1 /*
2 *
3 * (C) COPYRIGHT 2014, 2017 ARM Limited. All rights reserved.
4 *
5 * This program is free software and is provided to you under the terms of the
6 * GNU General Public License version 2 as published by the Free Software
7 * Foundation, and any use by you of this program is subject to the terms
8 * of such GNU licence.
9 *
10 * A copy of the licence is included with the program, and can also be obtained
11 * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
12 * Boston, MA 02110-1301, USA.
13 *
14 */
15
16
17
18 /* Kernel UTF result management functions */
19
20 #include <linux/list.h>
21 #include <linux/slab.h>
22 #include <linux/printk.h>
23
24 #include <kutf/kutf_resultset.h>
25
26 /**
27 * struct kutf_result_set - Represents a set of results.
28 * @results: Pointer to the linked list where the results are stored.
29 */
30 struct kutf_result_set {
31 struct list_head results;
32 };
33
kutf_create_result_set(void)34 struct kutf_result_set *kutf_create_result_set(void)
35 {
36 struct kutf_result_set *set;
37
38 set = kmalloc(sizeof(*set), GFP_KERNEL);
39 if (!set) {
40 pr_err("Failed to allocate resultset");
41 goto fail_alloc;
42 }
43
44 INIT_LIST_HEAD(&set->results);
45
46 return set;
47
48 fail_alloc:
49 return NULL;
50 }
51
kutf_add_result(struct kutf_mempool * mempool,struct kutf_result_set * set,enum kutf_result_status status,const char * message)52 void kutf_add_result(struct kutf_mempool *mempool,
53 struct kutf_result_set *set,
54 enum kutf_result_status status,
55 const char *message)
56 {
57 /* Create the new result */
58 struct kutf_result *new_result;
59
60 BUG_ON(set == NULL);
61
62 new_result = kutf_mempool_alloc(mempool, sizeof(*new_result));
63 if (!new_result) {
64 pr_err("Result allocation failed\n");
65 return;
66 }
67
68 INIT_LIST_HEAD(&new_result->node);
69 new_result->status = status;
70 new_result->message = message;
71
72 list_add_tail(&new_result->node, &set->results);
73 }
74
kutf_destroy_result_set(struct kutf_result_set * set)75 void kutf_destroy_result_set(struct kutf_result_set *set)
76 {
77 if (!list_empty(&set->results))
78 pr_err("kutf_destroy_result_set: Unread results from test\n");
79
80 kfree(set);
81 }
82
kutf_remove_result(struct kutf_result_set * set)83 struct kutf_result *kutf_remove_result(struct kutf_result_set *set)
84 {
85 if (!list_empty(&set->results)) {
86 struct kutf_result *ret;
87
88 ret = list_first_entry(&set->results, struct kutf_result, node);
89 list_del(&ret->node);
90 return ret;
91 }
92
93 return NULL;
94 }
95
96