xnu-4903.221.2.tar.gz

[apple/xnu.git] / iokit / IOKit / IOKitDebug.h

/*
 * Copyright (c) 1998-2010 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
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 */

#ifndef _IOKIT_IOKITDEBUG_H
#define _IOKIT_IOKITDEBUG_H

#include <IOKit/IOTypes.h>


#ifdef __cplusplus

#include <libkern/c++/OSObject.h>
#include <libkern/c++/OSDictionary.h>
#include <libkern/c++/OSSerialize.h>

class IOKitDiagnostics : public OSObject
{
    OSDeclareDefaultStructors(IOKitDiagnostics)

public:
    static OSObject * diagnostics( void );
    virtual bool serialize(OSSerialize *s) const APPLE_KEXT_OVERRIDE;
private:
    static void updateOffset( OSDictionary * dict,
            UInt64 value, const char * name );
};

#endif /* __cplusplus */

enum {
    // loggage
    kIOLogAttach        =         0x00000001ULL,
    kIOLogProbe         =         0x00000002ULL,
    kIOLogStart         =         0x00000004ULL,
    kIOLogRegister      =         0x00000008ULL,
    kIOLogMatch         =         0x00000010ULL,
    kIOLogConfig        =         0x00000020ULL,
    kIOLogYield         =         0x00000040ULL,
    kIOLogPower         =         0x00000080ULL,
    kIOLogMapping       =         0x00000100ULL,
    kIOLogCatalogue     =         0x00000200ULL,
	kIOLogTracePower    =         0x00000400ULL,  // Obsolete: Use iotrace=0x00000400ULL to enable now
    kIOLogDebugPower    =         0x00000800ULL,
    kIOLogServiceTree   =         0x00001000ULL,
    kIOLogDTree         =         0x00002000ULL,
    kIOLogMemory        =         0x00004000ULL,
    kIOLogKextMemory    =         0x00008000ULL,
    kOSLogRegistryMods  =         0x00010000ULL,  // Log attempts to modify registry collections
    kIOLogPMRootDomain  =         0x00020000ULL,
    kOSRegistryModsMode =         0x00040000ULL,  // Change default registry modification handling - panic vs. log
//    kIOTraceIOService   =         0x00080000ULL,  // Obsolete: Use iotrace=0x00080000ULL to enable now
    kIOLogHibernate     =         0x00100000ULL,
    kIOStatistics       =         0x04000000ULL,
    kIOSleepWakeWdogOff =         0x40000000ULL,
    kIOKextSpinDump     =         0x80000000ULL,

    // debug aids - change behaviour
    kIONoFreeObjects    =         0x00100000ULL,
//    kIOLogSynchronous   =         0x00200000ULL,  // IOLog completes synchronously -- obsolete
    kIOTracking         =         0x00400000ULL,
    kIOWaitQuietPanics  =         0x00800000ULL,
    kIOWaitQuietBeforeRoot =      0x01000000ULL,
    kIOTrackingBoot     =         0x02000000ULL,

    _kIODebugTopFlag    = 0x8000000000000000ULL   // force enum to be 64 bits
};

enum {
	kIOKitDebugUserOptions = 0
                           | kIOLogAttach
                           | kIOLogProbe
                           | kIOLogStart
                           | kIOLogRegister
                           | kIOLogMatch
                           | kIOLogConfig
                           | kIOLogYield
                           | kIOLogPower
                           | kIOLogMapping
                           | kIOLogCatalogue
                           | kIOLogTracePower
                           | kIOLogDebugPower
                           | kOSLogRegistryMods
                           | kIOLogPMRootDomain
                           | kOSRegistryModsMode
                           | kIOLogHibernate
                           | kIOSleepWakeWdogOff
                           | kIOKextSpinDump
                           | kIOWaitQuietPanics
};

enum {
	kIOTraceInterrupts		= 		0x00000001ULL,	// Trace primary interrupts
	kIOTraceWorkLoops		=		0x00000002ULL,	// Trace workloop activity
	kIOTraceEventSources	=		0x00000004ULL,	// Trace non-passive event sources
	kIOTraceIntEventSource	=		0x00000008ULL,	// Trace IOIES and IOFIES sources
	kIOTraceCommandGates	=		0x00000010ULL,	// Trace command gate activity
	kIOTraceTimers			= 		0x00000020ULL,	// Trace timer event source activity
	
	kIOTracePowerMgmt		=		0x00000400ULL,	// Trace power management changes
	
	kIOTraceIOService   	=		0x00080000ULL,	// registerService/termination
	
	kIOTraceCompatBootArgs	=		kIOTraceIOService | kIOTracePowerMgmt
};

extern SInt64    gIOKitDebug;
extern SInt64    gIOKitTrace;

#ifdef __cplusplus
extern "C" {
#endif

#ifdef __cplusplus
class IORegistryPlane;
#endif

extern void    IOPrintPlane(
#ifdef __cplusplus
                            const IORegistryPlane * plane
#else
                            const struct IORegistryPlane * plane
#endif
                           );
#ifndef _OSCPPDEBUG_H
extern void    OSPrintMemory( void );
#endif
#define IOPrintMemory OSPrintMemory



#define kIOKitDiagnosticsClientClassName "IOKitDiagnosticsClient"

enum
{
    kIOKitDiagnosticsClientType = 0x99000002
};


struct IOKitDiagnosticsParameters
{
    size_t    size;
    uint64_t  value;
    uint32_t  options;
    uint32_t  tag;
    uint32_t  zsize;
    uint32_t  reserved[8];
};
typedef struct IOKitDiagnosticsParameters IOKitDiagnosticsParameters;

enum
{ 
    kIOTrackingCallSiteBTs = 16,
};

struct IOTrackingCallSiteInfo
{
    uint32_t          count;
    pid_t             addressPID;
    mach_vm_address_t address;
    mach_vm_size_t    size[2];
    pid_t             btPID;
    mach_vm_address_t bt[2][kIOTrackingCallSiteBTs];
};

#define kIOMallocTrackingName	"IOMalloc"
#define kIOWireTrackingName	"IOWire"
#define kIOMapTrackingName	"IOMap"

#if XNU_KERNEL_PRIVATE && IOTRACKING

struct IOTrackingQueue;
struct IOTrackingCallSite;

struct IOTracking
{
    queue_chain_t        link;
    IOTrackingCallSite * site;
#if !defined(__LP64__)
    uint32_t             flags;
#endif
};

struct IOTrackingAddress
{
    IOTracking    tracking;
    uintptr_t     address;
    size_t        size;
#if defined(__LP64__)
    uint32_t      flags;
#endif
};

struct IOTrackingUser
{
    queue_chain_t link;
    pid_t         btPID;
    uint8_t       user32;
    uint8_t       userCount;
    uintptr_t     bt[kIOTrackingCallSiteBTs];
    uintptr_t     btUser[kIOTrackingCallSiteBTs];
};

enum
{
    kIOTrackingQueueTypeDefaultOn = 0x00000001,
    kIOTrackingQueueTypeAlloc     = 0x00000002,
    kIOTrackingQueueTypeMap       = 0x00000004,
    kIOTrackingQueueTypeUser      = 0x00000008,
};


void              IOTrackingInit(void);
IOTrackingQueue * IOTrackingQueueAlloc(const char * name, uintptr_t btEntry,
					size_t allocSize, size_t minCaptureSize,
					uint32_t type, uint32_t numSiteQs);
void              IOTrackingQueueFree(IOTrackingQueue * head);
void              IOTrackingAdd(IOTrackingQueue * head, IOTracking * mem, size_t size, bool address, vm_tag_t tag);
void              IOTrackingRemove(IOTrackingQueue * head, IOTracking * mem, size_t size);
void              IOTrackingAddUser(IOTrackingQueue * queue, IOTrackingUser * mem, vm_size_t size);
void              IOTrackingRemoveUser(IOTrackingQueue * head, IOTrackingUser * tracking);

void              IOTrackingAlloc(IOTrackingQueue * head, uintptr_t address, size_t size);
void              IOTrackingFree(IOTrackingQueue * head, uintptr_t address, size_t size);
void              IOTrackingReset(IOTrackingQueue * head);
void              IOTrackingAccumSize(IOTrackingQueue * head, IOTracking * mem, size_t size);
kern_return_t     IOTrackingDebug(uint32_t selector, uint32_t options,
				  const char * names, size_t namesLen, 
				  size_t size, OSObject ** result);

extern IOTrackingQueue * gIOMallocTracking;
extern IOTrackingQueue * gIOWireTracking;
extern IOTrackingQueue * gIOMapTracking;

#endif /* XNU_KERNEL_PRIVATE && IOTRACKING */

enum
{
    kIOTrackingExcludeNames      = 0x00000001,
};

enum
{
    kIOTrackingGetTracking       = 0x00000001,
    kIOTrackingGetMappings       = 0x00000002,
    kIOTrackingResetTracking     = 0x00000003,
    kIOTrackingStartCapture      = 0x00000004,
    kIOTrackingStopCapture       = 0x00000005,
    kIOTrackingSetMinCaptureSize = 0x00000006,
    kIOTrackingLeaks             = 0x00000007,
    kIOTrackingInvalid           = 0xFFFFFFFE,
};


#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */

#endif /* ! _IOKIT_IOKITDEBUG_H */