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2021-08-19Documentation: PCI: endpoint/pci-endpoint-cfs: Guide to use SR-IOVKishon Vijay Abraham I1-1/+11
Add Documentation to help users use PCI endpoint to create virtual functions using configfs. An endpoint function is designated as a virtual endpoint function device when it is linked to a physical endpoint function device (instead of a endpoint controller). Link: https://lore.kernel.org/r/20210819123343.1951-9-kishon@ti.com Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
2021-06-17docs: PCI: endpoint: pci-endpoint-cfs.rst: avoid using ReST :doc:`foo` markupMauro Carvalho Chehab1-1/+1
The :doc:`foo` tag is auto-generated via automarkup.py. So, use the filename at the sources, instead of :doc:`foo`. Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/4b18febe4a4f030dd9d43e5e6a2a0aa28bd5b734.1623824363.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-02-23Documentation: PCI: Add PCI endpoint NTB function user guideKishon Vijay Abraham I2-0/+162
Add documentation to help users use pci-epf-ntb function driver and existing host side NTB infrastructure for NTB functionality. [bhelgaas: fix a few typos] Link: https://lore.kernel.org/r/20210201195809.7342-18-kishon@ti.com Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
2021-02-23Documentation: PCI: Add configfs binding documentation for pci-ntb endpoint ↵Kishon Vijay Abraham I2-0/+39
function Add binding documentation for pci-ntb endpoint function that helps in adding and configuring pci-ntb endpoint function. Link: https://lore.kernel.org/r/20210201195809.7342-17-kishon@ti.com Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2021-02-23PCI: endpoint: Add support in configfs to associate two EPCs with EPFKishon Vijay Abraham I1-0/+10
Now that PCI endpoint core supports to add secondary endpoint controller (EPC) with endpoint function (EPF), Add support in configfs to associate two EPCs with EPF. This creates "primary" and "secondary" directory inside the directory created by users for EPF device. Users have to add a symlink of endpoint controller (pci_ep/controllers/) to "primary" or "secondary" directory to bind EPF to primary and secondary EPF interfaces respectively. Existing method of linking directory representing EPF device to directory representing EPC device to associate a single EPC device with a EPF device will continue to work. Link: https://lore.kernel.org/r/20210201195809.7342-8-kishon@ti.com Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2021-02-23Documentation: PCI: Add specification for the PCI NTB function deviceKishon Vijay Abraham I2-0/+349
Add specification for the PCI NTB function device. The endpoint function driver and the host PCI driver should be created based on this specification. [bhelgaas: fix a few typos] Link: https://lore.kernel.org/r/20210201195809.7342-2-kishon@ti.com Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2020-07-05Documentation: PCI: pci-endpoint: drop doubled wordsRandy Dunlap1-1/+1
Drop the doubled word "the". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: linux-pci@vger.kernel.org Link: https://lore.kernel.org/r/20200703212156.30453-3-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-07-05Documentation: PCI: pci-endpoint-cfs: drop doubled wordsRandy Dunlap1-1/+1
Drop the doubled word "and". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: linux-pci@vger.kernel.org Link: https://lore.kernel.org/r/20200703212156.30453-2-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-06-19docs: pci: endpoint/function/binding/pci-test.txt convert to ReSTMauro Carvalho Chehab3-19/+28
Convert this file to ReST by adding a proper title to it and use the right markups for a table. While here, add a SPDX header. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/6254963b85417e44865dab05e4b99cd485074132.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-05-11Documentation: PCI: Give unique labels to sectionsBryce Willey1-8/+8
Make subsection labels more specific to avoid sphinx warnings. Exact warning: Documentation/PCI/endpoint/pci-endpoint.rst:208: WARNING: duplicate label pci/endpoint/pci-endpoint:other apis, other instance in Documentation/PCI/endpoint/pci-endpoint.rst Link: https://lore.kernel.org/r/20200503214926.23748-1-bryce.steven.willey@gmail.com Signed-off-by: Bryce Willey <Bryce.Steven.Willey@gmail.com> [lorenzo.pieralisi@arm.com: commit log] Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Rob Herring <robh@kernel.org>
2019-05-30Documentation: PCI: convert endpoint/pci-test-howto.txt to reSTChangbin Du2-26/+56
Convert plain text documentation to reStructuredText format and add it to Sphinx TOC tree. No essential content change. Signed-off-by: Changbin Du <changbin.du@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-30Documentation: PCI: convert endpoint/pci-test-function.txt to reSTChangbin Du2-34/+51
Convert plain text documentation to reStructuredText format and add it to Sphinx TOC tree. No essential content change. Signed-off-by: Changbin Du <changbin.du@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-30Documentation: PCI: convert endpoint/pci-endpoint-cfs.txt to reSTChangbin Du2-43/+57
Convert plain text documentation to reStructuredText format and add it to Sphinx TOC tree. No essential content change. Signed-off-by: Changbin Du <changbin.du@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-30Documentation: PCI: convert endpoint/pci-endpoint.txt to reSTChangbin Du2-38/+64
Convert plain text documentation to reStructuredText format and add it to Sphinx TOC tree. No essential content change. Signed-off-by: Changbin Du <changbin.du@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-10-03tools: PCI: Change pcitest compiling processGustavo Pimentel1-8/+11
Change tool compiling process in order to be build using the same mechanism used in other linux tools (e.g. iio, perf, etc). This will allow in future the buildroot tool to build and integrate this tool in a more expeditious way. Update documentation accordingly. Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Kishon Vijay Abraham I <kishon@ti.com>
2018-07-19tools: PCI: Add MSI-X supportGustavo Pimentel1-14/+22
Add MSI-X support to pcitest tool. Modify pcitest.sh script to accommodate MSI-X interrupt tests. Update documentation accordingly. Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
2018-07-19pci-epf-test/pci_endpoint_test: Add MSI-X supportGustavo Pimentel3-6/+24
Add MSI-X support and update driver documentation accordingly. Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
2018-07-19pci-epf-test/pci_endpoint_test: Cleanup PCI_ENDPOINT_TEST memspaceGustavo Pimentel1-4/+23
Cleanup PCI_ENDPOINT_TEST memspace (by moving the interrupt number away from command section). Add IRQ_TYPE register to identify the triggered ID interrupt required for the READ/WRITE/COPY tests and raise IRQ test commands. Update documentation accordingly. Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
2018-07-19PCI: endpoint: Add MSI-X interfacesGustavo Pimentel1-0/+2
Add PCI_EPC_IRQ_MSIX type. Add MSI-X callbacks signatures to the ops structure. Add sysfs interface for set/get MSI-X capability maximum number. Update documentation accordingly. Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
2017-04-28Documentation: PCI: Add userguide for PCI endpoint test functionKishon Vijay Abraham I1-0/+179
Add documentation to help users use pci-epf-test function driver and pci_endpoint_test host driver for testing PCI. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-28Documentation: PCI: Add binding documentation for pci-test endpoint functionKishon Vijay Abraham I1-0/+17
Add binding documentation for pci-test endpoint function that helps in adding and configuring pci-test endpoint function. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-11Documentation: PCI: Add specification for the *PCI test* function deviceKishon Vijay Abraham I1-0/+66
Add specification for the *PCI test* virtual function device. The endpoint function driver and the host PCI driver should be created based on this specification. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-11Documentation: PCI: Guide to use PCI endpoint configfsKishon Vijay Abraham I1-0/+105
Add Documentation to help users use PCI endpoint to configure PCI endpoint function and to bind the endpoint function with endpoint controller. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-By: Joao Pinto <jpinto@synopsys.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-11Documentation: PCI: Guide to use PCI Endpoint Core LayerKishon Vijay Abraham I1-0/+215
Add Documentation to help users use endpoint library to enable endpoint mode in the PCI controller and add new PCI endpoint functions. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-By: Joao Pinto <jpinto@synopsys.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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