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[apple/xnu.git] / iokit / Kernel / IOKitKernelInternal.h
index 9322aa0b575c156a1b0a8204f9c2aa0ebe8d9e38..f1a0d882dcc13d23ffac9ccab6321f0f46799d46 100644 (file)
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * 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.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 
 
 __BEGIN_DECLS
 
-#include <vm/pmap.h>
+#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 /* (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);
-vm_map_t IOPageableMapForAddress( vm_address_t address );
-SInt32 OSKernelStackRemaining( void );
+    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 /* IOTRACKING */
 
 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) */
-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
 
+#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;
+       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 /* ! _IOKIT_KERNELINTERNAL_H */