Message ID | 20240125032328.2522472-17-xiaoyao.li@intel.com |
---|---|
State | New |
Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=Y8+o9eYB; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TL5sY5fJkz23gC for <incoming@patchwork.ozlabs.org>; Thu, 25 Jan 2024 14:29:21 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces@nongnu.org>) id 1rSqQ2-0003d5-BA; Wed, 24 Jan 2024 22:28:46 -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 <xiaoyao.li@intel.com>) id 1rSqQ0-0003Qx-BZ for qemu-devel@nongnu.org; Wed, 24 Jan 2024 22:28:44 -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 <xiaoyao.li@intel.com>) id 1rSqPy-0001Dy-CY for qemu-devel@nongnu.org; Wed, 24 Jan 2024 22:28:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706153322; x=1737689322; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JSQZf9fpW+EfTuHXiZKh9ow2uMXtChqYfdgZMLqBnzA=; b=Y8+o9eYBxeTHNanMy32j/JLc6JG9VdS2IYj/z14H7wMi7MePs6Bd1YYb Awv8hUXG9RU8xKsXcP4OaAwqi9LmVdK+Ki1qU8jBeHIdvujcA81kVAB0P QHIct50oTZKPG/LX+JDb530uRpZg4kQx4QmDCWr/1zzCq5+ZAMGAp8deL jhOzNUzKJU3m/xA0p2+sSTlDJQcSTZq3+G63uUpveg5ZDc/+vTJbmCgxs 3Yv0B4xGnHGwYbGhkrPt/sjMy8Ivfa88aV4pWBrG3zXwoopB0zlGqVvMt ymenors/ldz98RgDBRS8tAjxebTb4ArrwOTFT2t/Uw30N5nEtIzGKjbHU A==; X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="9428381" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="9428381" 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 19:25:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="2085086" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by orviesa005.jf.intel.com with ESMTP; 24 Jan 2024 19:25:00 -0800 From: Xiaoyao Li <xiaoyao.li@intel.com> To: Paolo Bonzini <pbonzini@redhat.com>, David Hildenbrand <david@redhat.com>, Igor Mammedov <imammedo@redhat.com>, "Michael S . Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Richard Henderson <richard.henderson@linaro.org>, Peter Xu <peterx@redhat.com>, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>, Cornelia Huck <cohuck@redhat.com>, =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= <berrange@redhat.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com> Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, xiaoyao.li@intel.com, Michael Roth <michael.roth@amd.com>, Sean Christopherson <seanjc@google.com>, Claudio Fontana <cfontana@suse.de>, Gerd Hoffmann <kraxel@redhat.com>, Isaku Yamahata <isaku.yamahata@gmail.com>, Chenyi Qiang <chenyi.qiang@intel.com> Subject: [PATCH v4 16/66] i386/tdx: Introduce is_tdx_vm() helper and cache tdx_guest object Date: Wed, 24 Jan 2024 22:22:38 -0500 Message-Id: <20240125032328.2522472-17-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 Content-Transfer-Encoding: 8bit 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: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org |
Series |
QEMU Guest memfd + QEMU TDX support
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expand
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diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index ad76abd58373..3c59b3b45419 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -21,8 +21,16 @@ #include "kvm_i386.h" #include "tdx.h" +static TdxGuest *tdx_guest; + static struct kvm_tdx_capabilities *tdx_caps; +/* It's valid after kvm_confidential_guest_init()->kvm_tdx_init() */ +bool is_tdx_vm(void) +{ + return !!tdx_guest; +} + enum tdx_ioctl_level{ TDX_VM_IOCTL, TDX_VCPU_IOCTL, @@ -103,15 +111,20 @@ static int get_tdx_capabilities(Error **errp) int tdx_kvm_init(MachineState *ms, Error **errp) { + TdxGuest *tdx = TDX_GUEST(OBJECT(ms->cgs)); int r = 0; ms->require_guest_memfd = true; if (!tdx_caps) { r = get_tdx_capabilities(errp); + if (r) { + return r; + } } - return r; + tdx_guest = tdx; + return 0; } /* tdx guest */ diff --git a/target/i386/kvm/tdx.h b/target/i386/kvm/tdx.h index c8a23d95258d..4036ca2f3f99 100644 --- a/target/i386/kvm/tdx.h +++ b/target/i386/kvm/tdx.h @@ -1,6 +1,10 @@ #ifndef QEMU_I386_TDX_H #define QEMU_I386_TDX_H +#ifndef CONFIG_USER_ONLY +#include CONFIG_DEVICES /* CONFIG_TDX */ +#endif + #include "exec/confidential-guest-support.h" #define TYPE_TDX_GUEST "tdx-guest" @@ -16,6 +20,12 @@ typedef struct TdxGuest { uint64_t attributes; /* TD attributes */ } TdxGuest; +#ifdef CONFIG_TDX +bool is_tdx_vm(void); +#else +#define is_tdx_vm() 0 +#endif /* CONFIG_TDX */ + int tdx_kvm_init(MachineState *ms, Error **errp); #endif /* QEMU_I386_TDX_H */