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