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| author | Junfeng Dong <junfeng.dong@intel.com> | 2013-11-19 17:45:23 +0800 |
|---|---|---|
| committer | Junfeng Dong <junfeng.dong@intel.com> | 2013-11-19 17:45:23 +0800 |
| commit | 340f06c9eaee097e626c251bf7a013350649c091 (patch) | |
| tree | 107e5705050a12da68fc80a56ae37afd50a2cc94 /docs/usb2.txt | |
| parent | 42bf3037d458a330856a0be584200c1e41c3f417 (diff) | |
| download | qemu-340f06c9eaee097e626c251bf7a013350649c091.tar.gz qemu-340f06c9eaee097e626c251bf7a013350649c091.tar.bz2 qemu-340f06c9eaee097e626c251bf7a013350649c091.zip | |
Import upstream 1.6.0.upstream/1.6.0
Change-Id: Icf52b556470cac8677297f2ef14ded16684f7887
Signed-off-by: Junfeng Dong <junfeng.dong@intel.com>
Diffstat (limited to 'docs/usb2.txt')
| -rw-r--r-- | docs/usb2.txt | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/docs/usb2.txt b/docs/usb2.txt index 43dacdec2..c7a445afc 100644 --- a/docs/usb2.txt +++ b/docs/usb2.txt @@ -11,7 +11,7 @@ one USB 2.0 bus driven by the EHCI controller. Devices must be attached to the correct controller manually. The '-usb' switch will make qemu create the UHCI controller as part of -the PIIX3 chipset. The USB 1.1 bus will carry the name "usb.0". +the PIIX3 chipset. The USB 1.1 bus will carry the name "usb-bus.0". You can use the standard -device switch to add a EHCI controller to your virtual machine. It is strongly recommended to specify an ID for @@ -27,7 +27,7 @@ a complete example: -drive if=none,id=usbstick,file=/path/to/image \ -usb \ -device usb-ehci,id=ehci \ - -device usb-tablet,bus=usb.0 \ + -device usb-tablet,bus=usb-bus.0 \ -device usb-storage,bus=ehci.0,drive=usbstick This attaches a usb tablet to the UHCI adapter and a usb mass storage @@ -88,22 +88,22 @@ ports (1-4), the emulated (1.1) USB hub has eight ports. Plugging a tablet into UHCI port 1 works like this: - -device usb-tablet,bus=usb.0,port=1 + -device usb-tablet,bus=usb-bus.0,port=1 Plugging a hub into UHCI port 2 works like this: - -device usb-hub,bus=usb.0,port=2 + -device usb-hub,bus=usb-bus.0,port=2 Plugging a virtual usb stick into port 4 of the hub just plugged works this way: - -device usb-storage,bus=usb.0,port=2.4,drive=... + -device usb-storage,bus=usb-bus.0,port=2.4,drive=... You can do basically the same in the monitor using the device_add command. If you want to unplug devices too you should specify some unique id which you can use to refer to the device ... - (qemu) device_add usb-tablet,bus=usb.0,port=1,id=my-tablet + (qemu) device_add usb-tablet,bus=usb-bus.0,port=1,id=my-tablet (qemu) device_del my-tablet ... when unplugging it with device_del. @@ -148,10 +148,10 @@ using for testing is bus 1 + port 1 for 2.0 devices and bus 3 + port 1 for 1.1 devices. Passing through any device plugged into that port and also assign them to the correct bus can be done this way: - qemu -M pc ${otheroptions} \ - -usb \ - -device usb-ehci,id=ehci \ - -device usb-host,bus=usb.0,hostbus=3,hostport=1 \ + qemu -M pc ${otheroptions} \ + -usb \ + -device usb-ehci,id=ehci \ + -device usb-host,bus=usb-bus.0,hostbus=3,hostport=1 \ -device usb-host,bus=ehci.0,hostbus=1,hostport=1 enjoy, |