xref: /illumos-gate/usr/src/lib/libprtdiag/common/pdevinfo_sun4u.c (revision 20a7641f9918de8574b8b3b47dbe35c4bfc78df1)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1999-2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <fcntl.h>
31 #include <dirent.h>
32 #include <varargs.h>
33 #include <errno.h>
34 #include <unistd.h>
35 #include <sys/systeminfo.h>
36 #include <sys/utsname.h>
37 #include <sys/openpromio.h>
38 #include <kstat.h>
39 #include <libintl.h>
40 #include "pdevinfo.h"
41 #include "pdevinfo_sun4u.h"
42 #include "display.h"
43 #include "display_sun4u.h"
44 #include "libprtdiag.h"
45 
46 #if !defined(TEXT_DOMAIN)
47 #define	TEXT_DOMAIN	"SYS_TEST"
48 #endif
49 
50 /*
51  * Global variables
52  */
53 char	*progname;
54 char	*promdev = "/dev/openprom";
55 int	print_flag = 1;
56 int	logging = 0;
57 
58 /*
59  * This file represents the splitting out of some functionality
60  * of prtdiag due to the port to the sun4u platform. The PROM
61  * tree-walking functions which contain sun4u specifics were moved
62  * into this module.
63  */
64 
65 extern int get_id(Prom_node *);
66 
67 /* Function prototypes */
68 Prom_node	*walk(Sys_tree *, Prom_node *, int);
69 
70 /*
71  * do_prominfo() is called from main() in usr/src/cmd/prtdiag/main.c
72  *
73  * This is the starting point for all platforms. However, this function
74  * can be overlayed by writing a do_prominfo() function
75  * in the libprtdiag_psr for a particular platform.
76  *
77  */
78 int
79 do_prominfo(int syserrlog, char *pgname, int log_flag, int prt_flag)
80 {
81 	Sys_tree sys_tree;		/* system information */
82 	Prom_node *root_node;		/* root node of OBP device tree */
83 	struct system_kstat_data sys_kstat; /* kstats for non-OBP data */
84 
85 
86 	/* set the global flags */
87 	progname = pgname;
88 	logging = log_flag;
89 	print_flag = prt_flag;
90 
91 	/* set the the system tree fields */
92 	sys_tree.sys_mem = NULL;
93 	sys_tree.boards = NULL;
94 	sys_tree.bd_list = NULL;
95 	sys_tree.board_cnt = 0;
96 
97 	if (promopen(O_RDONLY))  {
98 		exit(_error(dgettext(TEXT_DOMAIN, "openeepr device "
99 			"open failed")));
100 	}
101 
102 	if (is_openprom() == 0)  {
103 		(void) fprintf(stderr, "%s",
104 			dgettext(TEXT_DOMAIN, "System architecture "
105 			    "does not support this option of this "
106 			    "command.\n"));
107 		return (2);
108 	}
109 
110 	if (next(0) == 0) {
111 		return (2);
112 	}
113 
114 	root_node = walk(&sys_tree, NULL, next(0));
115 	promclose();
116 
117 	/* resolve the board types now */
118 	resolve_board_types(&sys_tree);
119 
120 	read_sun4u_kstats(&sys_tree, &sys_kstat);
121 
122 	return (display(&sys_tree, root_node, &sys_kstat, syserrlog));
123 
124 }
125 
126 int
127 get_id(Prom_node *node)
128 {
129 	int *value;
130 
131 	/*
132 	 * check for upa-portid on UI and UII systems
133 	 */
134 	if ((value = (int *)get_prop_val(find_prop(node, "upa-portid")))
135 	    == NULL) {
136 		/*
137 		 * check for portid on UIII systems
138 		 */
139 		if ((value = (int *)get_prop_val(find_prop(node, "portid")))
140 		    == NULL) {
141 			return (-1);
142 		}
143 	}
144 	return (*value);
145 }
146 
147 
148 
149 /*
150  * Walk the PROM device tree and build the system tree and root tree.
151  * Nodes that have a board number property are placed in the board
152  * structures for easier processing later. Child nodes are placed
153  * under their parents. ffb (Fusion Frame Buffer) nodes are handled
154  * specially, because they do not contain board number properties.
155  * This was requested from OBP, but was not granted. So this code
156  * must parse the MID of the FFB to find the board#.
157  *
158  */
159 Prom_node *
160 walk(Sys_tree *tree, Prom_node *root, int id)
161 {
162 	register int curnode;
163 	Prom_node *pnode;
164 	char *name;
165 	char *type;
166 	char *model;
167 	int board_node = 0;
168 
169 	/* allocate a node for this level */
170 	if ((pnode = (Prom_node *) malloc(sizeof (struct prom_node))) ==
171 	    NULL) {
172 		perror("malloc");
173 		exit(2);	/* program errors cause exit 2 */
174 	}
175 
176 	/* assign parent Prom_node */
177 	pnode->parent = root;
178 	pnode->sibling = NULL;
179 	pnode->child = NULL;
180 
181 	/* read properties for this node */
182 	dump_node(pnode);
183 
184 	/*
185 	 * Place a node in a 'board' if it has 'board'-ness. The definition
186 	 * is that all nodes that are children of root should have a
187 	 * board# property. But the PROM tree does not exactly follow
188 	 * this. This is where we start hacking. The name 'ffb' can
189 	 * change, so watch out for this.
190 	 *
191 	 * The UltraSPARC, sbus, pci and ffb nodes will exit in
192 	 * the desktops and will not have board# properties. These
193 	 * cases must be handled here.
194 	 *
195 	 * PCI to PCI bridges also have the name "pci", but with different
196 	 * model property values.  They should not be put under 'board'.
197 	 */
198 	name = get_node_name(pnode);
199 	type = get_node_type(pnode);
200 	model = (char *)get_prop_val(find_prop(pnode, "model"));
201 #ifdef DEBUG
202 	if (name != NULL)
203 		printf("name=%s ", name);
204 	if (type != NULL)
205 		printf("type=%s ", type);
206 	if (model != NULL)
207 		printf("model=%s", model);
208 	printf("\n");
209 #endif
210 	if (model == NULL)
211 		model = "";
212 	if (type == NULL)
213 		type = "";
214 	if (name != NULL) {
215 		if (has_board_num(pnode)) {
216 			add_node(tree, pnode);
217 			board_node = 1;
218 #ifdef DEBUG
219 			printf("ADDED BOARD name=%s type=%s model=%s\n",
220 				name, type, model);
221 #endif
222 		} else if ((strcmp(name, FFB_NAME)  == 0)	||
223 		    (strcmp(name, AFB_NAME) == 0)		||
224 		    (strcmp(type, "cpu") == 0)			||
225 
226 		    ((strcmp(type, "memory-controller") == 0) &&
227 			(strcmp(name, "ac") != 0))			||
228 
229 		    ((strcmp(name, "pci") == 0) &&
230 			(strcmp(model, "SUNW,psycho") == 0))		||
231 
232 		    ((strcmp(name, "pci") == 0) &&
233 			(strcmp(model, "SUNW,sabre") == 0))		||
234 
235 		    ((strcmp(name, "pci") == 0) &&
236 			(strcmp(model, "SUNW,schizo") == 0))		||
237 
238 		    ((strcmp(name, "pci") == 0) &&
239 			(strcmp(model, "SUNW,xmits") == 0))		||
240 
241 		    (strcmp(name, "counter-timer") == 0)		||
242 		    (strcmp(name, "sbus") == 0)) {
243 			add_node(tree, pnode);
244 			board_node = 1;
245 #ifdef DEBUG
246 			printf("ADDED BOARD name=%s type=%s model=%s\n",
247 				name, type, model);
248 #endif
249 		}
250 #ifdef DEBUG
251 		else
252 			printf("node not added: name=%s type=%s\n", name, type);
253 #endif
254 	}
255 
256 	if (curnode = child(id)) {
257 		pnode->child = walk(tree, pnode, curnode);
258 	}
259 
260 	if (curnode = next(id)) {
261 		if (board_node) {
262 			return (walk(tree, root, curnode));
263 		} else {
264 			pnode->sibling = walk(tree, root, curnode);
265 		}
266 	}
267 
268 	if (board_node) {
269 		return (NULL);
270 	} else {
271 		return (pnode);
272 	}
273 }
274