From nobody Tue Nov 26 10:39:13 2024 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=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1708684651; cv=none; d=zohomail.com; s=zohoarc; b=k+ZWCKTt/qfR653t9RxFT7tobwXeAKgIzS1kS55vN8F9hnx/RtnmgyLm82K4OI97Y6ECB+UhGCJGYd5XSwFBaBpfTliscMOkPtHXFoDgyQZe5RvNlJ33EMb0cfzfJSRIe05mzt+98Kh58GWFbVrN1lubYIIuPX/vyoqFmCT+zYo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1708684651; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=OvuXVY4k3pgaq/cdljeUH6J4STYaFmbl3/M4xS9yIqA=; b=ZQxpeFkXoPaiVM/TIwjfTA6vQNg09JQCAzygwm1NCG6og0XVJe3Xx387DqyM+qccI4nlUrZqaj2/RBkSqnuEArv/bd+Q1aicy4902Z/R3aUybasfEtJZXA5gkC0fNvPvFllNZQbO5dgLCRJiPaOUKf33tVmOr+HMH3z9GujIUEY= ARC-Authentication-Results: i=1; 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=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 170868465191968.6897823253712; Fri, 23 Feb 2024 02:37:31 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rdSsz-0003ss-RY; Fri, 23 Feb 2024 05:34:33 -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 1rdSsV-0003c1-GP; Fri, 23 Feb 2024 05:34:05 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rdSsP-0001xO-Op; Fri, 23 Feb 2024 05:34:03 -0500 Received: from mail.maildlp.com (unknown [172.19.163.44]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4Th5tN0SB0z1xnSY; Fri, 23 Feb 2024 18:32:28 +0800 (CST) Received: from kwepemi500008.china.huawei.com (unknown [7.221.188.139]) by mail.maildlp.com (Postfix) with ESMTPS id CB6311400CB; Fri, 23 Feb 2024 18:33:52 +0800 (CST) Received: from huawei.com (10.67.174.55) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Fri, 23 Feb 2024 18:33:52 +0800 To: , , , , , , CC: Subject: [RFC PATCH v3 21/21] hw/arm/virt: Add FEAT_GICv3_NMI feature support in virt GIC Date: Fri, 23 Feb 2024 10:32:21 +0000 Message-ID: <20240223103221.1142518-22-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240223103221.1142518-1-ruanjinjie@huawei.com> References: <20240223103221.1142518-1-ruanjinjie@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.67.174.55] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemi500008.china.huawei.com (7.221.188.139) 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=45.249.212.190; envelope-from=ruanjinjie@huawei.com; helo=szxga04-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Reply-to: Jinjie Ruan From: Jinjie Ruan via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1708684652617100010 Content-Type: text/plain; charset="utf-8" A PE that implements FEAT_NMI and FEAT_GICv3 also implements FEAT_GICv3_NMI. A PE that does not implement FEAT_NMI, does not implement FEAT_GICv3_NMI So included support FEAT_GICv3_NMI feature as part of virt platform GIC initialization if FEAT_NMI and FEAT_GICv3 supported. Signed-off-by: Jinjie Ruan Reviewed-by: Richard Henderson --- v3: - Adjust to be the last after add FEAT_NMI to max. - Check whether support FEAT_NMI and FEAT_GICv3 for FEAT_GICv3_NMI. --- hw/arm/virt.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 2d4a187fd5..c12307ccd9 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -712,6 +712,19 @@ static void create_v2m(VirtMachineState *vms) vms->msi_controller =3D VIRT_MSI_CTRL_GICV2M; } =20 +/* + * A PE that implements FEAT_NMI and FEAT_GICv3 also implements + * FEAT_GICv3_NMI. A PE that does not implement FEAT_NMI, does not impleme= nt + * FEAT_GICv3_NMI. + */ +static bool gicv3_nmi_present(VirtMachineState *vms) +{ + ARMCPU *cpu =3D ARM_CPU(qemu_get_cpu(0)); + + return cpu_isar_feature(aa64_nmi, cpu) && + (vms->gic_version !=3D VIRT_GIC_VERSION_2); +} + static void create_gic(VirtMachineState *vms, MemoryRegion *mem) { MachineState *ms =3D MACHINE(vms); @@ -785,6 +798,11 @@ static void create_gic(VirtMachineState *vms, MemoryRe= gion *mem) vms->virt); } } + + if (gicv3_nmi_present(vms)) { + qdev_prop_set_bit(vms->gic, "has-nmi", true); + } + gicbusdev =3D SYS_BUS_DEVICE(vms->gic); sysbus_realize_and_unref(gicbusdev, &error_fatal); sysbus_mmio_map(gicbusdev, 0, vms->memmap[VIRT_GIC_DIST].base); --=20 2.34.1