selftests: pci_endpoint: Skip reserved BARs

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 <cassel@kernel.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Tested-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Tested-by: Koichiro Den <den@valinux.co.jp>
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260312130229.2282001-22-cassel@kernel.org

diff --git a/tools/testing/selftests/pci_endpoint/pci_endpoint_test.c b/tools/testing/selftests/pci_endpoint/pci_endpoint_test.c
index e0dbbb2af8c7ace31cdba9123a40f9b8b355c654..c417fb3a198b2d92c3060938c23807cc8bea5573 100644 (file)
--- 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);
 }