IOKitKernelInternal.h [plain text]
#ifndef _IOKIT_KERNELINTERNAL_H
#define _IOKIT_KERNELINTERNAL_H
#include <sys/cdefs.h>
__BEGIN_DECLS
#include <vm/vm_pageout.h>
#include <mach/memory_object_types.h>
#include <device/device_port.h>
#include <IOKit/IODMACommand.h>
#include <IOKit/IOKitServer.h>
#if (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD)
#define IOServiceTrace(csc, a, b, c, d) do { \
if(kIOTraceIOService & gIOKitTrace) { \
KERNEL_DEBUG_CONSTANT(IODBG_IOSERVICE(csc), a, b, c, d, 0); \
} \
} while(0)
#else
#define IOServiceTrace(csc, a, b, c, d) do { \
(void)a; \
(void)b; \
(void)c; \
(void)d; \
} while (0)
#endif
typedef kern_return_t (*IOIteratePageableMapsCallback)(vm_map_t map, void * ref);
void IOLibInit(void);
kern_return_t IOIteratePageableMaps(vm_size_t size,
IOIteratePageableMapsCallback callback, void * ref);
vm_map_t IOPageableMapForAddress(uintptr_t address);
struct IOMemoryDescriptorMapAllocRef {
vm_map_t map;
mach_vm_address_t mapped;
mach_vm_size_t size;
vm_prot_t prot;
vm_tag_t tag;
IOOptionBits options;
};
kern_return_t
IOMemoryDescriptorMapAlloc(vm_map_t map, void * ref);
mach_vm_address_t
IOKernelAllocateWithPhysicalRestrict(mach_vm_size_t size, mach_vm_address_t maxPhys,
mach_vm_size_t alignment, bool contiguous);
void
IOKernelFreePhysical(mach_vm_address_t address, mach_vm_size_t size);
#if IOTRACKING
IOReturn
IOMemoryMapTracking(IOTrackingUser * tracking, task_t * task,
mach_vm_address_t * address, mach_vm_size_t * size);
#endif
extern vm_size_t debug_iomallocpageable_size;
extern ppnum_t gIOLastPage;
extern IOSimpleLock * gIOPageAllocLock;
extern queue_head_t gIOPageAllocList;
extern void bcopy_phys(addr64_t from, addr64_t to, vm_size_t size);
__END_DECLS
#define __IODEQUALIFY(type, expr) \
({ typeof(expr) expr_ = (type)(uintptr_t)(expr); \
(type)(uintptr_t)(expr_); })
struct IODMACommandInternal {
IOMDDMAWalkSegmentState fState;
IOMDDMACharacteristics fMDSummary;
UInt64 fPreparedOffset;
UInt64 fPreparedLength;
UInt32 fSourceAlignMask;
UInt8 fCursor;
UInt8 fCheckAddressing;
UInt8 fIterateOnly;
UInt8 fMisaligned;
UInt8 fMapContig;
UInt8 fPrepared;
UInt8 fDoubleBuffer;
UInt8 fNewMD;
UInt8 fLocalMapperAllocValid;
UInt8 fIOVMAddrValid;
UInt8 fForceDoubleBuffer;
UInt8 fSetActiveNoMapper;
vm_page_t fCopyPageAlloc;
vm_page_t fCopyNext;
vm_page_t fNextRemapPage;
ppnum_t fCopyPageCount;
uint64_t fLocalMapperAlloc;
uint64_t fLocalMapperAllocLength;
class IOBufferMemoryDescriptor * fCopyMD;
IOService * fDevice;
IOReturn fStatus;
UInt64 fActualByteCount;
AbsoluteTime fTimeStamp;
};
struct IOMemoryDescriptorDevicePager {
void * devicePager;
unsigned int pagerContig:1;
unsigned int unused:31;
IOMemoryDescriptor * memory;
};
struct IOMemoryDescriptorReserved {
IOMemoryDescriptorDevicePager dp;
uint64_t preparationID;
uint64_t kernReserved[4];
vm_tag_t kernelTag;
vm_tag_t userTag;
task_t creator;
};
struct iopa_t {
IOLock * lock;
queue_head_t list;
vm_size_t pagecount;
vm_size_t bytecount;
};
struct iopa_page_t {
queue_chain_t link;
uint64_t avail;
uint32_t signature;
};
typedef struct iopa_page_t iopa_page_t;
typedef uintptr_t (*iopa_proc_t)(iopa_t * a);
enum{
kIOPageAllocSignature = 'iopa'
};
extern "C" void iopa_init(iopa_t * a);
extern "C" uintptr_t iopa_alloc(iopa_t * a, iopa_proc_t alloc, vm_size_t bytes, uint32_t balign);
extern "C" uintptr_t iopa_free(iopa_t * a, uintptr_t addr, vm_size_t bytes);
extern "C" uint32_t gIOPageAllocChunkBytes;
extern "C" iopa_t gIOBMDPageAllocator;
extern "C" struct timeval gIOLastSleepTime;
extern "C" struct timeval gIOLastWakeTime;
extern clock_sec_t gIOConsoleLockTime;
extern bool gCPUsRunning;
extern OSSet * gIORemoveOnReadProperties;
extern "C" void IOKitInitializeTime( void );
extern void IOMachPortInitialize(void);
extern "C" OSString * IOCopyLogNameForPID(int pid);
extern "C" void IOKitKernelLogBuffer(const char * title, const void * buffer, size_t size,
void (*output)(const char *format, ...));
#if defined(__i386__) || defined(__x86_64__)
#ifndef __cplusplus
#error xx
#endif
extern const OSSymbol * gIOCreateEFIDevicePathSymbol;
extern "C" void IOSetKeyStoreData(LIBKERN_CONSUMED IOMemoryDescriptor * data);
extern "C" void IOSetAPFSKeyStoreData(LIBKERN_CONSUMED IOMemoryDescriptor* data);
#endif
extern const OSSymbol * gAKSGetKey;
void IOScreenLockTimeUpdate(clock_sec_t secs);
void IOCPUInitialize(void);
IOReturn IOInstallServicePlatformActions(IOService * service);
IOReturn IORemoveServicePlatformActions(IOService * service);
#endif