diff options
author | Juergen Gross <jgross@suse.com> | 2016-11-22 07:10:59 +0100 |
---|---|---|
committer | Stefano Stabellini <sstabellini@kernel.org> | 2016-11-22 10:29:41 -0800 |
commit | f1784a222eed213ce3213f431bc2f9c570f20c3e (patch) | |
tree | 4259262026f5f52fdced9c90e1f070be5b27ab01 /hw/usb/xen-usb.c | |
parent | 3a6c9172ac5951e6dac2b3f6cbce3cfccdec5894 (diff) |
xen: attach pvusb usb bus to backend qdev
Attach the usb bus of a new pvusb controller to the qdev associated
with the Xen backend. Any device connected to that controller can now
specify the bus and port directly via its properties.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Diffstat (limited to 'hw/usb/xen-usb.c')
-rw-r--r-- | hw/usb/xen-usb.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/hw/usb/xen-usb.c b/hw/usb/xen-usb.c index 1b3c2fb3c7..8e676e6c96 100644 --- a/hw/usb/xen-usb.c +++ b/hw/usb/xen-usb.c @@ -712,15 +712,10 @@ static void usbback_portid_detach(struct usbback_info *usbif, unsigned port) static void usbback_portid_remove(struct usbback_info *usbif, unsigned port) { - USBPort *p; - if (!usbif->ports[port - 1].dev) { return; } - p = &(usbif->ports[port - 1].port); - snprintf(p->path, sizeof(p->path), "%d", 99); - object_unparent(OBJECT(usbif->ports[port - 1].dev)); usbif->ports[port - 1].dev = NULL; usbback_portid_detach(usbif, port); @@ -733,10 +728,10 @@ static void usbback_portid_add(struct usbback_info *usbif, unsigned port, { unsigned speed; char *portname; - USBPort *p; Error *local_err = NULL; QDict *qdict; QemuOpts *opts; + char *tmp; if (usbif->ports[port - 1].dev) { return; @@ -749,11 +744,16 @@ static void usbback_portid_add(struct usbback_info *usbif, unsigned port, return; } portname++; - p = &(usbif->ports[port - 1].port); - snprintf(p->path, sizeof(p->path), "%s", portname); qdict = qdict_new(); qdict_put(qdict, "driver", qstring_from_str("usb-host")); + tmp = g_strdup_printf("%s.0", usbif->xendev.qdev.id); + qdict_put(qdict, "bus", qstring_from_str(tmp)); + g_free(tmp); + tmp = g_strdup_printf("%s-%u", usbif->xendev.qdev.id, port); + qdict_put(qdict, "id", qstring_from_str(tmp)); + g_free(tmp); + qdict_put(qdict, "port", qint_from_int(port)); qdict_put(qdict, "hostbus", qint_from_int(atoi(busid))); qdict_put(qdict, "hostport", qstring_from_str(portname)); opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err); @@ -765,7 +765,6 @@ static void usbback_portid_add(struct usbback_info *usbif, unsigned port, goto err; } QDECREF(qdict); - snprintf(p->path, sizeof(p->path), "%d", port); speed = usbif->ports[port - 1].dev->speed; switch (speed) { case USB_SPEED_LOW: @@ -799,7 +798,6 @@ static void usbback_portid_add(struct usbback_info *usbif, unsigned port, err: QDECREF(qdict); - snprintf(p->path, sizeof(p->path), "%d", 99); xen_pv_printf(&usbif->xendev, 0, "device %s could not be opened\n", busid); } @@ -1012,13 +1010,13 @@ static void usbback_alloc(struct XenDevice *xendev) usbif = container_of(xendev, struct usbback_info, xendev); - usb_bus_new(&usbif->bus, sizeof(usbif->bus), &xen_usb_bus_ops, xen_sysdev); + usb_bus_new(&usbif->bus, sizeof(usbif->bus), &xen_usb_bus_ops, + DEVICE(&xendev->qdev)); for (i = 0; i < USBBACK_MAXPORTS; i++) { p = &(usbif->ports[i].port); usb_register_port(&usbif->bus, p, usbif, i, &xen_usb_port_ops, USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH); - snprintf(p->path, sizeof(p->path), "%d", 99); } QTAILQ_INIT(&usbif->req_free_q); @@ -1066,7 +1064,6 @@ static int usbback_free(struct XenDevice *xendev) } usb_bus_release(&usbif->bus); - object_unparent(OBJECT(&usbif->bus)); TR_BUS(xendev, "finished\n"); |