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g_raid.h
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md_ddf.h
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Editing: md_ddf.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2012 Alexander Motin <mav@FreeBSD.org> * Copyright (c) 2008 Scott Long * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef MD_DDF_H #define MD_DDF_H /* Definitions from the SNIA DDF spec, rev 1.2/2.0 */ #define DDF_HEADER_LENGTH 512 struct ddf_header { uint32_t Signature; #define DDF_HEADER_SIGNATURE 0xde11de11 uint32_t CRC; uint8_t DDF_Header_GUID[24]; uint8_t DDF_rev[8]; uint32_t Sequence_Number; uint32_t TimeStamp; uint8_t Open_Flag; #define DDF_HEADER_CLOSED 0x00 #define DDF_HEADER_OPENED_MASK 0x0f #define DDF_HEADER_OPEN_ANCHOR 0xff uint8_t Foreign_Flag; uint8_t Diskgrouping; uint8_t pad1[13]; uint8_t Header_ext[32]; uint64_t Primary_Header_LBA; uint64_t Secondary_Header_LBA; uint8_t Header_Type; #define DDF_HEADER_ANCHOR 0x00 #define DDF_HEADER_PRIMARY 0x01 #define DDF_HEADER_SECONDARY 0x02 uint8_t pad2[3]; uint32_t WorkSpace_Length; uint64_t WorkSpace_LBA; uint16_t Max_PD_Entries; uint16_t Max_VD_Entries; uint16_t Max_Partitions; uint16_t Configuration_Record_Length; uint16_t Max_Primary_Element_Entries; uint32_t Max_Mapped_Block_Entries; /* DDF 2.0 */ uint8_t pad3[50]; uint32_t cd_section; /* Controller_Data_Section */ uint32_t cd_length; /* Controller_Data_Section_Length */ uint32_t pdr_section; /* Physical_Drive_Records_Section */ uint32_t pdr_length; /* Physical_Drive_Records_Length */ uint32_t vdr_section; /* Virtual_Drive_Records_Section */ uint32_t vdr_length; /* Virtual_Drive_Records_Length */ uint32_t cr_section; /* Configuration_Records_Section */ uint32_t cr_length; /* Configuration_Records_Length */ uint32_t pdd_section; /* Physical_Drive_Data_Section */ uint32_t pdd_length; /* Physical_Drive_Data_Length */ uint32_t bbmlog_section; /* BBM_Log_Section */ uint32_t bbmlog_length; /* BBM_Log_Section_Length */ uint32_t Diagnostic_Space; uint32_t Diagnostic_Space_Length; uint32_t Vendor_Specific_Logs; uint32_t Vendor_Specific_Logs_Length; uint8_t pad4[256]; } __packed; struct ddf_cd_record { uint32_t Signature; #define DDF_CONTROLLER_DATA_SIGNATURE 0xad111111 uint32_t CRC; uint8_t Controller_GUID[24]; struct { uint16_t Vendor_ID; uint16_t Device_ID; uint16_t SubVendor_ID; uint16_t SubDevice_ID; } Controller_Type __packed; uint8_t Product_ID[16]; uint8_t pad1[8]; uint8_t Controller_Data[448]; } __packed; struct ddf_device_scsi { uint8_t Lun; uint8_t Id; uint8_t Channel; uint8_t Path_Flags; #define DDF_DEVICE_SCSI_FLAG_BROKEN (1 << 7) } __packed; struct ddf_device_sas { uint64_t Initiator_Path; } __packed; union ddf_pathinfo { struct { struct ddf_device_scsi Path0; struct ddf_device_scsi Path1; uint8_t pad[10]; } __packed scsi; struct { struct ddf_device_sas Path0; struct ddf_device_sas Path1; uint8_t Path0_Flags; uint8_t Path1_Flags; #define DDF_DEVICE_SAS_PHY_ID 0x7f #define DDF_DEVICE_SAS_FLAG_BROKEN (1 << 7) } __packed sas; } __packed; struct ddf_pd_entry { uint8_t PD_GUID[24]; uint32_t PD_Reference; uint16_t PD_Type; #define DDF_PDE_GUID_FORCE (1 << 0) #define DDF_PDE_PARTICIPATING (1 << 1) #define DDF_PDE_GLOBAL_SPARE (1 << 2) #define DDF_PDE_CONFIG_SPARE (1 << 3) #define DDF_PDE_FOREIGN (1 << 4) #define DDF_PDE_LEGACY (1 << 5) #define DDF_PDE_TYPE_MASK (0x0f << 12) #define DDF_PDE_UNKNOWN (0x00 << 12) #define DDF_PDE_SCSI (0x01 << 12) #define DDF_PDE_SAS (0x02 << 12) #define DDF_PDE_SATA (0x03 << 12) #define DDF_PDE_FC (0x04 << 12) uint16_t PD_State; #define DDF_PDE_ONLINE (1 << 0) #define DDF_PDE_FAILED (1 << 1) #define DDF_PDE_REBUILD (1 << 2) #define DDF_PDE_TRANSITION (1 << 3) #define DDF_PDE_PFA (1 << 4) #define DDF_PDE_UNRECOVERED (1 << 5) #define DDF_PDE_MISSING (1 << 6) uint64_t Configured_Size; union ddf_pathinfo Path_Information; uint16_t Block_Size; /* DDF 2.0 */ uint8_t pad1[4]; } __packed; struct ddf_pd_record { uint32_t Signature; #define DDF_PDR_SIGNATURE 0x22222222 uint32_t CRC; uint16_t Populated_PDEs; uint16_t Max_PDE_Supported; uint8_t pad1[52]; struct ddf_pd_entry entry[0]; } __packed; struct ddf_vd_entry { uint8_t VD_GUID[24]; uint16_t VD_Number; uint8_t pad1[2]; uint16_t VD_Type; #define DDF_VDE_SHARED (1 << 0) #define DDF_VDE_ENFORCE_GROUP (1 << 1) #define DDF_VDE_UNICODE_NAME (1 << 2) #define DDF_VDE_OWNER_ID_VALID (1 << 3) uint16_t Controller_GUID_CRC; uint8_t VD_State; #define DDF_VDE_OPTIMAL 0x00 #define DDF_VDE_DEGRADED 0x01 #define DDF_VDE_DELETED 0x02 #define DDF_VDE_MISSING 0x03 #define DDF_VDE_FAILED 0x04 #define DDF_VDE_PARTIAL 0x05 #define DDF_VDE_OFFLINE 0x06 #define DDF_VDE_STATE_MASK 0x07 #define DDF_VDE_MORPH (1 << 3) #define DDF_VDE_DIRTY (1 << 4) uint8_t Init_State; #define DDF_VDE_UNINTIALIZED 0x00 #define DDF_VDE_INIT_QUICK 0x01 #define DDF_VDE_INIT_FULL 0x02 #define DDF_VDE_INIT_MASK 0x03 #define DDF_VDE_UACCESS_RW 0x00 #define DDF_VDE_UACCESS_RO 0x80 #define DDF_VDE_UACCESS_BLOCKED 0xc0 #define DDF_VDE_UACCESS_MASK 0xc0 uint8_t Drive_Failures_Remaining; /* DDF 2.0 */ uint8_t pad2[13]; uint8_t VD_Name[16]; } __packed; struct ddf_vd_record { uint32_t Signature; #define DDF_VD_RECORD_SIGNATURE 0xdddddddd uint32_t CRC; uint16_t Populated_VDEs; uint16_t Max_VDE_Supported; uint8_t pad1[52]; struct ddf_vd_entry entry[0]; } __packed; #define DDF_CR_INVALID 0xffffffff struct ddf_vdc_record { uint32_t Signature; #define DDF_VDCR_SIGNATURE 0xeeeeeeee uint32_t CRC; uint8_t VD_GUID[24]; uint32_t Timestamp; uint32_t Sequence_Number; uint8_t pad1[24]; uint16_t Primary_Element_Count; uint8_t Stripe_Size; uint8_t Primary_RAID_Level; #define DDF_VDCR_RAID0 0x00 #define DDF_VDCR_RAID1 0x01 #define DDF_VDCR_RAID3 0x03 #define DDF_VDCR_RAID4 0x04 #define DDF_VDCR_RAID5 0x05 #define DDF_VDCR_RAID6 0x06 #define DDF_VDCR_RAID1E 0x11 #define DDF_VDCR_SINGLE 0x0f #define DDF_VDCR_CONCAT 0x1f #define DDF_VDCR_RAID5E 0x15 #define DDF_VDCR_RAID5EE 0x25 uint8_t RLQ; uint8_t Secondary_Element_Count; uint8_t Secondary_Element_Seq; uint8_t Secondary_RAID_Level; uint64_t Block_Count; uint64_t VD_Size; uint16_t Block_Size; /* DDF 2.0 */ uint8_t Rotate_Parity_count; /* DDF 2.0 */ uint8_t pad2[5]; uint32_t Associated_Spares[8]; uint64_t Cache_Flags; #define DDF_VDCR_CACHE_WB (1 << 0) #define DDF_VDCR_CACHE_WB_ADAPTIVE (1 << 1) #define DDF_VDCR_CACHE_RA (1 << 2) #define DDF_VDCR_CACHE_RA_ADAPTIVE (1 << 3) #define DDF_VDCR_CACHE_WCACHE_NOBATTERY (1 << 4) #define DDF_VDCR_CACHE_WCACHE_ALLOW (1 << 5) #define DDF_VDCR_CACHE_RCACHE_ALLOW (1 << 6) #define DDF_VDCR_CACHE_VENDOR (1 << 7) uint8_t BG_Rate; uint8_t pad3[3]; uint8_t MDF_Parity_Disks; /* DDF 2.0 */ uint16_t MDF_Parity_Generator_Polynomial; /* DDF 2.0 */ uint8_t pad4; uint8_t MDF_Constant_Generation_Method; /* DDF 2.0 */ uint8_t pad5[47]; uint8_t pad6[192]; uint8_t V0[32]; uint8_t V1[32]; uint8_t V2[16]; uint8_t V3[16]; uint8_t Vendor_Scratch[32]; uint32_t Physical_Disk_Sequence[0]; } __packed; struct ddf_vuc_record { uint32_t Signature; #define DDF_VUCR_SIGNATURE 0x88888888 uint32_t CRC; uint8_t VD_GUID[24]; } __packed; struct ddf_sa_entry { uint8_t VD_GUID[24]; uint16_t Secondary_Element; uint8_t rsrvd2[6]; } __packed; struct ddf_sa_record { uint32_t Signature; #define DDF_SA_SIGNATURE 0x55555555 uint32_t CRC; uint32_t Timestamp; uint8_t pad1[7]; uint8_t Spare_Type; #define DDF_SAR_TYPE_DEDICATED (1 << 0) #define DDF_SAR_TYPE_REVERTIBLE (1 << 1) #define DDF_SAR_TYPE_ACTIVE (1 << 2) #define DDF_SAR_TYPE_ENCL_AFFINITY (1 << 3) uint16_t Populated_SAEs; uint16_t MAX_SAE_Supported; uint8_t pad2[8]; struct ddf_sa_entry entry[0]; } __packed; struct ddf_pdd_record { uint32_t Signature; #define DDF_PDD_SIGNATURE 0x33333333 uint32_t CRC; uint8_t PD_GUID[24]; uint32_t PD_Reference; uint8_t Forced_Ref_Flag; #define DDF_PDD_FORCED_REF 0x01 uint8_t Forced_PD_GUID_Flag; #define DDF_PDD_FORCED_GUID 0x01 uint8_t Vendor_Scratch[32]; uint8_t pad2[442]; } __packed; struct ddf_bbm_entry { uint64_t Defective_Block_Start; uint32_t Spare_Block_Offset; uint16_t Remapped_Count; uint8_t pad[2]; }; struct ddf_bbm_log { uint32_t Signature; #define DDF_BBML_SIGNATURE 0xabadb10c uint32_t CRC; uint32_t Entry_Count; uint32_t Spare_Block_Count; uint8_t pad1[8]; uint64_t First_Spare_LBA; uint64_t Mapped_Block_Entry[0]; } __packed; struct ddf_vendor_log { uint32_t Signature; #define DDF_VENDOR_LOG_SIGNATURE 0x01dbeef0 uint32_t CRC; uint64_t Log_Owner; uint8_t pad1[16]; } __packed; #endif
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