xref: /xnu-12377.1.9/libkern/firehose/firehose_types_private.h (revision f6217f891ac0bb64f3d375211650a4c1ff8ca1ea)
1 /*
2  * Copyright (c) 2015-2024 Apple Inc. All rights reserved.
3  *
4  * @APPLE_APACHE_LICENSE_HEADER_START@
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  *     http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *
18  * @APPLE_APACHE_LICENSE_HEADER_END@
19  */
20 
21 #ifndef __FIREHOSE_TYPES_PRIVATE__
22 #define __FIREHOSE_TYPES_PRIVATE__
23 
24 #include <mach/mach_types.h>
25 #include <mach/std_types.h>
26 #include <os/base.h>
27 
28 OS_ASSUME_NONNULL_BEGIN
29 
30 __BEGIN_DECLS
31 
32 /*!
33  * @enum firehose_activity_flags_t
34  *
35  * @discussion
36  * The lower 8 bits are or-ed in the upper 8 bits of Activity ID and propagated
37  * to children activities
38  */
39 OS_OPTIONS(firehose_activity_flags, unsigned long,
40     firehose_activity_flags_default             = 0x0000,
41 
42     firehose_activity_flags_info_mode           = 0x0001,
43     firehose_activity_flags_debug_mode          = 0x0002,
44     firehose_activity_flags_stream_live_mode    = 0x0004,
45 
46     firehose_activity_flags_precise_timestamp   = 0x0080,
47     );
48 
49 /*!
50  * @typedef firehose_activity_id_t
51  *
52  * @abstract
53  * Opaque activity identifier.
54  *
55  * @discussion
56  * Scalar value type, not reference counted.
57  */
58 typedef uint64_t firehose_activity_id_t;
59 #define FIREHOSE_ACTIVITY_ID_NULL    ((firehose_activity_id_t)0)
60 #define FIREHOSE_ACTIVITY_ID_INVALID ((firehose_activity_id_t)~0ULL)
61 #define FIREHOSE_ACTIVITY_ID_FLAGS_SHIFT 56
62 #define FIREHOSE_ACTIVITY_ID_FLAGS(aid) \
63 	        ((firehose_activity_flags_t)((aid) >> FIREHOSE_ACTIVITY_ID_FLAGS_SHIFT))
64 #define FIREHOSE_ACTIVITY_ID_MERGE_FLAGS(aid, flags) (\
65 	        ((firehose_activity_id_t)(aid)) | \
66 	        ((firehose_activity_id_t)(flags) << FIREHOSE_ACTIVITY_ID_FLAGS_SHIFT))
67 
68 /*!
69  * @enum firehose_stream_t
70  */
71 OS_ENUM(firehose_stream, uint8_t,
72     firehose_stream_persist                     = 0,
73     firehose_stream_special                     = 1,
74     firehose_stream_memory                      = 2,
75     firehose_stream_metadata                    = 3,
76     firehose_stream_signpost                    = 4,
77     firehose_stream_memory_wifi                 = 5,
78     firehose_stream_memory_baseband             = 6,
79     firehose_stream_metric                      = 7,
80 
81     _firehose_stream_max,
82     _firehose_stream_disabled = (uint8_t)-1,
83     );
84 
85 /*!
86  * @enum firehose_tracepoint_namespace_t
87  *
88  * @abstract
89  * Namespaces of tracepoints.
90  */
91 OS_ENUM(firehose_tracepoint_namespace, uint8_t,
92     firehose_tracepoint_namespace_activity      = 0x02,
93     firehose_tracepoint_namespace_trace         = 0x03,
94     firehose_tracepoint_namespace_log           = 0x04,
95     firehose_tracepoint_namespace_metadata      = 0x05,
96     firehose_tracepoint_namespace_signpost      = 0x06,
97     firehose_tracepoint_namespace_loss          = 0x07,
98     firehose_tracepoint_namespace_metric        = 0x08,
99     );
100 
101 /*!
102  * @enum firehose_tracepoint_code_t
103  *
104  * @abstract
105  * Codes of tracepoints.
106  */
107 OS_ENUM(firehose_tracepoint_code, uint32_t,
108     firehose_tracepoint_code_invalid              = 0x00,
109     firehose_tracepoint_code_load                 = 0x01,
110     firehose_tracepoint_code_unload               = 0x02,
111     firehose_tracepoint_code_load_memory          = 0x08,
112     firehose_tracepoint_code_load_filesystem_ftab = 0x10,
113     firehose_tracepoint_code_load_exclavekit_dsc  = 0x20,
114     );
115 
116 /*!
117  * @typedef firehose_tracepoint_type_t
118  *
119  * @abstract
120  * Type of tracepoints.
121  */
122 typedef uint8_t firehose_tracepoint_type_t;
123 
124 /*!
125  * @typedef firehose_tracepoint_flags_t
126  *
127  * @abstract
128  * Flags for tracepoints.
129  */
130 OS_OPTIONS(firehose_tracepoint_flags, uint16_t,
131     _firehose_tracepoint_flags_base_has_current_aid         = 0x0001,
132 #define _firehose_tracepoint_flags_pc_style_mask                 (0x0007 << 1)
133     _firehose_tracepoint_flags_pc_style_none                = 0x0000 << 1,
134         _firehose_tracepoint_flags_pc_style_main_exe            = 0x0001 << 1,
135         _firehose_tracepoint_flags_pc_style_shared_cache        = 0x0002 << 1,
136         _firehose_tracepoint_flags_pc_style_main_plugin         = 0x0003 << 1,
137         _firehose_tracepoint_flags_pc_style_absolute            = 0x0004 << 1,
138         _firehose_tracepoint_flags_pc_style_uuid_relative       = 0x0005 << 1,
139         _firehose_tracepoint_flags_pc_style_large_shared_cache  = 0x0006 << 1,
140         _firehose_tracepoint_flags_pc_style__unused7            = 0x0007 << 1,
141         _firehose_tracepoint_flags_base_has_unique_pid          = 0x0010,
142         _firehose_tracepoint_flags_base_has_large_offset        = 0x0020,
143     );
144 
145 /*
146  * Same as _OS_TRACE_DYNAMIC_BIT defined in libtrace/tracepoint_internal.h.
147  * This bit is used by logd to know how to evaluate the format
148  * string.
149  * If it is set, logd assumes that the format is "%s" and the content of the
150  * whole string is passed with the firehose_tracepoint.
151  * Otherwise it tries to find the unformatted string within the text
152  * section of the executable and expects only the content of the variables
153  * on the firehose_tracepoint.
154  */
155 #define FIREHOSE_TRACEPOINT_PC_DYNAMIC_BIT 0x80000000
156 
157 /*
158  * Same as KERNEL_MASK defined in logd/logd_main.c
159  * It is used by logd to mask the pc before calling
160  * OSKextCopyUUIDForAddress.
161  */
162 #define FIREHOSE_TRACEPOINT_PC_KERNEL_MASK 0xffff000000000000
163 
164 /*!
165  * @typedef firehose_tracepoint_id_t
166  *
167  * @abstract
168  * Opaque tracepoint identifier.
169  */
170 typedef uint64_t firehose_tracepoint_id_t;
171 
172 /*!
173  * @enum _firehose_tracepoint_type_activity_t
174  *
175  * @abstract
176  * Types of Activity tracepoints (namespace activity).
177  */
178 OS_ENUM(_firehose_tracepoint_type_activity, firehose_tracepoint_type_t,
179     _firehose_tracepoint_type_activity_create               = 0x01,
180     _firehose_tracepoint_type_activity_swap                 = 0x02,
181     _firehose_tracepoint_type_activity_useraction           = 0x03,
182     );
183 
184 /*!
185  * @enum firehose_tracepoint_flags_activity_t
186  *
187  * @abstract
188  * Flags for Activity tracepoints (namespace activity).
189  */
190 OS_OPTIONS(_firehose_tracepoint_flags_activity, uint16_t,
191     _firehose_tracepoint_flags_activity_user_interface      = 0x0100,
192     _firehose_tracepoint_flags_activity_has_other_aid       = 0x0200,
193     );
194 
195 /*!
196  * @enum firehose_tracepoint_type_trace_t
197  *
198  * @abstract
199  * Types of trace tracepoints (namespace trace).
200  */
201 OS_ENUM(_firehose_tracepoint_type_trace, firehose_tracepoint_type_t,
202     _firehose_tracepoint_type_trace_default                 = 0x00,
203     _firehose_tracepoint_type_trace_info                    = 0x01,
204     _firehose_tracepoint_type_trace_debug                   = 0x02,
205     _firehose_tracepoint_type_trace_error                   = 0x10,
206     _firehose_tracepoint_type_trace_fault                   = 0x11,
207     );
208 
209 /*!
210  * @enum firehose_tracepoint_type_log_t
211  *
212  * @abstract
213  * Types of Log tracepoints (namespace log).
214  */
215 OS_ENUM(_firehose_tracepoint_type_log, firehose_tracepoint_type_t,
216     _firehose_tracepoint_type_log_default                   = 0x00,
217     _firehose_tracepoint_type_log_info                      = 0x01,
218     _firehose_tracepoint_type_log_debug                     = 0x02,
219     _firehose_tracepoint_type_log_error                     = 0x10,
220     _firehose_tracepoint_type_log_fault                     = 0x11,
221     );
222 
223 /*!
224  * @enum firehose_tracepoint_flags_log_t
225  *
226  * @abstract
227  * Flags for Log tracepoints (namespace log).
228  */
229 OS_OPTIONS(_firehose_tracepoint_flags_log, uint16_t,
230     _firehose_tracepoint_flags_log_has_private_data         = 0x0100,
231     _firehose_tracepoint_flags_log_has_subsystem            = 0x0200,
232     _firehose_tracepoint_flags_log_has_rules                = 0x0400,
233     _firehose_tracepoint_flags_log_has_oversize             = 0x0800,
234     _firehose_tracepoint_flags_log_has_context_data         = 0x1000,
235     );
236 
237 /*!
238  * @enum _firehose_tracepoint_type_metadata_t
239  *
240  * @abstract
241  * Types for metadata tracepoints (namespace metadata).
242  */
243 OS_ENUM(_firehose_tracepoint_type_metadata, firehose_tracepoint_type_t,
244     _firehose_tracepoint_type_metadata_dyld                 = 0x01,
245     _firehose_tracepoint_type_metadata_subsystem            = 0x02,
246     _firehose_tracepoint_type_metadata_kext                 = 0x03,
247     _firehose_tracepoint_type_metadata_coprocessor          = 0x04,
248     _firehose_tracepoint_type_metadata_exclave              = 0x05,
249     );
250 
251 /*!
252  * @enum firehose_tracepoint_type_signpost_t
253  *
254  * @abstract
255  * Types of Log tracepoints (namespace signpost).
256  */
257 OS_ENUM(_firehose_tracepoint_type_signpost, firehose_tracepoint_type_t,
258     _firehose_tracepoint_type_signpost_event                = 0x00,
259     _firehose_tracepoint_type_signpost_interval_begin       = 0x01,
260     _firehose_tracepoint_type_signpost_interval_end         = 0x02,
261 
262     _firehose_tracepoint_type_signpost_scope_mask           = 0xc0,
263     _firehose_tracepoint_type_signpost_scope_thread         = 0x40,
264     _firehose_tracepoint_type_signpost_scope_process        = 0x80,
265     _firehose_tracepoint_type_signpost_scope_system         = 0xc0,
266     );
267 
268 /*!
269  * @enum firehose_tracepoint_flags_signpost_t
270  *
271  * @abstract
272  * Flags for Log tracepoints (namespace signpost).
273  *
274  * When flags are shared with the log type, they should have the same values.
275  */
276 OS_OPTIONS(_firehose_tracepoint_flags_signpost, uint16_t,
277     // shared with log
278     _firehose_tracepoint_flags_signpost_has_private_data    = 0x0100,
279     _firehose_tracepoint_flags_signpost_has_subsystem       = 0x0200,
280     _firehose_tracepoint_flags_signpost_has_rules           = 0x0400,
281     _firehose_tracepoint_flags_signpost_has_oversize        = 0x0800,
282     _firehose_tracepoint_flags_signpost_has_context_data    = 0x1000,
283 
284     // specific to signpost
285     _firehose_tracepoint_flags_signpost_has_name            = 0x8000,
286     );
287 
288 /*!
289  * @enum _firehose_tracepoint_type_metric_t
290  *
291  * @abstract
292  * Types of Metric tracepoints (namespace metric).
293  */
294 OS_ENUM(_firehose_tracepoint_type_metric, firehose_tracepoint_type_t,
295     _firehose_tracepoint_type_metric_integer                = 0x00,
296     _firehose_tracepoint_type_metric_double                 = 0x01,
297     );
298 
299 /*!
300  * @enum firehose_tracepoint_flags_metric_t
301  *
302  * @abstract
303  * Flags for Metric tracepoints (namespace metric).
304  *
305  * When flags are shared with the log type, they should have the same values.
306  */
307 OS_OPTIONS(_firehose_tracepoint_flags_metric, uint16_t,
308     // shared with log
309     _firehose_tracepoint_flags_metric_has_private_data      = 0x0100,
310     _firehose_tracepoint_flags_metric_has_subsystem         = 0x0200,
311     _firehose_tracepoint_flags_metric_has_rules             = 0x0400,
312     _firehose_tracepoint_flags_metric_has_oversize          = 0x0800,
313     _firehose_tracepoint_flags_metric_has_context_data      = 0x1000,
314     );
315 
316 /* MIG firehose push reply structure */
317 typedef struct firehose_push_reply_s {
318 	uint64_t fpr_mem_flushed_pos;
319 	uint64_t fpr_io_flushed_pos;
320 } firehose_push_reply_t;
321 
322 typedef struct firehose_buffer_map_info_s {
323 	mach_vm_address_t fbmi_addr;
324 	mach_vm_size_t fbmi_size;
325 } firehose_buffer_map_info_t;
326 
327 #define FIREHOSE_PUSH_REPLY_CORRUPTED  ((firehose_push_reply_t){ ~0ULL, ~0ULL })
328 
329 typedef union firehose_buffer_u *firehose_buffer_t;
330 
331 __END_DECLS
332 
333     OS_ASSUME_NONNULL_END
334 
335 #endif // __FIREHOSE_TYPES_PRIVATE__
336