xref: /xnu-10002.81.5/libkern/firehose/firehose_types_private.h (revision 5e3eaea39dcf651e66cb99ba7d70e32cc4a99587)
1 /*
2  * Copyright (c) 2015-2016 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 
80     _firehose_stream_max,
81     _firehose_stream_disabled = (uint8_t)-1,
82     );
83 
84 /*!
85  * @enum firehose_tracepoint_namespace_t
86  *
87  * @abstract
88  * Namespaces of tracepoints.
89  */
90 OS_ENUM(firehose_tracepoint_namespace, uint8_t,
91     firehose_tracepoint_namespace_activity      = 0x02,
92     firehose_tracepoint_namespace_trace         = 0x03,
93     firehose_tracepoint_namespace_log           = 0x04,
94     firehose_tracepoint_namespace_metadata      = 0x05,
95     firehose_tracepoint_namespace_signpost      = 0x06,
96     firehose_tracepoint_namespace_loss          = 0x07,
97     );
98 
99 /*!
100  * @enum firehose_tracepoint_code_t
101  *
102  * @abstract
103  * Codes of tracepoints.
104  */
105 OS_ENUM(firehose_tracepoint_code, uint32_t,
106     firehose_tracepoint_code_invalid              = 0x00,
107     firehose_tracepoint_code_load                 = 0x01,
108     firehose_tracepoint_code_unload               = 0x02,
109     firehose_tracepoint_code_load_memory          = 0x08,
110     firehose_tracepoint_code_load_filesystem_ftab = 0x10,
111     );
112 
113 /*!
114  * @typedef firehose_tracepoint_type_t
115  *
116  * @abstract
117  * Type of tracepoints.
118  */
119 typedef uint8_t firehose_tracepoint_type_t;
120 
121 /*!
122  * @typedef firehose_tracepoint_flags_t
123  *
124  * @abstract
125  * Flags for tracepoints.
126  */
127 OS_OPTIONS(firehose_tracepoint_flags, uint16_t,
128     _firehose_tracepoint_flags_base_has_current_aid         = 0x0001,
129 #define _firehose_tracepoint_flags_pc_style_mask                 (0x0007 << 1)
130     _firehose_tracepoint_flags_pc_style_none                = 0x0000 << 1,
131         _firehose_tracepoint_flags_pc_style_main_exe            = 0x0001 << 1,
132         _firehose_tracepoint_flags_pc_style_shared_cache        = 0x0002 << 1,
133         _firehose_tracepoint_flags_pc_style_main_plugin         = 0x0003 << 1,
134         _firehose_tracepoint_flags_pc_style_absolute            = 0x0004 << 1,
135         _firehose_tracepoint_flags_pc_style_uuid_relative       = 0x0005 << 1,
136         _firehose_tracepoint_flags_pc_style_large_shared_cache  = 0x0006 << 1,
137         _firehose_tracepoint_flags_pc_style__unused7            = 0x0007 << 1,
138         _firehose_tracepoint_flags_base_has_unique_pid          = 0x0010,
139         _firehose_tracepoint_flags_base_has_large_offset        = 0x0020,
140     );
141 
142 /*
143  * Same as _OS_TRACE_DYNAMIC_BIT defined in libtrace/tracepoint_internal.h.
144  * This bit is used by logd to know how to evaluate the format
145  * string.
146  * If it is set, logd assumes that the format is "%s" and the content of the
147  * whole string is passed with the firehose_tracepoint.
148  * Otherwise it tries to find the unformatted string within the text
149  * section of the executable and expects only the content of the variables
150  * on the firehose_tracepoint.
151  */
152 #define FIREHOSE_TRACEPOINT_PC_DYNAMIC_BIT 0x80000000
153 
154 /*
155  * Same as KERNEL_MASK defined in logd/logd_main.c
156  * It is used by logd to mask the pc before calling
157  * OSKextCopyUUIDForAddress.
158  */
159 #define FIREHOSE_TRACEPOINT_PC_KERNEL_MASK 0xffff000000000000
160 
161 /*!
162  * @typedef firehose_tracepoint_id_t
163  *
164  * @abstract
165  * Opaque tracepoint identifier.
166  */
167 typedef uint64_t firehose_tracepoint_id_t;
168 
169 /*!
170  * @enum _firehose_tracepoint_type_activity_t
171  *
172  * @abstract
173  * Types of Activity tracepoints (namespace activity).
174  */
175 OS_ENUM(_firehose_tracepoint_type_activity, firehose_tracepoint_type_t,
176     _firehose_tracepoint_type_activity_create               = 0x01,
177     _firehose_tracepoint_type_activity_swap                 = 0x02,
178     _firehose_tracepoint_type_activity_useraction           = 0x03,
179     );
180 
181 /*!
182  * @enum firehose_tracepoint_flags_activity_t
183  *
184  * @abstract
185  * Flags for Activity tracepoints (namespace activity).
186  */
187 OS_OPTIONS(_firehose_tracepoint_flags_activity, uint16_t,
188     _firehose_tracepoint_flags_activity_user_interface      = 0x0100,
189     _firehose_tracepoint_flags_activity_has_other_aid       = 0x0200,
190     );
191 
192 /*!
193  * @enum firehose_tracepoint_type_trace_t
194  *
195  * @abstract
196  * Types of trace tracepoints (namespace trace).
197  */
198 OS_ENUM(_firehose_tracepoint_type_trace, firehose_tracepoint_type_t,
199     _firehose_tracepoint_type_trace_default                 = 0x00,
200     _firehose_tracepoint_type_trace_info                    = 0x01,
201     _firehose_tracepoint_type_trace_debug                   = 0x02,
202     _firehose_tracepoint_type_trace_error                   = 0x10,
203     _firehose_tracepoint_type_trace_fault                   = 0x11,
204     );
205 
206 /*!
207  * @enum firehose_tracepoint_type_log_t
208  *
209  * @abstract
210  * Types of Log tracepoints (namespace log).
211  */
212 OS_ENUM(_firehose_tracepoint_type_log, firehose_tracepoint_type_t,
213     _firehose_tracepoint_type_log_default                   = 0x00,
214     _firehose_tracepoint_type_log_info                      = 0x01,
215     _firehose_tracepoint_type_log_debug                     = 0x02,
216     _firehose_tracepoint_type_log_error                     = 0x10,
217     _firehose_tracepoint_type_log_fault                     = 0x11,
218     );
219 
220 /*!
221  * @enum firehose_tracepoint_flags_log_t
222  *
223  * @abstract
224  * Flags for Log tracepoints (namespace log).
225  */
226 OS_OPTIONS(_firehose_tracepoint_flags_log, uint16_t,
227     _firehose_tracepoint_flags_log_has_private_data         = 0x0100,
228     _firehose_tracepoint_flags_log_has_subsystem            = 0x0200,
229     _firehose_tracepoint_flags_log_has_rules                = 0x0400,
230     _firehose_tracepoint_flags_log_has_oversize             = 0x0800,
231     _firehose_tracepoint_flags_log_has_context_data         = 0x1000,
232     );
233 
234 /*!
235  * @enum _firehose_tracepoint_type_metadata_t
236  *
237  * @abstract
238  * Types for metadata tracepoints (namespace metadata).
239  */
240 OS_ENUM(_firehose_tracepoint_type_metadata, firehose_tracepoint_type_t,
241     _firehose_tracepoint_type_metadata_dyld                 = 0x01,
242     _firehose_tracepoint_type_metadata_subsystem            = 0x02,
243     _firehose_tracepoint_type_metadata_kext                 = 0x03,
244     _firehose_tracepoint_type_metadata_coprocessor          = 0x04,
245     );
246 
247 /*!
248  * @enum firehose_tracepoint_type_signpost_t
249  *
250  * @abstract
251  * Types of Log tracepoints (namespace signpost).
252  */
253 OS_ENUM(_firehose_tracepoint_type_signpost, firehose_tracepoint_type_t,
254     _firehose_tracepoint_type_signpost_event                = 0x00,
255     _firehose_tracepoint_type_signpost_interval_begin       = 0x01,
256     _firehose_tracepoint_type_signpost_interval_end         = 0x02,
257 
258     _firehose_tracepoint_type_signpost_scope_mask           = 0xc0,
259     _firehose_tracepoint_type_signpost_scope_thread         = 0x40,
260     _firehose_tracepoint_type_signpost_scope_process        = 0x80,
261     _firehose_tracepoint_type_signpost_scope_system         = 0xc0,
262     );
263 
264 /*!
265  * @enum firehose_tracepoint_flags_signpost_t
266  *
267  * @abstract
268  * Flags for Log tracepoints (namespace signpost).
269  *
270  * When flags are shared with the log type, they should have the same values.
271  */
272 OS_OPTIONS(_firehose_tracepoint_flags_signpost, uint16_t,
273     // shared with log
274     _firehose_tracepoint_flags_signpost_has_private_data    = 0x0100,
275     _firehose_tracepoint_flags_signpost_has_subsystem       = 0x0200,
276     _firehose_tracepoint_flags_signpost_has_rules           = 0x0400,
277     _firehose_tracepoint_flags_signpost_has_oversize        = 0x0800,
278     _firehose_tracepoint_flags_signpost_has_context_data    = 0x1000,
279 
280     // specific to signpost
281     _firehose_tracepoint_flags_signpost_has_name            = 0x8000,
282     );
283 
284 /* MIG firehose push reply structure */
285 typedef struct firehose_push_reply_s {
286 	uint64_t fpr_mem_flushed_pos;
287 	uint64_t fpr_io_flushed_pos;
288 } firehose_push_reply_t;
289 
290 typedef struct firehose_buffer_map_info_s {
291 	mach_vm_address_t fbmi_addr;
292 	mach_vm_size_t fbmi_size;
293 } firehose_buffer_map_info_t;
294 
295 #define FIREHOSE_PUSH_REPLY_CORRUPTED  ((firehose_push_reply_t){ ~0ULL, ~0ULL })
296 
297 typedef union firehose_buffer_u *firehose_buffer_t;
298 
299 __END_DECLS
300 
301     OS_ASSUME_NONNULL_END
302 
303 #endif // __FIREHOSE_TYPES_PRIVATE__
304