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ACPICA: Debugger: Add new command to display full namespace pathnames.
Paths command displays the full pathname and object type for the entire namespace. Alternative to the Namespace command. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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3 changed files with 142 additions and 0 deletions
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@ -155,6 +155,8 @@ void acpi_db_set_scope(char *name);
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void acpi_db_dump_namespace(char *start_arg, char *depth_arg);
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void acpi_db_dump_namespace_paths(void);
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void acpi_db_dump_namespace_by_owner(char *owner_arg, char *depth_arg);
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acpi_status acpi_db_find_name_in_namespace(char *name_arg);
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@ -213,6 +213,12 @@ acpi_ns_dump_objects(acpi_object_type type,
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u8 display_type,
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u32 max_depth,
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acpi_owner_id owner_id, acpi_handle start_handle);
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void
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acpi_ns_dump_object_paths(acpi_object_type type,
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u8 display_type,
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u32 max_depth,
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acpi_owner_id owner_id, acpi_handle start_handle);
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#endif /* ACPI_FUTURE_USAGE */
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/*
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@ -59,6 +59,17 @@ acpi_ns_dump_one_device(acpi_handle obj_handle,
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#endif
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#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
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#ifdef ACPI_FUTURE_USAGE
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static acpi_status
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acpi_ns_dump_one_object_path(acpi_handle obj_handle,
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u32 level, void *context, void **return_value);
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static acpi_status
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acpi_ns_get_max_depth(acpi_handle obj_handle,
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u32 level, void *context, void **return_value);
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#endif /* ACPI_FUTURE_USAGE */
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/*******************************************************************************
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*
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* FUNCTION: acpi_ns_print_pathname
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@ -671,6 +682,129 @@ acpi_ns_dump_objects(acpi_object_type type,
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}
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#endif /* ACPI_FUTURE_USAGE */
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#ifdef ACPI_FUTURE_USAGE
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/*******************************************************************************
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*
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* FUNCTION: acpi_ns_dump_one_object_path, acpi_ns_get_max_depth
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*
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* PARAMETERS: obj_handle - Node to be dumped
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* level - Nesting level of the handle
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* context - Passed into walk_namespace
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* return_value - Not used
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*
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* RETURN: Status
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*
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* DESCRIPTION: Dump the full pathname to a namespace object. acp_ns_get_max_depth
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* computes the maximum nesting depth in the namespace tree, in
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* order to simplify formatting in acpi_ns_dump_one_object_path.
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* These procedures are user_functions called by acpi_ns_walk_namespace.
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*
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******************************************************************************/
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static acpi_status
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acpi_ns_dump_one_object_path(acpi_handle obj_handle,
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u32 level, void *context, void **return_value)
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{
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u32 max_level = *((u32 *)context);
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char *pathname;
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struct acpi_namespace_node *node;
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int path_indent;
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if (!obj_handle) {
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return (AE_OK);
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}
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node = acpi_ns_validate_handle(obj_handle);
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pathname = acpi_ns_get_external_pathname(node);
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path_indent = 1;
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if (level <= max_level) {
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path_indent = max_level - level + 1;
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}
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acpi_os_printf("%2d%*s%-12s%*s",
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level, level, " ", acpi_ut_get_type_name(node->type),
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path_indent, " ");
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acpi_os_printf("%s\n", &pathname[1]);
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ACPI_FREE(pathname);
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return (AE_OK);
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}
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static acpi_status
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acpi_ns_get_max_depth(acpi_handle obj_handle,
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u32 level, void *context, void **return_value)
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{
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u32 *max_level = (u32 *)context;
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if (level > *max_level) {
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*max_level = level;
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}
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ns_dump_object_paths
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*
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* PARAMETERS: type - Object type to be dumped
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* display_type - 0 or ACPI_DISPLAY_SUMMARY
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* max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
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* for an effectively unlimited depth.
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* owner_id - Dump only objects owned by this ID. Use
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* ACPI_UINT32_MAX to match all owners.
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* start_handle - Where in namespace to start/end search
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*
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* RETURN: None
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*
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* DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses
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* acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object_path.
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*
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******************************************************************************/
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void
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acpi_ns_dump_object_paths(acpi_object_type type,
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u8 display_type,
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u32 max_depth,
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acpi_owner_id owner_id, acpi_handle start_handle)
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{
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acpi_status status;
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u32 max_level = 0;
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ACPI_FUNCTION_ENTRY();
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/*
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* Just lock the entire namespace for the duration of the dump.
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* We don't want any changes to the namespace during this time,
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* especially the temporary nodes since we are going to display
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* them also.
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*/
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status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
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if (ACPI_FAILURE(status)) {
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acpi_os_printf("Could not acquire namespace mutex\n");
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return;
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}
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/* Get the max depth of the namespace tree, for formatting later */
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(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
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ACPI_NS_WALK_NO_UNLOCK |
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ACPI_NS_WALK_TEMP_NODES,
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acpi_ns_get_max_depth, NULL,
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(void *)&max_level, NULL);
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/* Now dump the entire namespace */
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(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
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ACPI_NS_WALK_NO_UNLOCK |
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ACPI_NS_WALK_TEMP_NODES,
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acpi_ns_dump_one_object_path, NULL,
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(void *)&max_level, NULL);
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(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
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}
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#endif /* ACPI_FUTURE_USAGE */
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/*******************************************************************************
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*
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* FUNCTION: acpi_ns_dump_entry
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