xnu-3248.60.10.tar.gz

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

diff --git a/iokit/Kernel/IOKitKernelInternal.h b/iokit/Kernel/IOKitKernelInternal.h
index d15549f895cab759c8fc2577afe17a37e8985e3a..37e6f9416936de06a4357291e08461ca3b88adb7 100644 (file)
--- a/iokit/Kernel/IOKitKernelInternal.h
+++ b/iokit/Kernel/IOKitKernelInternal.h
@@ -37,6 +37,7 @@ __BEGIN_DECLS
 #include <vm/vm_pageout.h>
 #include <mach/memory_object_types.h>
 #include <device/device_port.h>
+#include <IOKit/IODMACommand.h>
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
@@ -68,14 +69,19 @@ 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 
-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);
+IOMemoryDescriptorMapAlloc(vm_map_t map, void * ref);
+
 
 mach_vm_address_t
 IOKernelAllocateWithPhysicalRestrict(mach_vm_size_t size, mach_vm_address_t maxPhys, 
@@ -83,7 +89,6 @@ IOKernelAllocateWithPhysicalRestrict(mach_vm_size_t size, mach_vm_address_t maxP
 void
 IOKernelFreePhysical(mach_vm_address_t address, mach_vm_size_t size);
 
-
 extern vm_size_t debug_iomallocpageable_size;
 
 // osfmk/device/iokit_rpc.c
@@ -106,49 +111,15 @@ 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;
-};
-struct IOMDDMAWalkSegmentArgs {
-    UInt64 fOffset;                    // Input/Output offset
-    UInt64 fIOVMAddr, fLength;         // Output variables
-    UInt8 fMapped;                     // Input Variable, Require mapped IOVMA
-};
-typedef UInt8 IOMDDMAWalkSegmentState[128];
-
-struct IOMDDMAMapArgs {
-    IOMapper *            fMapper;
-    IODMAMapSpecification fMapSpec;
-    uint64_t              fOffset;
-    uint64_t              fLength;
-    uint64_t              fAlloc;
-    ppnum_t               fAllocCount;
-    uint8_t               fMapContig;
-};
+#define __IODEQUALIFY(type, expr)                              \
+   ({ typeof(expr) expr_ = (type)(uintptr_t)(expr);            \
+       (type)(uintptr_t)(expr_); })
+
 
 struct IODMACommandInternal
 {
-    IOMDDMAWalkSegmentState fState;
-    IOMDDMACharacteristics  fMDSummary;
+    IOMDDMAWalkSegmentState      fState;
+    IOMDDMACharacteristics       fMDSummary;
 
     UInt64 fPreparedOffset;
     UInt64 fPreparedLength;
@@ -171,8 +142,8 @@ struct IODMACommandInternal
 
     ppnum_t  fCopyPageCount;
 
-    addr64_t  fLocalMapperPageAlloc;
-    ppnum_t  fLocalMapperPageCount;
+    uint64_t  fLocalMapperAlloc;
+    uint64_t  fLocalMapperAllocLength;
 
     class IOBufferMemoryDescriptor * fCopyMD;
 
@@ -218,13 +189,13 @@ typedef uintptr_t (*iopa_proc_t)(iopa_t * a);
 
 enum
 {
-    kIOPageAllocChunkBytes = (PAGE_SIZE / 64),
     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;
 
@@ -233,16 +204,26 @@ extern "C" struct timeval gIOLastWakeTime;
 
 extern clock_sec_t gIOConsoleLockTime;
 
-extern "C" void IOKitResetTime( void );
+extern OSSet * gIORemoveOnReadProperties;
+
 extern "C" void IOKitInitializeTime( void );
 
 extern "C" OSString * IOCopyLogNameForPID(int pid);
 
 #if defined(__i386__) || defined(__x86_64__)
+#ifndef __cplusplus
+#error xx
+#endif
+
+extern const OSSymbol * gIOCreateEFIDevicePathSymbol;
 extern "C" void IOSetKeyStoreData(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 */