xnu-4903.221.2.tar.gz

[apple/xnu.git] / iokit / Kernel / IOKitKernelInternal.h

diff --git a/iokit/Kernel/IOKitKernelInternal.h b/iokit/Kernel/IOKitKernelInternal.h
index a5646f3d5ffb700037ffe3ec9890e4cd34a39c60..4b0cf6ffc951993c4398c0e3485e5dc0198d6dd3 100644 (file)
--- a/iokit/Kernel/IOKitKernelInternal.h
+++ b/iokit/Kernel/IOKitKernelInternal.h
@@ -34,29 +34,204 @@
 
 __BEGIN_DECLS
 
 
 __BEGIN_DECLS
 

-#include <vm/pmap.h>
+#include <vm/vm_pageout.h>

 #include <mach/memory_object_types.h>
 #include <device/device_port.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 /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) */
+
+#define IOServiceTrace(csc, a, b, c, d) do {   \
+  (void)a;                                     \
+  (void)b;                                     \
+  (void)c;                                     \
+  (void)d;                                     \
+} while (0)
+
+#endif /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) */
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

 
 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);
 
 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( vm_address_t address );
-SInt32 OSKernelStackRemaining( void );
+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 /* IOTRACKING */

 
 extern vm_size_t debug_iomallocpageable_size;
 
 
 extern vm_size_t debug_iomallocpageable_size;
 

-// osfmk/device/iokit_rpc.c
-// LP64todo - these need to expand 
-extern kern_return_t IOMapPages( vm_map_t map, vm_offset_t va, vm_offset_t pa,
-                                 vm_size_t length, unsigned int mapFlags);
-extern kern_return_t IOUnmapPages(vm_map_t map, vm_offset_t va, vm_size_t length);
+extern ppnum_t gIOLastPage;
+
+extern IOSimpleLock * gIOPageAllocLock;
+extern queue_head_t   gIOPageAllocList;

 
 /* Physical to physical copy (ints must be disabled) */
 
 /* Physical to physical copy (ints must be disabled) */

-extern void bcopy_phys(addr64_t from, addr64_t to, int size);
+extern void bcopy_phys(addr64_t from, addr64_t to, vm_size_t size);

 
 __END_DECLS
 
 
 __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;
+
+    // IODMAEventSource use
+    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;
+    // for kernel IOMD subclasses... they have no expansion
+    uint64_t                      kernReserved[4];
+    vm_tag_t                      kernelTag;
+    vm_tag_t                      userTag;
+};
+
+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 "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(IOMemoryDescriptor * data);
+extern "C" void IOSetAPFSKeyStoreData(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 /* ! _IOKIT_KERNELINTERNAL_H */
 #endif /* ! _IOKIT_KERNELINTERNAL_H */