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Rev 2927 Rev 3674
Line 55... Line 55...
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/** Get OpenFirmware node property.
 55 
/** Get OpenFirmware node property.
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 *
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 *
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 * @param node Node in which to lookup the property.
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 * @param node      Node in which to lookup the property.
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 * @param name Name of the property.
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 * @param name      Name of the property.
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 *
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 *
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 * @return Pointer to the property structure or NULL if no such property.
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 * @return      Pointer to the property structure or NULL if no such
- 
 
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 *          property.
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 */
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 */
- 
 
 63 
ofw_tree_property_t *
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ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *node, const char *name)
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ofw_tree_getprop(const ofw_tree_node_t *node, const char *name)
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{
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{
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    unsigned int i;
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    unsigned int i;
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    for (i = 0; i < node->properties; i++) {
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    for (i = 0; i < node->properties; i++) {
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        if (strcmp(node->property[i].name, name) == 0)
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        if (strcmp(node->property[i].name, name) == 0)
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/** Lookup child of given name.
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/** Lookup child of given name.
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 *
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 *
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 * @param node Node whose child is being looked up.
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 * @param node      Node whose child is being looked up.
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 * @param name Name of the child being looked up.
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 * @param name      Name of the child being looked up.
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 *
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 *
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 * @return NULL if there is no such child or pointer to the matching child node.
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 * @return      NULL if there is no such child or pointer to the
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 *          matching child node.
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 */
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 */
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ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *name)
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ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *name)
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{
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{
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    ofw_tree_node_t *cur;
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    ofw_tree_node_t *cur;
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 107 
   
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/** Lookup first child of given device type.
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/** Lookup first child of given device type.
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 *
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 *
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 * @param node Node whose child is being looked up.
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 * @param node      Node whose child is being looked up.
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 * @param name Device type of the child being looked up.
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 * @param name      Device type of the child being looked up.
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 *
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 *
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 * @return NULL if there is no such child or pointer to the matching child node.
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 * @return      NULL if there is no such child or pointer to the
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 *          matching child node.
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 */
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 */
- 
 
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ofw_tree_node_t *
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ofw_tree_node_t *ofw_tree_find_child_by_device_type(ofw_tree_node_t *node, const char *name)
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ofw_tree_find_child_by_device_type(ofw_tree_node_t *node, const char *name)
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{
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{
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    ofw_tree_node_t *cur;
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    ofw_tree_node_t *cur;
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    ofw_tree_property_t *prop;
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    ofw_tree_property_t *prop;
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    for (cur = node->child; cur; cur = cur->peer) {
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    for (cur = node->child; cur; cur = cur->peer) {
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 * are looked up iteratively to avoid stack overflow.
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 * are looked up iteratively to avoid stack overflow.
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 *
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 *
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 * @param root Root of the searched subtree.
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 * @param root      Root of the searched subtree.
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 * @param handle OpenFirmware handle.
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 * @param handle    OpenFirmware handle.
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 *
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 *
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 * @return NULL if there is no such node or pointer to the matching node.
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 * @return      NULL if there is no such node or pointer to the matching
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 *          node.
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 */
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 */
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ofw_tree_node_t *
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ofw_tree_node_t *ofw_tree_find_node_by_handle(ofw_tree_node_t *root, uint32_t handle)
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ofw_tree_find_node_by_handle(ofw_tree_node_t *root, uint32_t handle)
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{
 169 
{
163 
    ofw_tree_node_t *cur;
 170 
    ofw_tree_node_t *cur;
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 171 
 
165 
    for (cur = root; cur; cur = cur->peer) {       
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    for (cur = root; cur; cur = cur->peer) {       
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        if (cur->node_handle == handle)
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        if (cur->node_handle == handle)
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/** Lookup first peer of given device type.
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/** Lookup first peer of given device type.
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 *
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 *
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 * @param node Node whose peer is being looked up.
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 * @param node      Node whose peer is being looked up.
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 * @param name Device type of the child being looked up.
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 * @param name      Device type of the child being looked up.
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 *
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 *
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 * @return NULL if there is no such child or pointer to the matching child node.
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 * @return      NULL if there is no such child or pointer to the
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 *          matching child node.
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 */
 195 
 */
- 
 
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ofw_tree_node_t *
188 
ofw_tree_node_t *ofw_tree_find_peer_by_device_type(ofw_tree_node_t *node, const char *name)
 197 
ofw_tree_find_peer_by_device_type(ofw_tree_node_t *node, const char *name)
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{
 198 
{
190 
    ofw_tree_node_t *cur;
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    ofw_tree_node_t *cur;
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    ofw_tree_property_t *prop;
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    ofw_tree_property_t *prop;
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 201 
   
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    for (cur = node->peer; cur; cur = cur->peer) {
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    for (cur = node->peer; cur; cur = cur->peer) {
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201 
    return NULL;
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    return NULL;
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}
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}
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 212 
 
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- 
 
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/** Lookup first peer of given name.
- 
 
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 *
- 
 
 216 
 * @param node      Node whose peer is being looked up.
- 
 
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 * @param name      Name of the child being looked up.
- 
 
 218 
 *
- 
 
 219 
 * @return      NULL if there is no such peer or pointer to the matching
- 
 
 220 
 *          peer node.
- 
 
 221 
 */
- 
 
 222 
ofw_tree_node_t *
- 
 
 223 
ofw_tree_find_peer_by_name(ofw_tree_node_t *node, const char *name)
- 
 
 224 
{
- 
 
 225 
    ofw_tree_node_t *cur;
- 
 
 226 
    ofw_tree_property_t *prop;
- 
 
 227 
   
- 
 
 228 
    for (cur = node->peer; cur; cur = cur->peer) {
- 
 
 229 
        prop = ofw_tree_getprop(cur, "name");
- 
 
 230 
        if (!prop || !prop->value)
- 
 
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            continue;
- 
 
 232 
        if (strcmp(prop->value, name) == 0)
- 
 
 233 
            return cur;
- 
 
 234 
    }
- 
 
 235 
           
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 236 
    return NULL;
- 
 
 237 
}
- 
 
 238 
 
205 
/** Lookup OpenFirmware node by its path.
 239 
/** Lookup OpenFirmware node by its path.
206 
 *
 240 
 *
207 
 * @param path Path to the node.
 241 
 * @param path      Path to the node.
208 
 *
 242 
 *
209 
 * @return NULL if there is no such node or pointer to the leaf node.
 243 
 * @return      NULL if there is no such node or pointer to the leaf
- 
 
 244 
 *          node.
210 
 */
 245 
 */
211 
ofw_tree_node_t *ofw_tree_lookup(const char *path)
 246 
ofw_tree_node_t *ofw_tree_lookup(const char *path)
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{
 247 
{
213 
    char buf[NAME_BUF_LEN+1];
 248 
    char buf[NAME_BUF_LEN + 1];
214 
    ofw_tree_node_t *node = ofw_root;
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    ofw_tree_node_t *node = ofw_root;