From nobody Mon Feb 9 19:06:24 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=huawei.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1631167818829716.5313463806715; Wed, 8 Sep 2021 23:10:18 -0700 (PDT) Received: from localhost ([::1]:57480 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mODGL-0003QQ-SC for importer@patchew.org; Thu, 09 Sep 2021 02:10:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35102) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mODCh-00048F-P1 for qemu-devel@nongnu.org; Thu, 09 Sep 2021 02:06:31 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:2918) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mODCe-000651-Mu for qemu-devel@nongnu.org; Thu, 09 Sep 2021 02:06:31 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4H4pLg4l1nzbmNh; Thu, 9 Sep 2021 14:02:19 +0800 (CST) Received: from dggpeml100016.china.huawei.com (7.185.36.216) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Thu, 9 Sep 2021 14:06:21 +0800 Received: from DESKTOP-27KDQMV.china.huawei.com (10.174.148.223) by dggpeml100016.china.huawei.com (7.185.36.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Thu, 9 Sep 2021 14:06:20 +0800 From: "Longpeng(Mike)" To: , , Subject: [PATCH v2 6/9] kvm: irqchip: extract kvm_irqchip_add_deferred_msi_route Date: Thu, 9 Sep 2021 14:06:10 +0800 Message-ID: <20210909060613.2815-7-longpeng2@huawei.com> X-Mailer: git-send-email 2.25.0.windows.1 In-Reply-To: <20210909060613.2815-1-longpeng2@huawei.com> References: <20210909060613.2815-1-longpeng2@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.148.223] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpeml100016.china.huawei.com (7.185.36.216) X-CFilter-Loop: Reflected 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=45.249.212.187; envelope-from=longpeng2@huawei.com; helo=szxga01-in.huawei.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-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: chenjiashang@huawei.com, mst@redhat.com, qemu-devel@nongnu.org, arei.gonglei@huawei.com, "Longpeng\(Mike\)" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1631167819888100001 Content-Type: text/plain; charset="utf-8" Extract a common helper that add MSI route for specific vector but does not commit immediately. Signed-off-by: Longpeng(Mike) --- accel/kvm/kvm-all.c | 15 +++++++++++++-- include/sysemu/kvm.h | 6 ++++++ 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 0125c17..13cdd01 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -1950,7 +1950,7 @@ int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg) return kvm_set_irq(s, route->kroute.gsi, 1); } =20 -int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) +int kvm_irqchip_add_deferred_msi_route(KVMState *s, int vector, PCIDevice = *dev) { struct kvm_irq_routing_entry kroute =3D {}; int virq; @@ -1993,7 +1993,18 @@ int kvm_irqchip_add_msi_route(KVMState *s, int vecto= r, PCIDevice *dev) =20 kvm_add_routing_entry(s, &kroute); kvm_arch_add_msi_route_post(&kroute, vector, dev); - kvm_irqchip_commit_routes(s); + + return virq; +} + +int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) +{ + int virq; + + virq =3D kvm_irqchip_add_deferred_msi_route(s, vector, dev); + if (virq >=3D 0) { + kvm_irqchip_commit_routes(s); + } =20 return virq; } diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index a1ab1ee..8de0d9a 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -476,6 +476,12 @@ void kvm_init_cpu_signals(CPUState *cpu); * @return: virq (>=3D0) when success, errno (<0) when failed. */ int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev); +/** + * Add MSI route for specific vector but does not commit to KVM + * immediately + */ +int kvm_irqchip_add_deferred_msi_route(KVMState *s, int vector, + PCIDevice *dev); int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, PCIDevice *dev); void kvm_irqchip_commit_routes(KVMState *s); --=20 1.8.3.1