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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91096C282C7 for ; Fri, 25 Jan 2019 14:22:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 619C8218D0 for ; Fri, 25 Jan 2019 14:22:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729041AbfAYOWL (ORCPT ); Fri, 25 Jan 2019 09:22:11 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:2765 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728892AbfAYOWJ (ORCPT ); Fri, 25 Jan 2019 09:22:09 -0500 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 5B916DE4DE27FD796834; Fri, 25 Jan 2019 22:21:59 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.408.0; Fri, 25 Jan 2019 22:21:51 +0800 From: John Garry To: , CC: , , , Luo Jiaxing , "John Garry" Subject: [PATCH 03/13] scsi: hisi_sas: Add debugfs ITCT file and add file operations Date: Fri, 25 Jan 2019 22:22:29 +0800 Message-ID: <1548426159-225679-4-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1548426159-225679-1-git-send-email-john.garry@huawei.com> References: <1548426159-225679-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Luo Jiaxing This patch create debugfs file for ITCT and add file operations. Signed-off-by: Luo Jiaxing Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas_main.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 73a545a..c0aacb0 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -2773,6 +2773,36 @@ static int hisi_sas_debugfs_iost_open(struct inode *inode, struct file *filp) .owner = THIS_MODULE, }; +static int hisi_sas_debugfs_itct_show(struct seq_file *s, void *p) +{ + int i, ret; + struct hisi_hba *hisi_hba = s->private; + struct hisi_sas_itct *debugfs_itct = hisi_hba->debugfs_itct; + __le64 *itct = &debugfs_itct->qw0; + + for (i = 0; i < HISI_SAS_MAX_ITCT_ENTRIES; i++, debugfs_itct++) { + ret = hisi_sas_show_row_64(s, i, sizeof(*debugfs_itct), + itct); + if (ret) + return ret; + } + + return 0; +} + +static int hisi_sas_debugfs_itct_open(struct inode *inode, struct file *filp) +{ + return single_open(filp, hisi_sas_debugfs_itct_show, inode->i_private); +} + +static const struct file_operations hisi_sas_debugfs_itct_fops = { + .open = hisi_sas_debugfs_itct_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba) { struct dentry *dump_dentry; @@ -2819,6 +2849,9 @@ static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba) debugfs_create_file("iost", 0400, dump_dentry, hisi_hba, &hisi_sas_debugfs_iost_fops); + debugfs_create_file("itct", 0400, dump_dentry, hisi_hba, + &hisi_sas_debugfs_itct_fops); + return; } -- 1.9.1