1/* 2 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * The contents of this file constitute Original Code as defined in and 7 * are subject to the Apple Public Source License Version 1.1 (the 8 * "License"). You may not use this file except in compliance with the 9 * License. Please obtain a copy of the License at 10 * http://www.apple.com/publicsource and read it before using this file. 11 * 12 * This Original Code and all software distributed under the License are 13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER 14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the 17 * License for the specific language governing rights and limitations 18 * under the License. 19 * 20 * @APPLE_LICENSE_HEADER_END@ 21 */ 22 23 24#ifndef __IONDRV__ 25#define __IONDRV__ 26 27#include <IOKit/IORegistryEntry.h> 28#include <IOKit/IOInterruptEventSource.h> 29 30#include <IOKit/ndrvsupport/IOMacOSTypes.h> 31#include <IOKit/ndrvsupport/IONDRVSupport.h> 32 33/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 34 35#ifndef kAAPLRegEntryIDKey 36#define kAAPLRegEntryIDKey "AAPL,RegEntryID" 37#endif 38 39#ifndef kAAPLDisableMSIKey 40#define kAAPLDisableMSIKey "AAPL,DisableMSI" 41#endif 42 43#define MAKE_REG_ENTRY(regEntryID, obj) \ 44 (regEntryID)->opaque[0] = (void *) (((uintptr_t)obj) - ((uintptr_t)gIOFramebufferKey)); \ 45 (regEntryID)->opaque[1] = (void *) ~(((uintptr_t)obj) - ((uintptr_t)gIOFramebufferKey)); \ 46 (regEntryID)->opaque[2] = (void *) 0x53696d65; \ 47 (regEntryID)->opaque[3] = (void *) 0x52756c7a; 48 49#define REG_ENTRY_TO_OBJ_RET(regEntryID, obj, ret) \ 50 uintptr_t __obj; \ 51 if ((__obj = ((uintptr_t *)regEntryID)[0]) \ 52 != ~((uintptr_t *)regEntryID)[1]) return (ret); \ 53 obj = (IORegistryEntry *)(__obj + (uintptr_t)gIOFramebufferKey); 54 55#define REG_ENTRY_TO_OBJ(regEntryID, obj) REG_ENTRY_TO_OBJ_RET((regEntryID), (obj), -2538) 56 57#define REG_ENTRY_TO_PT(regEntryID,obj) \ 58 IORegistryEntry * obj; \ 59 REG_ENTRY_TO_OBJ_RET((regEntryID), (obj), -2538) 60 61#define REG_ENTRY_TO_SERVICE(regEntryID, type, obj) \ 62 IORegistryEntry * regEntry; \ 63 type * obj; \ 64 REG_ENTRY_TO_OBJ(regEntryID, regEntry); \ 65 if (0 == (obj = OSDynamicCast(type, regEntry))) \ 66 return (-2542); 67 68/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 69 70class IONDRV : public OSObject 71{ 72 OSDeclareAbstractStructors(IONDRV) 73 74public: 75 virtual IOReturn getSymbol( const char * symbolName, 76 IOLogicalAddress * address ) = 0; 77 78 virtual const char * driverName( void ) = 0; 79 80 virtual IOReturn doDriverIO( UInt32 commandID, void * contents, 81 UInt32 commandCode, UInt32 commandKind ) = 0; 82}; 83 84#endif /* __IONDRV__ */ 85 86