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| author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-06-15 08:50:14 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2020-06-19 14:06:00 -0600 |
| commit | 16a60665cfc046cf676f163bbb9ded3ff05a4376 (patch) | |
| tree | 48b94d49ea0c25629da9d72f544ec76d315e5bf1 /Documentation/misc-devices/pci-endpoint-test.rst | |
| parent | 8a05eb89cb84eba1091bdc6baa9d0e463655779f (diff) | |
docs: misc-devices/pci-endpoint-test.txt: convert to ReST
- Use titles markups;
- Adjust identation;
- use literal markup;
- Use the proper notation for footnotes.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/d4def59b3e3042208ed44558ddfd96c8753fb88c.1592203650.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/misc-devices/pci-endpoint-test.rst')
| -rw-r--r-- | Documentation/misc-devices/pci-endpoint-test.rst | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/Documentation/misc-devices/pci-endpoint-test.rst b/Documentation/misc-devices/pci-endpoint-test.rst new file mode 100644 index 000000000000..26e5d9ba146b --- /dev/null +++ b/Documentation/misc-devices/pci-endpoint-test.rst @@ -0,0 +1,56 @@ +.. SPDX-License-Identifier: GPL-2.0 + +===================================== +Driver for PCI Endpoint Test Function +===================================== + +This driver should be used as a host side driver if the root complex is +connected to a configurable PCI endpoint running ``pci_epf_test`` function +driver configured according to [1]_. + +The "pci_endpoint_test" driver can be used to perform the following tests. + +The PCI driver for the test device performs the following tests: + + #) verifying addresses programmed in BAR + #) raise legacy IRQ + #) raise MSI IRQ + #) raise MSI-X IRQ + #) read data + #) write data + #) copy data + +This misc driver creates /dev/pci-endpoint-test.<num> for every +``pci_epf_test`` function connected to the root complex and "ioctls" +should be used to perform the above tests. + +ioctl +----- + + PCITEST_BAR: + Tests the BAR. The number of the BAR to be tested + should be passed as argument. + PCITEST_LEGACY_IRQ: + Tests legacy IRQ + PCITEST_MSI: + Tests message signalled interrupts. The MSI number + to be tested should be passed as argument. + PCITEST_MSIX: + Tests message signalled interrupts. The MSI-X number + to be tested should be passed as argument. + PCITEST_SET_IRQTYPE: + Changes driver IRQ type configuration. The IRQ type + should be passed as argument (0: Legacy, 1:MSI, 2:MSI-X). + PCITEST_GET_IRQTYPE: + Gets driver IRQ type configuration. + PCITEST_WRITE: + Perform write tests. The size of the buffer should be passed + as argument. + PCITEST_READ: + Perform read tests. The size of the buffer should be passed + as argument. + PCITEST_COPY: + Perform read tests. The size of the buffer should be passed + as argument. + +.. [1] Documentation/PCI/endpoint/function/binding/pci-test.txt |