From patchwork Thu Aug 31 01:25:06 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?R290b3UsIFlhc3Vub3JpL+S6lOWztiDlurfmloc=?= X-Patchwork-Id: 9931021 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EE48660383 for ; Thu, 31 Aug 2017 01:25:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E22C4287FE for ; Thu, 31 Aug 2017 01:25:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D736C28813; Thu, 31 Aug 2017 01:25:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D10B3287FE for ; Thu, 31 Aug 2017 01:25:32 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id D4C0021E95E03; Wed, 30 Aug 2017 18:24:13 -0700 (PDT) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received: from mgwkm01.jp.fujitsu.com (mgwkm01.jp.fujitsu.com [202.219.69.168]) (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 1C05B21E95DFE for ; Wed, 30 Aug 2017 18:24:11 -0700 (PDT) Received: from kw-mxoi2.gw.nic.fujitsu.com (unknown [192.168.231.133]) by mgwkm01.jp.fujitsu.com with smtp id 0eb0_7906_0683174c_405a_4b4f_8f11_48afe2584fc3; Thu, 31 Aug 2017 10:25:15 +0900 Received: from m3051.s.css.fujitsu.com (m3051.s.css.fujitsu.com [10.134.21.209]) by kw-mxoi2.gw.nic.fujitsu.com (Postfix) with ESMTP id 188C4AC00F7 for ; Thu, 31 Aug 2017 10:25:15 +0900 (JST) X-SecurityPolicyCheck: OK by SHieldMailChecker v2.5.2 X-SHieldMailCheckerPolicyVersion: FJ-ISEC-20170217-enc X-SHieldMailCheckerMailID: 11a01c00befd48988cd1828b37c5a23e Date: Thu, 31 Aug 2017 10:25:06 +0900 From: Yasunori Goto To: NVDIMM-ML Subject: [ndctl PATCH 2/5] make interface to check device/nfit/dsm_mask flags In-Reply-To: <20170831102101.DA2C.E1E9C6FF@jp.fujitsu.com> References: <20170831102101.DA2C.E1E9C6FF@jp.fujitsu.com> Message-Id: <20170831102503.DA33.E1E9C6FF@jp.fujitsu.com> MIME-Version: 1.0 X-Mailer: Becky! ver. 2.73 [ja] X-TM-AS-MML: disable X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP To check what feature can be called via ND_CMD_CALL, ndctl need to read device/nfit/dsm_mask. This patch make an interface to check it in libndctl.c Signed-off-by: Yasunori Goto --- ndctl/lib/libndctl.c | 13 +++++++++++++ ndctl/lib/libndctl.sym | 1 + ndctl/libndctl.h.in | 1 + 3 files changed, 15 insertions(+) diff --git a/ndctl/lib/libndctl.c b/ndctl/lib/libndctl.c index c2e0efb..803056d 100644 --- a/ndctl/lib/libndctl.c +++ b/ndctl/lib/libndctl.c @@ -102,6 +102,7 @@ struct ndctl_bus { size_t buf_len; char *wait_probe_path; unsigned long dsm_mask; + unsigned long passthru_dsm_mask; }; /** @@ -846,6 +847,12 @@ static void *add_bus(void *parent, int id, const char *ctl_base) bus->revision = strtoul(buf, NULL, 0); } + sprintf(path, "%s/device/nfit/dsm_mask", ctl_base); + if (sysfs_read_attr(ctx, path, buf) < 0) + bus->passthru_dsm_mask = 0; + else + bus->passthru_dsm_mask = strtoul(buf, NULL, 16); + sprintf(path, "%s/device/provider", ctl_base); if (sysfs_read_attr(ctx, path, buf) < 0) goto err_read; @@ -1101,6 +1108,12 @@ NDCTL_EXPORT int ndctl_bus_is_cmd_supported(struct ndctl_bus *bus, return !!(bus->dsm_mask & (1ULL << cmd)); } +NDCTL_EXPORT int ndctl_bus_is_passthru_cmd_supported(struct ndctl_bus *bus, + int cmd) +{ + return !!(bus->passthru_dsm_mask & (1ULL << cmd)); +} + NDCTL_EXPORT unsigned int ndctl_bus_get_revision(struct ndctl_bus *bus) { return bus->revision; diff --git a/ndctl/lib/libndctl.sym b/ndctl/lib/libndctl.sym index b8ac65f..48b0a2f 100644 --- a/ndctl/lib/libndctl.sym +++ b/ndctl/lib/libndctl.sym @@ -30,6 +30,7 @@ global: ndctl_bus_get_by_provider; ndctl_bus_get_cmd_name; ndctl_bus_is_cmd_supported; + ndctl_bus_is_passthru_cmd_supported; ndctl_bus_has_nfit; ndctl_bus_get_revision; ndctl_bus_get_id; diff --git a/ndctl/libndctl.h.in b/ndctl/libndctl.h.in index 855d883..49b73a4 100644 --- a/ndctl/libndctl.h.in +++ b/ndctl/libndctl.h.in @@ -109,6 +109,7 @@ struct ndctl_bus *ndctl_bus_get_by_provider(struct ndctl_ctx *ctx, const char *provider); const char *ndctl_bus_get_cmd_name(struct ndctl_bus *bus, int cmd); int ndctl_bus_is_cmd_supported(struct ndctl_bus *bus, int cmd); +int ndctl_bus_is_passthru_cmd_supported(struct ndctl_bus *bus, int cmd); unsigned int ndctl_bus_get_revision(struct ndctl_bus *bus); unsigned int ndctl_bus_get_id(struct ndctl_bus *bus); const char *ndctl_bus_get_provider(struct ndctl_bus *bus);