From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7C67CCA0EE8 for ; Wed, 17 Sep 2025 09:14:49 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uyoFQ-0004Bc-7r; Wed, 17 Sep 2025 05:14:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uyoFK-0004Aa-AK for qemu-rust@nongnu.org; Wed, 17 Sep 2025 05:14:38 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uyoFI-0002P6-Fo for qemu-rust@nongnu.org; Wed, 17 Sep 2025 05:14:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1758100474; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=ZrV3wSJFLsh+0/8ERTRnMqxczJeijdh7Sto693JBM3g=; b=I3H1/ELStZtxvqgwuRvw5P30/iPIJKvXYpMNzATuKO3wnKXg1SVtqddEqf31uaITmyNgng o4NN7dA3FTTbxY6k9spHWazQNcnnD5OpRyUm/mepsbG679oiM046aK6+DG6ArXCwaLEaqv fINS+lUc4Qx2fREKULSWo9M0NrziCl8= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-266-csUSFvjIOHmMg4ZLBao7mA-1; Wed, 17 Sep 2025 05:14:33 -0400 X-MC-Unique: csUSFvjIOHmMg4ZLBao7mA-1 X-Mimecast-MFC-AGG-ID: csUSFvjIOHmMg4ZLBao7mA_1758100472 Received: by mail-wm1-f72.google.com with SMTP id 5b1f17b1804b1-45b9a856d58so15323365e9.0 for ; Wed, 17 Sep 2025 02:14:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758100471; x=1758705271; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:subject:from:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ZrV3wSJFLsh+0/8ERTRnMqxczJeijdh7Sto693JBM3g=; b=VKoYJZCCpwJTKvmo0Vq7Pzd/r71ag3pjBxlFxj5xuJEznSGcAKPtUfE1+L5vrIIGWk oOLAuRSAZ4+YMd+uyGfCstBlC8uAtGwM+nYstmv64lLgGPQiVHcv7kKzgqF0lr5p4Km6 IDwq3KJVqJUcRpl1UOonsVe7/8JjlkEccmLIfNnc3YU7iVGUPxtErdlVZzrdwb2kNiiC jzd4x6yzMN9/ZA4aeLps5l7ZA+bLBj+q6mesnxQDONT5byDH248WAPUO4N28kVsI1sh9 rkx/HNEViHHE9peqkeaMgbDe373JzVrF1rNYmTaa/RNqp3mGdR2xSsMzk+NffYQBY011 GuWg== X-Forwarded-Encrypted: i=1; AJvYcCVroPbgDiZQBPldkkH/DbUg/+Sx0rPgcpn8+uQSNvSYtY1bjkUk4soJDY+TgjbVyG8BMWO5Sb+r8Co=@nongnu.org X-Gm-Message-State: AOJu0Yyf5OdKYAOTaOepvBmfURWup/YVPTs23e+kYsBB9/Sh744CR5Fo 2IOy47/kQbTQfkePFG2Nd7R5aNwpIGcdKHeWAELnfZywo03jIVkJfxuXUfYJTyfWwUvT6OzTaq3 Q9MvYcqeDAm6eUyRT7XV7nOVg+ovMuqGIQNhleHfyzV2A5bDZrPAUp7ZtL6lpASg= X-Gm-Gg: ASbGncuh8X5lBrYVguMVrWQKzi0f64sj8y9Daz+rWI7XLeKeHnWh0oIJCpGXicZ3ytp VWyz3plZGpvAaBPyHX4+97pZFph8VgKJwCOGIv9kHkCTe9yEFPl5lZ5FMFwYI3IM0g2nrRvRyTk 3p+oz7nKRFkfG2h3iOZGStPzMD0F3WoMaBX4MbRdAtoQ6jOYuLRWI7iB6I7iGyfE4PAT2i8KdV7 FwFouypGkw1t9jBMyijjmVKDKXd7tzSedE2gtAa18LofnApR1L6JX+I/veXFB9hAiZEAyITVLmq 4PZAuShV0C4EQhGj10avb15UNiCz4g6Sg8DIuMfnd6miZ7VWRvexvvC6UqCHo0hLSaCLDi5eATc 8CIIcfHg39QU/vZGn+45qJ5MPKGjW9wSZnzajE8QbMUs= X-Received: by 2002:a05:600c:138f:b0:45b:9291:320d with SMTP id 5b1f17b1804b1-462074c5377mr12405385e9.31.1758100471258; Wed, 17 Sep 2025 02:14:31 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFEmxgu92EHP20rPVmzfYTufMiNW7NMmNylEmR/yhYY3ewoC23dJ0cEaag0bo2PWF1PTFKjzg== X-Received: by 2002:a05:600c:138f:b0:45b:9291:320d with SMTP id 5b1f17b1804b1-462074c5377mr12405135e9.31.1758100470760; Wed, 17 Sep 2025 02:14:30 -0700 (PDT) Received: from [192.168.10.48] ([151.95.56.250]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-45f3260a1ddsm35852495e9.5.2025.09.17.02.14.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 Sep 2025 02:14:30 -0700 (PDT) Message-ID: <637d028b-2bbb-405c-804b-eb921b344b3a@redhat.com> Date: Wed, 17 Sep 2025 11:14:29 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Paolo Bonzini Subject: Re: [PATCH 09/12] rust/qdev: Support bit property in #property macro To: Zhao Liu , Manos Pitsidianakis Cc: qemu-devel@nongnu.org, qemu-rust@nongnu.org References: <20250916085557.2008344-1-zhao1.liu@intel.com> <20250916085557.2008344-10-zhao1.liu@intel.com> Autocrypt: addr=pbonzini@redhat.com; keydata= xsEhBFRCcBIBDqDGsz4K0zZun3jh+U6Z9wNGLKQ0kSFyjN38gMqU1SfP+TUNQepFHb/Gc0E2 CxXPkIBTvYY+ZPkoTh5xF9oS1jqI8iRLzouzF8yXs3QjQIZ2SfuCxSVwlV65jotcjD2FTN04 hVopm9llFijNZpVIOGUTqzM4U55sdsCcZUluWM6x4HSOdw5F5Utxfp1wOjD/v92Lrax0hjiX DResHSt48q+8FrZzY+AUbkUS+Jm34qjswdrgsC5uxeVcLkBgWLmov2kMaMROT0YmFY6A3m1S P/kXmHDXxhe23gKb3dgwxUTpENDBGcfEzrzilWueOeUWiOcWuFOed/C3SyijBx3Av/lbCsHU Vx6pMycNTdzU1BuAroB+Y3mNEuW56Yd44jlInzG2UOwt9XjjdKkJZ1g0P9dwptwLEgTEd3Fo UdhAQyRXGYO8oROiuh+RZ1lXp6AQ4ZjoyH8WLfTLf5g1EKCTc4C1sy1vQSdzIRu3rBIjAvnC tGZADei1IExLqB3uzXKzZ1BZ+Z8hnt2og9hb7H0y8diYfEk2w3R7wEr+Ehk5NQsT2MPI2QBd wEv1/Aj1DgUHZAHzG1QN9S8wNWQ6K9DqHZTBnI1hUlkp22zCSHK/6FwUCuYp1zcAEQEAAc0j UGFvbG8gQm9uemluaSA8cGJvbnppbmlAcmVkaGF0LmNvbT7CwU0EEwECACMFAlRCcBICGwMH CwkIBwMCAQYVCAIJCgsEFgIDAQIeAQIXgAAKCRB+FRAMzTZpsbceDp9IIN6BIA0Ol7MoB15E 11kRz/ewzryFY54tQlMnd4xxfH8MTQ/mm9I482YoSwPMdcWFAKnUX6Yo30tbLiNB8hzaHeRj jx12K+ptqYbg+cevgOtbLAlL9kNgLLcsGqC2829jBCUTVeMSZDrzS97ole/YEez2qFpPnTV0 VrRWClWVfYh+JfzpXmgyhbkuwUxNFk421s4Ajp3d8nPPFUGgBG5HOxzkAm7xb1cjAuJ+oi/K CHfkuN+fLZl/u3E/fw7vvOESApLU5o0icVXeakfSz0LsygEnekDbxPnE5af/9FEkXJD5EoYG SEahaEtgNrR4qsyxyAGYgZlS70vkSSYJ+iT2rrwEiDlo31MzRo6Ba2FfHBSJ7lcYdPT7bbk9 AO3hlNMhNdUhoQv7M5HsnqZ6unvSHOKmReNaS9egAGdRN0/GPDWr9wroyJ65ZNQsHl9nXBqE AukZNr5oJO5vxrYiAuuTSd6UI/xFkjtkzltG3mw5ao2bBpk/V/YuePrJsnPFHG7NhizrxttB nTuOSCMo45pfHQ+XYd5K1+Cv/NzZFNWscm5htJ0HznY+oOsZvHTyGz3v91pn51dkRYN0otqr bQ4tlFFuVjArBZcapSIe6NV8C4cEiSTOwE0EVEJx7gEIAMeHcVzuv2bp9HlWDp6+RkZe+vtl KwAHplb/WH59j2wyG8V6i33+6MlSSJMOFnYUCCL77bucx9uImI5nX24PIlqT+zasVEEVGSRF m8dgkcJDB7Tps0IkNrUi4yof3B3shR+vMY3i3Ip0e41zKx0CvlAhMOo6otaHmcxr35sWq1Jk tLkbn3wG+fPQCVudJJECvVQ//UAthSSEklA50QtD2sBkmQ14ZryEyTHQ+E42K3j2IUmOLriF dNr9NvE1QGmGyIcbw2NIVEBOK/GWxkS5+dmxM2iD4Jdaf2nSn3jlHjEXoPwpMs0KZsgdU0pP JQzMUMwmB1wM8JxovFlPYrhNT9MAEQEAAcLBMwQYAQIACQUCVEJx7gIbDAAKCRB+FRAMzTZp sadRDqCctLmYICZu4GSnie4lKXl+HqlLanpVMOoFNnWs9oRP47MbE2wv8OaYh5pNR9VVgyhD OG0AU7oidG36OeUlrFDTfnPYYSF/mPCxHttosyt8O5kabxnIPv2URuAxDByz+iVbL+RjKaGM GDph56ZTswlx75nZVtIukqzLAQ5fa8OALSGum0cFi4ptZUOhDNz1onz61klD6z3MODi0sBZN Aj6guB2L/+2ZwElZEeRBERRd/uommlYuToAXfNRdUwrwl9gRMiA0WSyTb190zneRRDfpSK5d usXnM/O+kr3Dm+Ui+UioPf6wgbn3T0o6I5BhVhs4h4hWmIW7iNhPjX1iybXfmb1gAFfjtHfL xRUr64svXpyfJMScIQtBAm0ihWPltXkyITA92ngCmPdHa6M1hMh4RDX+Jf1fiWubzp1voAg0 JBrdmNZSQDz0iKmSrx8xkoXYfA3bgtFN8WJH2xgFL28XnqY4M6dLhJwV3z08tPSRqYFm4NMP dRsn0/7oymhneL8RthIvjDDQ5ktUjMe8LtHr70OZE/TT88qvEdhiIVUogHdo4qBrk41+gGQh b906Dudw5YhTJFU3nC6bbF2nrLlB4C/XSiH76ZvqzV0Z/cAMBo5NF/w= In-Reply-To: <20250916085557.2008344-10-zhao1.liu@intel.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: OY9itBtCUmRXbjd8aaJ-l4_Nb4jRA9RJWlPgyT7gJhI_1758100472 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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=-0.009, 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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-rust@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: QEMU Rust-related patches and discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-rust-bounces+qemu-rust=archiver.kernel.org@nongnu.org Sender: qemu-rust-bounces+qemu-rust=archiver.kernel.org@nongnu.org On 9/16/25 10:55, Zhao Liu wrote: > Add BIT_INFO to QDevProp trait, so that bit related property info could > be bound to u32 & u64. > > Then add "bit=*" field in #property attributes macro to allow device to > configure bit property. > > In addtion, convert the #property field parsing from `if-else` pattern > to `match` pattern, to help readability. And note, the `bitnr` member of > `Property` struct is generated by manual TokenStream construction, > instead of conditional repetition (like #(bitnr: #bitnr,)?) since > `quote` doesn't support this. We're almost certainly going to have more attribute parsing for ToMigrationState, therefore IMO it's time to drop the handwritten parser in favor of https://lore.kernel.org/qemu-devel/20250717062727.305466-1-pbonzini@redhat.com/. Then the extra parsing would be just one line: + parser.once("bitnr", with::eq(set::parse(&mut self.bitnr))); No other complaint! Paolo