^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * include/asm-ppc/rheap.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Header file for the implementation of a remote heap.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Author: Pantelis Antoniou <panto@intracom.gr>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * 2004 (c) INTRACOM S.A. Greece. This file is licensed under
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * the terms of the GNU General Public License version 2. This program
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * is licensed "as is" without any warranty of any kind, whether express
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * or implied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #ifndef __ASM_PPC_RHEAP_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define __ASM_PPC_RHEAP_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) typedef struct _rh_block {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) unsigned long start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) const char *owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) } rh_block_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) typedef struct _rh_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) unsigned int alignment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) int max_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) int empty_slots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) rh_block_t *block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct list_head empty_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct list_head free_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct list_head taken_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) unsigned int flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) } rh_info_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define RHIF_STATIC_INFO 0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define RHIF_STATIC_BLOCK 0x2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) typedef struct _rh_stats {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) unsigned long start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) const char *owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) } rh_stats_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define RHGS_FREE 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define RHGS_TAKEN 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /* Create a remote heap dynamically */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) extern rh_info_t *rh_create(unsigned int alignment);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /* Destroy a remote heap, created by rh_create() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) extern void rh_destroy(rh_info_t * info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) /* Initialize in place a remote info block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) extern void rh_init(rh_info_t * info, unsigned int alignment, int max_blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) rh_block_t * block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) /* Attach a free region to manage */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) extern int rh_attach_region(rh_info_t * info, unsigned long start, int size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /* Detach a free region */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) extern unsigned long rh_detach_region(rh_info_t * info, unsigned long start, int size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) /* Allocate the given size from the remote heap (with alignment) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) extern unsigned long rh_alloc_align(rh_info_t * info, int size, int alignment,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) const char *owner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) /* Allocate the given size from the remote heap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) extern unsigned long rh_alloc(rh_info_t * info, int size, const char *owner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /* Allocate the given size from the given address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) extern unsigned long rh_alloc_fixed(rh_info_t * info, unsigned long start, int size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) const char *owner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) /* Free the allocated area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) extern int rh_free(rh_info_t * info, unsigned long start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) /* Get stats for debugging purposes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) extern int rh_get_stats(rh_info_t * info, int what, int max_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) rh_stats_t * stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) /* Simple dump of remote heap info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) extern void rh_dump(rh_info_t * info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) /* Simple dump of remote info block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) void rh_dump_blk(rh_info_t *info, rh_block_t *blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) /* Set owner of taken block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) extern int rh_set_owner(rh_info_t * info, unsigned long start, const char *owner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #endif /* __ASM_PPC_RHEAP_H__ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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