File e01d300b-libxl-usb-vendor.patch of Package libvirt

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File e01d300b-libxl-usb-vendor.patch of Package libvirt

From e01d300bb1b2185536c81858e4e707e1f16a4c9e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Bosdonnat?= <cbosdonnat@suse.com>
Date: Wed, 10 Aug 2016 18:39:12 -0600
Subject: [PATCH 2/2] libxl: allow vendor/product addressing for USB hostdevs

libxl only has API to address the host USB devices by bus/device.
Find the bus/device if the user only provided the vendor/product
of the USB device.

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
---
 src/libxl/libxl_conf.c | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

Index: libvirt-2.0.0/src/libxl/libxl_conf.c
===================================================================
--- libvirt-2.0.0.orig/src/libxl/libxl_conf.c
+++ libvirt-2.0.0/src/libxl/libxl_conf.c
@@ -1519,23 +1519,36 @@ int
 libxlMakeUSB(virDomainHostdevDefPtr hostdev, libxl_device_usbdev *usbdev)
 {
     virDomainHostdevSubsysUSBPtr usbsrc = &hostdev->source.subsys.u.usb;
+    virUSBDevicePtr usb = NULL;
+    int ret = -1;
 
     if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS)
-        return -1;
+        return ret;
     if (hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB)
-        return -1;
+        return ret;
 
-    if (usbsrc->bus <= 0 || usbsrc->device <= 0) {
-        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                       _("libxenlight supports only USB device "
-                         "specified by busnum:devnum"));
-        return -1;
+    if (usbsrc->bus > 0 && usbsrc->device > 0) {
+        usbdev->u.hostdev.hostbus = usbsrc->bus;
+        usbdev->u.hostdev.hostaddr = usbsrc->device;
+    } else {
+        if (virHostdevFindUSBDevice(hostdev, true, &usb) < 0) {
+            virReportError(VIR_ERR_OPERATION_FAILED,
+                           _("failed to find USB device busnum:devnum "
+                             "for %x:%x"),
+                           usbsrc->vendor, usbsrc->product);
+            goto cleanup;
+        }
+
+        usbdev->u.hostdev.hostbus = virUSBDeviceGetBus(usb);
+        usbdev->u.hostdev.hostaddr = virUSBDeviceGetDevno(usb);
     }
 
-    usbdev->u.hostdev.hostbus = usbsrc->bus;
-    usbdev->u.hostdev.hostaddr = usbsrc->device;
+    ret = 0;
+
+ cleanup:
+    virUSBDeviceFree(usb);
 
-    return 0;
+    return ret;
 }
 
 static int

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File e01d300b-libxl-usb-vendor.patch of Package libvirt

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