From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20BB3C6FA99 for ; Sun, 12 Mar 2023 17:58:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230461AbjCLR6g (ORCPT ); Sun, 12 Mar 2023 13:58:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34664 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230301AbjCLR56 (ORCPT ); Sun, 12 Mar 2023 13:57:58 -0400 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1F1F526B; Sun, 12 Mar 2023 10:57:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1678643876; x=1710179876; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=09ex/GWFgm/e3kqVrQ9ERgn2H38TVnuMLzJQ3ZuE9Tg=; b=L4Urig+hLXwnj0CQJMuVUeffiel4nWDFJ+LYE0GOi6nRYSuMv1NsnRcv sREY2GuaILaNF/UMl/ABfD5wZPlq1IeA4cfRC0T3kwlGv2MxBQsIIF2Gu 3O+susqMvCjUFYctReaGlGjYNyecl6JiTA5PyOT60leTscqc3PU9SbM81 8VnnpuFFth6hRC0USS9I47NXTJCEeKYpum1+LYZhkDWbDJh0OeS6QEITQ Au6zQda2D2xY9MzobUXy1qk/TDx/h51TaqxNOei4xs4kFtadbUuBr4bke vG+dYEZ1xZWVbfA/bNgpybIwDDOpJmZtJ1FzMsZOkJ/O7xTY61WK+1qlT g==; X-IronPort-AV: E=McAfee;i="6500,9779,10647"; a="320863578" X-IronPort-AV: E=Sophos;i="5.98,254,1673942400"; d="scan'208";a="320863578" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2023 10:57:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10647"; a="628396933" X-IronPort-AV: E=Sophos;i="5.98,254,1673942400"; d="scan'208";a="628396933" Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2023 10:57:50 -0700 From: isaku.yamahata@intel.com To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com, Paolo Bonzini , erdemaktas@google.com, Sean Christopherson , Sagi Shahar , David Matlack , Kai Huang , Zhi Wang , Sean Christopherson Subject: [PATCH v13 010/113] KVM: TDX: Add TDX "architectural" error codes Date: Sun, 12 Mar 2023 10:55:34 -0700 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sean Christopherson Add error codes for the TDX SEAMCALLs both for TDX VMM side for TDH SEAMCALL and TDX guest side for TDG.VP.VMCALL. KVM issues the TDX SEAMCALLs and checks its error code. KVM handles hypercall from the TDX guest and may return an error. So error code for the TDX guest is also needed. TDX SEAMCALL uses bits 31:0 to return more information, so these error codes will only exactly match RAX[63:32]. Error codes for TDG.VP.VMCALL is defined by TDX Guest-Host-Communication interface spec. Signed-off-by: Sean Christopherson Signed-off-by: Isaku Yamahata Reviewed-by: Paolo Bonzini --- arch/x86/kvm/vmx/tdx_errno.h | 38 ++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 arch/x86/kvm/vmx/tdx_errno.h diff --git a/arch/x86/kvm/vmx/tdx_errno.h b/arch/x86/kvm/vmx/tdx_errno.h new file mode 100644 index 000000000000..389b1b53da25 --- /dev/null +++ b/arch/x86/kvm/vmx/tdx_errno.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* architectural status code for SEAMCALL */ + +#ifndef __KVM_X86_TDX_ERRNO_H +#define __KVM_X86_TDX_ERRNO_H + +#define TDX_SEAMCALL_STATUS_MASK 0xFFFFFFFF00000000ULL + +/* + * TDX SEAMCALL Status Codes (returned in RAX) + */ +#define TDX_SUCCESS 0x0000000000000000ULL +#define TDX_NON_RECOVERABLE_VCPU 0x4000000100000000ULL +#define TDX_INTERRUPTED_RESUMABLE 0x8000000300000000ULL +#define TDX_OPERAND_BUSY 0x8000020000000000ULL +#define TDX_VCPU_NOT_ASSOCIATED 0x8000070200000000ULL +#define TDX_KEY_GENERATION_FAILED 0x8000080000000000ULL +#define TDX_KEY_STATE_INCORRECT 0xC000081100000000ULL +#define TDX_KEY_CONFIGURED 0x0000081500000000ULL +#define TDX_NO_HKID_READY_TO_WBCACHE 0x0000082100000000ULL +#define TDX_EPT_WALK_FAILED 0xC0000B0000000000ULL + +/* + * TDG.VP.VMCALL Status Codes (returned in R10) + */ +#define TDG_VP_VMCALL_SUCCESS 0x0000000000000000ULL +#define TDG_VP_VMCALL_RETRY 0x0000000000000001ULL +#define TDG_VP_VMCALL_INVALID_OPERAND 0x8000000000000000ULL +#define TDG_VP_VMCALL_TDREPORT_FAILED 0x8000000000000001ULL + +/* + * TDX module operand ID, appears in 31:0 part of error code as + * detail information + */ +#define TDX_OPERAND_ID_RCX 0x01 +#define TDX_OPERAND_ID_SEPT 0x92 + +#endif /* __KVM_X86_TDX_ERRNO_H */ -- 2.25.1