From patchwork Fri Aug 18 09:49:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13357593 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 898CEC001DE for ; Fri, 18 Aug 2023 09:56:05 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qWwBp-0003vP-Go; Fri, 18 Aug 2023 05:54:45 -0400 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 1qWwBn-0003v9-Kb for qemu-devel@nongnu.org; Fri, 18 Aug 2023 05:54:43 -0400 Received: from mgamail.intel.com ([192.55.52.120]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qWwBl-0007V6-E6 for qemu-devel@nongnu.org; Fri, 18 Aug 2023 05:54:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692352481; x=1723888481; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=h73zyzASLNvlG9AYCYMj6vv1Gc8rlR2ijy1Q2NU2HtU=; b=XWVbqKGh14b1HYPiTA216A99T3WOjF6Uouznbgybs632MLlqQJdEUs5a ZPY7irwmH/tl8dSQvfecSnczvVWvHd3JWTIqHOLvjDq8fwpBKflfr3aHH Dpfayi65B1S3Oi6nEcumstJEiWo5ysQej87V9YsZtE430cZDdbNXXF+Ms ga3Znz1rW8fglzk3wr2nwO4FKeHOit37LkIQMCXRwrlu3TjypRdohIUqp urmg6t1iFkG5cK559ZKD7N5uFCH7yGuPHw9zJi/jdlKrGCfKs/0S0gLx9 knmHwYX7R8h5EZIisvFzCvBDNRUvWbYj17UnQsteOntRh5S5fJ2XnOq0H w==; X-IronPort-AV: E=McAfee;i="6600,9927,10805"; a="371965562" X-IronPort-AV: E=Sophos;i="6.01,182,1684825200"; d="scan'208";a="371965562" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2023 02:54:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10805"; a="849234794" X-IronPort-AV: E=Sophos;i="6.01,182,1684825200"; d="scan'208";a="849234794" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.46]) by fmsmga002.fm.intel.com with ESMTP; 18 Aug 2023 02:54:35 -0700 From: Xiaoyao Li To: Paolo Bonzini , Richard Henderson , "Michael S. Tsirkin" , Marcel Apfelbaum , Igor Mammedov , Ani Sinha , Peter Xu , David Hildenbrand , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?Dani?= =?utf-8?q?el_P=2E_Berrang=C3=A9?= , Cornelia Huck , Eric Blake , Markus Armbruster , Marcelo Tosatti , Gerd Hoffmann Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Eduardo Habkost , Laszlo Ersek , xiaoyao.li@intel.com, Isaku Yamahata , erdemaktas@google.com, Chenyi Qiang Subject: [PATCH v2 03/58] target/i386: Parse TDX vm type Date: Fri, 18 Aug 2023 05:49:46 -0400 Message-Id: <20230818095041.1973309-4-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230818095041.1973309-1-xiaoyao.li@intel.com> References: <20230818095041.1973309-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.55.52.120; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.021, 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=0.001, RCVD_IN_DNSWL_MED=-2.3, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org TDX VM requires VM type KVM_X86_TDX_VM to be passed to kvm_ioctl(KVM_CREATE_VM). If tdx-guest object is specified to confidential-guest-support, like, qemu -machine ...,confidential-guest-support=tdx0 \ -object tdx-guest,id=tdx0,... it parses VM type as KVM_X86_TDX_VM. Signed-off-by: Xiaoyao Li --- target/i386/kvm/kvm.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 62f237068a3a..77f4772afe6c 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -32,6 +32,7 @@ #include "sysemu/runstate.h" #include "kvm_i386.h" #include "sev.h" +#include "tdx.h" #include "xen-emu.h" #include "hyperv.h" #include "hyperv-proto.h" @@ -158,6 +159,7 @@ static int kvm_get_one_msr(X86CPU *cpu, int index, uint64_t *value); static const char* vm_type_name[] = { [KVM_X86_DEFAULT_VM] = "default", [KVM_X86_SW_PROTECTED_VM] = "sw-protected-vm", + [KVM_X86_TDX_VM] = "tdx", }; int kvm_get_vm_type(MachineState *ms, const char *vm_type) @@ -170,12 +172,18 @@ int kvm_get_vm_type(MachineState *ms, const char *vm_type) kvm_type = KVM_X86_DEFAULT_VM; } else if (!g_ascii_strcasecmp(vm_type, "sw-protected-vm")) { kvm_type = KVM_X86_SW_PROTECTED_VM; - } else { + } else if (!g_ascii_strcasecmp(vm_type, "tdx")) { + kvm_type = KVM_X86_TDX_VM; + }else { error_report("Unknown kvm-type specified '%s'", vm_type); exit(1); } } + if (ms->cgs && object_dynamic_cast(OBJECT(ms->cgs), TYPE_TDX_GUEST)) { + kvm_type = KVM_X86_TDX_VM; + } + /* * old KVM doesn't support KVM_CAP_VM_TYPES and KVM_X86_DEFAULT_VM * is always supported