1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (C) 1999, 2000 Ralf Baechle (ralf@gnu.org)
4 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
5 */
6 #include <linux/kernel.h>
7 #include <linux/sched.h>
8 #include <linux/interrupt.h>
9 #include <linux/kernel_stat.h>
10 #include <linux/param.h>
11 #include <linux/timex.h>
12 #include <linux/mm.h>
13
14 #include <asm/sn/klconfig.h>
15 #include <asm/sn/arch.h>
16 #include <asm/sn/gda.h>
17
18 klinfo_t *find_component(lboard_t *brd, klinfo_t *kli, unsigned char struct_type)
19 {
20 int index, j;
21
22 if (kli == (klinfo_t *)NULL) {
23 index = 0;
24 } else {
25 for (j = 0; j < KLCF_NUM_COMPS(brd); j++)
26 if (kli == KLCF_COMP(brd, j))
27 break;
28 index = j;
29 if (index == KLCF_NUM_COMPS(brd)) {
30 printk("find_component: Bad pointer: 0x%p\n", kli);
31 return (klinfo_t *)NULL;
32 }
33 index++; /* next component */
34 }
35
36 for (; index < KLCF_NUM_COMPS(brd); index++) {
37 kli = KLCF_COMP(brd, index);
38 if (KLCF_COMP_TYPE(kli) == struct_type)
39 return kli;
40 }
41
42 /* Didn't find it. */
43 return (klinfo_t *)NULL;
44 }
45
46 klinfo_t *find_first_component(lboard_t *brd, unsigned char struct_type)
47 {
48 return find_component(brd, (klinfo_t *)NULL, struct_type);
49 }
50
51 lboard_t *find_lboard(lboard_t *start, unsigned char brd_type)
52 {
53 /* Search all boards stored on this node. */
54 while (start) {
55 if (start->brd_type == brd_type)
56 return start;
57 start = KLCF_NEXT(start);
58 }
59 /* Didn't find it. */
60 return (lboard_t *)NULL;
61 }
62
63 lboard_t *find_lboard_class(lboard_t *start, unsigned char brd_type)
64 {
65 /* Search all boards stored on this node. */
66 while (start) {
67 if (KLCLASS(start->brd_type) == KLCLASS(brd_type))
68 return start;
69 start = KLCF_NEXT(start);
70 }
71
72 /* Didn't find it. */
73 return (lboard_t *)NULL;
74 }
75
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