From patchwork Sat Jan 30 00:24:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Widawsky X-Patchwork-Id: 12188081 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=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 754BDC433E0 for ; Sat, 30 Jan 2021 10:19:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 269AC64DE7 for ; Sat, 30 Jan 2021 10:19:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232747AbhA3Aey (ORCPT ); Fri, 29 Jan 2021 19:34:54 -0500 Received: from mga01.intel.com ([192.55.52.88]:38334 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232828AbhA3AcG (ORCPT ); Fri, 29 Jan 2021 19:32:06 -0500 IronPort-SDR: iDJzDplbIxyt5b0f46bhkvLbJCNreQWnBqiG0oDQmERSmdZFuGm2IalQ17HRBLOD+u9ToTHXgk 3inoVWw/5o3Q== X-IronPort-AV: E=McAfee;i="6000,8403,9879"; a="199350695" X-IronPort-AV: E=Sophos;i="5.79,387,1602572400"; d="scan'208";a="199350695" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jan 2021 16:24:52 -0800 IronPort-SDR: FS8opO0zcYO9Li6hvufbXR/rYCbqfPnhC03Y86RtN6BSDhlOR3JghOAbnPFgu0TRUGplPFSaqM /1xo1PFDYTYA== X-IronPort-AV: E=Sophos;i="5.79,387,1602572400"; d="scan'208";a="370591703" Received: from jambrizm-mobl1.amr.corp.intel.com (HELO bwidawsk-mobl5.local) ([10.252.133.15]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jan 2021 16:24:52 -0800 From: Ben Widawsky To: linux-cxl@vger.kernel.org Cc: Ben Widawsky , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org, linux-pci@vger.kernel.org, Bjorn Helgaas , Chris Browy , Christoph Hellwig , Dan Williams , Ira Weiny , Jon Masters , Jonathan Cameron , Rafael Wysocki , Randy Dunlap , Vishal Verma , daniel.lll@alibaba-inc.com, "John Groves (jgroves)" , "Kelley, Sean V" Subject: [PATCH 12/14] cxl/mem: Add set of informational commands Date: Fri, 29 Jan 2021 16:24:36 -0800 Message-Id: <20210130002438.1872527-13-ben.widawsky@intel.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210130002438.1872527-1-ben.widawsky@intel.com> References: <20210130002438.1872527-1-ben.widawsky@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org In order to solidify support for a reasonable set of commands a set of relatively safe commands are added and thus nullifying the need to use raw operations to access them. Signed-off-by: Ben Widawsky --- drivers/cxl/mem.c | 8 ++++++++ include/uapi/linux/cxl_mem.h | 4 ++++ 2 files changed, 12 insertions(+) diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c index 787417c4d5dc..b8ca6dff37b5 100644 --- a/drivers/cxl/mem.c +++ b/drivers/cxl/mem.c @@ -42,12 +42,16 @@ enum opcode { CXL_MBOX_OP_INVALID = 0x0000, #define CXL_MBOX_OP_RAW CXL_MBOX_OP_INVALID + CXL_MBOX_OP_GET_FW_INFO = 0x0200, CXL_MBOX_OP_ACTIVATE_FW = 0x0202, CXL_MBOX_OP_GET_SUPPORTED_LOGS = 0x0400, CXL_MBOX_OP_GET_LOG = 0x0401, CXL_MBOX_OP_IDENTIFY = 0x4000, + CXL_MBOX_OP_GET_PARTITION_INFO = 0x4100, CXL_MBOX_OP_SET_PARTITION_INFO = 0x4101, + CXL_MBOX_OP_GET_LSA = 0x4102, CXL_MBOX_OP_SET_LSA = 0x4103, + CXL_MBOX_OP_GET_HEALTH_INFO = 0x4200, CXL_MBOX_OP_SET_SHUTDOWN_STATE = 0x4204, CXL_MBOX_OP_SCAN_MEDIA = 0x4304, CXL_MBOX_OP_GET_SCAN_MEDIA = 0x4305, @@ -168,6 +172,10 @@ static struct cxl_mem_command mem_commands[] = { CXL_CMD(IDENTIFY, NONE, 0, 0x43, MANDATORY), CXL_CMD(RAW, NONE, ~0, ~0, PSEUDO), CXL_CMD(GET_SUPPORTED_LOGS, NONE, 0, ~0, MANDATORY), + CXL_CMD(GET_FW_INFO, NONE, 0, 0x50, NONE), + CXL_CMD(GET_PARTITION_INFO, NONE, 0, 0x20, NONE), + CXL_CMD(GET_LSA, NONE, 0x8, ~0, MANDATORY), + CXL_CMD(GET_HEALTH_INFO, NONE, 0, 0x12, MANDATORY), }; /* diff --git a/include/uapi/linux/cxl_mem.h b/include/uapi/linux/cxl_mem.h index 64cb9753a077..766c231d6150 100644 --- a/include/uapi/linux/cxl_mem.h +++ b/include/uapi/linux/cxl_mem.h @@ -35,6 +35,10 @@ extern "C" { ___C(IDENTIFY, "Identify Command"), \ ___C(RAW, "Raw device command"), \ ___C(GET_SUPPORTED_LOGS, "Get Supported Logs"), \ + ___C(GET_FW_INFO, "Get FW Info"), \ + ___C(GET_PARTITION_INFO, "Get Partition Information"), \ + ___C(GET_LSA, "Get Label Storage Area"), \ + ___C(GET_HEALTH_INFO, "Get Health Info"), \ ___C(MAX, "Last command") #define ___C(a, b) CXL_MEM_COMMAND_ID_##a