From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.zytor.com (terminus.zytor.com [65.50.211.136]) (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 DA54F2095AE41 for ; Thu, 24 Aug 2017 10:12:23 -0700 (PDT) Received: from localhost.localdomain ([IPv6:2804:7f4:c480:f0c1:0:0:0:1]) (authenticated bits=0) by mail.zytor.com (8.15.2/8.15.2) with ESMTPSA id v7OHCXPt007454 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Thu, 24 Aug 2017 10:12:44 -0700 From: Paulo Alcantara To: edk2-devel@lists.01.org Cc: Paulo Alcantara , Michael D Kinney , Liming Gao , Laszlo Ersek Date: Thu, 24 Aug 2017 14:12:26 -0300 Message-Id: X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: Subject: [PATCH v3 1/6] MdePkg: Add UDF volume structure definitions X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Aug 2017 17:12:24 -0000 This patch adds basic volume structure definitions necessary to identify a valid UDF file system on a block device, as specified by OSTA Universal Disk Format Specification 2.60. Cc: Michael D Kinney Cc: Liming Gao Cc: Laszlo Ersek Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Paulo Alcantara --- MdePkg/Include/IndustryStandard/Udf.h | 60 +++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 MdePkg/Include/IndustryStandard/Udf.h diff --git a/MdePkg/Include/IndustryStandard/Udf.h b/MdePkg/Include/IndustryStandard/Udf.h new file mode 100644 index 0000000000..0febb4bcda --- /dev/null +++ b/MdePkg/Include/IndustryStandard/Udf.h @@ -0,0 +1,60 @@ +/** @file + OSTA Universal Disk Format (UDF) definitions. + + Copyright (C) 2014-2017 Paulo Alcantara + + This program and the accompanying materials are licensed and made available + under the terms and conditions of the BSD License which accompanies this + distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT + WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +**/ + +#ifndef __UDF_H__ +#define __UDF_H__ + +#define UDF_BEA_IDENTIFIER "BEA01" +#define UDF_NSR2_IDENTIFIER "NSR02" +#define UDF_NSR3_IDENTIFIER "NSR03" +#define UDF_TEA_IDENTIFIER "TEA01" + +#define UDF_LOGICAL_SECTOR_SHIFT 11 +#define UDF_LOGICAL_SECTOR_SIZE ((UINT64)(1ULL << UDF_LOGICAL_SECTOR_SHIFT)) +#define UDF_VRS_START_OFFSET ((UINT64)(16ULL << UDF_LOGICAL_SECTOR_SHIFT)) + +#define _GET_TAG_ID(_Pointer) \ + (((UDF_DESCRIPTOR_TAG *)(_Pointer))->TagIdentifier) + +#define IS_AVDP(_Pointer) \ + ((BOOLEAN)(_GET_TAG_ID (_Pointer) == 2)) + +#pragma pack(1) + +typedef struct { + UINT16 TagIdentifier; + UINT16 DescriptorVersion; + UINT8 TagChecksum; + UINT8 Reserved; + UINT16 TagSerialNumber; + UINT16 DescriptorCRC; + UINT16 DescriptorCRCLength; + UINT32 TagLocation; +} UDF_DESCRIPTOR_TAG; + +typedef struct { + UINT32 ExtentLength; + UINT32 ExtentLocation; +} UDF_EXTENT_AD; + +typedef struct { + UDF_DESCRIPTOR_TAG DescriptorTag; + UDF_EXTENT_AD MainVolumeDescriptorSequenceExtent; + UDF_EXTENT_AD ReserveVolumeDescriptorSequenceExtent; + UINT8 Reserved[480]; +} UDF_ANCHOR_VOLUME_DESCRIPTOR_POINTER; + +#pragma pack() + +#endif -- 2.11.0