From nobody Sat Nov 23 22:30:23 2024 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=1730788679; cv=none; d=zohomail.com; s=zohoarc; b=aEvSDpKaHbeCH3fd5HgqL2+91PSaJo7jQh+MLLA8rzsIcOENwk2pwZtFvis2iRXYW+UzF4+4Z1u+RH1nzz1M5YF/xtxBmAtiwSumDDLp9N9SUIS/6XO3Vwc74CS+QGJaE4k/AmgXPHcgC6Agj2wqLOGOULc09ZsXD2rsQB2FTlg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1730788679; h=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:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=+R82oBwXGsUa00QI70KfZxcna2RBmCVUU7BDCB6ecX0=; b=XHYna+Fr0vdY51wMv7FED8yrf0ifG2x+zy7t1NpKYudNyE0PDyW/dmPJD/m5tvA0gimCJxwB9/p0Auz7NMWzNLKDfiumDVqc5T+HnjcEx2QUuiFRKI/fIuYvyB/G3YlZfM/CjieXvMNcLRPcWpXuJ8gt2KoyPoxVmBqPFxUFSPE= 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 1730788679173955.2614879963268; Mon, 4 Nov 2024 22:37:59 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t8DBP-0004T6-HM; Tue, 05 Nov 2024 01:36:55 -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 1t8DBO-0004Sk-5i for qemu-devel@nongnu.org; Tue, 05 Nov 2024 01:36:54 -0500 Received: from mgamail.intel.com ([198.175.65.18]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t8DBM-0001qk-Jf for qemu-devel@nongnu.org; Tue, 05 Nov 2024 01:36:53 -0500 Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2024 22:36:51 -0800 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa009.fm.intel.com with ESMTP; 04 Nov 2024 22:36:47 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730788613; x=1762324613; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=A6C88ZryYnZ5BmBKN8njc0C6s0vxQGqEOftEOyDrLG0=; b=eM5fV5Resi++m5THlBN8K+yJH3DJIR8AY9CanMVhpG4g9wO3BE7kfhT3 IIAX33PaQJqknisSmTonM4KuqzzL50T9maFPkOO4NvXoZ6gkYZQbegV92 ilm6WbLY2jGrO2zMAK86k4H9d6wi87n/B4915nuHFHb/Ax5D2ReQ/bOyV stAi84Yp0UHIPEIY6YBA8KNgzYbAgbScuDWr2MtKOiVdYVQzWcTfUqd9r j8k4ousGLO4GzdzKW99Yxhqv65I0S2gG0MCnXtcNNnvWxAjaa2zJA4zt7 g2jMI1HaBnnou2OD8fn90IHVWIC7nE2HFqGSZAOOgBdZVIoxjXINs2j+D g==; X-CSE-ConnectionGUID: 8gBahJBdQP6rKQEd0veI3w== X-CSE-MsgGUID: ny2wMlY1Q3W1fKAnrKF0bA== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="30689318" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="30689318" X-CSE-ConnectionGUID: W+heuwoAQZOjmJ+rdV79Pw== X-CSE-MsgGUID: sN9Xd87dRTyBfJlJhz4auA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,259,1725346800"; d="scan'208";a="83988636" From: Xiaoyao Li To: Paolo Bonzini , Riku Voipio , Richard Henderson , Zhao Liu , "Michael S. Tsirkin" , Marcel Apfelbaum , Igor Mammedov , Ani Sinha Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Yanan Wang , Cornelia Huck , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti , rick.p.edgecombe@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, xiaoyao.li@intel.com Subject: [PATCH v6 07/60] kvm: Introduce kvm_arch_pre_create_vcpu() Date: Tue, 5 Nov 2024 01:23:15 -0500 Message-Id: <20241105062408.3533704-8-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105062408.3533704-1-xiaoyao.li@intel.com> References: <20241105062408.3533704-1-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=198.175.65.18; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -39 X-Spam_score: -4.0 X-Spam_bar: ---- X-Spam_report: (-4.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.34, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.781, RCVD_IN_DNSWL_MED=-2.3, 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-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1730788681353116600 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 --- Changes in v3: - pass @errp to kvm_arch_pre_create_vcpu(); (Per Daniel) --- accel/kvm/kvm-all.c | 10 ++++++++++ include/sysemu/kvm.h | 1 + 2 files changed, 11 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 930a5bfed58f..1732fa1adecd 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -523,6 +523,11 @@ void kvm_destroy_vcpu(CPUState *cpu) } } =20 +int __attribute__ ((weak)) kvm_arch_pre_create_vcpu(CPUState *cpu, Error *= *errp) +{ + return 0; +} + int kvm_init_vcpu(CPUState *cpu, Error **errp) { KVMState *s =3D kvm_state; @@ -531,6 +536,11 @@ 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, errp); + if (ret < 0) { + goto err; + } + ret =3D kvm_create_vcpu(cpu); if (ret < 0) { error_setg_errno(errp, -ret, diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index c3a60b28909a..643ca4950543 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -374,6 +374,7 @@ int kvm_arch_get_default_type(MachineState *ms); =20 int kvm_arch_init(MachineState *ms, KVMState *s); =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp); int kvm_arch_init_vcpu(CPUState *cpu); int kvm_arch_destroy_vcpu(CPUState *cpu); =20 --=20 2.34.1