From nobody Tue Feb 10 15:45:12 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.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=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1659428237; cv=none; d=zohomail.com; s=zohoarc; b=WyL8axpSt+pnB8otL8RSSStE6MT/AlJMSxuGwR9QfvOFKxhGn2uy+MCXdsFehapOT2pvjcUENgoKp8BmLYE5xbkI0tvDIDFdwTtqhODlK+3PlwNCgjiQdq+BBwTqpUZrUitjdBofkB6AkeNaQU+diNrwpFL+ZtiaoX2rNEiO5xs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1659428237; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=N2br+rQq2tRcESTSuUZ4ji6tPmulGv0l+R+LzwxIrhU=; b=Xn3uEFdKcdaqeTEghdF6FJzEtPqf5cpMrJs77Zt/v7da7wtzEOUW3UeV6YRgIGkfVMC5v2yxrr8PndcbU4cryJk+ZddPpwDFUTBsmGMBSYwIZSillX73BSHYFA/96VRCBR9D3KJBzmamaV7D5c4EaFYBVRo8g3UoM3XrSK2pn0k= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.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 1659428237539207.87649537414597; Tue, 2 Aug 2022 01:17:17 -0700 (PDT) Received: from localhost ([::1]:39346 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oIn5Y-0001e3-8S for importer@patchew.org; Tue, 02 Aug 2022 04:17:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57818) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIme6-0004ui-My for qemu-devel@nongnu.org; Tue, 02 Aug 2022 03:48:55 -0400 Received: from mga11.intel.com ([192.55.52.93]:8325) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIme4-0005nR-Tw for qemu-devel@nongnu.org; Tue, 02 Aug 2022 03:48:54 -0400 Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Aug 2022 00:48:51 -0700 Received: from lxy-dell.sh.intel.com ([10.239.48.38]) by orsmga008.jf.intel.com with ESMTP; 02 Aug 2022 00:48:47 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659426532; x=1690962532; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=kmhWA69w57LCg7xUja5FWRS3kSMpraOl87sSRBpPySg=; b=LnQE64ulDA+XsEhIBmfCN7xVgKgfDywsaJ+gZq/de5JOHRjgpiRWMg95 SXrYqTbn2fJ3iGXeKUPR9yitlR32C/y4HJW9DH2dbC765LWcoXsxGC/Y3 X1ocRvPtcOpcBO3a83zQE9190UpFVtNMSx/9+NMMTaOGZryU51XnkAnbk +UNm8SiT2z/5EJRkEewIUW27QZlmwjrB2USklNeJ2pKIeVfOu99Itqqfi eFMI5q8UAmESKxEAqhxdnOw31k1higPHlNuDyx28MCQkPgWRKvE1kgDsT qKVyZv2XDKn8cASfjlWdTy/18OZLovf2GBv4eFllaVEdkPhcTKgpNkDd9 Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10426"; a="286908569" X-IronPort-AV: E=Sophos;i="5.93,210,1654585200"; d="scan'208";a="286908569" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,210,1654585200"; d="scan'208";a="630603974" From: Xiaoyao Li To: Paolo Bonzini , Isaku Yamahata , Gerd Hoffmann , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , "Michael S . Tsirkin" , Marcel Apfelbaum , Cornelia Huck , Marcelo Tosatti , Laszlo Ersek , Eric Blake Cc: Connor Kuehl , erdemaktas@google.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, seanjc@google.com, xiaoyao.li@intel.com Subject: [PATCH v1 13/40] KVM: Introduce kvm_arch_pre_create_vcpu() Date: Tue, 2 Aug 2022 15:47:23 +0800 Message-Id: <20220802074750.2581308-14-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220802074750.2581308-1-xiaoyao.li@intel.com> References: <20220802074750.2581308-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=192.55.52.93; envelope-from=xiaoyao.li@intel.com; helo=mga11.intel.com X-Spam_score_int: -51 X-Spam_score: -5.2 X-Spam_bar: ----- X-Spam_report: (-5.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.998, HK_RANDOM_FROM=0.998, RCVD_IN_DNSWL_HI=-5, 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1659428238387100001 Content-Type: text/plain; charset="utf-8" Introduce kvm_arch_pre_create_vcpu(), to perform arch-dependent work prior to create any vcpu. This is for i386 TDX because it needs call TDX_INIT_VM before creating any vcpu. Signed-off-by: Xiaoyao Li Acked-by: Gerd Hoffmann --- accel/kvm/kvm-all.c | 12 ++++++++++++ include/sysemu/kvm.h | 1 + 2 files changed, 13 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 46e609570ce1..c26d602f5476 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -460,6 +460,11 @@ static int kvm_get_vcpu(KVMState *s, unsigned long vcp= u_id) return kvm_vm_ioctl(s, KVM_CREATE_VCPU, (void *)vcpu_id); } =20 +int __attribute__ ((weak)) kvm_arch_pre_create_vcpu(CPUState *cpu) +{ + return 0; +} + int kvm_init_vcpu(CPUState *cpu, Error **errp) { KVMState *s =3D kvm_state; @@ -468,6 +473,13 @@ int kvm_init_vcpu(CPUState *cpu, Error **errp) =20 trace_kvm_init_vcpu(cpu->cpu_index, kvm_arch_vcpu_id(cpu)); =20 + ret =3D kvm_arch_pre_create_vcpu(cpu); + if (ret < 0) { + error_setg_errno(errp, -ret, + "kvm_init_vcpu: kvm_arch_pre_create_vcpu() failed= "); + goto err; + } + ret =3D kvm_get_vcpu(s, kvm_arch_vcpu_id(cpu)); if (ret < 0) { error_setg_errno(errp, -ret, "kvm_init_vcpu: kvm_get_vcpu failed (= %lu)", diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index efd6dee818f2..e3159e1e711d 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -373,6 +373,7 @@ int kvm_arch_put_registers(CPUState *cpu, int level); =20 int kvm_arch_init(MachineState *ms, KVMState *s); =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu); int kvm_arch_init_vcpu(CPUState *cpu); int kvm_arch_destroy_vcpu(CPUState *cpu); =20 --=20 2.27.0