| /* | 
 |  *    Copyright (c) 1996 Paul Mackerras <paulus@cs.anu.edu.au> | 
 |  *      Changes to accommodate Power Macintoshes. | 
 |  *    Cort Dougan <cort@cs.nmt.edu> | 
 |  *      Rewrites. | 
 |  *    Grant Erickson <grant@lcse.umn.edu> | 
 |  *      General rework and split from mm/init.c. | 
 |  * | 
 |  *    Module name: mem_pieces.h | 
 |  * | 
 |  *    Description: | 
 |  *      Routines and data structures for manipulating and representing | 
 |  *      phyiscal memory extents (i.e. address/length pairs). | 
 |  * | 
 |  */ | 
 |  | 
 | #ifndef __MEM_PIECES_H__ | 
 | #define	__MEM_PIECES_H__ | 
 |  | 
 | #include <asm/prom.h> | 
 |  | 
 | #ifdef __cplusplus | 
 | extern "C" { | 
 | #endif | 
 |  | 
 |  | 
 | /* Type Definitions */ | 
 |  | 
 | #define	MEM_PIECES_MAX	32 | 
 |  | 
 | struct mem_pieces { | 
 |     int n_regions; | 
 |     struct reg_property regions[MEM_PIECES_MAX]; | 
 | }; | 
 |  | 
 | /* Function Prototypes */ | 
 |  | 
 | extern void	*mem_pieces_find(unsigned int size, unsigned int align); | 
 | extern void	 mem_pieces_remove(struct mem_pieces *mp, unsigned int start, | 
 | 				   unsigned int size, int must_exist); | 
 | extern void	 mem_pieces_coalesce(struct mem_pieces *mp); | 
 | extern void	 mem_pieces_sort(struct mem_pieces *mp); | 
 |  | 
 | #ifdef __cplusplus | 
 | } | 
 | #endif | 
 |  | 
 | #endif /* __MEM_PIECES_H__ */ |