static virNodeDeviceDefPtr
virNodeDeviceDefParseXML(xmlXPathContextPtr ctxt, int create)
{
virNodeDeviceDefPtr def;
virNodeDevCapsDefPtr *next_cap;
xmlNodePtr *nodes;
int n, i;
if (VIR_ALLOC(def) < 0) {
virReportOOMError();
return NULL;
}
/* Extract device name */
if (create == EXISTING_DEVICE) {
def->name = virXPathString("string(./name[1])", ctxt);
if (!def->name) {
virNodeDeviceReportError(VIR_ERR_NO_NAME, NULL);
goto error;
}
} else {
def->name = strdup("new device");
if (!def->name) {
virReportOOMError();
goto error;
}
}
/* Extract device parent, if any */
def->parent = virXPathString("string(./parent[1])", ctxt);
/* Parse device capabilities */
nodes = NULL;
if ((n = virXPathNodeSet("./capability", ctxt, &nodes)) <= 0) {
virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
_("no device capabilities for '%s'"),
def->name);
goto error;
}
next_cap = &def->caps;
for (i = 0 ; i < n ; i++) {
*next_cap = virNodeDevCapsDefParseXML(ctxt, def, nodes[i], create);
if (!*next_cap) {
VIR_FREE(nodes);
goto error;
}
next_cap = &(*next_cap)->next;
}
VIR_FREE(nodes);
return def;
error:
virNodeDeviceDefFree(def);
return NULL;
}
static int
testCompareXMLToXMLFiles(const char *xml)
{
char *xmlData = NULL;
char *actual = NULL;
int ret = -1;
virNodeDeviceDefPtr dev = NULL;
if (virtTestLoadFile(xml, &xmlData) < 0)
goto fail;
if (!(dev = virNodeDeviceDefParseString(xmlData, EXISTING_DEVICE, NULL)))
goto fail;
if (!(actual = virNodeDeviceDefFormat(dev)))
goto fail;
if (STRNEQ(xmlData, actual)) {
virtTestDifferenceFull(stderr, xmlData, xml, actual, NULL);
goto fail;
}
ret = 0;
fail:
VIR_FREE(xmlData);
VIR_FREE(actual);
virNodeDeviceDefFree(dev);
return ret;
}
static void
virNodeDeviceObjDispose(void *opaque)
{
virNodeDeviceObjPtr obj = opaque;
virNodeDeviceDefFree(obj->def);
}
virNodeDevicePtr
nodeDeviceCreateXML(virConnectPtr conn,
const char *xmlDesc,
unsigned int flags)
{
virNodeDeviceDriverStatePtr driver = conn->nodeDevicePrivateData;
virNodeDeviceDefPtr def = NULL;
char *wwnn = NULL, *wwpn = NULL;
int parent_host = -1;
virNodeDevicePtr dev = NULL;
const char *virt_type = NULL;
virCheckFlags(0, NULL);
virt_type = virConnectGetType(conn);
nodeDeviceLock(driver);
def = virNodeDeviceDefParseString(xmlDesc, CREATE_DEVICE, virt_type);
if (def == NULL) {
goto cleanup;
}
if (virNodeDeviceCreateXMLEnsureACL(conn, def) < 0)
goto cleanup;
if (virNodeDeviceGetWWNs(def, &wwnn, &wwpn) == -1) {
goto cleanup;
}
if (virNodeDeviceGetParentHost(&driver->devs,
def->name,
def->parent,
&parent_host) == -1) {
goto cleanup;
}
if (virManageVport(parent_host,
wwpn,
wwnn,
VPORT_CREATE) == -1) {
goto cleanup;
}
dev = find_new_device(conn, wwnn, wwpn);
/* We don't check the return value, because one way or another,
* we're returning what we get... */
if (dev == NULL) {
virReportError(VIR_ERR_NO_NODE_DEVICE, NULL);
}
cleanup:
nodeDeviceUnlock(driver);
virNodeDeviceDefFree(def);
VIR_FREE(wwnn);
VIR_FREE(wwpn);
return dev;
}
static int
testCompareXMLToXMLFiles(const char *xml)
{
char *xmlData = NULL;
char *actual = NULL;
int ret = -1;
virNodeDeviceDefPtr dev = NULL;
virNodeDevCapsDefPtr caps;
if (virTestLoadFile(xml, &xmlData) < 0)
goto fail;
if (!(dev = virNodeDeviceDefParseString(xmlData, EXISTING_DEVICE, NULL)))
goto fail;
/* Calculate some things that are not read in */
for (caps = dev->caps; caps; caps = caps->next) {
virNodeDevCapDataPtr data = &caps->data;
if (caps->data.type == VIR_NODE_DEV_CAP_STORAGE) {
if (data->storage.flags & VIR_NODE_DEV_CAP_STORAGE_REMOVABLE) {
if (data->storage.flags &
VIR_NODE_DEV_CAP_STORAGE_REMOVABLE_MEDIA_AVAILABLE) {
data->storage.logical_block_size = 2048;
data->storage.num_blocks =
data->storage.removable_media_size /
data->storage.logical_block_size;
}
} else {
data->storage.logical_block_size = 512;
data->storage.num_blocks = data->storage.size /
data->storage.logical_block_size;
}
}
}
if (!(actual = virNodeDeviceDefFormat(dev)))
goto fail;
if (STRNEQ(xmlData, actual)) {
virTestDifferenceFull(stderr, xmlData, xml, actual, NULL);
goto fail;
}
ret = 0;
fail:
VIR_FREE(xmlData);
VIR_FREE(actual);
virNodeDeviceDefFree(dev);
return ret;
}
void virNodeDeviceObjFree(virNodeDeviceObjPtr dev)
{
if (!dev)
return;
virNodeDeviceDefFree(dev->def);
if (dev->privateFree)
(*dev->privateFree)(dev->privateData);
virMutexDestroy(&dev->lock);
VIR_FREE(dev);
}
static virNodeDevicePtr
nodeDeviceCreateXML(virConnectPtr conn,
const char *xmlDesc,
unsigned int flags ATTRIBUTE_UNUSED)
{
virDeviceMonitorStatePtr driver = conn->devMonPrivateData;
virNodeDeviceDefPtr def = NULL;
char *wwnn = NULL, *wwpn = NULL;
int parent_host = -1;
virNodeDevicePtr dev = NULL;
nodeDeviceLock(driver);
def = virNodeDeviceDefParseString(xmlDesc, CREATE_DEVICE);
if (def == NULL) {
goto cleanup;
}
if (virNodeDeviceGetWWNs(def, &wwnn, &wwpn) == -1) {
goto cleanup;
}
if (virNodeDeviceGetParentHost(&driver->devs,
def->name,
def->parent,
&parent_host) == -1) {
goto cleanup;
}
if (nodeDeviceVportCreateDelete(parent_host,
wwpn,
wwnn,
VPORT_CREATE) == -1) {
goto cleanup;
}
dev = find_new_device(conn, wwnn, wwpn);
/* We don't check the return value, because one way or another,
* we're returning what we get... */
if (dev == NULL) {
virNodeDeviceReportError(VIR_ERR_NO_NODE_DEVICE, NULL);
}
cleanup:
nodeDeviceUnlock(driver);
virNodeDeviceDefFree(def);
VIR_FREE(wwnn);
VIR_FREE(wwpn);
return dev;
}
virNodeDevicePtr
nodeDeviceCreateXML(virConnectPtr conn,
const char *xmlDesc,
unsigned int flags)
{
virNodeDeviceDefPtr def = NULL;
char *wwnn = NULL, *wwpn = NULL;
int parent_host = -1;
virNodeDevicePtr dev = NULL;
const char *virt_type = NULL;
virCheckFlags(0, NULL);
virt_type = virConnectGetType(conn);
nodeDeviceLock();
if (!(def = virNodeDeviceDefParseString(xmlDesc, CREATE_DEVICE, virt_type)))
goto cleanup;
if (virNodeDeviceCreateXMLEnsureACL(conn, def) < 0)
goto cleanup;
if (virNodeDeviceGetWWNs(def, &wwnn, &wwpn) == -1)
goto cleanup;
if ((parent_host = virNodeDeviceObjGetParentHost(&driver->devs, def,
CREATE_DEVICE)) < 0)
goto cleanup;
if (virVHBAManageVport(parent_host, wwpn, wwnn, VPORT_CREATE) < 0)
goto cleanup;
dev = nodeDeviceFindNewDevice(conn, wwnn, wwpn);
/* We don't check the return value, because one way or another,
* we're returning what we get... */
if (dev == NULL)
virReportError(VIR_ERR_NO_NODE_DEVICE,
_("no node device for '%s' with matching "
"wwnn '%s' and wwpn '%s'"),
def->name, wwnn, wwpn);
cleanup:
nodeDeviceUnlock();
virNodeDeviceDefFree(def);
VIR_FREE(wwnn);
VIR_FREE(wwpn);
return dev;
}
virNodeDeviceObjPtr virNodeDeviceAssignDef(virNodeDeviceObjListPtr devs,
const virNodeDeviceDefPtr def)
{
virNodeDeviceObjPtr device;
if ((device = virNodeDeviceFindByName(devs, def->name))) {
virNodeDeviceDefFree(device->def);
device->def = def;
return device;
}
if (VIR_ALLOC(device) < 0) {
virReportOOMError();
return NULL;
}
if (virMutexInit(&device->lock) < 0) {
virNodeDeviceReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot initialize mutex"));
VIR_FREE(device);
return NULL;
}
virNodeDeviceObjLock(device);
device->def = def;
if (VIR_REALLOC_N(devs->objs, devs->count+1) < 0) {
device->def = NULL;
virNodeDeviceObjUnlock(device);
virNodeDeviceObjFree(device);
virReportOOMError();
return NULL;
}
devs->objs[devs->count++] = device;
return device;
}
static void
dev_create(const char *udi)
{
LibHalContext *ctx;
char *parent_key = NULL;
virNodeDeviceObjPtr dev = NULL;
virNodeDeviceDefPtr def = NULL;
const char *name = hal_name(udi);
int rv;
char *privData;
char *devicePath = NULL;
if (VIR_STRDUP(privData, udi) < 0)
return;
nodeDeviceLock(driverState);
ctx = DRV_STATE_HAL_CTX(driverState);
if (VIR_ALLOC(def) < 0)
goto failure;
if (VIR_STRDUP(def->name, name) < 0)
goto failure;
if (get_str_prop(ctx, udi, "info.parent", &parent_key) == 0) {
if (VIR_STRDUP(def->parent, hal_name(parent_key)) < 0) {
VIR_FREE(parent_key);
goto failure;
}
VIR_FREE(parent_key);
}
rv = gather_capabilities(ctx, udi, &def->caps);
if (rv != 0) goto failure;
if (def->caps == NULL)
goto cleanup;
/* Some devices don't have a path in sysfs, so ignore failure */
(void)get_str_prop(ctx, udi, "linux.sysfs_path", &devicePath);
dev = virNodeDeviceAssignDef(&driverState->devs,
def);
if (!dev) {
VIR_FREE(devicePath);
goto failure;
}
dev->privateData = privData;
dev->privateFree = free_udi;
dev->def->sysfs_path = devicePath;
virNodeDeviceObjUnlock(dev);
nodeDeviceUnlock(driverState);
return;
failure:
VIR_DEBUG("FAILED TO ADD dev %s", name);
cleanup:
VIR_FREE(privData);
virNodeDeviceDefFree(def);
nodeDeviceUnlock(driverState);
}
