From patchwork Fri Apr 16 08:26:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 423643 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_NONE, 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 21287C43462 for ; Fri, 16 Apr 2021 08:40:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ED7556115B for ; Fri, 16 Apr 2021 08:40:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239783AbhDPIlN (ORCPT ); Fri, 16 Apr 2021 04:41:13 -0400 Received: from mta-02.yadro.com ([89.207.88.252]:41976 "EHLO mta-01.yadro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S239462AbhDPIlH (ORCPT ); Fri, 16 Apr 2021 04:41:07 -0400 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id 4D37D41369; Fri, 16 Apr 2021 08:40:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1618562435; x=1620376836; bh=pRsUU++uSRO5QyygIcIYhEj0Qo03md9bSxV UAdFfiQA=; b=X0bj405XoyK1PVnjxzdgg5CFCDQaX5MU2S87a+0OHqXCBjVXciA VUl9YZsnmkSiLMHxhrzHHzawESuv5PX3obsGN1SA8AywTqXgnBKdekE4l9qC52cp /OKaI9nR+LrRHGIhvQrSfHNbxVVlQ8lA1Jjo1/Riq5s80jaLHlll8ZN8= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id re9opPZ-0vGF; Fri, 16 Apr 2021 11:40:35 +0300 (MSK) Received: from T-EXCH-03.corp.yadro.com (t-exch-03.corp.yadro.com [172.17.100.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id E0AD441373; Fri, 16 Apr 2021 11:40:35 +0300 (MSK) Received: from NB-591.corp.yadro.com (10.199.0.63) by T-EXCH-03.corp.yadro.com (172.17.100.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 16 Apr 2021 11:40:34 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: , , Konstantin Shelekhin , Nilesh Javali , Chris Boot , Bart Van Assche , Michael Cyr , Felipe Balbi , Dmitry Bogdanov , Roman Bolshakov Subject: [PATCH v4 1/7] target: core: add common tpg/enable attribute Date: Fri, 16 Apr 2021 11:26:26 +0300 Message-ID: <20210416082632.2000-2-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210416082632.2000-1-d.bogdanov@yadro.com> References: <20210416082632.2000-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.0.63] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-03.corp.yadro.com (172.17.100.103) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Many fabric modules provide their own implementation of enable attribute in tpg. The change provides a way to remove code duplication in the fabric modules and automatically add "enable" attribute if a fabric module has an implementation of fabric_enable_tpg() ops. Reviewed-by: Roman Bolshakov Signed-off-by: Dmitry Bogdanov --- v4: fix compilation error v3: refactor tfc_tpg_base_attrs creation avoid alloc of attrs if there are no attributes fix newlines move enable attribute to target_core_fabric_configfs.c v2: create enable atribute only for modules with enable_tpg ops --- drivers/target/target_core_configfs.c | 1 + drivers/target/target_core_fabric_configfs.c | 78 +++++++++++++++++++- include/target/target_core_base.h | 1 + include/target/target_core_fabric.h | 1 + 4 files changed, 79 insertions(+), 2 deletions(-) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index f04352285155..fc3949e91f9c 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -490,6 +490,7 @@ void target_unregister_template(const struct target_core_fabric_ops *fo) * fabric driver unload of TFO->module to proceed. */ rcu_barrier(); + kfree(t->tf_tpg_base_cit.ct_attrs); kfree(t); return; } diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index ee85602213f7..38a0658df370 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -815,8 +815,76 @@ static struct configfs_item_operations target_fabric_tpg_base_item_ops = { .release = target_fabric_tpg_release, }; -TF_CIT_SETUP_DRV(tpg_base, &target_fabric_tpg_base_item_ops, NULL); +static ssize_t target_fabric_tpg_base_enable_show(struct config_item *item, + char *page) +{ + return sysfs_emit(page, "%d\n", to_tpg(item)->enabled); +} + +static ssize_t target_fabric_tpg_base_enable_store(struct config_item *item, + const char *page, + size_t count) +{ + struct se_portal_group *se_tpg = to_tpg(item); + int ret; + bool op; + + ret = strtobool(page, &op); + if (ret) + return ret; + + if (se_tpg->enabled == op) + return count; + + ret = se_tpg->se_tpg_tfo->fabric_enable_tpg(se_tpg, op); + if (ret) + return ret; + + se_tpg->enabled = op; + + return count; +} + +CONFIGFS_ATTR(target_fabric_tpg_base_, enable); +static int +target_fabric_setup_tpg_base_cit(struct target_fabric_configfs *tf) +{ + struct config_item_type *cit = &tf->tf_tpg_base_cit; + struct configfs_attribute **attrs = NULL; + size_t nr_attrs = 0; + int i = 0; + + if (tf->tf_ops->tfc_tpg_base_attrs) + while (tf->tf_ops->tfc_tpg_base_attrs[nr_attrs] != NULL) + nr_attrs++; + + if (tf->tf_ops->fabric_enable_tpg) + nr_attrs++; + + if (nr_attrs == 0) + goto done; + + /* + 1 for final NULL in the array */ + attrs = kcalloc(nr_attrs + 1, sizeof(*attrs), GFP_KERNEL); + if (!attrs) + return -ENOMEM; + + if (tf->tf_ops->tfc_tpg_base_attrs) + for (; tf->tf_ops->tfc_tpg_base_attrs[i] != NULL; i++) + attrs[i] = tf->tf_ops->tfc_tpg_base_attrs[i]; + + if (tf->tf_ops->fabric_enable_tpg) + attrs[i] = &target_fabric_tpg_base_attr_enable; + +done: + cit->ct_item_ops = &target_fabric_tpg_base_item_ops; + cit->ct_attrs = attrs; + cit->ct_owner = tf->tf_ops->module; + pr_debug("Setup generic tpg_base\n"); + + return 0; +} /* End of tfc_tpg_base_cit */ /* Start of tfc_tpg_cit */ @@ -971,11 +1039,17 @@ TF_CIT_SETUP_DRV(discovery, NULL, NULL); int target_fabric_setup_cits(struct target_fabric_configfs *tf) { + int ret; + target_fabric_setup_discovery_cit(tf); target_fabric_setup_wwn_cit(tf); target_fabric_setup_wwn_fabric_stats_cit(tf); target_fabric_setup_tpg_cit(tf); - target_fabric_setup_tpg_base_cit(tf); + + ret = target_fabric_setup_tpg_base_cit(tf); + if (ret) + return ret; + target_fabric_setup_tpg_port_cit(tf); target_fabric_setup_tpg_port_stat_cit(tf); target_fabric_setup_tpg_lun_cit(tf); diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 54dcc0eb25fa..fabc9dccfeb2 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -885,6 +885,7 @@ struct se_portal_group { * Negative values can be used by fabric drivers for internal use TPGs. */ int proto_id; + bool enabled; /* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */ atomic_t tpg_pr_ref_count; /* Spinlock for adding/removing ACLed Nodes */ diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h index d60a3eb7517a..b7e409e9e13e 100644 --- a/include/target/target_core_fabric.h +++ b/include/target/target_core_fabric.h @@ -89,6 +89,7 @@ struct target_core_fabric_ops { void (*add_wwn_groups)(struct se_wwn *); struct se_portal_group *(*fabric_make_tpg)(struct se_wwn *, const char *); + int (*fabric_enable_tpg)(struct se_portal_group *se_tpg, bool enable); void (*fabric_drop_tpg)(struct se_portal_group *); int (*fabric_post_link)(struct se_portal_group *, struct se_lun *); From patchwork Fri Apr 16 08:26:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 423028 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 EC126C43616 for ; Fri, 16 Apr 2021 08:40:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D393C61166 for ; 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Fri, 16 Apr 2021 11:40:37 +0300 (MSK) Received: from T-EXCH-03.corp.yadro.com (t-exch-03.corp.yadro.com [172.17.100.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 3C12A4137A; Fri, 16 Apr 2021 11:40:36 +0300 (MSK) Received: from NB-591.corp.yadro.com (10.199.0.63) by T-EXCH-03.corp.yadro.com (172.17.100.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 16 Apr 2021 11:40:35 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: , , Konstantin Shelekhin , Nilesh Javali , Chris Boot , Bart Van Assche , Michael Cyr , Felipe Balbi , Dmitry Bogdanov , Roman Bolshakov Subject: [PATCH v4 2/7] target: iscsi: replace enable attr to ops.enable Date: Fri, 16 Apr 2021 11:26:27 +0300 Message-ID: <20210416082632.2000-3-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210416082632.2000-1-d.bogdanov@yadro.com> References: <20210416082632.2000-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.0.63] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-03.corp.yadro.com (172.17.100.103) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove tpg/enable attribute. Add fabric ops enable_tpg impalmentation instead. Reviewed-by: Roman Bolshakov Signed-off-by: Dmitry Bogdanov --- v3: fix identation issue --- drivers/target/iscsi/iscsi_target_configfs.c | 91 +++++++------------- 1 file changed, 32 insertions(+), 59 deletions(-) diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index 0fa1d57b26fa..28b5acf83c80 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -1006,74 +1006,15 @@ static struct configfs_attribute *lio_target_tpg_param_attrs[] = { /* Start items for lio_target_tpg_cit */ -static ssize_t lio_target_tpg_enable_show(struct config_item *item, char *page) -{ - struct se_portal_group *se_tpg = to_tpg(item); - struct iscsi_portal_group *tpg = container_of(se_tpg, - struct iscsi_portal_group, tpg_se_tpg); - ssize_t len; - - spin_lock(&tpg->tpg_state_lock); - len = sprintf(page, "%d\n", - (tpg->tpg_state == TPG_STATE_ACTIVE) ? 1 : 0); - spin_unlock(&tpg->tpg_state_lock); - - return len; -} - -static ssize_t lio_target_tpg_enable_store(struct config_item *item, - const char *page, size_t count) -{ - struct se_portal_group *se_tpg = to_tpg(item); - struct iscsi_portal_group *tpg = container_of(se_tpg, - struct iscsi_portal_group, tpg_se_tpg); - u32 op; - int ret; - - ret = kstrtou32(page, 0, &op); - if (ret) - return ret; - if ((op != 1) && (op != 0)) { - pr_err("Illegal value for tpg_enable: %u\n", op); - return -EINVAL; - } - - ret = iscsit_get_tpg(tpg); - if (ret < 0) - return -EINVAL; - - if (op) { - ret = iscsit_tpg_enable_portal_group(tpg); - if (ret < 0) - goto out; - } else { - /* - * iscsit_tpg_disable_portal_group() assumes force=1 - */ - ret = iscsit_tpg_disable_portal_group(tpg, 1); - if (ret < 0) - goto out; - } - - iscsit_put_tpg(tpg); - return count; -out: - iscsit_put_tpg(tpg); - return -EINVAL; -} - - static ssize_t lio_target_tpg_dynamic_sessions_show(struct config_item *item, char *page) { return target_show_dynamic_sessions(to_tpg(item), page); } -CONFIGFS_ATTR(lio_target_tpg_, enable); CONFIGFS_ATTR_RO(lio_target_tpg_, dynamic_sessions); static struct configfs_attribute *lio_target_tpg_attrs[] = { - &lio_target_tpg_attr_enable, &lio_target_tpg_attr_dynamic_sessions, NULL, }; @@ -1130,6 +1071,37 @@ static struct se_portal_group *lio_target_tiqn_addtpg(struct se_wwn *wwn, return NULL; } +static int lio_target_tiqn_enabletpg(struct se_portal_group *se_tpg, + bool enable) +{ + struct iscsi_portal_group *tpg = container_of(se_tpg, + struct iscsi_portal_group, tpg_se_tpg); + int ret; + + ret = iscsit_get_tpg(tpg); + if (ret < 0) + return -EINVAL; + + if (enable) { + ret = iscsit_tpg_enable_portal_group(tpg); + if (ret < 0) + goto out; + } else { + /* + * iscsit_tpg_disable_portal_group() assumes force=1 + */ + ret = iscsit_tpg_disable_portal_group(tpg, 1); + if (ret < 0) + goto out; + } + + iscsit_put_tpg(tpg); + return 0; +out: + iscsit_put_tpg(tpg); + return -EINVAL; +} + static void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) { struct iscsi_portal_group *tpg; @@ -1557,6 +1529,7 @@ const struct target_core_fabric_ops iscsi_ops = { .fabric_drop_wwn = lio_target_call_coredeltiqn, .add_wwn_groups = lio_target_add_wwn_groups, .fabric_make_tpg = lio_target_tiqn_addtpg, + .fabric_enable_tpg = lio_target_tiqn_enabletpg, .fabric_drop_tpg = lio_target_tiqn_deltpg, .fabric_make_np = lio_target_call_addnptotpg, .fabric_drop_np = lio_target_call_delnpfromtpg, From patchwork Fri Apr 16 08:26:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 423029 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_NONE, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 9BECBC43600 for ; 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b=tuhXhcX86Y0+aUtasjuthL1HBYm3VK2jHJ2718m73w6j07ykKCG ygZvUicjc6paNysEkVDbdK/9/Kp1uG+DURUuaJxcJUXMYa/42vO7yTKyUhftOw/g VS1RDgSLUpi3uIvmvZ84Ah3EhskQWfvHjjLCjROcQtAoV55yn8x05eW4= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HNHfX3dbasMu; Fri, 16 Apr 2021 11:40:37 +0300 (MSK) Received: from T-EXCH-03.corp.yadro.com (t-exch-03.corp.yadro.com [172.17.100.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id A4FAB41377; Fri, 16 Apr 2021 11:40:36 +0300 (MSK) Received: from NB-591.corp.yadro.com (10.199.0.63) by T-EXCH-03.corp.yadro.com (172.17.100.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 16 Apr 2021 11:40:35 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: , , Konstantin Shelekhin , Nilesh Javali , Chris Boot , Bart Van Assche , Michael Cyr , Felipe Balbi , Dmitry Bogdanov , Roman Bolshakov Subject: [PATCH v4 3/7] target: qla2xx: replace enable attr to ops.enable Date: Fri, 16 Apr 2021 11:26:28 +0300 Message-ID: <20210416082632.2000-4-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210416082632.2000-1-d.bogdanov@yadro.com> References: <20210416082632.2000-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.0.63] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-03.corp.yadro.com (172.17.100.103) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove tpg/enable attribute. Add fabric ops enable_tpg implementation instead. Reviewed-by: Roman Bolshakov Signed-off-by: Dmitry Bogdanov --- drivers/scsi/qla2xxx/tcm_qla2xxx.c | 73 +++++------------------------- 1 file changed, 12 insertions(+), 61 deletions(-) diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 8b4890cdd4ca..5beb6dfdade5 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -906,40 +906,17 @@ static struct configfs_attribute *tcm_qla2xxx_tpg_attrib_attrs[] = { /* End items for tcm_qla2xxx_tpg_attrib_cit */ -static ssize_t tcm_qla2xxx_tpg_enable_show(struct config_item *item, - char *page) -{ - struct se_portal_group *se_tpg = to_tpg(item); - struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, - struct tcm_qla2xxx_tpg, se_tpg); - - return snprintf(page, PAGE_SIZE, "%d\n", - atomic_read(&tpg->lport_tpg_enabled)); -} - -static ssize_t tcm_qla2xxx_tpg_enable_store(struct config_item *item, - const char *page, size_t count) +static int tcm_qla2xxx_enable_tpg(struct se_portal_group *se_tpg, + bool enable) { - struct se_portal_group *se_tpg = to_tpg(item); struct se_wwn *se_wwn = se_tpg->se_tpg_wwn; struct tcm_qla2xxx_lport *lport = container_of(se_wwn, struct tcm_qla2xxx_lport, lport_wwn); struct scsi_qla_host *vha = lport->qla_vha; struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, struct tcm_qla2xxx_tpg, se_tpg); - unsigned long op; - int rc; - rc = kstrtoul(page, 0, &op); - if (rc < 0) { - pr_err("kstrtoul() returned %d\n", rc); - return -EINVAL; - } - if ((op != 1) && (op != 0)) { - pr_err("Illegal value for tpg_enable: %lu\n", op); - return -EINVAL; - } - if (op) { + if (enable) { if (atomic_read(&tpg->lport_tpg_enabled)) return -EEXIST; @@ -947,14 +924,14 @@ static ssize_t tcm_qla2xxx_tpg_enable_store(struct config_item *item, qlt_enable_vha(vha); } else { if (!atomic_read(&tpg->lport_tpg_enabled)) - return count; + return 0; atomic_set(&tpg->lport_tpg_enabled, 0); qlt_stop_phase1(vha->vha_tgt.qla_tgt); qlt_stop_phase2(vha->vha_tgt.qla_tgt); } - return count; + return 0; } static ssize_t tcm_qla2xxx_tpg_dynamic_sessions_show(struct config_item *item, @@ -995,12 +972,10 @@ static ssize_t tcm_qla2xxx_tpg_fabric_prot_type_show(struct config_item *item, return sprintf(page, "%d\n", tpg->tpg_attrib.fabric_prot_type); } -CONFIGFS_ATTR(tcm_qla2xxx_tpg_, enable); CONFIGFS_ATTR_RO(tcm_qla2xxx_tpg_, dynamic_sessions); CONFIGFS_ATTR(tcm_qla2xxx_tpg_, fabric_prot_type); static struct configfs_attribute *tcm_qla2xxx_tpg_attrs[] = { - &tcm_qla2xxx_tpg_attr_enable, &tcm_qla2xxx_tpg_attr_dynamic_sessions, &tcm_qla2xxx_tpg_attr_fabric_prot_type, NULL, @@ -1074,35 +1049,17 @@ static void tcm_qla2xxx_drop_tpg(struct se_portal_group *se_tpg) kfree(tpg); } -static ssize_t tcm_qla2xxx_npiv_tpg_enable_show(struct config_item *item, - char *page) -{ - return tcm_qla2xxx_tpg_enable_show(item, page); -} - -static ssize_t tcm_qla2xxx_npiv_tpg_enable_store(struct config_item *item, - const char *page, size_t count) +static int tcm_qla2xxx_npiv_enable_tpg(struct se_portal_group *se_tpg, + bool enable) { - struct se_portal_group *se_tpg = to_tpg(item); struct se_wwn *se_wwn = se_tpg->se_tpg_wwn; struct tcm_qla2xxx_lport *lport = container_of(se_wwn, struct tcm_qla2xxx_lport, lport_wwn); struct scsi_qla_host *vha = lport->qla_vha; struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, struct tcm_qla2xxx_tpg, se_tpg); - unsigned long op; - int rc; - rc = kstrtoul(page, 0, &op); - if (rc < 0) { - pr_err("kstrtoul() returned %d\n", rc); - return -EINVAL; - } - if ((op != 1) && (op != 0)) { - pr_err("Illegal value for tpg_enable: %lu\n", op); - return -EINVAL; - } - if (op) { + if (enable) { if (atomic_read(&tpg->lport_tpg_enabled)) return -EEXIST; @@ -1110,23 +1067,16 @@ static ssize_t tcm_qla2xxx_npiv_tpg_enable_store(struct config_item *item, qlt_enable_vha(vha); } else { if (!atomic_read(&tpg->lport_tpg_enabled)) - return count; + return 0; atomic_set(&tpg->lport_tpg_enabled, 0); qlt_stop_phase1(vha->vha_tgt.qla_tgt); qlt_stop_phase2(vha->vha_tgt.qla_tgt); } - return count; + return 0; } -CONFIGFS_ATTR(tcm_qla2xxx_npiv_tpg_, enable); - -static struct configfs_attribute *tcm_qla2xxx_npiv_tpg_attrs[] = { - &tcm_qla2xxx_npiv_tpg_attr_enable, - NULL, -}; - static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(struct se_wwn *wwn, const char *name) { @@ -1869,6 +1819,7 @@ static const struct target_core_fabric_ops tcm_qla2xxx_ops = { .fabric_make_wwn = tcm_qla2xxx_make_lport, .fabric_drop_wwn = tcm_qla2xxx_drop_lport, .fabric_make_tpg = tcm_qla2xxx_make_tpg, + .fabric_enable_tpg = tcm_qla2xxx_enable_tpg, .fabric_drop_tpg = tcm_qla2xxx_drop_tpg, .fabric_init_nodeacl = tcm_qla2xxx_init_nodeacl, @@ -1909,11 +1860,11 @@ static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = { .fabric_make_wwn = tcm_qla2xxx_npiv_make_lport, .fabric_drop_wwn = tcm_qla2xxx_npiv_drop_lport, .fabric_make_tpg = tcm_qla2xxx_npiv_make_tpg, + .fabric_enable_tpg = tcm_qla2xxx_npiv_enable_tpg, .fabric_drop_tpg = tcm_qla2xxx_drop_tpg, .fabric_init_nodeacl = tcm_qla2xxx_init_nodeacl, .tfc_wwn_attrs = tcm_qla2xxx_wwn_attrs, - .tfc_tpg_base_attrs = tcm_qla2xxx_npiv_tpg_attrs, }; static int tcm_qla2xxx_register_configfs(void) From patchwork Fri Apr 16 08:26:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 423642 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 3EDBEC43611 for ; Fri, 16 Apr 2021 08:40:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2121961184 for ; Fri, 16 Apr 2021 08:40:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239934AbhDPIlO (ORCPT ); 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Fri, 16 Apr 2021 11:40:38 +0300 (MSK) Received: from T-EXCH-03.corp.yadro.com (t-exch-03.corp.yadro.com [172.17.100.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 66F4B41373; Fri, 16 Apr 2021 11:40:37 +0300 (MSK) Received: from NB-591.corp.yadro.com (10.199.0.63) by T-EXCH-03.corp.yadro.com (172.17.100.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 16 Apr 2021 11:40:36 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: , , Konstantin Shelekhin , Nilesh Javali , Chris Boot , Bart Van Assche , Michael Cyr , Felipe Balbi , Dmitry Bogdanov , Roman Bolshakov Subject: [PATCH v4 4/7] target: sbp: replace enable attr to ops.enable Date: Fri, 16 Apr 2021 11:26:29 +0300 Message-ID: <20210416082632.2000-5-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210416082632.2000-1-d.bogdanov@yadro.com> References: <20210416082632.2000-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.0.63] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-03.corp.yadro.com (172.17.100.103) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove tpg/enable attribute. Add fabric ops enable_tpg implementation instead. Reviewed-by: Roman Bolshakov Signed-off-by: Dmitry Bogdanov --- drivers/target/sbp/sbp_target.c | 30 +++++------------------------- 1 file changed, 5 insertions(+), 25 deletions(-) diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c index 2a6165febd3b..72f7c00134d3 100644 --- a/drivers/target/sbp/sbp_target.c +++ b/drivers/target/sbp/sbp_target.c @@ -2128,32 +2128,13 @@ static ssize_t sbp_tpg_directory_id_store(struct config_item *item, return count; } -static ssize_t sbp_tpg_enable_show(struct config_item *item, char *page) +static int sbp_enable_tpg(struct se_portal_group *se_tpg, bool enable) { - struct se_portal_group *se_tpg = to_tpg(item); struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg); struct sbp_tport *tport = tpg->tport; - return sprintf(page, "%d\n", tport->enable); -} - -static ssize_t sbp_tpg_enable_store(struct config_item *item, - const char *page, size_t count) -{ - struct se_portal_group *se_tpg = to_tpg(item); - struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg); - struct sbp_tport *tport = tpg->tport; - unsigned long val; int ret; - if (kstrtoul(page, 0, &val) < 0) - return -EINVAL; - if ((val != 0) && (val != 1)) - return -EINVAL; - - if (tport->enable == val) - return count; - - if (val) { + if (enable) { if (sbp_count_se_tpg_luns(&tpg->se_tpg) == 0) { pr_err("Cannot enable a target with no LUNs!\n"); return -EINVAL; @@ -2168,7 +2149,7 @@ static ssize_t sbp_tpg_enable_store(struct config_item *item, spin_unlock_bh(&se_tpg->session_lock); } - tport->enable = val; + tport->enable = enable; ret = sbp_update_unit_directory(tport); if (ret < 0) { @@ -2176,15 +2157,13 @@ static ssize_t sbp_tpg_enable_store(struct config_item *item, return ret; } - return count; + return 0; } CONFIGFS_ATTR(sbp_tpg_, directory_id); -CONFIGFS_ATTR(sbp_tpg_, enable); static struct configfs_attribute *sbp_tpg_base_attrs[] = { &sbp_tpg_attr_directory_id, - &sbp_tpg_attr_enable, NULL, }; @@ -2322,6 +2301,7 @@ static const struct target_core_fabric_ops sbp_ops = { .fabric_make_wwn = sbp_make_tport, .fabric_drop_wwn = sbp_drop_tport, .fabric_make_tpg = sbp_make_tpg, + .fabric_enable_tpg = sbp_enable_tpg, .fabric_drop_tpg = sbp_drop_tpg, .fabric_post_link = sbp_post_link_lun, .fabric_pre_unlink = sbp_pre_unlink_lun, From patchwork Fri Apr 16 08:26:30 2021 Content-Type: text/plain; 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Fri, 16 Apr 2021 11:40:38 +0300 (MSK) Received: from NB-591.corp.yadro.com (10.199.0.63) by T-EXCH-03.corp.yadro.com (172.17.100.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 16 Apr 2021 11:40:37 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: , , Konstantin Shelekhin , Nilesh Javali , Chris Boot , Bart Van Assche , Michael Cyr , Felipe Balbi , Dmitry Bogdanov , Roman Bolshakov Subject: [PATCH v4 5/7] target: srpt replace enable attr to ops.enable Date: Fri, 16 Apr 2021 11:26:30 +0300 Message-ID: <20210416082632.2000-6-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210416082632.2000-1-d.bogdanov@yadro.com> References: <20210416082632.2000-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.0.63] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-03.corp.yadro.com (172.17.100.103) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove tpg/enable attribute. Add fabric ops enable_tpg implementation instead. Reviewed-by: Roman Bolshakov Signed-off-by: Dmitry Bogdanov --- drivers/infiniband/ulp/srpt/ib_srpt.c | 38 +++------------------------ 1 file changed, 4 insertions(+), 34 deletions(-) diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 6be60aa5ffe2..527205941347 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -3700,47 +3700,17 @@ static struct configfs_attribute *srpt_da_attrs[] = { NULL, }; -static ssize_t srpt_tpg_enable_show(struct config_item *item, char *page) +static int srpt_enable_tpg(struct se_portal_group *se_tpg, bool enable) { - struct se_portal_group *se_tpg = to_tpg(item); struct srpt_port *sport = srpt_tpg_to_sport(se_tpg); - return sysfs_emit(page, "%d\n", sport->enabled); -} - -static ssize_t srpt_tpg_enable_store(struct config_item *item, - const char *page, size_t count) -{ - struct se_portal_group *se_tpg = to_tpg(item); - struct srpt_port *sport = srpt_tpg_to_sport(se_tpg); - unsigned long tmp; - int ret; - - ret = kstrtoul(page, 0, &tmp); - if (ret < 0) { - pr_err("Unable to extract srpt_tpg_store_enable\n"); - return -EINVAL; - } - - if ((tmp != 0) && (tmp != 1)) { - pr_err("Illegal value for srpt_tpg_store_enable: %lu\n", tmp); - return -EINVAL; - } - mutex_lock(&sport->mutex); - srpt_set_enabled(sport, tmp); + srpt_set_enabled(sport, enable); mutex_unlock(&sport->mutex); - return count; + return 0; } -CONFIGFS_ATTR(srpt_tpg_, enable); - -static struct configfs_attribute *srpt_tpg_attrs[] = { - &srpt_tpg_attr_enable, - NULL, -}; - /** * srpt_make_tpg - configfs callback invoked for mkdir /sys/kernel/config/target/$driver/$port/$tpg * @wwn: Corresponds to $driver/$port. @@ -3851,12 +3821,12 @@ static const struct target_core_fabric_ops srpt_template = { .fabric_make_wwn = srpt_make_tport, .fabric_drop_wwn = srpt_drop_tport, .fabric_make_tpg = srpt_make_tpg, + .fabric_enable_tpg = srpt_enable_tpg, .fabric_drop_tpg = srpt_drop_tpg, .fabric_init_nodeacl = srpt_init_nodeacl, .tfc_discovery_attrs = srpt_da_attrs, .tfc_wwn_attrs = srpt_wwn_attrs, - .tfc_tpg_base_attrs = srpt_tpg_attrs, .tfc_tpg_attrib_attrs = srpt_tpg_attrib_attrs, }; From patchwork Fri Apr 16 08:26:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 423027 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, 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 6BDDDC433B4 for ; Fri, 16 Apr 2021 08:40:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4BAE16117A for ; Fri, 16 Apr 2021 08:40:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240020AbhDPIlT (ORCPT ); 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Fri, 16 Apr 2021 11:40:39 +0300 (MSK) Received: from T-EXCH-03.corp.yadro.com (t-exch-03.corp.yadro.com [172.17.100.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 95C934137A; Fri, 16 Apr 2021 11:40:38 +0300 (MSK) Received: from NB-591.corp.yadro.com (10.199.0.63) by T-EXCH-03.corp.yadro.com (172.17.100.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 16 Apr 2021 11:40:38 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: , , Konstantin Shelekhin , Nilesh Javali , Chris Boot , Bart Van Assche , Michael Cyr , Felipe Balbi , Dmitry Bogdanov , Roman Bolshakov Subject: [PATCH v4 6/7] target: ibm_vscsi: replace enable attr to ops.enable Date: Fri, 16 Apr 2021 11:26:31 +0300 Message-ID: <20210416082632.2000-7-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210416082632.2000-1-d.bogdanov@yadro.com> References: <20210416082632.2000-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.0.63] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-03.corp.yadro.com (172.17.100.103) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove tpg/enable attribute. Add fabric ops enable_tpg implementation instead. Reviewed-by: Roman Bolshakov Signed-off-by: Dmitry Bogdanov --- drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c | 42 +++--------------------- 1 file changed, 4 insertions(+), 38 deletions(-) diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c index 9abd9e253af6..90129a6c3496 100644 --- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c +++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c @@ -3956,41 +3956,16 @@ static struct configfs_attribute *ibmvscsis_wwn_attrs[] = { NULL, }; -static ssize_t ibmvscsis_tpg_enable_show(struct config_item *item, - char *page) -{ - struct se_portal_group *se_tpg = to_tpg(item); - struct ibmvscsis_tport *tport = container_of(se_tpg, - struct ibmvscsis_tport, - se_tpg); - return snprintf(page, PAGE_SIZE, "%d\n", (tport->enabled) ? 1 : 0); -} - -static ssize_t ibmvscsis_tpg_enable_store(struct config_item *item, - const char *page, size_t count) +static int ibmvscsis_enable_tpg(struct se_portal_group *se_tpg, bool enable) { - struct se_portal_group *se_tpg = to_tpg(item); struct ibmvscsis_tport *tport = container_of(se_tpg, struct ibmvscsis_tport, se_tpg); struct scsi_info *vscsi = container_of(tport, struct scsi_info, tport); - unsigned long tmp; - int rc; long lrc; - rc = kstrtoul(page, 0, &tmp); - if (rc < 0) { - dev_err(&vscsi->dev, "Unable to extract srpt_tpg_store_enable\n"); - return -EINVAL; - } - - if ((tmp != 0) && (tmp != 1)) { - dev_err(&vscsi->dev, "Illegal value for srpt_tpg_store_enable\n"); - return -EINVAL; - } - - if (tmp) { + if (enable) { spin_lock_bh(&vscsi->intr_lock); tport->enabled = true; lrc = ibmvscsis_enable_change_state(vscsi); @@ -4006,17 +3981,8 @@ static ssize_t ibmvscsis_tpg_enable_store(struct config_item *item, spin_unlock_bh(&vscsi->intr_lock); } - dev_dbg(&vscsi->dev, "tpg_enable_store, tmp %ld, state %d\n", tmp, - vscsi->state); - - return count; + return 0; } -CONFIGFS_ATTR(ibmvscsis_tpg_, enable); - -static struct configfs_attribute *ibmvscsis_tpg_attrs[] = { - &ibmvscsis_tpg_attr_enable, - NULL, -}; static const struct target_core_fabric_ops ibmvscsis_ops = { .module = THIS_MODULE, @@ -4046,10 +4012,10 @@ static const struct target_core_fabric_ops ibmvscsis_ops = { .fabric_make_wwn = ibmvscsis_make_tport, .fabric_drop_wwn = ibmvscsis_drop_tport, .fabric_make_tpg = ibmvscsis_make_tpg, + .fabric_enable_tpg = ibmvscsis_enable_tpg, .fabric_drop_tpg = ibmvscsis_drop_tpg, .tfc_wwn_attrs = ibmvscsis_wwn_attrs, - .tfc_tpg_base_attrs = ibmvscsis_tpg_attrs, }; static void ibmvscsis_dev_release(struct device *dev) {}; From patchwork Fri Apr 16 08:26:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 423640 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 CB941C43619 for ; Fri, 16 Apr 2021 08:40:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B1CDA6115B for ; Fri, 16 Apr 2021 08:40:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239951AbhDPIlQ (ORCPT ); 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Fri, 16 Apr 2021 11:40:39 +0300 (MSK) Received: from T-EXCH-03.corp.yadro.com (t-exch-03.corp.yadro.com [172.17.100.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 196F441389; Fri, 16 Apr 2021 11:40:39 +0300 (MSK) Received: from NB-591.corp.yadro.com (10.199.0.63) by T-EXCH-03.corp.yadro.com (172.17.100.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 16 Apr 2021 11:40:38 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: , , Konstantin Shelekhin , Nilesh Javali , Chris Boot , Bart Van Assche , Michael Cyr , Felipe Balbi , Dmitry Bogdanov , Roman Bolshakov Subject: [PATCH v4 7/7] target: usb: replace enable attr to ops.enable Date: Fri, 16 Apr 2021 11:26:32 +0300 Message-ID: <20210416082632.2000-8-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210416082632.2000-1-d.bogdanov@yadro.com> References: <20210416082632.2000-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.0.63] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-03.corp.yadro.com (172.17.100.103) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove tpg/enable attribute. Add fabric ops enable_tpg implementation instead. Reviewed-by: Roman Bolshakov Signed-off-by: Dmitry Bogdanov --- v4: fix uninitialized use of ret variable --- drivers/usb/gadget/function/f_tcm.c | 31 ++++++----------------------- 1 file changed, 6 insertions(+), 25 deletions(-) diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c index 410fa89eae8f..0e6beb9e86b4 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -1499,42 +1499,24 @@ static struct configfs_attribute *usbg_wwn_attrs[] = { NULL, }; -static ssize_t tcm_usbg_tpg_enable_show(struct config_item *item, char *page) -{ - struct se_portal_group *se_tpg = to_tpg(item); - struct usbg_tpg *tpg = container_of(se_tpg, struct usbg_tpg, se_tpg); - - return snprintf(page, PAGE_SIZE, "%u\n", tpg->gadget_connect); -} - static int usbg_attach(struct usbg_tpg *); static void usbg_detach(struct usbg_tpg *); -static ssize_t tcm_usbg_tpg_enable_store(struct config_item *item, - const char *page, size_t count) +static int usbg_enable_tpg(struct se_portal_group *se_tpg, bool enable) { - struct se_portal_group *se_tpg = to_tpg(item); struct usbg_tpg *tpg = container_of(se_tpg, struct usbg_tpg, se_tpg); - bool op; - ssize_t ret; - - ret = strtobool(page, &op); - if (ret) - return ret; - - if ((op && tpg->gadget_connect) || (!op && !tpg->gadget_connect)) - return -EINVAL; + int ret = 0; - if (op) + if (enable) ret = usbg_attach(tpg); else usbg_detach(tpg); if (ret) return ret; - tpg->gadget_connect = op; + tpg->gadget_connect = enable; - return count; + return 0; } static ssize_t tcm_usbg_tpg_nexus_show(struct config_item *item, char *page) @@ -1677,11 +1659,9 @@ static ssize_t tcm_usbg_tpg_nexus_store(struct config_item *item, return count; } -CONFIGFS_ATTR(tcm_usbg_tpg_, enable); CONFIGFS_ATTR(tcm_usbg_tpg_, nexus); static struct configfs_attribute *usbg_base_attrs[] = { - &tcm_usbg_tpg_attr_enable, &tcm_usbg_tpg_attr_nexus, NULL, }; @@ -1734,6 +1714,7 @@ static const struct target_core_fabric_ops usbg_ops = { .fabric_make_wwn = usbg_make_tport, .fabric_drop_wwn = usbg_drop_tport, .fabric_make_tpg = usbg_make_tpg, + .fabric_enable_tpg = usbg_enable_tpg, .fabric_drop_tpg = usbg_drop_tpg, .fabric_post_link = usbg_port_link, .fabric_pre_unlink = usbg_port_unlink,