From nobody Fri Dec 19 17:37:37 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 15FDC266565; Mon, 19 May 2025 07:26:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747639604; cv=none; b=Gad0hUdqYiI4b6+9YtNIX4DktQn9dkpo8CLHsOhwbGbnbepdeayxHWm6qpsoYVtNO7CsBEsQIsnLi+1gnBeTE1WdFkLJ1OAOez9hUxi+zyp96gZmzDgI5GLPp5+K9/MArMG+Zl3ST89QA05oZo8Cf7uy1MjY/4CfAVspp56BrMY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747639604; c=relaxed/simple; bh=BIK0r4BaExouu0FiYPQHdUSzxmpZDIGwQoDlTSdUcRk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=I5yh0+sTRu9V/YV6I243JLatu59xhR2UIRSLodmIr5KkvxPv9WJ0VjxNV+yFbnHsqs2yPi/3RmTUDuZstdpE7xDqGd7tVhLnS+Tv3SaIEiNHQ+SABo3+BZ2DaHIrvQkGz4/B3035Gd/cTMg949tD8lQMtw4Nyam/P9To18qUmxc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=YS7x8vdz; arc=none smtp.client-ip=198.175.65.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="YS7x8vdz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747639603; x=1779175603; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BIK0r4BaExouu0FiYPQHdUSzxmpZDIGwQoDlTSdUcRk=; b=YS7x8vdz6HB2UJVT00Nux7ulz3LfK1cp+rbMZa0r24Y4ibT8NdYUoYdJ abGtSorscj/EVMZZ2OCIaR9lWTs9sEB94Ez94Kr/FViW3yBmQSXU5kZL2 FuQLZFGosYEbCnxHbUZ6YU7IO5vYTXGzXcbUglp/x8OSC2eDJx5u3xUu+ GyOaPCCtV6xTrq2857yzW0nT/PfrVISiriqZz6DSA+rJZc59QRTAT3zSd 3SZ5NXFOp+ycoEhiXuL0i+JJR3VMqzBguO+c/2v0xN6iLS0iq1FxqEfd4 3hl2Ekq8LLqGm924STkNHebXUVunePHfOppo3V496IVIUm+R2EdpyvpEP A==; X-CSE-ConnectionGUID: GKVK3hl/QjGcXN/Uuh3IxQ== X-CSE-MsgGUID: /g4l1y+aQxmJv4wg5LIltw== X-IronPort-AV: E=McAfee;i="6700,10204,11437"; a="49591605" X-IronPort-AV: E=Sophos;i="6.15,300,1739865600"; d="scan'208";a="49591605" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2025 00:26:43 -0700 X-CSE-ConnectionGUID: 5e50GbfXTOWNBTkdBmxc9Q== X-CSE-MsgGUID: 6KqnI+cqRnmh5SIQC9FQ+g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,300,1739865600"; d="scan'208";a="139029757" Received: from pgcooper-mobl3.ger.corp.intel.com (HELO eresheto-mobl3.ger.corp.intel.com) ([10.245.244.195]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2025 00:26:38 -0700 From: Elena Reshetova To: dave.hansen@intel.com Cc: jarkko@kernel.org, seanjc@google.com, kai.huang@intel.com, linux-sgx@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, asit.k.mallick@intel.com, vincent.r.scarlata@intel.com, chongc@google.com, erdemaktas@google.com, vannapurve@google.com, dionnaglaze@google.com, bondarn@google.com, scott.raynor@intel.com, Elena Reshetova Subject: [PATCH v5 3/5] x86/sgx: Define error codes for use by ENCLS[EUPDATESVN] Date: Mon, 19 May 2025 10:24:29 +0300 Message-ID: <20250519072603.328429-4-elena.reshetova@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250519072603.328429-1-elena.reshetova@intel.com> References: <20250519072603.328429-1-elena.reshetova@intel.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 Content-Type: text/plain; charset="utf-8" Add error codes for ENCLS[EUPDATESVN], then SGX CPUSVN update process can know the execution state of EUPDATESVN and notify userspace. Signed-off-by: Elena Reshetova --- arch/x86/include/asm/sgx.h | 39 +++++++++++++++++++++++--------------- 1 file changed, 24 insertions(+), 15 deletions(-) diff --git a/arch/x86/include/asm/sgx.h b/arch/x86/include/asm/sgx.h index 6a0069761508..0361a6f91359 100644 --- a/arch/x86/include/asm/sgx.h +++ b/arch/x86/include/asm/sgx.h @@ -28,21 +28,22 @@ #define SGX_CPUID_EPC_MASK GENMASK(3, 0) =20 enum sgx_encls_function { - ECREATE =3D 0x00, - EADD =3D 0x01, - EINIT =3D 0x02, - EREMOVE =3D 0x03, - EDGBRD =3D 0x04, - EDGBWR =3D 0x05, - EEXTEND =3D 0x06, - ELDU =3D 0x08, - EBLOCK =3D 0x09, - EPA =3D 0x0A, - EWB =3D 0x0B, - ETRACK =3D 0x0C, - EAUG =3D 0x0D, - EMODPR =3D 0x0E, - EMODT =3D 0x0F, + ECREATE =3D 0x00, + EADD =3D 0x01, + EINIT =3D 0x02, + EREMOVE =3D 0x03, + EDGBRD =3D 0x04, + EDGBWR =3D 0x05, + EEXTEND =3D 0x06, + ELDU =3D 0x08, + EBLOCK =3D 0x09, + EPA =3D 0x0A, + EWB =3D 0x0B, + ETRACK =3D 0x0C, + EAUG =3D 0x0D, + EMODPR =3D 0x0E, + EMODT =3D 0x0F, + EUPDATESVN =3D 0x18, }; =20 /** @@ -73,6 +74,11 @@ enum sgx_encls_function { * public key does not match IA32_SGXLEPUBKEYHASH. * %SGX_PAGE_NOT_MODIFIABLE: The EPC page cannot be modified because it * is in the PENDING or MODIFIED state. + * %SGX_INSUFFICIENT_ENTROPY: Insufficient entropy in RNG. + * %SGX_EPC_NOT_READY: EPC is not ready for SVN update. + * %SGX_NO_UPDATE: EUPDATESVN was successful, but CPUSVN was not + * updated because current SVN was not newer than + * CPUSVN. * %SGX_UNMASKED_EVENT: An unmasked event, e.g. INTR, was received */ enum sgx_return_code { @@ -81,6 +87,9 @@ enum sgx_return_code { SGX_CHILD_PRESENT =3D 13, SGX_INVALID_EINITTOKEN =3D 16, SGX_PAGE_NOT_MODIFIABLE =3D 20, + SGX_INSUFFICIENT_ENTROPY =3D 29, + SGX_EPC_NOT_READY =3D 30, + SGX_NO_UPDATE =3D 31, SGX_UNMASKED_EVENT =3D 128, }; =20 --=20 2.45.2