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=-16.8 required=3.0 tests=BAYES_00, 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 52ECDC433E6 for ; Fri, 19 Feb 2021 02:04:07 +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 015BE64ED2 for ; Fri, 19 Feb 2021 02:04:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 015BE64ED2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.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 BF5BF100EAAF9; Thu, 18 Feb 2021 18:03:59 -0800 (PST) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=192.55.52.120; helo=mga04.intel.com; envelope-from=vishal.l.verma@intel.com; receiver= Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (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 32D8D100F2276 for ; Thu, 18 Feb 2021 18:03:55 -0800 (PST) IronPort-SDR: kcp0dDVbWsxhXopCQzgHKLKfDH1Sptj6Fo1ohkzP75r6DQs8AN23RfbZy6CkrPypEZmnDiap6J 9QB5qWmLD8sg== X-IronPort-AV: E=McAfee;i="6000,8403,9899"; a="181151515" X-IronPort-AV: E=Sophos;i="5.81,187,1610438400"; d="scan'208";a="181151515" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Feb 2021 18:03:54 -0800 IronPort-SDR: kOoOP2zpdvVO3aqK0kJkDaT8nMMiPB6BLsgKEHSTYT0iHMmb5J1Sy+7/vvZZ28Qyo+qxFoBjmB 3odPTbUeKcNw== X-IronPort-AV: E=Sophos;i="5.81,187,1610438400"; d="scan'208";a="513509672" Received: from jnavar1-mobl4.amr.corp.intel.com (HELO omniknight.intel.com) ([10.213.167.18]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Feb 2021 18:03:54 -0800 From: Vishal Verma To: Subject: [ndctl PATCH v2 09/13] libcxl: add support for the 'GET_LSA' command Date: Thu, 18 Feb 2021 19:03:27 -0700 Message-Id: <20210219020331.725687-10-vishal.l.verma@intel.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210219020331.725687-1-vishal.l.verma@intel.com> References: <20210219020331.725687-1-vishal.l.verma@intel.com> MIME-Version: 1.0 Message-ID-Hash: KXOUDIXKY4DY77I63DP2O5GSN4YSKMBP X-Message-ID-Hash: KXOUDIXKY4DY77I63DP2O5GSN4YSKMBP X-MailFrom: vishal.l.verma@intel.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; suspicious-header CC: linux-nvdimm@lists.01.org, Ben Widawsky 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: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Add a command allocator and accessor APIs for the 'GET_LSA' mailbox command. Signed-off-by: Vishal Verma --- cxl/lib/private.h | 5 +++++ cxl/lib/libcxl.c | 31 +++++++++++++++++++++++++++++++ cxl/libcxl.h | 3 +++ cxl/lib/libcxl.sym | 2 ++ 4 files changed, 41 insertions(+) diff --git a/cxl/lib/private.h b/cxl/lib/private.h index 2232f4c..fb1dd8e 100644 --- a/cxl/lib/private.h +++ b/cxl/lib/private.h @@ -73,6 +73,11 @@ struct cxl_cmd_identify { u8 qos_telemetry_caps; } __attribute__((packed)); +struct cxl_cmd_get_lsa_in { + le32 offset; + le32 length; +} __attribute__((packed)); + struct cxl_cmd_get_health_info { u8 health_status; u8 media_status; diff --git a/cxl/lib/libcxl.c b/cxl/lib/libcxl.c index d595d36..2edb79e 100644 --- a/cxl/lib/libcxl.c +++ b/cxl/lib/libcxl.c @@ -804,6 +804,37 @@ CXL_EXPORT struct cxl_cmd *cxl_cmd_new_raw(struct cxl_memdev *memdev, return cmd; } +CXL_EXPORT struct cxl_cmd *cxl_cmd_new_get_lsa(struct cxl_memdev *memdev, + unsigned int offset, unsigned int length) +{ + struct cxl_cmd_get_lsa_in *get_lsa; + struct cxl_cmd *cmd; + + cmd = cxl_cmd_new_generic(memdev, CXL_MEM_COMMAND_ID_GET_LSA); + if (!cmd) + return NULL; + + get_lsa = (void *)cmd->send_cmd->in.payload; + get_lsa->offset = cpu_to_le32(offset); + get_lsa->length = cpu_to_le32(length); + return cmd; +} + +#define cmd_get_void(cmd, N) \ +do { \ + void *p = (void *)cmd->send_cmd->out.payload; \ + if (cmd->send_cmd->id != CXL_MEM_COMMAND_ID_##N) \ + return NULL; \ + if (cmd->status < 0) \ + return NULL; \ + return p; \ +} while(0); + +CXL_EXPORT void *cxl_cmd_get_lsa_get_payload(struct cxl_cmd *cmd) +{ + cmd_get_void(cmd, GET_LSA); +} + CXL_EXPORT int cxl_cmd_submit(struct cxl_cmd *cmd) { struct cxl_memdev *memdev = cmd->memdev; diff --git a/cxl/libcxl.h b/cxl/libcxl.h index 56ae4af..6edbd8d 100644 --- a/cxl/libcxl.h +++ b/cxl/libcxl.h @@ -71,6 +71,9 @@ int cxl_cmd_get_health_info_get_temperature(struct cxl_cmd *cmd); int cxl_cmd_get_health_info_get_dirty_shutdowns(struct cxl_cmd *cmd); int cxl_cmd_get_health_info_get_volatile_errors(struct cxl_cmd *cmd); int cxl_cmd_get_health_info_get_pmem_errors(struct cxl_cmd *cmd); +struct cxl_cmd *cxl_cmd_new_get_lsa(struct cxl_memdev *memdev, + unsigned int offset, unsigned int length); +void *cxl_cmd_get_lsa_get_payload(struct cxl_cmd *cmd); #ifdef __cplusplus } /* extern "C" */ diff --git a/cxl/lib/libcxl.sym b/cxl/lib/libcxl.sym index e00443d..2c6193b 100644 --- a/cxl/lib/libcxl.sym +++ b/cxl/lib/libcxl.sym @@ -52,4 +52,6 @@ global: cxl_cmd_get_health_info_get_dirty_shutdowns; cxl_cmd_get_health_info_get_volatile_errors; cxl_cmd_get_health_info_get_pmem_errors; + cxl_cmd_new_get_lsa; + cxl_cmd_get_lsa_get_payload; } LIBCXL_2; -- 2.29.2 _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org