261fc57b26
Spares and rebuilds are not supported, so this code should be considered for entertainment purposes only.
334 lines
9.1 KiB
C
334 lines
9.1 KiB
C
/*-
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* Copyright (c) 2008 Scott Long
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef ATA_RAID_DDF_H
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#define ATA_RAID_DDF_H
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/* Definitions from the SNIA DDF spec, rev 1.2 */
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#define DDF_HEADER_LENGTH 512
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struct ddf_header {
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uint32_t Signature;
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#define DDF_HEADER_SIGNATURE 0xde11de11
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uint32_t CRC;
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uint8_t DDF_Header_GUID[24];
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uint8_t DDF_rev[8];
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uint32_t Sequence_Number;
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uint32_t TimeStamp;
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uint8_t Open_Flag;
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#define DDF_HEADER_CLOSED 0x00
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#define DDF_HEADER_OPENED_MASK 0x0f
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#define DDF_HEADER_OPEN_ANCHOR 0xff
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uint8_t Foreign_Flag;
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uint8_t Diskgrouping;
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uint8_t pad1[13];
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uint8_t Header_ext[32];
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uint64_t Primary_Header_LBA;
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uint64_t Secondary_Header_LBA;
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uint8_t Header_Type;
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#define DDF_HEADER_ANCHOR 0x00
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#define DDF_HEADER_PRIMARY 0x01
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#define DDF_HEADER_SECONDARY 0x02
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uint8_t pad2[3];
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uint32_t WorkSpace_Length;
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uint64_t WorkSpace_LBA;
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uint16_t Max_PD_Entries;
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uint16_t Max_VD_Entries;
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uint16_t Max_Partitions;
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uint16_t Configuration_Record_Length;
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uint16_t Max_Primary_Element_Entries;
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uint8_t pad3[54];
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uint32_t cd_section; /* Controller_Data_Section */
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uint32_t cd_length; /* Controller_Data_Section_Length */
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uint32_t pdr_section; /* Physical_Drive_Records_Section */
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uint32_t pdr_length; /* Physical_Drive_Records_Length */
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uint32_t vdr_section; /* Virtual_Drive_Records_Section */
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uint32_t vdr_length; /* Virtual_Drive_Records_Length */
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uint32_t cr_section; /* Configuration_Records_Section */
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uint32_t cr_length; /* Configuration_Records_Length */
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uint32_t pdd_section; /* Physical_Drive_Data_Section */
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uint32_t pdd_length; /* Physical_Drive_Data_Length */
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uint32_t bbmlog_section; /* BBM_Log_Section */
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uint32_t bbmlog_length; /* BBM_Log_Section_Length */
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uint32_t Diagnostic_Space;
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uint32_t Diagnostic_Space_Length;
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uint32_t Vendor_Specific_Logs;
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uint32_t Vendor_Specific_Logs_Length;
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uint8_t pad4[256];
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} __packed;
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struct ddf_cd_record {
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uint32_t Signature;
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#define DDF_CONTROLLER_DATA_SIGNATURE 0xad111111
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uint32_t CRC;
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uint8_t Controller_GUID[24];
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struct {
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uint16_t Vendor_ID;
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uint16_t Device_ID;
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uint16_t SubVendor_ID;
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uint16_t SubDevice_ID;
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} Controller_Type __packed;
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uint8_t Product_ID[16];
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uint8_t pad1[8];
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uint8_t Controller_Data[448];
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} __packed;
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struct ddf_device_scsi {
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uint8_t Lun;
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uint8_t Id;
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uint8_t Channel;
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uint8_t Path_Flags;
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#define DDF_DEVICE_SCSI_FLAG_BROKEN (1 << 7)
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} __packed;
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struct ddf_device_sas {
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uint64_t Initiator_Path;
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} __packed;
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union ddf_pathinfo {
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struct {
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struct ddf_device_scsi Path0;
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struct ddf_device_scsi Path1;
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uint8_t pad[10];
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} __packed scsi;
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struct {
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struct ddf_device_sas Path0;
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struct ddf_device_sas Path1;
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uint8_t Path0_Flags;
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uint8_t Path1_Flags;
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#define DDF_DEVICE_SAS_FLAG_BROKEN (1 << 7)
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} __packed sas;
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} __packed;
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struct ddf_pd_entry {
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uint8_t PD_GUID[24];
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uint32_t PD_Reference;
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uint16_t PD_Type;
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#define DDF_PDE_GUID_FORCE (1 << 0)
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#define DDF_PDE_PARTICIPATING (1 << 1)
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#define DDF_PDE_GLOBAL_SPARE (1 << 2)
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#define DDF_PDE_CONFIG_SPARE (1 << 3)
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#define DDF_PDE_FOREIGN (1 << 4)
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#define DDF_PDE_LEGACY (1 << 5)
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#define DDF_PDE_TYPE_MASK (0x0f << 12)
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#define DDF_PDE_UNKNOWN (0x00 << 12)
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#define DDF_PDE_SCSI (0x01 << 12)
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#define DDF_PDE_SAS (0x02 << 12)
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#define DDF_PDE_SATA (0x03 << 12)
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#define DDF_PDE_FC (0x04 << 12)
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uint16_t PD_State;
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#define DDF_PDE_ONLINE (1 << 0)
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#define DDF_PDE_FAILED (1 << 1)
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#define DDF_PDE_REBUILD (1 << 2)
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#define DDF_PDE_TRANSITION (1 << 3)
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#define DDF_PDE_PFA (1 << 4)
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#define DDF_PDE_UNRECOVERED (1 << 5)
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#define DDF_PDE_MISSING (1 << 6)
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uint64_t Configured_Size;
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union ddf_pathinfo Path_Information;
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uint8_t pad1[6];
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} __packed;
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struct ddf_pd_record {
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uint32_t Signature;
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#define DDF_PDR_SIGNATURE 0x22222222
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uint32_t CRC;
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uint16_t Populated_PDEs;
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uint16_t Max_PDE_Supported;
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uint8_t pad1[52];
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struct ddf_pd_entry entry[0];
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} __packed;
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struct ddf_vd_entry {
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uint8_t VD_GUID[24];
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uint16_t VD_Number;
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uint8_t pad1[2];
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uint16_t VD_Type;
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#define DDF_VDE_SHARED (1 << 0)
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#define DDF_VDE_ENFORCE_GROUP (1 << 1)
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#define DDF_VDE_UNICODE_NAME (1 << 2)
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#define DDF_VDE_OWNER_ID_VALID (1 << 3)
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uint16_t Controller_GUID_CRC;
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uint8_t VD_State;
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#define DDF_VDE_OPTIMAL 0x00
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#define DDF_VDE_DEGRADED 0x01
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#define DDF_VDE_DELETED 0x02
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#define DDF_VDE_MISSING 0x03
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#define DDF_VDE_FAILED 0x04
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#define DDF_VDE_PARTIAL 0x05
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#define DDF_VDE_STATE_MASK 0x07
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#define DDF_VDE_MORPH (1 << 3)
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#define DDF_VDE_DIRTY (1 << 4)
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uint8_t Init_State;
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#define DDF_VDE_UNINTIALIZED 0x00
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#define DDF_VDE_INIT_QUICK 0x01
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#define DDF_VDE_INIT_FULL 0x02
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#define DDF_VDE_INIT_MASK 0x03
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#define DDF_VDE_UACCESS_RW 0x00
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#define DDF_VDE_UACCESS_RO 0x80
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#define DDF_VDE_UACCESS_BLOCKED 0xc0
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#define DDF_VDE_UACCESS_MASK 0xc0
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uint8_t pad2[14];
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uint8_t VD_Name[16];
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} __packed;
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struct ddf_vd_record {
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uint32_t Signature;
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#define DDF_VD_RECORD_SIGNATURE 0xdddddddd
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uint32_t CRC;
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uint16_t Populated_VDEs;
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uint16_t Max_VDE_Supported;
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uint8_t pad1[52];
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struct ddf_vd_entry entry[0];
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} __packed;
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#define DDF_CR_INVALID 0xffffffff
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struct ddf_vdc_record {
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uint32_t Signature;
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#define DDF_VDCR_SIGNATURE 0xeeeeeeee
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uint32_t CRC;
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uint8_t VD_GUID[24];
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uint32_t Timestamp;
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uint32_t Sequence_Number;
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uint8_t pad1[24];
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uint16_t Primary_Element_Count;
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uint8_t Stripe_Size;
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uint8_t Primary_RAID_Level;
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#define DDF_VDCR_RAID0 0x00
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#define DDF_VDCR_RAID1 0x01
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#define DDF_VDCR_RAID3 0x03
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#define DDF_VDCR_RAID4 0x04
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#define DDF_VDCR_RAID5 0x05
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#define DDF_VDCR_RAID6 0x06
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#define DDF_VDCR_RAID1E 0x11
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#define DDF_VDCR_SINGLE 0x0f
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#define DDF_VDCR_CONCAT 0x1f
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#define DDF_VDCR_RAID5E 0x15
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#define DDF_VDCR_RAID5EE 0x25
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uint8_t RLQ;
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uint8_t Secondary_Element_Count;
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uint8_t Secondary_Element_Seq;
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uint8_t Secondary_RAID_Level;
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uint64_t Block_Count;
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uint64_t VD_Size;
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uint8_t pad2[8];
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uint32_t Associated_Spares[8];
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uint64_t Cache_Flags;
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#define DDF_VDCR_CACHE_WB (1 << 0)
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#define DDF_VDCR_CACHE_WB_ADAPTIVE (1 << 1)
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#define DDF_VDCR_CACHE_RA (1 << 2)
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#define DDF_VDCR_CACHE_RA_ADAPTIVE (1 << 3)
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#define DDF_VDCR_CACHE_WCACHE_NOBATTERY (1 << 4)
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#define DDF_VDCR_CACHE_WCACHE_ALLOW (1 << 5)
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#define DDF_VDCR_CACHE_RCACHE_ALLOW (1 << 6)
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#define DDF_VDCR_CACHE_VENDOR (1 << 7)
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uint8_t BG_Rate;
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uint8_t pad3[3];
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uint8_t pad4[52];
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uint8_t pad5[192];
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uint8_t V0[32];
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uint8_t V1[32];
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uint8_t V2[16];
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uint8_t V3[16];
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uint8_t Vendor_Scratch[32];
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uint32_t Physical_Disk_Sequence[0];
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} __packed;
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struct ddf_vuc_record {
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uint32_t Signature;
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#define DDF_VUCR_SIGNATURE 0x88888888
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uint32_t CRC;
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uint8_t VD_GUID[24];
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} __packed;
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struct ddf_sa_entry {
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uint8_t VD_GUID[24];
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uint16_t Secondary_Element;
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uint8_t rsrvd2[6];
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} __packed;
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struct ddf_sa_record {
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uint32_t Signature;
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#define DDF_SA_SIGNATURE 0x55555555
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uint32_t CRC;
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uint32_t Timestamp;
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uint8_t pad1[7];
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uint8_t Spare_Type;
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#define DDF_SAR_TYPE_DEDICATED (1 << 0)
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#define DDF_SAR_TYPE_REVERTIBLE (1 << 1)
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#define DDF_SAR_TYPE_ACTIVE (1 << 2)
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#define DDF_SAR_TYPE_ENCL_AFFINITY (1 << 3)
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uint16_t Populated_SAEs;
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uint16_t MAX_SAE_Supported;
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uint8_t pad2[8];
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struct ddf_sa_entry entry[0];
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} __packed;
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struct ddf_pdd_record {
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uint32_t Signature;
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#define DDF_PDD_SIGNATURE 0x33333333
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uint32_t CRC;
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uint8_t PD_GUID[24];
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uint32_t PD_Reference;
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uint8_t Forced_Ref_Flag;
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#define DDF_PDD_FORCED_REF 0x01
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uint8_t Forced_PD_GUID_Flag;
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#define DDF_PDD_FORCED_GUID 0x01
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uint8_t Vendor_Scratch[32];
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uint8_t pad2[442];
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} __packed;
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struct ddf_bbm_entry {
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uint64_t Defective_Block_Start;
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uint32_t Spare_Block_Offset;
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uint16_t Remapped_Count;
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uint8_t pad[2];
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};
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struct ddf_bbm_log {
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uint32_t Signature;
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#define DDF_BBML_SIGNATURE 0xabadb10c
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uint32_t CRC;
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uint16_t Entry_Count;
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uint32_t Spare_Block_Count;
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uint8_t pad1[10];
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uint64_t First_Spare_LBA;
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uint64_t Mapped_Block_Entry[0];
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} __packed;
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struct ddf_vendor_log {
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uint32_t Signature;
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#define DDF_VENDOR_LOG_SIGNATURE 0x01dbeef0
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uint32_t CRC;
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uint64_t Log_Owner;
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uint8_t pad1[16];
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} __packed;
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#endif
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