From patchwork Tue Sep 27 12:39:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Yan X-Patchwork-Id: 12990519 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 3A5CCC54EE9 for ; Tue, 27 Sep 2022 12:17:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231293AbiI0MRi (ORCPT ); Tue, 27 Sep 2022 08:17:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36686 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232273AbiI0MR2 (ORCPT ); Tue, 27 Sep 2022 08:17:28 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5A2369CCF9; Tue, 27 Sep 2022 05:17:27 -0700 (PDT) Received: from canpemm500004.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4McJS10MTPzWgqx; Tue, 27 Sep 2022 20:13:21 +0800 (CST) Received: from huawei.com (10.175.127.227) by canpemm500004.china.huawei.com (7.192.104.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 27 Sep 2022 20:17:25 +0800 From: Jason Yan To: , CC: , , , , , , , , Jason Yan Subject: [PATCH v5 1/8] scsi: libsas: introduce sas address comparison helpers Date: Tue, 27 Sep 2022 20:39:19 +0800 Message-ID: <20220927123926.953297-2-yanaijie@huawei.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220927123926.953297-1-yanaijie@huawei.com> References: <20220927123926.953297-1-yanaijie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.127.227] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To canpemm500004.china.huawei.com (7.192.104.92) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Sas address comparison is widely used in libsas. However they are all opencoded and to avoid the line spill over 80 columns, are mostly split into multi-lines. Introduce some helpers to prepare some refactor. Signed-off-by: Jason Yan Reviewed-by: Damien Le Moal Reviewed-by: John Garry --- drivers/scsi/libsas/sas_internal.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index 8d0ad3abc7b5..3384429b7eb0 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -111,6 +111,23 @@ static inline void sas_smp_host_handler(struct bsg_job *job, } #endif +static inline bool sas_phy_match_dev_addr(struct domain_device *dev, + struct ex_phy *phy) +{ + return SAS_ADDR(dev->sas_addr) == SAS_ADDR(phy->attached_sas_addr); +} + +static inline bool sas_phy_match_port_addr(struct asd_sas_port *port, + struct ex_phy *phy) +{ + return SAS_ADDR(port->sas_addr) == SAS_ADDR(phy->attached_sas_addr); +} + +static inline bool sas_phy_addr_match(struct ex_phy *p1, struct ex_phy *p2) +{ + return SAS_ADDR(p1->attached_sas_addr) == SAS_ADDR(p2->attached_sas_addr); +} + static inline void sas_fail_probe(struct domain_device *dev, const char *func, int err) { pr_warn("%s: for %s device %016llx returned %d\n",