From patchwork Thu Jan 25 03:22:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13529924 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AEF82C47258 for ; Thu, 25 Jan 2024 03:29:45 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rSqPp-0003D9-Jp; Wed, 24 Jan 2024 22:28:33 -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 1rSqPn-00039i-Q7 for qemu-devel@nongnu.org; Wed, 24 Jan 2024 22:28:31 -0500 Received: from mgamail.intel.com ([192.198.163.10]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rSqPm-0001Dy-3U for qemu-devel@nongnu.org; Wed, 24 Jan 2024 22:28:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706153310; x=1737689310; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ak9gbkWME/+XOgFurmlCx0ZICYh/+s5jBeuIHp28kNU=; b=OCJFIBOd1plFBdFmCuO6zYum98yNxH76eo/l1RUmn9pRwbviwYdeCEIX MyRXwUuOxIy3TIpHtvdQ6qLddPf7rp2C/G3bm0M1b7Wtey5TJXTcH6fyr 626tHpI2tZ1C+1sraCEgBBROtjc8DYOrJLry1Yt0PH5IhmNSYI+tiVm7S gMk3wyMWmi8YuqMdxlXJWubEDQhOg5NTMlBTYZ1XPytAJdkZc7PUqJ5yi Qs9rjRrZW8GsNrTT/n1o3xVrT37kkzS7ijF6TTyQ9LiTREXyH8gkx0VIC wMPCVYCs6t+5LX6oJ1OJXcO3FZF0KLHKQoy63voawP7AlZpQLjUaqfVDS Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="9428253" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="9428253" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2024 19:24:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="2084911" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by orviesa005.jf.intel.com with ESMTP; 24 Jan 2024 19:24:44 -0800 From: Xiaoyao Li To: Paolo Bonzini , David Hildenbrand , Igor Mammedov , "Michael S . Tsirkin" , Marcel Apfelbaum , Richard Henderson , Peter Xu , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Cornelia Huck , =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, xiaoyao.li@intel.com, Michael Roth , Sean Christopherson , Claudio Fontana , Gerd Hoffmann , Isaku Yamahata , Chenyi Qiang Subject: [PATCH v4 13/66] target/i386: Introduce kvm_confidential_guest_init() Date: Wed, 24 Jan 2024 22:22:35 -0500 Message-Id: <20240125032328.2522472-14-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240125032328.2522472-1-xiaoyao.li@intel.com> References: <20240125032328.2522472-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.198.163.10; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.5, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.999, HK_RANDOM_FROM=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Introduce a separate function kvm_confidential_guest_init(), which dispatches specific confidential guest initialization function by ms->cgs type. Signed-off-by: Xiaoyao Li Acked-by: Gerd Hoffmann Reviewed-by: Philippe Mathieu-Daudé --- target/i386/kvm/kvm.c | 11 ++++++++++- target/i386/sev.c | 1 - target/i386/sev.h | 2 ++ 3 files changed, 12 insertions(+), 2 deletions(-) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index c961846777cc..f9a774925cf6 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -2541,6 +2541,15 @@ int kvm_arch_get_default_type(MachineState *ms) return 0; } +static int kvm_confidential_guest_init(MachineState *ms, Error **errp) +{ + if (object_dynamic_cast(OBJECT(ms->cgs), TYPE_SEV_GUEST)) { + return sev_kvm_init(ms->cgs, errp); + } + + return 0; +} + int kvm_arch_init(MachineState *ms, KVMState *s) { uint64_t identity_base = 0xfffbc000; @@ -2561,7 +2570,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) * mechanisms are supported in future (e.g. TDX), they'll need * their own initialization either here or elsewhere. */ - ret = sev_kvm_init(ms->cgs, &local_err); + ret = kvm_confidential_guest_init(ms, &local_err); if (ret < 0) { error_report_err(local_err); return ret; diff --git a/target/i386/sev.c b/target/i386/sev.c index 173de91afe7d..27d58702d6dc 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -39,7 +39,6 @@ #include "hw/i386/pc.h" #include "exec/address-spaces.h" -#define TYPE_SEV_GUEST "sev-guest" OBJECT_DECLARE_SIMPLE_TYPE(SevGuestState, SEV_GUEST) diff --git a/target/i386/sev.h b/target/i386/sev.h index e7499c95b1e8..1fe25d096dc4 100644 --- a/target/i386/sev.h +++ b/target/i386/sev.h @@ -20,6 +20,8 @@ #include "exec/confidential-guest-support.h" +#define TYPE_SEV_GUEST "sev-guest" + #define SEV_POLICY_NODBG 0x1 #define SEV_POLICY_NOKS 0x2 #define SEV_POLICY_ES 0x4