From patchwork Mon Jan 20 14:07:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Aneesh Kumar K.V" X-Patchwork-Id: 11342251 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 D9DCA6C1 for ; Mon, 20 Jan 2020 14:08:26 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C1FC521835 for ; Mon, 20 Jan 2020 14:08:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C1FC521835 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvdimm-bounces@lists.01.org Received: from ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 1344B1007B8D0; Mon, 20 Jan 2020 06:11:45 -0800 (PST) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=aneesh.kumar@linux.ibm.com; receiver= Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id D32CC10097DBB for ; Mon, 20 Jan 2020 06:11:42 -0800 (PST) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 00KE3SVY128507; Mon, 20 Jan 2020 09:08:24 -0500 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 2xmgeytw9a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 20 Jan 2020 09:08:23 -0500 Received: from m0098399.ppops.net (m0098399.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 00KE4BPC132588; Mon, 20 Jan 2020 09:08:22 -0500 Received: from ppma03dal.us.ibm.com (b.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.11]) by mx0a-001b2d01.pphosted.com with ESMTP id 2xmgeytw89-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 20 Jan 2020 09:08:22 -0500 Received: from pps.filterd (ppma03dal.us.ibm.com [127.0.0.1]) by ppma03dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 00KE4q83030152; Mon, 20 Jan 2020 14:08:21 GMT Received: from b03cxnp08028.gho.boulder.ibm.com (b03cxnp08028.gho.boulder.ibm.com [9.17.130.20]) by ppma03dal.us.ibm.com with ESMTP id 2xksn681tr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 20 Jan 2020 14:08:21 +0000 Received: from b03ledav005.gho.boulder.ibm.com (b03ledav005.gho.boulder.ibm.com [9.17.130.236]) by b03cxnp08028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 00KE8Klp52625854 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 20 Jan 2020 14:08:20 GMT Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4CB2DBE058; Mon, 20 Jan 2020 14:08:20 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F1DFBBE056; Mon, 20 Jan 2020 14:08:17 +0000 (GMT) Received: from skywalker.ibmuc.com (unknown [9.85.71.225]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Mon, 20 Jan 2020 14:08:17 +0000 (GMT) From: "Aneesh Kumar K.V" To: dan.j.williams@intel.com, vishal.l.verma@intel.com, jmoyer@redhat.com Subject: [PATCH v4 6/6] libnvdimm/namespace: Expose arch specific supported size align value Date: Mon, 20 Jan 2020 19:37:49 +0530 Message-Id: <20200120140749.69549-7-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200120140749.69549-1-aneesh.kumar@linux.ibm.com> References: <20200120140749.69549-1-aneesh.kumar@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-01-20_02:2020-01-20,2020-01-20 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 impostorscore=0 priorityscore=1501 suspectscore=0 mlxlogscore=999 spamscore=0 mlxscore=0 phishscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-2001200122 Message-ID-Hash: HR2P46YMXCRIPVDL4EPSC5HIEUL3JDUF X-Message-ID-Hash: HR2P46YMXCRIPVDL4EPSC5HIEUL3JDUF X-MailFrom: aneesh.kumar@linux.ibm.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: linux-nvdimm@lists.01.org, "Aneesh Kumar K.V" X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Expose supported size align as a namespace RO attribute. Usespace can use this to validate the size argument specified when creating a new namespace. Signed-off-by: Aneesh Kumar K.V --- drivers/nvdimm/namespace_devs.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index 59169d914b86..ea76270c87d2 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -1660,6 +1660,14 @@ static ssize_t force_raw_show(struct device *dev, } static DEVICE_ATTR_RW(force_raw); +static ssize_t supported_size_align_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%ld\n", arch_namespace_align_size()); +} +static DEVICE_ATTR_RO(supported_size_align); + + static struct attribute *nd_namespace_attributes[] = { &dev_attr_nstype.attr, &dev_attr_size.attr, @@ -1672,6 +1680,7 @@ static struct attribute *nd_namespace_attributes[] = { &dev_attr_sector_size.attr, &dev_attr_dpa_extents.attr, &dev_attr_holder_class.attr, + &dev_attr_supported_size_align.attr, NULL, };