| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1996 Paul Mackerras <paulus@cs.anu.edu.au> |
| 3 | * Changes to accommodate Power Macintoshes. |
| 4 | * Cort Dougan <cort@cs.nmt.edu> |
| 5 | * Rewrites. |
| 6 | * Grant Erickson <grant@lcse.umn.edu> |
| 7 | * General rework and split from mm/init.c. |
| 8 | * |
| 9 | * Module name: mem_pieces.h |
| 10 | * |
| 11 | * Description: |
| 12 | * Routines and data structures for manipulating and representing |
| 13 | * phyiscal memory extents (i.e. address/length pairs). |
| 14 | * |
| 15 | */ |
| 16 | |
| 17 | #ifndef __MEM_PIECES_H__ |
| 18 | #define __MEM_PIECES_H__ |
| 19 | |
| 20 | #include <asm/prom.h> |
| 21 | |
| 22 | #ifdef __cplusplus |
| 23 | extern "C" { |
| 24 | #endif |
| 25 | |
| 26 | |
| 27 | /* Type Definitions */ |
| 28 | |
| 29 | #define MEM_PIECES_MAX 32 |
| 30 | |
| 31 | struct mem_pieces { |
| 32 | int n_regions; |
| 33 | struct reg_property regions[MEM_PIECES_MAX]; |
| 34 | }; |
| 35 | |
| 36 | /* Function Prototypes */ |
| 37 | |
| 38 | extern void *mem_pieces_find(unsigned int size, unsigned int align); |
| 39 | extern void mem_pieces_remove(struct mem_pieces *mp, unsigned int start, |
| 40 | unsigned int size, int must_exist); |
| 41 | extern void mem_pieces_coalesce(struct mem_pieces *mp); |
| 42 | extern void mem_pieces_sort(struct mem_pieces *mp); |
| 43 | |
| 44 | #ifdef __cplusplus |
| 45 | } |
| 46 | #endif |
| 47 | |
| 48 | #endif /* __MEM_PIECES_H__ */ |