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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49cf2531232sm36130955e9.7.2026.09.03.03.44.05 for (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 03 Sep 2026 03:44:06 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 36/51] qom/object: add is_available callback to TypeInfo Date: Thu, 3 Sep 2026 12:39:20 +0200 Message-ID: <20260903103936.62355-37-philmd@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260903103936.62355-1-philmd@oss.qualcomm.com> References: <20260903103936.62355-1-philmd@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAzMDA5MiBTYWx0ZWRfX/6n6n+mCZpkF rsgxbzj+AigbubVvgiQ8zSWXQnFCCNc715RqfmPsNgS25V8P60G3d2H5oPmFG6ohvjZ928rPFsU YmmbsZhlQzwYBcyRgzs6bK6y9zQroHQBdxiA8dcQH3L11viyrsQPz/pQ7nSO4qKi64mIbI6E96e YS5oT8gDBZNHcyOCgwm3v5kSMkt8WG033Fo+D1SziPezHCgY2Lnur1xohIZhx5F8SWinY7k7VeB z6GW2reExksvV/O5R0VlQndA6ERaZLxb50q36NB1AplmyJEWZzDhE8b+rgq/n1+fxXpVdi54jeL Xz6aBNNpXaYQjgdx8RVdOeEh+SmHy7vqctjivorBjOMHo+nyncD41d9GRScZIdUhawhjEGKpFIQ 7507HL6WiFwmiIVJAbmz+uwNz3uNaaYV3xMj9GizXtK4ZZn9ACwgEFLtGctuWMNDUDrGL0v6hNZ uT2gD7IBXsEeTR1SgNg== X-Proofpoint-ORIG-GUID: rnniKiEB5ETzwFniYy93ZQetOaJ2BqR6 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAzMDA5MiBTYWx0ZWRfX7/e3GaaGc+/8 fohEjAwAfJT7BaLnqSXBbf3p6Bfbia5TydiImBD9S+hxnxa7J4ZteHJbBcyu9B8SUQuyfQaBsWS bgnhNJWFtTLVb/e++S4ikKu7xVi4oyk= X-Proofpoint-GUID: rnniKiEB5ETzwFniYy93ZQetOaJ2BqR6 X-Authority-Analysis: v=2.4 cv=J4GaKgnS c=1 sm=1 tr=0 ts=6a994f79 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=AB6Ai_UoB1uFYp04BLIA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-03_03,2026-09-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 suspectscore=0 phishscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609030092 Received-SPF: pass client-ip=205.220.168.131; envelope-from=philmd@oss.qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Pierrick Bouvier When removing target specific sections (#ifdef TARGET_X), we started exposing types for different targets in the same file. Previously, we implemented a filter based on interfaces, but it proved to be too cumbersome, requiring duplication across architectures. To simplify it, we add a new callback, is_available, to TypeInfo, that will replace the existing filtering mechanism. Signed-off-by: Pierrick Bouvier Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Tested-by: Philippe Mathieu-Daudé Message-ID: <20260901202043.26532-2-pierrick.bouvier@oss.qualcomm.com> Signed-off-by: Philippe Mathieu-Daudé --- include/qom/object.h | 3 +++ qom/object.c | 4 ++++ rust/qom/src/qom.rs | 1 + 3 files changed, 8 insertions(+) diff --git a/include/qom/object.h b/include/qom/object.h index e24f0a2b2d0..7ecd0f210fb 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -469,6 +469,8 @@ struct Object * @class_data: Data to pass to the @class_init, * @class_base_init. This can be useful when building dynamic * classes. + * @is_available: callback invoked at registration time, to dynamically check if + * this type should be available or not. * @interfaces: The list of interfaces associated with this type. This * should point to a static array that's terminated with a zero filled * element. @@ -491,6 +493,7 @@ struct TypeInfo void (*class_base_init)(ObjectClass *klass, const void *data); const void *class_data; + bool (*is_available)(void); const InterfaceInfo *interfaces; }; diff --git a/qom/object.c b/qom/object.c index 85bbd7f9fe1..b1834a57cc9 100644 --- a/qom/object.c +++ b/qom/object.c @@ -163,6 +163,10 @@ static TypeImpl *type_register_internal(const TypeInfo *info) abort(); } + if (info->is_available && !info->is_available()) { + return NULL; + } + ti = type_new(info); type_table_add(ti); diff --git a/rust/qom/src/qom.rs b/rust/qom/src/qom.rs index cc00ddcfc98..bbb485e2cfd 100644 --- a/rust/qom/src/qom.rs +++ b/rust/qom/src/qom.rs @@ -691,6 +691,7 @@ pub trait ObjectImpl: ObjectType + IsA { class_init: Some(rust_class_init::), class_base_init: Self::CLASS_BASE_INIT, class_data: core::ptr::null(), + is_available: None, interfaces: core::ptr::null(), }; -- 2.53.0