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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 7DB77C76196 for ; Tue, 4 Apr 2023 01:42:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 49DC810E2B7; Tue, 4 Apr 2023 01:42:32 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2C91F10E2B7 for ; Tue, 4 Apr 2023 01:42:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1680572551; x=1712108551; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=if5IpnrcRjrzwhUS8Fjh5WFoJtO43vhStE6lKcnBmU8=; b=D+K62Z0C033byRp9obp376yqGifNM+Jv6QJV1GNQSxm9uWty9emD3Y/f xXy/iedDt80BNazOIk3Bq7iIvzWskPSBPbXYUfTG/8dV5blaQ7TUBYAtG ZT2Z6F0uo7Bu8PI2fAXEKkLXVsmz8/idRBEZw7HrJnuVC4TUEwkoNq0H4 K2QHcuA6sP1pc90eqRmhDsRCIyPYGwiFlB0rRntT2N2LEFi9ifj8W1LrI fmMwqs2PTBdpn5XTTnihPJPQKCEY1WdyihjLUoeAM2Y85o8Ai/SBYYIM0 e72MYxwB22A3T7URj69c0MCgrIfMl+7d6DF9LBMCPL7KhrXmRRsjRwB8j g==; X-IronPort-AV: E=McAfee;i="6600,9927,10669"; a="322456416" X-IronPort-AV: E=Sophos;i="5.98,316,1673942400"; d="scan'208";a="322456416" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2023 18:42:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10669"; a="755470821" X-IronPort-AV: E=Sophos;i="5.98,316,1673942400"; d="scan'208";a="755470821" Received: from lstrano-desk.jf.intel.com ([10.24.89.184]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2023 18:42:30 -0700 From: Matthew Brost To: Date: Mon, 3 Apr 2023 18:42:21 -0700 Message-Id: <20230404014228.3738347-2-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230404014228.3738347-1-matthew.brost@intel.com> References: <20230404014228.3738347-1-matthew.brost@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Intel-xe] [PATCH v5 1/8] maple_tree: split up MA_STATE() macro X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Danilo Krummrich Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" From: Danilo Krummrich Split up the MA_STATE() macro such that components using the maple tree can easily inherit from struct ma_state and build custom tree walk macros to hide their internals from users. Example: struct sample_iterator { struct ma_state mas; struct sample_mgr *mgr; }; \#define SAMPLE_ITERATOR(name, __mgr, start) \ struct sample_iterator name = { \ .mas = MA_STATE_INIT(&(__mgr)->mt, start, 0), \ .mgr = __mgr, \ } \#define sample_iter_for_each_range(it__, entry__, end__) \ mas_for_each(&(it__).mas, entry__, end__) -- struct sample *sample; SAMPLE_ITERATOR(si, min); sample_iter_for_each_range(&si, sample, max) { frob(mgr, sample); } Signed-off-by: Danilo Krummrich --- include/linux/maple_tree.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/include/linux/maple_tree.h b/include/linux/maple_tree.h index 1fadb5f5978b..87d55334f1c2 100644 --- a/include/linux/maple_tree.h +++ b/include/linux/maple_tree.h @@ -423,8 +423,8 @@ struct ma_wr_state { #define MA_ERROR(err) \ ((struct maple_enode *)(((unsigned long)err << 2) | 2UL)) -#define MA_STATE(name, mt, first, end) \ - struct ma_state name = { \ +#define MA_STATE_INIT(mt, first, end) \ + { \ .tree = mt, \ .index = first, \ .last = end, \ @@ -435,6 +435,9 @@ struct ma_wr_state { .mas_flags = 0, \ } +#define MA_STATE(name, mt, first, end) \ + struct ma_state name = MA_STATE_INIT(mt, first, end) + #define MA_WR_STATE(name, ma_state, wr_entry) \ struct ma_wr_state name = { \ .mas = ma_state, \ -- 2.34.1