Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753409AbbKPSjZ (ORCPT ); Mon, 16 Nov 2015 13:39:25 -0500 Received: from g1t6225.austin.hp.com ([15.73.96.126]:36500 "EHLO g1t6225.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753230AbbKPSih (ORCPT ); Mon, 16 Nov 2015 13:38:37 -0500 From: Jerry Hoemann To: ross.zwisler@linux.intel.com, rjw@rjwysocki.net, lenb@kernel.org, dan.j.williams@intel.com, elliott@hpe.com, jmoyer@redhat.com, krivenok.dmitry@gmail.com, linda.knippers@hpe.com Cc: linux-nvdimm@ml01.01.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Jerry Hoemann Subject: [PATCH v2 2/3] nvdimm: Add wrapper for IOCTL pass thru Date: Mon, 16 Nov 2015 11:38:18 -0700 Message-Id: <464a9ff2c5636fd55b6e1376d54b65d5b4b1b959.1447698598.git.jerry.hoemann@hpe.com> X-Mailer: git-send-email 1.7.11.3 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1493 Lines: 51 Add struct nd_passthru_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. Signed-off-by: Jerry Hoemann --- include/uapi/linux/ndctl.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h index 5b4a4be..934a49f 100644 --- a/include/uapi/linux/ndctl.h +++ b/include/uapi/linux/ndctl.h @@ -109,6 +109,7 @@ enum { ND_CMD_VENDOR_EFFECT_LOG_SIZE = 7, ND_CMD_VENDOR_EFFECT_LOG = 8, ND_CMD_VENDOR = 9, + ND_CMD_PASSTHRU = 100, }; enum { @@ -204,4 +205,19 @@ enum ars_masks { ARS_STATUS_MASK = 0x0000FFFF, ARS_EXT_STATUS_SHIFT = 16, }; + + +struct nd_passthru_pkg { + struct { + __u8 dsm_uuid[16]; + __u64 dsm_rev; /* revision of dsm call */ + __u64 dsm_fun_idx; /* DSM function id */ + __u32 dsm_in; /* size of _DSM input */ + __u32 dsm_out; /* size of user buffer */ + __u64 reserved[12]; /* reserved must be zero */ + __u32 dsm_size; /* size _DSM would write */ + } h; + unsigned char buf[]; +}; + #endif /* __NDCTL_H__ */ -- 1.7.11.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/