arch/mips/sgi-ip27/ip27-klconfig.c

   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 }