1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 * Use of this source code is governed by a BSD-style license that can be
3 * found in the LICENSE file.
6 /* From private/ppb_nacl_private.idl modified Thu Jul 10 10:34:30 2014. */
8 #ifndef PPAPI_C_PRIVATE_PPB_NACL_PRIVATE_H_
9 #define PPAPI_C_PRIVATE_PPB_NACL_PRIVATE_H_
11 #include "ppapi/c/pp_bool.h"
12 #include "ppapi/c/pp_completion_callback.h"
13 #include "ppapi/c/pp_instance.h"
14 #include "ppapi/c/pp_macros.h"
15 #include "ppapi/c/pp_stdint.h"
16 #include "ppapi/c/pp_var.h"
17 #include "ppapi/c/private/ppp_pexe_stream_handler.h"
19 #define PPB_NACL_PRIVATE_INTERFACE_1_0 "PPB_NaCl_Private;1.0"
20 #define PPB_NACL_PRIVATE_INTERFACE PPB_NACL_PRIVATE_INTERFACE_1_0
24 * This file contains NaCl private interfaces. This interface is not versioned
25 * and is for internal Chrome use. It may change without notice. */
28 #include "ppapi/c/private/pp_file_handle.h"
29 #include "ppapi/c/private/ppb_instance_private.h"
35 /** NaCl-specific errors that should be reported to the user.
36 * These error codes are reported via UMA so, if you edit them:
37 * 1) make sure you understand UMA first.
38 * 2) update src/tools/metrics/histograms/histograms.xml
39 * Values are explicitly specified to make sure they don't shift around when
40 * edited, and also to make reading about:histograms easier.
43 PP_NACL_ERROR_LOAD_SUCCESS = 0,
44 PP_NACL_ERROR_LOAD_ABORTED = 1,
45 PP_NACL_ERROR_UNKNOWN = 2,
46 PP_NACL_ERROR_MANIFEST_RESOLVE_URL = 3,
47 PP_NACL_ERROR_MANIFEST_LOAD_URL = 4,
48 PP_NACL_ERROR_MANIFEST_STAT = 5,
49 PP_NACL_ERROR_MANIFEST_TOO_LARGE = 6,
50 PP_NACL_ERROR_MANIFEST_OPEN = 7,
51 PP_NACL_ERROR_MANIFEST_MEMORY_ALLOC = 8,
52 PP_NACL_ERROR_MANIFEST_READ = 9,
53 PP_NACL_ERROR_MANIFEST_PARSING = 10,
54 PP_NACL_ERROR_MANIFEST_SCHEMA_VALIDATE = 11,
55 PP_NACL_ERROR_MANIFEST_GET_NEXE_URL = 12,
56 PP_NACL_ERROR_NEXE_LOAD_URL = 13,
57 PP_NACL_ERROR_NEXE_ORIGIN_PROTOCOL = 14,
58 PP_NACL_ERROR_NEXE_FH_DUP = 15,
59 PP_NACL_ERROR_NEXE_STAT = 16,
60 PP_NACL_ERROR_ELF_CHECK_IO = 17,
61 PP_NACL_ERROR_ELF_CHECK_FAIL = 18,
62 PP_NACL_ERROR_SEL_LDR_INIT = 19,
63 PP_NACL_ERROR_SEL_LDR_CREATE_LAUNCHER = 20,
64 PP_NACL_ERROR_SEL_LDR_FD = 21,
65 PP_NACL_ERROR_SEL_LDR_LAUNCH = 22,
66 /* Deprecated, safe to reuse the value because it's never logged in UMA.
68 PP_NACL_ERROR_SEL_LDR_SEND_NEXE = 24,
69 PP_NACL_ERROR_SEL_LDR_HANDLE_PASSING = 25,
70 PP_NACL_ERROR_SEL_LDR_START_MODULE = 26,
71 PP_NACL_ERROR_SEL_LDR_START_STATUS = 27,
72 PP_NACL_ERROR_SRPC_CONNECTION_FAIL = 28,
73 PP_NACL_ERROR_START_PROXY_CHECK_PPP = 29,
74 PP_NACL_ERROR_START_PROXY_ALLOC = 30,
75 PP_NACL_ERROR_START_PROXY_MODULE = 31,
76 PP_NACL_ERROR_START_PROXY_INSTANCE = 32,
77 PP_NACL_ERROR_SEL_LDR_COMMUNICATION_CMD_CHANNEL = 33,
78 PP_NACL_ERROR_SEL_LDR_COMMUNICATION_REV_SETUP = 34,
79 PP_NACL_ERROR_SEL_LDR_COMMUNICATION_WRAPPER = 35,
80 PP_NACL_ERROR_SEL_LDR_COMMUNICATION_REV_SERVICE = 36,
81 PP_NACL_ERROR_START_PROXY_CRASH = 37,
82 PP_NACL_ERROR_MANIFEST_PROGRAM_MISSING_ARCH = 38,
83 PP_NACL_ERROR_PNACL_CACHE_OPEN_INPROGRESS = 39,
84 PP_NACL_ERROR_PNACL_CACHE_OPEN_NOACCESS = 40,
85 PP_NACL_ERROR_PNACL_CACHE_OPEN_NOQUOTA = 41,
86 PP_NACL_ERROR_PNACL_CACHE_OPEN_NOSPACE = 42,
87 PP_NACL_ERROR_PNACL_CACHE_OPEN_OTHER = 43,
88 PP_NACL_ERROR_PNACL_CACHE_DIRECTORY_CREATE = 44,
89 PP_NACL_ERROR_PNACL_CACHE_FILEOPEN_NOACCESS = 45,
90 PP_NACL_ERROR_PNACL_CACHE_FILEOPEN_NOQUOTA = 46,
91 PP_NACL_ERROR_PNACL_CACHE_FILEOPEN_NOSPACE = 47,
92 PP_NACL_ERROR_PNACL_CACHE_FILEOPEN_NOTAFILE = 48,
93 PP_NACL_ERROR_PNACL_CACHE_FILEOPEN_OTHER = 49,
94 PP_NACL_ERROR_PNACL_CACHE_FETCH_NOACCESS = 50,
95 PP_NACL_ERROR_PNACL_CACHE_FETCH_NOTFOUND = 51,
96 PP_NACL_ERROR_PNACL_CACHE_FETCH_OTHER = 52,
97 PP_NACL_ERROR_PNACL_CACHE_FINALIZE_COPY_NOQUOTA = 53,
98 PP_NACL_ERROR_PNACL_CACHE_FINALIZE_COPY_NOSPACE = 54,
99 PP_NACL_ERROR_PNACL_CACHE_FINALIZE_COPY_OTHER = 55,
100 PP_NACL_ERROR_PNACL_CACHE_FINALIZE_RENAME_NOACCESS = 56,
101 PP_NACL_ERROR_PNACL_CACHE_FINALIZE_RENAME_OTHER = 57,
102 PP_NACL_ERROR_PNACL_RESOURCE_FETCH = 58,
103 PP_NACL_ERROR_PNACL_PEXE_FETCH_ABORTED = 59,
104 PP_NACL_ERROR_PNACL_PEXE_FETCH_NOACCESS = 60,
105 PP_NACL_ERROR_PNACL_PEXE_FETCH_OTHER = 61,
106 PP_NACL_ERROR_PNACL_THREAD_CREATE = 62,
107 PP_NACL_ERROR_PNACL_LLC_SETUP = 63,
108 PP_NACL_ERROR_PNACL_LD_SETUP = 64,
109 PP_NACL_ERROR_PNACL_LLC_INTERNAL = 65,
110 PP_NACL_ERROR_PNACL_LD_INTERNAL = 66,
111 PP_NACL_ERROR_PNACL_CREATE_TEMP = 67,
112 /* This entry is no longer used, but should not be removed, because UMA
114 PP_NACL_ERROR_PNACL_NOT_ENABLED = 68,
115 PP_NACL_ERROR_MANIFEST_NOACCESS_URL = 69,
116 PP_NACL_ERROR_NEXE_NOACCESS_URL = 70,
117 PP_NACL_ERROR_PNACL_CRASH_THROTTLED = 71,
118 /* If you add a code, read the enum comment above on how to update
123 /** Event types that NaCl may use when reporting load progress or errors. */
125 PP_NACL_EVENT_LOADSTART,
126 PP_NACL_EVENT_PROGRESS,
130 PP_NACL_EVENT_LOADEND,
135 PP_SCHEME_CHROME_EXTENSION,
141 /* The trusted plugin begins in this ready state. */
142 PP_NACL_READY_STATE_UNSENT = 0,
143 /* The manifest file has been requested, but not yet received. */
144 PP_NACL_READY_STATE_OPENED = 1,
145 /* The manifest file has been received and the nexe successfully requested. */
146 PP_NACL_READY_STATE_LOADING = 3,
147 /* The nexe has been loaded and the proxy started, so it is ready for
149 PP_NACL_READY_STATE_DONE = 4
156 * @addtogroup Structs
159 struct PP_PNaClOptions {
169 * @addtogroup Typedefs
172 /* Callback invoked upon completion of PPP_ManifestService::OpenResource(). */
173 typedef void (*PP_OpenResourceCompletionCallback)(void* user_data,
174 PP_FileHandle file_handle);
180 * @addtogroup Structs
183 /* Corresponds to NaClFileInfo in
184 * native_client/src/trusted/validator/nacl_file_info.h */
185 struct PP_NaClFileInfo {
186 PP_FileHandle handle;
187 /* See NaClFileToken comment in nacl_file_info.h */
196 * @addtogroup Interfaces
199 /* PPB_NaCl_Private */
200 struct PPB_NaCl_Private_1_0 {
201 /* Launches NaCl's sel_ldr process. Returns PP_EXTERNAL_PLUGIN_OK on success
202 * and writes a NaClHandle to imc_handle. Returns PP_EXTERNAL_PLUGIN_FAILED on
203 * failure. The |enable_ppapi_dev| parameter controls whether GetInterface
204 * returns 'Dev' interfaces to the NaCl plugin. The |uses_ppapi| flag
205 * indicates that the nexe run by sel_ldr will use the PPAPI APIs.
206 * This implies that LaunchSelLdr is run from the main thread. If a nexe
207 * does not need PPAPI, then it can run off the main thread.
208 * The |nexe_file_info| is currently used only in non-SFI mode. It is the
209 * file handle for the main nexe file, which should be initially loaded.
210 * LaunchSelLdr takes the ownership of the file handle.
211 * The |uses_irt| flag indicates whether the IRT should be loaded in this
212 * NaCl process. This is true for ABI stable nexes.
213 * The |uses_nonsfi_mode| flag indicates whether or not nonsfi-mode should
214 * be used with the binary pointed by the url.
215 * The |enable_dyncode_syscalls| flag indicates whether or not the nexe
216 * will be able to use dynamic code system calls (e.g., mmap with PROT_EXEC).
217 * The |enable_exception_handling| flag indicates whether or not the nexe
218 * will be able to use hardware exception handling.
219 * The |enable_crash_throttling| flag indicates whether or not crashes of
220 * the nexe contribute to crash throttling statisics and whether nexe starts
221 * are throttled by crash throttling.
223 void (*LaunchSelLdr)(PP_Instance instance,
224 PP_Bool main_service_runtime,
225 const char* alleged_url,
226 const struct PP_NaClFileInfo* nexe_file_info,
229 PP_Bool uses_nonsfi_mode,
230 PP_Bool enable_ppapi_dev,
231 PP_Bool enable_dyncode_syscalls,
232 PP_Bool enable_exception_handling,
233 PP_Bool enable_crash_throttling,
235 struct PP_CompletionCallback callback);
236 /* This function starts the IPC proxy so the nexe can communicate with the
239 PP_Bool (*StartPpapiProxy)(PP_Instance instance);
240 /* On POSIX systems, this function returns the file descriptor of
241 * /dev/urandom. On non-POSIX systems, this function returns 0.
243 int32_t (*UrandomFD)(void);
244 /* Whether the Pepper 3D interfaces should be disabled in the NaCl PPAPI
245 * proxy. This is so paranoid admins can effectively prevent untrusted shader
246 * code to be processed by the graphics stack.
248 PP_Bool (*Are3DInterfacesDisabled)(void);
249 /* This is Windows-specific. This is a replacement for DuplicateHandle() for
250 * use inside the Windows sandbox. Note that we provide this via dependency
251 * injection only to avoid the linkage problems that occur because the NaCl
252 * plugin is built as a separate DLL/DSO
253 * (see http://code.google.com/p/chromium/issues/detail?id=114439#c8).
255 int32_t (*BrokerDuplicateHandle)(PP_FileHandle source_handle,
257 PP_FileHandle* target_handle,
258 uint32_t desired_access,
260 /* Returns a read-only (but executable) file descriptor / file info for
261 * a url for pnacl translator tools. Returns an invalid handle on failure.
263 void (*GetReadExecPnaclFd)(const char* url,
264 struct PP_NaClFileInfo* out_file_info);
265 /* This creates a temporary file that will be deleted by the time
266 * the last handle is closed (or earlier on POSIX systems), and
267 * returns a posix handle to that temporary file.
269 PP_FileHandle (*CreateTemporaryFile)(PP_Instance instance);
270 /* Return the number of processors in the system as reported by the OS */
271 int32_t (*GetNumberOfProcessors)(void);
272 /* Return whether the non-SFI mode is enabled. */
273 PP_Bool (*IsNonSFIModeEnabled)(void);
274 /* Report to the browser that translation of the pexe for |instance|
275 * has finished, or aborted with an error. If |success| is true, the
276 * browser may then store the translation in the cache. The renderer
277 * must first have called GetNexeFd for the same instance. (The browser is
278 * not guaranteed to store the nexe even if |success| is true; if there is
279 * an error on the browser side, or the file is too big for the cache, or
280 * the browser is in incognito mode, no notification will be delivered to
283 void (*ReportTranslationFinished)(PP_Instance instance,
287 int64_t compile_time_us);
288 /* Dispatch a progress event on the DOM element where the given instance is
291 void (*DispatchEvent)(PP_Instance instance,
292 PP_NaClEventType event_type,
293 const char* resource_url,
294 PP_Bool length_is_computable,
295 uint64_t loaded_bytes,
296 uint64_t total_bytes);
297 /* Report that the nexe loaded successfully. */
298 void (*ReportLoadSuccess)(PP_Instance instance,
299 uint64_t loaded_bytes,
300 uint64_t total_bytes);
301 /* Report an error that occured while attempting to load a nexe. */
302 void (*ReportLoadError)(PP_Instance instance,
304 const char* error_message);
305 /* Reports that loading a nexe was aborted. */
306 void (*ReportLoadAbort)(PP_Instance instance);
307 /* Reports that the nexe has crashed. */
308 void (*NexeDidCrash)(PP_Instance instance, const char* crash_log);
309 /* Performs internal setup when an instance is created. */
310 void (*InstanceCreated)(PP_Instance instance);
311 /* Performs internal cleanup when an instance is destroyed. */
312 void (*InstanceDestroyed)(PP_Instance instance);
313 /* Return true if the NaCl debug stub is enabled and the app loaded from
314 * alleged_nmf_url will be attached to a debugger.
316 PP_Bool (*NaClDebugEnabledForURL)(const char* alleged_nmf_url);
317 /* Returns the kind of SFI sandbox implemented by NaCl on this
320 const char* (*GetSandboxArch)(void);
321 /* Logs the message to the console. */
322 void (*LogToConsole)(PP_Instance instance, const char* message);
323 /* Returns the NaCl readiness status for this instance. */
324 PP_NaClReadyState (*GetNaClReadyState)(PP_Instance instance);
325 /* Returns the exit status of the plugin process. */
326 int32_t (*GetExitStatus)(PP_Instance instance);
327 /* Sets the exit status of the plugin process. */
328 void (*SetExitStatus)(PP_Instance instance, int32_t exit_status);
329 /* Logs the message via VLOG. */
330 void (*Vlog)(const char* message);
331 /* Initializes internal state for a NaCl plugin. */
332 void (*InitializePlugin)(PP_Instance instance,
336 /* Returns the size of the nexe. */
337 int64_t (*GetNexeSize)(PP_Instance instance);
338 /* Requests the NaCl manifest specified in the plugin arguments. */
339 void (*RequestNaClManifest)(PP_Instance instance,
340 struct PP_CompletionCallback callback);
341 struct PP_Var (*GetManifestBaseURL)(PP_Instance instance);
342 /* Processes the NaCl manifest once it's been retrieved.
343 * TODO(teravest): Move the rest of the supporting logic out of the trusted
346 void (*ProcessNaClManifest)(PP_Instance instance, const char* program_url);
347 PP_Bool (*DevInterfacesEnabled)(PP_Instance instance);
348 PP_Bool (*GetManifestProgramURL)(PP_Instance instance,
349 struct PP_Var* full_url,
350 struct PP_PNaClOptions* pnacl_options,
351 PP_Bool* uses_nonsfi_mode);
352 /* Returns the filenames for the llc and ld tools. */
353 PP_Bool (*GetPnaclResourceInfo)(PP_Instance instance,
354 struct PP_Var* llc_tool_name,
355 struct PP_Var* ld_tool_name);
356 /* PP_Var string of attributes describing the CPU features supported
357 * by the current architecture. The string is a comma-delimited list
358 * of attributes supported by LLVM in its -mattr= option:
359 * http://llvm.org/docs/CommandGuide/llc.html#cmdoption-mattr */
360 struct PP_Var (*GetCpuFeatureAttrs)(void);
361 /* Posts a message to the JavaScript object for the given instance.
362 * This method may be called on any thread.
364 void (*PostMessageToJavaScript)(PP_Instance instance, const char* message);
365 /* Downloads the .nexe file at the given URL to a file, and sets |file_info|
366 * to information for a handle to a file containing its contents.
367 * If metadata for identity-based validation caching is available
368 * then it sets token information in |file_info| (otherwise left untouched).
370 void (*DownloadNexe)(PP_Instance instance,
372 struct PP_NaClFileInfo* file_info,
373 struct PP_CompletionCallback callback);
374 /* Reports the status of sel_ldr for UMA reporting.
375 * |max_status| has to be provided because the implementation of this
376 * interface can't access the NaClErrorCode enum.
378 void (*ReportSelLdrStatus)(PP_Instance instance,
381 /* Logs time taken by an operation to UMA histograms.
382 * This function is safe to call on any thread.
384 void (*LogTranslateTime)(const char* histogram_name, int64_t time_us);
385 /* Opens a manifest entry for the given instance. If this is for a helper
386 * process, we consult our internal pnacl.json instead of the user-supplied
388 * Fails for files which require PNaCl translation.
390 void (*OpenManifestEntry)(PP_Instance instance,
391 PP_Bool is_helper_process,
393 struct PP_NaClFileInfo* file_info,
394 struct PP_CompletionCallback callback);
395 /* Sets the start time for PNaCl downloading and translation to the current
398 void (*SetPNaClStartTime)(PP_Instance instance);
399 /* Downloads and streams a pexe file for PNaCl translation.
400 * Fetches the content at |pexe_url| for the given instance and opt_level.
401 * If a translated cached nexe is already available, |cache_hit_handle|
402 * is set and |cache_hit_callback| is called.
403 * Otherwise, |stream_callback| is called repeatedly with blocks of data
404 * as they are received. |stream_finished_callback| is called after all
405 * data has been received and dispatched to |stream_callback|.
407 void (*StreamPexe)(PP_Instance instance,
408 const char* pexe_url,
410 const struct PPP_PexeStreamHandler_1_0* stream_handler,
411 void* stream_handler_user_data);
414 typedef struct PPB_NaCl_Private_1_0 PPB_NaCl_Private;
419 #endif /* PPAPI_C_PRIVATE_PPB_NACL_PRIVATE_H_ */