* 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,
* 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@
*/
#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) */
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;
__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 */