]> git.saurik.com Git - apple/xnu.git/blobdiff - iokit/Kernel/IOKitKernelInternal.h
xnu-6153.141.1.tar.gz
[apple/xnu.git] / iokit / Kernel / IOKitKernelInternal.h
index fc4f31b5f9111db497686c814c7edaf27918556f..f1a0d882dcc13d23ffac9ccab6321f0f46799d46 100644 (file)
@@ -2,7 +2,7 @@
  * Copyright (c) 1998-2000 Apple Computer, 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
  * 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,
@@ -22,7 +22,7 @@
  * 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@
  */
 
@@ -37,24 +37,26 @@ __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 & gIOKitDebug) {                              \
-       KERNEL_DEBUG_CONSTANT(IODBG_IOSERVICE(csc), a, b, c, d, 0);     \
-    }                                                                  \
+#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;                                     \
+#define IOServiceTrace(csc, a, b, c, d) do {    \
+  (void)a;                                      \
+  (void)b;                                      \
+  (void)c;                                      \
+  (void)d;                                      \
 } while (0)
 
 #endif /* (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) */
@@ -65,37 +67,36 @@ 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);
+    IOIteratePageableMapsCallback callback, void * ref);
 vm_map_t IOPageableMapForAddress(uintptr_t address);
 
-kern_return_t 
-IOMemoryDescriptorMapMemEntry(vm_map_t * map, ipc_port_t entry, IOOptionBits options, bool pageable,
-                               mach_vm_size_t offset, mach_vm_address_t * address, mach_vm_size_t length);
-kern_return_t 
-IOMemoryDescriptorMapCopy(vm_map_t * map, 
-                               IOOptionBits options,
-                               mach_vm_size_t offset, 
-                               mach_vm_address_t * address, mach_vm_size_t length);
+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);
+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
-extern kern_return_t IOMapPages(vm_map_t map, mach_vm_address_t va, mach_vm_address_t pa,
-                                 mach_vm_size_t length, unsigned int mapFlags);
-extern kern_return_t IOUnmapPages(vm_map_t map, mach_vm_address_t va, mach_vm_size_t length);
-
-extern kern_return_t IOProtectCacheMode(vm_map_t map, mach_vm_address_t va,
-                                       mach_vm_size_t length, unsigned int mapFlags);
-
-extern ppnum_t IOGetLastPageNumber(void);
-
 extern ppnum_t gIOLastPage;
 
 extern IOSimpleLock * gIOPageAllocLock;
@@ -106,112 +107,128 @@ extern void bcopy_phys(addr64_t from, addr64_t to, vm_size_t size);
 
 __END_DECLS
 
-// Used for dedicated communications for IODMACommand
-enum  {
-    kIOMDWalkSegments             = 0x01000000,
-    kIOMDFirstSegment            = 1 | kIOMDWalkSegments,
-    kIOMDGetCharacteristics       = 0x02000000,
-    kIOMDGetCharacteristicsMapped = 1 | kIOMDGetCharacteristics,
-    kIOMDDMAActive                = 0x03000000,
-    kIOMDSetDMAActive             = 1 | kIOMDDMAActive,
-    kIOMDSetDMAInactive           = kIOMDDMAActive,
-    kIOMDAddDMAMapSpec            = 0x04000000,
-    kIOMDDMAMap                   = 0x05000000,
-    kIOMDDMACommandOperationMask  = 0xFF000000,
-};
-struct IOMDDMACharacteristics {
-    UInt64 fLength;
-    UInt32 fSGCount;
-    UInt32 fPages;
-    UInt32 fPageAlign;
-    ppnum_t fHighestPage;
-    IODirection fDirection;
-    UInt8 fIsPrepared;
+#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 IOMDDMAWalkSegmentArgs {
-    UInt64 fOffset;                    // Input/Output offset
-    UInt64 fIOVMAddr, fLength;         // Output variables
-    UInt8 fMapped;                     // Input Variable, Require mapped IOVMA
+
+struct IOMemoryDescriptorDevicePager {
+       void *                       devicePager;
+       unsigned int             pagerContig:1;
+       unsigned int             unused:31;
+       IOMemoryDescriptor * memory;
 };
-typedef UInt8 IOMDDMAWalkSegmentState[128];
-
-struct IOMDDMAMapArgs {
-    IOMapper *            fMapper;
-    IODMAMapSpecification fMapSpec;
-    uint64_t              fOffset;
-    uint64_t              fLength;
-    uint64_t              fAlloc;
-    ppnum_t               fAllocCount;
+
+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 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  fLocalMapper;
-       
-    vm_page_t fCopyPageAlloc;
-    vm_page_t fCopyNext;
-    vm_page_t fNextRemapPage;
-
-    ppnum_t  fCopyPageCount;
-
-    addr64_t  fLocalMapperPageAlloc;
-    ppnum_t  fLocalMapperPageCount;
-
-    class IOBufferMemoryDescriptor * fCopyMD;
-
-    IOService * fDevice;
-
-    // IODMAEventSource use
-    IOReturn fStatus;
-    UInt64   fActualByteCount;
+struct iopa_t {
+       IOLock       * lock;
+       queue_head_t   list;
+       vm_size_t      pagecount;
+       vm_size_t      bytecount;
 };
 
-struct IOMemoryDescriptorDevicePager {
-    void *                      devicePager;
-    unsigned int            pagerContig:1;
-    unsigned int            unused:31;
-    IOMemoryDescriptor * memory;
+struct iopa_page_t {
+       queue_chain_t link;
+       uint64_t      avail;
+       uint32_t      signature;
 };
+typedef struct iopa_page_t iopa_page_t;
 
-struct IOMemoryDescriptorReserved {
-    IOMemoryDescriptorDevicePager dp;
-    uint64_t                      preparationID;
-    // for kernel IOMD subclasses... they have no expansion
-    uint64_t                      kernReserved[4];
+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 "C" void IOKitResetTime( void );
+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__)
-extern "C" void IOSetKeyStoreData(IOMemoryDescriptor * data);
+#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 */