xl.cfg:
usbdev = [ "hostbus=1,hostaddr=3" ]
usb.xml:
<hostdev mode='subsystem' type='usb' managed='no'>
<source>
<address bus='1' device='3'/>
</source>
</hostdev>
Signed-off-by: Chunyan Liu <cyliu@xxxxxxxx>
---
src/xenconfig/xen_xl.c | 151 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 151 insertions(+)
diff --git a/src/xenconfig/xen_xl.c b/src/xenconfig/xen_xl.c
index 15350f9..11e90b6 100644
--- a/src/xenconfig/xen_xl.c
+++ b/src/xenconfig/xen_xl.c
@@ -485,6 +485,85 @@ xenParseXLInputDevs(virConfPtr conf, virDomainDefPtr def)
return 0;
}
+static int
+xenParseXLUSB(virConfPtr conf, virDomainDefPtr def)
+{
+ virConfValuePtr list = virConfGetValue(conf, "usbdev");
+ virDomainHostdevDefPtr hostdev = NULL;
+
+ if (list && list->type == VIR_CONF_LIST) {
+ list = list->list;
+ while (list) {
+ char bus[3];
+ char device[3];
+ char *key;
+ int busNum;
+ int devNum;
+
+ bus[0] = device[0] = '\0';
+
+ if ((list->type != VIR_CONF_STRING) || (list->str == NULL))
+ goto skipusb;
+ /* usbdev=['hostbus=1,hostaddr=3'] */
+ key = list->str;
+ while (key) {
+ char *data;
+ char *nextkey = strchr(key, ',');
+
+ if (!(data = strchr(key, '=')))
+ goto skipusb;
+ data++;
+
+ if (STRPREFIX(key, "hostbus=")) {
+ int len = nextkey ? (nextkey - data) : sizeof(bus) - 1;
+ if (virStrncpy(bus, data, len, sizeof(bus)) == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("bus %s too big for destination"),
+ data);
+ goto skipusb;
+ }
+ } else if (STRPREFIX(key, "hostaddr=")) {
+ int len = nextkey ? (nextkey - data) : sizeof(device) - 1;
+ if (virStrncpy(device, data, len, sizeof(device)) == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("device %s too big for destination"),
+ data);
+ goto skipusb;
+ }
+ }
+
+ while (nextkey && (nextkey[0] == ',' ||
+ nextkey[0] == ' ' ||
+ nextkey[0] == '\t'))
+ nextkey++;
+ key = nextkey;
+ }
+
+ if (virStrToLong_i(bus, NULL, 16, &busNum) < 0)
+ goto skipusb;
+ if (virStrToLong_i(device, NULL, 16, &devNum) < 0)
+ goto skipusb;
+ if (!(hostdev = virDomainHostdevDefAlloc(NULL)))
+ return -1;
+
+ hostdev->managed = false;
+ hostdev->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB;
+ hostdev->source.subsys.u.usb.bus = busNum;
+ hostdev->source.subsys.u.usb.device = devNum;
+
+ if (VIR_APPEND_ELEMENT(def->hostdevs, def->nhostdevs, hostdev) < 0) {
+ virDomainHostdevDefFree(hostdev);
+ return -1;
+ }
+
+ skipusb:
+ list = list->next;
+ }
+ }
+
+ return 0;
+}
+
virDomainDefPtr
xenParseXL(virConfPtr conf,
virCapsPtr caps,
@@ -513,6 +592,9 @@ xenParseXL(virConfPtr conf,
if (xenParseXLInputDevs(conf, def) < 0)
goto cleanup;
+ if (xenParseXLUSB(conf, def) < 0)
+ goto cleanup;
+
if (virDomainDefPostParse(def, caps, VIR_DOMAIN_DEF_PARSE_ABI_UPDATE,
xmlopt) < 0)
goto cleanup;
@@ -984,6 +1066,72 @@ xenFormatXLInputDevs(virConfPtr conf, virDomainDefPtr def)
return -1;
}
+static int
+xenFormatXLUSB(virConfPtr conf,
+ virDomainDefPtr def)
+{
+ virConfValuePtr usbVal = NULL;
+ int hasUSB = 0;
+ size_t i;
+
+ for (i = 0; i < def->nhostdevs; i++) {
+ if (def->hostdevs[i]->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
+ def->hostdevs[i]->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {
+ hasUSB = 1;
+ break;
+ }
+ }
+
+ if (!hasUSB)
+ return 0;
+
+ if (VIR_ALLOC(usbVal) < 0)
+ return -1;
+
+ usbVal->type = VIR_CONF_LIST;
+ usbVal->list = NULL;
+
+ for (i = 0; i < def->nhostdevs; i++) {
+ if (def->hostdevs[i]->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
+ def->hostdevs[i]->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {
+ virConfValuePtr val, tmp;
+ char *buf;
+
+ if (virAsprintf(&buf, "hostbus=%x,hostaddr=%x",
+ def->hostdevs[i]->source.subsys.u.usb.bus,
+ def->hostdevs[i]->source.subsys.u.usb.device) < 0)
+ goto error;
+
+ if (VIR_ALLOC(val) < 0) {
+ VIR_FREE(buf);
+ goto error;
+ }
+ val->type = VIR_CONF_STRING;
+ val->str = buf;
+ tmp = usbVal->list;
+ while (tmp && tmp->next)
+ tmp = tmp->next;
+ if (tmp)
+ tmp->next = val;
+ else
+ usbVal->list = val;
+ }
+ }
+
+ if (usbVal->list != NULL) {
+ int ret = virConfSetValue(conf, "usbdev", usbVal);
+ usbVal = NULL;
+ if (ret < 0)
+ return -1;
+ }
+ VIR_FREE(usbVal);
+
+ return 0;
+
+ error:
+ virConfFreeValue(usbVal);
+ return -1;
+}
virConfPtr
xenFormatXL(virDomainDefPtr def, virConnectPtr conn)
@@ -1008,6 +1156,9 @@ xenFormatXL(virDomainDefPtr def, virConnectPtr conn)
if (xenFormatXLInputDevs(conf, def) < 0)
goto cleanup;
+ if (xenFormatXLUSB(conf, def) < 0)
+ goto cleanup;
+
return conf;
cleanup:
--
2.1.4
--
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