1 | /* |
2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | /* |
29 | * @OSF_COPYRIGHT@ |
30 | * |
31 | */ |
32 | #ifndef _MACH_VM_TYPES_H_ |
33 | #define _MACH_VM_TYPES_H_ |
34 | |
35 | #include <mach/port.h> |
36 | #include <mach/machine/vm_types.h> |
37 | |
38 | #include <stdint.h> |
39 | |
40 | typedef vm_offset_t pointer_t; |
41 | typedef vm_offset_t vm_address_t; |
42 | |
43 | /* |
44 | * We use addr64_t for 64-bit addresses that are used on both |
45 | * 32 and 64-bit machines. On PPC, they are passed and returned as |
46 | * two adjacent 32-bit GPRs. We use addr64_t in places where |
47 | * common code must be useable both on 32 and 64-bit machines. |
48 | */ |
49 | typedef uint64_t addr64_t; /* Basic effective address */ |
50 | |
51 | /* |
52 | * We use reg64_t for addresses that are 32 bits on a 32-bit |
53 | * machine, and 64 bits on a 64-bit machine, but are always |
54 | * passed and returned in a single GPR on PPC. This type |
55 | * cannot be used in generic 32-bit c, since on a 64-bit |
56 | * machine the upper half of the register will be ignored |
57 | * by the c compiler in 32-bit mode. In c, we can only use the |
58 | * type in prototypes of functions that are written in and called |
59 | * from assembly language. This type is basically a comment. |
60 | */ |
61 | typedef uint32_t reg64_t; |
62 | |
63 | /* |
64 | * To minimize the use of 64-bit fields, we keep some physical |
65 | * addresses (that are page aligned) as 32-bit page numbers. |
66 | * This limits the physical address space to 16TB of RAM. |
67 | */ |
68 | typedef uint32_t ppnum_t; /* Physical page number */ |
69 | #define PPNUM_MAX UINT32_MAX |
70 | |
71 | |
72 | #ifdef KERNEL_PRIVATE |
73 | |
74 | #include <sys/cdefs.h> |
75 | |
76 | #ifndef MACH_KERNEL_PRIVATE |
77 | /* |
78 | * Use specifically typed null structures for these in |
79 | * other parts of the kernel to enable compiler warnings |
80 | * about type mismatches, etc... Otherwise, these would |
81 | * be void*. |
82 | */ |
83 | __BEGIN_DECLS |
84 | |
85 | struct pmap ; |
86 | struct _vm_map ; |
87 | struct vm_object ; |
88 | |
89 | __END_DECLS |
90 | |
91 | #endif /* MACH_KERNEL_PRIVATE */ |
92 | |
93 | typedef struct pmap *pmap_t; |
94 | typedef struct _vm_map *vm_map_t; |
95 | typedef struct vm_object *vm_object_t; |
96 | typedef struct vm_object_fault_info *vm_object_fault_info_t; |
97 | |
98 | #define PMAP_NULL ((pmap_t) 0) |
99 | #define VM_OBJECT_NULL ((vm_object_t) 0) |
100 | |
101 | #else /* KERNEL_PRIVATE */ |
102 | |
103 | typedef mach_port_t vm_map_t; |
104 | |
105 | #endif /* KERNEL_PRIVATE */ |
106 | |
107 | #define VM_MAP_NULL ((vm_map_t) 0) |
108 | |
109 | /* |
110 | * Evolving definitions, likely to change. |
111 | */ |
112 | |
113 | typedef uint64_t vm_object_offset_t; |
114 | typedef uint64_t vm_object_size_t; |
115 | |
116 | |
117 | #ifdef XNU_KERNEL_PRIVATE |
118 | |
119 | #define VM_TAG_ACTIVE_UPDATE 1 |
120 | |
121 | typedef uint16_t vm_tag_t; |
122 | |
123 | #define VM_TAG_NAME_LEN_MAX 0x7F |
124 | #define VM_TAG_NAME_LEN_SHIFT 0 |
125 | #define VM_TAG_BT 0x0080 |
126 | #define VM_TAG_UNLOAD 0x0100 |
127 | #define VM_TAG_KMOD 0x0200 |
128 | |
129 | #if DEBUG || DEVELOPMENT |
130 | #define VM_MAX_TAG_ZONES 28 |
131 | #else |
132 | #define VM_MAX_TAG_ZONES 0 |
133 | #endif |
134 | |
135 | #if VM_MAX_TAG_ZONES |
136 | // must be multiple of 64 |
137 | #define VM_MAX_TAG_VALUE 1536 |
138 | #else |
139 | #define VM_MAX_TAG_VALUE 256 |
140 | #endif |
141 | |
142 | |
143 | #define ARRAY_COUNT(a) (sizeof((a)) / sizeof((a)[0])) |
144 | |
145 | struct vm_allocation_total |
146 | { |
147 | vm_tag_t tag; |
148 | uint64_t total; |
149 | }; |
150 | |
151 | struct vm_allocation_zone_total |
152 | { |
153 | uint64_t total; |
154 | uint64_t peak; |
155 | uint32_t waste; |
156 | uint32_t wastediv; |
157 | }; |
158 | typedef struct vm_allocation_zone_total vm_allocation_zone_total_t; |
159 | |
160 | struct vm_allocation_site |
161 | { |
162 | uint64_t total; |
163 | #if DEBUG || DEVELOPMENT |
164 | uint64_t peak; |
165 | #endif /* DEBUG || DEVELOPMENT */ |
166 | uint64_t mapped; |
167 | int16_t refcount; |
168 | vm_tag_t tag; |
169 | uint16_t flags; |
170 | uint16_t subtotalscount; |
171 | struct vm_allocation_total subtotals[0]; |
172 | char name[0]; |
173 | }; |
174 | typedef struct vm_allocation_site vm_allocation_site_t; |
175 | |
176 | #define VM_ALLOC_SITE_STATIC(iflags, itag) \ |
177 | static vm_allocation_site_t site __attribute__((section("__DATA, __data"))) \ |
178 | = { .refcount = 2, .tag = (itag), .flags = (iflags) }; |
179 | |
180 | extern int (uint64_t, boolean_t, int, void *, int *); |
181 | extern unsigned int vmrtfaultinfo_bufsz(void); |
182 | |
183 | #endif /* XNU_KERNEL_PRIVATE */ |
184 | |
185 | #ifdef KERNEL_PRIVATE |
186 | |
187 | #ifndef MACH_KERNEL_PRIVATE |
188 | |
189 | __BEGIN_DECLS |
190 | |
191 | struct upl ; |
192 | struct vm_map_copy ; |
193 | struct vm_named_entry ; |
194 | |
195 | __END_DECLS |
196 | |
197 | #endif /* MACH_KERNEL_PRIVATE */ |
198 | |
199 | typedef struct upl *upl_t; |
200 | typedef struct vm_map_copy *vm_map_copy_t; |
201 | typedef struct vm_named_entry *vm_named_entry_t; |
202 | |
203 | #define VM_MAP_COPY_NULL ((vm_map_copy_t) 0) |
204 | |
205 | #else /* KERNEL_PRIVATE */ |
206 | |
207 | typedef mach_port_t upl_t; |
208 | typedef mach_port_t vm_named_entry_t; |
209 | |
210 | #endif /* KERNEL_PRIVATE */ |
211 | |
212 | #define UPL_NULL ((upl_t) 0) |
213 | #define VM_NAMED_ENTRY_NULL ((vm_named_entry_t) 0) |
214 | #ifdef PRIVATE |
215 | typedef struct { |
216 | uint64_t rtfabstime; // mach_continuous_time at start of fault |
217 | uint64_t rtfduration; // fault service duration |
218 | uint64_t rtfaddr; // fault address |
219 | uint64_t rtfpc; // userspace program counter of thread incurring the fault |
220 | uint64_t rtftid; // thread ID |
221 | uint64_t rtfupid; // process identifier |
222 | uint64_t rtftype; // fault type |
223 | } vm_rtfault_record_t; |
224 | #endif |
225 | #endif /* _MACH_VM_TYPES_H_ */ |
226 | |