xref: /linux/arch/mips/sgi-ip27/ip27-klconfig.c (revision 8dd06ef34b6e2f41b29fbf5fc1663780f2524285)
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 
find_component(lboard_t * brd,klinfo_t * kli,unsigned char struct_type)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 
find_first_component(lboard_t * brd,unsigned char struct_type)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 
find_lboard(lboard_t * start,unsigned char brd_type)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 
find_lboard_class(lboard_t * start,unsigned char brd_type)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