1/* SPDX-License-Identifier: GPL-2.0 */
2extern struct btree_geo btree_geo128;
3
4struct btree_head128 { struct btree_head h; };
5
6static inline void btree_init_mempool128(struct btree_head128 *head,
7 mempool_t *mempool)
8{
9 btree_init_mempool(&head->h, mempool);
10}
11
12static inline int btree_init128(struct btree_head128 *head)
13{
14 return btree_init(&head->h);
15}
16
17static inline void btree_destroy128(struct btree_head128 *head)
18{
19 btree_destroy(&head->h);
20}
21
22static inline void *btree_lookup128(struct btree_head128 *head, u64 k1, u64 k2)
23{
24 u64 key[2] = {k1, k2};
25 return btree_lookup(&head->h, &btree_geo128, (unsigned long *)&key);
26}
27
28static inline void *btree_get_prev128(struct btree_head128 *head,
29 u64 *k1, u64 *k2)
30{
31 u64 key[2] = {*k1, *k2};
32 void *val;
33
34 val = btree_get_prev(&head->h, &btree_geo128,
35 (unsigned long *)&key);
36 *k1 = key[0];
37 *k2 = key[1];
38 return val;
39}
40
41static inline int btree_insert128(struct btree_head128 *head, u64 k1, u64 k2,
42 void *val, gfp_t gfp)
43{
44 u64 key[2] = {k1, k2};
45 return btree_insert(&head->h, &btree_geo128,
46 (unsigned long *)&key, val, gfp);
47}
48
49static inline int btree_update128(struct btree_head128 *head, u64 k1, u64 k2,
50 void *val)
51{
52 u64 key[2] = {k1, k2};
53 return btree_update(&head->h, &btree_geo128,
54 (unsigned long *)&key, val);
55}
56
57static inline void *btree_remove128(struct btree_head128 *head, u64 k1, u64 k2)
58{
59 u64 key[2] = {k1, k2};
60 return btree_remove(&head->h, &btree_geo128, (unsigned long *)&key);
61}
62
63static inline void *btree_last128(struct btree_head128 *head, u64 *k1, u64 *k2)
64{
65 u64 key[2];
66 void *val;
67
68 val = btree_last(&head->h, &btree_geo128, (unsigned long *)&key[0]);
69 if (val) {
70 *k1 = key[0];
71 *k2 = key[1];
72 }
73
74 return val;
75}
76
77static inline int btree_merge128(struct btree_head128 *target,
78 struct btree_head128 *victim,
79 gfp_t gfp)
80{
81 return btree_merge(&target->h, &victim->h, &btree_geo128, gfp);
82}
83
84void visitor128(void *elem, unsigned long opaque, unsigned long *__key,
85 size_t index, void *__func);
86
87typedef void (*visitor128_t)(void *elem, unsigned long opaque,
88 u64 key1, u64 key2, size_t index);
89
90static inline size_t btree_visitor128(struct btree_head128 *head,
91 unsigned long opaque,
92 visitor128_t func2)
93{
94 return btree_visitor(&head->h, &btree_geo128, opaque,
95 visitor128, func2);
96}
97
98static inline size_t btree_grim_visitor128(struct btree_head128 *head,
99 unsigned long opaque,
100 visitor128_t func2)
101{
102 return btree_grim_visitor(&head->h, &btree_geo128, opaque,
103 visitor128, func2);
104}
105
106#define btree_for_each_safe128(head, k1, k2, val) \
107 for (val = btree_last128(head, &k1, &k2); \
108 val; \
109 val = btree_get_prev128(head, &k1, &k2))
110
111