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Tue, 23 Mar 2021 12:55:52 +0000 Date: Tue, 23 Mar 2021 20:55:45 +0800 From: "Hongren Zheng (Zenithal)" To: Valentina Manea , Shuah Khan , Antonio Borneo , Greg Kroah-Hartman , matt mooney , linux-usb@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH v4 1/2] usbip: tools: add options and examples in man page related to device mode Message-ID: Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Operating-System: Linux Sun 5.10.19-1-lts X-Mailer: Mutt 2.0.5 (da5e3282) (2021-01-21) X-Originating-IP: [2402:f000:6:6009::11] X-ClientProxiedBy: HK2PR06CA0012.apcprd06.prod.outlook.com (2603:1096:202:2e::24) To HK0PR03MB3795.apcprd03.prod.outlook.com (2603:1096:203:3c::10) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost (2402:f000:6:6009::11) by HK2PR06CA0012.apcprd06.prod.outlook.com (2603:1096:202:2e::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3955.18 via Frontend Transport; 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This commit documents the options and provides examples on device mode. Signed-off-by: Hongren Zheng --- tools/usb/usbip/doc/usbip.8 | 25 +++++++++++++++++++++++++ tools/usb/usbip/doc/usbipd.8 | 22 ++++++++++++++++++++++ 2 files changed, 47 insertions(+) PATCH v2: Add signed-off-by line PATCH v3: Move patch changelog after the marker line Remove nickname in signed-off-by line PATCH v4: Use commit short hash and message instead of long hash only when referring to commit in the kernel diff --git a/tools/usb/usbip/doc/usbip.8 b/tools/usb/usbip/doc/usbip.8 index a15d20063b98..385b0eda8746 100644 --- a/tools/usb/usbip/doc/usbip.8 +++ b/tools/usb/usbip/doc/usbip.8 @@ -49,6 +49,13 @@ then exit. Attach a remote USB device. .PP +.HP +\fBattach\fR \-\-remote=<\fIhost\fR> \-\-device=<\fdev_id\fR> +.IP +Attach a remote USB gadget. +Only used when the remote usbipd is in device mode. +.PP + .HP \fBdetach\fR \-\-port=<\fIport\fR> .IP @@ -73,6 +80,14 @@ Stop exporting a device so it can be used by a local driver. List USB devices exported by a remote host. .PP +.HP +\fBlist\fR \-\-device +.IP +List USB gadgets of local usbip-vudc. +Only used when the local usbipd is in device mode. +This can not list usbip-vudc USB gadgets of the remote device mode usbipd. +.PP + .HP \fBlist\fR \-\-local .IP @@ -93,5 +108,15 @@ List local USB devices. client:# usbip detach --port=0 - Detach the usb device. +The following example shows the use of device mode + + server:# usbip list --device + - Note this is the server side + + client:# modprobe vhci-hcd + + client:# usbip attach --remote=server --device=usbip-vudc.0 + - Connect the remote USB gadget + .SH "SEE ALSO" \fBusbipd\fP\fB(8)\fB\fP diff --git a/tools/usb/usbip/doc/usbipd.8 b/tools/usb/usbip/doc/usbipd.8 index fb62a756893b..53c8d5792de6 100644 --- a/tools/usb/usbip/doc/usbipd.8 +++ b/tools/usb/usbip/doc/usbipd.8 @@ -29,6 +29,12 @@ Bind to IPv4. Default is both. Bind to IPv6. Default is both. .PP +.HP +\fB\-e\fR, \fB\-\-device\fR +.IP +Run in device mode. Rather than drive an attached device, create a virtual UDC to bind gadgets to. +.PP + .HP \fB\-D\fR, \fB\-\-daemon\fR .IP @@ -86,6 +92,22 @@ USB/IP client can connect and use exported devices. - A usb device 1-2 is now exportable to other hosts! - Use 'usbip unbind --busid=1-2' when you want to shutdown exporting and use the device locally. +The following example shows the use of device mode + + server:# modprobe usbip-vudc + - Use /sys/class/udc/ interface + - usbip-host is independent of this module. + + server:# usbipd -e -D + - Start usbip daemon in device mode. + + server:# modprobe g_mass_storage file=/tmp/tmp.img + - Bind a gadget to usbip-vudc + - in this example, a mass storage gadget is bound + + server:# usbip list --device + - Note this is the server side + .SH "SEE ALSO" \fBusbip\fP\fB(8)\fB\fP -- 2.30.1