From patchwork Thu Aug 29 18:13:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 13783535 X-Patchwork-Delegate: brendanhiggins@google.com Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 4AD9A1B5EC8 for ; Thu, 29 Aug 2024 18:14:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724955244; cv=none; b=anvM9dzpuLjgUOONiBJHfUT2DG+II4ahUGl3WFgEsur9YsvjTkL90Ga5SoyfjSDT1pQyYgR2sPzXNr1vXmaZweMZOzCnK3fJ4Bmo0UpaKQo1CjojKHuADyGEiYgQe1oBnDCgBOKLPmXIdLMp2LEcbemE5ZWDHNwBxkoy/rSfDWo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724955244; c=relaxed/simple; bh=YKnkV684Szy48IHSUnldBzj/JFtnEHMA6jrXEj4Ev9U=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=kc9gqC+SM3/Wc/cgMsWR5Zdy/JoGfcGrCXPBvaGWeh72NLjN1i73fzg+OVnN2+it3DCzX7ToAH0ADOtp20zYOVa2xLTomkdqZQbeTnXErVuQSaNkizUOb8TXu6cgDtRUBV88/DxGwpOV3eRzC8DPY7H4cLaYSEtXmO5GRfV++L8= 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=H0ix+Unn; arc=none smtp.client-ip=192.198.163.9 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="H0ix+Unn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724955243; x=1756491243; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=YKnkV684Szy48IHSUnldBzj/JFtnEHMA6jrXEj4Ev9U=; b=H0ix+Unn3kkNOXe38Ppq2k1Z5IXV3i6EDUz11xRWW7KOvChIMMy1mQMB sTA8w1z6RgrrG1Tqjw4evtW2WkPygbcvpizpfNS+Rp1C9swlb54RQxtHa 81kFr8wtHD5jdO+EcbYjY4TNGPOm0N5wt24SLnNPjUYJKrFxIDqNXFj/k 9kpuygXvdv8So2VhkIs7niVBIc0zA7i/N5fGpeLi2n2SOzKVP2Qs/6gVN 8jCv0AHC644OyAoy2bWuXcN0ebtVT7GuIIbWTi/CAp2GQW5mkBrWsqKAo pHbI1i03JeumZhhp96v8Fjauojqaz4Buz/PgA4lhwDX85/qc1KaYo994q A==; X-CSE-ConnectionGUID: tFnXAgw6SSSk13UAi6qxgg== X-CSE-MsgGUID: kdaxaA9rQfCtkC7q+mirwA== X-IronPort-AV: E=McAfee;i="6700,10204,11179"; a="34238435" X-IronPort-AV: E=Sophos;i="6.10,186,1719903600"; d="scan'208";a="34238435" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Aug 2024 11:14:03 -0700 X-CSE-ConnectionGUID: /EgrKxqvRKCYhcc/XmWGZQ== X-CSE-MsgGUID: LG5Db8MzSFCwOVOaSlJu4g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,186,1719903600"; d="scan'208";a="63353227" Received: from mwajdecz-mobl.ger.corp.intel.com ([10.245.120.199]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Aug 2024 11:14:01 -0700 From: Michal Wajdeczko To: linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com Cc: Michal Wajdeczko , Rae Moar , David Gow , Lucas De Marchi Subject: [PATCH v3 2/6] kunit: Add macro to conditionally expose declarations to tests Date: Thu, 29 Aug 2024 20:13:44 +0200 Message-Id: <20240829181348.1572-3-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20240829181348.1572-1-michal.wajdeczko@intel.com> References: <20240829181348.1572-1-michal.wajdeczko@intel.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The DECLARE_IF_KUNIT macro will introduces identifiers only if CONFIG_KUNIT is enabled. Otherwise if CONFIG_KUNIT is not enabled no identifiers from the param list will be defined. Signed-off-by: Michal Wajdeczko Reviewed-by: Rae Moar Reviewed-by: David Gow --- Cc: Lucas De Marchi --- v2: include struct example in macro comment (Lucas) reformat kernel-doc for better output (Michal) --- include/kunit/visibility.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/kunit/visibility.h b/include/kunit/visibility.h index 0dfe35feeec6..c1825381adfc 100644 --- a/include/kunit/visibility.h +++ b/include/kunit/visibility.h @@ -11,6 +11,25 @@ #define _KUNIT_VISIBILITY_H #if IS_ENABLED(CONFIG_KUNIT) + /** + * DECLARE_IF_KUNIT - Conditionally introduce identifiers + * @body: identifiers to be introduced conditionally + * + * This macro introduces identifiers only if CONFIG_KUNIT is enabled. + * Otherwise if CONFIG_KUNIT is not enabled no identifiers will be defined. + * + * .. code-block:: C + * + * struct example { + * // @foo: regular data + * int foo; + * + * // private: data available only for CONFIG_KUNIT + * DECLARE_IF_KUNIT(int bar); + * }; + */ + #define DECLARE_IF_KUNIT(body...) body + /** * VISIBLE_IF_KUNIT - A macro that sets symbols to be static if * CONFIG_KUNIT is not enabled. Otherwise if CONFIG_KUNIT is enabled @@ -26,6 +45,7 @@ #define EXPORT_SYMBOL_IF_KUNIT(symbol) EXPORT_SYMBOL_NS(symbol, \ EXPORTED_FOR_KUNIT_TESTING) #else + #define DECLARE_IF_KUNIT(body...) #define VISIBLE_IF_KUNIT static #define EXPORT_SYMBOL_IF_KUNIT(symbol) #endif