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hw/acpi: move object_resolve_type_unambiguous to core QOM

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object_resolve_type_unambiguous provides a useful functionality, that
is currently emulated for example by usb_bus_find().  Move it to core
code and add error reporting for increased generality.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240223124406.234509-2-pbonzini@redhat.com>
[PMD: Fixed style]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Paolo Bonzini 2024-02-23 13:43:57 +01:00 • committed by Philippe Mathieu-Daudé
parent 31ae8bb15d
commit ee3b34cd48
3 changed files with 34 additions and 15 deletions
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13
include/qom/object.h
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@ -1550,6 +1550,19 @@ Object *object_resolve_path(const char *path, bool *ambiguous);
Object *object_resolve_path_type(const char *path, const char *typename,
bool *ambiguous);
/**
* object_resolve_type_unambiguous:
* @typename: the type to look for
* @errp: pointer to error object
*
* Return the only object in the QOM tree of type @typename.
* If no match or more than one match is found, an error is
* returned.
*
* Returns: The matched object or NULL on path lookup failure.
*/
Object *object_resolve_type_unambiguous(const char *typename, Error **errp);
/**
* object_resolve_path_at:
* @parent: the object in which to resolve the path