From nobody Tue Feb 10 06:48:58 2026 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8EAB1235BFB for ; Wed, 26 Feb 2025 18:15:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740593735; cv=none; b=uX6xqzXozyf5ibTJ6+Bqd4lKwxEoWqKRrOSL7XrG3i6sEgwppGHchvS53e4hIjNNOJtELsLryQJRGueFmtpa+QwklfI63Y1xMpx3+MPJ8TFTRfuZwMifPmirj1TRpe29pGBX72NObIVB9nOzFmu2/6gruZW1K6C7p78YR++Vc74= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740593735; c=relaxed/simple; bh=NOrvwXqR5tV+W7LxV0x2ybvsuMk244ehyvtkjrZV+Dw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ghsO6V5pb6/qB5i38ei6XfnvvR5QuO6lNX9IaBVNnvDKl0NEW2BpYQWUp7LLoXFnrv9vB828x1Gg0OxMDO9CBL/OuIXLf7dL9QEG1fVbtvPGiDtpxZ09mCOmg8PS1nX9QuKA2MW61scxAJmx4zBo6r5uZ51fVSMGJ04iQ8pTE6A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=FQB3AHGS; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="FQB3AHGS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1740593732; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iq3nv4epyJpDbkhtRdpqEYBbJ+XxMFdUGfj+JfUiYew=; b=FQB3AHGS657duZ8SDweg4DTc6nbC+eV+y8yWEH7wD08v7vv2Wowm0EE+23dp62z9hA8Vkd Iera3hI0jM96DxvF2jI8oZlMh/jd+ciOVGtCECSp01S+39JIFgEEdZCMf5ahPqNm6HcmMA ELoG/N+RTtybPMuCTAl+Nz8TRuspSF8= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-395-03ljOewoNaGsqNojuGZQ4g-1; Wed, 26 Feb 2025 13:15:27 -0500 X-MC-Unique: 03ljOewoNaGsqNojuGZQ4g-1 X-Mimecast-MFC-AGG-ID: 03ljOewoNaGsqNojuGZQ4g_1740593725 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B22B3180087C; Wed, 26 Feb 2025 18:15:25 +0000 (UTC) Received: from virtlab1023.lab.eng.rdu2.redhat.com (virtlab1023.lab.eng.rdu2.redhat.com [10.8.1.187]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 607ED19560B9; Wed, 26 Feb 2025 18:15:24 +0000 (UTC) From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: seanjc@google.com, Yan Zhao , Rick Edgecombe , Isaku Yamahata , Tony Lindgren , Binbin Wu , Yuan Yao Subject: [PATCH 20/33] KVM: TDX: Add helper functions to print TDX SEAMCALL error Date: Wed, 26 Feb 2025 13:14:39 -0500 Message-ID: <20250226181453.2311849-21-pbonzini@redhat.com> In-Reply-To: <20250226181453.2311849-1-pbonzini@redhat.com> References: <20250226181453.2311849-1-pbonzini@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Content-Type: text/plain; charset="utf-8" From: Isaku Yamahata Add helper functions to print out errors from the TDX module in a uniform manner. Signed-off-by: Isaku Yamahata Co-developed-by: Tony Lindgren Signed-off-by: Tony Lindgren Signed-off-by: Rick Edgecombe Reviewed-by: Binbin Wu Reviewed-by: Yuan Yao Signed-off-by: Paolo Bonzini --- arch/x86/kvm/vmx/tdx.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/x86/kvm/vmx/tdx.c b/arch/x86/kvm/vmx/tdx.c index c319eb44d9f9..8928b27547c1 100644 --- a/arch/x86/kvm/vmx/tdx.c +++ b/arch/x86/kvm/vmx/tdx.c @@ -10,6 +10,21 @@ #undef pr_fmt #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt =20 +#define pr_tdx_error(__fn, __err) \ + pr_err_ratelimited("SEAMCALL %s failed: 0x%llx\n", #__fn, __err) + +#define __pr_tdx_error_N(__fn_str, __err, __fmt, ...) \ + pr_err_ratelimited("SEAMCALL " __fn_str " failed: 0x%llx, " __fmt, __err= , __VA_ARGS__) + +#define pr_tdx_error_1(__fn, __err, __rcx) \ + __pr_tdx_error_N(#__fn, __err, "rcx 0x%llx\n", __rcx) + +#define pr_tdx_error_2(__fn, __err, __rcx, __rdx) \ + __pr_tdx_error_N(#__fn, __err, "rcx 0x%llx, rdx 0x%llx\n", __rcx, __rdx) + +#define pr_tdx_error_3(__fn, __err, __rcx, __rdx, __r8) \ + __pr_tdx_error_N(#__fn, __err, "rcx 0x%llx, rdx 0x%llx, r8 0x%llx\n", __r= cx, __rdx, __r8) + bool enable_tdx __ro_after_init; module_param_named(tdx, enable_tdx, bool, 0444); =20 --=20 2.43.5