Re: [PATCH 9/9] selftests: pci_endpoint: Skip reserved BARs

[Manikanta Maddireddy]

On 18/02/26 4:41 am, Frank Li wrote:

On Tue, Feb 17, 2026 at 10:27:15PM +0100, Niklas Cassel wrote:

Running a test against a reserved BAR will result in the pci-epf-test
driver returning -ENOBUFS.

Make sure that the pci_endpoint_test selftest will return skip instead of
failure or success for reserved BARs.

Signed-off-by: Niklas Cassel <cas...@kernel.org>
---

Reviewed-by: Frank Li <frank...@nxp.com>

Reviewed-by: Manikanta Maddireddy <mmaddire...@nvidia.com>
Tested by: Manikanta Maddireddy <mmaddire...@nvidia.com>

  tools/testing/selftests/pci_endpoint/pci_endpoint_test.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/pci_endpoint/pci_endpoint_test.c 
b/tools/testing/selftests/pci_endpoint/pci_endpoint_test.c
index eecb776c33af..e506359cdded 100644
--- a/tools/testing/selftests/pci_endpoint/pci_endpoint_test.c
+++ b/tools/testing/selftests/pci_endpoint/pci_endpoint_test.c
@@ -67,6 +67,8 @@ TEST_F(pci_ep_bar, BAR_TEST)
        pci_ep_ioctl(PCITEST_BAR, variant->barno);
        if (ret == -ENODATA)
                SKIP(return, "BAR is disabled");
+       if (ret == -ENOBUFS)
+               SKIP(return, "BAR is reserved");
        EXPECT_FALSE(ret) TH_LOG("Test failed for BAR%d", variant->barno);
  }

@@ -84,6 +86,8 @@ TEST_F(pci_ep_bar, BAR_SUBRANGE_TEST)
                SKIP(return, "BAR is test register space");
        if (ret == -EOPNOTSUPP)
                SKIP(return, "Subrange map is not supported");
+       if (ret == -ENOBUFS)
+               SKIP(return, "BAR is reserved");
        EXPECT_FALSE(ret) TH_LOG("Test failed for BAR%d", variant->barno);
  }

--
2.53.0