/*
* Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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 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.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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.
+ * 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_LICENSE_HEADER_END@
+ * @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 );
+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;
+};
+
+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 */
projects / apple / xnu.git / blobdiff