Print this page
PSARC 2009/104 Hot-Plug Support for ACPI-based Systems
6846955 Device tree creation and acpi virtual nexus driver for acpi based x86 systems
6849408 device match rule in ppm.conf is not flexible


   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 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 
  26 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27 
  28 /*
  29  * ppm driver subroutines
  30  */
  31 
  32 #include <sys/open.h>
  33 #include <sys/file.h>
  34 #include <sys/conf.h>
  35 #include <sys/epm.h>
  36 #include <sys/sunldi.h>
  37 #include <sys/ppmvar.h>
  38 #include <sys/ppmio.h>
  39 #include <sys/promif.h>
  40 #include <sys/ddi_impldefs.h>
  41 #include <sys/ddi.h>
  42 #include <sys/sunddi.h>
  43 /*
  44  * Append address to the device path, if it is set.  Routine
  45  * ddi_pathname does not look for device address if the node is in
  46  * DS_INITIALIZED state.
  47  */


 382                 while (dc) {
 383                         ppm_print_dc(dc);
 384                         dc = dc->next;
 385                 }
 386 #endif
 387         }
 388 
 389         return (DDI_SUCCESS);
 390 }
 391 
 392 
 393 /*
 394  * scan conf devices within each domain for a matching device name
 395  */
 396 ppm_domain_t *
 397 ppm_lookup_dev(dev_info_t *dip)
 398 {
 399         char path[MAXNAMELEN];
 400         ppm_domain_t *domp;
 401         ppm_db_t *dbp;



 402 
 403         PPM_GET_PATHNAME(dip, path);
 404         for (domp = ppm_domain_p; domp; domp = domp->next) {
 405                 if (PPM_DOMAIN_UP(domp)) {
 406                         for (dbp = domp->conflist; dbp; dbp = dbp->next) {
 407                                 /*
 408                                  * allow claiming root without knowing
 409                                  * its full name
 410                                  */
 411                                 if (dip == ddi_root_node() &&
 412                                     strcmp(dbp->name, "/") == 0)
 413                                         return (domp);



















 414                                 if (ppm_match_devs(path, dbp) == 0)
 415                                         return (domp);
 416                         }
 417                 }
 418         }
 419 
 420         return (NULL);
 421 }
 422 
 423 
 424 /*
 425  * check ppm.conf file domain device pathname syntax, if correct,
 426  * create device match pattern.
 427  * return 1 for good, -1 for bad.
 428  */
 429 ppm_db_t *
 430 ppm_parse_pattern(struct ppm_db **dbpp, char *dev_path)
 431 {
 432         char path[MAXNAMELEN];
 433         int     wccnt, i;




   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  * ppm driver subroutines
  28  */
  29 
  30 #include <sys/open.h>
  31 #include <sys/file.h>
  32 #include <sys/conf.h>
  33 #include <sys/epm.h>
  34 #include <sys/sunldi.h>
  35 #include <sys/ppmvar.h>
  36 #include <sys/ppmio.h>
  37 #include <sys/promif.h>
  38 #include <sys/ddi_impldefs.h>
  39 #include <sys/ddi.h>
  40 #include <sys/sunddi.h>
  41 /*
  42  * Append address to the device path, if it is set.  Routine
  43  * ddi_pathname does not look for device address if the node is in
  44  * DS_INITIALIZED state.
  45  */


 380                 while (dc) {
 381                         ppm_print_dc(dc);
 382                         dc = dc->next;
 383                 }
 384 #endif
 385         }
 386 
 387         return (DDI_SUCCESS);
 388 }
 389 
 390 
 391 /*
 392  * scan conf devices within each domain for a matching device name
 393  */
 394 ppm_domain_t *
 395 ppm_lookup_dev(dev_info_t *dip)
 396 {
 397         char path[MAXNAMELEN];
 398         ppm_domain_t *domp;
 399         ppm_db_t *dbp;
 400 #ifdef  __x86
 401         char *devtype = NULL;
 402 #endif  /* __x86 */
 403 
 404         PPM_GET_PATHNAME(dip, path);
 405         for (domp = ppm_domain_p; domp; domp = domp->next) {
 406                 if (PPM_DOMAIN_UP(domp)) {
 407                         for (dbp = domp->conflist; dbp; dbp = dbp->next) {
 408                                 /*
 409                                  * allow claiming root without knowing
 410                                  * its full name
 411                                  */
 412                                 if (dip == ddi_root_node() &&
 413                                     strcmp(dbp->name, "/") == 0)
 414                                         return (domp);
 415 
 416 #ifdef  __x86
 417                                 /*
 418                                  * Special rule to catch all CPU devices on x86.
 419                                  */
 420                                 if (domp->model == PPMD_CPU &&
 421                                     strcmp(dbp->name, "/") == 0 &&
 422                                     ddi_prop_lookup_string(DDI_DEV_T_ANY, dip,
 423                                     DDI_PROP_DONTPASS, "device_type",
 424                                     &devtype) == DDI_SUCCESS) {
 425                                         if (strcmp(devtype, "cpu") == 0) {
 426                                                 ddi_prop_free(devtype);
 427                                                 return (domp);
 428                                         } else {
 429                                                 ddi_prop_free(devtype);
 430                                         }
 431                                 }
 432 #endif  /* __x86 */
 433 
 434                                 if (ppm_match_devs(path, dbp) == 0)
 435                                         return (domp);
 436                         }
 437                 }
 438         }
 439 
 440         return (NULL);
 441 }
 442 
 443 
 444 /*
 445  * check ppm.conf file domain device pathname syntax, if correct,
 446  * create device match pattern.
 447  * return 1 for good, -1 for bad.
 448  */
 449 ppm_db_t *
 450 ppm_parse_pattern(struct ppm_db **dbpp, char *dev_path)
 451 {
 452         char path[MAXNAMELEN];
 453         int     wccnt, i;