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-rw-r--r--include/asm-powerpc/rheap.h89
1 files changed, 0 insertions, 89 deletions
diff --git a/include/asm-powerpc/rheap.h b/include/asm-powerpc/rheap.h
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1/*
2 * include/asm-ppc/rheap.h
3 *
4 * Header file for the implementation of a remote heap.
5 *
6 * Author: Pantelis Antoniou <panto@intracom.gr>
7 *
8 * 2004 (c) INTRACOM S.A. Greece. This file is licensed under
9 * the terms of the GNU General Public License version 2. This program
10 * is licensed "as is" without any warranty of any kind, whether express
11 * or implied.
12 */
13
14#ifndef __ASM_PPC_RHEAP_H__
15#define __ASM_PPC_RHEAP_H__
16
17#include <linux/list.h>
18
19typedef struct _rh_block {
20 struct list_head list;
21 unsigned long start;
22 int size;
23 const char *owner;
24} rh_block_t;
25
26typedef struct _rh_info {
27 unsigned int alignment;
28 int max_blocks;
29 int empty_slots;
30 rh_block_t *block;
31 struct list_head empty_list;
32 struct list_head free_list;
33 struct list_head taken_list;
34 unsigned int flags;
35} rh_info_t;
36
37#define RHIF_STATIC_INFO 0x1
38#define RHIF_STATIC_BLOCK 0x2
39
40typedef struct _rh_stats {
41 unsigned long start;
42 int size;
43 const char *owner;
44} rh_stats_t;
45
46#define RHGS_FREE 0
47#define RHGS_TAKEN 1
48
49/* Create a remote heap dynamically */
50extern rh_info_t *rh_create(unsigned int alignment);
51
52/* Destroy a remote heap, created by rh_create() */
53extern void rh_destroy(rh_info_t * info);
54
55/* Initialize in place a remote info block */
56extern void rh_init(rh_info_t * info, unsigned int alignment, int max_blocks,
57 rh_block_t * block);
58
59/* Attach a free region to manage */
60extern int rh_attach_region(rh_info_t * info, unsigned long start, int size);
61
62/* Detach a free region */
63extern unsigned long rh_detach_region(rh_info_t * info, unsigned long start, int size);
64
65/* Allocate the given size from the remote heap (with alignment) */
66extern unsigned long rh_alloc_align(rh_info_t * info, int size, int alignment,
67 const char *owner);
68
69/* Allocate the given size from the remote heap */
70extern unsigned long rh_alloc(rh_info_t * info, int size, const char *owner);
71
72/* Allocate the given size from the given address */
73extern unsigned long rh_alloc_fixed(rh_info_t * info, unsigned long start, int size,
74 const char *owner);
75
76/* Free the allocated area */
77extern int rh_free(rh_info_t * info, unsigned long start);
78
79/* Get stats for debugging purposes */
80extern int rh_get_stats(rh_info_t * info, int what, int max_stats,
81 rh_stats_t * stats);
82
83/* Simple dump of remote heap info */
84extern void rh_dump(rh_info_t * info);
85
86/* Set owner of taken block */
87extern int rh_set_owner(rh_info_t * info, unsigned long start, const char *owner);
88
89#endif /* __ASM_PPC_RHEAP_H__ */