From patchwork Tue Aug 18 12:31:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 11720687 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 606CB618 for ; Tue, 18 Aug 2020 12:33:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4164A20786 for ; Tue, 18 Aug 2020 12:33:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="MUQ0zs9v" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726653AbgHRMdS (ORCPT ); Tue, 18 Aug 2020 08:33:18 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:45564 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726391AbgHRMdR (ORCPT ); Tue, 18 Aug 2020 08:33:17 -0400 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 07ICUSfK029298 for ; Tue, 18 Aug 2020 05:33:16 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=V7VMN396qYVL5e9wX68yeNuExc11DcrPEOnW4F0ZL/w=; b=MUQ0zs9v+wNfXKElLNPM2Xm0/PrUqXTl083FaE7w+v3jzZCAeRp5bzyeBOe8zDKExUj2 vWOC8ZMVg7QpbW/fPLgXHKcdN8sb4uvL+tY+lYAV7dcPOLcx0STMNkwQ7ThBAUb/LGtx mvM6/NyMo4d53oedByJ+LT81IAiNRGyiB3EdSmM1nLE//FeAhKBlXrE17uvHbyEFKxKy PEv7Bt/KdKyEe5NOV257BinRfWk3eynO8WyHWK9ItXXB8BP/O19mBF0k2bvVj1a+8Npg V/h5ulft+LNRIXwE+pGtgdCA8FmkuRLFuHA6qDNKyi5ibgRP6DUzLGzDlNgpwONMpIi7 Zw== Received: from sc-exch01.marvell.com ([199.233.58.181]) by mx0a-0016f401.pphosted.com with ESMTP id 3304fhjefx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Tue, 18 Aug 2020 05:33:16 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 18 Aug 2020 05:33:15 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 18 Aug 2020 05:33:15 -0700 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id 877113F7045; Tue, 18 Aug 2020 05:33:15 -0700 (PDT) Received: from dut1171.mv.qlogic.com (localhost [127.0.0.1]) by dut1171.mv.qlogic.com (8.14.7/8.14.7) with ESMTP id 07ICXFM1020413; Tue, 18 Aug 2020 05:33:15 -0700 Received: (from root@localhost) by dut1171.mv.qlogic.com (8.14.7/8.14.7/Submit) id 07ICXFZD020404; Tue, 18 Aug 2020 05:33:15 -0700 From: Nilesh Javali To: CC: , Subject: [PATCH 02/12] qla2xxx: Setup debugfs entries for remote ports Date: Tue, 18 Aug 2020 05:31:53 -0700 Message-ID: <20200818123203.20361-3-njavali@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20200818123203.20361-1-njavali@marvell.com> References: <20200818123203.20361-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-08-18_07:2020-08-18,2020-08-18 signatures=0 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Arun Easi Create a base for adding remote port related entries in debugfs. Signed-off-by: Arun Easi Signed-off-by: Himanshu Madhani Signed-off-by: Saurav Kashyap Signed-off-by: Nilesh Javali --- drivers/scsi/qla2xxx/qla_def.h | 4 +++ drivers/scsi/qla2xxx/qla_dfs.c | 42 ++++++++++++++++++++++++++++++- drivers/scsi/qla2xxx/qla_gbl.h | 2 ++ drivers/scsi/qla2xxx/qla_init.c | 2 ++ drivers/scsi/qla2xxx/qla_target.c | 2 ++ 5 files changed, 51 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 1bc090d8a71b..074d8753cfc3 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2544,6 +2544,8 @@ typedef struct fc_port { u8 last_login_state; u16 n2n_link_reset_cnt; u16 n2n_chip_reset; + + struct dentry *dfs_rport_dir; } fc_port_t; enum { @@ -4780,6 +4782,8 @@ typedef struct scsi_qla_host { uint16_t ql2xexchoffld; uint16_t ql2xiniexchg; + struct dentry *dfs_rport_root; + struct purex_list { struct list_head head; spinlock_t lock; diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index e62b2115235e..3c4b9b549b17 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -12,6 +12,29 @@ static struct dentry *qla2x00_dfs_root; static atomic_t qla2x00_dfs_root_count; +void +qla2x00_dfs_create_rport(scsi_qla_host_t *vha, struct fc_port *fp) +{ + char wwn[32]; + + if (!vha->dfs_rport_root || fp->dfs_rport_dir) + return; + + sprintf(wwn, "pn-%016llx", wwn_to_u64(fp->port_name)); + fp->dfs_rport_dir = debugfs_create_dir(wwn, vha->dfs_rport_root); + if (!fp->dfs_rport_dir) + return; +} + +void +qla2x00_dfs_remove_rport(scsi_qla_host_t *vha, struct fc_port *fp) +{ + if (!vha->dfs_rport_root || !fp->dfs_rport_dir) + return; + debugfs_remove_recursive(fp->dfs_rport_dir); + fp->dfs_rport_dir = NULL; +} + static int qla2x00_dfs_tgt_sess_show(struct seq_file *s, void *unused) { @@ -473,9 +496,21 @@ qla2x00_dfs_setup(scsi_qla_host_t *vha) ha->tgt.dfs_tgt_sess = debugfs_create_file("tgt_sess", S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_sess_ops); - if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha)) + if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha)) { ha->tgt.dfs_naqp = debugfs_create_file("naqp", 0400, ha->dfs_dir, vha, &dfs_naqp_ops); + if (!ha->tgt.dfs_naqp) { + ql_log(ql_log_warn, vha, 0xd011, + "Unable to create debugFS naqp node.\n"); + goto out; + } + } + vha->dfs_rport_root = debugfs_create_dir("rports", ha->dfs_dir); + if (!vha->dfs_rport_root) { + ql_log(ql_log_warn, vha, 0xd012, + "Unable to create debugFS rports node.\n"); + goto out; + } out: return 0; } @@ -515,6 +550,11 @@ qla2x00_dfs_remove(scsi_qla_host_t *vha) ha->dfs_fce = NULL; } + if (vha->dfs_rport_root) { + debugfs_remove_recursive(vha->dfs_rport_root); + vha->dfs_rport_root = NULL; + } + if (ha->dfs_dir) { debugfs_remove(ha->dfs_dir); ha->dfs_dir = NULL; diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 0ced18f3104e..36c210c24f72 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -935,6 +935,8 @@ void qlt_clr_qp_table(struct scsi_qla_host *vha); void qlt_set_mode(struct scsi_qla_host *); int qla2x00_set_data_rate(scsi_qla_host_t *vha, uint16_t mode); extern void qla24xx_process_purex_list(struct purex_list *); +extern void qla2x00_dfs_create_rport(scsi_qla_host_t *vha, struct fc_port *fp); +extern void qla2x00_dfs_remove_rport(scsi_qla_host_t *vha, struct fc_port *fp); /* nvme.c */ void qla_nvme_unregister_remote_port(struct fc_port *fcport); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 57a2d76aa691..b4d53eb4e53e 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -5486,6 +5486,8 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) qla2x00_iidma_fcport(vha, fcport); + qla2x00_dfs_create_rport(vha, fcport); + if (NVME_TARGET(vha->hw, fcport)) { qla_nvme_register_remote(vha, fcport); qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 90289162dbd4..7711f95033c0 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1111,6 +1111,8 @@ void qlt_free_session_done(struct work_struct *work) spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); sess->free_pending = 0; + qla2x00_dfs_remove_rport(vha, sess); + ql_dbg(ql_dbg_disc, vha, 0xf001, "Unregistration of sess %p %8phC finished fcp_cnt %d\n", sess, sess->port_name, vha->fcport_count);