iokit/Kernel/IOPMrootDomainInternal.h

   1 /*
   2  * Copyright (c) 2006-2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /* DO NOT MODIFY THIS FILE
  25  *
  26  * This file is a partial mirror of
  27  *    AppleIntelCPUPowerManagement/pmioctl.h
  28  * Changes may only be made to the original, pmioctl.h.
  29  * This file must be updated only when pmioctl.h changes.
  30  */
  31
  32 /*
  33  * Defines the IOCTLs for dealing with the CPU power management KEXT.
  34  */
  35 #ifndef _IOPMROOTDOMAINIOCTLS_H_
  36 #define _IOPMROOTDOMAINIOCTLS_H_
  37
  38 #include <sys/ioccom.h>
  39 #include <i386/pmCPU.h>
  40
  41 #define PMIOCGETVARIDINFO       _IOW('P', 25, uint64_t)
  42 #define PMIOCGETVARNAMEINFO     _IOW('P', 26, uint64_t)
  43 #define PMIOCSETVARINFO         _IOW('P', 27, uint64_t)
  44
  45 /*
  46  * Data structures used by IOCTLs
  47  */
  48 #pragma pack(4)
  49
  50 #define PMVARNAMELEN    16
  51
  52 typedef enum
  53 {
  54     vUnknown            = 0,            /* Unknown type */
  55     vBool               = 1,            /* Boolean value */
  56     vInt                = 2,            /* signed integer value */
  57     vUInt               = 3,            /* Unsigned integer value */
  58     vChars              = 4,            /* 8 characters */
  59     vInvalid            = -1            /* invalid type */
  60 } pmioctlVarType_t;
  61
  62 typedef struct pmioctlVaribleInfo
  63 {
  64     uint32_t            varID;          /* ID of variable */
  65     uint8_t             varName[PMVARNAMELEN+1];
  66     pmioctlVarType_t    varType;        /* type of variable's value */
  67     uint64_t            varInitValue;   /* variable's initial value */
  68     uint64_t            varCurValue;    /* variable's current value */
  69 } pmioctlVariableInfo_t;
  70
  71 #pragma pack()
  72
  73 #endif /* _IOPMROOTDOMAINIOCTLS_H_ */