usr/src/uts/common/sys/pm.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_PM_H
  27 #define _SYS_PM_H
  28
  29 #ifdef  __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #include <sys/types.h>
  34
  35 /*
  36  *      The following ioctls may not exist or may have a different
  37  *      interpretation in a future release.
  38  */
  39
  40 typedef enum {
  41         PM_SCHEDULE,            /* obsolete, not supported */
  42         PM_GET_IDLE_TIME,       /* obsolete, not supported  */
  43         PM_GET_NUM_CMPTS,       /* obsolete, not supported */
  44         PM_GET_THRESHOLD,       /* obsolete, not supported  */
  45         PM_SET_THRESHOLD,       /* obsolete */
  46         PM_GET_NORM_PWR,        /* obsolete */
  47         PM_SET_CUR_PWR,         /* obsolete */
  48         PM_GET_CUR_PWR,         /* obsolete */
  49         PM_GET_NUM_DEPS,        /* obsolete, not supported */
  50         PM_GET_DEP,             /* obsolete, not supported */
  51         PM_ADD_DEP,             /* obsolete */
  52         PM_REM_DEP,             /* obsolete, not supported */
  53         PM_REM_DEVICE,          /* obsolete, not supported */
  54         PM_REM_DEVICES,         /* obsolete */
  55         PM_REPARSE_PM_PROPS,    /* used only by ddivs pm tests */
  56         PM_DISABLE_AUTOPM,      /* obsolete */
  57         PM_REENABLE_AUTOPM,     /* obsolete */
  58         PM_SET_NORM_PWR,        /* obsolete, not supported */
  59         PM_SET_DEVICE_THRESHOLD,
  60         PM_GET_SYSTEM_THRESHOLD,
  61         PM_SET_SYSTEM_THRESHOLD,
  62         PM_START_PM,
  63         PM_STOP_PM,
  64         PM_RESET_PM,
  65         PM_GET_STATS,
  66         PM_GET_DEVICE_THRESHOLD,
  67         PM_GET_POWER_NAME,
  68         PM_GET_POWER_LEVELS,
  69         PM_GET_NUM_COMPONENTS,
  70         PM_GET_COMPONENT_NAME,
  71         PM_GET_NUM_POWER_LEVELS,
  72         PM_GET_STATE_CHANGE,
  73         PM_GET_STATE_CHANGE_WAIT,
  74         PM_DIRECT_PM,
  75         PM_RELEASE_DIRECT_PM,
  76         PM_DIRECT_NOTIFY,
  77         PM_DIRECT_NOTIFY_WAIT,
  78         PM_RESET_DEVICE_THRESHOLD,
  79         PM_GET_PM_STATE,
  80         PM_GET_DEVICE_TYPE,
  81         PM_SET_COMPONENT_THRESHOLDS,
  82         PM_GET_COMPONENT_THRESHOLDS,
  83         PM_IDLE_DOWN,
  84         PM_GET_DEVICE_THRESHOLD_BASIS,
  85         PM_SET_CURRENT_POWER,   /* replaces PM_SET_CUR_PWR */
  86         PM_GET_CURRENT_POWER,   /* replaces PM_GET_CUR_PWR */
  87         PM_GET_FULL_POWER,      /* replaces PM_GET_NORM_PWR */
  88         PM_ADD_DEPENDENT,       /* replaces PM_ADD_DEP */
  89         PM_GET_TIME_IDLE,       /* replaces PM_IDLE_TIME */
  90         PM_GET_DEFAULT_SYSTEM_THRESHOLD,
  91         PM_ADD_DEPENDENT_PROPERTY,
  92         PM_START_CPUPM,
  93         PM_START_CPUPM_EV,
  94         PM_START_CPUPM_POLL,
  95         PM_STOP_CPUPM,
  96         PM_GET_CPU_THRESHOLD,
  97         PM_SET_CPU_THRESHOLD,
  98         PM_GET_CPUPM_STATE,
  99         PM_ENABLE_S3,           /* allow pm to go to S3 state */
 100         PM_DISABLE_S3,          /* do not allow pm to go to S3 state */
 101         PM_ENTER_S3,            /* obsolete, not supported */
 102         PM_START_AUTOS3,
 103         PM_STOP_AUTOS3,
 104         PM_SEARCH_LIST,         /* search S3 enable/disable list */
 105         PM_GET_AUTOS3_STATE,
 106         PM_GET_S3_SUPPORT_STATE,
 107         PM_GET_CMD_NAME,
 108         PM_DISABLE_CPU_DEEP_IDLE,
 109         PM_ENABLE_CPU_DEEP_IDLE,
 110         PM_DEFAULT_CPU_DEEP_IDLE
 111 } pm_cmds;
 112
 113 /*
 114  * Old name for these ioctls.
 115  */
 116 #define PM_GET_POWER            PM_GET_NORM_PWR
 117 #define PM_SET_POWER            PM_SET_CUR_PWR
 118
 119 /*
 120  * This structure is obsolete and will be removed in a later release
 121  */
 122 typedef struct {
 123         caddr_t who;            /* Device to configure */
 124         int     select;         /* Selects the component or dependent */
 125                                 /* of the device */
 126         int     level;          /* Power or threshold level */
 127         caddr_t dependent;      /* Buffer to hold name of dependent */
 128         int     size;           /* Size of dependent buffer */
 129 } pm_request;
 130
 131 /*
 132  * This is the new struct that replaces pm_request
 133  */
 134 typedef struct pm_req {
 135         char    *physpath;      /* physical path of device to configure */
 136                                 /* see libdevinfo(3) */
 137         int     component;      /* Selects the component of the device */
 138         int     value;          /* power level, threshold value, or count */
 139         void    *data;          /* command-dependent variable sized data */
 140         size_t  datasize;       /* Size of data buffer */
 141 } pm_req_t;
 142
 143 /*
 144  * PM_SEARCH_LIST requires a list name, manufacturer and product name
 145  * Searches the named list for a matching tuple.
 146  * NOTE: This structure may be removed in a later release.
 147  */
 148 typedef struct pm_searchargs {
 149         char    *pms_listname;          /* name of list to search */
 150         char    *pms_manufacturer;      /* 1st elment of tuple */
 151         char    *pms_product;           /* 2nd elment of tuple */
 152 } pm_searchargs_t;
 153
 154 /*
 155  * Use these for PM_ADD_DEPENDENT and PM_ADD_DEPENDENT_PROPERTY
 156  */
 157 #define pmreq_keeper    physpath        /* keeper in the physpath field */
 158 #define pmreq_kept      data            /* kept in the data field */
 159
 160 /*
 161  * Possible values for the event field of pm_state_change below
 162  */
 163 typedef enum {
 164         PSC_PENDING_CHANGE,     /* device needs to change, is blocked */
 165         PSC_HAS_CHANGED         /* device level has changed */
 166 } psc_events;
 167
 168 #define PSC_EVENT_LOST  0x4000  /* buffer overrun */
 169 #define PSC_ALL_LOWEST  0x8000  /* all devices at lowest power */
 170
 171 /*
 172  * Special value for power level fields in pm_state_change below
 173  */
 174 #define PM_LEVEL_UNKNOWN        -1      /* power level is unknown */
 175
 176 typedef struct pm_state_change {
 177         caddr_t physpath;       /* Device which has changed state */
 178         int     component;      /* which component changed state */
 179 #if defined(_BIG_ENDIAN)
 180         ushort_t flags;         /* PSC_EVENT_LOST, PSC_ALL_LOWEST */
 181         ushort_t event;         /* type of event */
 182 #else
 183         ushort_t event;         /* type of event */
 184         ushort_t flags;         /* PSC_EVENT_LOST, PSC_ALL_LOWEST */
 185 #endif
 186         time_t  timestamp;      /* time of state change */
 187         int     old_level;      /* power level changing from */
 188         int     new_level;      /* power level changing to */
 189         size_t  size;           /* size of buffer physpath points to */
 190 } pm_state_change_t;
 191
 192 #ifdef _SYSCALL32
 193
 194 /* Kernel's view of ILP32 structure version. */
 195
 196 /*
 197  * This struct is obsolete and will be removed in a later release
 198  */
 199 typedef struct {
 200         caddr32_t       who;    /* Device to configure */
 201         int             select; /* Selects the component or dependent */
 202                                 /* of the device */
 203         int             level;  /* Power or threshold level */
 204         caddr32_t       dependent;      /* Buffer to hold name of */
 205                                         /* dependent */
 206         size32_t        size;   /* Size of dependent buffer */
 207 } pm_request32;
 208
 209 typedef struct pm_req32 {
 210         caddr32_t physpath;     /* physical path of device to configure */
 211                                 /* see libdevinfo(3) */
 212         int     component;      /* selects the component of the device */
 213         int     value;          /* power level, threshold value, or count */
 214         caddr32_t data;         /* command-dependent variable sized data */
 215         size32_t datasize;      /* Size of data buffer */
 216 } pm_req32_t;
 217
 218 typedef struct pm_state_change32 {
 219         caddr32_t       physpath;       /* Device which has changed state */
 220         int             component;      /* which component changed state */
 221 #if defined(_BIG_ENDIAN)
 222         ushort_t        flags;          /* PSC_EVENT_LOST, PSC_ALL_LOWEST */
 223         ushort_t        event;          /* type of event */
 224 #else
 225         ushort_t        event;          /* type of event */
 226         ushort_t        flags;          /* PSC_EVENT_LOST, PSC_ALL_LOWEST */
 227 #endif
 228         time32_t        timestamp;      /* time of state change */
 229         int             old_level;      /* power level changing from */
 230         int             new_level;      /* power level changing to */
 231         size32_t        size;           /* size of buffer physpath points to */
 232 } pm_state_change32_t;
 233
 234 typedef struct pm_searchargs32_t {
 235         caddr32_t       pms_listname;
 236         caddr32_t       pms_manufacturer;
 237         caddr32_t       pms_product;
 238 } pm_searchargs32_t;
 239
 240
 241 #endif
 242
 243 /*
 244  * Return values from ioctl commands that return pm state info.
 245  */
 246
 247 typedef enum {
 248         PM_SYSTEM_PM_ENABLED,
 249         PM_SYSTEM_PM_DISABLED,
 250         PM_NO_PM_COMPONENTS,
 251         PM_CREATE_COMPONENTS,
 252         PM_AUTOPM,
 253         PM_DEFAULT_THRESHOLD,
 254         PM_DEVICE_THRESHOLD,
 255         PM_COMPONENT_THRESHOLD,
 256         PM_OLD_THRESHOLD,
 257         PM_DIRECTLY_MANAGED,
 258         PM_CPU_THRESHOLD,
 259         PM_CPU_PM_ENABLED,
 260         PM_CPU_PM_DISABLED,
 261         PM_CPU_PM_NOTSET,
 262         PM_AUTOS3_ENABLED,
 263         PM_AUTOS3_DISABLED,
 264         PM_S3_SUPPORT_ENABLED,
 265         PM_S3_SUPPORT_DISABLED
 266 } pm_states;
 267
 268 #ifdef  __cplusplus
 269 }
 270 #endif
 271
 272 #endif  /* _SYS_PM_H */