48 lines
		
	
	
	
		
			1,011 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			48 lines
		
	
	
	
		
			1,011 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
| 
								 | 
							
								/*
							 | 
						||
| 
								 | 
							
								 *	linux/arch/alpha/kernel/gct.c
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#include <linux/kernel.h>
							 | 
						||
| 
								 | 
							
								#include <linux/types.h>
							 | 
						||
| 
								 | 
							
								#include <linux/errno.h>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#include <asm/hwrpb.h>
							 | 
						||
| 
								 | 
							
								#include <asm/gct.h>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								int
							 | 
						||
| 
								 | 
							
								gct6_find_nodes(gct6_node *node, gct6_search_struct *search)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
									gct6_search_struct *wanted;
							 | 
						||
| 
								 | 
							
									int status = 0;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/* First check the magic number.  */
							 | 
						||
| 
								 | 
							
									if (node->magic != GCT_NODE_MAGIC) {
							 | 
						||
| 
								 | 
							
										printk(KERN_ERR "GCT Node MAGIC incorrect - GCT invalid\n");
							 | 
						||
| 
								 | 
							
										return -EINVAL;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/* Check against the search struct.  */
							 | 
						||
| 
								 | 
							
									for (wanted = search; 
							 | 
						||
| 
								 | 
							
									     wanted && (wanted->type | wanted->subtype); 
							 | 
						||
| 
								 | 
							
									     wanted++) {
							 | 
						||
| 
								 | 
							
										if (node->type != wanted->type)
							 | 
						||
| 
								 | 
							
											continue;
							 | 
						||
| 
								 | 
							
										if (node->subtype != wanted->subtype)
							 | 
						||
| 
								 | 
							
											continue;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										/* Found it -- call out.  */
							 | 
						||
| 
								 | 
							
										if (wanted->callout)
							 | 
						||
| 
								 | 
							
											wanted->callout(node);
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/* Now walk the tree, siblings first.  */
							 | 
						||
| 
								 | 
							
									if (node->next) 
							 | 
						||
| 
								 | 
							
										status |= gct6_find_nodes(GCT_NODE_PTR(node->next), search);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/* Then the children.  */
							 | 
						||
| 
								 | 
							
									if (node->child) 
							 | 
						||
| 
								 | 
							
										status |= gct6_find_nodes(GCT_NODE_PTR(node->child), search);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									return status;
							 | 
						||
| 
								 | 
							
								}
							 |