From patchwork Mon Feb 22 21:55:28 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kani, Toshi" X-Patchwork-Id: 8383291 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 7DFAC9F1D4 for ; Mon, 22 Feb 2016 21:03:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7641A205D1 for ; Mon, 22 Feb 2016 21:03:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53DAD205CA for ; Mon, 22 Feb 2016 21:03:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754052AbcBVVCl (ORCPT ); Mon, 22 Feb 2016 16:02:41 -0500 Received: from g9t5009.houston.hp.com ([15.240.92.67]:34973 "EHLO g9t5009.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753224AbcBVVCk (ORCPT ); Mon, 22 Feb 2016 16:02:40 -0500 Received: from g4t3433.houston.hp.com (g4t3433.houston.hp.com [16.210.25.219]) by g9t5009.houston.hp.com (Postfix) with ESMTP id 3924854; Mon, 22 Feb 2016 21:02:40 +0000 (UTC) Received: from misato.fc.hp.com (misato.fc.hp.com [16.78.168.61]) by g4t3433.houston.hp.com (Postfix) with ESMTP id 6DDF365; Mon, 22 Feb 2016 21:02:39 +0000 (UTC) From: Toshi Kani To: rjw@rjwysocki.net, dan.j.williams@intel.com Cc: robert.moore@intel.com, lv.zheng@intel.com, elliott@hpe.com, linux-nvdimm@lists.01.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, devel@acpica.org, Toshi Kani Subject: [PATCH v2 1/3] ACPI/NFIT: Update Control Region Structure to comply ACPI 6.1 Date: Mon, 22 Feb 2016 14:55:28 -0700 Message-Id: <1456178130-26468-2-git-send-email-toshi.kani@hpe.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1456178130-26468-1-git-send-email-toshi.kani@hpe.com> References: <1456178130-26468-1-git-send-email-toshi.kani@hpe.com> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 ACPI 6.1, Table 5-133, updates NVDIMM Control Region Structure as follows. - Valid Fields, Manufacturing Location, and Manufacturing Date are added from reserved range. No change in the structure size. - IDs defined as SPD values are arrays of bytes. The spec clarified that they need to be represented as arrays of bytes as well. This patch makes the following changes to support this update. - Change 'struct acpi_nfit_control_region' to reflect the update. SPD IDs are defined as arrays of bytes, so that they can be treated in the same way regardless of CPU endianness and are not miss-treated as little-endian numeric values. - Change the NFIT driver to show SPD ID values as array of bytes in sysfs. - Change sprintf format to use "0x" instead of "#" since "%#02x" does not prepend '0' in some reason. link: http://www.uefi.org/sites/default/files/resources/ACPI_6_1.pdf Signed-off-by: Toshi Kani Cc: Rafael J. Wysocki Cc: Dan Williams Cc: Robert Moore Cc: Lv Zheng Cc: Robert Elliott Cc: --- drivers/acpi/nfit.c | 20 +++++++++++++------- include/acpi/actbl1.h | 24 +++++++++++++++--------- 2 files changed, 28 insertions(+), 16 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index ad6d8c6..4982a18 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -722,7 +722,8 @@ static ssize_t vendor_show(struct device *dev, { struct acpi_nfit_control_region *dcr = to_nfit_dcr(dev); - return sprintf(buf, "%#x\n", dcr->vendor_id); + return sprintf(buf, "0x%02x%02x\n", + dcr->vendor_id[0], dcr->vendor_id[1]); } static DEVICE_ATTR_RO(vendor); @@ -731,7 +732,8 @@ static ssize_t rev_id_show(struct device *dev, { struct acpi_nfit_control_region *dcr = to_nfit_dcr(dev); - return sprintf(buf, "%#x\n", dcr->revision_id); + return sprintf(buf, "0x%02x%02x\n", + dcr->revision_id[0], dcr->revision_id[1]); } static DEVICE_ATTR_RO(rev_id); @@ -740,7 +742,8 @@ static ssize_t device_show(struct device *dev, { struct acpi_nfit_control_region *dcr = to_nfit_dcr(dev); - return sprintf(buf, "%#x\n", dcr->device_id); + return sprintf(buf, "0x%02x%02x\n", + dcr->device_id[0], dcr->device_id[1]); } static DEVICE_ATTR_RO(device); @@ -749,7 +752,7 @@ static ssize_t format_show(struct device *dev, { struct acpi_nfit_control_region *dcr = to_nfit_dcr(dev); - return sprintf(buf, "%#x\n", dcr->code); + return sprintf(buf, "0x%02x%02x\n", dcr->code[0], dcr->code[1]); } static DEVICE_ATTR_RO(format); @@ -758,7 +761,9 @@ static ssize_t serial_show(struct device *dev, { struct acpi_nfit_control_region *dcr = to_nfit_dcr(dev); - return sprintf(buf, "%#x\n", dcr->serial_number); + return sprintf(buf, "0x%02x%02x%02x%02x\n", + dcr->serial_number[0], dcr->serial_number[1], + dcr->serial_number[2], dcr->serial_number[3]); } static DEVICE_ATTR_RO(serial); @@ -956,7 +961,7 @@ static const struct attribute_group *acpi_nfit_region_attribute_groups[] = { struct nfit_set_info { struct nfit_set_info_map { u64 region_offset; - u32 serial_number; + u8 serial_number[4]; u32 pad; } mapping[0]; }; @@ -1025,7 +1030,8 @@ static int acpi_nfit_init_interleave_set(struct acpi_nfit_desc *acpi_desc, } map->region_offset = memdev->region_offset; - map->serial_number = nfit_mem->dcr->serial_number; + memcpy(map->serial_number, nfit_mem->dcr->serial_number, + sizeof(map->serial_number)); } sort(&info->mapping[0], nr, sizeof(struct nfit_set_info_map), diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 16e0136..d8df62c 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -1040,15 +1040,18 @@ struct acpi_nfit_smbios { struct acpi_nfit_control_region { struct acpi_nfit_header header; u16 region_index; - u16 vendor_id; - u16 device_id; - u16 revision_id; - u16 subsystem_vendor_id; - u16 subsystem_device_id; - u16 subsystem_revision_id; - u8 reserved[6]; /* Reserved, must be zero */ - u32 serial_number; - u16 code; + u8 vendor_id[2]; + u8 device_id[2]; + u8 revision_id[2]; + u8 subsystem_vendor_id[2]; + u8 subsystem_device_id[2]; + u8 subsystem_revision_id[2]; + u8 valid_fields; + u8 manufacturing_location; + u8 manufacturing_date[2]; + u8 reserved[2]; /* Reserved, must be zero */ + u8 serial_number[4]; + u8 code[2]; u16 windows; u64 window_size; u64 command_offset; @@ -1059,6 +1062,9 @@ struct acpi_nfit_control_region { u8 reserved1[6]; /* Reserved, must be zero */ }; +/* Valid Fields */ +#define ACPI_NFIT_CONTROL_MFG_INFO_VALID (1) /* Manufacturing fields are valid */ + /* Flags */ #define ACPI_NFIT_CONTROL_BUFFERED (1) /* Block Data Windows implementation is buffered */