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bh=4HROLlXHlhYMQbZTAf6PS83/wxPe3JxmKVcuywy/oIE=; b=f7CArYqUQcryuUfzU8+rpEoLEWxBBtk1DIijzNHi3tIBnZUgjoWqkdsageiYfewmsnsY02 6XQH1xM0fHuqAPs/KsfiiODfqh6oil+CCsTCENREqzwnk6xCkW93/2HKDkMLcfVCTD8Rf7 /cJjt/bXGRcPlPBc0A7FEA7SWUnnU+Q= X-MC-Unique: N1rOvlYhN_K5PLiadHxQMw-1 From: Eduardo Habkost To: qemu-devel@nongnu.org Subject: [PATCH 19/36] qdev: Move array property creation/registration to separate functions Date: Thu, 29 Oct 2020 18:02:29 -0400 Message-Id: <20201029220246.472693-20-ehabkost@redhat.com> In-Reply-To: <20201029220246.472693-1-ehabkost@redhat.com> References: <20201029220246.472693-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/29 01:47:28 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Daniel P. Berrange" , John Snow , Markus Armbruster , Igor Mammedov , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) The array property registration code is hard to follow. Move the two steps into separate functions that have clear responsibilities. Signed-off-by: Eduardo Habkost Reviewed-by: Marc-Andr=C3=A9 Lureau --- Cc: Paolo Bonzini Cc: "Daniel P. Berrang=C3=A9" Cc: Eduardo Habkost Cc: qemu-devel@nongnu.org --- hw/core/qdev-properties.c | 60 ++++++++++++++++++++++++++------------- 1 file changed, 41 insertions(+), 19 deletions(-) diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 27c09255d7..1f06dfb5d5 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -588,6 +588,32 @@ typedef struct { ObjectPropertyRelease *release; } ArrayElementProperty; =20 +/** + * Create ArrayElementProperty based on array length property + * @array_len_prop (which was previously defined using DEFINE_PROP_ARRAY()= ). + */ +static ArrayElementProperty *array_element_new(Object *obj, + Property *array_len_prop, + const char *arrayname, + int index, + void *eltptr) +{ + char *propname =3D g_strdup_printf("%s[%d]", arrayname, index); + ArrayElementProperty *arrayprop =3D g_new0(ArrayElementProperty, 1); + arrayprop->release =3D array_len_prop->arrayinfo->release; + arrayprop->propname =3D propname; + arrayprop->prop.info =3D array_len_prop->arrayinfo; + arrayprop->prop.name =3D propname; + /* This ugly piece of pointer arithmetic sets up the offset so + * that when the underlying get/set hooks call qdev_get_prop_ptr + * they get the right answer despite the array element not actually + * being inside the device struct. + */ + arrayprop->prop.offset =3D eltptr - (void *)obj; + assert(qdev_get_prop_ptr(obj, &arrayprop->prop) =3D=3D eltptr); + return arrayprop; +} + /* object property release callback for array element properties: * we call the underlying element's property release hook, and * then free the memory we allocated when we added the property. @@ -602,6 +628,18 @@ static void array_element_release(Object *obj, const c= har *name, void *opaque) g_free(p); } =20 +static void object_property_add_array_element(Object *obj, + Property *array_len_prop, + ArrayElementProperty *prop) +{ + object_property_add(obj, prop->prop.name, + prop->prop.info->name, + static_prop_getter(prop->prop.info), + static_prop_setter(prop->prop.info), + array_element_release, + prop); +} + static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { @@ -641,25 +679,9 @@ static void set_prop_arraylen(Object *obj, Visitor *v,= const char *name, */ *arrayptr =3D eltptr =3D g_malloc0(*alenptr * prop->arrayfieldsize); for (i =3D 0; i < *alenptr; i++, eltptr +=3D prop->arrayfieldsize) { - char *propname =3D g_strdup_printf("%s[%d]", arrayname, i); - ArrayElementProperty *arrayprop =3D g_new0(ArrayElementProperty, 1= ); - arrayprop->release =3D prop->arrayinfo->release; - arrayprop->propname =3D propname; - arrayprop->prop.info =3D prop->arrayinfo; - arrayprop->prop.name =3D propname; - /* This ugly piece of pointer arithmetic sets up the offset so - * that when the underlying get/set hooks call qdev_get_prop_ptr - * they get the right answer despite the array element not actually - * being inside the device struct. - */ - arrayprop->prop.offset =3D eltptr - (void *)obj; - assert(qdev_get_prop_ptr(obj, &arrayprop->prop) =3D=3D eltptr); - object_property_add(obj, propname, - arrayprop->prop.info->name, - static_prop_getter(arrayprop->prop.info), - static_prop_setter(arrayprop->prop.info), - array_element_release, - arrayprop); + ArrayElementProperty *elt_prop =3D array_element_new(obj, prop, ar= rayname, + i, eltptr); + object_property_add_array_element(obj, prop, elt_prop); } } =20 --=20 2.28.0