1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * pm This driver now only handles the ioctl interface. The scanning 31*0Sstevel@tonic-gate * and policy stuff now lives in common/os/sunpm.c. 32*0Sstevel@tonic-gate * Not DDI compliant 33*0Sstevel@tonic-gate */ 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #include <sys/types.h> 36*0Sstevel@tonic-gate #include <sys/errno.h> 37*0Sstevel@tonic-gate #include <sys/modctl.h> 38*0Sstevel@tonic-gate #include <sys/conf.h> /* driver flags and functions */ 39*0Sstevel@tonic-gate #include <sys/open.h> /* OTYP_CHR definition */ 40*0Sstevel@tonic-gate #include <sys/stat.h> /* S_IFCHR definition */ 41*0Sstevel@tonic-gate #include <sys/pathname.h> /* name -> dev_info xlation */ 42*0Sstevel@tonic-gate #include <sys/kmem.h> /* memory alloc stuff */ 43*0Sstevel@tonic-gate #include <sys/debug.h> 44*0Sstevel@tonic-gate #include <sys/pm.h> 45*0Sstevel@tonic-gate #include <sys/ddi.h> 46*0Sstevel@tonic-gate #include <sys/sunddi.h> 47*0Sstevel@tonic-gate #include <sys/epm.h> 48*0Sstevel@tonic-gate #include <sys/vfs.h> 49*0Sstevel@tonic-gate #include <sys/mode.h> 50*0Sstevel@tonic-gate #include <sys/mkdev.h> 51*0Sstevel@tonic-gate #include <sys/promif.h> 52*0Sstevel@tonic-gate #include <sys/consdev.h> 53*0Sstevel@tonic-gate #include <sys/ddi_impldefs.h> 54*0Sstevel@tonic-gate #include <sys/poll.h> 55*0Sstevel@tonic-gate #include <sys/note.h> 56*0Sstevel@tonic-gate #include <sys/taskq.h> 57*0Sstevel@tonic-gate #include <sys/policy.h> 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate /* 60*0Sstevel@tonic-gate * Minor number is instance<<8 + clone minor from range 1-255; (0 reserved 61*0Sstevel@tonic-gate * for "original" 62*0Sstevel@tonic-gate */ 63*0Sstevel@tonic-gate #define PM_MINOR_TO_CLONE(minor) ((minor) & (PM_MAX_CLONE - 1)) 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate #define PM_NUMCMPTS(dip) (DEVI(dip)->devi_pm_num_components) 66*0Sstevel@tonic-gate #define PM_IS_CFB(dip) (DEVI(dip)->devi_pm_flags & PMC_CONSOLE_FB) 67*0Sstevel@tonic-gate #define PM_MAJOR(dip) ddi_driver_major(dip) 68*0Sstevel@tonic-gate #define PM_RELE(dip) ddi_release_devi(dip) 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate #define PM_IDLEDOWN_TIME 10 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate extern kmutex_t pm_scan_lock; /* protects autopm_enable, pm_scans_disabled */ 73*0Sstevel@tonic-gate extern kmutex_t pm_clone_lock; /* protects pm_clones array */ 74*0Sstevel@tonic-gate extern int autopm_enabled; 75*0Sstevel@tonic-gate extern kcondvar_t pm_clones_cv[PM_MAX_CLONE]; 76*0Sstevel@tonic-gate extern uint_t pm_poll_cnt[PM_MAX_CLONE]; 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate /* 79*0Sstevel@tonic-gate * The soft state of the power manager. Since there will only 80*0Sstevel@tonic-gate * one of these, just reference it through a static pointer. 81*0Sstevel@tonic-gate */ 82*0Sstevel@tonic-gate static struct pmstate { 83*0Sstevel@tonic-gate dev_info_t *pm_dip; /* ptr to our dev_info node */ 84*0Sstevel@tonic-gate int pm_instance; /* for ddi_get_instance() */ 85*0Sstevel@tonic-gate timeout_id_t pm_idledown_id; /* pm idledown timeout id */ 86*0Sstevel@tonic-gate uchar_t pm_clones[PM_MAX_CLONE]; /* uniqueify multiple opens */ 87*0Sstevel@tonic-gate struct cred *pm_cred[PM_MAX_CLONE]; /* cred for each unique open */ 88*0Sstevel@tonic-gate } pm_state = { NULL, -1, (timeout_id_t)0 }; 89*0Sstevel@tonic-gate typedef struct pmstate *pm_state_t; 90*0Sstevel@tonic-gate static pm_state_t pmstp = &pm_state; 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate static int pm_open(dev_t *, int, int, cred_t *); 93*0Sstevel@tonic-gate static int pm_close(dev_t, int, int, cred_t *); 94*0Sstevel@tonic-gate static int pm_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); 95*0Sstevel@tonic-gate static int pm_chpoll(dev_t, short, int, short *, struct pollhead **); 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate static struct cb_ops pm_cb_ops = { 98*0Sstevel@tonic-gate pm_open, /* open */ 99*0Sstevel@tonic-gate pm_close, /* close */ 100*0Sstevel@tonic-gate nodev, /* strategy */ 101*0Sstevel@tonic-gate nodev, /* print */ 102*0Sstevel@tonic-gate nodev, /* dump */ 103*0Sstevel@tonic-gate nodev, /* read */ 104*0Sstevel@tonic-gate nodev, /* write */ 105*0Sstevel@tonic-gate pm_ioctl, /* ioctl */ 106*0Sstevel@tonic-gate nodev, /* devmap */ 107*0Sstevel@tonic-gate nodev, /* mmap */ 108*0Sstevel@tonic-gate nodev, /* segmap */ 109*0Sstevel@tonic-gate pm_chpoll, /* poll */ 110*0Sstevel@tonic-gate ddi_prop_op, /* prop_op */ 111*0Sstevel@tonic-gate NULL, /* streamtab */ 112*0Sstevel@tonic-gate D_NEW | D_MP /* driver compatibility flag */ 113*0Sstevel@tonic-gate }; 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate static int pm_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, 116*0Sstevel@tonic-gate void **result); 117*0Sstevel@tonic-gate static int pm_attach(dev_info_t *dip, ddi_attach_cmd_t cmd); 118*0Sstevel@tonic-gate static int pm_detach(dev_info_t *dip, ddi_detach_cmd_t cmd); 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate static struct dev_ops pm_ops = { 121*0Sstevel@tonic-gate DEVO_REV, /* devo_rev */ 122*0Sstevel@tonic-gate 0, /* refcnt */ 123*0Sstevel@tonic-gate pm_getinfo, /* info */ 124*0Sstevel@tonic-gate nulldev, /* identify */ 125*0Sstevel@tonic-gate nulldev, /* probe */ 126*0Sstevel@tonic-gate pm_attach, /* attach */ 127*0Sstevel@tonic-gate pm_detach, /* detach */ 128*0Sstevel@tonic-gate nodev, /* reset */ 129*0Sstevel@tonic-gate &pm_cb_ops, /* driver operations */ 130*0Sstevel@tonic-gate NULL, /* bus operations */ 131*0Sstevel@tonic-gate NULL /* power */ 132*0Sstevel@tonic-gate }; 133*0Sstevel@tonic-gate 134*0Sstevel@tonic-gate static struct modldrv modldrv = { 135*0Sstevel@tonic-gate &mod_driverops, 136*0Sstevel@tonic-gate "power management driver v%I%", 137*0Sstevel@tonic-gate &pm_ops 138*0Sstevel@tonic-gate }; 139*0Sstevel@tonic-gate 140*0Sstevel@tonic-gate static struct modlinkage modlinkage = { 141*0Sstevel@tonic-gate MODREV_1, &modldrv, 0 142*0Sstevel@tonic-gate }; 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate /* Local functions */ 145*0Sstevel@tonic-gate #ifdef DEBUG 146*0Sstevel@tonic-gate static int print_info(dev_info_t *, void *); 147*0Sstevel@tonic-gate 148*0Sstevel@tonic-gate #endif 149*0Sstevel@tonic-gate 150*0Sstevel@tonic-gate int 151*0Sstevel@tonic-gate _init(void) 152*0Sstevel@tonic-gate { 153*0Sstevel@tonic-gate return (mod_install(&modlinkage)); 154*0Sstevel@tonic-gate } 155*0Sstevel@tonic-gate 156*0Sstevel@tonic-gate int 157*0Sstevel@tonic-gate _fini(void) 158*0Sstevel@tonic-gate { 159*0Sstevel@tonic-gate return (mod_remove(&modlinkage)); 160*0Sstevel@tonic-gate } 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate int 163*0Sstevel@tonic-gate _info(struct modinfo *modinfop) 164*0Sstevel@tonic-gate { 165*0Sstevel@tonic-gate return (mod_info(&modlinkage, modinfop)); 166*0Sstevel@tonic-gate } 167*0Sstevel@tonic-gate 168*0Sstevel@tonic-gate static int 169*0Sstevel@tonic-gate pm_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 170*0Sstevel@tonic-gate { 171*0Sstevel@tonic-gate int i; 172*0Sstevel@tonic-gate 173*0Sstevel@tonic-gate switch (cmd) { 174*0Sstevel@tonic-gate 175*0Sstevel@tonic-gate case DDI_ATTACH: 176*0Sstevel@tonic-gate if (pmstp->pm_instance != -1) /* Only allow one instance */ 177*0Sstevel@tonic-gate return (DDI_FAILURE); 178*0Sstevel@tonic-gate pmstp->pm_instance = ddi_get_instance(dip); 179*0Sstevel@tonic-gate if (ddi_create_minor_node(dip, "pm", S_IFCHR, 180*0Sstevel@tonic-gate (pmstp->pm_instance << 8) + 0, 181*0Sstevel@tonic-gate DDI_PSEUDO, 0) != DDI_SUCCESS) { 182*0Sstevel@tonic-gate return (DDI_FAILURE); 183*0Sstevel@tonic-gate } 184*0Sstevel@tonic-gate pmstp->pm_dip = dip; /* pm_init and getinfo depend on it */ 185*0Sstevel@tonic-gate 186*0Sstevel@tonic-gate for (i = 0; i < PM_MAX_CLONE; i++) 187*0Sstevel@tonic-gate cv_init(&pm_clones_cv[i], NULL, CV_DEFAULT, NULL); 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate ddi_report_dev(dip); 190*0Sstevel@tonic-gate return (DDI_SUCCESS); 191*0Sstevel@tonic-gate 192*0Sstevel@tonic-gate default: 193*0Sstevel@tonic-gate return (DDI_FAILURE); 194*0Sstevel@tonic-gate } 195*0Sstevel@tonic-gate } 196*0Sstevel@tonic-gate 197*0Sstevel@tonic-gate /* ARGSUSED */ 198*0Sstevel@tonic-gate static int 199*0Sstevel@tonic-gate pm_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 200*0Sstevel@tonic-gate { 201*0Sstevel@tonic-gate int i; 202*0Sstevel@tonic-gate 203*0Sstevel@tonic-gate switch (cmd) { 204*0Sstevel@tonic-gate case DDI_DETACH: 205*0Sstevel@tonic-gate /* 206*0Sstevel@tonic-gate * Don't detach while idledown timeout is pending. Note that 207*0Sstevel@tonic-gate * we already know we're not in pm_ioctl() due to framework 208*0Sstevel@tonic-gate * synchronization, so this is a sufficient test 209*0Sstevel@tonic-gate */ 210*0Sstevel@tonic-gate if (pmstp->pm_idledown_id) 211*0Sstevel@tonic-gate return (DDI_FAILURE); 212*0Sstevel@tonic-gate 213*0Sstevel@tonic-gate for (i = 0; i < PM_MAX_CLONE; i++) 214*0Sstevel@tonic-gate cv_destroy(&pm_clones_cv[i]); 215*0Sstevel@tonic-gate 216*0Sstevel@tonic-gate ddi_remove_minor_node(dip, NULL); 217*0Sstevel@tonic-gate pmstp->pm_instance = -1; 218*0Sstevel@tonic-gate return (DDI_SUCCESS); 219*0Sstevel@tonic-gate 220*0Sstevel@tonic-gate default: 221*0Sstevel@tonic-gate return (DDI_FAILURE); 222*0Sstevel@tonic-gate } 223*0Sstevel@tonic-gate } 224*0Sstevel@tonic-gate 225*0Sstevel@tonic-gate static int 226*0Sstevel@tonic-gate pm_close_direct_pm_device(dev_info_t *dip, void *arg) 227*0Sstevel@tonic-gate { 228*0Sstevel@tonic-gate int clone; 229*0Sstevel@tonic-gate char *pathbuf; 230*0Sstevel@tonic-gate pm_info_t *info = PM_GET_PM_INFO(dip); 231*0Sstevel@tonic-gate 232*0Sstevel@tonic-gate clone = *((int *)arg); 233*0Sstevel@tonic-gate 234*0Sstevel@tonic-gate if (!info) 235*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 236*0Sstevel@tonic-gate 237*0Sstevel@tonic-gate pathbuf = kmem_alloc(MAXPATHLEN, KM_SLEEP); 238*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 239*0Sstevel@tonic-gate if (clone == info->pmi_clone) { 240*0Sstevel@tonic-gate PMD(PMD_CLOSE, ("pm_close: found %s@%s(%s#%d)\n", 241*0Sstevel@tonic-gate PM_DEVICE(dip))) 242*0Sstevel@tonic-gate ASSERT(PM_ISDIRECT(dip)); 243*0Sstevel@tonic-gate info->pmi_dev_pm_state &= ~PM_DIRECT; 244*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 245*0Sstevel@tonic-gate pm_proceed(dip, PMP_RELEASE, -1, -1); 246*0Sstevel@tonic-gate /* Bring ourselves up if there is a keeper that is up */ 247*0Sstevel@tonic-gate (void) ddi_pathname(dip, pathbuf); 248*0Sstevel@tonic-gate pm_dispatch_to_dep_thread(PM_DEP_WK_BRINGUP_SELF, NULL, 249*0Sstevel@tonic-gate pathbuf, PM_DEP_NOWAIT, NULL, 0); 250*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 251*0Sstevel@tonic-gate info->pmi_clone = 0; 252*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 253*0Sstevel@tonic-gate } else { 254*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 255*0Sstevel@tonic-gate } 256*0Sstevel@tonic-gate kmem_free(pathbuf, MAXPATHLEN); 257*0Sstevel@tonic-gate 258*0Sstevel@tonic-gate /* restart autopm on device released from direct pm */ 259*0Sstevel@tonic-gate pm_rescan(dip); 260*0Sstevel@tonic-gate 261*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 262*0Sstevel@tonic-gate } 263*0Sstevel@tonic-gate 264*0Sstevel@tonic-gate #define PM_REQ 1 265*0Sstevel@tonic-gate #define NOSTRUCT 2 266*0Sstevel@tonic-gate #define DIP 3 267*0Sstevel@tonic-gate #define NODIP 4 268*0Sstevel@tonic-gate #define NODEP 5 269*0Sstevel@tonic-gate #define DEP 6 270*0Sstevel@tonic-gate #define PM_PSC 7 271*0Sstevel@tonic-gate 272*0Sstevel@tonic-gate #define CHECKPERMS 0x001 273*0Sstevel@tonic-gate #define SU 0x002 274*0Sstevel@tonic-gate #define SG 0x004 275*0Sstevel@tonic-gate #define OWNER 0x008 276*0Sstevel@tonic-gate 277*0Sstevel@tonic-gate #define INWHO 0x001 278*0Sstevel@tonic-gate #define INDATAINT 0x002 279*0Sstevel@tonic-gate #define INDATASTRING 0x004 280*0Sstevel@tonic-gate #define INDEP 0x008 281*0Sstevel@tonic-gate #define INDATAOUT 0x010 282*0Sstevel@tonic-gate #define INDATA (INDATAOUT | INDATAINT | INDATASTRING | INDEP) 283*0Sstevel@tonic-gate 284*0Sstevel@tonic-gate struct pm_cmd_info { 285*0Sstevel@tonic-gate int cmd; /* command code */ 286*0Sstevel@tonic-gate char *name; /* printable string */ 287*0Sstevel@tonic-gate int supported; /* true if still supported */ 288*0Sstevel@tonic-gate int str_type; /* PM_REQ or NOSTRUCT */ 289*0Sstevel@tonic-gate int inargs; /* INWHO, INDATAINT, INDATASTRING, INDEP, */ 290*0Sstevel@tonic-gate /* INDATAOUT */ 291*0Sstevel@tonic-gate int diptype; /* DIP or NODIP */ 292*0Sstevel@tonic-gate int deptype; /* DEP or NODEP */ 293*0Sstevel@tonic-gate int permission; /* SU, GU, or CHECKPERMS */ 294*0Sstevel@tonic-gate }; 295*0Sstevel@tonic-gate 296*0Sstevel@tonic-gate #ifdef DEBUG 297*0Sstevel@tonic-gate char *pm_cmd_string; 298*0Sstevel@tonic-gate int pm_cmd; 299*0Sstevel@tonic-gate #endif 300*0Sstevel@tonic-gate 301*0Sstevel@tonic-gate /* 302*0Sstevel@tonic-gate * Returns true if permission granted by credentials 303*0Sstevel@tonic-gate */ 304*0Sstevel@tonic-gate static int 305*0Sstevel@tonic-gate pm_perms(int perm, cred_t *cr) 306*0Sstevel@tonic-gate { 307*0Sstevel@tonic-gate if (perm == 0) /* no restrictions */ 308*0Sstevel@tonic-gate return (1); 309*0Sstevel@tonic-gate if (perm == CHECKPERMS) /* ok for now (is checked later) */ 310*0Sstevel@tonic-gate return (1); 311*0Sstevel@tonic-gate if ((perm & SU) && secpolicy_power_mgmt(cr) == 0) /* privileged? */ 312*0Sstevel@tonic-gate return (1); 313*0Sstevel@tonic-gate if ((perm & SG) && (crgetgid(cr) == 0)) /* group 0 is ok */ 314*0Sstevel@tonic-gate return (1); 315*0Sstevel@tonic-gate return (0); 316*0Sstevel@tonic-gate } 317*0Sstevel@tonic-gate 318*0Sstevel@tonic-gate #ifdef DEBUG 319*0Sstevel@tonic-gate static int 320*0Sstevel@tonic-gate print_info(dev_info_t *dip, void *arg) 321*0Sstevel@tonic-gate { 322*0Sstevel@tonic-gate _NOTE(ARGUNUSED(arg)) 323*0Sstevel@tonic-gate pm_info_t *info; 324*0Sstevel@tonic-gate int i, j; 325*0Sstevel@tonic-gate struct pm_component *cp; 326*0Sstevel@tonic-gate extern int pm_cur_power(pm_component_t *cp); 327*0Sstevel@tonic-gate 328*0Sstevel@tonic-gate info = PM_GET_PM_INFO(dip); 329*0Sstevel@tonic-gate if (!info) 330*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 331*0Sstevel@tonic-gate cmn_err(CE_CONT, "pm_info for %s\n", ddi_node_name(dip)); 332*0Sstevel@tonic-gate for (i = 0; i < PM_NUMCMPTS(dip); i++) { 333*0Sstevel@tonic-gate cp = PM_CP(dip, i); 334*0Sstevel@tonic-gate cmn_err(CE_CONT, "\tThresholds[%d] =", i); 335*0Sstevel@tonic-gate for (j = 0; j < cp->pmc_comp.pmc_numlevels; j++) 336*0Sstevel@tonic-gate cmn_err(CE_CONT, " %d", cp->pmc_comp.pmc_thresh[i]); 337*0Sstevel@tonic-gate cmn_err(CE_CONT, "\n"); 338*0Sstevel@tonic-gate cmn_err(CE_CONT, "\tCurrent power[%d] = %d\n", i, 339*0Sstevel@tonic-gate pm_cur_power(cp)); 340*0Sstevel@tonic-gate } 341*0Sstevel@tonic-gate if (PM_ISDIRECT(dip)) 342*0Sstevel@tonic-gate cmn_err(CE_CONT, "\tDirect power management\n"); 343*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 344*0Sstevel@tonic-gate } 345*0Sstevel@tonic-gate #endif 346*0Sstevel@tonic-gate 347*0Sstevel@tonic-gate /* 348*0Sstevel@tonic-gate * command, name, supported, str_type, inargs, diptype, deptype, permission 349*0Sstevel@tonic-gate */ 350*0Sstevel@tonic-gate static struct pm_cmd_info pmci[] = { 351*0Sstevel@tonic-gate {PM_SCHEDULE, "PM_SCHEDULE", 0}, 352*0Sstevel@tonic-gate {PM_GET_IDLE_TIME, "PM_GET_IDLE_TIME", 0}, 353*0Sstevel@tonic-gate {PM_GET_NUM_CMPTS, "PM_GET_NUM_CMPTS", 0}, 354*0Sstevel@tonic-gate {PM_GET_THRESHOLD, "PM_GET_THRESHOLD", 0}, 355*0Sstevel@tonic-gate {PM_SET_THRESHOLD, "PM_SET_THRESHOLD", 0}, 356*0Sstevel@tonic-gate {PM_GET_NORM_PWR, "PM_GET_NORM_PWR", 0}, 357*0Sstevel@tonic-gate {PM_SET_CUR_PWR, "PM_SET_CUR_PWR", 0}, 358*0Sstevel@tonic-gate {PM_GET_CUR_PWR, "PM_GET_CUR_PWR", 0}, 359*0Sstevel@tonic-gate {PM_GET_NUM_DEPS, "PM_GET_NUM_DEPS", 0}, 360*0Sstevel@tonic-gate {PM_GET_DEP, "PM_GET_DEP", 0}, 361*0Sstevel@tonic-gate {PM_ADD_DEP, "PM_ADD_DEP", 0}, 362*0Sstevel@tonic-gate {PM_REM_DEP, "PM_REM_DEP", 0}, 363*0Sstevel@tonic-gate {PM_REM_DEVICE, "PM_REM_DEVICE", 0}, 364*0Sstevel@tonic-gate {PM_REM_DEVICES, "PM_REM_DEVICES", 0}, 365*0Sstevel@tonic-gate {PM_REPARSE_PM_PROPS, "PM_REPARSE_PM_PROPS", 1, PM_REQ, INWHO, DIP, 366*0Sstevel@tonic-gate NODEP}, 367*0Sstevel@tonic-gate {PM_DISABLE_AUTOPM, "PM_DISABLE_AUTOPM", 0}, 368*0Sstevel@tonic-gate {PM_REENABLE_AUTOPM, "PM_REENABLE_AUTOPM", 0}, 369*0Sstevel@tonic-gate {PM_SET_NORM_PWR, "PM_SET_NORM_PWR", 0 }, 370*0Sstevel@tonic-gate {PM_SET_DEVICE_THRESHOLD, "PM_SET_DEVICE_THRESHOLD", 1, PM_REQ, 371*0Sstevel@tonic-gate INWHO, NODIP, NODEP, SU}, 372*0Sstevel@tonic-gate {PM_GET_SYSTEM_THRESHOLD, "PM_GET_SYSTEM_THRESHOLD", 1, NOSTRUCT}, 373*0Sstevel@tonic-gate {PM_GET_DEFAULT_SYSTEM_THRESHOLD, "PM_GET_DEFAULT_SYSTEM_THRESHOLD", 374*0Sstevel@tonic-gate 1, NOSTRUCT}, 375*0Sstevel@tonic-gate {PM_SET_SYSTEM_THRESHOLD, "PM_SET_SYSTEM_THRESHOLD", 1, NOSTRUCT, 376*0Sstevel@tonic-gate 0, 0, 0, SU}, 377*0Sstevel@tonic-gate {PM_START_PM, "PM_START_PM", 1, NOSTRUCT, 0, 0, 0, SU}, 378*0Sstevel@tonic-gate {PM_STOP_PM, "PM_STOP_PM", 1, NOSTRUCT, 0, 0, 0, SU}, 379*0Sstevel@tonic-gate {PM_RESET_PM, "PM_RESET_PM", 1, NOSTRUCT, 0, 0, 0, SU}, 380*0Sstevel@tonic-gate {PM_GET_STATS, "PM_GET_STATS", 1, PM_REQ, INWHO | INDATAOUT, 381*0Sstevel@tonic-gate DIP, NODEP}, 382*0Sstevel@tonic-gate {PM_GET_DEVICE_THRESHOLD, "PM_GET_DEVICE_THRESHOLD", 1, PM_REQ, INWHO, 383*0Sstevel@tonic-gate DIP, NODEP}, 384*0Sstevel@tonic-gate {PM_GET_POWER_NAME, "PM_GET_POWER_NAME", 1, PM_REQ, INWHO | INDATAOUT, 385*0Sstevel@tonic-gate DIP, NODEP}, 386*0Sstevel@tonic-gate {PM_GET_POWER_LEVELS, "PM_GET_POWER_LEVELS", 1, PM_REQ, 387*0Sstevel@tonic-gate INWHO | INDATAOUT, DIP, NODEP}, 388*0Sstevel@tonic-gate {PM_GET_NUM_COMPONENTS, "PM_GET_NUM_COMPONENTS", 1, PM_REQ, INWHO, 389*0Sstevel@tonic-gate DIP, NODEP}, 390*0Sstevel@tonic-gate {PM_GET_COMPONENT_NAME, "PM_GET_COMPONENT_NAME", 1, PM_REQ, 391*0Sstevel@tonic-gate INWHO | INDATAOUT, DIP, NODEP}, 392*0Sstevel@tonic-gate {PM_GET_NUM_POWER_LEVELS, "PM_GET_NUM_POWER_LEVELS", 1, PM_REQ, INWHO, 393*0Sstevel@tonic-gate DIP, NODEP}, 394*0Sstevel@tonic-gate {PM_GET_STATE_CHANGE, "PM_GET_STATE_CHANGE", 1, PM_PSC}, 395*0Sstevel@tonic-gate {PM_GET_STATE_CHANGE_WAIT, "PM_GET_STATE_CHANGE_WAIT", 1, PM_PSC}, 396*0Sstevel@tonic-gate {PM_DIRECT_PM, "PM_DIRECT_PM", 1, PM_REQ, INWHO, DIP, NODEP, 397*0Sstevel@tonic-gate (SU | SG)}, 398*0Sstevel@tonic-gate {PM_RELEASE_DIRECT_PM, "PM_RELEASE_DIRECT_PM", 1, PM_REQ, INWHO, 399*0Sstevel@tonic-gate DIP, NODEP}, 400*0Sstevel@tonic-gate {PM_DIRECT_NOTIFY, "PM_DIRECT_NOTIFY", 1, PM_PSC}, 401*0Sstevel@tonic-gate {PM_DIRECT_NOTIFY_WAIT, "PM_DIRECT_NOTIFY_WAIT", 1, PM_PSC}, 402*0Sstevel@tonic-gate {PM_RESET_DEVICE_THRESHOLD, "PM_RESET_DEVICE_THRESHOLD", 1, PM_REQ, 403*0Sstevel@tonic-gate INWHO, DIP, NODEP, SU}, 404*0Sstevel@tonic-gate {PM_GET_PM_STATE, "PM_GET_PM_STATE", 1, NOSTRUCT}, 405*0Sstevel@tonic-gate {PM_GET_DEVICE_TYPE, "PM_GET_DEVICE_TYPE", 1, PM_REQ, INWHO, 406*0Sstevel@tonic-gate DIP, NODEP}, 407*0Sstevel@tonic-gate {PM_SET_COMPONENT_THRESHOLDS, "PM_SET_COMPONENT_THRESHOLDS", 1, PM_REQ, 408*0Sstevel@tonic-gate INWHO | INDATAINT, NODIP, NODEP, SU}, 409*0Sstevel@tonic-gate {PM_GET_COMPONENT_THRESHOLDS, "PM_GET_COMPONENT_THRESHOLDS", 1, PM_REQ, 410*0Sstevel@tonic-gate INWHO | INDATAOUT, DIP, NODEP}, 411*0Sstevel@tonic-gate {PM_IDLE_DOWN, "PM_IDLE_DOWN", 1, NOSTRUCT, 0, 0, 0, SU}, 412*0Sstevel@tonic-gate {PM_GET_DEVICE_THRESHOLD_BASIS, "PM_GET_DEVICE_THRESHOLD_BASIS", 1, 413*0Sstevel@tonic-gate PM_REQ, INWHO, DIP, NODEP}, 414*0Sstevel@tonic-gate {PM_SET_CURRENT_POWER, "PM_SET_CURRENT_POWER", 1, PM_REQ, INWHO, DIP, 415*0Sstevel@tonic-gate NODEP}, 416*0Sstevel@tonic-gate {PM_GET_CURRENT_POWER, "PM_GET_CURRENT_POWER", 1, PM_REQ, INWHO, DIP, 417*0Sstevel@tonic-gate NODEP}, 418*0Sstevel@tonic-gate {PM_GET_FULL_POWER, "PM_GET_FULL_POWER", 1, PM_REQ, INWHO, DIP, 419*0Sstevel@tonic-gate NODEP}, 420*0Sstevel@tonic-gate {PM_ADD_DEPENDENT, "PM_ADD_DEPENDENT", 1, PM_REQ, INWHO | INDATASTRING, 421*0Sstevel@tonic-gate DIP, DEP, SU}, 422*0Sstevel@tonic-gate {PM_GET_TIME_IDLE, "PM_GET_TIME_IDLE", 1, PM_REQ, INWHO, DIP, NODEP}, 423*0Sstevel@tonic-gate {PM_ADD_DEPENDENT_PROPERTY, "PM_ADD_DEPENDENT_PROPERTY", 1, PM_REQ, 424*0Sstevel@tonic-gate INWHO | INDATASTRING, NODIP, DEP, SU}, 425*0Sstevel@tonic-gate {0, NULL} 426*0Sstevel@tonic-gate }; 427*0Sstevel@tonic-gate 428*0Sstevel@tonic-gate struct pm_cmd_info * 429*0Sstevel@tonic-gate pc_info(int cmd) 430*0Sstevel@tonic-gate { 431*0Sstevel@tonic-gate struct pm_cmd_info *pcip; 432*0Sstevel@tonic-gate 433*0Sstevel@tonic-gate for (pcip = pmci; pcip->name; pcip++) { 434*0Sstevel@tonic-gate if (cmd == pcip->cmd) 435*0Sstevel@tonic-gate return (pcip); 436*0Sstevel@tonic-gate } 437*0Sstevel@tonic-gate return (NULL); 438*0Sstevel@tonic-gate } 439*0Sstevel@tonic-gate 440*0Sstevel@tonic-gate static char * 441*0Sstevel@tonic-gate pm_decode_cmd(int cmd) 442*0Sstevel@tonic-gate { 443*0Sstevel@tonic-gate static char invbuf[64]; 444*0Sstevel@tonic-gate struct pm_cmd_info *pcip = pc_info(cmd); 445*0Sstevel@tonic-gate if (pcip != NULL) 446*0Sstevel@tonic-gate return (pcip->name); 447*0Sstevel@tonic-gate (void) sprintf(invbuf, "ioctl: invalid command %d\n", cmd); 448*0Sstevel@tonic-gate return (invbuf); 449*0Sstevel@tonic-gate } 450*0Sstevel@tonic-gate 451*0Sstevel@tonic-gate /* 452*0Sstevel@tonic-gate * Allocate scan resource, create taskq, then dispatch scan, 453*0Sstevel@tonic-gate * called only if autopm is enabled. 454*0Sstevel@tonic-gate */ 455*0Sstevel@tonic-gate int 456*0Sstevel@tonic-gate pm_start_pm_walk(dev_info_t *dip, void *arg) 457*0Sstevel@tonic-gate { 458*0Sstevel@tonic-gate char *cmdstr = pm_decode_cmd(*((int *)arg)); 459*0Sstevel@tonic-gate 460*0Sstevel@tonic-gate if (!PM_GET_PM_INFO(dip) || PM_ISBC(dip)) 461*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 462*0Sstevel@tonic-gate 463*0Sstevel@tonic-gate /* 464*0Sstevel@tonic-gate * Construct per dip scan taskq 465*0Sstevel@tonic-gate */ 466*0Sstevel@tonic-gate mutex_enter(&pm_scan_lock); 467*0Sstevel@tonic-gate if (autopm_enabled) 468*0Sstevel@tonic-gate pm_scan_init(dip); 469*0Sstevel@tonic-gate mutex_exit(&pm_scan_lock); 470*0Sstevel@tonic-gate 471*0Sstevel@tonic-gate /* 472*0Sstevel@tonic-gate * Start doing pm on device: ensure pm_scan data structure initiated, 473*0Sstevel@tonic-gate * no need to gurantee a successful scan run. 474*0Sstevel@tonic-gate */ 475*0Sstevel@tonic-gate PMD(PMD_SCAN | PMD_IOCTL, ("ioctl: %s: scan %s@%s(%s#%d)\n", cmdstr, 476*0Sstevel@tonic-gate PM_DEVICE(dip))) 477*0Sstevel@tonic-gate pm_rescan(dip); 478*0Sstevel@tonic-gate 479*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 480*0Sstevel@tonic-gate } 481*0Sstevel@tonic-gate 482*0Sstevel@tonic-gate /* 483*0Sstevel@tonic-gate * Bring devices to full power level, then stop scan 484*0Sstevel@tonic-gate */ 485*0Sstevel@tonic-gate int 486*0Sstevel@tonic-gate pm_stop_pm_walk(dev_info_t *dip, void *arg) 487*0Sstevel@tonic-gate { 488*0Sstevel@tonic-gate pm_info_t *info = PM_GET_PM_INFO(dip); 489*0Sstevel@tonic-gate char *cmdstr = pm_decode_cmd(*((int *)arg)); 490*0Sstevel@tonic-gate 491*0Sstevel@tonic-gate if (!info) 492*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 493*0Sstevel@tonic-gate /* 494*0Sstevel@tonic-gate * Stop the current scan, and then bring it back to normal power. 495*0Sstevel@tonic-gate */ 496*0Sstevel@tonic-gate if (!PM_ISBC(dip)) { 497*0Sstevel@tonic-gate PMD(PMD_SCAN | PMD_IOCTL, ("ioctl: %s: stop scan for " 498*0Sstevel@tonic-gate "%s@%s(%s#%d)\n", cmdstr, PM_DEVICE(dip))) 499*0Sstevel@tonic-gate pm_scan_stop(dip); 500*0Sstevel@tonic-gate } 501*0Sstevel@tonic-gate 502*0Sstevel@tonic-gate if (!PM_ISBC(dip) && !PM_ISDIRECT(dip) && 503*0Sstevel@tonic-gate !pm_all_at_normal(dip)) { 504*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 505*0Sstevel@tonic-gate if (info->pmi_dev_pm_state & PM_DETACHING) { 506*0Sstevel@tonic-gate PMD(PMD_ALLNORM, ("ioctl: %s: deferring " 507*0Sstevel@tonic-gate "all_to_normal because %s@%s(%s#%d) is detaching\n", 508*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip))) 509*0Sstevel@tonic-gate info->pmi_dev_pm_state |= PM_ALLNORM_DEFERRED; 510*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 511*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 512*0Sstevel@tonic-gate } 513*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 514*0Sstevel@tonic-gate if (pm_all_to_normal(dip, PM_CANBLOCK_FAIL) != DDI_SUCCESS) { 515*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: could not bring %s@%s" 516*0Sstevel@tonic-gate "(%s#%d) to normal\n", cmdstr, PM_DEVICE(dip))) 517*0Sstevel@tonic-gate } 518*0Sstevel@tonic-gate } 519*0Sstevel@tonic-gate 520*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 521*0Sstevel@tonic-gate } 522*0Sstevel@tonic-gate 523*0Sstevel@tonic-gate static int 524*0Sstevel@tonic-gate pm_start_idledown(dev_info_t *dip, void *arg) 525*0Sstevel@tonic-gate { 526*0Sstevel@tonic-gate int flag = (int)(intptr_t)arg; 527*0Sstevel@tonic-gate pm_scan_t *scanp = PM_GET_PM_SCAN(dip); 528*0Sstevel@tonic-gate 529*0Sstevel@tonic-gate if (!scanp) 530*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 531*0Sstevel@tonic-gate 532*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 533*0Sstevel@tonic-gate scanp->ps_idle_down |= flag; 534*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 535*0Sstevel@tonic-gate pm_rescan(dip); 536*0Sstevel@tonic-gate 537*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 538*0Sstevel@tonic-gate } 539*0Sstevel@tonic-gate 540*0Sstevel@tonic-gate /*ARGSUSED*/ 541*0Sstevel@tonic-gate static int 542*0Sstevel@tonic-gate pm_end_idledown(dev_info_t *dip, void *ignore) 543*0Sstevel@tonic-gate { 544*0Sstevel@tonic-gate pm_scan_t *scanp = PM_GET_PM_SCAN(dip); 545*0Sstevel@tonic-gate 546*0Sstevel@tonic-gate if (!scanp) 547*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 548*0Sstevel@tonic-gate 549*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 550*0Sstevel@tonic-gate /* 551*0Sstevel@tonic-gate * The PMID_TIMERS bits are place holder till idledown expires. 552*0Sstevel@tonic-gate * The bits are also the base for regenerating PMID_SCANS bits. 553*0Sstevel@tonic-gate * While it's up to scan thread to clear up the PMID_SCANS bits 554*0Sstevel@tonic-gate * after each scan run, PMID_TIMERS ensure aggressive scan down 555*0Sstevel@tonic-gate * performance throughout the idledown period. 556*0Sstevel@tonic-gate */ 557*0Sstevel@tonic-gate scanp->ps_idle_down &= ~PMID_TIMERS; 558*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 559*0Sstevel@tonic-gate 560*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 561*0Sstevel@tonic-gate } 562*0Sstevel@tonic-gate 563*0Sstevel@tonic-gate /*ARGSUSED*/ 564*0Sstevel@tonic-gate static void 565*0Sstevel@tonic-gate pm_end_idledown_walk(void *ignore) 566*0Sstevel@tonic-gate { 567*0Sstevel@tonic-gate PMD(PMD_IDLEDOWN, ("ioctl: end_idledown: idledown_id(%lx) timer is " 568*0Sstevel@tonic-gate "off\n", (ulong_t)pmstp->pm_idledown_id)); 569*0Sstevel@tonic-gate 570*0Sstevel@tonic-gate mutex_enter(&pm_scan_lock); 571*0Sstevel@tonic-gate pmstp->pm_idledown_id = 0; 572*0Sstevel@tonic-gate mutex_exit(&pm_scan_lock); 573*0Sstevel@tonic-gate 574*0Sstevel@tonic-gate ddi_walk_devs(ddi_root_node(), pm_end_idledown, NULL); 575*0Sstevel@tonic-gate } 576*0Sstevel@tonic-gate 577*0Sstevel@tonic-gate /* 578*0Sstevel@tonic-gate * pm_timeout_idledown - keep idledown effect for 10 seconds. 579*0Sstevel@tonic-gate * 580*0Sstevel@tonic-gate * Return 0 if another competing caller scheduled idledown timeout, 581*0Sstevel@tonic-gate * otherwise, return idledown timeout_id. 582*0Sstevel@tonic-gate */ 583*0Sstevel@tonic-gate static timeout_id_t 584*0Sstevel@tonic-gate pm_timeout_idledown(void) 585*0Sstevel@tonic-gate { 586*0Sstevel@tonic-gate timeout_id_t to_id; 587*0Sstevel@tonic-gate 588*0Sstevel@tonic-gate /* 589*0Sstevel@tonic-gate * Keep idle-down in effect for either 10 seconds 590*0Sstevel@tonic-gate * or length of a scan interval, which ever is greater. 591*0Sstevel@tonic-gate */ 592*0Sstevel@tonic-gate mutex_enter(&pm_scan_lock); 593*0Sstevel@tonic-gate if (pmstp->pm_idledown_id != 0) { 594*0Sstevel@tonic-gate to_id = pmstp->pm_idledown_id; 595*0Sstevel@tonic-gate pmstp->pm_idledown_id = 0; 596*0Sstevel@tonic-gate mutex_exit(&pm_scan_lock); 597*0Sstevel@tonic-gate (void) untimeout(to_id); 598*0Sstevel@tonic-gate mutex_enter(&pm_scan_lock); 599*0Sstevel@tonic-gate if (pmstp->pm_idledown_id != 0) { 600*0Sstevel@tonic-gate PMD(PMD_IDLEDOWN, ("ioctl: timeout_idledown: " 601*0Sstevel@tonic-gate "another caller got it, idledown_id(%lx)!\n", 602*0Sstevel@tonic-gate (ulong_t)pmstp->pm_idledown_id)) 603*0Sstevel@tonic-gate mutex_exit(&pm_scan_lock); 604*0Sstevel@tonic-gate return (0); 605*0Sstevel@tonic-gate } 606*0Sstevel@tonic-gate } 607*0Sstevel@tonic-gate pmstp->pm_idledown_id = timeout(pm_end_idledown_walk, NULL, 608*0Sstevel@tonic-gate PM_IDLEDOWN_TIME * hz); 609*0Sstevel@tonic-gate PMD(PMD_IDLEDOWN, ("ioctl: timeout_idledown: idledown_id(%lx)\n", 610*0Sstevel@tonic-gate (ulong_t)pmstp->pm_idledown_id)) 611*0Sstevel@tonic-gate mutex_exit(&pm_scan_lock); 612*0Sstevel@tonic-gate 613*0Sstevel@tonic-gate return (pmstp->pm_idledown_id); 614*0Sstevel@tonic-gate } 615*0Sstevel@tonic-gate 616*0Sstevel@tonic-gate static int 617*0Sstevel@tonic-gate pm_chpoll(dev_t dev, short events, int anyyet, short *reventsp, 618*0Sstevel@tonic-gate struct pollhead **phpp) 619*0Sstevel@tonic-gate { 620*0Sstevel@tonic-gate extern struct pollhead pm_pollhead; /* common/os/sunpm.c */ 621*0Sstevel@tonic-gate int clone; 622*0Sstevel@tonic-gate 623*0Sstevel@tonic-gate clone = PM_MINOR_TO_CLONE(getminor(dev)); 624*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: pm_chpoll: clone %d\n", clone)) 625*0Sstevel@tonic-gate if ((events & (POLLIN | POLLRDNORM)) && pm_poll_cnt[clone]) { 626*0Sstevel@tonic-gate *reventsp |= (POLLIN | POLLRDNORM); 627*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: pm_chpoll: reventsp set\n")) 628*0Sstevel@tonic-gate } else { 629*0Sstevel@tonic-gate *reventsp = 0; 630*0Sstevel@tonic-gate if (!anyyet) { 631*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: pm_chpoll: not anyyet\n")) 632*0Sstevel@tonic-gate *phpp = &pm_pollhead; 633*0Sstevel@tonic-gate } 634*0Sstevel@tonic-gate #ifdef DEBUG 635*0Sstevel@tonic-gate else { 636*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: pm_chpoll: anyyet\n")) 637*0Sstevel@tonic-gate } 638*0Sstevel@tonic-gate #endif 639*0Sstevel@tonic-gate } 640*0Sstevel@tonic-gate return (0); 641*0Sstevel@tonic-gate } 642*0Sstevel@tonic-gate 643*0Sstevel@tonic-gate /* 644*0Sstevel@tonic-gate * called by pm_dicard_entries to free up the memory. It also decrements 645*0Sstevel@tonic-gate * pm_poll_cnt, if direct is non zero. 646*0Sstevel@tonic-gate */ 647*0Sstevel@tonic-gate static void 648*0Sstevel@tonic-gate pm_free_entries(psce_t *pscep, int clone, int direct) 649*0Sstevel@tonic-gate { 650*0Sstevel@tonic-gate pm_state_change_t *p; 651*0Sstevel@tonic-gate 652*0Sstevel@tonic-gate if (pscep) { 653*0Sstevel@tonic-gate p = pscep->psce_out; 654*0Sstevel@tonic-gate while (p->size) { 655*0Sstevel@tonic-gate if (direct) { 656*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: discard: " 657*0Sstevel@tonic-gate "pm_poll_cnt[%d] is %d before " 658*0Sstevel@tonic-gate "ASSERT\n", clone, 659*0Sstevel@tonic-gate pm_poll_cnt[clone])) 660*0Sstevel@tonic-gate ASSERT(pm_poll_cnt[clone]); 661*0Sstevel@tonic-gate pm_poll_cnt[clone]--; 662*0Sstevel@tonic-gate } 663*0Sstevel@tonic-gate kmem_free(p->physpath, p->size); 664*0Sstevel@tonic-gate p->size = 0; 665*0Sstevel@tonic-gate if (p == pscep->psce_last) 666*0Sstevel@tonic-gate p = pscep->psce_first; 667*0Sstevel@tonic-gate else 668*0Sstevel@tonic-gate p++; 669*0Sstevel@tonic-gate } 670*0Sstevel@tonic-gate pscep->psce_out = pscep->psce_first; 671*0Sstevel@tonic-gate pscep->psce_in = pscep->psce_first; 672*0Sstevel@tonic-gate mutex_exit(&pscep->psce_lock); 673*0Sstevel@tonic-gate } 674*0Sstevel@tonic-gate } 675*0Sstevel@tonic-gate 676*0Sstevel@tonic-gate /* 677*0Sstevel@tonic-gate * Discard entries for this clone. Calls pm_free_entries to free up memory. 678*0Sstevel@tonic-gate */ 679*0Sstevel@tonic-gate static void 680*0Sstevel@tonic-gate pm_discard_entries(int clone) 681*0Sstevel@tonic-gate { 682*0Sstevel@tonic-gate psce_t *pscep; 683*0Sstevel@tonic-gate psce_t *pm_psc_clone_to_direct(int); 684*0Sstevel@tonic-gate psce_t *pm_psc_clone_to_interest(int); 685*0Sstevel@tonic-gate int direct = 0; 686*0Sstevel@tonic-gate 687*0Sstevel@tonic-gate mutex_enter(&pm_clone_lock); 688*0Sstevel@tonic-gate if ((pscep = pm_psc_clone_to_direct(clone)) != NULL) 689*0Sstevel@tonic-gate direct = 1; 690*0Sstevel@tonic-gate pm_free_entries(pscep, clone, direct); 691*0Sstevel@tonic-gate pscep = pm_psc_clone_to_interest(clone); 692*0Sstevel@tonic-gate pm_free_entries(pscep, clone, 0); 693*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 694*0Sstevel@tonic-gate } 695*0Sstevel@tonic-gate 696*0Sstevel@tonic-gate int 697*0Sstevel@tonic-gate pm_set_sys_threshold(dev_info_t *dip, void *arg) 698*0Sstevel@tonic-gate { 699*0Sstevel@tonic-gate int pm_system_idle_threshold = *((int *)arg); 700*0Sstevel@tonic-gate pm_info_t *info = PM_GET_PM_INFO(dip); 701*0Sstevel@tonic-gate int processed = 0; 702*0Sstevel@tonic-gate 703*0Sstevel@tonic-gate if (!info) 704*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 705*0Sstevel@tonic-gate 706*0Sstevel@tonic-gate if (!PM_ISBC(dip) && !PM_ISDIRECT(dip)) { 707*0Sstevel@tonic-gate switch (DEVI(dip)->devi_pm_flags & PMC_THRESH_ALL) { 708*0Sstevel@tonic-gate case PMC_DEF_THRESH: 709*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: set_sys_threshold: set " 710*0Sstevel@tonic-gate "%s@%s(%s#%d) default thresh to 0t%d\n", 711*0Sstevel@tonic-gate PM_DEVICE(dip), pm_system_idle_threshold)) 712*0Sstevel@tonic-gate pm_set_device_threshold(dip, pm_system_idle_threshold, 713*0Sstevel@tonic-gate PMC_DEF_THRESH); 714*0Sstevel@tonic-gate processed++; 715*0Sstevel@tonic-gate break; 716*0Sstevel@tonic-gate default: 717*0Sstevel@tonic-gate break; 718*0Sstevel@tonic-gate } 719*0Sstevel@tonic-gate } 720*0Sstevel@tonic-gate 721*0Sstevel@tonic-gate if (processed && autopm_enabled) 722*0Sstevel@tonic-gate pm_rescan(dip); 723*0Sstevel@tonic-gate 724*0Sstevel@tonic-gate return (DDI_WALK_CONTINUE); 725*0Sstevel@tonic-gate } 726*0Sstevel@tonic-gate 727*0Sstevel@tonic-gate /*ARGSUSED*/ 728*0Sstevel@tonic-gate static int 729*0Sstevel@tonic-gate pm_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 730*0Sstevel@tonic-gate { 731*0Sstevel@tonic-gate dev_t dev; 732*0Sstevel@tonic-gate int instance; 733*0Sstevel@tonic-gate 734*0Sstevel@tonic-gate switch (infocmd) { 735*0Sstevel@tonic-gate case DDI_INFO_DEVT2DEVINFO: 736*0Sstevel@tonic-gate if (pmstp->pm_instance == -1) 737*0Sstevel@tonic-gate return (DDI_FAILURE); 738*0Sstevel@tonic-gate *result = pmstp->pm_dip; 739*0Sstevel@tonic-gate return (DDI_SUCCESS); 740*0Sstevel@tonic-gate 741*0Sstevel@tonic-gate case DDI_INFO_DEVT2INSTANCE: 742*0Sstevel@tonic-gate dev = (dev_t)arg; 743*0Sstevel@tonic-gate instance = getminor(dev) >> 8; 744*0Sstevel@tonic-gate *result = (void *)(uintptr_t)instance; 745*0Sstevel@tonic-gate return (DDI_SUCCESS); 746*0Sstevel@tonic-gate 747*0Sstevel@tonic-gate default: 748*0Sstevel@tonic-gate return (DDI_FAILURE); 749*0Sstevel@tonic-gate } 750*0Sstevel@tonic-gate } 751*0Sstevel@tonic-gate 752*0Sstevel@tonic-gate 753*0Sstevel@tonic-gate /*ARGSUSED1*/ 754*0Sstevel@tonic-gate static int 755*0Sstevel@tonic-gate pm_open(dev_t *devp, int flag, int otyp, cred_t *cr) 756*0Sstevel@tonic-gate { 757*0Sstevel@tonic-gate int clone; 758*0Sstevel@tonic-gate 759*0Sstevel@tonic-gate if (otyp != OTYP_CHR) 760*0Sstevel@tonic-gate return (EINVAL); 761*0Sstevel@tonic-gate 762*0Sstevel@tonic-gate mutex_enter(&pm_clone_lock); 763*0Sstevel@tonic-gate for (clone = 1; clone < PM_MAX_CLONE; clone++) 764*0Sstevel@tonic-gate if (!pmstp->pm_clones[clone]) 765*0Sstevel@tonic-gate break; 766*0Sstevel@tonic-gate 767*0Sstevel@tonic-gate if (clone == PM_MAX_CLONE) { 768*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 769*0Sstevel@tonic-gate return (ENXIO); 770*0Sstevel@tonic-gate } 771*0Sstevel@tonic-gate pmstp->pm_cred[clone] = cr; 772*0Sstevel@tonic-gate crhold(cr); 773*0Sstevel@tonic-gate 774*0Sstevel@tonic-gate *devp = makedevice(getmajor(*devp), (pmstp->pm_instance << 8) + clone); 775*0Sstevel@tonic-gate pmstp->pm_clones[clone] = 1; 776*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 777*0Sstevel@tonic-gate 778*0Sstevel@tonic-gate return (0); 779*0Sstevel@tonic-gate } 780*0Sstevel@tonic-gate 781*0Sstevel@tonic-gate /*ARGSUSED1*/ 782*0Sstevel@tonic-gate static int 783*0Sstevel@tonic-gate pm_close(dev_t dev, int flag, int otyp, cred_t *cr) 784*0Sstevel@tonic-gate { 785*0Sstevel@tonic-gate int clone; 786*0Sstevel@tonic-gate 787*0Sstevel@tonic-gate if (otyp != OTYP_CHR) 788*0Sstevel@tonic-gate return (EINVAL); 789*0Sstevel@tonic-gate 790*0Sstevel@tonic-gate clone = PM_MINOR_TO_CLONE(getminor(dev)); 791*0Sstevel@tonic-gate PMD(PMD_CLOSE, ("pm_close: minor %x, clone %x\n", getminor(dev), 792*0Sstevel@tonic-gate clone)) 793*0Sstevel@tonic-gate 794*0Sstevel@tonic-gate /* 795*0Sstevel@tonic-gate * Walk the entire device tree to find the corresponding 796*0Sstevel@tonic-gate * device and operate on it. 797*0Sstevel@tonic-gate */ 798*0Sstevel@tonic-gate ddi_walk_devs(ddi_root_node(), pm_close_direct_pm_device, 799*0Sstevel@tonic-gate (void *) &clone); 800*0Sstevel@tonic-gate 801*0Sstevel@tonic-gate crfree(pmstp->pm_cred[clone]); 802*0Sstevel@tonic-gate pmstp->pm_cred[clone] = 0; 803*0Sstevel@tonic-gate pmstp->pm_clones[clone] = 0; 804*0Sstevel@tonic-gate pm_discard_entries(clone); 805*0Sstevel@tonic-gate ASSERT(pm_poll_cnt[clone] == 0); 806*0Sstevel@tonic-gate pm_deregister_watcher(clone, NULL); 807*0Sstevel@tonic-gate return (0); 808*0Sstevel@tonic-gate } 809*0Sstevel@tonic-gate 810*0Sstevel@tonic-gate /*ARGSUSED*/ 811*0Sstevel@tonic-gate static int 812*0Sstevel@tonic-gate pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p) 813*0Sstevel@tonic-gate { 814*0Sstevel@tonic-gate struct pm_cmd_info *pc_info(int); 815*0Sstevel@tonic-gate struct pm_cmd_info *pcip = pc_info(cmd); 816*0Sstevel@tonic-gate pm_req_t req; 817*0Sstevel@tonic-gate dev_info_t *dip = NULL; 818*0Sstevel@tonic-gate pm_info_t *info = NULL; 819*0Sstevel@tonic-gate int clone; 820*0Sstevel@tonic-gate char *cmdstr = pm_decode_cmd(cmd); 821*0Sstevel@tonic-gate /* 822*0Sstevel@tonic-gate * To keep devinfo nodes from going away while we're holding a 823*0Sstevel@tonic-gate * pointer to their dip, pm_name_to_dip() optionally holds 824*0Sstevel@tonic-gate * the devinfo node. If we've done that, we set dipheld 825*0Sstevel@tonic-gate * so we know at the end of the ioctl processing to release the 826*0Sstevel@tonic-gate * node again. 827*0Sstevel@tonic-gate */ 828*0Sstevel@tonic-gate int dipheld = 0; 829*0Sstevel@tonic-gate int icount = 0; 830*0Sstevel@tonic-gate int i; 831*0Sstevel@tonic-gate int comps; 832*0Sstevel@tonic-gate size_t lencopied; 833*0Sstevel@tonic-gate int ret = ENOTTY; 834*0Sstevel@tonic-gate int curpower; 835*0Sstevel@tonic-gate char who[MAXNAMELEN]; 836*0Sstevel@tonic-gate size_t wholen; /* copyinstr length */ 837*0Sstevel@tonic-gate size_t deplen = MAXNAMELEN; 838*0Sstevel@tonic-gate char *dep, i_dep_buf[MAXNAMELEN]; 839*0Sstevel@tonic-gate char *pathbuf; 840*0Sstevel@tonic-gate struct pm_component *cp; 841*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 842*0Sstevel@tonic-gate pm_state_change32_t *pscp32; 843*0Sstevel@tonic-gate pm_state_change32_t psc32; 844*0Sstevel@tonic-gate size_t copysize32; 845*0Sstevel@tonic-gate #endif 846*0Sstevel@tonic-gate pm_state_change_t *pscp; 847*0Sstevel@tonic-gate pm_state_change_t psc; 848*0Sstevel@tonic-gate size_t copysize; 849*0Sstevel@tonic-gate extern int pm_default_idle_threshold; 850*0Sstevel@tonic-gate extern int pm_system_idle_threshold; 851*0Sstevel@tonic-gate extern void pm_record_thresh(pm_thresh_rec_t *); 852*0Sstevel@tonic-gate psce_t *pm_psc_clone_to_direct(int); 853*0Sstevel@tonic-gate psce_t *pm_psc_clone_to_interest(int); 854*0Sstevel@tonic-gate extern void pm_register_watcher(int, dev_info_t *); 855*0Sstevel@tonic-gate extern int pm_get_current_power(dev_info_t *, int, int *); 856*0Sstevel@tonic-gate extern int pm_interest_registered(int); 857*0Sstevel@tonic-gate extern void pm_all_to_default_thresholds(void); 858*0Sstevel@tonic-gate extern int pm_current_threshold(dev_info_t *, int, int *); 859*0Sstevel@tonic-gate extern void pm_deregister_watcher(int, dev_info_t *); 860*0Sstevel@tonic-gate extern void pm_unrecord_threshold(char *); 861*0Sstevel@tonic-gate 862*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: %s: begin\n", cmdstr)) 863*0Sstevel@tonic-gate 864*0Sstevel@tonic-gate #ifdef DEBUG 865*0Sstevel@tonic-gate if (cmd == 666) { 866*0Sstevel@tonic-gate ddi_walk_devs(ddi_root_node(), print_info, NULL); 867*0Sstevel@tonic-gate return (0); 868*0Sstevel@tonic-gate } 869*0Sstevel@tonic-gate ret = 0x0badcafe; /* sanity checking */ 870*0Sstevel@tonic-gate pm_cmd = cmd; /* for ASSERT debugging */ 871*0Sstevel@tonic-gate pm_cmd_string = cmdstr; /* for ASSERT debugging */ 872*0Sstevel@tonic-gate #endif 873*0Sstevel@tonic-gate 874*0Sstevel@tonic-gate 875*0Sstevel@tonic-gate if (pcip == NULL) { 876*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: unknown command %d\n", cmd)) 877*0Sstevel@tonic-gate return (ENOTTY); 878*0Sstevel@tonic-gate } 879*0Sstevel@tonic-gate if (pcip == NULL || pcip->supported == 0) { 880*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: command %s no longer supported\n", 881*0Sstevel@tonic-gate pcip->name)) 882*0Sstevel@tonic-gate return (ENOTTY); 883*0Sstevel@tonic-gate } 884*0Sstevel@tonic-gate 885*0Sstevel@tonic-gate wholen = 0; 886*0Sstevel@tonic-gate dep = i_dep_buf; 887*0Sstevel@tonic-gate i_dep_buf[0] = 0; 888*0Sstevel@tonic-gate clone = PM_MINOR_TO_CLONE(getminor(dev)); 889*0Sstevel@tonic-gate if (!pm_perms(pcip->permission, pmstp->pm_cred[clone])) { 890*0Sstevel@tonic-gate ret = EPERM; 891*0Sstevel@tonic-gate return (ret); 892*0Sstevel@tonic-gate } 893*0Sstevel@tonic-gate switch (pcip->str_type) { 894*0Sstevel@tonic-gate case PM_REQ: 895*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 896*0Sstevel@tonic-gate if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) { 897*0Sstevel@tonic-gate pm_req32_t req32; 898*0Sstevel@tonic-gate 899*0Sstevel@tonic-gate if (ddi_copyin((caddr_t)arg, &req32, 900*0Sstevel@tonic-gate sizeof (req32), mode) != 0) { 901*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: ddi_copyin " 902*0Sstevel@tonic-gate "EFAULT\n\n", cmdstr)) 903*0Sstevel@tonic-gate ret = EFAULT; 904*0Sstevel@tonic-gate break; 905*0Sstevel@tonic-gate } 906*0Sstevel@tonic-gate req.component = req32.component; 907*0Sstevel@tonic-gate req.value = req32.value; 908*0Sstevel@tonic-gate req.datasize = req32.datasize; 909*0Sstevel@tonic-gate if (pcip->inargs & INWHO) { 910*0Sstevel@tonic-gate ret = copyinstr((char *)(uintptr_t) 911*0Sstevel@tonic-gate req32.physpath, who, MAXNAMELEN, &wholen); 912*0Sstevel@tonic-gate if (ret) { 913*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: " 914*0Sstevel@tonic-gate "copyinstr fails returning %d\n", 915*0Sstevel@tonic-gate cmdstr, ret)) 916*0Sstevel@tonic-gate break; 917*0Sstevel@tonic-gate } 918*0Sstevel@tonic-gate req.physpath = who; 919*0Sstevel@tonic-gate } 920*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: %s: physpath=%s\n", cmdstr, 921*0Sstevel@tonic-gate req.physpath)) 922*0Sstevel@tonic-gate if (pcip->inargs & INDATA) { 923*0Sstevel@tonic-gate req.data = (void *)(uintptr_t)req32.data; 924*0Sstevel@tonic-gate req.datasize = req32.datasize; 925*0Sstevel@tonic-gate } else { 926*0Sstevel@tonic-gate req.data = NULL; 927*0Sstevel@tonic-gate req.datasize = 0; 928*0Sstevel@tonic-gate } 929*0Sstevel@tonic-gate switch (pcip->diptype) { 930*0Sstevel@tonic-gate case DIP: 931*0Sstevel@tonic-gate if (!(dip = 932*0Sstevel@tonic-gate pm_name_to_dip(req.physpath, 1))) { 933*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: " 934*0Sstevel@tonic-gate "pm_name_to_dip for %s failed\n", 935*0Sstevel@tonic-gate cmdstr, req.physpath)) 936*0Sstevel@tonic-gate return (ENODEV); 937*0Sstevel@tonic-gate } 938*0Sstevel@tonic-gate ASSERT(!dipheld); 939*0Sstevel@tonic-gate dipheld++; 940*0Sstevel@tonic-gate break; 941*0Sstevel@tonic-gate case NODIP: 942*0Sstevel@tonic-gate break; 943*0Sstevel@tonic-gate default: 944*0Sstevel@tonic-gate /* 945*0Sstevel@tonic-gate * Internal error, invalid ioctl description 946*0Sstevel@tonic-gate * force debug entry even if pm_debug not set 947*0Sstevel@tonic-gate */ 948*0Sstevel@tonic-gate #ifdef DEBUG 949*0Sstevel@tonic-gate pm_log("invalid diptype %d for cmd %d (%s)\n", 950*0Sstevel@tonic-gate pcip->diptype, cmd, pcip->name); 951*0Sstevel@tonic-gate #endif 952*0Sstevel@tonic-gate ASSERT(0); 953*0Sstevel@tonic-gate return (EIO); 954*0Sstevel@tonic-gate } 955*0Sstevel@tonic-gate if (pcip->inargs & INDATAINT) { 956*0Sstevel@tonic-gate int32_t int32buf; 957*0Sstevel@tonic-gate int32_t *i32p; 958*0Sstevel@tonic-gate int *ip; 959*0Sstevel@tonic-gate icount = req32.datasize / sizeof (int32_t); 960*0Sstevel@tonic-gate if (icount <= 0) { 961*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: datasize" 962*0Sstevel@tonic-gate " 0 or neg EFAULT\n\n", cmdstr)) 963*0Sstevel@tonic-gate ret = EFAULT; 964*0Sstevel@tonic-gate break; 965*0Sstevel@tonic-gate } 966*0Sstevel@tonic-gate ASSERT(!(pcip->inargs & INDATASTRING)); 967*0Sstevel@tonic-gate req.datasize = icount * sizeof (int); 968*0Sstevel@tonic-gate req.data = kmem_alloc(req.datasize, KM_SLEEP); 969*0Sstevel@tonic-gate ip = req.data; 970*0Sstevel@tonic-gate ret = 0; 971*0Sstevel@tonic-gate for (i = 0, 972*0Sstevel@tonic-gate i32p = (int32_t *)(uintptr_t)req32.data; 973*0Sstevel@tonic-gate i < icount; i++, i32p++) { 974*0Sstevel@tonic-gate if (ddi_copyin((void *)i32p, &int32buf, 975*0Sstevel@tonic-gate sizeof (int32_t), mode)) { 976*0Sstevel@tonic-gate kmem_free(req.data, 977*0Sstevel@tonic-gate req.datasize); 978*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: " 979*0Sstevel@tonic-gate "entry %d EFAULT\n", 980*0Sstevel@tonic-gate cmdstr, i)) 981*0Sstevel@tonic-gate ret = EFAULT; 982*0Sstevel@tonic-gate break; 983*0Sstevel@tonic-gate } 984*0Sstevel@tonic-gate *ip++ = (int)int32buf; 985*0Sstevel@tonic-gate } 986*0Sstevel@tonic-gate if (ret) 987*0Sstevel@tonic-gate break; 988*0Sstevel@tonic-gate } 989*0Sstevel@tonic-gate if (pcip->inargs & INDATASTRING) { 990*0Sstevel@tonic-gate ASSERT(!(pcip->inargs & INDATAINT)); 991*0Sstevel@tonic-gate ASSERT(pcip->deptype == DEP); 992*0Sstevel@tonic-gate if (req32.data != NULL) { 993*0Sstevel@tonic-gate size_t dummy; 994*0Sstevel@tonic-gate if (copyinstr((void *)(uintptr_t) 995*0Sstevel@tonic-gate req32.data, dep, deplen, &dummy)) { 996*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: " 997*0Sstevel@tonic-gate "0x%p dep size %lx, EFAULT" 998*0Sstevel@tonic-gate "\n", cmdstr, 999*0Sstevel@tonic-gate (void *)req.data, deplen)) 1000*0Sstevel@tonic-gate ret = EFAULT; 1001*0Sstevel@tonic-gate break; 1002*0Sstevel@tonic-gate } 1003*0Sstevel@tonic-gate #ifdef DEBUG 1004*0Sstevel@tonic-gate else { 1005*0Sstevel@tonic-gate PMD(PMD_DEP, ("ioctl: %s: " 1006*0Sstevel@tonic-gate "dep %s\n", cmdstr, dep)) 1007*0Sstevel@tonic-gate } 1008*0Sstevel@tonic-gate #endif 1009*0Sstevel@tonic-gate } else { 1010*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: no " 1011*0Sstevel@tonic-gate "dependent\n", cmdstr)) 1012*0Sstevel@tonic-gate ret = EINVAL; 1013*0Sstevel@tonic-gate break; 1014*0Sstevel@tonic-gate } 1015*0Sstevel@tonic-gate } 1016*0Sstevel@tonic-gate } else 1017*0Sstevel@tonic-gate #endif /* _MULTI_DATAMODEL */ 1018*0Sstevel@tonic-gate { 1019*0Sstevel@tonic-gate if (ddi_copyin((caddr_t)arg, 1020*0Sstevel@tonic-gate &req, sizeof (req), mode) != 0) { 1021*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: ddi_copyin " 1022*0Sstevel@tonic-gate "EFAULT\n\n", cmdstr)) 1023*0Sstevel@tonic-gate ret = EFAULT; 1024*0Sstevel@tonic-gate break; 1025*0Sstevel@tonic-gate } 1026*0Sstevel@tonic-gate if (pcip->inargs & INWHO) { 1027*0Sstevel@tonic-gate ret = copyinstr((char *)req.physpath, who, 1028*0Sstevel@tonic-gate MAXNAMELEN, &wholen); 1029*0Sstevel@tonic-gate if (ret) { 1030*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s copyinstr" 1031*0Sstevel@tonic-gate " fails returning %d\n", cmdstr, 1032*0Sstevel@tonic-gate ret)) 1033*0Sstevel@tonic-gate break; 1034*0Sstevel@tonic-gate } 1035*0Sstevel@tonic-gate req.physpath = who; 1036*0Sstevel@tonic-gate } 1037*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: %s: physpath=%s\n", cmdstr, 1038*0Sstevel@tonic-gate req.physpath)) 1039*0Sstevel@tonic-gate if (!(pcip->inargs & INDATA)) { 1040*0Sstevel@tonic-gate req.data = NULL; 1041*0Sstevel@tonic-gate req.datasize = 0; 1042*0Sstevel@tonic-gate } 1043*0Sstevel@tonic-gate switch (pcip->diptype) { 1044*0Sstevel@tonic-gate case DIP: 1045*0Sstevel@tonic-gate if (!(dip = 1046*0Sstevel@tonic-gate pm_name_to_dip(req.physpath, 1))) { 1047*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: " 1048*0Sstevel@tonic-gate "pm_name_to_dip for %s failed\n", 1049*0Sstevel@tonic-gate cmdstr, req.physpath)) 1050*0Sstevel@tonic-gate return (ENODEV); 1051*0Sstevel@tonic-gate } 1052*0Sstevel@tonic-gate ASSERT(!dipheld); 1053*0Sstevel@tonic-gate dipheld++; 1054*0Sstevel@tonic-gate break; 1055*0Sstevel@tonic-gate case NODIP: 1056*0Sstevel@tonic-gate break; 1057*0Sstevel@tonic-gate default: 1058*0Sstevel@tonic-gate /* 1059*0Sstevel@tonic-gate * Internal error, invalid ioctl description 1060*0Sstevel@tonic-gate * force debug entry even if pm_debug not set 1061*0Sstevel@tonic-gate */ 1062*0Sstevel@tonic-gate #ifdef DEBUG 1063*0Sstevel@tonic-gate pm_log("invalid diptype %d for cmd %d (%s)\n", 1064*0Sstevel@tonic-gate pcip->diptype, cmd, pcip->name); 1065*0Sstevel@tonic-gate #endif 1066*0Sstevel@tonic-gate ASSERT(0); 1067*0Sstevel@tonic-gate return (EIO); 1068*0Sstevel@tonic-gate } 1069*0Sstevel@tonic-gate if (pcip->inargs & INDATAINT) { 1070*0Sstevel@tonic-gate int *ip; 1071*0Sstevel@tonic-gate 1072*0Sstevel@tonic-gate ASSERT(!(pcip->inargs & INDATASTRING)); 1073*0Sstevel@tonic-gate ip = req.data; 1074*0Sstevel@tonic-gate icount = req.datasize / sizeof (int); 1075*0Sstevel@tonic-gate if (icount <= 0) { 1076*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: datasize" 1077*0Sstevel@tonic-gate " 0 or neg EFAULT\n\n", cmdstr)) 1078*0Sstevel@tonic-gate ret = EFAULT; 1079*0Sstevel@tonic-gate break; 1080*0Sstevel@tonic-gate } 1081*0Sstevel@tonic-gate req.data = kmem_alloc(req.datasize, KM_SLEEP); 1082*0Sstevel@tonic-gate if (ddi_copyin((caddr_t)ip, req.data, 1083*0Sstevel@tonic-gate req.datasize, mode) != 0) { 1084*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: ddi_copyin " 1085*0Sstevel@tonic-gate "EFAULT\n\n", cmdstr)) 1086*0Sstevel@tonic-gate ret = EFAULT; 1087*0Sstevel@tonic-gate break; 1088*0Sstevel@tonic-gate } 1089*0Sstevel@tonic-gate } 1090*0Sstevel@tonic-gate if (pcip->inargs & INDATASTRING) { 1091*0Sstevel@tonic-gate ASSERT(!(pcip->inargs & INDATAINT)); 1092*0Sstevel@tonic-gate ASSERT(pcip->deptype == DEP); 1093*0Sstevel@tonic-gate if (req.data != NULL) { 1094*0Sstevel@tonic-gate size_t dummy; 1095*0Sstevel@tonic-gate if (copyinstr((caddr_t)req.data, 1096*0Sstevel@tonic-gate dep, deplen, &dummy)) { 1097*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: " 1098*0Sstevel@tonic-gate "0x%p dep size %lu, " 1099*0Sstevel@tonic-gate "EFAULT\n", cmdstr, 1100*0Sstevel@tonic-gate (void *)req.data, deplen)) 1101*0Sstevel@tonic-gate ret = EFAULT; 1102*0Sstevel@tonic-gate break; 1103*0Sstevel@tonic-gate } 1104*0Sstevel@tonic-gate #ifdef DEBUG 1105*0Sstevel@tonic-gate else { 1106*0Sstevel@tonic-gate PMD(PMD_DEP, ("ioctl: %s: " 1107*0Sstevel@tonic-gate "dep %s\n", cmdstr, dep)) 1108*0Sstevel@tonic-gate } 1109*0Sstevel@tonic-gate #endif 1110*0Sstevel@tonic-gate } else { 1111*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: no " 1112*0Sstevel@tonic-gate "dependent\n", cmdstr)) 1113*0Sstevel@tonic-gate ret = EINVAL; 1114*0Sstevel@tonic-gate break; 1115*0Sstevel@tonic-gate } 1116*0Sstevel@tonic-gate } 1117*0Sstevel@tonic-gate } 1118*0Sstevel@tonic-gate /* 1119*0Sstevel@tonic-gate * Now we've got all the args in for the commands that 1120*0Sstevel@tonic-gate * use the new pm_req struct. 1121*0Sstevel@tonic-gate */ 1122*0Sstevel@tonic-gate switch (cmd) { 1123*0Sstevel@tonic-gate case PM_REPARSE_PM_PROPS: 1124*0Sstevel@tonic-gate { 1125*0Sstevel@tonic-gate struct dev_ops *drv; 1126*0Sstevel@tonic-gate struct cb_ops *cb; 1127*0Sstevel@tonic-gate void *propval; 1128*0Sstevel@tonic-gate int length; 1129*0Sstevel@tonic-gate /* 1130*0Sstevel@tonic-gate * This ioctl is provided only for the ddivs pm test. 1131*0Sstevel@tonic-gate * We only do it to a driver which explicitly allows 1132*0Sstevel@tonic-gate * us to do so by exporting a pm-reparse-ok property. 1133*0Sstevel@tonic-gate * We only care whether the property exists or not. 1134*0Sstevel@tonic-gate */ 1135*0Sstevel@tonic-gate if ((drv = ddi_get_driver(dip)) == NULL) { 1136*0Sstevel@tonic-gate ret = EINVAL; 1137*0Sstevel@tonic-gate break; 1138*0Sstevel@tonic-gate } 1139*0Sstevel@tonic-gate if ((cb = drv->devo_cb_ops) != NULL) { 1140*0Sstevel@tonic-gate if ((*cb->cb_prop_op)(DDI_DEV_T_ANY, dip, 1141*0Sstevel@tonic-gate PROP_LEN_AND_VAL_ALLOC, (DDI_PROP_CANSLEEP | 1142*0Sstevel@tonic-gate DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 1143*0Sstevel@tonic-gate "pm-reparse-ok", (caddr_t)&propval, 1144*0Sstevel@tonic-gate &length) != DDI_SUCCESS) { 1145*0Sstevel@tonic-gate ret = EINVAL; 1146*0Sstevel@tonic-gate break; 1147*0Sstevel@tonic-gate } 1148*0Sstevel@tonic-gate } else if (ddi_prop_op(DDI_DEV_T_ANY, dip, 1149*0Sstevel@tonic-gate PROP_LEN_AND_VAL_ALLOC, (DDI_PROP_CANSLEEP | 1150*0Sstevel@tonic-gate DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 1151*0Sstevel@tonic-gate "pm-reparse-ok", (caddr_t)&propval, 1152*0Sstevel@tonic-gate &length) != DDI_SUCCESS) { 1153*0Sstevel@tonic-gate ret = EINVAL; 1154*0Sstevel@tonic-gate break; 1155*0Sstevel@tonic-gate } 1156*0Sstevel@tonic-gate kmem_free(propval, length); 1157*0Sstevel@tonic-gate ret = e_new_pm_props(dip); 1158*0Sstevel@tonic-gate break; 1159*0Sstevel@tonic-gate } 1160*0Sstevel@tonic-gate 1161*0Sstevel@tonic-gate case PM_GET_DEVICE_THRESHOLD: 1162*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 1163*0Sstevel@tonic-gate if (!PM_GET_PM_INFO(dip) || PM_ISBC(dip)) { 1164*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1165*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: ENODEV\n", 1166*0Sstevel@tonic-gate cmdstr)) 1167*0Sstevel@tonic-gate ret = ENODEV; 1168*0Sstevel@tonic-gate break; 1169*0Sstevel@tonic-gate } 1170*0Sstevel@tonic-gate *rval_p = DEVI(dip)->devi_pm_dev_thresh; 1171*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1172*0Sstevel@tonic-gate ret = 0; 1173*0Sstevel@tonic-gate break; 1174*0Sstevel@tonic-gate 1175*0Sstevel@tonic-gate case PM_DIRECT_PM: 1176*0Sstevel@tonic-gate { 1177*0Sstevel@tonic-gate int has_dep; 1178*0Sstevel@tonic-gate if ((info = PM_GET_PM_INFO(dip)) == NULL) { 1179*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_DPM, ("ioctl: %s: " 1180*0Sstevel@tonic-gate "ENODEV\n", cmdstr)) 1181*0Sstevel@tonic-gate ret = ENODEV; 1182*0Sstevel@tonic-gate break; 1183*0Sstevel@tonic-gate } 1184*0Sstevel@tonic-gate /* 1185*0Sstevel@tonic-gate * Check to see if we are there is a dependency on 1186*0Sstevel@tonic-gate * this kept device, if so, return EBUSY. 1187*0Sstevel@tonic-gate */ 1188*0Sstevel@tonic-gate pathbuf = kmem_zalloc(MAXPATHLEN, KM_SLEEP); 1189*0Sstevel@tonic-gate (void) ddi_pathname(dip, pathbuf); 1190*0Sstevel@tonic-gate pm_dispatch_to_dep_thread(PM_DEP_WK_CHECK_KEPT, 1191*0Sstevel@tonic-gate NULL, pathbuf, PM_DEP_WAIT, &has_dep, 0); 1192*0Sstevel@tonic-gate kmem_free(pathbuf, MAXPATHLEN); 1193*0Sstevel@tonic-gate if (has_dep) { 1194*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_DPM, ("%s EBUSY\n", 1195*0Sstevel@tonic-gate cmdstr)) 1196*0Sstevel@tonic-gate ret = EBUSY; 1197*0Sstevel@tonic-gate break; 1198*0Sstevel@tonic-gate } 1199*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 1200*0Sstevel@tonic-gate if (PM_ISDIRECT(dip) || (info->pmi_clone != 0)) { 1201*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_DPM, ("ioctl: %s: " 1202*0Sstevel@tonic-gate "%s@%s(%s#%d): EBUSY\n", cmdstr, 1203*0Sstevel@tonic-gate PM_DEVICE(dip))) 1204*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1205*0Sstevel@tonic-gate ret = EBUSY; 1206*0Sstevel@tonic-gate break; 1207*0Sstevel@tonic-gate } 1208*0Sstevel@tonic-gate info->pmi_dev_pm_state |= PM_DIRECT; 1209*0Sstevel@tonic-gate info->pmi_clone = clone; 1210*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1211*0Sstevel@tonic-gate PMD(PMD_DPM, ("ioctl: %s: info %p, pmi_clone %d\n", 1212*0Sstevel@tonic-gate cmdstr, (void *)info, clone)) 1213*0Sstevel@tonic-gate mutex_enter(&pm_clone_lock); 1214*0Sstevel@tonic-gate pm_register_watcher(clone, dip); 1215*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 1216*0Sstevel@tonic-gate ret = 0; 1217*0Sstevel@tonic-gate break; 1218*0Sstevel@tonic-gate } 1219*0Sstevel@tonic-gate 1220*0Sstevel@tonic-gate case PM_RELEASE_DIRECT_PM: 1221*0Sstevel@tonic-gate { 1222*0Sstevel@tonic-gate if ((info = PM_GET_PM_INFO(dip)) == NULL) { 1223*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_DPM, ("ioctl: %s: " 1224*0Sstevel@tonic-gate "ENODEV\n", cmdstr)) 1225*0Sstevel@tonic-gate ret = ENODEV; 1226*0Sstevel@tonic-gate break; 1227*0Sstevel@tonic-gate } 1228*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 1229*0Sstevel@tonic-gate if (info->pmi_clone != clone) { 1230*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_DPM, ("ioctl: %s: " 1231*0Sstevel@tonic-gate "%s@%s(%s#%d) EINVAL\n", cmdstr, 1232*0Sstevel@tonic-gate PM_DEVICE(dip))) 1233*0Sstevel@tonic-gate ret = EINVAL; 1234*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1235*0Sstevel@tonic-gate break; 1236*0Sstevel@tonic-gate } 1237*0Sstevel@tonic-gate ASSERT(PM_ISDIRECT(dip)); 1238*0Sstevel@tonic-gate info->pmi_dev_pm_state &= ~PM_DIRECT; 1239*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1240*0Sstevel@tonic-gate /* Bring ourselves up if there is a keeper. */ 1241*0Sstevel@tonic-gate pathbuf = kmem_zalloc(MAXPATHLEN, KM_SLEEP); 1242*0Sstevel@tonic-gate (void) ddi_pathname(dip, pathbuf); 1243*0Sstevel@tonic-gate pm_dispatch_to_dep_thread(PM_DEP_WK_BRINGUP_SELF, 1244*0Sstevel@tonic-gate NULL, pathbuf, PM_DEP_WAIT, NULL, 0); 1245*0Sstevel@tonic-gate kmem_free(pathbuf, MAXPATHLEN); 1246*0Sstevel@tonic-gate pm_discard_entries(clone); 1247*0Sstevel@tonic-gate pm_deregister_watcher(clone, dip); 1248*0Sstevel@tonic-gate /* 1249*0Sstevel@tonic-gate * Now we could let the other threads that are 1250*0Sstevel@tonic-gate * trying to do a DIRECT_PM thru 1251*0Sstevel@tonic-gate */ 1252*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 1253*0Sstevel@tonic-gate info->pmi_clone = 0; 1254*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1255*0Sstevel@tonic-gate pm_proceed(dip, PMP_RELEASE, -1, -1); 1256*0Sstevel@tonic-gate PMD(PMD_RESCAN | PMD_DPM, ("ioctl: %s: rescan\n", 1257*0Sstevel@tonic-gate cmdstr)) 1258*0Sstevel@tonic-gate pm_rescan(dip); 1259*0Sstevel@tonic-gate ret = 0; 1260*0Sstevel@tonic-gate break; 1261*0Sstevel@tonic-gate } 1262*0Sstevel@tonic-gate 1263*0Sstevel@tonic-gate case PM_SET_CURRENT_POWER: 1264*0Sstevel@tonic-gate { 1265*0Sstevel@tonic-gate int comp = req.component; 1266*0Sstevel@tonic-gate int value = req.value; 1267*0Sstevel@tonic-gate PMD(PMD_DPM, ("ioctl: %s: %s component %d to value " 1268*0Sstevel@tonic-gate "%d\n", cmdstr, req.physpath, comp, value)) 1269*0Sstevel@tonic-gate if (!e_pm_valid_comp(dip, comp, NULL) || 1270*0Sstevel@tonic-gate !e_pm_valid_power(dip, comp, value)) { 1271*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_DPM, ("ioctl: %s: " 1272*0Sstevel@tonic-gate "physpath=%s, comp=%d, level=%d, fails\n", 1273*0Sstevel@tonic-gate cmdstr, req.physpath, comp, value)) 1274*0Sstevel@tonic-gate ret = EINVAL; 1275*0Sstevel@tonic-gate break; 1276*0Sstevel@tonic-gate } 1277*0Sstevel@tonic-gate 1278*0Sstevel@tonic-gate if ((info = PM_GET_PM_INFO(dip)) == NULL) { 1279*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_DPM, ("ioctl: %s: " 1280*0Sstevel@tonic-gate "ENODEV\n", cmdstr)) 1281*0Sstevel@tonic-gate ret = ENODEV; 1282*0Sstevel@tonic-gate break; 1283*0Sstevel@tonic-gate } 1284*0Sstevel@tonic-gate if (info->pmi_clone != clone) { 1285*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_DPM, ("ioctl: %s: " 1286*0Sstevel@tonic-gate "(not owner) %s fails; clone %d, owner %d" 1287*0Sstevel@tonic-gate "\n", cmdstr, req.physpath, clone, 1288*0Sstevel@tonic-gate info->pmi_clone)) 1289*0Sstevel@tonic-gate ret = EINVAL; 1290*0Sstevel@tonic-gate break; 1291*0Sstevel@tonic-gate } 1292*0Sstevel@tonic-gate ASSERT(PM_ISDIRECT(dip)); 1293*0Sstevel@tonic-gate 1294*0Sstevel@tonic-gate if (pm_set_power(dip, comp, value, PM_LEVEL_EXACT, 1295*0Sstevel@tonic-gate PM_CANBLOCK_BLOCK, 0, &ret) != DDI_SUCCESS) { 1296*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_DPM, ("ioctl: %s: " 1297*0Sstevel@tonic-gate "pm_set_power for %s fails, errno=%d\n", 1298*0Sstevel@tonic-gate cmdstr, req.physpath, ret)) 1299*0Sstevel@tonic-gate break; 1300*0Sstevel@tonic-gate } 1301*0Sstevel@tonic-gate 1302*0Sstevel@tonic-gate pm_proceed(dip, PMP_SETPOWER, comp, value); 1303*0Sstevel@tonic-gate 1304*0Sstevel@tonic-gate /* 1305*0Sstevel@tonic-gate * Power down all idle components if console framebuffer 1306*0Sstevel@tonic-gate * is powered off. 1307*0Sstevel@tonic-gate */ 1308*0Sstevel@tonic-gate if (PM_IS_CFB(dip) && (pm_system_idle_threshold == 1309*0Sstevel@tonic-gate pm_default_idle_threshold)) { 1310*0Sstevel@tonic-gate dev_info_t *root = ddi_root_node(); 1311*0Sstevel@tonic-gate if (PM_ISBC(dip)) { 1312*0Sstevel@tonic-gate if (comp == 0 && value == 0 && 1313*0Sstevel@tonic-gate (pm_timeout_idledown() != 0)) { 1314*0Sstevel@tonic-gate ddi_walk_devs(root, 1315*0Sstevel@tonic-gate pm_start_idledown, 1316*0Sstevel@tonic-gate (void *)PMID_CFB); 1317*0Sstevel@tonic-gate } 1318*0Sstevel@tonic-gate } else { 1319*0Sstevel@tonic-gate int count = 0; 1320*0Sstevel@tonic-gate for (i = 0; i < PM_NUMCMPTS(dip); i++) { 1321*0Sstevel@tonic-gate ret = pm_get_current_power(dip, 1322*0Sstevel@tonic-gate i, &curpower); 1323*0Sstevel@tonic-gate if (ret == DDI_SUCCESS && 1324*0Sstevel@tonic-gate curpower == 0) 1325*0Sstevel@tonic-gate count++; 1326*0Sstevel@tonic-gate } 1327*0Sstevel@tonic-gate if ((count == PM_NUMCMPTS(dip)) && 1328*0Sstevel@tonic-gate (pm_timeout_idledown() != 0)) { 1329*0Sstevel@tonic-gate ddi_walk_devs(root, 1330*0Sstevel@tonic-gate pm_start_idledown, 1331*0Sstevel@tonic-gate (void *)PMID_CFB); 1332*0Sstevel@tonic-gate } 1333*0Sstevel@tonic-gate } 1334*0Sstevel@tonic-gate } 1335*0Sstevel@tonic-gate 1336*0Sstevel@tonic-gate PMD(PMD_RESCAN | PMD_DPM, ("ioctl: %s: rescan\n", 1337*0Sstevel@tonic-gate cmdstr)) 1338*0Sstevel@tonic-gate pm_rescan(dip); 1339*0Sstevel@tonic-gate *rval_p = 0; 1340*0Sstevel@tonic-gate ret = 0; 1341*0Sstevel@tonic-gate break; 1342*0Sstevel@tonic-gate } 1343*0Sstevel@tonic-gate 1344*0Sstevel@tonic-gate case PM_GET_FULL_POWER: 1345*0Sstevel@tonic-gate { 1346*0Sstevel@tonic-gate int normal; 1347*0Sstevel@tonic-gate ASSERT(dip); 1348*0Sstevel@tonic-gate PMD(PMD_NORM, ("ioctl: %s: %s component %d\n", 1349*0Sstevel@tonic-gate cmdstr, req.physpath, req.component)) 1350*0Sstevel@tonic-gate normal = pm_get_normal_power(dip, req.component); 1351*0Sstevel@tonic-gate 1352*0Sstevel@tonic-gate if (normal == DDI_FAILURE) { 1353*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_NORM, ("ioctl: %s: " 1354*0Sstevel@tonic-gate "returns EINVAL\n", cmdstr)) 1355*0Sstevel@tonic-gate ret = EINVAL; 1356*0Sstevel@tonic-gate break; 1357*0Sstevel@tonic-gate } 1358*0Sstevel@tonic-gate *rval_p = normal; 1359*0Sstevel@tonic-gate PMD(PMD_NORM, ("ioctl: %s: returns %d\n", 1360*0Sstevel@tonic-gate cmdstr, normal)) 1361*0Sstevel@tonic-gate ret = 0; 1362*0Sstevel@tonic-gate break; 1363*0Sstevel@tonic-gate } 1364*0Sstevel@tonic-gate 1365*0Sstevel@tonic-gate case PM_GET_CURRENT_POWER: 1366*0Sstevel@tonic-gate if (pm_get_current_power(dip, req.component, 1367*0Sstevel@tonic-gate rval_p) != DDI_SUCCESS) { 1368*0Sstevel@tonic-gate PMD(PMD_ERROR | PMD_DPM, ("ioctl: %s " 1369*0Sstevel@tonic-gate "EINVAL\n", cmdstr)) 1370*0Sstevel@tonic-gate ret = EINVAL; 1371*0Sstevel@tonic-gate break; 1372*0Sstevel@tonic-gate } 1373*0Sstevel@tonic-gate PMD(PMD_DPM, ("ioctl: %s: %s comp %d returns %d\n", 1374*0Sstevel@tonic-gate cmdstr, req.physpath, req.component, *rval_p)) 1375*0Sstevel@tonic-gate if (*rval_p == PM_LEVEL_UNKNOWN) 1376*0Sstevel@tonic-gate ret = EAGAIN; 1377*0Sstevel@tonic-gate else 1378*0Sstevel@tonic-gate ret = 0; 1379*0Sstevel@tonic-gate break; 1380*0Sstevel@tonic-gate 1381*0Sstevel@tonic-gate case PM_GET_TIME_IDLE: 1382*0Sstevel@tonic-gate { 1383*0Sstevel@tonic-gate time_t timestamp; 1384*0Sstevel@tonic-gate int comp = req.component; 1385*0Sstevel@tonic-gate pm_component_t *cp; 1386*0Sstevel@tonic-gate if (!e_pm_valid_comp(dip, comp, &cp)) { 1387*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) " 1388*0Sstevel@tonic-gate "component %d > numcmpts - 1 %d--EINVAL\n", 1389*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip), comp, 1390*0Sstevel@tonic-gate PM_NUMCMPTS(dip) - 1)) 1391*0Sstevel@tonic-gate ret = EINVAL; 1392*0Sstevel@tonic-gate break; 1393*0Sstevel@tonic-gate } 1394*0Sstevel@tonic-gate timestamp = cp->pmc_timestamp; 1395*0Sstevel@tonic-gate if (timestamp) { 1396*0Sstevel@tonic-gate time_t now; 1397*0Sstevel@tonic-gate (void) drv_getparm(TIME, &now); 1398*0Sstevel@tonic-gate *rval_p = (now - timestamp); 1399*0Sstevel@tonic-gate } else { 1400*0Sstevel@tonic-gate *rval_p = 0; 1401*0Sstevel@tonic-gate } 1402*0Sstevel@tonic-gate ret = 0; 1403*0Sstevel@tonic-gate break; 1404*0Sstevel@tonic-gate } 1405*0Sstevel@tonic-gate 1406*0Sstevel@tonic-gate case PM_ADD_DEPENDENT: 1407*0Sstevel@tonic-gate { 1408*0Sstevel@tonic-gate dev_info_t *kept_dip; 1409*0Sstevel@tonic-gate 1410*0Sstevel@tonic-gate PMD(PMD_KEEPS, ("%s, kept %s, keeper %s\n", cmdstr, 1411*0Sstevel@tonic-gate dep, req.physpath)) 1412*0Sstevel@tonic-gate 1413*0Sstevel@tonic-gate /* 1414*0Sstevel@tonic-gate * hold and install kept while processing dependency 1415*0Sstevel@tonic-gate * keeper (in .physpath) has already been held. 1416*0Sstevel@tonic-gate */ 1417*0Sstevel@tonic-gate if (dep[0] == '\0') { 1418*0Sstevel@tonic-gate PMD(PMD_ERROR, ("kept NULL or null\n")) 1419*0Sstevel@tonic-gate ret = EINVAL; 1420*0Sstevel@tonic-gate break; 1421*0Sstevel@tonic-gate } else if ((kept_dip = 1422*0Sstevel@tonic-gate pm_name_to_dip(dep, 1)) == NULL) { 1423*0Sstevel@tonic-gate PMD(PMD_ERROR, ("no dip for kept %s\n", dep)) 1424*0Sstevel@tonic-gate ret = ENODEV; 1425*0Sstevel@tonic-gate break; 1426*0Sstevel@tonic-gate } else if (kept_dip == dip) { 1427*0Sstevel@tonic-gate PMD(PMD_ERROR, ("keeper(%s, %p) - kept(%s, %p) " 1428*0Sstevel@tonic-gate "self-dependency not allowed.\n", 1429*0Sstevel@tonic-gate dep, (void *)kept_dip, req.physpath, 1430*0Sstevel@tonic-gate (void *) dip)) 1431*0Sstevel@tonic-gate PM_RELE(dip); /* release "double" hold */ 1432*0Sstevel@tonic-gate ret = EINVAL; 1433*0Sstevel@tonic-gate break; 1434*0Sstevel@tonic-gate } 1435*0Sstevel@tonic-gate ASSERT(!(strcmp(req.physpath, (char *)dep) == 0)); 1436*0Sstevel@tonic-gate 1437*0Sstevel@tonic-gate /* 1438*0Sstevel@tonic-gate * record dependency, then walk through device tree 1439*0Sstevel@tonic-gate * independently on behalf of kept and keeper to 1440*0Sstevel@tonic-gate * establish newly created dependency. 1441*0Sstevel@tonic-gate */ 1442*0Sstevel@tonic-gate pm_dispatch_to_dep_thread(PM_DEP_WK_RECORD_KEEPER, 1443*0Sstevel@tonic-gate req.physpath, dep, PM_DEP_WAIT, NULL, 0); 1444*0Sstevel@tonic-gate 1445*0Sstevel@tonic-gate /* 1446*0Sstevel@tonic-gate * release kept after establishing dependency, keeper 1447*0Sstevel@tonic-gate * is released as part of ioctl exit processing. 1448*0Sstevel@tonic-gate */ 1449*0Sstevel@tonic-gate PM_RELE(kept_dip); 1450*0Sstevel@tonic-gate *rval_p = 0; 1451*0Sstevel@tonic-gate ret = 0; 1452*0Sstevel@tonic-gate break; 1453*0Sstevel@tonic-gate } 1454*0Sstevel@tonic-gate 1455*0Sstevel@tonic-gate case PM_ADD_DEPENDENT_PROPERTY: 1456*0Sstevel@tonic-gate { 1457*0Sstevel@tonic-gate char *keeper, *kept; 1458*0Sstevel@tonic-gate 1459*0Sstevel@tonic-gate if (dep[0] == '\0') { 1460*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: dep NULL or " 1461*0Sstevel@tonic-gate "null\n", cmdstr)) 1462*0Sstevel@tonic-gate ret = EINVAL; 1463*0Sstevel@tonic-gate break; 1464*0Sstevel@tonic-gate } 1465*0Sstevel@tonic-gate kept = dep; 1466*0Sstevel@tonic-gate keeper = req.physpath; 1467*0Sstevel@tonic-gate /* 1468*0Sstevel@tonic-gate * record keeper - kept dependency, then walk through 1469*0Sstevel@tonic-gate * device tree to find out all attached keeper, walk 1470*0Sstevel@tonic-gate * through again to apply dependency to all the 1471*0Sstevel@tonic-gate * potential kept. 1472*0Sstevel@tonic-gate */ 1473*0Sstevel@tonic-gate pm_dispatch_to_dep_thread( 1474*0Sstevel@tonic-gate PM_DEP_WK_RECORD_KEEPER_PROP, keeper, kept, 1475*0Sstevel@tonic-gate PM_DEP_WAIT, NULL, 0); 1476*0Sstevel@tonic-gate 1477*0Sstevel@tonic-gate *rval_p = 0; 1478*0Sstevel@tonic-gate ret = 0; 1479*0Sstevel@tonic-gate break; 1480*0Sstevel@tonic-gate } 1481*0Sstevel@tonic-gate 1482*0Sstevel@tonic-gate case PM_SET_DEVICE_THRESHOLD: 1483*0Sstevel@tonic-gate { 1484*0Sstevel@tonic-gate pm_thresh_rec_t *rp; 1485*0Sstevel@tonic-gate pm_pte_t *ep; /* threshold header storage */ 1486*0Sstevel@tonic-gate int *tp; /* threshold storage */ 1487*0Sstevel@tonic-gate size_t size; 1488*0Sstevel@tonic-gate extern int pm_thresh_specd(dev_info_t *); 1489*0Sstevel@tonic-gate 1490*0Sstevel@tonic-gate /* 1491*0Sstevel@tonic-gate * The header struct plus one entry struct plus one 1492*0Sstevel@tonic-gate * threshold plus the length of the string 1493*0Sstevel@tonic-gate */ 1494*0Sstevel@tonic-gate size = sizeof (pm_thresh_rec_t) + 1495*0Sstevel@tonic-gate (sizeof (pm_pte_t) * 1) + 1496*0Sstevel@tonic-gate (1 * sizeof (int)) + 1497*0Sstevel@tonic-gate strlen(req.physpath) + 1; 1498*0Sstevel@tonic-gate 1499*0Sstevel@tonic-gate rp = kmem_zalloc(size, KM_SLEEP); 1500*0Sstevel@tonic-gate rp->ptr_size = size; 1501*0Sstevel@tonic-gate rp->ptr_numcomps = 0; /* means device threshold */ 1502*0Sstevel@tonic-gate ep = (pm_pte_t *)((intptr_t)rp + sizeof (*rp)); 1503*0Sstevel@tonic-gate rp->ptr_entries = ep; 1504*0Sstevel@tonic-gate tp = (int *)((intptr_t)ep + 1505*0Sstevel@tonic-gate (1 * sizeof (pm_pte_t))); 1506*0Sstevel@tonic-gate ep->pte_numthresh = 1; 1507*0Sstevel@tonic-gate ep->pte_thresh = tp; 1508*0Sstevel@tonic-gate *tp++ = req.value; 1509*0Sstevel@tonic-gate (void) strcat((char *)tp, req.physpath); 1510*0Sstevel@tonic-gate rp->ptr_physpath = (char *)tp; 1511*0Sstevel@tonic-gate ASSERT((intptr_t)tp + strlen(req.physpath) + 1 == 1512*0Sstevel@tonic-gate (intptr_t)rp + rp->ptr_size); 1513*0Sstevel@tonic-gate PMD(PMD_THRESH, ("ioctl: %s: record thresh %d for " 1514*0Sstevel@tonic-gate "%s\n", cmdstr, req.value, req.physpath)) 1515*0Sstevel@tonic-gate pm_record_thresh(rp); 1516*0Sstevel@tonic-gate /* 1517*0Sstevel@tonic-gate * Don't free rp, pm_record_thresh() keeps it. 1518*0Sstevel@tonic-gate * We don't try to apply it ourselves because we'd need 1519*0Sstevel@tonic-gate * to know too much about locking. Since we don't 1520*0Sstevel@tonic-gate * hold a lock the entry could be removed before 1521*0Sstevel@tonic-gate * we get here 1522*0Sstevel@tonic-gate */ 1523*0Sstevel@tonic-gate ASSERT(dip == NULL); 1524*0Sstevel@tonic-gate ret = 0; /* can't fail now */ 1525*0Sstevel@tonic-gate if (!(dip = pm_name_to_dip(req.physpath, 1))) { 1526*0Sstevel@tonic-gate break; 1527*0Sstevel@tonic-gate } 1528*0Sstevel@tonic-gate (void) pm_thresh_specd(dip); 1529*0Sstevel@tonic-gate PMD(PMD_DHR, ("ioctl: %s: releasing %s@%s(%s#%d)\n", 1530*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip))) 1531*0Sstevel@tonic-gate PM_RELE(dip); 1532*0Sstevel@tonic-gate break; 1533*0Sstevel@tonic-gate } 1534*0Sstevel@tonic-gate 1535*0Sstevel@tonic-gate case PM_RESET_DEVICE_THRESHOLD: 1536*0Sstevel@tonic-gate { 1537*0Sstevel@tonic-gate /* 1538*0Sstevel@tonic-gate * This only applies to a currently attached and power 1539*0Sstevel@tonic-gate * managed node 1540*0Sstevel@tonic-gate */ 1541*0Sstevel@tonic-gate /* 1542*0Sstevel@tonic-gate * We don't do this to old-style drivers 1543*0Sstevel@tonic-gate */ 1544*0Sstevel@tonic-gate info = PM_GET_PM_INFO(dip); 1545*0Sstevel@tonic-gate if (info == NULL) { 1546*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s not power " 1547*0Sstevel@tonic-gate "managed\n", cmdstr, req.physpath)) 1548*0Sstevel@tonic-gate ret = EINVAL; 1549*0Sstevel@tonic-gate break; 1550*0Sstevel@tonic-gate } 1551*0Sstevel@tonic-gate if (PM_ISBC(dip)) { 1552*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s is BC\n", 1553*0Sstevel@tonic-gate cmdstr, req.physpath)) 1554*0Sstevel@tonic-gate ret = EINVAL; 1555*0Sstevel@tonic-gate break; 1556*0Sstevel@tonic-gate } 1557*0Sstevel@tonic-gate pm_unrecord_threshold(req.physpath); 1558*0Sstevel@tonic-gate pm_set_device_threshold(dip, pm_system_idle_threshold, 1559*0Sstevel@tonic-gate PMC_DEF_THRESH); 1560*0Sstevel@tonic-gate ret = 0; 1561*0Sstevel@tonic-gate break; 1562*0Sstevel@tonic-gate } 1563*0Sstevel@tonic-gate 1564*0Sstevel@tonic-gate case PM_GET_NUM_COMPONENTS: 1565*0Sstevel@tonic-gate ret = 0; 1566*0Sstevel@tonic-gate *rval_p = PM_NUMCMPTS(dip); 1567*0Sstevel@tonic-gate break; 1568*0Sstevel@tonic-gate 1569*0Sstevel@tonic-gate case PM_GET_DEVICE_TYPE: 1570*0Sstevel@tonic-gate ret = 0; 1571*0Sstevel@tonic-gate if ((info = PM_GET_PM_INFO(dip)) == NULL) { 1572*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: " 1573*0Sstevel@tonic-gate "PM_NO_PM_COMPONENTS\n", cmdstr)) 1574*0Sstevel@tonic-gate *rval_p = PM_NO_PM_COMPONENTS; 1575*0Sstevel@tonic-gate break; 1576*0Sstevel@tonic-gate } 1577*0Sstevel@tonic-gate if (PM_ISBC(dip)) { 1578*0Sstevel@tonic-gate *rval_p = PM_CREATE_COMPONENTS; 1579*0Sstevel@tonic-gate } else { 1580*0Sstevel@tonic-gate *rval_p = PM_AUTOPM; 1581*0Sstevel@tonic-gate } 1582*0Sstevel@tonic-gate break; 1583*0Sstevel@tonic-gate 1584*0Sstevel@tonic-gate case PM_SET_COMPONENT_THRESHOLDS: 1585*0Sstevel@tonic-gate { 1586*0Sstevel@tonic-gate int comps = 0; 1587*0Sstevel@tonic-gate int *end = (int *)req.data + icount; 1588*0Sstevel@tonic-gate pm_thresh_rec_t *rp; 1589*0Sstevel@tonic-gate pm_pte_t *ep; /* threshold header storage */ 1590*0Sstevel@tonic-gate int *tp; /* threshold storage */ 1591*0Sstevel@tonic-gate int *ip; 1592*0Sstevel@tonic-gate int j; 1593*0Sstevel@tonic-gate size_t size; 1594*0Sstevel@tonic-gate extern int pm_thresh_specd(dev_info_t *); 1595*0Sstevel@tonic-gate extern int pm_valid_thresh(dev_info_t *, 1596*0Sstevel@tonic-gate pm_thresh_rec_t *); 1597*0Sstevel@tonic-gate 1598*0Sstevel@tonic-gate for (ip = req.data; *ip; ip++) { 1599*0Sstevel@tonic-gate if (ip >= end) { 1600*0Sstevel@tonic-gate ret = EFAULT; 1601*0Sstevel@tonic-gate break; 1602*0Sstevel@tonic-gate } 1603*0Sstevel@tonic-gate comps++; 1604*0Sstevel@tonic-gate /* skip over indicated number of entries */ 1605*0Sstevel@tonic-gate for (j = *ip; j; j--) { 1606*0Sstevel@tonic-gate if (++ip >= end) { 1607*0Sstevel@tonic-gate ret = EFAULT; 1608*0Sstevel@tonic-gate break; 1609*0Sstevel@tonic-gate } 1610*0Sstevel@tonic-gate } 1611*0Sstevel@tonic-gate if (ret) 1612*0Sstevel@tonic-gate break; 1613*0Sstevel@tonic-gate } 1614*0Sstevel@tonic-gate if (ret) 1615*0Sstevel@tonic-gate break; 1616*0Sstevel@tonic-gate if ((intptr_t)ip != (intptr_t)end - sizeof (int)) { 1617*0Sstevel@tonic-gate /* did not exactly fill buffer */ 1618*0Sstevel@tonic-gate ret = EINVAL; 1619*0Sstevel@tonic-gate break; 1620*0Sstevel@tonic-gate } 1621*0Sstevel@tonic-gate if (comps == 0) { 1622*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s 0 components" 1623*0Sstevel@tonic-gate "--EINVAL\n", cmdstr, req.physpath)) 1624*0Sstevel@tonic-gate ret = EINVAL; 1625*0Sstevel@tonic-gate break; 1626*0Sstevel@tonic-gate } 1627*0Sstevel@tonic-gate /* 1628*0Sstevel@tonic-gate * The header struct plus one entry struct per component 1629*0Sstevel@tonic-gate * plus the size of the lists minus the counts 1630*0Sstevel@tonic-gate * plus the length of the string 1631*0Sstevel@tonic-gate */ 1632*0Sstevel@tonic-gate size = sizeof (pm_thresh_rec_t) + 1633*0Sstevel@tonic-gate (sizeof (pm_pte_t) * comps) + req.datasize - 1634*0Sstevel@tonic-gate ((comps + 1) * sizeof (int)) + 1635*0Sstevel@tonic-gate strlen(req.physpath) + 1; 1636*0Sstevel@tonic-gate 1637*0Sstevel@tonic-gate rp = kmem_zalloc(size, KM_SLEEP); 1638*0Sstevel@tonic-gate rp->ptr_size = size; 1639*0Sstevel@tonic-gate rp->ptr_numcomps = comps; 1640*0Sstevel@tonic-gate ep = (pm_pte_t *)((intptr_t)rp + sizeof (*rp)); 1641*0Sstevel@tonic-gate rp->ptr_entries = ep; 1642*0Sstevel@tonic-gate tp = (int *)((intptr_t)ep + 1643*0Sstevel@tonic-gate (comps * sizeof (pm_pte_t))); 1644*0Sstevel@tonic-gate for (ip = req.data; *ip; ep++) { 1645*0Sstevel@tonic-gate ep->pte_numthresh = *ip; 1646*0Sstevel@tonic-gate ep->pte_thresh = tp; 1647*0Sstevel@tonic-gate for (j = *ip++; j; j--) { 1648*0Sstevel@tonic-gate *tp++ = *ip++; 1649*0Sstevel@tonic-gate } 1650*0Sstevel@tonic-gate } 1651*0Sstevel@tonic-gate (void) strcat((char *)tp, req.physpath); 1652*0Sstevel@tonic-gate rp->ptr_physpath = (char *)tp; 1653*0Sstevel@tonic-gate ASSERT((intptr_t)end == (intptr_t)ip + sizeof (int)); 1654*0Sstevel@tonic-gate ASSERT((intptr_t)tp + strlen(req.physpath) + 1 == 1655*0Sstevel@tonic-gate (intptr_t)rp + rp->ptr_size); 1656*0Sstevel@tonic-gate 1657*0Sstevel@tonic-gate ASSERT(dip == NULL); 1658*0Sstevel@tonic-gate /* 1659*0Sstevel@tonic-gate * If this is not a currently power managed node, 1660*0Sstevel@tonic-gate * then we can't check for validity of the thresholds 1661*0Sstevel@tonic-gate */ 1662*0Sstevel@tonic-gate if (!(dip = pm_name_to_dip(req.physpath, 1))) { 1663*0Sstevel@tonic-gate /* don't free rp, pm_record_thresh uses it */ 1664*0Sstevel@tonic-gate pm_record_thresh(rp); 1665*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: pm_name_to_dip " 1666*0Sstevel@tonic-gate "for %s failed\n", cmdstr, req.physpath)) 1667*0Sstevel@tonic-gate ret = 0; 1668*0Sstevel@tonic-gate break; 1669*0Sstevel@tonic-gate } 1670*0Sstevel@tonic-gate ASSERT(!dipheld); 1671*0Sstevel@tonic-gate dipheld++; 1672*0Sstevel@tonic-gate 1673*0Sstevel@tonic-gate if (!pm_valid_thresh(dip, rp)) { 1674*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: invalid thresh " 1675*0Sstevel@tonic-gate "for %s@%s(%s#%d)\n", cmdstr, 1676*0Sstevel@tonic-gate PM_DEVICE(dip))) 1677*0Sstevel@tonic-gate kmem_free(rp, size); 1678*0Sstevel@tonic-gate ret = EINVAL; 1679*0Sstevel@tonic-gate break; 1680*0Sstevel@tonic-gate } 1681*0Sstevel@tonic-gate /* 1682*0Sstevel@tonic-gate * We don't just apply it ourselves because we'd need 1683*0Sstevel@tonic-gate * to know too much about locking. Since we don't 1684*0Sstevel@tonic-gate * hold a lock the entry could be removed before 1685*0Sstevel@tonic-gate * we get here 1686*0Sstevel@tonic-gate */ 1687*0Sstevel@tonic-gate pm_record_thresh(rp); 1688*0Sstevel@tonic-gate (void) pm_thresh_specd(dip); 1689*0Sstevel@tonic-gate ret = 0; 1690*0Sstevel@tonic-gate break; 1691*0Sstevel@tonic-gate } 1692*0Sstevel@tonic-gate 1693*0Sstevel@tonic-gate case PM_GET_COMPONENT_THRESHOLDS: 1694*0Sstevel@tonic-gate { 1695*0Sstevel@tonic-gate int musthave; 1696*0Sstevel@tonic-gate int numthresholds = 0; 1697*0Sstevel@tonic-gate int wordsize; 1698*0Sstevel@tonic-gate int numcomps; 1699*0Sstevel@tonic-gate caddr_t uaddr = req.data; /* user address */ 1700*0Sstevel@tonic-gate int val; /* int value to be copied out */ 1701*0Sstevel@tonic-gate int32_t val32; /* int32 value to be copied out */ 1702*0Sstevel@tonic-gate caddr_t vaddr; /* address to copyout from */ 1703*0Sstevel@tonic-gate int j; 1704*0Sstevel@tonic-gate 1705*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 1706*0Sstevel@tonic-gate if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) { 1707*0Sstevel@tonic-gate wordsize = sizeof (int32_t); 1708*0Sstevel@tonic-gate } else 1709*0Sstevel@tonic-gate #endif /* _MULTI_DATAMODEL */ 1710*0Sstevel@tonic-gate { 1711*0Sstevel@tonic-gate wordsize = sizeof (int); 1712*0Sstevel@tonic-gate } 1713*0Sstevel@tonic-gate 1714*0Sstevel@tonic-gate ASSERT(dip); 1715*0Sstevel@tonic-gate 1716*0Sstevel@tonic-gate numcomps = PM_NUMCMPTS(dip); 1717*0Sstevel@tonic-gate for (i = 0; i < numcomps; i++) { 1718*0Sstevel@tonic-gate cp = PM_CP(dip, i); 1719*0Sstevel@tonic-gate numthresholds += cp->pmc_comp.pmc_numlevels - 1; 1720*0Sstevel@tonic-gate } 1721*0Sstevel@tonic-gate musthave = (numthresholds + numcomps + 1) * wordsize; 1722*0Sstevel@tonic-gate if (req.datasize < musthave) { 1723*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: size %ld, need " 1724*0Sstevel@tonic-gate "%d--EINVAL\n", cmdstr, req.datasize, 1725*0Sstevel@tonic-gate musthave)) 1726*0Sstevel@tonic-gate ret = EINVAL; 1727*0Sstevel@tonic-gate break; 1728*0Sstevel@tonic-gate } 1729*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 1730*0Sstevel@tonic-gate for (i = 0; i < numcomps; i++) { 1731*0Sstevel@tonic-gate int *thp; 1732*0Sstevel@tonic-gate cp = PM_CP(dip, i); 1733*0Sstevel@tonic-gate thp = cp->pmc_comp.pmc_thresh; 1734*0Sstevel@tonic-gate /* first copyout the count */ 1735*0Sstevel@tonic-gate if (wordsize == sizeof (int32_t)) { 1736*0Sstevel@tonic-gate val32 = cp->pmc_comp.pmc_numlevels - 1; 1737*0Sstevel@tonic-gate vaddr = (caddr_t)&val32; 1738*0Sstevel@tonic-gate } else { 1739*0Sstevel@tonic-gate val = cp->pmc_comp.pmc_numlevels - 1; 1740*0Sstevel@tonic-gate vaddr = (caddr_t)&val; 1741*0Sstevel@tonic-gate } 1742*0Sstevel@tonic-gate if (ddi_copyout(vaddr, (void *)uaddr, 1743*0Sstevel@tonic-gate wordsize, mode) != 0) { 1744*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1745*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s" 1746*0Sstevel@tonic-gate "(%s#%d) vaddr %p EFAULT\n", 1747*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip), 1748*0Sstevel@tonic-gate (void*)vaddr)) 1749*0Sstevel@tonic-gate ret = EFAULT; 1750*0Sstevel@tonic-gate break; 1751*0Sstevel@tonic-gate } 1752*0Sstevel@tonic-gate vaddr = uaddr; 1753*0Sstevel@tonic-gate vaddr += wordsize; 1754*0Sstevel@tonic-gate uaddr = (caddr_t)vaddr; 1755*0Sstevel@tonic-gate /* then copyout each threshold value */ 1756*0Sstevel@tonic-gate for (j = 0; j < cp->pmc_comp.pmc_numlevels - 1; 1757*0Sstevel@tonic-gate j++) { 1758*0Sstevel@tonic-gate if (wordsize == sizeof (int32_t)) { 1759*0Sstevel@tonic-gate val32 = thp[j + 1]; 1760*0Sstevel@tonic-gate vaddr = (caddr_t)&val32; 1761*0Sstevel@tonic-gate } else { 1762*0Sstevel@tonic-gate val = thp[i + 1]; 1763*0Sstevel@tonic-gate vaddr = (caddr_t)&val; 1764*0Sstevel@tonic-gate } 1765*0Sstevel@tonic-gate if (ddi_copyout(vaddr, (void *) uaddr, 1766*0Sstevel@tonic-gate wordsize, mode) != 0) { 1767*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1768*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: " 1769*0Sstevel@tonic-gate "%s@%s(%s#%d) uaddr %p " 1770*0Sstevel@tonic-gate "EFAULT\n", cmdstr, 1771*0Sstevel@tonic-gate PM_DEVICE(dip), 1772*0Sstevel@tonic-gate (void *)uaddr)) 1773*0Sstevel@tonic-gate ret = EFAULT; 1774*0Sstevel@tonic-gate break; 1775*0Sstevel@tonic-gate } 1776*0Sstevel@tonic-gate vaddr = uaddr; 1777*0Sstevel@tonic-gate vaddr += wordsize; 1778*0Sstevel@tonic-gate uaddr = (caddr_t)vaddr; 1779*0Sstevel@tonic-gate } 1780*0Sstevel@tonic-gate } 1781*0Sstevel@tonic-gate if (ret) 1782*0Sstevel@tonic-gate break; 1783*0Sstevel@tonic-gate /* last copyout a terminating 0 count */ 1784*0Sstevel@tonic-gate if (wordsize == sizeof (int32_t)) { 1785*0Sstevel@tonic-gate val32 = 0; 1786*0Sstevel@tonic-gate vaddr = (caddr_t)&val32; 1787*0Sstevel@tonic-gate } else { 1788*0Sstevel@tonic-gate ASSERT(wordsize == sizeof (int)); 1789*0Sstevel@tonic-gate val = 0; 1790*0Sstevel@tonic-gate vaddr = (caddr_t)&val; 1791*0Sstevel@tonic-gate } 1792*0Sstevel@tonic-gate if (ddi_copyout(vaddr, uaddr, wordsize, mode) != 0) { 1793*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1794*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) " 1795*0Sstevel@tonic-gate "vaddr %p (0 count) EFAULT\n", cmdstr, 1796*0Sstevel@tonic-gate PM_DEVICE(dip), (void *)vaddr)) 1797*0Sstevel@tonic-gate ret = EFAULT; 1798*0Sstevel@tonic-gate break; 1799*0Sstevel@tonic-gate } 1800*0Sstevel@tonic-gate /* finished, so don't need to increment addresses */ 1801*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1802*0Sstevel@tonic-gate ret = 0; 1803*0Sstevel@tonic-gate break; 1804*0Sstevel@tonic-gate } 1805*0Sstevel@tonic-gate 1806*0Sstevel@tonic-gate case PM_GET_STATS: 1807*0Sstevel@tonic-gate { 1808*0Sstevel@tonic-gate time_t now; 1809*0Sstevel@tonic-gate time_t *timestamp; 1810*0Sstevel@tonic-gate extern int pm_cur_power(pm_component_t *cp); 1811*0Sstevel@tonic-gate int musthave; 1812*0Sstevel@tonic-gate int wordsize; 1813*0Sstevel@tonic-gate 1814*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 1815*0Sstevel@tonic-gate if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) { 1816*0Sstevel@tonic-gate wordsize = sizeof (int32_t); 1817*0Sstevel@tonic-gate } else 1818*0Sstevel@tonic-gate #endif /* _MULTI_DATAMODEL */ 1819*0Sstevel@tonic-gate { 1820*0Sstevel@tonic-gate wordsize = sizeof (int); 1821*0Sstevel@tonic-gate } 1822*0Sstevel@tonic-gate 1823*0Sstevel@tonic-gate comps = PM_NUMCMPTS(dip); 1824*0Sstevel@tonic-gate if (comps == 0 || PM_GET_PM_INFO(dip) == NULL) { 1825*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s no components" 1826*0Sstevel@tonic-gate " or not power managed--EINVAL\n", cmdstr, 1827*0Sstevel@tonic-gate req.physpath)) 1828*0Sstevel@tonic-gate ret = EINVAL; 1829*0Sstevel@tonic-gate break; 1830*0Sstevel@tonic-gate } 1831*0Sstevel@tonic-gate musthave = comps * 2 * wordsize; 1832*0Sstevel@tonic-gate if (req.datasize < musthave) { 1833*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: size %lu, need " 1834*0Sstevel@tonic-gate "%d--EINVAL\n", cmdstr, req.datasize, 1835*0Sstevel@tonic-gate musthave)) 1836*0Sstevel@tonic-gate ret = EINVAL; 1837*0Sstevel@tonic-gate break; 1838*0Sstevel@tonic-gate } 1839*0Sstevel@tonic-gate 1840*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 1841*0Sstevel@tonic-gate (void) drv_getparm(TIME, &now); 1842*0Sstevel@tonic-gate timestamp = kmem_zalloc(comps * sizeof (time_t), 1843*0Sstevel@tonic-gate KM_SLEEP); 1844*0Sstevel@tonic-gate pm_get_timestamps(dip, timestamp); 1845*0Sstevel@tonic-gate /* 1846*0Sstevel@tonic-gate * First the current power levels 1847*0Sstevel@tonic-gate */ 1848*0Sstevel@tonic-gate for (i = 0; i < comps; i++) { 1849*0Sstevel@tonic-gate int curpwr; 1850*0Sstevel@tonic-gate int32_t curpwr32; 1851*0Sstevel@tonic-gate caddr_t cpaddr; 1852*0Sstevel@tonic-gate 1853*0Sstevel@tonic-gate cp = PM_CP(dip, i); 1854*0Sstevel@tonic-gate if (wordsize == sizeof (int)) { 1855*0Sstevel@tonic-gate curpwr = pm_cur_power(cp); 1856*0Sstevel@tonic-gate cpaddr = (caddr_t)&curpwr; 1857*0Sstevel@tonic-gate } else { 1858*0Sstevel@tonic-gate ASSERT(wordsize == sizeof (int32_t)); 1859*0Sstevel@tonic-gate curpwr32 = pm_cur_power(cp); 1860*0Sstevel@tonic-gate cpaddr = (caddr_t)&curpwr32; 1861*0Sstevel@tonic-gate } 1862*0Sstevel@tonic-gate if (ddi_copyout(cpaddr, (void *) req.data, 1863*0Sstevel@tonic-gate wordsize, mode) != 0) { 1864*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1865*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s" 1866*0Sstevel@tonic-gate "(%s#%d) req.data %p EFAULT\n", 1867*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip), 1868*0Sstevel@tonic-gate (void *)req.data)) 1869*0Sstevel@tonic-gate ASSERT(!dipheld); 1870*0Sstevel@tonic-gate return (EFAULT); 1871*0Sstevel@tonic-gate } 1872*0Sstevel@tonic-gate cpaddr = (caddr_t)req.data; 1873*0Sstevel@tonic-gate cpaddr += wordsize; 1874*0Sstevel@tonic-gate req.data = cpaddr; 1875*0Sstevel@tonic-gate } 1876*0Sstevel@tonic-gate /* 1877*0Sstevel@tonic-gate * Then the times remaining 1878*0Sstevel@tonic-gate */ 1879*0Sstevel@tonic-gate for (i = 0; i < comps; i++) { 1880*0Sstevel@tonic-gate int retval; 1881*0Sstevel@tonic-gate int32_t retval32; 1882*0Sstevel@tonic-gate caddr_t rvaddr; 1883*0Sstevel@tonic-gate int curpwr; 1884*0Sstevel@tonic-gate 1885*0Sstevel@tonic-gate cp = PM_CP(dip, i); 1886*0Sstevel@tonic-gate curpwr = cp->pmc_cur_pwr; 1887*0Sstevel@tonic-gate if (curpwr == 0 || timestamp[i] == 0) { 1888*0Sstevel@tonic-gate PMD(PMD_STATS, ("ioctl: %s: " 1889*0Sstevel@tonic-gate "cur_pwer %x, timestamp %lx\n", 1890*0Sstevel@tonic-gate cmdstr, curpwr, timestamp[i])) 1891*0Sstevel@tonic-gate retval = INT_MAX; 1892*0Sstevel@tonic-gate } else { 1893*0Sstevel@tonic-gate int thresh; 1894*0Sstevel@tonic-gate (void) pm_current_threshold(dip, i, 1895*0Sstevel@tonic-gate &thresh); 1896*0Sstevel@tonic-gate retval = thresh - (now - timestamp[i]); 1897*0Sstevel@tonic-gate PMD(PMD_STATS, ("ioctl: %s: current " 1898*0Sstevel@tonic-gate "thresh %x, now %lx, timestamp %lx," 1899*0Sstevel@tonic-gate " retval %x\n", cmdstr, thresh, now, 1900*0Sstevel@tonic-gate timestamp[i], retval)) 1901*0Sstevel@tonic-gate } 1902*0Sstevel@tonic-gate if (wordsize == sizeof (int)) { 1903*0Sstevel@tonic-gate rvaddr = (caddr_t)&retval; 1904*0Sstevel@tonic-gate } else { 1905*0Sstevel@tonic-gate ASSERT(wordsize == sizeof (int32_t)); 1906*0Sstevel@tonic-gate retval32 = retval; 1907*0Sstevel@tonic-gate rvaddr = (caddr_t)&retval32; 1908*0Sstevel@tonic-gate } 1909*0Sstevel@tonic-gate if (ddi_copyout(rvaddr, (void *) req.data, 1910*0Sstevel@tonic-gate wordsize, mode) != 0) { 1911*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1912*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s" 1913*0Sstevel@tonic-gate "(%s#%d) req.data %p EFAULT\n", 1914*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip), 1915*0Sstevel@tonic-gate (void *)req.data)) 1916*0Sstevel@tonic-gate ASSERT(!dipheld); 1917*0Sstevel@tonic-gate return (EFAULT); 1918*0Sstevel@tonic-gate } 1919*0Sstevel@tonic-gate rvaddr = (caddr_t)req.data; 1920*0Sstevel@tonic-gate rvaddr += wordsize; 1921*0Sstevel@tonic-gate req.data = (int *)rvaddr; 1922*0Sstevel@tonic-gate } 1923*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 1924*0Sstevel@tonic-gate *rval_p = comps; 1925*0Sstevel@tonic-gate ret = 0; 1926*0Sstevel@tonic-gate kmem_free(timestamp, comps * sizeof (time_t)); 1927*0Sstevel@tonic-gate break; 1928*0Sstevel@tonic-gate } 1929*0Sstevel@tonic-gate 1930*0Sstevel@tonic-gate case PM_GET_COMPONENT_NAME: 1931*0Sstevel@tonic-gate ASSERT(dip); 1932*0Sstevel@tonic-gate if (!e_pm_valid_comp(dip, req.component, &cp)) { 1933*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) " 1934*0Sstevel@tonic-gate "component %d > numcmpts - 1 %d--EINVAL\n", 1935*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip), req.component, 1936*0Sstevel@tonic-gate PM_NUMCMPTS(dip) - 1)) 1937*0Sstevel@tonic-gate ret = EINVAL; 1938*0Sstevel@tonic-gate break; 1939*0Sstevel@tonic-gate } 1940*0Sstevel@tonic-gate if (ret = copyoutstr(cp->pmc_comp.pmc_name, 1941*0Sstevel@tonic-gate (char *)req.data, req.datasize, &lencopied)) { 1942*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) " 1943*0Sstevel@tonic-gate "copyoutstr %p failed--EFAULT\n", cmdstr, 1944*0Sstevel@tonic-gate PM_DEVICE(dip), (void *)req.data)) 1945*0Sstevel@tonic-gate break; 1946*0Sstevel@tonic-gate } 1947*0Sstevel@tonic-gate *rval_p = lencopied; 1948*0Sstevel@tonic-gate ret = 0; 1949*0Sstevel@tonic-gate break; 1950*0Sstevel@tonic-gate 1951*0Sstevel@tonic-gate case PM_GET_POWER_NAME: 1952*0Sstevel@tonic-gate { 1953*0Sstevel@tonic-gate int i; 1954*0Sstevel@tonic-gate 1955*0Sstevel@tonic-gate ASSERT(dip); 1956*0Sstevel@tonic-gate if (!e_pm_valid_comp(dip, req.component, &cp)) { 1957*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) " 1958*0Sstevel@tonic-gate "component %d > numcmpts - 1 %d--EINVAL\n", 1959*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip), req.component, 1960*0Sstevel@tonic-gate PM_NUMCMPTS(dip) - 1)) 1961*0Sstevel@tonic-gate ret = EINVAL; 1962*0Sstevel@tonic-gate break; 1963*0Sstevel@tonic-gate } 1964*0Sstevel@tonic-gate if ((i = req.value) < 0 || 1965*0Sstevel@tonic-gate i > cp->pmc_comp.pmc_numlevels - 1) { 1966*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) " 1967*0Sstevel@tonic-gate "value %d > num_levels - 1 %d--EINVAL\n", 1968*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip), req.value, 1969*0Sstevel@tonic-gate cp->pmc_comp.pmc_numlevels - 1)) 1970*0Sstevel@tonic-gate ret = EINVAL; 1971*0Sstevel@tonic-gate break; 1972*0Sstevel@tonic-gate } 1973*0Sstevel@tonic-gate dep = cp->pmc_comp.pmc_lnames[req.value]; 1974*0Sstevel@tonic-gate if (ret = copyoutstr(dep, 1975*0Sstevel@tonic-gate req.data, req.datasize, &lencopied)) { 1976*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) " 1977*0Sstevel@tonic-gate "copyoutstr %p failed--EFAULT\n", cmdstr, 1978*0Sstevel@tonic-gate PM_DEVICE(dip), (void *)req.data)) 1979*0Sstevel@tonic-gate break; 1980*0Sstevel@tonic-gate } 1981*0Sstevel@tonic-gate *rval_p = lencopied; 1982*0Sstevel@tonic-gate ret = 0; 1983*0Sstevel@tonic-gate break; 1984*0Sstevel@tonic-gate } 1985*0Sstevel@tonic-gate 1986*0Sstevel@tonic-gate case PM_GET_POWER_LEVELS: 1987*0Sstevel@tonic-gate { 1988*0Sstevel@tonic-gate int musthave; 1989*0Sstevel@tonic-gate int numlevels; 1990*0Sstevel@tonic-gate int wordsize; 1991*0Sstevel@tonic-gate 1992*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 1993*0Sstevel@tonic-gate if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) { 1994*0Sstevel@tonic-gate wordsize = sizeof (int32_t); 1995*0Sstevel@tonic-gate } else 1996*0Sstevel@tonic-gate #endif /* _MULTI_DATAMODEL */ 1997*0Sstevel@tonic-gate { 1998*0Sstevel@tonic-gate wordsize = sizeof (int); 1999*0Sstevel@tonic-gate } 2000*0Sstevel@tonic-gate ASSERT(dip); 2001*0Sstevel@tonic-gate 2002*0Sstevel@tonic-gate if (!e_pm_valid_comp(dip, req.component, &cp)) { 2003*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) " 2004*0Sstevel@tonic-gate "has %d components, component %d requested" 2005*0Sstevel@tonic-gate "--EINVAL\n", cmdstr, PM_DEVICE(dip), 2006*0Sstevel@tonic-gate PM_NUMCMPTS(dip), req.component)) 2007*0Sstevel@tonic-gate ret = EINVAL; 2008*0Sstevel@tonic-gate break; 2009*0Sstevel@tonic-gate } 2010*0Sstevel@tonic-gate numlevels = cp->pmc_comp.pmc_numlevels; 2011*0Sstevel@tonic-gate musthave = numlevels * wordsize; 2012*0Sstevel@tonic-gate if (req.datasize < musthave) { 2013*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: size %lu, need " 2014*0Sstevel@tonic-gate "%d--EINVAL\n", cmdstr, req.datasize, 2015*0Sstevel@tonic-gate musthave)) 2016*0Sstevel@tonic-gate ret = EINVAL; 2017*0Sstevel@tonic-gate break; 2018*0Sstevel@tonic-gate } 2019*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 2020*0Sstevel@tonic-gate for (i = 0; i < numlevels; i++) { 2021*0Sstevel@tonic-gate int level; 2022*0Sstevel@tonic-gate int32_t level32; 2023*0Sstevel@tonic-gate caddr_t laddr; 2024*0Sstevel@tonic-gate 2025*0Sstevel@tonic-gate if (wordsize == sizeof (int)) { 2026*0Sstevel@tonic-gate level = cp->pmc_comp.pmc_lvals[i]; 2027*0Sstevel@tonic-gate laddr = (caddr_t)&level; 2028*0Sstevel@tonic-gate } else { 2029*0Sstevel@tonic-gate level32 = cp->pmc_comp.pmc_lvals[i]; 2030*0Sstevel@tonic-gate laddr = (caddr_t)&level32; 2031*0Sstevel@tonic-gate } 2032*0Sstevel@tonic-gate if (ddi_copyout(laddr, (void *) req.data, 2033*0Sstevel@tonic-gate wordsize, mode) != 0) { 2034*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 2035*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s" 2036*0Sstevel@tonic-gate "(%s#%d) laddr %p EFAULT\n", 2037*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip), 2038*0Sstevel@tonic-gate (void *)laddr)) 2039*0Sstevel@tonic-gate ASSERT(!dipheld); 2040*0Sstevel@tonic-gate return (EFAULT); 2041*0Sstevel@tonic-gate } 2042*0Sstevel@tonic-gate laddr = (caddr_t)req.data; 2043*0Sstevel@tonic-gate laddr += wordsize; 2044*0Sstevel@tonic-gate req.data = (int *)laddr; 2045*0Sstevel@tonic-gate } 2046*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 2047*0Sstevel@tonic-gate *rval_p = numlevels; 2048*0Sstevel@tonic-gate ret = 0; 2049*0Sstevel@tonic-gate break; 2050*0Sstevel@tonic-gate } 2051*0Sstevel@tonic-gate 2052*0Sstevel@tonic-gate 2053*0Sstevel@tonic-gate case PM_GET_NUM_POWER_LEVELS: 2054*0Sstevel@tonic-gate if (!e_pm_valid_comp(dip, req.component, &cp)) { 2055*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) " 2056*0Sstevel@tonic-gate "component %d > numcmpts - 1 %d--EINVAL\n", 2057*0Sstevel@tonic-gate cmdstr, PM_DEVICE(dip), req.component, 2058*0Sstevel@tonic-gate PM_NUMCMPTS(dip) - 1)) 2059*0Sstevel@tonic-gate ret = EINVAL; 2060*0Sstevel@tonic-gate break; 2061*0Sstevel@tonic-gate } 2062*0Sstevel@tonic-gate *rval_p = cp->pmc_comp.pmc_numlevels; 2063*0Sstevel@tonic-gate ret = 0; 2064*0Sstevel@tonic-gate break; 2065*0Sstevel@tonic-gate 2066*0Sstevel@tonic-gate case PM_GET_DEVICE_THRESHOLD_BASIS: 2067*0Sstevel@tonic-gate ret = 0; 2068*0Sstevel@tonic-gate PM_LOCK_DIP(dip); 2069*0Sstevel@tonic-gate if ((info = PM_GET_PM_INFO(dip)) == NULL) { 2070*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 2071*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: " 2072*0Sstevel@tonic-gate "PM_NO_PM_COMPONENTS\n", cmdstr)) 2073*0Sstevel@tonic-gate *rval_p = PM_NO_PM_COMPONENTS; 2074*0Sstevel@tonic-gate break; 2075*0Sstevel@tonic-gate } 2076*0Sstevel@tonic-gate if (PM_ISDIRECT(dip)) { 2077*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 2078*0Sstevel@tonic-gate *rval_p = PM_DIRECTLY_MANAGED; 2079*0Sstevel@tonic-gate break; 2080*0Sstevel@tonic-gate } 2081*0Sstevel@tonic-gate switch (DEVI(dip)->devi_pm_flags & PMC_THRESH_ALL) { 2082*0Sstevel@tonic-gate case PMC_DEF_THRESH: 2083*0Sstevel@tonic-gate case PMC_NEXDEF_THRESH: 2084*0Sstevel@tonic-gate *rval_p = PM_DEFAULT_THRESHOLD; 2085*0Sstevel@tonic-gate break; 2086*0Sstevel@tonic-gate case PMC_DEV_THRESH: 2087*0Sstevel@tonic-gate *rval_p = PM_DEVICE_THRESHOLD; 2088*0Sstevel@tonic-gate break; 2089*0Sstevel@tonic-gate case PMC_COMP_THRESH: 2090*0Sstevel@tonic-gate *rval_p = PM_COMPONENT_THRESHOLD; 2091*0Sstevel@tonic-gate break; 2092*0Sstevel@tonic-gate default: 2093*0Sstevel@tonic-gate if (PM_ISBC(dip)) { 2094*0Sstevel@tonic-gate *rval_p = PM_OLD_THRESHOLD; 2095*0Sstevel@tonic-gate break; 2096*0Sstevel@tonic-gate } 2097*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: default, not " 2098*0Sstevel@tonic-gate "BC--EINVAL", cmdstr)) 2099*0Sstevel@tonic-gate ret = EINVAL; 2100*0Sstevel@tonic-gate break; 2101*0Sstevel@tonic-gate } 2102*0Sstevel@tonic-gate PM_UNLOCK_DIP(dip); 2103*0Sstevel@tonic-gate break; 2104*0Sstevel@tonic-gate } 2105*0Sstevel@tonic-gate break; 2106*0Sstevel@tonic-gate 2107*0Sstevel@tonic-gate case PM_PSC: 2108*0Sstevel@tonic-gate /* 2109*0Sstevel@tonic-gate * Commands that require pm_state_change_t as arg 2110*0Sstevel@tonic-gate */ 2111*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 2112*0Sstevel@tonic-gate if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) { 2113*0Sstevel@tonic-gate pscp32 = (pm_state_change32_t *)arg; 2114*0Sstevel@tonic-gate if (ddi_copyin((caddr_t)arg, &psc32, 2115*0Sstevel@tonic-gate sizeof (psc32), mode) != 0) { 2116*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: ddi_copyin " 2117*0Sstevel@tonic-gate "EFAULT\n\n", cmdstr)) 2118*0Sstevel@tonic-gate ASSERT(!dipheld); 2119*0Sstevel@tonic-gate return (EFAULT); 2120*0Sstevel@tonic-gate } 2121*0Sstevel@tonic-gate psc.physpath = (caddr_t)(uintptr_t)psc32.physpath; 2122*0Sstevel@tonic-gate psc.size = psc32.size; 2123*0Sstevel@tonic-gate } else 2124*0Sstevel@tonic-gate #endif /* _MULTI_DATAMODEL */ 2125*0Sstevel@tonic-gate { 2126*0Sstevel@tonic-gate pscp = (pm_state_change_t *)arg; 2127*0Sstevel@tonic-gate if (ddi_copyin((caddr_t)arg, &psc, 2128*0Sstevel@tonic-gate sizeof (psc), mode) != 0) { 2129*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: ddi_copyin " 2130*0Sstevel@tonic-gate "EFAULT\n\n", cmdstr)) 2131*0Sstevel@tonic-gate ASSERT(!dipheld); 2132*0Sstevel@tonic-gate return (EFAULT); 2133*0Sstevel@tonic-gate } 2134*0Sstevel@tonic-gate } 2135*0Sstevel@tonic-gate switch (cmd) { 2136*0Sstevel@tonic-gate 2137*0Sstevel@tonic-gate case PM_GET_STATE_CHANGE: 2138*0Sstevel@tonic-gate case PM_GET_STATE_CHANGE_WAIT: 2139*0Sstevel@tonic-gate { 2140*0Sstevel@tonic-gate psce_t *pscep; 2141*0Sstevel@tonic-gate pm_state_change_t *p; 2142*0Sstevel@tonic-gate caddr_t physpath; 2143*0Sstevel@tonic-gate size_t physlen; 2144*0Sstevel@tonic-gate 2145*0Sstevel@tonic-gate /* 2146*0Sstevel@tonic-gate * We want to know if any device has changed state. 2147*0Sstevel@tonic-gate * We look up by clone. In case we have another thread 2148*0Sstevel@tonic-gate * from the same process, we loop. 2149*0Sstevel@tonic-gate * pm_psc_clone_to_interest() returns a locked entry. 2150*0Sstevel@tonic-gate * We create an internal copy of the event entry prior 2151*0Sstevel@tonic-gate * to copyout to user space because we don't want to 2152*0Sstevel@tonic-gate * hold the psce_lock while doing copyout as we might 2153*0Sstevel@tonic-gate * hit page fault which eventually brings us back 2154*0Sstevel@tonic-gate * here requesting the same lock. 2155*0Sstevel@tonic-gate */ 2156*0Sstevel@tonic-gate mutex_enter(&pm_clone_lock); 2157*0Sstevel@tonic-gate if (!pm_interest_registered(clone)) 2158*0Sstevel@tonic-gate pm_register_watcher(clone, NULL); 2159*0Sstevel@tonic-gate while ((pscep = 2160*0Sstevel@tonic-gate pm_psc_clone_to_interest(clone)) == NULL) { 2161*0Sstevel@tonic-gate if (cmd == PM_GET_STATE_CHANGE) { 2162*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: %s: " 2163*0Sstevel@tonic-gate "EWOULDBLOCK\n", cmdstr)) 2164*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 2165*0Sstevel@tonic-gate ASSERT(!dipheld); 2166*0Sstevel@tonic-gate return (EWOULDBLOCK); 2167*0Sstevel@tonic-gate } else { 2168*0Sstevel@tonic-gate if (cv_wait_sig(&pm_clones_cv[clone], 2169*0Sstevel@tonic-gate &pm_clone_lock) == 0) { 2170*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 2171*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s " 2172*0Sstevel@tonic-gate "EINTR\n", cmdstr)) 2173*0Sstevel@tonic-gate ASSERT(!dipheld); 2174*0Sstevel@tonic-gate return (EINTR); 2175*0Sstevel@tonic-gate } 2176*0Sstevel@tonic-gate } 2177*0Sstevel@tonic-gate } 2178*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 2179*0Sstevel@tonic-gate 2180*0Sstevel@tonic-gate physlen = pscep->psce_out->size; 2181*0Sstevel@tonic-gate physpath = NULL; 2182*0Sstevel@tonic-gate /* 2183*0Sstevel@tonic-gate * If we were unable to store the path while bringing 2184*0Sstevel@tonic-gate * up the console fb upon entering the prom, we give 2185*0Sstevel@tonic-gate * a "" name with the overrun event set 2186*0Sstevel@tonic-gate */ 2187*0Sstevel@tonic-gate if (physlen == (size_t)-1) { /* kmemalloc failed */ 2188*0Sstevel@tonic-gate physpath = kmem_zalloc(1, KM_SLEEP); 2189*0Sstevel@tonic-gate physlen = 1; 2190*0Sstevel@tonic-gate } 2191*0Sstevel@tonic-gate if ((psc.physpath == NULL) || (psc.size < physlen)) { 2192*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: EFAULT\n", cmdstr)) 2193*0Sstevel@tonic-gate mutex_exit(&pscep->psce_lock); 2194*0Sstevel@tonic-gate ret = EFAULT; 2195*0Sstevel@tonic-gate break; 2196*0Sstevel@tonic-gate } 2197*0Sstevel@tonic-gate if (physpath == NULL) { 2198*0Sstevel@tonic-gate physpath = kmem_zalloc(physlen, KM_SLEEP); 2199*0Sstevel@tonic-gate bcopy((const void *) pscep->psce_out->physpath, 2200*0Sstevel@tonic-gate (void *) physpath, physlen); 2201*0Sstevel@tonic-gate } 2202*0Sstevel@tonic-gate 2203*0Sstevel@tonic-gate p = pscep->psce_out; 2204*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 2205*0Sstevel@tonic-gate if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) { 2206*0Sstevel@tonic-gate #ifdef DEBUG 2207*0Sstevel@tonic-gate size_t usrcopysize; 2208*0Sstevel@tonic-gate #endif 2209*0Sstevel@tonic-gate psc32.flags = (ushort_t)p->flags; 2210*0Sstevel@tonic-gate psc32.event = (ushort_t)p->event; 2211*0Sstevel@tonic-gate psc32.timestamp = (int32_t)p->timestamp; 2212*0Sstevel@tonic-gate psc32.component = (int32_t)p->component; 2213*0Sstevel@tonic-gate psc32.old_level = (int32_t)p->old_level; 2214*0Sstevel@tonic-gate psc32.new_level = (int32_t)p->new_level; 2215*0Sstevel@tonic-gate copysize32 = ((intptr_t)&psc32.size - 2216*0Sstevel@tonic-gate (intptr_t)&psc32.component); 2217*0Sstevel@tonic-gate #ifdef DEBUG 2218*0Sstevel@tonic-gate usrcopysize = ((intptr_t)&pscp32->size - 2219*0Sstevel@tonic-gate (intptr_t)&pscp32->component); 2220*0Sstevel@tonic-gate ASSERT(usrcopysize == copysize32); 2221*0Sstevel@tonic-gate #endif 2222*0Sstevel@tonic-gate } else 2223*0Sstevel@tonic-gate #endif /* _MULTI_DATAMODEL */ 2224*0Sstevel@tonic-gate { 2225*0Sstevel@tonic-gate psc.flags = p->flags; 2226*0Sstevel@tonic-gate psc.event = p->event; 2227*0Sstevel@tonic-gate psc.timestamp = p->timestamp; 2228*0Sstevel@tonic-gate psc.component = p->component; 2229*0Sstevel@tonic-gate psc.old_level = p->old_level; 2230*0Sstevel@tonic-gate psc.new_level = p->new_level; 2231*0Sstevel@tonic-gate copysize = ((long)&p->size - 2232*0Sstevel@tonic-gate (long)&p->component); 2233*0Sstevel@tonic-gate } 2234*0Sstevel@tonic-gate if (p->size != (size_t)-1) 2235*0Sstevel@tonic-gate kmem_free(p->physpath, p->size); 2236*0Sstevel@tonic-gate p->size = 0; 2237*0Sstevel@tonic-gate p->physpath = NULL; 2238*0Sstevel@tonic-gate if (pscep->psce_out == pscep->psce_last) 2239*0Sstevel@tonic-gate p = pscep->psce_first; 2240*0Sstevel@tonic-gate else 2241*0Sstevel@tonic-gate p++; 2242*0Sstevel@tonic-gate pscep->psce_out = p; 2243*0Sstevel@tonic-gate mutex_exit(&pscep->psce_lock); 2244*0Sstevel@tonic-gate 2245*0Sstevel@tonic-gate ret = copyoutstr(physpath, psc.physpath, 2246*0Sstevel@tonic-gate physlen, &lencopied); 2247*0Sstevel@tonic-gate kmem_free(physpath, physlen); 2248*0Sstevel@tonic-gate if (ret) { 2249*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: copyoutstr %p " 2250*0Sstevel@tonic-gate "failed--EFAULT\n", cmdstr, 2251*0Sstevel@tonic-gate (void *)psc.physpath)) 2252*0Sstevel@tonic-gate break; 2253*0Sstevel@tonic-gate } 2254*0Sstevel@tonic-gate 2255*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 2256*0Sstevel@tonic-gate if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) { 2257*0Sstevel@tonic-gate if (ddi_copyout(&psc32.component, 2258*0Sstevel@tonic-gate &pscp32->component, copysize32, mode) 2259*0Sstevel@tonic-gate != 0) { 2260*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: copyout " 2261*0Sstevel@tonic-gate "failed--EFAULT\n", cmdstr)) 2262*0Sstevel@tonic-gate ret = EFAULT; 2263*0Sstevel@tonic-gate break; 2264*0Sstevel@tonic-gate } 2265*0Sstevel@tonic-gate } else 2266*0Sstevel@tonic-gate #endif /* _MULTI_DATAMODEL */ 2267*0Sstevel@tonic-gate { 2268*0Sstevel@tonic-gate if (ddi_copyout(&psc.component, 2269*0Sstevel@tonic-gate &pscp->component, copysize, mode) != 0) { 2270*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: copyout " 2271*0Sstevel@tonic-gate "failed--EFAULT\n", cmdstr)) 2272*0Sstevel@tonic-gate ret = EFAULT; 2273*0Sstevel@tonic-gate break; 2274*0Sstevel@tonic-gate } 2275*0Sstevel@tonic-gate } 2276*0Sstevel@tonic-gate ret = 0; 2277*0Sstevel@tonic-gate break; 2278*0Sstevel@tonic-gate } 2279*0Sstevel@tonic-gate 2280*0Sstevel@tonic-gate case PM_DIRECT_NOTIFY: 2281*0Sstevel@tonic-gate case PM_DIRECT_NOTIFY_WAIT: 2282*0Sstevel@tonic-gate { 2283*0Sstevel@tonic-gate psce_t *pscep; 2284*0Sstevel@tonic-gate pm_state_change_t *p; 2285*0Sstevel@tonic-gate caddr_t physpath; 2286*0Sstevel@tonic-gate size_t physlen; 2287*0Sstevel@tonic-gate /* 2288*0Sstevel@tonic-gate * We want to know if any direct device of ours has 2289*0Sstevel@tonic-gate * something we should know about. We look up by clone. 2290*0Sstevel@tonic-gate * In case we have another thread from the same process, 2291*0Sstevel@tonic-gate * we loop. 2292*0Sstevel@tonic-gate * pm_psc_clone_to_direct() returns a locked entry. 2293*0Sstevel@tonic-gate */ 2294*0Sstevel@tonic-gate mutex_enter(&pm_clone_lock); 2295*0Sstevel@tonic-gate while (pm_poll_cnt[clone] == 0 || 2296*0Sstevel@tonic-gate (pscep = pm_psc_clone_to_direct(clone)) == NULL) { 2297*0Sstevel@tonic-gate if (cmd == PM_DIRECT_NOTIFY) { 2298*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: %s: " 2299*0Sstevel@tonic-gate "EWOULDBLOCK\n", cmdstr)) 2300*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 2301*0Sstevel@tonic-gate ASSERT(!dipheld); 2302*0Sstevel@tonic-gate return (EWOULDBLOCK); 2303*0Sstevel@tonic-gate } else { 2304*0Sstevel@tonic-gate if (cv_wait_sig(&pm_clones_cv[clone], 2305*0Sstevel@tonic-gate &pm_clone_lock) == 0) { 2306*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 2307*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: " 2308*0Sstevel@tonic-gate "EINTR\n", cmdstr)) 2309*0Sstevel@tonic-gate ASSERT(!dipheld); 2310*0Sstevel@tonic-gate return (EINTR); 2311*0Sstevel@tonic-gate } 2312*0Sstevel@tonic-gate } 2313*0Sstevel@tonic-gate } 2314*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 2315*0Sstevel@tonic-gate physlen = pscep->psce_out->size; 2316*0Sstevel@tonic-gate if ((psc.physpath == NULL) || (psc.size < physlen)) { 2317*0Sstevel@tonic-gate mutex_exit(&pscep->psce_lock); 2318*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: EFAULT\n", 2319*0Sstevel@tonic-gate cmdstr)) 2320*0Sstevel@tonic-gate ret = EFAULT; 2321*0Sstevel@tonic-gate break; 2322*0Sstevel@tonic-gate } 2323*0Sstevel@tonic-gate physpath = kmem_zalloc(physlen, KM_SLEEP); 2324*0Sstevel@tonic-gate bcopy((const void *) pscep->psce_out->physpath, 2325*0Sstevel@tonic-gate (void *) physpath, physlen); 2326*0Sstevel@tonic-gate 2327*0Sstevel@tonic-gate p = pscep->psce_out; 2328*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 2329*0Sstevel@tonic-gate if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) { 2330*0Sstevel@tonic-gate #ifdef DEBUG 2331*0Sstevel@tonic-gate size_t usrcopysize; 2332*0Sstevel@tonic-gate #endif 2333*0Sstevel@tonic-gate psc32.component = (int32_t)p->component; 2334*0Sstevel@tonic-gate psc32.flags = (ushort_t)p->flags; 2335*0Sstevel@tonic-gate psc32.event = (ushort_t)p->event; 2336*0Sstevel@tonic-gate psc32.timestamp = (int32_t)p->timestamp; 2337*0Sstevel@tonic-gate psc32.old_level = (int32_t)p->old_level; 2338*0Sstevel@tonic-gate psc32.new_level = (int32_t)p->new_level; 2339*0Sstevel@tonic-gate copysize32 = (intptr_t)&psc32.size - 2340*0Sstevel@tonic-gate (intptr_t)&psc32.component; 2341*0Sstevel@tonic-gate PMD(PMD_DPM, ("ioctl: %s: PDN32 %s, comp %d " 2342*0Sstevel@tonic-gate "%d -> %d\n", cmdstr, physpath, 2343*0Sstevel@tonic-gate p->component, p->old_level, p->new_level)) 2344*0Sstevel@tonic-gate #ifdef DEBUG 2345*0Sstevel@tonic-gate usrcopysize = (intptr_t)&pscp32->size - 2346*0Sstevel@tonic-gate (intptr_t)&pscp32->component; 2347*0Sstevel@tonic-gate ASSERT(usrcopysize == copysize32); 2348*0Sstevel@tonic-gate #endif 2349*0Sstevel@tonic-gate } else 2350*0Sstevel@tonic-gate #endif 2351*0Sstevel@tonic-gate { 2352*0Sstevel@tonic-gate psc.component = p->component; 2353*0Sstevel@tonic-gate psc.flags = p->flags; 2354*0Sstevel@tonic-gate psc.event = p->event; 2355*0Sstevel@tonic-gate psc.timestamp = p->timestamp; 2356*0Sstevel@tonic-gate psc.old_level = p->old_level; 2357*0Sstevel@tonic-gate psc.new_level = p->new_level; 2358*0Sstevel@tonic-gate copysize = (intptr_t)&p->size - 2359*0Sstevel@tonic-gate (intptr_t)&p->component; 2360*0Sstevel@tonic-gate PMD(PMD_DPM, ("ioctl: %s: PDN %s, comp %d " 2361*0Sstevel@tonic-gate "%d -> %d\n", cmdstr, physpath, 2362*0Sstevel@tonic-gate p->component, p->old_level, p->new_level)) 2363*0Sstevel@tonic-gate } 2364*0Sstevel@tonic-gate mutex_enter(&pm_clone_lock); 2365*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: %s: pm_poll_cnt[%d] is %d " 2366*0Sstevel@tonic-gate "before decrement\n", cmdstr, clone, 2367*0Sstevel@tonic-gate pm_poll_cnt[clone])) 2368*0Sstevel@tonic-gate pm_poll_cnt[clone]--; 2369*0Sstevel@tonic-gate mutex_exit(&pm_clone_lock); 2370*0Sstevel@tonic-gate kmem_free(p->physpath, p->size); 2371*0Sstevel@tonic-gate p->size = 0; 2372*0Sstevel@tonic-gate p->physpath = NULL; 2373*0Sstevel@tonic-gate if (pscep->psce_out == pscep->psce_last) 2374*0Sstevel@tonic-gate p = pscep->psce_first; 2375*0Sstevel@tonic-gate else 2376*0Sstevel@tonic-gate p++; 2377*0Sstevel@tonic-gate pscep->psce_out = p; 2378*0Sstevel@tonic-gate mutex_exit(&pscep->psce_lock); 2379*0Sstevel@tonic-gate 2380*0Sstevel@tonic-gate ret = copyoutstr(physpath, psc.physpath, 2381*0Sstevel@tonic-gate physlen, &lencopied); 2382*0Sstevel@tonic-gate kmem_free(physpath, physlen); 2383*0Sstevel@tonic-gate if (ret) { 2384*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: copyoutstr %p " 2385*0Sstevel@tonic-gate "failed--EFAULT\n", cmdstr, 2386*0Sstevel@tonic-gate (void *)psc.physpath)) 2387*0Sstevel@tonic-gate break; 2388*0Sstevel@tonic-gate } 2389*0Sstevel@tonic-gate 2390*0Sstevel@tonic-gate #ifdef _MULTI_DATAMODEL 2391*0Sstevel@tonic-gate if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) { 2392*0Sstevel@tonic-gate if (ddi_copyout(&psc32.component, 2393*0Sstevel@tonic-gate &pscp32->component, copysize32, mode) 2394*0Sstevel@tonic-gate != 0) { 2395*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: copyout " 2396*0Sstevel@tonic-gate "failed--EFAULT\n", cmdstr)) 2397*0Sstevel@tonic-gate ret = EFAULT; 2398*0Sstevel@tonic-gate break; 2399*0Sstevel@tonic-gate } 2400*0Sstevel@tonic-gate } else 2401*0Sstevel@tonic-gate #endif /* _MULTI_DATAMODEL */ 2402*0Sstevel@tonic-gate { 2403*0Sstevel@tonic-gate if (ddi_copyout(&psc.component, 2404*0Sstevel@tonic-gate &pscp->component, copysize, mode) != 0) { 2405*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: copyout " 2406*0Sstevel@tonic-gate "failed--EFAULT\n", cmdstr)) 2407*0Sstevel@tonic-gate ret = EFAULT; 2408*0Sstevel@tonic-gate break; 2409*0Sstevel@tonic-gate } 2410*0Sstevel@tonic-gate } 2411*0Sstevel@tonic-gate ret = 0; 2412*0Sstevel@tonic-gate break; 2413*0Sstevel@tonic-gate } 2414*0Sstevel@tonic-gate default: 2415*0Sstevel@tonic-gate ASSERT(0); 2416*0Sstevel@tonic-gate } 2417*0Sstevel@tonic-gate break; 2418*0Sstevel@tonic-gate 2419*0Sstevel@tonic-gate case NOSTRUCT: 2420*0Sstevel@tonic-gate switch (cmd) { 2421*0Sstevel@tonic-gate case PM_START_PM: 2422*0Sstevel@tonic-gate mutex_enter(&pm_scan_lock); 2423*0Sstevel@tonic-gate if (autopm_enabled) { 2424*0Sstevel@tonic-gate mutex_exit(&pm_scan_lock); 2425*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: EBUSY\n", 2426*0Sstevel@tonic-gate cmdstr)) 2427*0Sstevel@tonic-gate ret = EBUSY; 2428*0Sstevel@tonic-gate break; 2429*0Sstevel@tonic-gate } 2430*0Sstevel@tonic-gate autopm_enabled = 1; 2431*0Sstevel@tonic-gate mutex_exit(&pm_scan_lock); 2432*0Sstevel@tonic-gate ddi_walk_devs(ddi_root_node(), pm_start_pm_walk, &cmd); 2433*0Sstevel@tonic-gate ret = 0; 2434*0Sstevel@tonic-gate break; 2435*0Sstevel@tonic-gate 2436*0Sstevel@tonic-gate case PM_RESET_PM: 2437*0Sstevel@tonic-gate case PM_STOP_PM: 2438*0Sstevel@tonic-gate { 2439*0Sstevel@tonic-gate extern void pm_discard_thresholds(void); 2440*0Sstevel@tonic-gate 2441*0Sstevel@tonic-gate mutex_enter(&pm_scan_lock); 2442*0Sstevel@tonic-gate if (!autopm_enabled && cmd != PM_RESET_PM) { 2443*0Sstevel@tonic-gate mutex_exit(&pm_scan_lock); 2444*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: EINVAL\n", 2445*0Sstevel@tonic-gate cmdstr)) 2446*0Sstevel@tonic-gate ret = EINVAL; 2447*0Sstevel@tonic-gate break; 2448*0Sstevel@tonic-gate } 2449*0Sstevel@tonic-gate autopm_enabled = 0; 2450*0Sstevel@tonic-gate mutex_exit(&pm_scan_lock); 2451*0Sstevel@tonic-gate /* 2452*0Sstevel@tonic-gate * bring devices to full power level, stop scan 2453*0Sstevel@tonic-gate */ 2454*0Sstevel@tonic-gate ddi_walk_devs(ddi_root_node(), pm_stop_pm_walk, &cmd); 2455*0Sstevel@tonic-gate ret = 0; 2456*0Sstevel@tonic-gate if (cmd == PM_STOP_PM) 2457*0Sstevel@tonic-gate break; 2458*0Sstevel@tonic-gate /* 2459*0Sstevel@tonic-gate * Now do only PM_RESET_PM stuff. 2460*0Sstevel@tonic-gate */ 2461*0Sstevel@tonic-gate pm_system_idle_threshold = pm_default_idle_threshold; 2462*0Sstevel@tonic-gate pm_discard_thresholds(); 2463*0Sstevel@tonic-gate pm_all_to_default_thresholds(); 2464*0Sstevel@tonic-gate pm_dispatch_to_dep_thread(PM_DEP_WK_REMOVE_DEP, 2465*0Sstevel@tonic-gate NULL, NULL, PM_DEP_WAIT, NULL, 0); 2466*0Sstevel@tonic-gate break; 2467*0Sstevel@tonic-gate } 2468*0Sstevel@tonic-gate 2469*0Sstevel@tonic-gate case PM_GET_SYSTEM_THRESHOLD: 2470*0Sstevel@tonic-gate *rval_p = pm_system_idle_threshold; 2471*0Sstevel@tonic-gate ret = 0; 2472*0Sstevel@tonic-gate break; 2473*0Sstevel@tonic-gate 2474*0Sstevel@tonic-gate case PM_GET_DEFAULT_SYSTEM_THRESHOLD: 2475*0Sstevel@tonic-gate *rval_p = pm_default_idle_threshold; 2476*0Sstevel@tonic-gate ret = 0; 2477*0Sstevel@tonic-gate break; 2478*0Sstevel@tonic-gate 2479*0Sstevel@tonic-gate case PM_SET_SYSTEM_THRESHOLD: 2480*0Sstevel@tonic-gate if ((int)arg < 0) { 2481*0Sstevel@tonic-gate PMD(PMD_ERROR, ("ioctl: %s: arg 0x%x < 0" 2482*0Sstevel@tonic-gate "--EINVAL\n", cmdstr, (int)arg)) 2483*0Sstevel@tonic-gate ret = EINVAL; 2484*0Sstevel@tonic-gate break; 2485*0Sstevel@tonic-gate } 2486*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: %s: 0x%x 0t%d\n", cmdstr, 2487*0Sstevel@tonic-gate (int)arg, (int)arg)) 2488*0Sstevel@tonic-gate pm_system_idle_threshold = (int)arg; 2489*0Sstevel@tonic-gate ddi_walk_devs(ddi_root_node(), pm_set_sys_threshold, 2490*0Sstevel@tonic-gate (void *) &pm_system_idle_threshold); 2491*0Sstevel@tonic-gate ret = 0; 2492*0Sstevel@tonic-gate break; 2493*0Sstevel@tonic-gate 2494*0Sstevel@tonic-gate case PM_IDLE_DOWN: 2495*0Sstevel@tonic-gate if (pm_timeout_idledown() != 0) { 2496*0Sstevel@tonic-gate ddi_walk_devs(ddi_root_node(), 2497*0Sstevel@tonic-gate pm_start_idledown, (void *)PMID_IOC); 2498*0Sstevel@tonic-gate } 2499*0Sstevel@tonic-gate ret = 0; 2500*0Sstevel@tonic-gate break; 2501*0Sstevel@tonic-gate 2502*0Sstevel@tonic-gate case PM_GET_PM_STATE: 2503*0Sstevel@tonic-gate if (autopm_enabled) { 2504*0Sstevel@tonic-gate *rval_p = PM_SYSTEM_PM_ENABLED; 2505*0Sstevel@tonic-gate } else { 2506*0Sstevel@tonic-gate *rval_p = PM_SYSTEM_PM_DISABLED; 2507*0Sstevel@tonic-gate } 2508*0Sstevel@tonic-gate ret = 0; 2509*0Sstevel@tonic-gate break; 2510*0Sstevel@tonic-gate } 2511*0Sstevel@tonic-gate break; 2512*0Sstevel@tonic-gate 2513*0Sstevel@tonic-gate 2514*0Sstevel@tonic-gate default: 2515*0Sstevel@tonic-gate /* 2516*0Sstevel@tonic-gate * Internal error, invalid ioctl description 2517*0Sstevel@tonic-gate * force debug entry even if pm_debug not set 2518*0Sstevel@tonic-gate */ 2519*0Sstevel@tonic-gate #ifdef DEBUG 2520*0Sstevel@tonic-gate pm_log("ioctl: invalid str_type %d for cmd %d (%s)\n", 2521*0Sstevel@tonic-gate pcip->str_type, cmd, pcip->name); 2522*0Sstevel@tonic-gate #endif 2523*0Sstevel@tonic-gate ASSERT(0); 2524*0Sstevel@tonic-gate return (EIO); 2525*0Sstevel@tonic-gate } 2526*0Sstevel@tonic-gate ASSERT(ret != 0x0badcafe); /* some cmd in wrong case! */ 2527*0Sstevel@tonic-gate if (dipheld) { 2528*0Sstevel@tonic-gate ASSERT(dip); 2529*0Sstevel@tonic-gate PMD(PMD_DHR, ("ioctl: %s: releasing %s@%s(%s#%d) for " 2530*0Sstevel@tonic-gate "exiting pm_ioctl\n", cmdstr, PM_DEVICE(dip))) 2531*0Sstevel@tonic-gate PM_RELE(dip); 2532*0Sstevel@tonic-gate } 2533*0Sstevel@tonic-gate PMD(PMD_IOCTL, ("ioctl: %s: end, ret=%d\n", cmdstr, ret)) 2534*0Sstevel@tonic-gate return (ret); 2535*0Sstevel@tonic-gate } 2536