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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * PICL plug-in that creates device tree nodes for all platforms
28 */
29
30 #include <stdio.h>
31 #include <string.h>
32 #include <ctype.h>
33 #include <limits.h>
34 #include <stdlib.h>
35 #include <assert.h>
36 #include <alloca.h>
37 #include <unistd.h>
38 #include <stropts.h>
39 #include <syslog.h>
40 #include <libdevinfo.h>
41 #include <sys/dkio.h>
42 #include <sys/vtoc.h>
43 #include <sys/time.h>
44 #include <fcntl.h>
45 #include <picl.h>
46 #include <picltree.h>
47 #include <sys/types.h>
48 #include <sys/processor.h>
49 #include <kstat.h>
50 #include <sys/sysinfo.h>
51 #include <dirent.h>
52 #include <libintl.h>
53 #include <pthread.h>
54 #include <libnvpair.h>
55 #include <sys/utsname.h>
56 #include <sys/systeminfo.h>
57 #include <sys/obpdefs.h>
58 #include <sys/openpromio.h>
59 #include "picldevtree.h"
60
61 /*
62 * Plugin registration entry points
63 */
64 static void picldevtree_register(void);
65 static void picldevtree_init(void);
66 static void picldevtree_fini(void);
67
68 static void picldevtree_evhandler(const char *ename, const void *earg,
69 size_t size, void *cookie);
70
71 #pragma init(picldevtree_register)
72
73 /*
74 * Log message texts
75 */
76 #define DEVINFO_PLUGIN_INIT_FAILED gettext("SUNW_picldevtree failed!\n")
77 #define PICL_EVENT_DROPPED \
78 gettext("SUNW_picldevtree '%s' event dropped.\n")
79
80 /*
81 * Macro to get PCI device id (from IEEE 1275 spec)
82 */
83 #define PCI_DEVICE_ID(x) (((x) >> 11) & 0x1f)
84 /*
85 * Local variables
86 */
87 static picld_plugin_reg_t my_reg_info = {
88 PICLD_PLUGIN_VERSION_1,
89 PICLD_PLUGIN_CRITICAL,
90 "SUNW_picldevtree",
91 picldevtree_init,
92 picldevtree_fini
93 };
94
95 /*
96 * Debug enabling environment variable
97 */
98 #define SUNW_PICLDEVTREE_PLUGIN_DEBUG "SUNW_PICLDEVTREE_PLUGIN_DEBUG"
99 static int picldevtree_debug = 0;
100
101 static conf_entries_t *conf_name_class_map = NULL;
102 static builtin_map_t sun4u_map[] = {
103 /* MAX_NAMEVAL_SIZE */
104 { "SUNW,bpp", PICL_CLASS_PARALLEL},
105 { "parallel", PICL_CLASS_PARALLEL},
106 { "floppy", PICL_CLASS_FLOPPY},
107 { "memory", PICL_CLASS_MEMORY},
108 { "ebus", PICL_CLASS_EBUS},
109 { "i2c", PICL_CLASS_I2C},
110 { "usb", PICL_CLASS_USB},
111 { "isa", PICL_CLASS_ISA},
112 { "dma", PICL_CLASS_DMA},
113 { "keyboard", PICL_CLASS_KEYBOARD},
114 { "mouse", PICL_CLASS_MOUSE},
115 { "fan-control", PICL_CLASS_FAN_CONTROL},
116 { "sc", PICL_CLASS_SYSTEM_CONTROLLER},
117 { "dimm", PICL_CLASS_SEEPROM},
118 { "dimm-fru", PICL_CLASS_SEEPROM},
119 { "cpu", PICL_CLASS_SEEPROM},
120 { "cpu-fru", PICL_CLASS_SEEPROM},
121 { "flashprom", PICL_CLASS_FLASHPROM},
122 { "temperature", PICL_CLASS_TEMPERATURE_DEVICE},
123 { "motherboard", PICL_CLASS_SEEPROM},
124 { "motherboard-fru", PICL_CLASS_SEEPROM},
125 { "motherboard-fru-prom", PICL_CLASS_SEEPROM},
126 { "pmu", PICL_CLASS_PMU},
127 { "sound", PICL_CLASS_SOUND},
128 { "firewire", PICL_CLASS_FIREWIRE},
129 { "i2c-at34c02", PICL_CLASS_SEEPROM},
130 { "hardware-monitor", PICL_CLASS_HARDWARE_MONITOR},
131 { "", ""}
132 };
133 static builtin_map_t i86pc_map[] = {
134 /* MAX_NAMEVAL_SIZE */
135 { "cpus", PICL_CLASS_I86CPUS},
136 { "cpu", PICL_CLASS_CPU},
137 { "memory", PICL_CLASS_MEMORY},
138 { "asy", PICL_CLASS_SERIAL},
139 { "", ""}
140 };
141 static pname_type_map_t pname_type_map[] = {
142 { "reg", PICL_PTYPE_BYTEARRAY},
143 { "device_type", PICL_PTYPE_CHARSTRING},
144 { "ranges", PICL_PTYPE_BYTEARRAY},
145 { "status", PICL_PTYPE_CHARSTRING},
146 { "compatible", PICL_PTYPE_CHARSTRING},
147 { "interrupts", PICL_PTYPE_BYTEARRAY},
148 { "model", PICL_PTYPE_CHARSTRING},
149 { "address", PICL_PTYPE_BYTEARRAY},
150 { "vendor-id", PICL_PTYPE_UNSIGNED_INT},
151 { "device-id", PICL_PTYPE_UNSIGNED_INT},
152 { "revision-id", PICL_PTYPE_UNSIGNED_INT},
153 { "class-code", PICL_PTYPE_UNSIGNED_INT},
154 { "min-grant", PICL_PTYPE_UNSIGNED_INT},
155 { "max-latency", PICL_PTYPE_UNSIGNED_INT},
156 { "devsel-speed", PICL_PTYPE_UNSIGNED_INT},
157 { "subsystem-id", PICL_PTYPE_UNSIGNED_INT},
158 { "subsystem-vendor-id", PICL_PTYPE_UNSIGNED_INT},
159 { "assigned-addresses", PICL_PTYPE_BYTEARRAY},
160 { "configuration#", PICL_PTYPE_UNSIGNED_INT},
161 { "assigned-address", PICL_PTYPE_UNSIGNED_INT},
162 { "#address-cells", PICL_PTYPE_UNSIGNED_INT},
163 { "#size-cells", PICL_PTYPE_UNSIGNED_INT},
164 { "clock-frequency", PICL_PTYPE_UNSIGNED_INT},
165 { "scsi-initiator-id", PICL_PTYPE_UNSIGNED_INT},
166 { "differential", PICL_PTYPE_UNSIGNED_INT},
167 { "idprom", PICL_PTYPE_BYTEARRAY},
168 { "bus-range", PICL_PTYPE_BYTEARRAY},
169 { "alternate-reg", PICL_PTYPE_BYTEARRAY},
170 { "power-consumption", PICL_PTYPE_BYTEARRAY},
171 { "slot-names", PICL_PTYPE_BYTEARRAY},
172 { "burst-sizes", PICL_PTYPE_UNSIGNED_INT},
173 { "up-burst-sizes", PICL_PTYPE_UNSIGNED_INT},
174 { "slot-address-bits", PICL_PTYPE_UNSIGNED_INT},
175 { "eisa-slots", PICL_PTYPE_BYTEARRAY},
176 { "dma", PICL_PTYPE_BYTEARRAY},
177 { "slot-names-index", PICL_PTYPE_UNSIGNED_INT},
178 { "pnp-csn", PICL_PTYPE_UNSIGNED_INT},
179 { "pnp-data", PICL_PTYPE_BYTEARRAY},
180 { "description", PICL_PTYPE_CHARSTRING},
181 { "pnp-id", PICL_PTYPE_CHARSTRING},
182 { "max-frame-size", PICL_PTYPE_UNSIGNED_INT},
183 { "address-bits", PICL_PTYPE_UNSIGNED_INT},
184 { "local-mac-address", PICL_PTYPE_BYTEARRAY},
185 { "mac-address", PICL_PTYPE_BYTEARRAY},
186 { "character-set", PICL_PTYPE_CHARSTRING},
187 { "available", PICL_PTYPE_BYTEARRAY},
188 { "port-wwn", PICL_PTYPE_BYTEARRAY},
189 { "node-wwn", PICL_PTYPE_BYTEARRAY},
190 { "width", PICL_PTYPE_UNSIGNED_INT},
191 { "linebytes", PICL_PTYPE_UNSIGNED_INT},
192 { "height", PICL_PTYPE_UNSIGNED_INT},
193 { "banner-name", PICL_PTYPE_CHARSTRING},
194 { "reset-reason", PICL_PTYPE_CHARSTRING},
195 { "implementation#", PICL_PTYPE_UNSIGNED_INT},
196 { "version#", PICL_PTYPE_UNSIGNED_INT},
197 { "icache-size", PICL_PTYPE_UNSIGNED_INT},
198 { "icache-line-size", PICL_PTYPE_UNSIGNED_INT},
199 { "icache-associativity", PICL_PTYPE_UNSIGNED_INT},
200 { "l1-icache-size", PICL_PTYPE_UNSIGNED_INT},
201 { "l1-icache-line-size", PICL_PTYPE_UNSIGNED_INT},
202 { "l1-icache-associativity", PICL_PTYPE_UNSIGNED_INT},
203 { "#itlb-entries", PICL_PTYPE_UNSIGNED_INT},
204 { "dcache-size", PICL_PTYPE_UNSIGNED_INT},
205 { "dcache-line-size", PICL_PTYPE_UNSIGNED_INT},
206 { "dcache-associativity", PICL_PTYPE_UNSIGNED_INT},
207 { "l1-dcache-size", PICL_PTYPE_UNSIGNED_INT},
208 { "l1-dcache-line-size", PICL_PTYPE_UNSIGNED_INT},
209 { "l1-dcache-associativity", PICL_PTYPE_UNSIGNED_INT},
210 { "#dtlb-entries", PICL_PTYPE_UNSIGNED_INT},
211 { "ecache-size", PICL_PTYPE_UNSIGNED_INT},
212 { "ecache-line-size", PICL_PTYPE_UNSIGNED_INT},
213 { "ecache-associativity", PICL_PTYPE_UNSIGNED_INT},
214 { "l2-cache-size", PICL_PTYPE_UNSIGNED_INT},
215 { "l2-cache-line-size", PICL_PTYPE_UNSIGNED_INT},
216 { "l2-cache-associativity", PICL_PTYPE_UNSIGNED_INT},
217 { "l2-cache-sharing", PICL_PTYPE_BYTEARRAY},
218 { "mask#", PICL_PTYPE_UNSIGNED_INT},
219 { "manufacturer#", PICL_PTYPE_UNSIGNED_INT},
220 { "sparc-version", PICL_PTYPE_UNSIGNED_INT},
221 { "version", PICL_PTYPE_CHARSTRING},
222 { "cpu-model", PICL_PTYPE_UNSIGNED_INT},
223 { "memory-layout", PICL_PTYPE_BYTEARRAY},
224 { "#interrupt-cells", PICL_PTYPE_UNSIGNED_INT},
225 { "interrupt-map", PICL_PTYPE_BYTEARRAY},
226 { "interrupt-map-mask", PICL_PTYPE_BYTEARRAY}
227 };
228
229 #define PNAME_MAP_SIZE sizeof (pname_type_map) / sizeof (pname_type_map_t)
230
231 static builtin_map_t *builtin_map_ptr = NULL;
232 static int builtin_map_size = 0;
233 static char mach_name[SYS_NMLN];
234 static di_prom_handle_t ph = DI_PROM_HANDLE_NIL;
235 static int snapshot_stale;
236
237 /*
238 * UnitAddress mapping table
239 */
240 static unitaddr_func_t encode_default_unitaddr;
241 static unitaddr_func_t encode_optional_unitaddr;
242 static unitaddr_func_t encode_scsi_unitaddr;
243 static unitaddr_func_t encode_upa_unitaddr;
244 static unitaddr_func_t encode_gptwo_jbus_unitaddr;
245 static unitaddr_func_t encode_pci_unitaddr;
246
247 static unitaddr_map_t unitaddr_map_table[] = {
248 {PICL_CLASS_JBUS, encode_gptwo_jbus_unitaddr, 0},
249 {PICL_CLASS_GPTWO, encode_gptwo_jbus_unitaddr, 0},
250 {PICL_CLASS_PCI, encode_pci_unitaddr, 0},
251 {PICL_CLASS_PCIEX, encode_pci_unitaddr, 0},
252 {PICL_CLASS_UPA, encode_upa_unitaddr, 0},
253 {PICL_CLASS_SCSI, encode_scsi_unitaddr, 0},
254 {PICL_CLASS_SCSI2, encode_scsi_unitaddr, 0},
255 {PICL_CLASS_EBUS, encode_default_unitaddr, 2},
256 {PICL_CLASS_SBUS, encode_default_unitaddr, 2},
257 {PICL_CLASS_I2C, encode_default_unitaddr, 2},
258 {PICL_CLASS_USB, encode_default_unitaddr, 1},
259 {PICL_CLASS_PMU, encode_optional_unitaddr, 2},
260 {NULL, encode_default_unitaddr, 0}
261 };
262
263 static int add_unitaddr_prop_to_subtree(picl_nodehdl_t nodeh);
264 static int get_unitaddr(picl_nodehdl_t parh, picl_nodehdl_t nodeh,
265 char *unitaddr, size_t ualen);
266 static void set_pci_pciex_deviceid(picl_nodehdl_t plafh);
267
268 /*
269 * The mc event completion handler.
270 * The arguments are event name buffer and a packed nvlist buffer
271 * with the size specifying the size of unpacked nvlist. These
272 * buffers are deallcoated here.
273 *
274 * Also, if a memory controller node is being removed then destroy the
275 * PICL subtree associated with that memory controller.
276 */
277 static void
mc_completion_handler(char * ename,void * earg,size_t size)278 mc_completion_handler(char *ename, void *earg, size_t size)
279 {
280 picl_nodehdl_t mch;
281 nvlist_t *unpack_nvl;
282
283 if (strcmp(ename, PICLEVENT_MC_REMOVED) == 0 &&
284 nvlist_unpack(earg, size, &unpack_nvl, NULL) == 0) {
285 mch = NULL;
286 (void) nvlist_lookup_uint64(unpack_nvl,
287 PICLEVENTARG_NODEHANDLE, &mch);
288 if (mch != NULL) {
289 if (picldevtree_debug)
290 syslog(LOG_INFO,
291 "picldevtree: destroying_node:%llx\n",
292 mch);
293 (void) ptree_destroy_node(mch);
294 }
295 nvlist_free(unpack_nvl);
296 }
297
298 free(ename);
299 free(earg);
300 }
301
302 /*
303 * Functions to post memory controller change event
304 */
305 static int
post_mc_event(char * ename,picl_nodehdl_t mch)306 post_mc_event(char *ename, picl_nodehdl_t mch)
307 {
308 nvlist_t *nvl;
309 size_t nvl_size;
310 char *pack_buf;
311 char *ev_name;
312
313 ev_name = strdup(ename);
314 if (ev_name == NULL)
315 return (-1);
316
317 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME_TYPE, NULL)) {
318 free(ev_name);
319 return (-1);
320 }
321
322 pack_buf = NULL;
323 if (nvlist_add_uint64(nvl, PICLEVENTARG_NODEHANDLE, mch) ||
324 nvlist_pack(nvl, &pack_buf, &nvl_size, NV_ENCODE_NATIVE, NULL)) {
325 free(ev_name);
326 nvlist_free(nvl);
327 return (-1);
328 }
329
330 if (picldevtree_debug)
331 syslog(LOG_INFO,
332 "picldevtree: posting MC event ename:%s nodeh:%llx\n",
333 ev_name, mch);
334 if (ptree_post_event(ev_name, pack_buf, nvl_size,
335 mc_completion_handler) != PICL_SUCCESS) {
336 free(ev_name);
337 nvlist_free(nvl);
338 return (-1);
339 }
340 nvlist_free(nvl);
341 return (0);
342 }
343
344 /*
345 * Lookup a name in the name to class map tables
346 */
347 static int
lookup_name_class_map(char * classbuf,const char * nm)348 lookup_name_class_map(char *classbuf, const char *nm)
349 {
350 conf_entries_t *ptr;
351 int i;
352
353 /*
354 * check name to class mapping in conf file
355 */
356 ptr = conf_name_class_map;
357
358 while (ptr != NULL) {
359 if (strcmp(ptr->name, nm) == 0) {
360 (void) strlcpy(classbuf, ptr->piclclass,
361 PICL_CLASSNAMELEN_MAX);
362 return (0);
363 }
364 ptr = ptr->next;
365 }
366
367 /*
368 * check name to class mapping in builtin table
369 */
370 if (builtin_map_ptr == NULL)
371 return (-1);
372
373 for (i = 0; i < builtin_map_size; ++i)
374 if (strcmp(builtin_map_ptr[i].name, nm) == 0) {
375 (void) strlcpy(classbuf, builtin_map_ptr[i].piclclass,
376 PICL_CLASSNAMELEN_MAX);
377 return (0);
378 }
379 return (-1);
380 }
381
382 /*
383 * Lookup a prop name in the pname to class map table
384 */
385 static int
lookup_pname_type_map(const char * pname,picl_prop_type_t * type)386 lookup_pname_type_map(const char *pname, picl_prop_type_t *type)
387 {
388 int i;
389
390 for (i = 0; i < PNAME_MAP_SIZE; ++i)
391 if (strcmp(pname_type_map[i].pname, pname) == 0) {
392 *type = pname_type_map[i].type;
393 return (0);
394 }
395
396 return (-1);
397 }
398
399 /*
400 * Return the number of strings in the buffer
401 */
402 static int
get_string_count(char * strdat,int length)403 get_string_count(char *strdat, int length)
404 {
405 int count;
406 char *lastnull;
407 char *nullptr;
408
409 count = 1;
410 for (lastnull = &strdat[length - 1], nullptr = strchr(strdat, '\0');
411 nullptr != lastnull; nullptr = strchr(nullptr+1, '\0'))
412 count++;
413
414 return (count);
415 }
416
417 /*
418 * Return 1 if the node has a "reg" property
419 */
420 static int
has_reg_prop(di_node_t dn)421 has_reg_prop(di_node_t dn)
422 {
423 int *pdata;
424 int dret;
425
426 dret = di_prop_lookup_ints(DDI_DEV_T_ANY, dn, OBP_REG, &pdata);
427 if (dret > 0)
428 return (1);
429
430 if (!ph)
431 return (0);
432 dret = di_prom_prop_lookup_ints(ph, dn, OBP_REG, &pdata);
433 return (dret < 0 ? 0 : 1);
434 }
435
436 /*
437 * This function copies a PROM node's device_type property value into the
438 * buffer given by outbuf. The buffer size is PICL_CLASSNAMELEN_MAX.
439 *
440 * We reclassify device_type 'fru-prom' to PICL class 'seeprom'
441 * for FRUID support.
442 */
443 static int
get_device_type(char * outbuf,di_node_t dn)444 get_device_type(char *outbuf, di_node_t dn)
445 {
446 char *pdata;
447 char *pdatap;
448 int dret;
449 int i;
450
451 dret = di_prop_lookup_strings(DDI_DEV_T_ANY, dn, OBP_DEVICETYPE,
452 &pdata);
453 if (dret <= 0) {
454 if (!ph)
455 return (-1);
456
457 dret = di_prom_prop_lookup_strings(ph, dn, OBP_DEVICETYPE,
458 &pdata);
459 if (dret <= 0) {
460 return (-1);
461 }
462 }
463
464 if (dret != 1) {
465 /*
466 * multiple strings
467 */
468 pdatap = pdata;
469 for (i = 0; i < (dret - 1); ++i) {
470 pdatap += strlen(pdatap);
471 *pdatap = '-'; /* replace '\0' with '-' */
472 pdatap++;
473 }
474 }
475 if (strcasecmp(pdata, "fru-prom") == 0) {
476 /*
477 * Use PICL 'seeprom' class for fru-prom device types
478 */
479 (void) strlcpy(outbuf, PICL_CLASS_SEEPROM,
480 PICL_CLASSNAMELEN_MAX);
481 } else {
482 (void) strlcpy(outbuf, pdata, PICL_CLASSNAMELEN_MAX);
483 }
484 return (0);
485 }
486
487 /*
488 * Get the minor node name in the class buffer passed
489 */
490 static int
get_minor_class(char * classbuf,di_node_t dn)491 get_minor_class(char *classbuf, di_node_t dn)
492 {
493 di_minor_t mi_node;
494 char *mi_nodetype;
495 char *mi_name;
496
497 /* get minor node type */
498 mi_node = di_minor_next(dn, DI_MINOR_NIL);
499 if (mi_node == DI_MINOR_NIL)
500 return (-1);
501
502 mi_nodetype = di_minor_nodetype(mi_node);
503 if (mi_nodetype == NULL) { /* no type info, return name */
504 mi_name = di_minor_name(mi_node);
505 if (mi_name == NULL)
506 return (-1);
507 (void) strlcpy(classbuf, mi_name, PICL_CLASSNAMELEN_MAX);
508 return (0);
509 }
510
511 #define DDI_NODETYPE(x, y) (strncmp(x, y, (sizeof (y) - 1)) == 0)
512
513 /*
514 * convert the string to the picl class for non-peudo nodes
515 */
516 if (DDI_NODETYPE(mi_nodetype, DDI_PSEUDO))
517 return (-1);
518 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_WWN))
519 (void) strcpy(classbuf, PICL_CLASS_BLOCK);
520 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_CHAN))
521 (void) strcpy(classbuf, PICL_CLASS_BLOCK);
522 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_CD))
523 (void) strcpy(classbuf, PICL_CLASS_CDROM);
524 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_CD_CHAN))
525 (void) strcpy(classbuf, PICL_CLASS_CDROM);
526 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_FD))
527 (void) strcpy(classbuf, PICL_CLASS_FLOPPY);
528 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_FABRIC))
529 (void) strcpy(classbuf, PICL_CLASS_FABRIC);
530 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_SAS))
531 (void) strcpy(classbuf, PICL_CLASS_SAS);
532 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK))
533 (void) strcpy(classbuf, PICL_CLASS_BLOCK);
534 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_MOUSE))
535 (void) strcpy(classbuf, PICL_CLASS_MOUSE);
536 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_KEYBOARD))
537 (void) strcpy(classbuf, PICL_CLASS_KEYBOARD);
538 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_ATTACHMENT_POINT))
539 (void) strcpy(classbuf, PICL_CLASS_ATTACHMENT_POINT);
540 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_TAPE))
541 (void) strcpy(classbuf, PICL_CLASS_TAPE);
542 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_SCSI_ENCLOSURE))
543 (void) strcpy(classbuf, PICL_CLASS_SCSI);
544 else if (DDI_NODETYPE(mi_nodetype, DDI_NT_ENCLOSURE)) {
545 char *colon;
546
547 if ((colon = strchr(mi_nodetype, ':')) == NULL)
548 return (-1);
549 ++colon;
550 (void) strcpy(classbuf, colon);
551 } else { /* unrecognized type, return name */
552 mi_name = di_minor_name(mi_node);
553 if (mi_name == NULL)
554 return (-1);
555 (void) strlcpy(classbuf, mi_name, PICL_CLASSNAMELEN_MAX);
556 }
557 return (0);
558 }
559
560 /*
561 * Derive PICL class using the compatible property of the node
562 * We use the map table to map compatible property value to
563 * class.
564 */
565 static int
get_compatible_class(char * outbuf,di_node_t dn)566 get_compatible_class(char *outbuf, di_node_t dn)
567 {
568 char *pdata;
569 char *pdatap;
570 int dret;
571 int i;
572
573 dret = di_prop_lookup_strings(DDI_DEV_T_ANY, dn, OBP_COMPATIBLE,
574 &pdata);
575 if (dret <= 0) {
576 if (!ph)
577 return (-1);
578
579 dret = di_prom_prop_lookup_strings(ph, dn, OBP_COMPATIBLE,
580 &pdata);
581 if (dret <= 0) {
582 return (-1);
583 }
584 }
585
586 pdatap = pdata;
587 for (i = 0; i < dret; ++i) {
588 if (lookup_name_class_map(outbuf, pdatap) == 0)
589 return (0);
590 pdatap += strlen(pdatap);
591 pdatap++;
592 }
593 return (-1);
594 }
595
596 /*
597 * For a given device node find the PICL class to use. Returns NULL
598 * for non device node
599 */
600 static int
get_node_class(char * classbuf,di_node_t dn,const char * nodename)601 get_node_class(char *classbuf, di_node_t dn, const char *nodename)
602 {
603 if (get_device_type(classbuf, dn) == 0) {
604 if (di_nodeid(dn) == DI_PROM_NODEID) {
605 /*
606 * discard place holder nodes
607 */
608 if ((strcmp(classbuf, DEVICE_TYPE_BLOCK) == 0) ||
609 (strcmp(classbuf, DEVICE_TYPE_BYTE) == 0) ||
610 (strcmp(classbuf, DEVICE_TYPE_SES) == 0) ||
611 (strcmp(classbuf, DEVICE_TYPE_FP) == 0) ||
612 (strcmp(classbuf, DEVICE_TYPE_DISK) == 0))
613 return (-1);
614
615 return (0);
616 }
617 return (0); /* return device_type value */
618 }
619
620 if (get_compatible_class(classbuf, dn) == 0) {
621 return (0); /* derive class using compatible prop */
622 }
623
624 if (lookup_name_class_map(classbuf, nodename) == 0)
625 return (0); /* derive class using name prop */
626
627 if (has_reg_prop(dn)) { /* use default obp-device */
628 (void) strcpy(classbuf, PICL_CLASS_OBP_DEVICE);
629 return (0);
630 }
631
632 return (get_minor_class(classbuf, dn));
633 }
634
635 /*
636 * Add a table property containing nrows with one column
637 */
638 static int
add_string_list_prop(picl_nodehdl_t nodeh,char * name,char * strlist,unsigned int nrows)639 add_string_list_prop(picl_nodehdl_t nodeh, char *name, char *strlist,
640 unsigned int nrows)
641 {
642 ptree_propinfo_t propinfo;
643 picl_prophdl_t proph;
644 picl_prophdl_t tblh;
645 int err;
646 unsigned int i;
647 unsigned int j;
648 picl_prophdl_t *proprow;
649 int len;
650
651 #define NCOLS_IN_STRING_TABLE 1
652
653 err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
654 PICL_PTYPE_TABLE, PICL_READ, sizeof (picl_prophdl_t), name,
655 NULL, NULL);
656 if (err != PICL_SUCCESS)
657 return (err);
658
659 err = ptree_create_table(&tblh);
660 if (err != PICL_SUCCESS)
661 return (err);
662
663 err = ptree_create_and_add_prop(nodeh, &propinfo, &tblh, &proph);
664 if (err != PICL_SUCCESS)
665 return (err);
666
667 proprow = alloca(sizeof (picl_prophdl_t) * nrows);
668 if (proprow == NULL) {
669 (void) ptree_destroy_prop(proph);
670 return (PICL_FAILURE);
671 }
672
673 for (j = 0; j < nrows; ++j) {
674 len = strlen(strlist) + 1;
675 err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
676 PICL_PTYPE_CHARSTRING, PICL_READ, len, name,
677 NULL, NULL);
678 if (err != PICL_SUCCESS)
679 break;
680 err = ptree_create_prop(&propinfo, strlist, &proprow[j]);
681 if (err != PICL_SUCCESS)
682 break;
683 strlist += len;
684 err = ptree_add_row_to_table(tblh, NCOLS_IN_STRING_TABLE,
685 &proprow[j]);
686 if (err != PICL_SUCCESS)
687 break;
688 }
689
690 if (err != PICL_SUCCESS) {
691 for (i = 0; i < j; ++i)
692 (void) ptree_destroy_prop(proprow[i]);
693 (void) ptree_delete_prop(proph);
694 (void) ptree_destroy_prop(proph);
695 return (err);
696 }
697
698 return (PICL_SUCCESS);
699 }
700
701 /*
702 * return 1 if this node has this property with the given value
703 */
704 static int
compare_string_propval(picl_nodehdl_t nodeh,const char * pname,const char * pval)705 compare_string_propval(picl_nodehdl_t nodeh, const char *pname,
706 const char *pval)
707 {
708 char *pvalbuf;
709 int err;
710 int len;
711 ptree_propinfo_t pinfo;
712 picl_prophdl_t proph;
713
714 err = ptree_get_prop_by_name(nodeh, pname, &proph);
715 if (err != PICL_SUCCESS) /* prop doesn't exist */
716 return (0);
717
718 err = ptree_get_propinfo(proph, &pinfo);
719 if (pinfo.piclinfo.type != PICL_PTYPE_CHARSTRING)
720 return (0); /* not string prop */
721
722 len = strlen(pval) + 1;
723
724 pvalbuf = alloca(len);
725 if (pvalbuf == NULL)
726 return (0);
727
728 err = ptree_get_propval(proph, pvalbuf, len);
729 if ((err == PICL_SUCCESS) && (strcmp(pvalbuf, pval) == 0))
730 return (1); /* prop match */
731
732 return (0);
733 }
734
735 /*
736 * This function recursively searches the tree for a node that has
737 * the specified string property name and value
738 */
739 static int
find_node_by_string_prop(picl_nodehdl_t rooth,const char * pname,const char * pval,picl_nodehdl_t * nodeh)740 find_node_by_string_prop(picl_nodehdl_t rooth, const char *pname,
741 const char *pval, picl_nodehdl_t *nodeh)
742 {
743 picl_nodehdl_t childh;
744 int err;
745
746 for (err = ptree_get_propval_by_name(rooth, PICL_PROP_CHILD, &childh,
747 sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND;
748 err = ptree_get_propval_by_name(childh, PICL_PROP_PEER, &childh,
749 sizeof (picl_nodehdl_t))) {
750 if (err != PICL_SUCCESS)
751 return (err);
752
753 if (compare_string_propval(childh, pname, pval)) {
754 *nodeh = childh;
755 return (PICL_SUCCESS);
756 }
757
758 if (find_node_by_string_prop(childh, pname, pval, nodeh) ==
759 PICL_SUCCESS)
760 return (PICL_SUCCESS);
761 }
762
763 return (PICL_FAILURE);
764 }
765
766 /*
767 * check if this is a string prop
768 * If the length is less than or equal to 4, assume it's not a string list.
769 * If there is any non-ascii or non-print char, it's not a string prop
770 * If \0 is in the first char or any two consecutive \0's exist,
771 * it's a bytearray prop.
772 * Return value: 0 means it's not a string prop, 1 means it's a string prop
773 */
774 static int
is_string_propval(unsigned char * pdata,int len)775 is_string_propval(unsigned char *pdata, int len)
776 {
777 int i;
778 int lastindex;
779 int prevnull = -1;
780
781 switch (len) {
782 case 1:
783 if (!isascii(pdata[0]) || !isprint(pdata[0]))
784 return (0);
785 return (1);
786 case 2:
787 case 3:
788 case 4:
789 lastindex = len;
790 if (pdata[len-1] == '\0')
791 lastindex = len - 1;
792
793 for (i = 0; i < lastindex; i++)
794 if (!isascii(pdata[i]) || !isprint(pdata[i]))
795 return (0);
796
797 return (1);
798
799 default:
800 if (len <= 0)
801 return (0);
802 for (i = 0; i < len; i++) {
803 if (!isascii(pdata[i]) || !isprint(pdata[i])) {
804 if (pdata[i] != '\0')
805 return (0);
806 /*
807 * if the null char is in the first char
808 * or two consecutive nulls' exist,
809 * it's a bytearray prop
810 */
811 if ((i == 0) || ((i - prevnull) == 1))
812 return (0);
813
814 prevnull = i;
815 }
816 }
817 break;
818 }
819
820 return (1);
821 }
822
823 /*
824 * This function counts the number of strings in the value buffer pdata
825 * and creates a property.
826 * If there is only one string in the buffer, pdata, a charstring property
827 * type is created and added.
828 * If there are more than one string in the buffer, pdata, then a table
829 * of charstrings is added.
830 */
831 static int
process_charstring_data(picl_nodehdl_t nodeh,char * pname,unsigned char * pdata,int retval)832 process_charstring_data(picl_nodehdl_t nodeh, char *pname, unsigned char *pdata,
833 int retval)
834 {
835 int err;
836 int strcount;
837 char *strdat;
838 ptree_propinfo_t propinfo;
839
840 /*
841 * append the null char at the end of string when there is
842 * no null terminator
843 */
844 if (pdata[retval - 1] != '\0') {
845 strdat = alloca(retval + 1);
846 (void) memcpy(strdat, pdata, retval);
847 strdat[retval] = '\0';
848 retval++;
849 } else {
850 strdat = alloca(retval);
851 (void) memcpy(strdat, pdata, retval);
852 }
853
854 /*
855 * If it's a string list, create a table prop
856 */
857 strcount = get_string_count(strdat, retval);
858 if (strcount > 1) {
859 err = add_string_list_prop(nodeh, pname,
860 strdat, strcount);
861 if (err != PICL_SUCCESS)
862 return (err);
863 } else {
864 err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
865 PICL_PTYPE_CHARSTRING, PICL_READ,
866 strlen(strdat) + 1, pname, NULL,
867 NULL);
868 if (err != PICL_SUCCESS)
869 return (err);
870 (void) ptree_create_and_add_prop(nodeh, &propinfo,
871 strdat, NULL);
872 }
873 return (PICL_SUCCESS);
874 }
875
876 /*
877 * Add the OBP properties as properties of the PICL node
878 */
879 static int
add_openprom_props(picl_nodehdl_t nodeh,di_node_t di_node)880 add_openprom_props(picl_nodehdl_t nodeh, di_node_t di_node)
881 {
882 di_prom_prop_t promp;
883 char *pname;
884 unsigned char *pdata;
885 int retval;
886 ptree_propinfo_t propinfo;
887 int err;
888 picl_prop_type_t type;
889
890 if (!ph)
891 return (PICL_FAILURE);
892
893 for (promp = di_prom_prop_next(ph, di_node, DI_PROM_PROP_NIL);
894 promp != DI_PROM_PROP_NIL;
895 promp = di_prom_prop_next(ph, di_node, promp)) {
896
897 pname = di_prom_prop_name(promp);
898
899 retval = di_prom_prop_data(promp, &pdata);
900 if (retval < 0) {
901 return (PICL_SUCCESS);
902 }
903 if (retval == 0) {
904 err = ptree_init_propinfo(&propinfo,
905 PTREE_PROPINFO_VERSION, PICL_PTYPE_VOID,
906 PICL_READ, (size_t)0, pname, NULL, NULL);
907 if (err != PICL_SUCCESS) {
908 return (err);
909 }
910 (void) ptree_create_and_add_prop(nodeh, &propinfo, NULL,
911 NULL);
912 continue;
913 }
914
915 /*
916 * Get the prop type from pname map table
917 */
918 if (lookup_pname_type_map(pname, &type) == 0) {
919 if (type == PICL_PTYPE_CHARSTRING) {
920 err = process_charstring_data(nodeh, pname,
921 pdata, retval);
922 if (err != PICL_SUCCESS) {
923 return (err);
924 }
925 continue;
926 }
927
928 err = ptree_init_propinfo(&propinfo,
929 PTREE_PROPINFO_VERSION, type, PICL_READ,
930 retval, pname, NULL, NULL);
931 if (err != PICL_SUCCESS) {
932 return (err);
933 }
934 (void) ptree_create_and_add_prop(nodeh, &propinfo,
935 pdata, NULL);
936 } else if (!is_string_propval(pdata, retval)) {
937 switch (retval) {
938 case sizeof (uint8_t):
939 /*FALLTHROUGH*/
940 case sizeof (uint16_t):
941 /*FALLTHROUGH*/
942 case sizeof (uint32_t):
943 type = PICL_PTYPE_UNSIGNED_INT;
944 break;
945 default:
946 type = PICL_PTYPE_BYTEARRAY;
947 break;
948 }
949 err = ptree_init_propinfo(&propinfo,
950 PTREE_PROPINFO_VERSION, type, PICL_READ,
951 retval, pname, NULL, NULL);
952 if (err != PICL_SUCCESS) {
953 return (err);
954 }
955 (void) ptree_create_and_add_prop(nodeh, &propinfo,
956 pdata, NULL);
957 } else {
958 err = process_charstring_data(nodeh, pname, pdata,
959 retval);
960 if (err != PICL_SUCCESS) {
961 return (err);
962 }
963 }
964 }
965
966 return (PICL_SUCCESS);
967 }
968
969 static void
add_boolean_prop(picl_nodehdl_t nodeh,ptree_propinfo_t propinfo,char * di_val)970 add_boolean_prop(picl_nodehdl_t nodeh, ptree_propinfo_t propinfo, char *di_val)
971 {
972 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
973 PICL_PTYPE_VOID, PICL_READ, (size_t)0, di_val, NULL, NULL);
974 (void) ptree_create_and_add_prop(nodeh, &propinfo, NULL, NULL);
975 }
976
977 static void
add_uints_prop(picl_nodehdl_t nodeh,ptree_propinfo_t propinfo,char * di_val,int * idata,int len)978 add_uints_prop(picl_nodehdl_t nodeh, ptree_propinfo_t propinfo, char *di_val,
979 int *idata, int len)
980 {
981 if (len == 1)
982 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
983 PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (int), di_val,
984 NULL, NULL);
985 else
986 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
987 PICL_PTYPE_BYTEARRAY, PICL_READ, len * sizeof (int), di_val,
988 NULL, NULL);
989
990 (void) ptree_create_and_add_prop(nodeh, &propinfo, idata, NULL);
991 }
992
993 static void
add_strings_prop(picl_nodehdl_t nodeh,ptree_propinfo_t propinfo,char * di_val,char * sdata,int len)994 add_strings_prop(picl_nodehdl_t nodeh, ptree_propinfo_t propinfo, char *di_val,
995 char *sdata, int len)
996 {
997 if (len == 1) {
998 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
999 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(sdata) + 1, di_val,
1000 NULL, NULL);
1001 (void) ptree_create_and_add_prop(nodeh, &propinfo, sdata, NULL);
1002 } else {
1003 (void) add_string_list_prop(nodeh, di_val, sdata, len);
1004 }
1005 }
1006
1007 static void
add_bytes_prop(picl_nodehdl_t nodeh,ptree_propinfo_t propinfo,char * di_val,unsigned char * bdata,int len)1008 add_bytes_prop(picl_nodehdl_t nodeh, ptree_propinfo_t propinfo, char *di_val,
1009 unsigned char *bdata, int len)
1010 {
1011 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1012 PICL_PTYPE_BYTEARRAY, PICL_READ, len, di_val, NULL, NULL);
1013 (void) ptree_create_and_add_prop(nodeh, &propinfo, bdata, NULL);
1014 }
1015
1016 static const char *
path_state_name(di_path_state_t st)1017 path_state_name(di_path_state_t st)
1018 {
1019 switch (st) {
1020 case DI_PATH_STATE_ONLINE:
1021 return ("online");
1022 case DI_PATH_STATE_STANDBY:
1023 return ("standby");
1024 case DI_PATH_STATE_OFFLINE:
1025 return ("offline");
1026 case DI_PATH_STATE_FAULT:
1027 return ("faulted");
1028 }
1029 return ("unknown");
1030 }
1031
1032 /*
1033 * This function is the volatile property handler for the multipath node
1034 * "State" property. It must locate the associated devinfo node in order to
1035 * determine the current state. Since the devinfo node can have multiple
1036 * paths the devfs_path is used to locate the correct path.
1037 */
1038 static int
get_path_state_name(ptree_rarg_t * rarg,void * vbuf)1039 get_path_state_name(ptree_rarg_t *rarg, void *vbuf)
1040 {
1041 int err;
1042 picl_nodehdl_t parh;
1043 char devfs_path[PATH_MAX];
1044 di_node_t di_node;
1045 di_node_t di_root;
1046 di_path_t pi = DI_PATH_NIL;
1047 picl_nodehdl_t mpnode;
1048
1049 (void) strlcpy(vbuf, "unknown", MAX_STATE_SIZE);
1050
1051 mpnode = rarg->nodeh;
1052
1053 /*
1054 * The parent node represents the vHCI.
1055 */
1056 err = ptree_get_propval_by_name(mpnode, PICL_PROP_PARENT, &parh,
1057 sizeof (picl_nodehdl_t));
1058 if (err != PICL_SUCCESS) {
1059 return (PICL_SUCCESS);
1060 }
1061
1062 /*
1063 * The PICL_PROP_DEVFS_PATH property will be used to locate the
1064 * devinfo node for the vHCI driver.
1065 */
1066 err = ptree_get_propval_by_name(parh, PICL_PROP_DEVFS_PATH, devfs_path,
1067 sizeof (devfs_path));
1068 if (err != PICL_SUCCESS) {
1069 return (PICL_SUCCESS);
1070 }
1071 /*
1072 * Find the di_node for the vHCI driver. It will be used to scan
1073 * the path information nodes.
1074 */
1075 di_root = di_init("/", DINFOCACHE);
1076 if (di_root == DI_NODE_NIL) {
1077 return (PICL_SUCCESS);
1078 }
1079 di_node = di_lookup_node(di_root, devfs_path);
1080 if (di_node == DI_NODE_NIL) {
1081 di_fini(di_root);
1082 return (PICL_SUCCESS);
1083 }
1084
1085 /*
1086 * The devfs_path will be used below to match the
1087 * proper path information node.
1088 */
1089 err = ptree_get_propval_by_name(mpnode, PICL_PROP_DEVFS_PATH,
1090 devfs_path, sizeof (devfs_path));
1091 if (err != PICL_SUCCESS) {
1092 di_fini(di_root);
1093 return (PICL_SUCCESS);
1094 }
1095
1096 /*
1097 * Scan the path information nodes looking for the matching devfs
1098 * path. When found obtain the state information.
1099 */
1100 while ((pi = di_path_next_phci(di_node, pi)) != DI_PATH_NIL) {
1101 char *di_path;
1102 di_node_t phci_node = di_path_phci_node(pi);
1103
1104 if (phci_node == DI_PATH_NIL)
1105 continue;
1106
1107 di_path = di_devfs_path(phci_node);
1108 if (di_path) {
1109 if (strcmp(di_path, devfs_path) != 0) {
1110 di_devfs_path_free(di_path);
1111 continue;
1112 }
1113 (void) strlcpy(vbuf, path_state_name(di_path_state(pi)),
1114 MAX_STATE_SIZE);
1115 di_devfs_path_free(di_path);
1116 break;
1117 }
1118 }
1119
1120 di_fini(di_root);
1121 return (PICL_SUCCESS);
1122 }
1123
1124 static void
add_di_path_prop(picl_nodehdl_t nodeh,di_path_prop_t di_path_prop)1125 add_di_path_prop(picl_nodehdl_t nodeh, di_path_prop_t di_path_prop)
1126 {
1127 int di_ptype;
1128 char *di_val;
1129 ptree_propinfo_t propinfo;
1130 int *idata;
1131 char *sdata;
1132 unsigned char *bdata;
1133 int len;
1134
1135 di_ptype = di_path_prop_type(di_path_prop);
1136 di_val = di_path_prop_name(di_path_prop);
1137
1138 switch (di_ptype) {
1139 case DI_PROP_TYPE_BOOLEAN:
1140 add_boolean_prop(nodeh, propinfo, di_val);
1141 break;
1142 case DI_PROP_TYPE_INT:
1143 case DI_PROP_TYPE_INT64:
1144 len = di_path_prop_ints(di_path_prop, &idata);
1145 if (len < 0)
1146 /* Received error, so ignore prop */
1147 break;
1148 add_uints_prop(nodeh, propinfo, di_val, idata, len);
1149 break;
1150 case DI_PROP_TYPE_STRING:
1151 len = di_path_prop_strings(di_path_prop, &sdata);
1152 if (len <= 0)
1153 break;
1154 add_strings_prop(nodeh, propinfo, di_val, sdata, len);
1155 break;
1156 case DI_PROP_TYPE_BYTE:
1157 len = di_path_prop_bytes(di_path_prop, &bdata);
1158 if (len < 0)
1159 break;
1160 add_bytes_prop(nodeh, propinfo, di_val, bdata, len);
1161 break;
1162 case DI_PROP_TYPE_UNKNOWN:
1163 /*
1164 * Unknown type, we'll try and guess what it should be.
1165 */
1166 len = di_path_prop_strings(di_path_prop, &sdata);
1167 if ((len > 0) && (sdata[0] != 0)) {
1168 add_strings_prop(nodeh, propinfo, di_val, sdata,
1169 len);
1170 break;
1171 }
1172 len = di_path_prop_ints(di_path_prop, &idata);
1173 if (len > 0) {
1174 add_uints_prop(nodeh, propinfo, di_val,
1175 idata, len);
1176 break;
1177 }
1178 len = di_path_prop_bytes(di_path_prop, &bdata);
1179 if (len > 0)
1180 add_bytes_prop(nodeh, propinfo,
1181 di_val, bdata, len);
1182 else if (len == 0)
1183 add_boolean_prop(nodeh, propinfo,
1184 di_val);
1185 break;
1186 case DI_PROP_TYPE_UNDEF_IT:
1187 break;
1188 default:
1189 break;
1190 }
1191 }
1192
1193 /*
1194 * Add nodes for path information (PSARC/1999/647, PSARC/2008/437)
1195 */
1196 static void
construct_mpath_node(picl_nodehdl_t parh,di_node_t di_node)1197 construct_mpath_node(picl_nodehdl_t parh, di_node_t di_node)
1198 {
1199 di_path_t pi = DI_PATH_NIL;
1200
1201 while ((pi = di_path_next_phci(di_node, pi)) != DI_PATH_NIL) {
1202 di_node_t phci_node = di_path_phci_node(pi);
1203 di_path_prop_t di_path_prop;
1204 picl_nodehdl_t nodeh;
1205 ptree_propinfo_t propinfo;
1206 int err;
1207 int instance;
1208 char *di_val;
1209
1210 if (phci_node == DI_PATH_NIL)
1211 continue;
1212
1213 err = ptree_create_and_add_node(parh, PICL_CLASS_MULTIPATH,
1214 PICL_CLASS_MULTIPATH, &nodeh);
1215 if (err != PICL_SUCCESS)
1216 continue;
1217
1218 instance = di_instance(phci_node);
1219 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1220 PICL_PTYPE_INT, PICL_READ, sizeof (instance),
1221 PICL_PROP_INSTANCE, NULL, NULL);
1222 (void) ptree_create_and_add_prop(nodeh, &propinfo, &instance,
1223 NULL);
1224
1225 di_val = di_devfs_path(phci_node);
1226 if (di_val) {
1227 (void) ptree_init_propinfo(&propinfo,
1228 PTREE_PROPINFO_VERSION,
1229 PICL_PTYPE_CHARSTRING, PICL_READ,
1230 strlen(di_val) + 1, PICL_PROP_DEVFS_PATH,
1231 NULL, NULL);
1232 (void) ptree_create_and_add_prop(nodeh,
1233 &propinfo, di_val, NULL);
1234 di_devfs_path_free(di_val);
1235 }
1236
1237 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1238 PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE),
1239 MAX_STATE_SIZE, PICL_PROP_STATE, get_path_state_name, NULL);
1240 (void) ptree_create_and_add_prop(nodeh, &propinfo, NULL, NULL);
1241
1242 for (di_path_prop = di_path_prop_next(pi, DI_PROP_NIL);
1243 di_path_prop != DI_PROP_NIL;
1244 di_path_prop = di_path_prop_next(pi, di_path_prop)) {
1245 add_di_path_prop(nodeh, di_path_prop);
1246 }
1247 }
1248 }
1249
1250 /*
1251 * Add properties provided by libdevinfo
1252 */
1253 static void
add_devinfo_props(picl_nodehdl_t nodeh,di_node_t di_node)1254 add_devinfo_props(picl_nodehdl_t nodeh, di_node_t di_node)
1255 {
1256 int instance;
1257 char *di_val;
1258 di_prop_t di_prop;
1259 int di_ptype;
1260 ptree_propinfo_t propinfo;
1261 char *sdata;
1262 unsigned char *bdata;
1263 int *idata;
1264 int len;
1265
1266 instance = di_instance(di_node);
1267 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1268 PICL_PTYPE_INT, PICL_READ, sizeof (instance), PICL_PROP_INSTANCE,
1269 NULL, NULL);
1270 (void) ptree_create_and_add_prop(nodeh, &propinfo, &instance, NULL);
1271
1272 di_val = di_bus_addr(di_node);
1273 if (di_val) {
1274 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1275 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1,
1276 PICL_PROP_BUS_ADDR, NULL, NULL);
1277 (void) ptree_create_and_add_prop(nodeh, &propinfo, di_val,
1278 NULL);
1279 }
1280
1281 di_val = di_binding_name(di_node);
1282 if (di_val) {
1283 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1284 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1,
1285 PICL_PROP_BINDING_NAME, NULL, NULL);
1286 (void) ptree_create_and_add_prop(nodeh, &propinfo, di_val,
1287 NULL);
1288 }
1289
1290 di_val = di_driver_name(di_node);
1291 if (di_val) {
1292 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1293 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1,
1294 PICL_PROP_DRIVER_NAME, NULL, NULL);
1295 (void) ptree_create_and_add_prop(nodeh, &propinfo, di_val,
1296 NULL);
1297 }
1298
1299 di_val = di_devfs_path(di_node);
1300 if (di_val) {
1301 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1302 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1,
1303 PICL_PROP_DEVFS_PATH, NULL, NULL);
1304 (void) ptree_create_and_add_prop(nodeh, &propinfo, di_val,
1305 NULL);
1306 di_devfs_path_free(di_val);
1307 }
1308
1309 for (di_prop = di_prop_next(di_node, DI_PROP_NIL);
1310 di_prop != DI_PROP_NIL;
1311 di_prop = di_prop_next(di_node, di_prop)) {
1312
1313 di_val = di_prop_name(di_prop);
1314 di_ptype = di_prop_type(di_prop);
1315
1316 switch (di_ptype) {
1317 case DI_PROP_TYPE_BOOLEAN:
1318 add_boolean_prop(nodeh, propinfo, di_val);
1319 break;
1320 case DI_PROP_TYPE_INT:
1321 len = di_prop_ints(di_prop, &idata);
1322 if (len < 0)
1323 /* Received error, so ignore prop */
1324 break;
1325 add_uints_prop(nodeh, propinfo, di_val, idata, len);
1326 break;
1327 case DI_PROP_TYPE_STRING:
1328 len = di_prop_strings(di_prop, &sdata);
1329 if (len < 0)
1330 break;
1331 add_strings_prop(nodeh, propinfo, di_val, sdata, len);
1332 break;
1333 case DI_PROP_TYPE_BYTE:
1334 len = di_prop_bytes(di_prop, &bdata);
1335 if (len < 0)
1336 break;
1337 add_bytes_prop(nodeh, propinfo, di_val, bdata, len);
1338 break;
1339 case DI_PROP_TYPE_UNKNOWN:
1340 /*
1341 * Unknown type, we'll try and guess what it should be.
1342 */
1343 len = di_prop_strings(di_prop, &sdata);
1344 if ((len > 0) && (sdata[0] != 0)) {
1345 add_strings_prop(nodeh, propinfo, di_val, sdata,
1346 len);
1347 break;
1348 }
1349 len = di_prop_ints(di_prop, &idata);
1350 if (len > 0) {
1351 add_uints_prop(nodeh, propinfo, di_val,
1352 idata, len);
1353 break;
1354 }
1355 len = di_prop_rawdata(di_prop, &bdata);
1356 if (len > 0)
1357 add_bytes_prop(nodeh, propinfo,
1358 di_val, bdata, len);
1359 else if (len == 0)
1360 add_boolean_prop(nodeh, propinfo,
1361 di_val);
1362 break;
1363 case DI_PROP_TYPE_UNDEF_IT:
1364 break;
1365 default:
1366 break;
1367 }
1368 }
1369 }
1370
1371 /*
1372 * This function creates the /obp node in the PICL tree for OBP nodes
1373 * without a device type class.
1374 */
1375 static int
construct_picl_openprom(picl_nodehdl_t rooth,picl_nodehdl_t * obph)1376 construct_picl_openprom(picl_nodehdl_t rooth, picl_nodehdl_t *obph)
1377 {
1378 picl_nodehdl_t tmph;
1379 int err;
1380
1381 err = ptree_create_and_add_node(rooth, PICL_NODE_OBP,
1382 PICL_CLASS_PICL, &tmph);
1383
1384 if (err != PICL_SUCCESS)
1385 return (err);
1386 *obph = tmph;
1387 return (PICL_SUCCESS);
1388 }
1389
1390 /*
1391 * This function creates the /platform node in the PICL tree and
1392 * its properties. It sets the "platform-name" property to the
1393 * platform name
1394 */
1395 static int
construct_picl_platform(picl_nodehdl_t rooth,di_node_t di_root,picl_nodehdl_t * piclh)1396 construct_picl_platform(picl_nodehdl_t rooth, di_node_t di_root,
1397 picl_nodehdl_t *piclh)
1398 {
1399 int err;
1400 picl_nodehdl_t plafh;
1401 char *nodename;
1402 char nodeclass[PICL_CLASSNAMELEN_MAX];
1403 ptree_propinfo_t propinfo;
1404 picl_prophdl_t proph;
1405
1406 nodename = di_node_name(di_root);
1407 if (nodename == NULL)
1408 return (PICL_FAILURE);
1409
1410 err = 0;
1411 if (di_nodeid(di_root) == DI_PROM_NODEID ||
1412 di_nodeid(di_root) == DI_SID_NODEID)
1413 err = get_device_type(nodeclass, di_root);
1414
1415 if (err < 0)
1416 (void) strcpy(nodeclass, PICL_CLASS_UPA); /* default */
1417
1418 err = ptree_create_and_add_node(rooth, PICL_NODE_PLATFORM,
1419 nodeclass, &plafh);
1420 if (err != PICL_SUCCESS)
1421 return (err);
1422
1423 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1424 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(nodename) + 1,
1425 PICL_PROP_PLATFORM_NAME, NULL, NULL);
1426 err = ptree_create_and_add_prop(plafh, &propinfo, nodename, &proph);
1427 if (err != PICL_SUCCESS)
1428 return (err);
1429
1430 (void) add_devinfo_props(plafh, di_root);
1431
1432 (void) add_openprom_props(plafh, di_root);
1433
1434 *piclh = plafh;
1435
1436 return (PICL_SUCCESS);
1437 }
1438
1439 /*
1440 * This function creates a node in /obp tree for the libdevinfo handle.
1441 */
1442 static int
construct_obp_node(picl_nodehdl_t parh,di_node_t dn,picl_nodehdl_t * chdh)1443 construct_obp_node(picl_nodehdl_t parh, di_node_t dn, picl_nodehdl_t *chdh)
1444 {
1445 int err;
1446 char *nodename;
1447 char nodeclass[PICL_CLASSNAMELEN_MAX];
1448 picl_nodehdl_t anodeh;
1449
1450 nodename = di_node_name(dn); /* PICL_PROP_NAME */
1451 if (nodename == NULL)
1452 return (PICL_FAILURE);
1453
1454 if (strcmp(nodename, "pseudo") == 0)
1455 return (PICL_FAILURE);
1456
1457 if ((di_nodeid(dn) == DI_PROM_NODEID) &&
1458 (get_device_type(nodeclass, dn) == 0))
1459 return (PICL_FAILURE);
1460
1461 err = ptree_create_and_add_node(parh, nodename, nodename, &anodeh);
1462 if (err != PICL_SUCCESS)
1463 return (err);
1464
1465 add_devinfo_props(anodeh, dn);
1466
1467 (void) add_openprom_props(anodeh, dn);
1468
1469 *chdh = anodeh;
1470
1471 return (PICL_SUCCESS);
1472 }
1473
1474 /*
1475 * This function creates a PICL node in /platform tree for a device
1476 */
1477 static int
construct_devtype_node(picl_nodehdl_t parh,char * nodename,char * nodeclass,di_node_t dn,picl_nodehdl_t * chdh)1478 construct_devtype_node(picl_nodehdl_t parh, char *nodename,
1479 char *nodeclass, di_node_t dn, picl_nodehdl_t *chdh)
1480 {
1481 int err;
1482 picl_nodehdl_t anodeh;
1483
1484 err = ptree_create_and_add_node(parh, nodename, nodeclass, &anodeh);
1485 if (err != PICL_SUCCESS)
1486 return (err);
1487
1488 (void) add_devinfo_props(anodeh, dn);
1489 (void) add_openprom_props(anodeh, dn);
1490 construct_mpath_node(anodeh, dn);
1491
1492 *chdh = anodeh;
1493 return (err);
1494 }
1495
1496 /*
1497 * Create a subtree of "picl" class nodes in /obp for these nodes
1498 */
1499 static int
construct_openprom_tree(picl_nodehdl_t nodeh,di_node_t dinode)1500 construct_openprom_tree(picl_nodehdl_t nodeh, di_node_t dinode)
1501 {
1502 di_node_t cnode;
1503 picl_nodehdl_t chdh;
1504 int err;
1505
1506 err = construct_obp_node(nodeh, dinode, &chdh);
1507 if (err != PICL_SUCCESS)
1508 return (err);
1509
1510 for (cnode = di_child_node(dinode); cnode != DI_NODE_NIL;
1511 cnode = di_sibling_node(cnode))
1512 (void) construct_openprom_tree(chdh, cnode);
1513
1514 return (PICL_SUCCESS);
1515
1516 }
1517
1518 /*
1519 * Process the libdevinfo device tree and create nodes in /platform or /obp
1520 * PICL tree.
1521 *
1522 * This routine traverses the immediate children of "dinode" device and
1523 * determines the node class for that child. If it finds a valid class
1524 * name, then it builds a PICL node under /platform subtree and calls itself
1525 * recursively to construct the subtree for that child node. Otherwise, if
1526 * the parent_class is NULL, then it constructs a node and subtree under /obp
1527 * subtree.
1528 *
1529 * Note that we skip the children nodes that don't have a valid class name
1530 * and the parent_class is non NULL to prevent creation of any placeholder
1531 * nodes (such as sd,...).
1532 */
1533 static int
construct_devinfo_tree(picl_nodehdl_t plafh,picl_nodehdl_t obph,di_node_t dinode,char * parent_class)1534 construct_devinfo_tree(picl_nodehdl_t plafh, picl_nodehdl_t obph,
1535 di_node_t dinode, char *parent_class)
1536 {
1537 di_node_t cnode;
1538 picl_nodehdl_t chdh;
1539 char nodeclass[PICL_CLASSNAMELEN_MAX];
1540 char *nodename;
1541 int err;
1542
1543 err = PICL_SUCCESS;
1544 for (cnode = di_child_node(dinode); cnode != DI_NODE_NIL;
1545 cnode = di_sibling_node(cnode)) {
1546 nodename = di_node_name(cnode); /* PICL_PROP_NAME */
1547 if (nodename == NULL)
1548 continue;
1549
1550 err = get_node_class(nodeclass, cnode, nodename);
1551
1552 if (err == 0) {
1553 err = construct_devtype_node(plafh, nodename,
1554 nodeclass, cnode, &chdh);
1555 if (err != PICL_SUCCESS)
1556 return (err);
1557 err = construct_devinfo_tree(chdh, obph, cnode,
1558 nodeclass);
1559 } else if (parent_class == NULL)
1560 err = construct_openprom_tree(obph, cnode);
1561 else
1562 continue;
1563 /*
1564 * if parent_class is non NULL, skip the children nodes
1565 * that don't have a valid device class - eliminates
1566 * placeholder nodes (sd,...) from being created.
1567 */
1568 }
1569
1570 return (err);
1571
1572 }
1573
1574 /*
1575 * This function is called from the event handler called from the daemon
1576 * on PICL events.
1577 *
1578 * This routine traverses the children of the "dinode" device and
1579 * creates a PICL node for each child not found in the PICL tree and
1580 * invokes itself recursively to create a subtree for the newly created
1581 * child node. It also checks if the node being created is a meory
1582 * controller. If so, it posts PICLEVENT_MC_ADDED PICL event to the PICL
1583 * framework.
1584 */
1585 static int
update_subtree(picl_nodehdl_t nodeh,di_node_t dinode)1586 update_subtree(picl_nodehdl_t nodeh, di_node_t dinode)
1587 {
1588 di_node_t cnode;
1589 picl_nodehdl_t chdh;
1590 picl_nodehdl_t nh;
1591 char *nodename;
1592 char nodeclass[PICL_CLASSNAMELEN_MAX];
1593 char *path_buf;
1594 char buf[MAX_UNIT_ADDRESS_LEN];
1595 char unitaddr[MAX_UNIT_ADDRESS_LEN];
1596 char path_w_ua[MAXPATHLEN];
1597 char path_wo_ua[MAXPATHLEN];
1598 char *strp;
1599 int gotit;
1600 int err;
1601
1602 for (cnode = di_child_node(dinode); cnode != DI_NODE_NIL;
1603 cnode = di_sibling_node(cnode)) {
1604 path_buf = di_devfs_path(cnode);
1605 if (path_buf == NULL)
1606 continue;
1607
1608 nodename = di_node_name(cnode);
1609 if (nodename == NULL) {
1610 di_devfs_path_free(path_buf);
1611 continue;
1612 }
1613
1614 err = get_node_class(nodeclass, cnode, nodename);
1615
1616 if (err < 0) {
1617 di_devfs_path_free(path_buf);
1618 continue;
1619 }
1620
1621 /*
1622 * this is quite complicated - both path_buf and any nodes
1623 * already in the picl tree may, or may not, have the
1624 * @<unit_addr> at the end of their names. So we must
1625 * take path_buf and work out what the device path would
1626 * be both with and without the unit_address, then search
1627 * the picl tree for both forms.
1628 */
1629 if (((strp = strrchr(path_buf, '/')) != NULL) &&
1630 strchr(strp, '@') == NULL) {
1631 /*
1632 * This is an unattached node - so the path is not
1633 * unique. Need to find out which node it is.
1634 * Find the unit_address from the OBP or devinfo
1635 * properties.
1636 */
1637 err = ptree_create_node(nodename, nodeclass, &chdh);
1638 if (err != PICL_SUCCESS)
1639 return (err);
1640
1641 (void) add_devinfo_props(chdh, cnode);
1642 (void) add_openprom_props(chdh, cnode);
1643
1644 err = get_unitaddr(nodeh, chdh, unitaddr,
1645 sizeof (unitaddr));
1646 if (err != PICL_SUCCESS)
1647 return (err);
1648 (void) ptree_destroy_node(chdh);
1649 (void) snprintf(path_w_ua, sizeof (path_w_ua), "%s@%s",
1650 path_buf, unitaddr);
1651 (void) snprintf(path_wo_ua, sizeof (path_wo_ua), "%s",
1652 path_buf);
1653 } else {
1654 /*
1655 * this is an attached node - so the path is unique
1656 */
1657 (void) snprintf(path_w_ua, sizeof (path_w_ua), "%s",
1658 path_buf);
1659 (void) snprintf(path_wo_ua, sizeof (path_wo_ua), "%s",
1660 path_buf);
1661 strp = strrchr(path_wo_ua, '@');
1662 *strp++ = '\0';
1663 (void) snprintf(unitaddr, sizeof (unitaddr), "%s",
1664 strp);
1665 }
1666 /*
1667 * first look for node with unit address in devfs_path
1668 */
1669 if (ptree_find_node(nodeh, PICL_PROP_DEVFS_PATH,
1670 PICL_PTYPE_CHARSTRING, path_w_ua, strlen(path_w_ua) + 1,
1671 &nh) == PICL_SUCCESS) {
1672 /*
1673 * node already there - there's nothing we need to do
1674 */
1675 if (picldevtree_debug > 1)
1676 syslog(LOG_INFO,
1677 "update_subtree: path:%s node exists\n",
1678 path_buf);
1679 di_devfs_path_free(path_buf);
1680 continue;
1681 }
1682 /*
1683 * now look for node without unit address in devfs_path.
1684 * This might be just one out of several
1685 * nodes - need to check all siblings
1686 */
1687 err = ptree_get_propval_by_name(nodeh, PICL_PROP_CHILD,
1688 &chdh, sizeof (chdh));
1689 if ((err != PICL_SUCCESS) && (err != PICL_PROPNOTFOUND))
1690 return (err);
1691 gotit = 0;
1692 while (err == PICL_SUCCESS) {
1693 err = ptree_get_propval_by_name(chdh,
1694 PICL_PROP_DEVFS_PATH, buf, sizeof (buf));
1695 if (err != PICL_SUCCESS)
1696 return (err);
1697 if (strcmp(buf, path_wo_ua) == 0) {
1698 err = ptree_get_propval_by_name(chdh,
1699 PICL_PROP_UNIT_ADDRESS, buf, sizeof (buf));
1700 if (err != PICL_SUCCESS)
1701 return (err);
1702 if (strcmp(buf, unitaddr) == 0) {
1703 gotit = 1;
1704 break;
1705 }
1706 }
1707 err = ptree_get_propval_by_name(chdh,
1708 PICL_PROP_PEER, &chdh, sizeof (chdh));
1709 if (err != PICL_SUCCESS)
1710 break;
1711 }
1712 if (gotit) {
1713 /*
1714 * node already there - there's nothing we need to do
1715 */
1716 if (picldevtree_debug > 1)
1717 syslog(LOG_INFO,
1718 "update_subtree: path:%s node exists\n",
1719 path_buf);
1720 di_devfs_path_free(path_buf);
1721 continue;
1722 }
1723
1724 #define IS_MC(x) (strcmp(x, PICL_CLASS_MEMORY_CONTROLLER) == 0 ? 1 : 0)
1725
1726 if (construct_devtype_node(nodeh, nodename, nodeclass, cnode,
1727 &chdh) == PICL_SUCCESS) {
1728 if (picldevtree_debug)
1729 syslog(LOG_INFO,
1730 "picldevtree: added node:%s path:%s\n",
1731 nodename, path_buf);
1732 if (IS_MC(nodeclass)) {
1733 if (post_mc_event(PICLEVENT_MC_ADDED, chdh) !=
1734 PICL_SUCCESS)
1735 syslog(LOG_WARNING, PICL_EVENT_DROPPED,
1736 PICLEVENT_MC_ADDED);
1737 }
1738
1739 di_devfs_path_free(path_buf);
1740 (void) update_subtree(chdh, cnode);
1741 }
1742 }
1743
1744 return (PICL_SUCCESS);
1745
1746 }
1747
1748 /*
1749 * Check for a stale OBP node. EINVAL is returned from the openprom(7D) driver
1750 * if the nodeid stored in the snapshot is not valid.
1751 */
1752 static int
check_stale_node(di_node_t node,void * arg)1753 check_stale_node(di_node_t node, void *arg)
1754 {
1755 di_prom_prop_t promp;
1756
1757 errno = 0;
1758 promp = di_prom_prop_next(ph, node, DI_PROM_PROP_NIL);
1759 if (promp == DI_PROM_PROP_NIL && errno == EINVAL) {
1760 snapshot_stale = 1;
1761 return (DI_WALK_TERMINATE);
1762 }
1763 return (DI_WALK_CONTINUE);
1764 }
1765
1766 /*
1767 * Walk the snapshot and check the OBP properties of each node.
1768 */
1769 static int
is_snapshot_stale(di_node_t root)1770 is_snapshot_stale(di_node_t root)
1771 {
1772 snapshot_stale = 0;
1773 di_walk_node(root, DI_WALK_CLDFIRST, NULL, check_stale_node);
1774 return (snapshot_stale);
1775 }
1776
1777 /*
1778 * This function processes the data from libdevinfo and creates nodes
1779 * in the PICL tree.
1780 */
1781 static int
libdevinfo_init(picl_nodehdl_t rooth)1782 libdevinfo_init(picl_nodehdl_t rooth)
1783 {
1784 di_node_t di_root;
1785 picl_nodehdl_t plafh;
1786 picl_nodehdl_t obph;
1787 int err;
1788
1789 /*
1790 * Use DINFOCACHE so that we obtain all attributes for all
1791 * device instances (without necessarily doing a load/attach
1792 * of all drivers). Once the (on-disk) cache file is built, it
1793 * exists over a reboot and can be read into memory at a very
1794 * low cost.
1795 */
1796 if ((di_root = di_init("/", DINFOCACHE)) == DI_NODE_NIL)
1797 return (PICL_FAILURE);
1798
1799 if ((ph = di_prom_init()) == NULL)
1800 return (PICL_FAILURE);
1801
1802 /*
1803 * Check if the snapshot cache contains stale OBP nodeid references.
1804 * If it does release the snapshot and obtain a live snapshot from the
1805 * kernel.
1806 */
1807 if (is_snapshot_stale(di_root)) {
1808 syslog(LOG_INFO, "picld detected stale snapshot cache");
1809 di_fini(di_root);
1810 if ((di_root = di_init("/", DINFOCPYALL | DINFOFORCE)) ==
1811 DI_NODE_NIL) {
1812 return (PICL_FAILURE);
1813 }
1814 }
1815
1816 /*
1817 * create platform PICL node using di_root node
1818 */
1819 err = construct_picl_platform(rooth, di_root, &plafh);
1820 if (err != PICL_SUCCESS) {
1821 di_fini(di_root);
1822 return (PICL_FAILURE);
1823 }
1824
1825 err = construct_picl_openprom(rooth, &obph);
1826 if (err != PICL_SUCCESS) {
1827 di_fini(di_root);
1828 return (PICL_FAILURE);
1829 }
1830
1831 (void) construct_devinfo_tree(plafh, obph, di_root, NULL);
1832 if (ph) {
1833 di_prom_fini(ph);
1834 ph = NULL;
1835 }
1836 di_fini(di_root);
1837 return (err);
1838 }
1839
1840 /*
1841 * This function returns the integer property value
1842 */
1843 static int
get_int_propval_by_name(picl_nodehdl_t nodeh,char * pname,int * ival)1844 get_int_propval_by_name(picl_nodehdl_t nodeh, char *pname, int *ival)
1845 {
1846 int err;
1847
1848 err = ptree_get_propval_by_name(nodeh, pname, ival,
1849 sizeof (int));
1850
1851 return (err);
1852 }
1853
1854 /*
1855 * This function returns the port ID (or CPU ID in the case of CMP cores)
1856 * of the specific CPU node handle. If upa_portid exists, return its value.
1857 * Otherwise, return portid/cpuid.
1858 */
1859 static int
get_cpu_portid(picl_nodehdl_t modh,int * id)1860 get_cpu_portid(picl_nodehdl_t modh, int *id)
1861 {
1862 int err;
1863
1864 if (strcmp(mach_name, "sun4u") == 0 ||
1865 strcmp(mach_name, "sun4v") == 0) {
1866 err = get_int_propval_by_name(modh, OBP_PROP_UPA_PORTID, id);
1867 if (err == PICL_SUCCESS)
1868 return (err);
1869 err = get_int_propval_by_name(modh, OBP_PROP_PORTID, id);
1870 if (err == PICL_SUCCESS)
1871 return (err);
1872 return (get_int_propval_by_name(modh, OBP_PROP_CPUID, id));
1873 }
1874 if (strcmp(mach_name, "i86pc") == 0)
1875 return (get_int_propval_by_name(modh, OBP_REG, id));
1876
1877 return (PICL_FAILURE);
1878 }
1879
1880 /*
1881 * This function is the volatile read access function of CPU state
1882 * property
1883 */
1884 static int
get_pi_state(ptree_rarg_t * rarg,void * vbuf)1885 get_pi_state(ptree_rarg_t *rarg, void *vbuf)
1886 {
1887 int id;
1888 int err;
1889
1890 err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &id);
1891 if (err != PICL_SUCCESS)
1892 return (err);
1893
1894 switch (p_online(id, P_STATUS)) {
1895 case P_ONLINE:
1896 (void) strlcpy(vbuf, PS_ONLINE, MAX_STATE_SIZE);
1897 break;
1898 case P_OFFLINE:
1899 (void) strlcpy(vbuf, PS_OFFLINE, MAX_STATE_SIZE);
1900 break;
1901 case P_NOINTR:
1902 (void) strlcpy(vbuf, PS_NOINTR, MAX_STATE_SIZE);
1903 break;
1904 case P_SPARE:
1905 (void) strlcpy(vbuf, PS_SPARE, MAX_STATE_SIZE);
1906 break;
1907 case P_FAULTED:
1908 (void) strlcpy(vbuf, PS_FAULTED, MAX_STATE_SIZE);
1909 break;
1910 case P_POWEROFF:
1911 (void) strlcpy(vbuf, PS_POWEROFF, MAX_STATE_SIZE);
1912 break;
1913 default:
1914 (void) strlcpy(vbuf, "unknown", MAX_STATE_SIZE);
1915 break;
1916 }
1917 return (PICL_SUCCESS);
1918 }
1919
1920 /*
1921 * This function is the volatile read access function of CPU processor_type
1922 * property
1923 */
1924 static int
get_processor_type(ptree_rarg_t * rarg,void * vbuf)1925 get_processor_type(ptree_rarg_t *rarg, void *vbuf)
1926 {
1927 processor_info_t cpu_info;
1928 int id;
1929 int err;
1930
1931 err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &id);
1932 if (err != PICL_SUCCESS)
1933 return (err);
1934
1935 if (processor_info(id, &cpu_info) >= 0) {
1936 (void) strlcpy(vbuf, cpu_info.pi_processor_type, PI_TYPELEN);
1937 }
1938 return (PICL_SUCCESS);
1939 }
1940
1941 /*
1942 * This function is the volatile read access function of CPU fputypes
1943 * property
1944 */
1945 static int
get_fputypes(ptree_rarg_t * rarg,void * vbuf)1946 get_fputypes(ptree_rarg_t *rarg, void *vbuf)
1947 {
1948 processor_info_t cpu_info;
1949 int id;
1950 int err;
1951
1952 err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &id);
1953 if (err != PICL_SUCCESS)
1954 return (err);
1955
1956 if (processor_info(id, &cpu_info) >= 0) {
1957 (void) strlcpy(vbuf, cpu_info.pi_fputypes, PI_FPUTYPE);
1958 }
1959 return (PICL_SUCCESS);
1960 }
1961
1962 /*
1963 * This function is the volatile read access function of CPU StateBegin
1964 * property. To minimize overhead, use kstat_chain_update() to refresh
1965 * the kstat header info as opposed to invoking kstat_open() every time.
1966 */
1967 static int
get_pi_state_begin(ptree_rarg_t * rarg,void * vbuf)1968 get_pi_state_begin(ptree_rarg_t *rarg, void *vbuf)
1969 {
1970 int err;
1971 int cpu_id;
1972 static kstat_ctl_t *kc = NULL;
1973 static pthread_mutex_t kc_mutex = PTHREAD_MUTEX_INITIALIZER;
1974 kstat_t *kp;
1975 kstat_named_t *kn;
1976
1977 err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &cpu_id);
1978 if (err != PICL_SUCCESS)
1979 return (err);
1980
1981 (void) pthread_mutex_lock(&kc_mutex);
1982 if (kc == NULL)
1983 kc = kstat_open();
1984 else if (kstat_chain_update(kc) == -1) {
1985 (void) kstat_close(kc);
1986 kc = kstat_open();
1987 }
1988
1989 if (kc == NULL) {
1990 (void) pthread_mutex_unlock(&kc_mutex);
1991 return (PICL_FAILURE);
1992 }
1993
1994 /* Get the state_begin from kstat */
1995 if ((kp = kstat_lookup(kc, KSTAT_CPU_INFO, cpu_id, NULL)) == NULL ||
1996 kp->ks_type != KSTAT_TYPE_NAMED || kstat_read(kc, kp, 0) < 0) {
1997 (void) pthread_mutex_unlock(&kc_mutex);
1998 return (PICL_FAILURE);
1999 }
2000
2001 kn = kstat_data_lookup(kp, KSTAT_STATE_BEGIN);
2002 if (kn) {
2003 *(uint64_t *)vbuf = (uint64_t)kn->value.l;
2004 err = PICL_SUCCESS;
2005 } else
2006 err = PICL_FAILURE;
2007
2008 (void) pthread_mutex_unlock(&kc_mutex);
2009 return (err);
2010 }
2011
2012 /*
2013 * This function adds CPU information to the CPU nodes
2014 */
2015 /* ARGSUSED */
2016 static int
add_processor_info(picl_nodehdl_t cpuh,void * args)2017 add_processor_info(picl_nodehdl_t cpuh, void *args)
2018 {
2019 int err;
2020 int cpu_id;
2021 ptree_propinfo_t propinfo;
2022 ptree_propinfo_t pinfo;
2023
2024 err = get_cpu_portid(cpuh, &cpu_id);
2025 if (err != PICL_SUCCESS)
2026 return (PICL_WALK_CONTINUE);
2027
2028 /*
2029 * Check to make sure that the CPU is still present, i.e. that it
2030 * has not been DR'ed out of the system.
2031 */
2032 if (p_online(cpu_id, P_STATUS) == -1) {
2033 if (picldevtree_debug)
2034 syslog(LOG_INFO,
2035 "picldevtree: cpu %d (%llx) does not exist - "
2036 "deleting node\n", cpu_id, cpuh);
2037
2038 if (ptree_delete_node(cpuh) == PICL_SUCCESS)
2039 (void) ptree_destroy_node(cpuh);
2040
2041 return (PICL_WALK_CONTINUE);
2042 }
2043
2044 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2045 PICL_PTYPE_INT, PICL_READ, sizeof (int), PICL_PROP_ID, NULL, NULL);
2046 err = ptree_create_and_add_prop(cpuh, &propinfo, &cpu_id, NULL);
2047 if (err != PICL_SUCCESS)
2048 return (PICL_WALK_CONTINUE);
2049
2050 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
2051 PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE), MAX_STATE_SIZE,
2052 PICL_PROP_STATE, get_pi_state, NULL);
2053 (void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL);
2054
2055 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
2056 PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE), PI_TYPELEN,
2057 PICL_PROP_PROCESSOR_TYPE, get_processor_type, NULL);
2058 (void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL);
2059
2060 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
2061 PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE), PI_FPUTYPE,
2062 PICL_PROP_FPUTYPE, get_fputypes, NULL);
2063 (void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL);
2064
2065 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
2066 PICL_PTYPE_TIMESTAMP, PICL_READ|PICL_VOLATILE, sizeof (uint64_t),
2067 PICL_PROP_STATE_BEGIN, get_pi_state_begin, NULL);
2068 (void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL);
2069
2070 return (PICL_WALK_CONTINUE);
2071 }
2072
2073 /*
2074 * This function sets up the "ID" property in every CPU nodes
2075 * and adds processor info
2076 */
2077 static int
setup_cpus(picl_nodehdl_t plafh)2078 setup_cpus(picl_nodehdl_t plafh)
2079 {
2080 int err;
2081
2082 err = ptree_walk_tree_by_class(plafh, PICL_CLASS_CPU, NULL,
2083 add_processor_info);
2084
2085 return (err);
2086 }
2087
2088 /*
2089 * This function format's the manufacture's information for FFB display
2090 * devices
2091 */
2092 static void
fmt_manf_id(manuf_t manufid,int bufsz,char * outbuf)2093 fmt_manf_id(manuf_t manufid, int bufsz, char *outbuf)
2094 {
2095 /*
2096 * Format the manufacturer's info. Note a small inconsistency we
2097 * have to work around - Brooktree has it's part number in decimal,
2098 * while Mitsubishi has it's part number in hex.
2099 */
2100 switch (manufid.fld.manf) {
2101 case MANF_BROOKTREE:
2102 (void) snprintf(outbuf, bufsz, "%s %d, version %d",
2103 "Brooktree", manufid.fld.partno, manufid.fld.version);
2104 break;
2105
2106 case MANF_MITSUBISHI:
2107 (void) snprintf(outbuf, bufsz, "%s %x, version %d",
2108 "Mitsubishi", manufid.fld.partno, manufid.fld.version);
2109 break;
2110
2111 default:
2112 (void) snprintf(outbuf, bufsz,
2113 "JED code %d, Part num 0x%x, version %d",
2114 manufid.fld.manf, manufid.fld.partno, manufid.fld.version);
2115 }
2116 }
2117
2118 /*
2119 * If it's an ffb device, open ffb devices and return PICL_SUCCESS
2120 */
2121 static int
open_ffb_device(picl_nodehdl_t ffbh,int * fd)2122 open_ffb_device(picl_nodehdl_t ffbh, int *fd)
2123 {
2124 DIR *dirp;
2125 char devfs_path[PATH_MAX];
2126 char dev_path[PATH_MAX];
2127 char *devp;
2128 struct dirent *direntp;
2129 int err;
2130 int tmpfd;
2131
2132 /* Get the devfs_path of the ffb devices */
2133 err = ptree_get_propval_by_name(ffbh, PICL_PROP_DEVFS_PATH, devfs_path,
2134 sizeof (devfs_path));
2135 if (err != PICL_SUCCESS)
2136 return (err);
2137
2138 /* Get the device node name */
2139 devp = strrchr(devfs_path, '/');
2140 if (devp == NULL)
2141 return (PICL_FAILURE);
2142 *devp = '\0';
2143 ++devp;
2144
2145 /*
2146 * Check if device node name has the ffb string
2147 * If not, assume it's not a ffb device.
2148 */
2149 if (strstr(devp, FFB_NAME) == NULL)
2150 return (PICL_FAILURE);
2151
2152 /*
2153 * Get the parent path of the ffb device node.
2154 */
2155 (void) snprintf(dev_path, sizeof (dev_path), "%s/%s", "/devices",
2156 devfs_path);
2157
2158 /*
2159 * Since we don't know ffb's minor nodename,
2160 * we need to search all the devices under its
2161 * parent dir by comparing the node name
2162 */
2163 if ((dirp = opendir(dev_path)) == NULL)
2164 return (PICL_FAILURE);
2165
2166 while ((direntp = readdir(dirp)) != NULL) {
2167 if (strstr(direntp->d_name, devp) != NULL) {
2168 (void) strcat(dev_path, "/");
2169 (void) strcat(dev_path, direntp->d_name);
2170 tmpfd = open(dev_path, O_RDWR);
2171 if (tmpfd < 0)
2172 continue;
2173 *fd = tmpfd;
2174 (void) closedir(dirp);
2175 return (PICL_SUCCESS);
2176 }
2177 }
2178
2179 (void) closedir(dirp);
2180 return (PICL_FAILURE);
2181 }
2182
2183 /*
2184 * This function recursively searches the tree for ffb display devices
2185 * and add ffb config information
2186 */
2187 static int
add_ffb_config_info(picl_nodehdl_t rooth)2188 add_ffb_config_info(picl_nodehdl_t rooth)
2189 {
2190 picl_nodehdl_t nodeh;
2191 int err;
2192 char piclclass[PICL_CLASSNAMELEN_MAX];
2193 char manfidbuf[FFB_MANUF_BUFSIZE];
2194 int fd;
2195 int board_rev;
2196 ffb_sys_info_t fsi;
2197 ptree_propinfo_t pinfo;
2198
2199 for (err = ptree_get_propval_by_name(rooth, PICL_PROP_CHILD, &nodeh,
2200 sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND;
2201 err = ptree_get_propval_by_name(nodeh, PICL_PROP_PEER,
2202 &nodeh, sizeof (picl_nodehdl_t))) {
2203
2204 if (err != PICL_SUCCESS)
2205 return (err);
2206
2207 err = ptree_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME,
2208 piclclass, PICL_CLASSNAMELEN_MAX);
2209
2210 if ((err == PICL_SUCCESS) &&
2211 (strcmp(piclclass, PICL_CLASS_DISPLAY) == 0)) {
2212
2213 err = open_ffb_device(nodeh, &fd);
2214 if ((err == PICL_SUCCESS) &&
2215 (ioctl(fd, FFB_SYS_INFO, &fsi) >= 0)) {
2216 (void) ptree_init_propinfo(&pinfo,
2217 PTREE_PROPINFO_VERSION,
2218 PICL_PTYPE_UNSIGNED_INT, PICL_READ,
2219 sizeof (int), PICL_PROP_FFB_BOARD_REV,
2220 NULL, NULL);
2221 board_rev = fsi.ffb_strap_bits.fld.board_rev;
2222 (void) ptree_create_and_add_prop(nodeh, &pinfo,
2223 &board_rev, NULL);
2224
2225 fmt_manf_id(fsi.dac_version,
2226 sizeof (manfidbuf), manfidbuf);
2227 (void) ptree_init_propinfo(&pinfo,
2228 PTREE_PROPINFO_VERSION,
2229 PICL_PTYPE_CHARSTRING, PICL_READ,
2230 strlen(manfidbuf) + 1,
2231 PICL_PROP_FFB_DAC_VER, NULL, NULL);
2232 (void) ptree_create_and_add_prop(nodeh, &pinfo,
2233 manfidbuf, NULL);
2234
2235 fmt_manf_id(fsi.fbram_version,
2236 sizeof (manfidbuf), manfidbuf);
2237 (void) ptree_init_propinfo(&pinfo,
2238 PTREE_PROPINFO_VERSION,
2239 PICL_PTYPE_CHARSTRING, PICL_READ,
2240 strlen(manfidbuf) + 1,
2241 PICL_PROP_FFB_FBRAM_VER, NULL,
2242 NULL);
2243 (void) ptree_create_and_add_prop(nodeh, &pinfo,
2244 manfidbuf, NULL);
2245 (void) close(fd);
2246 }
2247 } else if (add_ffb_config_info(nodeh) != PICL_SUCCESS)
2248 return (PICL_FAILURE);
2249 }
2250 return (PICL_SUCCESS);
2251 }
2252
2253 static conf_entries_t *
free_conf_entries(conf_entries_t * list)2254 free_conf_entries(conf_entries_t *list)
2255 {
2256 conf_entries_t *el;
2257 conf_entries_t *del;
2258
2259 if (list == NULL)
2260 return (NULL);
2261 el = list;
2262 while (el != NULL) {
2263 del = el;
2264 el = el->next;
2265 free(del->name);
2266 free(del->piclclass);
2267 free(del);
2268 }
2269 return (el);
2270 }
2271
2272 /*
2273 * Reading config order: platform, common
2274 */
2275 static conf_entries_t *
read_conf_file(char * fname,conf_entries_t * list)2276 read_conf_file(char *fname, conf_entries_t *list)
2277 {
2278 FILE *fp;
2279 char lbuf[CONFFILE_LINELEN_MAX];
2280 char *nametok;
2281 char *classtok;
2282 conf_entries_t *el;
2283 conf_entries_t *ptr;
2284
2285 if (fname == NULL)
2286 return (list);
2287
2288 fp = fopen(fname, "r");
2289
2290 if (fp == NULL)
2291 return (list);
2292
2293 while (fgets(lbuf, CONFFILE_LINELEN_MAX, fp) != NULL) {
2294 if ((lbuf[0] == CONFFILE_COMMENT_CHAR) || (lbuf[0] == '\n'))
2295 continue;
2296
2297 nametok = strtok(lbuf, " \t\n");
2298 if (nametok == NULL)
2299 continue;
2300
2301 classtok = strtok(NULL, " \t\n");
2302 if (classtok == NULL)
2303 continue;
2304
2305 el = malloc(sizeof (conf_entries_t));
2306 if (el == NULL)
2307 break;
2308 el->name = strdup(nametok);
2309 el->piclclass = strdup(classtok);
2310 if ((el->name == NULL) || (el->piclclass == NULL)) {
2311 free(el);
2312 return (list);
2313 }
2314 el->next = NULL;
2315
2316 /*
2317 * Add it to the end of list
2318 */
2319 if (list == NULL)
2320 list = el;
2321 else {
2322 ptr = list;
2323 while (ptr->next != NULL)
2324 ptr = ptr->next;
2325 ptr->next = el;
2326 }
2327
2328 }
2329 (void) fclose(fp);
2330 return (list);
2331 }
2332
2333 /*
2334 * Process the devtree conf file and set up the conf_name_class_map list
2335 */
2336 static void
process_devtree_conf_file(void)2337 process_devtree_conf_file(void)
2338 {
2339 char nmbuf[SYS_NMLN];
2340 char pname[PATH_MAX];
2341
2342 conf_name_class_map = NULL;
2343
2344 if (sysinfo(SI_PLATFORM, nmbuf, sizeof (nmbuf)) != -1) {
2345 (void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf);
2346 (void) strlcat(pname, DEVTREE_CONFFILE_NAME, PATH_MAX);
2347 conf_name_class_map = read_conf_file(pname,
2348 conf_name_class_map);
2349 }
2350
2351 if (sysinfo(SI_MACHINE, nmbuf, sizeof (nmbuf)) != -1) {
2352 (void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf);
2353 (void) strlcat(pname, DEVTREE_CONFFILE_NAME, PATH_MAX);
2354 conf_name_class_map = read_conf_file(pname,
2355 conf_name_class_map);
2356 }
2357
2358 (void) snprintf(pname, PATH_MAX, "%s/%s", PICLD_COMMON_PLUGIN_DIR,
2359 DEVTREE_CONFFILE_NAME);
2360 conf_name_class_map = read_conf_file(pname, conf_name_class_map);
2361 }
2362
2363 static asr_conf_entries_t *conf_name_asr_map = NULL;
2364
2365 static void
free_asr_conf_entries(asr_conf_entries_t * list)2366 free_asr_conf_entries(asr_conf_entries_t *list) {
2367 asr_conf_entries_t *el;
2368 asr_conf_entries_t *del;
2369
2370 el = list;
2371 while (el != NULL) {
2372 del = el;
2373 el = el->next;
2374 if (del->name)
2375 free(del->name);
2376 if (del->address)
2377 free(del->address);
2378 if (del->status)
2379 free(del->status);
2380 if (del->piclclass)
2381 free(del->piclclass);
2382 if (del->props)
2383 free(del->props);
2384 free(del);
2385 }
2386 }
2387
2388 /*
2389 * Reading config order: platform, common
2390 */
2391 static asr_conf_entries_t *
read_asr_conf_file(char * fname,asr_conf_entries_t * list)2392 read_asr_conf_file(char *fname, asr_conf_entries_t *list)
2393 {
2394 FILE *fp;
2395 char lbuf[CONFFILE_LINELEN_MAX];
2396 char *nametok;
2397 char *classtok;
2398 char *statustok;
2399 char *addresstok;
2400 char *propstok;
2401 asr_conf_entries_t *el;
2402 asr_conf_entries_t *ptr;
2403
2404 if (fname == NULL)
2405 return (list);
2406
2407 fp = fopen(fname, "r");
2408 if (fp == NULL)
2409 return (list);
2410
2411 while (fgets(lbuf, CONFFILE_LINELEN_MAX, fp) != NULL) {
2412 if ((lbuf[0] == CONFFILE_COMMENT_CHAR) || (lbuf[0] == '\n'))
2413 continue;
2414
2415 nametok = strtok(lbuf, " \t\n");
2416 if (nametok == NULL)
2417 continue;
2418
2419 classtok = strtok(NULL, " \t\n");
2420 if (classtok == NULL)
2421 continue;
2422
2423 statustok = strtok(NULL, " \t\n");
2424 if (statustok == NULL)
2425 continue;
2426
2427 addresstok = strtok(NULL, " \t\n");
2428 if (addresstok == NULL)
2429 continue;
2430
2431 /*
2432 * props are optional
2433 */
2434 propstok = strtok(NULL, " \t\n");
2435
2436 el = malloc(sizeof (asr_conf_entries_t));
2437 if (el == NULL)
2438 break;
2439 el->name = strdup(nametok);
2440 el->piclclass = strdup(classtok);
2441 el->status = strdup(statustok);
2442 el->address = strdup(addresstok);
2443 if (propstok != NULL)
2444 el->props = strdup(propstok);
2445 else
2446 el->props = NULL;
2447 if ((el->name == NULL) || (el->piclclass == NULL) ||
2448 (el->address == NULL) || (el->status == NULL)) {
2449 if (el->name)
2450 free(el->name);
2451 if (el->address)
2452 free(el->address);
2453 if (el->status)
2454 free(el->status);
2455 if (el->piclclass)
2456 free(el->piclclass);
2457 if (el->props)
2458 free(el->props);
2459 free(el);
2460 break;
2461 }
2462 el->next = NULL;
2463
2464 /*
2465 * Add it to the end of list
2466 */
2467 if (list == NULL)
2468 list = el;
2469 else {
2470 ptr = list;
2471 while (ptr->next != NULL)
2472 ptr = ptr->next;
2473 ptr->next = el;
2474 }
2475
2476 }
2477 (void) fclose(fp);
2478 return (list);
2479 }
2480
2481 /*
2482 * Process the asr conf file
2483 */
2484 static void
process_asrtree_conf_file(void)2485 process_asrtree_conf_file(void)
2486 {
2487 char nmbuf[SYS_NMLN];
2488 char pname[PATH_MAX];
2489
2490 if (sysinfo(SI_PLATFORM, nmbuf, sizeof (nmbuf)) != -1) {
2491 (void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf);
2492 (void) strlcat(pname, ASRTREE_CONFFILE_NAME, PATH_MAX);
2493 conf_name_asr_map = read_asr_conf_file(pname,
2494 conf_name_asr_map);
2495 }
2496
2497 if (sysinfo(SI_MACHINE, nmbuf, sizeof (nmbuf)) != -1) {
2498 (void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf);
2499 (void) strlcat(pname, ASRTREE_CONFFILE_NAME, PATH_MAX);
2500 conf_name_asr_map = read_asr_conf_file(pname,
2501 conf_name_asr_map);
2502 }
2503
2504 (void) snprintf(pname, PATH_MAX, "%s/%s", PICLD_COMMON_PLUGIN_DIR,
2505 ASRTREE_CONFFILE_NAME);
2506 conf_name_asr_map = read_asr_conf_file(pname, conf_name_asr_map);
2507 }
2508
2509 /*
2510 * This function reads the export file list from ASR
2511 */
2512 static int
get_asr_export_list(char ** exportlist,int * exportlistlen)2513 get_asr_export_list(char **exportlist, int *exportlistlen)
2514 {
2515 struct openpromio oppbuf;
2516 struct openpromio *opp = &oppbuf;
2517 int d;
2518 int listsize;
2519
2520 d = open("/dev/openprom", O_RDWR);
2521 if (d < 0)
2522 return (0);
2523
2524 if (ioctl(d, OPROMEXPORTLEN, opp) == -1) {
2525 (void) close(d);
2526 return (0);
2527 }
2528 listsize = opp->oprom_size;
2529 opp = (struct openpromio *)malloc(sizeof (struct openpromio) +
2530 listsize);
2531 if (opp == NULL) {
2532 (void) close(d);
2533 return (0);
2534 }
2535 (void) memset(opp, '\0', sizeof (struct openpromio) + listsize);
2536 opp->oprom_size = listsize;
2537 if (ioctl(d, OPROMEXPORT, opp) == -1) {
2538 free(opp);
2539 (void) close(d);
2540 return (0);
2541 }
2542 *exportlist = malloc(listsize);
2543 if (*exportlist == NULL) {
2544 free(opp);
2545 (void) close(d);
2546 return (0);
2547 }
2548 (void) memcpy(*exportlist, opp->oprom_array, opp->oprom_size);
2549 free(opp);
2550 *exportlistlen = opp->oprom_size;
2551 (void) close(d);
2552 return (1);
2553 }
2554
2555 /*
2556 * Parses properties string, fills in triplet structure with first
2557 * type, name, val triplet and returns pointer to next property.
2558 * Returns NULL if no valid triplet found
2559 * CAUTION: drops \0 characters over separator characters: if you
2560 * want to parse the string twice, you'll have to take a copy.
2561 */
2562 static char *
parse_props_string(char * props,asr_prop_triplet_t * triplet)2563 parse_props_string(char *props, asr_prop_triplet_t *triplet)
2564 {
2565 char *prop_name;
2566 char *prop_val;
2567 char *prop_next;
2568
2569 prop_name = strchr(props, '?');
2570 if (prop_name == NULL)
2571 return (NULL);
2572 *prop_name++ = '\0';
2573 prop_val = strchr(prop_name, '=');
2574 if (prop_val == NULL)
2575 return (NULL);
2576 *prop_val++ = '\0';
2577 triplet->proptype = props;
2578 triplet->propname = prop_name;
2579 triplet->propval = prop_val;
2580 prop_next = strchr(prop_val, ':');
2581 if (prop_next == NULL)
2582 return (prop_val - 1);
2583 *prop_next++ = '\0';
2584 return (prop_next);
2585 }
2586
2587 static int
add_status_prop(picl_nodehdl_t chdh,char * status)2588 add_status_prop(picl_nodehdl_t chdh, char *status)
2589 {
2590 ptree_propinfo_t propinfo;
2591 picl_prophdl_t proph;
2592 int err;
2593
2594 err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2595 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(status) + 1,
2596 PICL_PROP_STATUS, NULL, NULL);
2597 if (err != PICL_SUCCESS)
2598 return (err);
2599 err = ptree_create_and_add_prop(chdh, &propinfo, status, &proph);
2600 return (err);
2601 }
2602
2603 static void
create_asr_node(char * parent,char * child,char * unitaddr,char * class,char * status,char * props)2604 create_asr_node(char *parent, char *child, char *unitaddr, char *class,
2605 char *status, char *props)
2606 {
2607 char ptreepath[PATH_MAX];
2608 char nodename[PICL_PROPNAMELEN_MAX];
2609 char ua[MAX_UNIT_ADDRESS_LEN];
2610 char *props_copy = NULL;
2611 char *next;
2612 char *prop_string;
2613 boolean_t found = B_FALSE;
2614 picl_nodehdl_t nodeh;
2615 picl_nodehdl_t chdh;
2616 asr_prop_triplet_t triple;
2617 ptree_propinfo_t propinfo;
2618 picl_prophdl_t proph;
2619 int val;
2620 int err;
2621
2622 (void) strlcpy(ptreepath, PLATFORM_PATH, PATH_MAX);
2623 (void) strlcat(ptreepath, parent, PATH_MAX);
2624
2625 if (ptree_get_node_by_path(ptreepath, &nodeh) != PICL_SUCCESS)
2626 return;
2627 /*
2628 * see if the required child node already exists
2629 */
2630 for (err = ptree_get_propval_by_name(nodeh, PICL_PROP_CHILD, &chdh,
2631 sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND;
2632 err = ptree_get_propval_by_name(chdh, PICL_PROP_PEER, &chdh,
2633 sizeof (picl_nodehdl_t))) {
2634 if (err != PICL_SUCCESS)
2635 break;
2636 err = ptree_get_propval_by_name(chdh, PICL_PROP_NAME,
2637 (void *)nodename, PICL_PROPNAMELEN_MAX);
2638 if (err != PICL_SUCCESS)
2639 break;
2640 if (strcmp(nodename, child) != 0)
2641 continue;
2642 /*
2643 * found a candidate child node
2644 */
2645 if (unitaddr) {
2646 /*
2647 * does it match the required unit address?
2648 */
2649 err = ptree_get_propval_by_name(chdh,
2650 PICL_PROP_UNIT_ADDRESS, ua, sizeof (ua));
2651 if (err == PICL_PROPNOTFOUND)
2652 continue;
2653 if (err != PICL_SUCCESS)
2654 break;
2655 if (strcmp(unitaddr, ua) != 0)
2656 continue;
2657 }
2658 if (props == NULL) {
2659 next = "";
2660 } else if (props_copy == NULL) {
2661 props_copy = strdup(props);
2662 if (props_copy == NULL)
2663 return;
2664 next = props_copy;
2665 }
2666 while ((next = parse_props_string(next, &triple)) != NULL) {
2667 err = ptree_get_prop_by_name(chdh, triple.propname,
2668 &proph);
2669 if (err != PICL_SUCCESS)
2670 break;
2671 err = ptree_get_propinfo(proph, &propinfo);
2672 if (err != PICL_SUCCESS)
2673 break;
2674 err = PICL_FAILURE;
2675 switch (propinfo.piclinfo.type) {
2676 case PICL_PTYPE_INT:
2677 case PICL_PTYPE_UNSIGNED_INT:
2678 if (strcmp(triple.proptype, "I") != 0)
2679 break;
2680 err = ptree_get_propval(proph, (void *)&val,
2681 sizeof (val));
2682 if (err != PICL_SUCCESS)
2683 break;
2684 if (val != atoi(triple.propval))
2685 err = PICL_FAILURE;
2686 break;
2687 case PICL_PTYPE_CHARSTRING:
2688 if (strcmp(triple.proptype, "S") != 0)
2689 break;
2690 prop_string = malloc(propinfo.piclinfo.size);
2691 if (prop_string == NULL)
2692 break;
2693 err = ptree_get_propval(proph,
2694 (void *)prop_string,
2695 propinfo.piclinfo.size);
2696 if (err != PICL_SUCCESS) {
2697 free(prop_string);
2698 break;
2699 }
2700 if (strcmp(prop_string, triple.propval) != 0)
2701 err = PICL_FAILURE;
2702 free(prop_string);
2703 break;
2704 default:
2705 break;
2706 }
2707 if (err != PICL_SUCCESS) {
2708 break;
2709 }
2710 }
2711 if (next == NULL) {
2712 found = B_TRUE;
2713 break;
2714 }
2715 }
2716 if (props_copy)
2717 free(props_copy);
2718 if (found) {
2719 /*
2720 * does the pre-existing node have a status property?
2721 */
2722 err = ptree_get_propval_by_name(chdh, PICL_PROP_STATUS,
2723 ua, sizeof (ua));
2724 if (err == PICL_PROPNOTFOUND)
2725 (void) add_status_prop(chdh, status);
2726 if (err != PICL_SUCCESS)
2727 return;
2728 if ((strcmp(ua, ASR_DISABLED) == 0) ||
2729 (strcmp(ua, ASR_FAILED) == 0) ||
2730 ((strcmp(status, ASR_DISABLED) != 0) &&
2731 (strcmp(status, ASR_FAILED) != 0))) {
2732 return;
2733 }
2734 /*
2735 * more urgent status now, so replace existing value
2736 */
2737 err = ptree_get_prop_by_name(chdh, PICL_PROP_STATUS, &proph);
2738 if (err != PICL_SUCCESS)
2739 return;
2740 (void) ptree_delete_prop(proph);
2741 (void) ptree_destroy_prop(proph);
2742 err = add_status_prop(chdh, status);
2743 if (err != PICL_SUCCESS)
2744 return;
2745 return;
2746 }
2747
2748 /*
2749 * typical case, node needs adding together with a set of properties
2750 */
2751 if (ptree_create_and_add_node(nodeh, child, class, &chdh) ==
2752 PICL_SUCCESS) {
2753 (void) add_status_prop(chdh, status);
2754 if (unitaddr) {
2755 (void) ptree_init_propinfo(&propinfo,
2756 PTREE_PROPINFO_VERSION, PICL_PTYPE_CHARSTRING,
2757 PICL_READ, strlen(unitaddr) + 1,
2758 PICL_PROP_UNIT_ADDRESS, NULL, NULL);
2759 (void) ptree_create_and_add_prop(chdh, &propinfo,
2760 unitaddr, &proph);
2761 (void) strlcpy(ptreepath, parent, PATH_MAX);
2762 (void) strlcat(ptreepath, "/", PATH_MAX);
2763 (void) strlcat(ptreepath, child, PATH_MAX);
2764 (void) strlcat(ptreepath, "@", PATH_MAX);
2765 (void) strlcat(ptreepath, unitaddr, PATH_MAX);
2766 (void) ptree_init_propinfo(&propinfo,
2767 PTREE_PROPINFO_VERSION, PICL_PTYPE_CHARSTRING,
2768 PICL_READ, strlen(ptreepath) + 1,
2769 PICL_PROP_DEVFS_PATH, NULL, NULL);
2770 (void) ptree_create_and_add_prop(chdh, &propinfo,
2771 ptreepath, &proph);
2772 }
2773 next = props;
2774 while ((next = parse_props_string(next, &triple)) != NULL) {
2775 /*
2776 * only handle int and string properties for
2777 * simplicity
2778 */
2779 if (strcmp(triple.proptype, "I") == 0) {
2780 (void) ptree_init_propinfo(&propinfo,
2781 PTREE_PROPINFO_VERSION,
2782 PICL_PTYPE_INT, PICL_READ,
2783 sizeof (int), triple.propname, NULL, NULL);
2784 val = atoi(triple.propval);
2785 (void) ptree_create_and_add_prop(chdh,
2786 &propinfo, &val, &proph);
2787 } else {
2788 (void) ptree_init_propinfo(&propinfo,
2789 PTREE_PROPINFO_VERSION,
2790 PICL_PTYPE_CHARSTRING, PICL_READ,
2791 strlen(triple.propval) + 1,
2792 triple.propname, NULL, NULL);
2793 (void) ptree_create_and_add_prop(chdh,
2794 &propinfo, triple.propval, &proph);
2795 }
2796 }
2797 }
2798 }
2799
2800 static void
add_asr_nodes()2801 add_asr_nodes()
2802 {
2803 char *asrexport;
2804 int asrexportlen;
2805 asr_conf_entries_t *c = NULL;
2806 int i;
2807 char *key;
2808 char *child;
2809 char *unitaddr;
2810 uint16_t count;
2811 int disabled;
2812
2813 if (get_asr_export_list(&asrexport, &asrexportlen) == 0)
2814 return;
2815 process_asrtree_conf_file();
2816 if (conf_name_asr_map == NULL)
2817 return;
2818 i = 0;
2819 while (i < asrexportlen) {
2820 key = &asrexport[i];
2821 i += strlen(key) + 1;
2822 if (i >= asrexportlen)
2823 break;
2824
2825 /*
2826 * next byte tells us whether failed by diags or manually
2827 * disabled
2828 */
2829 disabled = asrexport[i];
2830 i++;
2831 if (i >= asrexportlen)
2832 break;
2833
2834 /*
2835 * only type 1 supported
2836 */
2837 if (asrexport[i] != 1)
2838 break;
2839 i++;
2840 if (i >= asrexportlen)
2841 break;
2842
2843 /*
2844 * next two bytes give size of reason string
2845 */
2846 count = (asrexport[i] << 8) | asrexport[i + 1];
2847 i += count + 2;
2848 if (i > asrexportlen)
2849 break;
2850
2851 /*
2852 * now look for key in conf file info
2853 */
2854 c = conf_name_asr_map;
2855 while (c != NULL) {
2856 if (strcmp(key, c->name) == 0) {
2857 child = strrchr(c->address, '/');
2858 *child++ = '\0';
2859 unitaddr = strchr(child, '@');
2860 if (unitaddr)
2861 *unitaddr++ = '\0';
2862 if (strcmp(c->status, ASR_DISABLED) == 0) {
2863 create_asr_node(c->address, child,
2864 unitaddr, c->piclclass, disabled ?
2865 ASR_DISABLED : ASR_FAILED,
2866 c->props);
2867 } else {
2868 create_asr_node(c->address, child,
2869 unitaddr, c->piclclass, c->status,
2870 c->props);
2871 }
2872 }
2873 c = c->next;
2874 }
2875 }
2876
2877 free_asr_conf_entries(conf_name_asr_map);
2878 free(asrexport);
2879 }
2880
2881 /*
2882 * This function adds information to the /platform node
2883 */
2884 static int
add_platform_info(picl_nodehdl_t plafh)2885 add_platform_info(picl_nodehdl_t plafh)
2886 {
2887 struct utsname uts_info;
2888 int err;
2889 ptree_propinfo_t propinfo;
2890 picl_prophdl_t proph;
2891
2892 if (uname(&uts_info) < 0)
2893 return (PICL_FAILURE);
2894
2895 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2896 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.sysname) + 1,
2897 PICL_PROP_SYSNAME, NULL, NULL);
2898 err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.sysname,
2899 &proph);
2900 if (err != PICL_SUCCESS)
2901 return (err);
2902
2903 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2904 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.nodename) + 1,
2905 PICL_PROP_NODENAME, NULL, NULL);
2906 err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.nodename,
2907 &proph);
2908 if (err != PICL_SUCCESS)
2909 return (err);
2910
2911 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2912 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.release) + 1,
2913 PICL_PROP_RELEASE, NULL, NULL);
2914 err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.release,
2915 &proph);
2916 if (err != PICL_SUCCESS)
2917 return (err);
2918
2919 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2920 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.version) + 1,
2921 PICL_PROP_VERSION, NULL, NULL);
2922 err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.version,
2923 &proph);
2924 if (err != PICL_SUCCESS)
2925 return (err);
2926
2927 (void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2928 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.machine) + 1,
2929 PICL_PROP_MACHINE, NULL, NULL);
2930 err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.machine,
2931 &proph);
2932 return (err);
2933 }
2934
2935 /*
2936 * Get first 32-bit value from the reg property
2937 */
2938 static int
get_first_reg_word(picl_nodehdl_t nodeh,uint32_t * regval)2939 get_first_reg_word(picl_nodehdl_t nodeh, uint32_t *regval)
2940 {
2941 int err;
2942 uint32_t *regbuf;
2943 picl_prophdl_t regh;
2944 ptree_propinfo_t pinfo;
2945
2946 err = ptree_get_prop_by_name(nodeh, OBP_REG, ®h);
2947 if (err != PICL_SUCCESS) /* no reg property */
2948 return (err);
2949 err = ptree_get_propinfo(regh, &pinfo);
2950 if (err != PICL_SUCCESS)
2951 return (err);
2952 if (pinfo.piclinfo.size < sizeof (uint32_t)) /* too small */
2953 return (PICL_FAILURE);
2954 regbuf = alloca(pinfo.piclinfo.size);
2955 if (regbuf == NULL)
2956 return (PICL_FAILURE);
2957 err = ptree_get_propval(regh, regbuf, pinfo.piclinfo.size);
2958 if (err != PICL_SUCCESS)
2959 return (err);
2960 *regval = *regbuf; /* get first 32-bit value */
2961 return (PICL_SUCCESS);
2962 }
2963
2964 /*
2965 * Get device ID from the reg property
2966 */
2967 static int
get_device_id(picl_nodehdl_t nodeh,uint32_t * dev_id)2968 get_device_id(picl_nodehdl_t nodeh, uint32_t *dev_id)
2969 {
2970 int err;
2971 uint32_t regval;
2972
2973 err = get_first_reg_word(nodeh, ®val);
2974 if (err != PICL_SUCCESS)
2975 return (err);
2976
2977 *dev_id = PCI_DEVICE_ID(regval);
2978 return (PICL_SUCCESS);
2979 }
2980
2981 /*
2982 * add Slot property for children of SBUS node
2983 */
2984 /* ARGSUSED */
2985 static int
add_sbus_slots(picl_nodehdl_t pcih,void * args)2986 add_sbus_slots(picl_nodehdl_t pcih, void *args)
2987 {
2988 picl_nodehdl_t nodeh;
2989 uint32_t slot;
2990 int err;
2991 ptree_propinfo_t pinfo;
2992
2993 for (err = ptree_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh,
2994 sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND;
2995 err = ptree_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh,
2996 sizeof (picl_nodehdl_t))) {
2997 if (err != PICL_SUCCESS)
2998 return (err);
2999
3000 if (get_first_reg_word(nodeh, &slot) != 0)
3001 continue;
3002 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
3003 PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (uint32_t),
3004 PICL_PROP_SLOT, NULL, NULL);
3005 (void) ptree_create_and_add_prop(nodeh, &pinfo, &slot, NULL);
3006 }
3007
3008 return (PICL_WALK_CONTINUE);
3009 }
3010
3011 /*
3012 * This function creates a Slot property for SBUS child nodes
3013 * which can be correlated with the slot they are plugged into
3014 * on the motherboard.
3015 */
3016 static int
set_sbus_slot(picl_nodehdl_t plafh)3017 set_sbus_slot(picl_nodehdl_t plafh)
3018 {
3019 int err;
3020
3021 err = ptree_walk_tree_by_class(plafh, PICL_CLASS_SBUS, NULL,
3022 add_sbus_slots);
3023
3024 return (err);
3025 }
3026
3027 /*
3028 * add DeviceID property for children of PCI/PCIEX node
3029 */
3030 /* ARGSUSED */
3031 static int
add_pci_deviceids(picl_nodehdl_t pcih,void * args)3032 add_pci_deviceids(picl_nodehdl_t pcih, void *args)
3033 {
3034 picl_nodehdl_t nodeh;
3035 uint32_t dev_id;
3036 int err;
3037 ptree_propinfo_t pinfo;
3038
3039 for (err = ptree_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh,
3040 sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND;
3041 err = ptree_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh,
3042 sizeof (picl_nodehdl_t))) {
3043 if (err != PICL_SUCCESS)
3044 return (err);
3045
3046 if (get_device_id(nodeh, &dev_id) != 0)
3047 continue;
3048 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
3049 PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (uint32_t),
3050 PICL_PROP_DEVICE_ID, NULL, NULL);
3051 (void) ptree_create_and_add_prop(nodeh, &pinfo, &dev_id, NULL);
3052 }
3053
3054 return (PICL_WALK_CONTINUE);
3055 }
3056
3057 /*
3058 * This function creates a DeviceID property for PCI/PCIEX child nodes
3059 * which can be correlated with the slot they are plugged into
3060 * on the motherboard.
3061 */
3062 static void
set_pci_pciex_deviceid(picl_nodehdl_t plafh)3063 set_pci_pciex_deviceid(picl_nodehdl_t plafh)
3064 {
3065 (void) ptree_walk_tree_by_class(plafh, PICL_CLASS_PCI, NULL,
3066 add_pci_deviceids);
3067
3068 (void) ptree_walk_tree_by_class(plafh, PICL_CLASS_PCIEX, NULL,
3069 add_pci_deviceids);
3070 }
3071
3072 /*
3073 * Default UnitAddress encode function
3074 */
3075 static int
encode_default_unitaddr(char * buf,int sz,uint32_t * regprop,uint_t addrcells)3076 encode_default_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells)
3077 {
3078 int i, len;
3079
3080 /*
3081 * Encode UnitAddress as %a,%b,%c,...,%n
3082 */
3083 if (addrcells < 1)
3084 return (-1);
3085
3086 len = snprintf(buf, sz, "%x", *regprop);
3087 for (i = 1; i < addrcells && len < sz; i++)
3088 len += snprintf(&buf[len], sz-len, ",%x", regprop[i]);
3089
3090 return ((len >= sz) ? -1 : 0);
3091 }
3092
3093 /*
3094 * UnitAddress encode function where the last component is not printed
3095 * unless non-zero.
3096 */
3097 static int
encode_optional_unitaddr(char * buf,int sz,uint32_t * regprop,uint_t addrcells)3098 encode_optional_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells)
3099 {
3100 int retval;
3101
3102 /*
3103 * Encode UnitAddress as %a,%b,%c,...,%n where the last component
3104 * is printed only if non-zero.
3105 */
3106 if (addrcells > 1 && regprop[addrcells-1] == 0)
3107 retval = encode_default_unitaddr(buf, sz, regprop, addrcells-1);
3108 else
3109 retval = encode_default_unitaddr(buf, sz, regprop, addrcells);
3110
3111 return (retval);
3112 }
3113
3114
3115 /*
3116 * UnitAddress encode function for SCSI class of devices
3117 */
3118 static int
encode_scsi_unitaddr(char * buf,int sz,uint32_t * regprop,uint_t addrcells)3119 encode_scsi_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells)
3120 {
3121 int len, retval;
3122
3123 /*
3124 * #address-cells Format
3125 * 2 second component printed only if non-zero
3126 *
3127 * 4 regprop: phys_hi phys_lo lun_hi lun_lo
3128 * UnitAddr: w<phys_hi><phys_lo>,<lun_lo>
3129 */
3130
3131 if (addrcells == 2) {
3132 retval = encode_optional_unitaddr(buf, sz, regprop, addrcells);
3133 } else if (addrcells == 4) {
3134 len = snprintf(buf, sz, "w%08x%08x,%x", regprop[0], regprop[1],
3135 regprop[3]);
3136 retval = (len >= sz) ? -1 : 0;
3137 } else
3138 retval = -1;
3139
3140 return (retval);
3141 }
3142
3143 /*
3144 * UnitAddress encode function for UPA devices
3145 */
3146 static int
encode_upa_unitaddr(char * buf,int sz,uint32_t * regprop,uint_t addrcells)3147 encode_upa_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells)
3148 {
3149 int len;
3150
3151 if (addrcells != 2)
3152 return (-1);
3153
3154 len = snprintf(buf, sz, "%x,%x", (regprop[0]/2)&0x1f, regprop[1]);
3155 return ((len >= sz) ? -1 : 0);
3156 }
3157
3158 /*
3159 * UnitAddress encode function for GPTWO, JBUS devices
3160 */
3161 static int
encode_gptwo_jbus_unitaddr(char * buf,int sz,uint32_t * regprop,uint_t addrcells)3162 encode_gptwo_jbus_unitaddr(char *buf, int sz, uint32_t *regprop,
3163 uint_t addrcells)
3164 {
3165 uint32_t hi, lo;
3166 int len, id, off;
3167
3168 if (addrcells != 2)
3169 return (-1);
3170
3171 hi = regprop[0];
3172 lo = regprop[1];
3173
3174 if (hi & 0x400) {
3175 id = ((hi & 0x1) << 9) | (lo >> 23); /* agent id */
3176 off = lo & 0x7fffff; /* config offset */
3177 len = snprintf(buf, sz, "%x,%x", id, off);
3178 } else {
3179 len = snprintf(buf, sz, "m%x,%x", hi, lo);
3180 }
3181 return ((len >= sz) ? -1 : 0);
3182 }
3183
3184 /*
3185 * UnitAddress encode function for PCI devices
3186 */
3187 static int
encode_pci_unitaddr(char * buf,int sz,uint32_t * regprop,uint_t addrcells)3188 encode_pci_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells)
3189 {
3190 typedef struct {
3191 uint32_t n:1, /* relocatable */
3192 p:1, /* prefetchable */
3193 t:1, /* address region aliases */
3194 zero:3, /* must be zero */
3195 ss:2, /* address space type */
3196 bus:8, /* bus number */
3197 dev:5, /* device number */
3198 fn:3, /* function number */
3199 reg:8; /* register number */
3200 uint32_t phys_hi; /* high physical address */
3201 uint32_t phys_lo; /* low physical address */
3202 } pci_addrcell_t;
3203
3204 pci_addrcell_t *p;
3205 int len;
3206
3207 if (addrcells != 3)
3208 return (-1);
3209
3210 p = (pci_addrcell_t *)regprop;
3211 switch (p->ss) {
3212 case 0: /* Config */
3213 if (p->fn)
3214 len = snprintf(buf, sz, "%x,%x", p->dev, p->fn);
3215 else
3216 len = snprintf(buf, sz, "%x", p->dev);
3217 break;
3218 case 1: /* IO */
3219 len = snprintf(buf, sz, "i%x,%x,%x,%x", p->dev, p->fn, p->reg,
3220 p->phys_lo);
3221 break;
3222 case 2: /* Mem32 */
3223 len = snprintf(buf, sz, "m%x,%x,%x,%x", p->dev, p->fn, p->reg,
3224 p->phys_lo);
3225 break;
3226 case 3: /* Mem64 */
3227 len = snprintf(buf, sz, "x%x,%x,%x,%x%08x", p->dev, p->fn,
3228 p->reg, p->phys_hi, p->phys_lo);
3229 break;
3230 }
3231 return ((len >= sz) ? -1 : 0);
3232 }
3233
3234 /*
3235 * Get #address-cells property value
3236 */
3237 static uint_t
get_addrcells_prop(picl_nodehdl_t nodeh)3238 get_addrcells_prop(picl_nodehdl_t nodeh)
3239 {
3240 int len, err;
3241 uint32_t addrcells;
3242 ptree_propinfo_t pinfo;
3243 picl_prophdl_t proph;
3244
3245 /*
3246 * Get #address-cells property. If not present, use default value.
3247 */
3248 err = ptree_get_prop_by_name(nodeh, OBP_PROP_ADDRESS_CELLS, &proph);
3249 if (err == PICL_SUCCESS)
3250 err = ptree_get_propinfo(proph, &pinfo);
3251
3252 len = pinfo.piclinfo.size;
3253 if (err == PICL_SUCCESS && len >= sizeof (uint8_t) &&
3254 len <= sizeof (addrcells)) {
3255 err = ptree_get_propval(proph, &addrcells, len);
3256 if (err == PICL_SUCCESS) {
3257 if (len == sizeof (uint8_t))
3258 addrcells = *(uint8_t *)&addrcells;
3259 else if (len == sizeof (uint16_t))
3260 addrcells = *(uint16_t *)&addrcells;
3261 } else
3262 addrcells = DEFAULT_ADDRESS_CELLS;
3263 } else
3264 addrcells = DEFAULT_ADDRESS_CELLS;
3265
3266 return (addrcells);
3267 }
3268
3269 /*
3270 * Get UnitAddress mapping entry for a node
3271 */
3272 static unitaddr_map_t *
get_unitaddr_mapping(picl_nodehdl_t nodeh)3273 get_unitaddr_mapping(picl_nodehdl_t nodeh)
3274 {
3275 int err;
3276 unitaddr_map_t *uamap;
3277 char clname[PICL_CLASSNAMELEN_MAX];
3278
3279 /*
3280 * Get my classname and locate a function to translate "reg" prop
3281 * into "UnitAddress" prop for my children.
3282 */
3283 err = ptree_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME, clname,
3284 sizeof (clname));
3285 if (err != PICL_SUCCESS)
3286 (void) strcpy(clname, ""); /* NULL class name */
3287
3288 for (uamap = &unitaddr_map_table[0]; uamap->class != NULL; uamap++)
3289 if (strcmp(clname, uamap->class) == 0)
3290 break;
3291
3292 return (uamap);
3293 }
3294
3295 /*
3296 * Add UnitAddress property to the specified node
3297 */
3298 static int
add_unitaddr_prop(picl_nodehdl_t nodeh,unitaddr_map_t * uamap,uint_t addrcells)3299 add_unitaddr_prop(picl_nodehdl_t nodeh, unitaddr_map_t *uamap, uint_t addrcells)
3300 {
3301 int regproplen, err;
3302 uint32_t *regbuf;
3303 picl_prophdl_t regh;
3304 ptree_propinfo_t pinfo;
3305 char unitaddr[MAX_UNIT_ADDRESS_LEN];
3306
3307 err = ptree_get_prop_by_name(nodeh, OBP_REG, ®h);
3308 if (err != PICL_SUCCESS)
3309 return (err);
3310
3311 err = ptree_get_propinfo(regh, &pinfo);
3312 if (err != PICL_SUCCESS)
3313 return (PICL_FAILURE);
3314
3315 if (pinfo.piclinfo.size < (addrcells * sizeof (uint32_t)))
3316 return (PICL_FAILURE);
3317
3318 regproplen = pinfo.piclinfo.size;
3319 regbuf = alloca(regproplen);
3320 if (regbuf == NULL)
3321 return (PICL_FAILURE);
3322
3323 err = ptree_get_propval(regh, regbuf, regproplen);
3324 if (err != PICL_SUCCESS || uamap->func == NULL ||
3325 (uamap->addrcellcnt && uamap->addrcellcnt != addrcells) ||
3326 (uamap->func)(unitaddr, sizeof (unitaddr), regbuf,
3327 addrcells) != 0) {
3328 return (PICL_FAILURE);
3329 }
3330
3331 err = ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
3332 PICL_PTYPE_CHARSTRING, PICL_READ, strlen(unitaddr)+1,
3333 PICL_PROP_UNIT_ADDRESS, NULL, NULL);
3334 if (err == PICL_SUCCESS)
3335 err = ptree_create_and_add_prop(nodeh, &pinfo, unitaddr, NULL);
3336
3337 return (err);
3338 }
3339
3340 /*
3341 * work out UnitAddress property of the specified node
3342 */
3343 static int
get_unitaddr(picl_nodehdl_t parh,picl_nodehdl_t nodeh,char * unitaddr,size_t ualen)3344 get_unitaddr(picl_nodehdl_t parh, picl_nodehdl_t nodeh, char *unitaddr,
3345 size_t ualen)
3346 {
3347 int regproplen, err;
3348 uint32_t *regbuf;
3349 picl_prophdl_t regh;
3350 ptree_propinfo_t pinfo;
3351 unitaddr_map_t *uamap;
3352 uint32_t addrcells;
3353
3354 addrcells = get_addrcells_prop(parh);
3355 uamap = get_unitaddr_mapping(parh);
3356
3357 err = ptree_get_prop_by_name(nodeh, OBP_REG, ®h);
3358 if (err != PICL_SUCCESS)
3359 return (err);
3360
3361 err = ptree_get_propinfo(regh, &pinfo);
3362 if (err != PICL_SUCCESS)
3363 return (err);
3364
3365 if (pinfo.piclinfo.size < (addrcells * sizeof (uint32_t)))
3366 return (PICL_FAILURE);
3367
3368 regproplen = pinfo.piclinfo.size;
3369 regbuf = alloca(regproplen);
3370 if (regbuf == NULL)
3371 return (PICL_FAILURE);
3372
3373 err = ptree_get_propval(regh, regbuf, regproplen);
3374 if (err != PICL_SUCCESS || uamap->func == NULL ||
3375 (uamap->addrcellcnt && uamap->addrcellcnt != addrcells) ||
3376 (uamap->func)(unitaddr, ualen, regbuf, addrcells) != 0) {
3377 return (PICL_FAILURE);
3378 }
3379 return (PICL_SUCCESS);
3380 }
3381
3382 /*
3383 * Add UnitAddress property to all children of the specified node
3384 */
3385 static int
add_unitaddr_prop_to_subtree(picl_nodehdl_t nodeh)3386 add_unitaddr_prop_to_subtree(picl_nodehdl_t nodeh)
3387 {
3388 int err;
3389 picl_nodehdl_t chdh;
3390 unitaddr_map_t *uamap;
3391 uint32_t addrcells;
3392
3393 /*
3394 * Get #address-cells and unit address mapping entry for my
3395 * node's class
3396 */
3397 addrcells = get_addrcells_prop(nodeh);
3398 uamap = get_unitaddr_mapping(nodeh);
3399
3400 /*
3401 * Add UnitAddress property to my children and their subtree
3402 */
3403 err = ptree_get_propval_by_name(nodeh, PICL_PROP_CHILD, &chdh,
3404 sizeof (picl_nodehdl_t));
3405
3406 while (err == PICL_SUCCESS) {
3407 (void) add_unitaddr_prop(chdh, uamap, addrcells);
3408 (void) add_unitaddr_prop_to_subtree(chdh);
3409
3410 err = ptree_get_propval_by_name(chdh, PICL_PROP_PEER, &chdh,
3411 sizeof (picl_nodehdl_t));
3412 }
3413
3414 return (PICL_SUCCESS);
3415 }
3416
3417 static int
update_memory_size_prop(picl_nodehdl_t plafh)3418 update_memory_size_prop(picl_nodehdl_t plafh)
3419 {
3420 picl_nodehdl_t memh;
3421 picl_prophdl_t proph;
3422 ptree_propinfo_t pinfo;
3423 int err, nspecs, snum, pval;
3424 char *regbuf;
3425 memspecs_t *mspecs;
3426 uint64_t memsize;
3427
3428 /*
3429 * check if the #size-cells of the platform node is 2
3430 */
3431 err = ptree_get_propval_by_name(plafh, OBP_PROP_SIZE_CELLS, &pval,
3432 sizeof (pval));
3433
3434 if (err == PICL_PROPNOTFOUND)
3435 pval = SUPPORTED_NUM_CELL_SIZE;
3436 else if (err != PICL_SUCCESS)
3437 return (err);
3438
3439 /*
3440 * don't know how to handle other vals
3441 */
3442 if (pval != SUPPORTED_NUM_CELL_SIZE)
3443 return (PICL_FAILURE);
3444
3445 err = ptree_get_node_by_path(MEMORY_PATH, &memh);
3446 if (err != PICL_SUCCESS)
3447 return (err);
3448
3449 /*
3450 * Get the REG property to calculate the size of memory
3451 */
3452 err = ptree_get_prop_by_name(memh, OBP_REG, &proph);
3453 if (err != PICL_SUCCESS)
3454 return (err);
3455
3456 err = ptree_get_propinfo(proph, &pinfo);
3457 if (err != PICL_SUCCESS)
3458 return (err);
3459
3460 regbuf = alloca(pinfo.piclinfo.size);
3461 if (regbuf == NULL)
3462 return (PICL_FAILURE);
3463
3464 err = ptree_get_propval(proph, regbuf, pinfo.piclinfo.size);
3465 if (err != PICL_SUCCESS)
3466 return (err);
3467
3468 mspecs = (memspecs_t *)regbuf;
3469 nspecs = pinfo.piclinfo.size / sizeof (memspecs_t);
3470
3471 memsize = 0;
3472 for (snum = 0; snum < nspecs; ++snum)
3473 memsize += mspecs[snum].size;
3474
3475 err = ptree_get_prop_by_name(memh, PICL_PROP_SIZE, &proph);
3476 if (err == PICL_SUCCESS) {
3477 err = ptree_update_propval(proph, &memsize, sizeof (memsize));
3478 return (err);
3479 }
3480
3481 /*
3482 * Add the size property
3483 */
3484 (void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
3485 PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (memsize),
3486 PICL_PROP_SIZE, NULL, NULL);
3487 err = ptree_create_and_add_prop(memh, &pinfo, &memsize, NULL);
3488 return (err);
3489 }
3490
3491 /*
3492 * This function is executed as part of .init when the plugin is
3493 * dlopen()ed
3494 */
3495 static void
picldevtree_register(void)3496 picldevtree_register(void)
3497 {
3498 if (getenv(SUNW_PICLDEVTREE_PLUGIN_DEBUG))
3499 picldevtree_debug = 1;
3500 (void) picld_plugin_register(&my_reg_info);
3501 }
3502
3503 /*
3504 * This function is the init entry point of the plugin.
3505 * It initializes the /platform tree based on libdevinfo
3506 */
3507 static void
picldevtree_init(void)3508 picldevtree_init(void)
3509 {
3510 picl_nodehdl_t rhdl;
3511 int err;
3512 struct utsname utsname;
3513 picl_nodehdl_t plafh;
3514
3515 if (uname(&utsname) < 0)
3516 return;
3517
3518 (void) strcpy(mach_name, utsname.machine);
3519
3520 if (strcmp(mach_name, "sun4u") == 0) {
3521 builtin_map_ptr = sun4u_map;
3522 builtin_map_size = sizeof (sun4u_map) / sizeof (builtin_map_t);
3523 } else if (strcmp(mach_name, "sun4v") == 0) {
3524 builtin_map_ptr = sun4u_map;
3525 builtin_map_size = sizeof (sun4u_map) / sizeof (builtin_map_t);
3526 } else if (strcmp(mach_name, "i86pc") == 0) {
3527 builtin_map_ptr = i86pc_map;
3528 builtin_map_size = sizeof (i86pc_map) / sizeof (builtin_map_t);
3529 } else {
3530 builtin_map_ptr = NULL;
3531 builtin_map_size = 0;
3532 }
3533
3534 err = ptree_get_root(&rhdl);
3535 if (err != PICL_SUCCESS) {
3536 syslog(LOG_ERR, DEVINFO_PLUGIN_INIT_FAILED);
3537 return;
3538 }
3539
3540 process_devtree_conf_file();
3541
3542 if (libdevinfo_init(rhdl) != PICL_SUCCESS) {
3543 syslog(LOG_ERR, DEVINFO_PLUGIN_INIT_FAILED);
3544 return;
3545 }
3546
3547 err = ptree_get_node_by_path(PLATFORM_PATH, &plafh);
3548 if (err != PICL_SUCCESS)
3549 return;
3550
3551 (void) add_unitaddr_prop_to_subtree(plafh);
3552
3553 add_asr_nodes();
3554
3555 (void) update_memory_size_prop(plafh);
3556
3557 (void) setup_cpus(plafh);
3558
3559 (void) add_ffb_config_info(plafh);
3560
3561 (void) add_platform_info(plafh);
3562
3563 set_pci_pciex_deviceid(plafh);
3564
3565 (void) set_sbus_slot(plafh);
3566
3567 (void) ptree_register_handler(PICLEVENT_SYSEVENT_DEVICE_ADDED,
3568 picldevtree_evhandler, NULL);
3569 (void) ptree_register_handler(PICLEVENT_SYSEVENT_DEVICE_REMOVED,
3570 picldevtree_evhandler, NULL);
3571 (void) ptree_register_handler(PICLEVENT_CPU_STATE_CHANGE,
3572 picldevtree_evhandler, NULL);
3573 (void) ptree_register_handler(PICLEVENT_DR_AP_STATE_CHANGE,
3574 picldevtree_evhandler, NULL);
3575 }
3576
3577 /*
3578 * This function is the fini entry point of the plugin
3579 */
3580 static void
picldevtree_fini(void)3581 picldevtree_fini(void)
3582 {
3583 /* First unregister the event handlers */
3584 (void) ptree_unregister_handler(PICLEVENT_SYSEVENT_DEVICE_ADDED,
3585 picldevtree_evhandler, NULL);
3586 (void) ptree_unregister_handler(PICLEVENT_SYSEVENT_DEVICE_REMOVED,
3587 picldevtree_evhandler, NULL);
3588 (void) ptree_unregister_handler(PICLEVENT_CPU_STATE_CHANGE,
3589 picldevtree_evhandler, NULL);
3590 (void) ptree_unregister_handler(PICLEVENT_DR_AP_STATE_CHANGE,
3591 picldevtree_evhandler, NULL);
3592
3593 conf_name_class_map = free_conf_entries(conf_name_class_map);
3594 }
3595
3596 /*
3597 * This function is the event handler of this plug-in.
3598 *
3599 * It processes the following events:
3600 *
3601 * PICLEVENT_SYSEVENT_DEVICE_ADDED
3602 * PICLEVENT_SYSEVENT_DEVICE_REMOVED
3603 * PICLEVENT_CPU_STATE_CHANGE
3604 * PICLEVENT_DR_AP_STATE_CHANGE
3605 */
3606 /* ARGSUSED */
3607 static void
picldevtree_evhandler(const char * ename,const void * earg,size_t size,void * cookie)3608 picldevtree_evhandler(const char *ename, const void *earg, size_t size,
3609 void *cookie)
3610 {
3611 char *devfs_path;
3612 char ptreepath[PATH_MAX];
3613 char dipath[PATH_MAX];
3614 picl_nodehdl_t plafh;
3615 picl_nodehdl_t nodeh;
3616 nvlist_t *nvlp;
3617
3618 if ((earg == NULL) ||
3619 (ptree_get_node_by_path(PLATFORM_PATH, &plafh) != PICL_SUCCESS))
3620 return;
3621
3622 if (strcmp(ename, PICLEVENT_DR_AP_STATE_CHANGE) == 0) {
3623 (void) setup_cpus(plafh);
3624 if (picldevtree_debug > 1)
3625 syslog(LOG_INFO, "picldevtree: event handler done\n");
3626 return;
3627 }
3628
3629 nvlp = NULL;
3630 if (nvlist_unpack((char *)earg, size, &nvlp, NULL) ||
3631 nvlist_lookup_string(nvlp, PICLEVENTARG_DEVFS_PATH, &devfs_path) ||
3632 strlen(devfs_path) > (PATH_MAX - sizeof (PLATFORM_PATH))) {
3633 syslog(LOG_INFO, PICL_EVENT_DROPPED, ename);
3634 if (nvlp)
3635 nvlist_free(nvlp);
3636 return;
3637 }
3638
3639 (void) strlcpy(ptreepath, PLATFORM_PATH, PATH_MAX);
3640 (void) strlcat(ptreepath, devfs_path, PATH_MAX);
3641 (void) strlcpy(dipath, devfs_path, PATH_MAX);
3642 nvlist_free(nvlp);
3643
3644 if (picldevtree_debug)
3645 syslog(LOG_INFO, "picldevtree: event handler invoked ename:%s "
3646 "ptreepath:%s\n", ename, ptreepath);
3647
3648 if (strcmp(ename, PICLEVENT_CPU_STATE_CHANGE) == 0) {
3649 goto done;
3650 }
3651 if (strcmp(ename, PICLEVENT_SYSEVENT_DEVICE_ADDED) == 0) {
3652 di_node_t devnode;
3653 char *strp;
3654 picl_nodehdl_t parh;
3655 char nodeclass[PICL_CLASSNAMELEN_MAX];
3656 char *nodename;
3657 int err;
3658
3659 /* If the node already exist, then nothing else to do here */
3660 if (ptree_get_node_by_path(ptreepath, &nodeh) == PICL_SUCCESS)
3661 return;
3662
3663 /* Skip if unable to find parent PICL node handle */
3664 parh = plafh;
3665 if (((strp = strrchr(ptreepath, '/')) != NULL) &&
3666 (strp != strchr(ptreepath, '/'))) {
3667 *strp = '\0';
3668 if (ptree_get_node_by_path(ptreepath, &parh) !=
3669 PICL_SUCCESS)
3670 return;
3671 }
3672
3673 /*
3674 * If parent is the root node
3675 */
3676 if (parh == plafh) {
3677 ph = di_prom_init();
3678 devnode = di_init(dipath, DINFOCPYALL);
3679 if (devnode == DI_NODE_NIL) {
3680 if (ph != NULL) {
3681 di_prom_fini(ph);
3682 ph = NULL;
3683 }
3684 return;
3685 }
3686 nodename = di_node_name(devnode);
3687 if (nodename == NULL) {
3688 di_fini(devnode);
3689 if (ph != NULL) {
3690 di_prom_fini(ph);
3691 ph = NULL;
3692 }
3693 return;
3694 }
3695
3696 err = get_node_class(nodeclass, devnode, nodename);
3697 if (err < 0) {
3698 di_fini(devnode);
3699 if (ph != NULL) {
3700 di_prom_fini(ph);
3701 ph = NULL;
3702 }
3703 return;
3704 }
3705 err = construct_devtype_node(plafh, nodename,
3706 nodeclass, devnode, &nodeh);
3707 if (err != PICL_SUCCESS) {
3708 di_fini(devnode);
3709 if (ph != NULL) {
3710 di_prom_fini(ph);
3711 ph = NULL;
3712 }
3713 return;
3714 }
3715 (void) update_subtree(nodeh, devnode);
3716 (void) add_unitaddr_prop_to_subtree(nodeh);
3717 if (ph != NULL) {
3718 di_prom_fini(ph);
3719 ph = NULL;
3720 }
3721 di_fini(devnode);
3722 goto done;
3723 }
3724
3725 /* kludge ... try without bus-addr first */
3726 if ((strp = strrchr(dipath, '@')) != NULL) {
3727 char *p;
3728
3729 p = strrchr(dipath, '/');
3730 if (p != NULL && strp > p) {
3731 *strp = '\0';
3732 devnode = di_init(dipath, DINFOCPYALL);
3733 if (devnode != DI_NODE_NIL)
3734 di_fini(devnode);
3735 *strp = '@';
3736 }
3737 }
3738 /* Get parent devnode */
3739 if ((strp = strrchr(dipath, '/')) != NULL)
3740 *++strp = '\0';
3741 devnode = di_init(dipath, DINFOCPYALL);
3742 if (devnode == DI_NODE_NIL)
3743 return;
3744 ph = di_prom_init();
3745 (void) update_subtree(parh, devnode);
3746 (void) add_unitaddr_prop_to_subtree(parh);
3747 if (ph) {
3748 di_prom_fini(ph);
3749 ph = NULL;
3750 }
3751 di_fini(devnode);
3752 } else if (strcmp(ename, PICLEVENT_SYSEVENT_DEVICE_REMOVED) == 0) {
3753 char delclass[PICL_CLASSNAMELEN_MAX];
3754 char *strp;
3755
3756 /*
3757 * if final element of path doesn't have a unit address
3758 * then it is not uniquely identifiable - cannot remove
3759 */
3760 if (((strp = strrchr(ptreepath, '/')) != NULL) &&
3761 strchr(strp, '@') == NULL)
3762 return;
3763
3764 /* skip if can't find the node */
3765 if (ptree_get_node_by_path(ptreepath, &nodeh) != PICL_SUCCESS)
3766 return;
3767
3768 if (ptree_delete_node(nodeh) != PICL_SUCCESS)
3769 return;
3770
3771 if (picldevtree_debug)
3772 syslog(LOG_INFO,
3773 "picldevtree: deleted node nodeh:%llx\n", nodeh);
3774 if ((ptree_get_propval_by_name(nodeh,
3775 PICL_PROP_CLASSNAME, delclass, PICL_CLASSNAMELEN_MAX) ==
3776 PICL_SUCCESS) && IS_MC(delclass)) {
3777 if (post_mc_event(PICLEVENT_MC_REMOVED, nodeh) !=
3778 PICL_SUCCESS)
3779 syslog(LOG_WARNING, PICL_EVENT_DROPPED,
3780 PICLEVENT_MC_REMOVED);
3781 } else
3782 (void) ptree_destroy_node(nodeh);
3783 }
3784 done:
3785 (void) setup_cpus(plafh);
3786 (void) add_ffb_config_info(plafh);
3787 set_pci_pciex_deviceid(plafh);
3788 (void) set_sbus_slot(plafh);
3789 if (picldevtree_debug > 1)
3790 syslog(LOG_INFO, "picldevtree: event handler done\n");
3791 }
3792