linux-kernel - [PATCH v5 0/4] Migrate PCI Endpoint Subsystem tests to Kselftest

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Message-Id: <20250116135106.19143-1-manivannan.sadhasivam@linaro.org>
Date: Thu, 16 Jan 2025 19:21:02 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: kw@...ux.com,
	gregkh@...uxfoundation.org,
	arnd@...db.de,
	lpieralisi@...nel.org,
	shuah@...nel.org
Cc: kishon@...nel.org,
	linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	bhelgaas@...gle.com,
	linux-arm-msm@...r.kernel.org,
	robh@...nel.org,
	linux-kselftest@...r.kernel.org,
	cassel@...nel.org,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH v5 0/4] Migrate PCI Endpoint Subsystem tests to Kselftest

Hi,

This series carries forward the effort to add Kselftest for PCI Endpoint
Subsystem started by Aman Gupta [1] a while ago. I reworked the initial version
based on another patch that fixes the return values of IOCTLs in
pci_endpoint_test driver and did many cleanups. Since the resulting work
modified the initial version substantially, I took over the authorship.

This series also incorporates the review comment by Shuah Khan [2] to move the
existing tests from 'tools/pci' to 'tools/testing/kselftest/pci_endpoint' before
migrating to Kselftest framework. I made sure that the tests are executable in
each commit and updated documentation accordingly.

- Mani

[1] https://lore.kernel.org/linux-pci/20221007053934.5188-1-aman1.gupta@samsung.com
[2] https://lore.kernel.org/linux-pci/b2a5db97-dc59-33ab-71cd-f591e0b1b34d@linuxfoundation.org

Changes in v5:

* Incorporated comments from Niklas
* Added a patch to fix the DMA MEMCPY check in pci-epf-test driver
* Collected tags
* Rebased on top of pci/next 0333f56dbbf7ef6bb46d2906766c3e1b2a04a94d

Changes in v4:

* Dropped the BAR fix patches and submitted them separately:
  https://lore.kernel.org/linux-pci/20241231130224.38206-1-manivannan.sadhasivam@linaro.org/
* Rebased on top of pci/next 9e1b45d7a5bc0ad20f6b5267992da422884b916e

Changes in v3:

* Collected tags.
* Added a note about failing testcase 10 and command to skip it in
  documentation.
* Removed Aman Gupta and Padmanabhan Rajanbabu from CC as their addresses are
  bouncing.

Changes in v2:

* Added a patch that fixes return values of IOCTL in pci_endpoint_test driver
* Moved the existing tests to new location before migrating
* Added a fix for BARs on Qcom devices
* Updated documentation and also added fixture variants for memcpy & DMA modes


Manivannan Sadhasivam (4):
  PCI: endpoint: pci-epf-test: Fix the check for DMA MEMCPY test
  misc: pci_endpoint_test: Fix the return value of IOCTL
  selftests: Move PCI Endpoint tests from tools/pci to Kselftests
  selftests: pci_endpoint: Migrate to Kselftest framework

 Documentation/PCI/endpoint/pci-test-howto.rst | 170 +++++------
 MAINTAINERS                                   |   2 +-
 drivers/misc/pci_endpoint_test.c              | 255 +++++++++--------
 drivers/pci/endpoint/functions/pci-epf-test.c |   4 +-
 tools/pci/Build                               |   1 -
 tools/pci/Makefile                            |  58 ----
 tools/pci/pcitest.c                           | 264 ------------------
 tools/pci/pcitest.sh                          |  73 -----
 tools/testing/selftests/Makefile              |   1 +
 .../testing/selftests/pci_endpoint/.gitignore |   2 +
 tools/testing/selftests/pci_endpoint/Makefile |   7 +
 tools/testing/selftests/pci_endpoint/config   |   4 +
 .../pci_endpoint/pci_endpoint_test.c          | 221 +++++++++++++++
 13 files changed, 435 insertions(+), 627 deletions(-)
 delete mode 100644 tools/pci/Build
 delete mode 100644 tools/pci/Makefile
 delete mode 100644 tools/pci/pcitest.c
 delete mode 100644 tools/pci/pcitest.sh
 create mode 100644 tools/testing/selftests/pci_endpoint/.gitignore
 create mode 100644 tools/testing/selftests/pci_endpoint/Makefile
 create mode 100644 tools/testing/selftests/pci_endpoint/config
 create mode 100644 tools/testing/selftests/pci_endpoint/pci_endpoint_test.c

-- 
2.25.1