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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | /* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_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 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. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * HISTORY * * 1999 Mar 29 rsulack created. */ #ifndef _MACH_KMOD_H_ #define _MACH_KMOD_H_ #include <sys/appleapiopts.h> #include <mach/kern_return.h> #ifdef __APPLE_API_PRIVATE #define KMOD_CNTL_START 1 // call kmod's start routine #define KMOD_CNTL_STOP 2 // call kmod's stop routine #define KMOD_CNTL_RETAIN 3 // increase a kmod's reference count #define KMOD_CNTL_RELEASE 4 // decrease a kmod's reference count #define KMOD_CNTL_GET_CMD 5 // get kmod load cmd from kernel #define KMOD_PACK_IDS(from, to) (((unsigned long)from << 16) | (unsigned long)to) #define KMOD_UNPACK_FROM_ID(i) ((unsigned long)i >> 16) #define KMOD_UNPACK_TO_ID(i) ((unsigned long)i & 0xffff) #endif /* __APPLE_API_PRIVATE */ #define KMOD_MAX_NAME 64 #ifdef __APPLE_API_PRIVATE typedef int kmod_t; typedef int kmod_control_flavor_t; typedef void* kmod_args_t; #endif /* __APPLE_API_PRIVATE */ typedef struct kmod_reference { struct kmod_reference *next; struct kmod_info *info; } kmod_reference_t; /**************************************************************************************/ /* warning any changes to this structure affect the following macros. */ /**************************************************************************************/ #define KMOD_RETURN_SUCCESS KERN_SUCCESS #define KMOD_RETURN_FAILURE KERN_FAILURE typedef kern_return_t kmod_start_func_t(struct kmod_info *ki, void *data); typedef kern_return_t kmod_stop_func_t(struct kmod_info *ki, void *data); typedef struct kmod_info { struct kmod_info *next; int info_version; // version of this structure int id; char name[KMOD_MAX_NAME]; char version[KMOD_MAX_NAME]; int reference_count; // # refs to this kmod_reference_t *reference_list; // who this refs vm_address_t address; // starting address vm_size_t size; // total size vm_size_t hdr_size; // unwired hdr size kmod_start_func_t *start; kmod_stop_func_t *stop; } kmod_info_t; #ifdef __APPLE_API_PRIVATE typedef kmod_info_t *kmod_info_array_t; #endif /* __APPLE_API_PRIVATE */ #define KMOD_INFO_NAME kmod_info #define KMOD_INFO_VERSION 1 #define KMOD_DECL(name, version) \ static kmod_start_func_t name ## _module_start; \ static kmod_stop_func_t name ## _module_stop; \ kmod_info_t KMOD_INFO_NAME = { 0, KMOD_INFO_VERSION, -1, \ { #name }, { version }, -1, 0, 0, 0, 0, \ name ## _module_start, \ name ## _module_stop }; #define KMOD_EXPLICIT_DECL(name, version, start, stop) \ kmod_info_t KMOD_INFO_NAME = { 0, KMOD_INFO_VERSION, -1, \ { #name }, { version }, -1, 0, 0, 0, 0, \ start, stop }; // the following is useful for libaries that don't need their own start and stop functions #define KMOD_LIB_DECL(name, version) \ kmod_info_t KMOD_INFO_NAME = { 0, KMOD_INFO_VERSION, -1, \ { #name }, { version }, -1, 0, 0, 0, 0, \ kmod_default_start, \ kmod_default_stop }; // ************************************************************************************* // kmod kernel to user commands // ************************************************************************************* #ifdef __APPLE_API_PRIVATE #define KMOD_LOAD_EXTENSION_PACKET 1 #define KMOD_LOAD_WITH_DEPENDENCIES_PACKET 2 // for generic packets #define KMOD_IOKIT_START_RANGE_PACKET 0x1000 #define KMOD_IOKIT_END_RANGE_PACKET 0x1fff typedef struct kmod_load_extension_cmd { int type; char name[KMOD_MAX_NAME]; } kmod_load_extension_cmd_t; typedef struct kmod_load_with_dependencies_cmd { int type; char name[KMOD_MAX_NAME]; char dependencies[1][KMOD_MAX_NAME]; } kmod_load_with_dependencies_cmd_t; typedef struct kmod_generic_cmd { int type; char data[1]; } kmod_generic_cmd_t; #ifdef KERNEL_PRIVATE extern void kmod_init(); extern kern_return_t kmod_create_fake(const char *name, const char *version); extern kmod_info_t *kmod_lookupbyname(const char * name); extern kmod_info_t *kmod_lookupbyid(kmod_t id); extern kmod_info_t *kmod_lookupbyname_locked(const char * name); extern kmod_info_t *kmod_lookupbyid_locked(kmod_t id); extern kern_return_t kmod_load_extension(char *name); extern kern_return_t kmod_load_extension_with_dependencies(char *name, char **dependencies); extern kern_return_t kmod_send_generic(int type, void *data, int size); extern kmod_start_func_t kmod_default_start; extern kmod_stop_func_t kmod_default_stop; extern kern_return_t kmod_initialize_cpp(kmod_info_t *info); extern kern_return_t kmod_finalize_cpp(kmod_info_t *info); extern void kmod_dump(vm_offset_t *addr, unsigned int cnt); #endif /* KERNEL_PRIVATE */ #endif /* __APPLE_API_PRIVATE */ #endif /* _MACH_KMOD_H_ */ |