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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BC9DC49EAB for ; Tue, 5 Nov 2019 09:14:52 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 3EAE320869 for ; Tue, 5 Nov 2019 09:14:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3EAE320869 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41828 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iRuvL-0008GC-52 for qemu-devel@archiver.kernel.org; Tue, 05 Nov 2019 04:14:51 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43047) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iRusx-000520-Ca for qemu-devel@nongnu.org; Tue, 05 Nov 2019 04:12:24 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iRusv-0007mY-Sy for qemu-devel@nongnu.org; Tue, 05 Nov 2019 04:12:23 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:2190 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iRuss-0007he-V8; Tue, 05 Nov 2019 04:12:19 -0500 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 1FE66EE9B26D8FE4F05B; Tue, 5 Nov 2019 17:12:13 +0800 (CST) Received: from linux-OtBuvb.huawei.com (10.175.104.212) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.439.0; Tue, 5 Nov 2019 17:12:06 +0800 From: Heyi Guo To: , Subject: [RFC v2 06/14] arm/sdei: add system reset callback Date: Tue, 5 Nov 2019 17:10:48 +0800 Message-ID: <20191105091056.9541-7-guoheyi@huawei.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20191105091056.9541-1-guoheyi@huawei.com> References: <20191105091056.9541-1-guoheyi@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.104.212] X-CFilter-Loop: Reflected Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 45.249.212.190 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: Mark Rutland , Peter Maydell , James Morse , Marc Zyngier , Jingyi Wang , Heyi Guo , wanghaibin.wang@huawei.com, Dave Martin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" For this is a logical device which is not attached to system bus, we cannot use DeviceClass->reset interface directly. Instead we register our own reset callback to reset SDEI services when system resets. Signed-off-by: Heyi Guo Signed-off-by: Jingyi Wang Cc: Peter Maydell Cc: Dave Martin Cc: Marc Zyngier Cc: Mark Rutland Cc: James Morse --- target/arm/sdei.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/target/arm/sdei.c b/target/arm/sdei.c index 0c0212bfa8..6af4a9044b 100644 --- a/target/arm/sdei.c +++ b/target/arm/sdei.c @@ -1147,6 +1147,26 @@ static void qemu_sde_init(QemuSDEState *s) qemu_private_sde_init(s); } =20 +static void qemu_sde_reset(void *opaque) +{ + int64_t ret =3D 0; + CPUState *cs; + QemuSDEState *s =3D opaque; + + CPU_FOREACH(cs) { + QemuSDECpu *sde_cpu =3D get_sde_cpu(s, cs); + ret |=3D sdei_private_reset_common(s, cs, true); + sde_cpu->masked =3D true; + sde_cpu->critical_running_event =3D SDEI_INVALID_EVENT_ID; + sde_cpu->normal_running_event =3D SDEI_INVALID_EVENT_ID; + } + + ret |=3D sdei_shared_reset_common(s, first_cpu, true); + if (ret) { + error_report("SDEI system reset failed: 0x%lx", ret); + } +} + static void sde_array_save(QemuSDE **array, int count) { int i; @@ -1299,6 +1319,7 @@ static void sdei_initfn(Object *obj) sde_state =3D s; =20 qemu_sde_init(s); + qemu_register_reset(qemu_sde_reset, s); } =20 static void qemu_sde_class_init(ObjectClass *klass, void *data) --=20 2.19.1