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 CFAB6C49EAB for ; Tue, 5 Nov 2019 09:21:04 +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 A574020717 for ; Tue, 5 Nov 2019 09:21:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A574020717 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]:41912 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iRv1L-0006mn-Cr for qemu-devel@archiver.kernel.org; Tue, 05 Nov 2019 04:21:03 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43179) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iRut0-000568-5p for qemu-devel@nongnu.org; Tue, 05 Nov 2019 04:12:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iRusz-0007pP-0s for qemu-devel@nongnu.org; Tue, 05 Nov 2019 04:12:26 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:52116 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iRusv-0007j8-79; Tue, 05 Nov 2019 04:12:21 -0500 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 3294EB169FFE9A49559A; Tue, 5 Nov 2019 17:12:18 +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 17:12:10 +0800 From: Heyi Guo To: , Subject: [RFC v2 13/14] arm/kvm: handle guest exit of hypercall Date: Tue, 5 Nov 2019 17:10:55 +0800 Message-ID: <20191105091056.9541-14-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: 45.249.212.35 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 , Marc Zyngier , James Morse , Heyi Guo , wanghaibin.wang@huawei.com, Dave Martin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add support to handle guest exit of hypercall, and forward to SDEI dispatcher if SDEI is enabled and it is an SDEI request. Signed-off-by: Heyi Guo Cc: Peter Maydell Cc: Dave Martin Cc: Marc Zyngier Cc: Mark Rutland Cc: James Morse --- target/arm/kvm.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/target/arm/kvm.c b/target/arm/kvm.c index b473c63edb..035a39e49f 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -30,6 +30,7 @@ #include "hw/boards.h" #include "hw/irq.h" #include "qemu/log.h" +#include "sdei.h" =20 const KVMCapabilityInfo kvm_arch_required_capabilities[] =3D { KVM_CAP_LAST_INFO @@ -676,6 +677,19 @@ MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kv= m_run *run) } =20 =20 +static void kvm_arm_handle_hypercall(CPUState *cs, struct kvm_run *run) +{ + uint32_t func_id =3D run->hypercall.args[0]; + + if (sdei_enabled && + func_id >=3D SDEI_1_0_FN_BASE && func_id <=3D SDEI_MAX_REQ) { + sdei_handle_request(cs, run); + return; + } + + run->hypercall.args[0] =3D -1; +} + int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) { int ret =3D 0; @@ -686,6 +700,9 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run= *run) ret =3D EXCP_DEBUG; } /* otherwise return to guest */ break; + case KVM_EXIT_HYPERCALL: + kvm_arm_handle_hypercall(cs, run); + break; default: qemu_log_mask(LOG_UNIMP, "%s: un-handled exit reason %d\n", __func__, run->exit_reason); --=20 2.19.1