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[216.71.219.44]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-314bc419c52sm1029996eec.10.2026.07.24.09.54.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 Jul 2026 09:54:17 -0700 (PDT) Message-ID: Date: Fri, 24 Jul 2026 09:54:15 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 01/27] include/qemu/target-info-qom.h: declare TYPE_TARGET_SPECIFIC interface To: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org Cc: Nicholas Piggin , Daniel Henrique Barboza , Bernhard Beschow , Anton Johansson , Alistair Francis , Peter Maydell , Alistair Francis References: <20260724000948.234657-1-pierrick.bouvier@oss.qualcomm.com> <20260724000948.234657-2-pierrick.bouvier@oss.qualcomm.com> From: Pierrick Bouvier Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=JOMLdcKb c=1 sm=1 tr=0 ts=6a6398ba cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=iLqgmErQAxjCjdq5jj1Aqg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=jQTJpVBTkmvQw_xdRuEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-ORIG-GUID: xz6E-chF_ROO4hByOMTPmtV2AJ3XiTJE X-Proofpoint-Spam-Info: AW1haW4tMjYwNzI0MDE1MSBTYWx0ZWRfXy9yyvatuydrv FijyekUQ1oMJ5BLUPF4N704zUaa4gb0cPJO7VMbn1Fo7y6z8gwUmTh4rDxn4kZ356FF462F1G8b JZNncA7ZXmdAWhXjdNdk3IEPkiQKlQg= X-Proofpoint-GUID: xz6E-chF_ROO4hByOMTPmtV2AJ3XiTJE X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzI0MDE1MSBTYWx0ZWRfX26goDQbkcFsW TLbKaRA26L80GK+rE0E5yiFqRGQs2ISgJ2souXffsJHFBCVPGmB7xUNo21fRVfgOU+Fg3IaOGHq Zg2U/xvKJHBhn2+StbJ5OPERfmYdQavR7miSa2h9DhQ/dg5l3/FN8LjqEZZGCcBDOcLdyYI93s3 0S3L6rKg9fRTBEq+iCmEg6qxFn6ChP4ytuqgcj2yvPewVjjAwQDprf9cnPCwC7e72Lh4Osty24i oxLSonoXk+FYOOYgrFlD0IQDilEUFRstMDlOhitEms3IOQKZOI3qFAJ4hADN9zfMp/s35qoziMA guN0QWvnZfyGZl6sBdI2UFngCaTjlifOQI9ADzNqS2i8ENhTfMEY8ZjjXiVE7xkezSfXL1KwE48 qq0GQCqVajv105Kkv1Shl/Exx8DxbASSOGM3HKQlrAbILveWExhHSKG0xUcA2BYT+Qk4D6j7bdO Es5UItzBQ0bhUVKqyfQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-24_04,2026-07-24_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 impostorscore=0 spamscore=0 bulkscore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607240151 Received-SPF: pass client-ip=205.220.168.131; envelope-from=pierrick.bouvier@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 On 7/23/2026 11:21 PM, Philippe Mathieu-Daudé wrote: > On 24/7/26 02:09, Pierrick Bouvier wrote: >> In the next commits, We'll replace the logic to filter QOM types per >> target from a static one (based on INTERFACES) to a runtime one, based >> on is_available() function, that can be overriden per class. >> >> Introduce the new interface we'll use for that. >> >> Signed-off-by: Pierrick Bouvier >> --- >>   include/qemu/target-info-qom.h | 15 +++++++++++++++ >>   target-info-qom.c              |  5 +++++ >>   2 files changed, 20 insertions(+) >> >> diff --git a/include/qemu/target-info-qom.h b/include/qemu/target- >> info-qom.h >> index 91be415ed33..83eb537333b 100644 >> --- a/include/qemu/target-info-qom.h >> +++ b/include/qemu/target-info-qom.h >> @@ -14,6 +14,21 @@ >>     #define TYPE_TARGET_INFO "target-info" >>   +#define TYPE_TARGET_SPECIFIC "target-specific" >> + >> +typedef struct TargetSpecific TargetSpecific; >> + >> +typedef struct TargetSpecificClass { >> +    InterfaceClass parent_class; >> + >> +    bool (*is_available)(void); > > Hopefully we won't have to call this with heterogeneous machines. > Otherwise we might have to add another helper: > >        bool (*is_available_ti)(const TargetInfo *ti); > It should not be needed, since meson build system filter files for which CONFIG_X or target is not enabled, so they are excluded from the binary. The case we deal with here is having two targets with two different CONFIG_* sets, which makes additional types present at runtime for one of those target. >> +} TargetSpecificClass; >> + >> +#define TARGET_SPECIFIC(obj) \ >> +    INTERFACE_CHECK(TargetSpecific, (obj), TYPE_TARGET_SPECIFIC) >> +DECLARE_CLASS_CHECKERS(TargetSpecificClass, TARGET_SPECIFIC, >> +                       TYPE_TARGET_SPECIFIC) >> + >>   typedef struct TargetInfoQom { >>       Object parent_obj; >>   } TargetInfoQom; > Reviewed-by: Philippe Mathieu-Daudé >