From nobody Fri Apr 4 22:57:44 2025 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 173976471297741.522286314088205; Sun, 16 Feb 2025 19:58:32 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tjsGD-0001To-V0; Sun, 16 Feb 2025 22:57:34 -0500 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 1tjsGA-0001SC-F2 for qemu-devel@nongnu.org; Sun, 16 Feb 2025 22:57:30 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tjsG7-0006rB-Hv for qemu-devel@nongnu.org; Sun, 16 Feb 2025 22:57:30 -0500 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8AxDGuhs7Jntl54AA--.11456S3; Mon, 17 Feb 2025 11:57:21 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowMBxn8Wfs7JnbXwXAA--.24352S10; Mon, 17 Feb 2025 11:57:21 +0800 (CST) From: Bibo Mao To: Song Gao Cc: qemu-devel@nongnu.org, lixianglai Subject: [PATCH 8/8] target/loongarch: Add virtual extioi feature enabling Date: Mon, 17 Feb 2025 11:57:18 +0800 Message-Id: <20250217035718.3977137-9-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250217035718.3977137-1-maobibo@loongson.cn> References: <20250217035718.3977137-1-maobibo@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMBxn8Wfs7JnbXwXAA--.24352S10 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== 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=114.242.206.163; envelope-from=maobibo@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1739764714427019000 Content-Type: text/plain; charset="utf-8" Feature virtual extioi is loongArch virt machine property rather than vCPU property in qemu side. However it is vCPU property in KVM kernel side, here add loongArch virt machine property checking and enable virt extioi feature when vCPU is created. Signed-off-by: Bibo Mao --- target/loongarch/kvm/kvm.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c index 9b0ff510fe..c55f6f896c 100644 --- a/target/loongarch/kvm/kvm.c +++ b/target/loongarch/kvm/kvm.c @@ -21,6 +21,7 @@ #include "exec/address-spaces.h" #include "hw/boards.h" #include "hw/irq.h" +#include "hw/loongarch/virt.h" #include "qemu/log.h" #include "hw/loader.h" #include "system/runstate.h" @@ -1023,6 +1024,7 @@ static int kvm_cpu_check_pmu(CPUState *cs, Error **er= rp) =20 static int kvm_cpu_check_pv_features(CPUState *cs, Error **errp) { + MachineState *ms =3D MACHINE(qdev_get_machine()); LoongArchCPU *cpu =3D LOONGARCH_CPU(cs); CPULoongArchState *env =3D cpu_env(cs); bool kvm_supported; @@ -1055,6 +1057,14 @@ static int kvm_cpu_check_pv_features(CPUState *cs, E= rror **errp) env->pv_features |=3D BIT(KVM_FEATURE_STEAL_TIME); } =20 + if (object_dynamic_cast(OBJECT(ms), TYPE_LOONGARCH_VIRT_MACHINE)) { + LoongArchVirtMachineState *lvms =3D LOONGARCH_VIRT_MACHINE(ms); + + if (lvms->veiointc !=3D ON_OFF_AUTO_OFF) { + env->pv_features |=3D BIT(KVM_FEATURE_VIRT_EXTIOI); + } + } + return 0; } =20 --=20 2.39.3