From: Changbin Du <changbin.du@gmail.com>
To: Jonathan Corbet <corbet@lwn.net>
Cc: fenghua.yu@intel.com, mchehab+samsung@kernel.org,
linux-doc@vger.kernel.org, linux-pci@vger.kernel.org,
linux-gpio@vger.kernel.org, x86@kernel.org, rjw@rjwysocki.net,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
mingo@redhat.com, Bjorn Helgaas <bhelgaas@google.com>,
tglx@linutronix.de, linuxppc-dev@lists.ozlabs.org,
Changbin Du <changbin.du@gmail.com>
Subject: [PATCH v4 36/63] Documentation: PCI: convert endpoint/pci-test-howto.txt to reST
Date: Wed, 24 Apr 2019 00:29:05 +0800 [thread overview]
Message-ID: <20190423162932.21428-37-changbin.du@gmail.com> (raw)
In-Reply-To: <20190423162932.21428-1-changbin.du@gmail.com>
This converts the 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>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
---
Documentation/PCI/endpoint/index.rst | 1 +
...{pci-test-howto.txt => pci-test-howto.rst} | 81 +++++++++++++------
2 files changed, 56 insertions(+), 26 deletions(-)
rename Documentation/PCI/endpoint/{pci-test-howto.txt => pci-test-howto.rst} (78%)
diff --git a/Documentation/PCI/endpoint/index.rst b/Documentation/PCI/endpoint/index.rst
index b680a3fc4fec..d114ea74b444 100644
--- a/Documentation/PCI/endpoint/index.rst
+++ b/Documentation/PCI/endpoint/index.rst
@@ -10,3 +10,4 @@ PCI Endpoint Framework
pci-endpoint
pci-endpoint-cfs
pci-test-function
+ pci-test-howto
diff --git a/Documentation/PCI/endpoint/pci-test-howto.txt b/Documentation/PCI/endpoint/pci-test-howto.rst
similarity index 78%
rename from Documentation/PCI/endpoint/pci-test-howto.txt
rename to Documentation/PCI/endpoint/pci-test-howto.rst
index 040479f437a5..909f770a07d6 100644
--- a/Documentation/PCI/endpoint/pci-test-howto.txt
+++ b/Documentation/PCI/endpoint/pci-test-howto.rst
@@ -1,38 +1,51 @@
- PCI TEST USERGUIDE
- Kishon Vijay Abraham I <kishon@ti.com>
+.. SPDX-License-Identifier: GPL-2.0
+
+===================
+PCI Test User Guide
+===================
+
+:Author: Kishon Vijay Abraham I <kishon@ti.com>
This document is a guide to help users use pci-epf-test function driver
and pci_endpoint_test host driver for testing PCI. The list of steps to
be followed in the host side and EP side is given below.
-1. Endpoint Device
+Endpoint Device
+===============
-1.1 Endpoint Controller Devices
+Endpoint Controller Devices
+---------------------------
-To find the list of endpoint controller devices in the system:
+To find the list of endpoint controller devices in the system::
# ls /sys/class/pci_epc/
51000000.pcie_ep
-If PCI_ENDPOINT_CONFIGFS is enabled
+If PCI_ENDPOINT_CONFIGFS is enabled::
+
# ls /sys/kernel/config/pci_ep/controllers
51000000.pcie_ep
-1.2 Endpoint Function Drivers
-To find the list of endpoint function drivers in the system:
+Endpoint Function Drivers
+-------------------------
+
+To find the list of endpoint function drivers in the system::
# ls /sys/bus/pci-epf/drivers
pci_epf_test
-If PCI_ENDPOINT_CONFIGFS is enabled
+If PCI_ENDPOINT_CONFIGFS is enabled::
+
# ls /sys/kernel/config/pci_ep/functions
pci_epf_test
-1.3 Creating pci-epf-test Device
+
+Creating pci-epf-test Device
+----------------------------
PCI endpoint function device can be created using the configfs. To create
-pci-epf-test device, the following commands can be used
+pci-epf-test device, the following commands can be used::
# mount -t configfs none /sys/kernel/config
# cd /sys/kernel/config/pci_ep/
@@ -42,7 +55,7 @@ The "mkdir func1" above creates the pci-epf-test function device that will
be probed by pci_epf_test driver.
The PCI endpoint framework populates the directory with the following
-configurable fields.
+configurable fields::
# ls functions/pci_epf_test/func1
baseclass_code interrupt_pin progif_code subsys_id
@@ -51,67 +64,83 @@ configurable fields.
The PCI endpoint function driver populates these entries with default values
when the device is bound to the driver. The pci-epf-test driver populates
-vendorid with 0xffff and interrupt_pin with 0x0001
+vendorid with 0xffff and interrupt_pin with 0x0001::
# cat functions/pci_epf_test/func1/vendorid
0xffff
# cat functions/pci_epf_test/func1/interrupt_pin
0x0001
-1.4 Configuring pci-epf-test Device
+
+Configuring pci-epf-test Device
+-------------------------------
The user can configure the pci-epf-test device using configfs entry. In order
to change the vendorid and the number of MSI interrupts used by the function
-device, the following commands can be used.
+device, the following commands can be used::
# echo 0x104c > functions/pci_epf_test/func1/vendorid
# echo 0xb500 > functions/pci_epf_test/func1/deviceid
# echo 16 > functions/pci_epf_test/func1/msi_interrupts
# echo 8 > functions/pci_epf_test/func1/msix_interrupts
-1.5 Binding pci-epf-test Device to EP Controller
+
+Binding pci-epf-test Device to EP Controller
+--------------------------------------------
In order for the endpoint function device to be useful, it has to be bound to
a PCI endpoint controller driver. Use the configfs to bind the function
-device to one of the controller driver present in the system.
+device to one of the controller driver present in the system::
# ln -s functions/pci_epf_test/func1 controllers/51000000.pcie_ep/
Once the above step is completed, the PCI endpoint is ready to establish a link
with the host.
-1.6 Start the Link
+
+Start the Link
+--------------
In order for the endpoint device to establish a link with the host, the _start_
-field should be populated with '1'.
+field should be populated with '1'::
# echo 1 > controllers/51000000.pcie_ep/start
-2. RootComplex Device
-2.1 lspci Output
+RootComplex Device
+==================
+
+lspci Output
+------------
-Note that the devices listed here correspond to the value populated in 1.4 above
+Note that the devices listed here correspond to the value populated in 1.4
+above::
00:00.0 PCI bridge: Texas Instruments Device 8888 (rev 01)
01:00.0 Unassigned class [ff00]: Texas Instruments Device b500
-2.2 Using Endpoint Test function Device
+
+Using Endpoint Test function Device
+-----------------------------------
pcitest.sh added in tools/pci/ can be used to run all the default PCI endpoint
-tests. To compile this tool the following commands should be used:
+tests. To compile this tool the following commands should be used::
# cd <kernel-dir>
# make -C tools/pci
-or if you desire to compile and install in your system:
+or if you desire to compile and install in your system::
# cd <kernel-dir>
# make -C tools/pci install
The tool and script will be located in <rootfs>/usr/bin/
-2.2.1 pcitest.sh Output
+
+pcitest.sh Output
+~~~~~~~~~~~~~~~~~
+::
+
# pcitest.sh
BAR tests
--
2.20.1
next prev parent reply other threads:[~2019-04-23 20:48 UTC|newest]
Thread overview: 124+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-23 16:28 [PATCH v4 00/63] Include linux ACPI/PCI/X86 docs into Sphinx TOC tree Changbin Du
2019-04-23 16:28 ` [PATCH v4 01/63] Documentation: add Linux ACPI to " Changbin Du
2019-04-23 20:39 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 02/63] Documentation: ACPI: move namespace.txt to firmware-guide/acpi and convert to reST Changbin Du
2019-04-23 20:38 ` Mauro Carvalho Chehab
2019-04-24 16:09 ` Changbin Du
2019-04-23 16:28 ` [PATCH v4 03/63] Documentation: ACPI: move enumeration.txt " Changbin Du
2019-04-23 20:42 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 04/63] Documentation: ACPI: move osi.txt " Changbin Du
2019-04-23 20:44 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 05/63] Documentation: ACPI: move linuxized-acpica.txt to driver-api/acpi " Changbin Du
2019-04-23 20:50 ` Mauro Carvalho Chehab
2019-04-24 16:15 ` Changbin Du
2019-04-23 16:28 ` [PATCH v4 06/63] Documentation: ACPI: move scan_handlers.txt " Changbin Du
2019-04-23 20:51 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 07/63] Documentation: ACPI: move DSD-properties-rules.txt to firmware-guide/acpi and covert " Changbin Du
2019-04-23 20:52 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 08/63] Documentation: ACPI: move gpio-properties.txt to firmware-guide/acpi and convert " Changbin Du
2019-04-23 20:55 ` Mauro Carvalho Chehab
2019-04-24 16:21 ` Changbin Du
2019-04-23 16:28 ` [PATCH v4 09/63] Documentation: ACPI: move method-customizing.txt " Changbin Du
2019-04-23 21:03 ` Mauro Carvalho Chehab
2019-04-24 16:28 ` Changbin Du
2019-04-24 17:53 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 10/63] Documentation: ACPI: move initrd_table_override.txt to admin-guide/acpi " Changbin Du
2019-04-23 21:07 ` Mauro Carvalho Chehab
2019-04-24 16:33 ` Changbin Du
2019-04-23 16:28 ` [PATCH v4 11/63] Documentation: ACPI: move dsdt-override.txt " Changbin Du
2019-04-23 21:08 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 12/63] Documentation: ACPI: move i2c-muxes.txt to firmware-guide/acpi " Changbin Du
2019-04-23 21:09 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 13/63] Documentation: ACPI: move acpi-lid.txt " Changbin Du
2019-04-23 21:12 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 14/63] Documentation: ACPI: move dsd/graph.txt " Changbin Du
2019-04-23 21:14 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 15/63] Documentation: ACPI: move dsd/data-node-references.txt " Changbin Du
2019-04-23 21:17 ` Mauro Carvalho Chehab
2019-04-24 16:44 ` Changbin Du
2019-04-23 16:28 ` [PATCH v4 16/63] Documentation: ACPI: move debug.txt " Changbin Du
2019-04-23 21:21 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 17/63] Documentation: ACPI: move method-tracing.txt to firmware-guide/acpi and convert to rsST Changbin Du
2019-04-24 14:26 ` Mauro Carvalho Chehab
2019-04-24 16:55 ` Changbin Du
2019-04-23 16:28 ` [PATCH v4 18/63] Documentation: ACPI: move aml-debugger.txt to firmware-guide/acpi and convert to reST Changbin Du
2019-04-24 14:28 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 19/63] Documentation: ACPI: move apei/output_format.txt " Changbin Du
2019-04-24 14:29 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 20/63] Documentation: ACPI: move apei/einj.txt " Changbin Du
2019-04-24 14:33 ` Mauro Carvalho Chehab
2019-04-24 17:12 ` Changbin Du
2019-04-23 16:28 ` [PATCH v4 21/63] Documentation: ACPI: move cppc_sysfs.txt to admin-guide/acpi " Changbin Du
2019-04-24 14:48 ` Mauro Carvalho Chehab
2019-04-24 17:22 ` Changbin Du
2019-04-24 18:04 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 22/63] Documentation: ACPI: move lpit.txt to firmware-guide/acpi " Changbin Du
2019-04-24 14:49 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 23/63] Documentation: ACPI: move ssdt-overlays.txt to admin-guide/acpi " Changbin Du
2019-04-24 14:51 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 24/63] Documentation: ACPI: move video_extension.txt to firmware-guide/acpi " Changbin Du
2019-04-24 14:56 ` Mauro Carvalho Chehab
2019-04-24 17:31 ` Changbin Du
2019-04-23 16:28 ` [PATCH v4 25/63] Documentation: add Linux PCI to Sphinx TOC tree Changbin Du
2019-04-24 15:03 ` Mauro Carvalho Chehab
2019-04-25 15:42 ` Changbin Du
2019-04-23 16:28 ` [PATCH v4 26/63] Documentation: PCI: convert pci.txt to reST Changbin Du
2019-04-24 15:20 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 27/63] Documentation: PCI: convert PCIEBUS-HOWTO.txt " Changbin Du
2019-04-24 15:23 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 28/63] Documentation: PCI: convert pci-iov-howto.txt " Changbin Du
2019-04-24 15:25 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 29/63] Documentation: PCI: convert MSI-HOWTO.txt " Changbin Du
2019-04-24 15:29 ` Mauro Carvalho Chehab
2019-04-23 16:28 ` [PATCH v4 30/63] Documentation: PCI: convert acpi-info.txt " Changbin Du
2019-04-24 15:34 ` Mauro Carvalho Chehab
2019-04-23 16:29 ` [PATCH v4 31/63] Documentation: PCI: convert pci-error-recovery.txt " Changbin Du
2019-04-24 15:45 ` Mauro Carvalho Chehab
2019-04-23 16:29 ` [PATCH v4 32/63] Documentation: PCI: convert pcieaer-howto.txt " Changbin Du
2019-04-24 15:49 ` Mauro Carvalho Chehab
2019-04-23 16:29 ` [PATCH v4 33/63] Documentation: PCI: convert endpoint/pci-endpoint.txt " Changbin Du
2019-04-24 15:55 ` Mauro Carvalho Chehab
2019-04-23 16:29 ` [PATCH v4 34/63] Documentation: PCI: convert endpoint/pci-endpoint-cfs.txt " Changbin Du
2019-04-24 16:26 ` Mauro Carvalho Chehab
2019-04-23 16:29 ` [PATCH v4 35/63] Documentation: PCI: convert endpoint/pci-test-function.txt " Changbin Du
2019-04-24 16:58 ` Mauro Carvalho Chehab
2019-04-23 16:29 ` Changbin Du [this message]
2019-04-24 17:00 ` [PATCH v4 36/63] Documentation: PCI: convert endpoint/pci-test-howto.txt " Mauro Carvalho Chehab
2019-04-23 16:29 ` [PATCH v4 37/63] Documentation: add Linux x86 docs to Sphinx TOC tree Changbin Du
2019-04-24 17:04 ` Mauro Carvalho Chehab
2019-04-23 16:29 ` [PATCH v4 38/63] Documentation: x86: convert boot.txt to reST Changbin Du
2019-04-24 17:36 ` Mauro Carvalho Chehab
2019-04-25 17:07 ` Changbin Du
2019-04-23 16:29 ` [PATCH v4 39/63] Documentation: x86: convert topology.txt " Changbin Du
2019-04-24 17:44 ` Mauro Carvalho Chehab
2019-04-26 14:23 ` Changbin Du
2019-04-23 16:29 ` [PATCH v4 40/63] Documentation: x86: convert exception-tables.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 41/63] Documentation: x86: convert kernel-stacks " Changbin Du
2019-04-23 16:29 ` [PATCH v4 42/63] Documentation: x86: convert entry_64.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 43/63] Documentation: x86: convert earlyprintk.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 44/63] Documentation: x86: convert zero-page.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 45/63] Documentation: x86: convert tlb.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 46/63] Documentation: x86: convert mtrr.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 47/63] Documentation: x86: convert pat.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 48/63] Documentation: x86: convert protection-keys.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 49/63] Documentation: x86: convert intel_mpx.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 50/63] Documentation: x86: convert amd-memory-encryption.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 51/63] Documentation: x86: convert pti.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 52/63] Documentation: x86: convert microcode.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 53/63] Documentation: x86: convert resctrl_ui.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 54/63] Documentation: x86: convert orc-unwinder.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 55/63] Documentation: x86: convert usb-legacy-support.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 56/63] Documentation: x86: convert i386/IO-APIC.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 57/63] Documentation: x86: convert x86_64/boot-options.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 58/63] Documentation: x86: convert x86_64/uefi.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 59/63] Documentation: x86: convert x86_64/mm.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 60/63] Documentation: x86: convert x86_64/5level-paging.txt " Changbin Du
2019-04-23 16:29 ` [PATCH v4 61/63] Documentation: x86: convert x86_64/fake-numa-for-cpusets " Changbin Du
2019-04-23 16:29 ` [PATCH v4 62/63] Documentation: x86: convert x86_64/cpu-hotplug-spec " Changbin Du
2019-04-23 16:29 ` [PATCH v4 63/63] Documentation: x86: convert x86_64/machinecheck " Changbin Du
2019-04-23 16:39 ` [PATCH v4 00/63] Include linux ACPI/PCI/X86 docs into Sphinx TOC tree Rafael J. Wysocki
2019-04-23 17:36 ` Bjorn Helgaas
2019-04-24 15:46 ` Changbin Du
2019-04-24 17:48 ` Mauro Carvalho Chehab
2019-04-24 16:18 ` Jonathan Corbet
2019-04-24 16:52 ` Mauro Carvalho Chehab
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