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92 lines
2.5 KiB
92 lines
2.5 KiB
/* |
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* include/asm-ppc/rheap.h |
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* |
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* Header file for the implementation of a remote heap. |
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* |
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* Author: Pantelis Antoniou <[email protected]> |
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* |
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* 2004 (c) INTRACOM S.A. Greece. This file is licensed under |
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* the terms of the GNU General Public License version 2. This program |
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* is licensed "as is" without any warranty of any kind, whether express |
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* or implied. |
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*/ |
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#ifndef __ASM_PPC_RHEAP_H__ |
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#define __ASM_PPC_RHEAP_H__ |
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#include <linux/list.h> |
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typedef struct _rh_block { |
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struct list_head list; |
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unsigned long start; |
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int size; |
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const char *owner; |
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} rh_block_t; |
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typedef struct _rh_info { |
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unsigned int alignment; |
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int max_blocks; |
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int empty_slots; |
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rh_block_t *block; |
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struct list_head empty_list; |
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struct list_head free_list; |
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struct list_head taken_list; |
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unsigned int flags; |
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} rh_info_t; |
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#define RHIF_STATIC_INFO 0x1 |
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#define RHIF_STATIC_BLOCK 0x2 |
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typedef struct _rh_stats { |
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unsigned long start; |
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int size; |
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const char *owner; |
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} rh_stats_t; |
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#define RHGS_FREE 0 |
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#define RHGS_TAKEN 1 |
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/* Create a remote heap dynamically */ |
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extern rh_info_t *rh_create(unsigned int alignment); |
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/* Destroy a remote heap, created by rh_create() */ |
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extern void rh_destroy(rh_info_t * info); |
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/* Initialize in place a remote info block */ |
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extern void rh_init(rh_info_t * info, unsigned int alignment, int max_blocks, |
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rh_block_t * block); |
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/* Attach a free region to manage */ |
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extern int rh_attach_region(rh_info_t * info, unsigned long start, int size); |
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/* Detach a free region */ |
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extern unsigned long rh_detach_region(rh_info_t * info, unsigned long start, int size); |
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/* Allocate the given size from the remote heap (with alignment) */ |
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extern unsigned long rh_alloc_align(rh_info_t * info, int size, int alignment, |
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const char *owner); |
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/* Allocate the given size from the remote heap */ |
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extern unsigned long rh_alloc(rh_info_t * info, int size, const char *owner); |
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/* Allocate the given size from the given address */ |
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extern unsigned long rh_alloc_fixed(rh_info_t * info, unsigned long start, int size, |
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const char *owner); |
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/* Free the allocated area */ |
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extern int rh_free(rh_info_t * info, unsigned long start); |
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/* Get stats for debugging purposes */ |
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extern int rh_get_stats(rh_info_t * info, int what, int max_stats, |
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rh_stats_t * stats); |
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/* Simple dump of remote heap info */ |
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extern void rh_dump(rh_info_t * info); |
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/* Simple dump of remote info block */ |
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void rh_dump_blk(rh_info_t *info, rh_block_t *blk); |
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/* Set owner of taken block */ |
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extern int rh_set_owner(rh_info_t * info, unsigned long start, const char *owner); |
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#endif /* __ASM_PPC_RHEAP_H__ */
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