30 Jun, 2020 19 commits
- Merge branch 'feature/debugfs-dma' into develop · 0d2c60fd
  Federico Vaga authored Jun 30, 2020
  
  0d2c60fd
- ignore clangd files · 282dfa29
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  282dfa29
- tst: simplify assert message and remove useless assert · 6cd4a336
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  6cd4a336
- doc: remove empty lines · 44b0a70c
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  44b0a70c
- sw:py: rename open/close to request/release · 56227886
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  56227886
- doc: fix typos · 75b976ca
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  75b976ca
- doc: add PySPEC documentation · 3b053ebe
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  3b053ebe
- doc: add information about DMA from debugfs · 3bbec72a
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  3bbec72a
- py: use contextmanager for DMA transfer · a77e93a2
  Federico Vaga authored Jun 30, 2020
```
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  a77e93a2
- sw:drv: add debug print to check DMA parameters · 344c890a
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  344c890a
- tst: fix unaligned size test · c4e3a399
  Federico Vaga authored Jun 30, 2020
```
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  c4e3a399
- sw:drv: move alignment validation into DMA engine · beb184fc
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  beb184fc
- tst: review transfer tests · 47fef266
  Federico Vaga authored Jun 30, 2020
```
Sorry for the bad commit :D
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  47fef266
- sw:drv: unaligned accesses are not supported · aa01b719
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  aa01b719
- tst: dedicated test for invalid sizes · 54242b66
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  54242b66
- sw:drv: remove useless code · f7f92deb
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  f7f92deb
- tst: add test for zero size buffers · 59adb80d
  Federico Vaga authored Jun 30, 2020
```
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  59adb80d
- tst: regressions are actually true limitations, remove test · 239dde56
  Federico Vaga authored Jun 30, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  239dde56
- sw:py: dma_write returns the number of transfered bytes · bc0b9676
  Federico Vaga authored Jun 29, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  bc0b9676
29 Jun, 2020 1 commit
- sw:py: add DDR alignment constant · c6b97be4
  Federico Vaga authored Jun 29, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  c6b97be4
26 Jun, 2020 11 commits
- tst: add a DMA write and read-back test · 4aa94f09
  Federico Vaga authored Jun 26, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  4aa94f09
- tst: do twice the DMA read and compare · fe1b5c53
  Federico Vaga authored Jun 26, 2020
```
We can see if the controller returns random garbage
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  fe1b5c53
- sw:drv: fix NULL pointer bug during ABORT · 83be3241
  Federico Vaga authored Jun 26, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
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  83be3241
- sw:drv: fix copy_to_user arguments order · d7ffed83
  Federico Vaga authored Jun 26, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  d7ffed83
- sw:py: enforce bytes() type for DMA data · 60696cb2
  Federico Vaga authored Jun 26, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  60696cb2
- sw: add DMA offset support - seek() · 154421e9
  Federico Vaga authored Jun 26, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  154421e9
- sw:drv: add DMA write support · 389ee876
  Federico Vaga authored Jun 26, 2020
```
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  389ee876
- tst: fix test_dma_read parameters · 00a51e44
  Federico Vaga authored Jun 26, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  00a51e44
- sw:drv: enlarge the DMA buffer · c1aa6327
  Federico Vaga authored Jun 26, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  c1aa6327
- sw:drv: report DMA errors correctly · 1da1b738
  Federico Vaga authored Jun 26, 2020
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Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  1da1b738
- sw:drv: automatically split big DMA requests · 99989903
  Federico Vaga authored Jun 26, 2020
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This is to avoid errors on the HDL side
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
```
  99989903