From patchwork Fri Mar 11 21:16:26 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jerry Hoemann X-Patchwork-Id: 8569261 Return-Path: X-Original-To: patchwork-linux-nvdimm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 71B1BC0554 for ; Fri, 11 Mar 2016 21:16:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 87AAD20373 for ; Fri, 11 Mar 2016 21:16:49 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id 9EB1C202B8 for ; Fri, 11 Mar 2016 21:16:48 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 0FF2F1A1F8B; Fri, 11 Mar 2016 13:17:04 -0800 (PST) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received: from g1t6214.austin.hp.com (g1t6214.austin.hp.com [15.73.96.122]) (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 BDFEE1A1F7F for ; Fri, 11 Mar 2016 13:17:01 -0800 (PST) Received: from g1t6217.austin.hpicorp.net (g1t6217.austin.hpicorp.net [15.67.1.144]) by g1t6214.austin.hp.com (Postfix) with ESMTP id 3B213186; Fri, 11 Mar 2016 21:16:45 +0000 (UTC) Received: from lxbuild.ftc.rdlabs.hpecorp.net (lxbuild.ftc.rdlabs.hpecorp.net [16.78.34.175]) by g1t6217.austin.hpicorp.net (Postfix) with ESMTP id D54AB71; Fri, 11 Mar 2016 21:16:44 +0000 (UTC) From: Jerry Hoemann To: dan.j.williams@intel.com Subject: [RFC v6 2/8] nvdimm: Add wrapper for IOCTL pass thru Date: Fri, 11 Mar 2016 14:16:26 -0700 Message-Id: <833a627a8cff27a72f946fa9432cacf2a855e485.1457730736.git.jerry.hoemann@hpe.com> X-Mailer: git-send-email 1.7.11.3 In-Reply-To: References: In-Reply-To: References: Cc: linux-nvdimm@lists.01.org X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add struct nd_cmd_pkg which serves as a warapper for the data being passed via a pass thru to a NVDIMM DSM. This wrapper specifies the extra information in a uniform manner allowing the kenrel to call a DSM without knowing specifics of the DSM. Add dsm_call command to nvdimm_bus_cmd_name and nvdimm_cmd_name. Signed-off-by: Jerry Hoemann --- include/uapi/linux/ndctl.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h index 7cc28ab..459c6ba 100644 --- a/include/uapi/linux/ndctl.h +++ b/include/uapi/linux/ndctl.h @@ -125,6 +125,7 @@ enum { ND_CMD_VENDOR_EFFECT_LOG_SIZE = 7, ND_CMD_VENDOR_EFFECT_LOG = 8, ND_CMD_VENDOR = 9, + ND_CMD_CALL_DSM = 10, }; enum { @@ -139,6 +140,7 @@ static inline const char *nvdimm_bus_cmd_name(unsigned cmd) [ND_CMD_ARS_START] = "ars_start", [ND_CMD_ARS_STATUS] = "ars_status", [ND_CMD_CLEAR_ERROR] = "clear_error", + [ND_CMD_CALL_DSM] = "dsm_call", }; if (cmd < ARRAY_SIZE(names) && names[cmd]) @@ -158,6 +160,7 @@ static inline const char *nvdimm_cmd_name(unsigned cmd) [ND_CMD_VENDOR_EFFECT_LOG_SIZE] = "effect_size", [ND_CMD_VENDOR_EFFECT_LOG] = "effect_log", [ND_CMD_VENDOR] = "vendor", + [ND_CMD_CALL_DSM] = "dsm_call", }; if (cmd < ARRAY_SIZE(names) && names[cmd]) @@ -224,4 +227,23 @@ enum ars_masks { ARS_STATUS_MASK = 0x0000FFFF, ARS_EXT_STATUS_SHIFT = 16, }; + + +struct nd_cmd_pkg { + __u32 ncp_type; + __u32 ncp_rev; + __u64 ncp_command; + __u32 ncp_size_in; /* size of input payload */ + __u32 ncp_size_out; /* size of user buffer */ + __u32 ncp_reserved2[9]; /* reserved must be zero */ + __u32 ncp_pot_size; /* potential output size */ + unsigned char ncp_payload[]; /* Contents of call */ +}; + +#define NCP_TYPE_BUS 1 +#define NCP_TYPE_DIMM_INTEL1 2 +#define NCP_TYPE_DIMM_N_HPE1 3 +#define NCP_TYPE_DIMM_N_HPE2 4 + + #endif /* __NDCTL_H__ */