Commit b351e9c9 authored by Frank Li's avatar Frank Li Committed by Bjorn Helgaas
Browse files

selftests: pci_endpoint: Add doorbell test case 



Add doorbell test case.

Signed-off-by: default avatarFrank Li <Frank.Li@nxp.com>
[mani: Reworded the testcase description]
Signed-off-by: default avatarManivannan Sadhasivam <mani@kernel.org>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Tested-by: default avatarNiklas Cassel <cassel@kernel.org>
Link: https://patch.msgid.link/20250710-ep-msi-v21-8-57683fc7fb25@nxp.com
parent eefb8379

Documentation/PCI/endpoint/pci-test-howto.rst

+15 −0
Original line number Diff line number Diff line
@@ -203,3 +203,18 @@ controllers, it is advisable to skip this testcase using this 
command::



	# pci_endpoint_test -f pci_ep_bar -f pci_ep_basic -v memcpy -T COPY_TEST -v dma



Kselftest EP Doorbell

~~~~~~~~~~~~~~~~~~~~~



If the Endpoint MSI controller is used for the doorbell usecase, run below

command for testing it:



	# pci_endpoint_test -f pcie_ep_doorbell



	# Starting 1 tests from 1 test cases.

	#  RUN           pcie_ep_doorbell.DOORBELL_TEST ...

	#            OK  pcie_ep_doorbell.DOORBELL_TEST

	ok 1 pcie_ep_doorbell.DOORBELL_TEST

	# PASSED: 1 / 1 tests passed.

	# Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0

tools/testing/selftests/pci_endpoint/pci_endpoint_test.c

+28 −0
Original line number Diff line number Diff line
@@ -229,4 +229,32 @@ TEST_F(pci_ep_data_transfer, COPY_TEST) 
					 test_size[i]);

	}

}



FIXTURE(pcie_ep_doorbell)

{

	int fd;

};



FIXTURE_SETUP(pcie_ep_doorbell)

{

	self->fd = open(test_device, O_RDWR);



	ASSERT_NE(-1, self->fd) TH_LOG("Can't open PCI Endpoint Test device");

};



FIXTURE_TEARDOWN(pcie_ep_doorbell)

{

	close(self->fd);

};



TEST_F(pcie_ep_doorbell, DOORBELL_TEST)

{

	int ret;



	pci_ep_ioctl(PCITEST_SET_IRQTYPE, PCITEST_IRQ_TYPE_AUTO);

	ASSERT_EQ(0, ret) TH_LOG("Can't set AUTO IRQ type");



	pci_ep_ioctl(PCITEST_DOORBELL, 0);

	EXPECT_FALSE(ret) TH_LOG("Test failed for Doorbell\n");

}

TEST_HARNESS_MAIN