/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright © 2016 Intel Corporation
*
* Authors :
* Rafael Antognolli < rafael . antognolli @ intel . com >
* Scott Bauer < scott . bauer @ intel . com >
*/
#include <linux/types.h>
#ifndef _OPAL_PROTO_H
#define _OPAL_PROTO_H
/*
* These constant values come from :
* SPC - 4 section
* 6 . 30 SECURITY PROTOCOL IN command / table 265 .
*/
enum {
TCG_SECP_00 = 0 ,
TCG_SECP_01,
};
/*
* Token defs derived from :
* TCG_Storage_Architecture_Core_Spec_v2 . 01 _ r1 . 00
* 3 . 2 . 2 Data Stream Encoding
*/
enum opal_response_token {
OPAL_DTA_TOKENID_BYTESTRING = 0 xe0,
OPAL_DTA_TOKENID_SINT = 0 xe1,
OPAL_DTA_TOKENID_UINT = 0 xe2,
OPAL_DTA_TOKENID_TOKEN = 0 xe3, /* actual token is returned */
OPAL_DTA_TOKENID_INVALID = 0 X0
};
#define DTAERROR_NO_METHOD_STATUS 0 x89
#define GENERIC_HOST_SESSION_NUM 0 x41
#define FIRST_TPER_SESSION_NUM 4096
#define TPER_SYNC_SUPPORTED 0 x01
/* FC_LOCKING features */
#define LOCKING_SUPPORTED_MASK 0 x01
#define LOCKING_ENABLED_MASK 0 x02
#define LOCKED_MASK 0 x04
#define MBR_ENABLED_MASK 0 x10
#define MBR_DONE_MASK 0 x20
#define TINY_ATOM_DATA_MASK 0 x3F
#define TINY_ATOM_SIGNED 0 x40
#define SHORT_ATOM_ID 0 x80
#define SHORT_ATOM_BYTESTRING 0 x20
#define SHORT_ATOM_SIGNED 0 x10
#define SHORT_ATOM_LEN_MASK 0 xF
#define MEDIUM_ATOM_ID 0 xC0
#define MEDIUM_ATOM_BYTESTRING 0 x10
#define MEDIUM_ATOM_SIGNED 0 x8
#define MEDIUM_ATOM_LEN_MASK 0 x7
#define LONG_ATOM_ID 0 xe0
#define LONG_ATOM_BYTESTRING 0 x2
#define LONG_ATOM_SIGNED 0 x1
/* Derived from TCG Core spec 2.01 Section:
* 3 . 2 . 2 . 1
* Data Type
*/
#define TINY_ATOM_BYTE 0 x7F
#define SHORT_ATOM_BYTE 0 xBF
#define MEDIUM_ATOM_BYTE 0 xDF
#define LONG_ATOM_BYTE 0 xE3
#define EMPTY_ATOM_BYTE 0 xFF
#define OPAL_INVAL_PARAM 12
#define OPAL_MANUFACTURED_INACTIVE 0 x08
#define OPAL_DISCOVERY_COMID 0 x0001
#define LOCKING_RANGE_NON_GLOBAL 0 x03
/*
* User IDs used in the TCG storage SSCs
* Derived from : TCG_Storage_Architecture_Core_Spec_v2 . 01 _ r1 . 00
* Section : 6 . 3 Assigned UIDs
*/
#define OPAL_METHOD_LENGTH 8
#define OPAL_MSID_KEYLEN 15
#define OPAL_UID_LENGTH_HALF 4
/*
* Boolean operators from TCG Core spec 2 . 01 Section :
* 5 . 1 . 3 . 11
* Table 61
*/
#define OPAL_BOOLEAN_AND 0
#define OPAL_BOOLEAN_OR 1
#define OPAL_BOOLEAN_NOT 2
/* Enum to index OPALUID array */
enum opal_uid {
/* users */
OPAL_SMUID_UID,
OPAL_THISSP_UID,
OPAL_ADMINSP_UID,
OPAL_LOCKINGSP_UID,
OPAL_ENTERPRISE_LOCKINGSP_UID,
OPAL_ANYBODY_UID,
OPAL_SID_UID,
OPAL_ADMIN1_UID,
OPAL_USER1_UID,
OPAL_USER2_UID,
OPAL_PSID_UID,
OPAL_ENTERPRISE_BANDMASTER0_UID,
OPAL_ENTERPRISE_ERASEMASTER_UID,
/* tables */
OPAL_TABLE_TABLE,
OPAL_LOCKINGRANGE_GLOBAL,
OPAL_LOCKINGRANGE_ACE_START_TO_KEY,
OPAL_LOCKINGRANGE_ACE_RDLOCKED,
OPAL_LOCKINGRANGE_ACE_WRLOCKED,
OPAL_MBRCONTROL,
OPAL_MBR,
OPAL_AUTHORITY_TABLE,
OPAL_C_PIN_TABLE,
OPAL_LOCKING_INFO_TABLE,
OPAL_ENTERPRISE_LOCKING_INFO_TABLE,
OPAL_DATASTORE,
/* C_PIN_TABLE object ID's */
OPAL_C_PIN_MSID,
OPAL_C_PIN_SID,
OPAL_C_PIN_ADMIN1,
/* half UID's (only first 4 bytes used) */
OPAL_HALF_UID_AUTHORITY_OBJ_REF,
OPAL_HALF_UID_BOOLEAN_ACE,
/* omitted optional parameter */
OPAL_UID_HEXFF,
};
/* Enum for indexing the OPALMETHOD array */
enum opal_method {
OPAL_PROPERTIES,
OPAL_STARTSESSION,
OPAL_REVERT,
OPAL_ACTIVATE,
OPAL_EGET,
OPAL_ESET,
OPAL_NEXT,
OPAL_EAUTHENTICATE,
OPAL_GETACL,
OPAL_GENKEY,
OPAL_REVERTSP,
OPAL_GET,
OPAL_SET,
OPAL_AUTHENTICATE,
OPAL_RANDOM,
OPAL_ERASE,
};
enum opal_token {
/* Boolean */
OPAL_TRUE = 0 x01,
OPAL_FALSE = 0 x00,
OPAL_BOOLEAN_EXPR = 0 x03,
/* cellblocks */
OPAL_TABLE = 0 x00,
OPAL_STARTROW = 0 x01,
OPAL_ENDROW = 0 x02,
OPAL_STARTCOLUMN = 0 x03,
OPAL_ENDCOLUMN = 0 x04,
OPAL_VALUES = 0 x01,
/* table table */
OPAL_TABLE_UID = 0 x00,
OPAL_TABLE_NAME = 0 x01,
OPAL_TABLE_COMMON = 0 x02,
OPAL_TABLE_TEMPLATE = 0 x03,
OPAL_TABLE_KIND = 0 x04,
OPAL_TABLE_COLUMN = 0 x05,
OPAL_TABLE_COLUMNS = 0 x06,
OPAL_TABLE_ROWS = 0 x07,
OPAL_TABLE_ROWS_FREE = 0 x08,
OPAL_TABLE_ROW_BYTES = 0 x09,
OPAL_TABLE_LASTID = 0 x0A,
OPAL_TABLE_MIN = 0 x0B,
OPAL_TABLE_MAX = 0 x0C,
/* authority table */
OPAL_PIN = 0 x03,
/* locking tokens */
OPAL_RANGESTART = 0 x03,
OPAL_RANGELENGTH = 0 x04,
OPAL_READLOCKENABLED = 0 x05,
OPAL_WRITELOCKENABLED = 0 x06,
OPAL_READLOCKED = 0 x07,
OPAL_WRITELOCKED = 0 x08,
OPAL_ACTIVEKEY = 0 x0A,
/* lockingsp table */
OPAL_LIFECYCLE = 0 x06,
/* locking info table */
OPAL_MAXRANGES = 0 x04,
/* mbr control */
OPAL_MBRENABLE = 0 x01,
OPAL_MBRDONE = 0 x02,
/* properties */
OPAL_HOSTPROPERTIES = 0 x00,
/* atoms */
OPAL_STARTLIST = 0 xf0,
OPAL_ENDLIST = 0 xf1,
OPAL_STARTNAME = 0 xf2,
OPAL_ENDNAME = 0 xf3,
OPAL_CALL = 0 xf8,
OPAL_ENDOFDATA = 0 xf9,
OPAL_ENDOFSESSION = 0 xfa,
OPAL_STARTTRANSACTON = 0 xfb,
OPAL_ENDTRANSACTON = 0 xfC,
OPAL_EMPTYATOM = 0 xff,
OPAL_WHERE = 0 x00,
};
/* Locking state for a locking range */
enum opal_lockingstate {
OPAL_LOCKING_READWRITE = 0 x01,
OPAL_LOCKING_READONLY = 0 x02,
OPAL_LOCKING_LOCKED = 0 x03,
};
enum opal_parameter {
OPAL_SUM_SET_LIST = 0 x060000,
};
enum opal_revertlsp {
OPAL_KEEP_GLOBAL_RANGE_KEY = 0 x060000,
};
/* Packets derived from:
* TCG_Storage_Architecture_Core_Spec_v2 . 01 _ r1 . 00
* Secion : 3 . 2 . 3 ComPackets , Packets & Subpackets
*/
/* Comm Packet (header) for transmissions. */
struct opal_compacket {
__be32 reserved0;
u8 extendedComID[4 ];
__be32 outstandingData;
__be32 minTransfer;
__be32 length;
};
/* Packet structure. */
struct opal_packet {
__be32 tsn;
__be32 hsn;
__be32 seq_number;
__be16 reserved0;
__be16 ack_type;
__be32 acknowledgment;
__be32 length;
};
/* Data sub packet header */
struct opal_data_subpacket {
u8 reserved0[6 ];
__be16 kind;
__be32 length;
};
/* header of a response */
struct opal_header {
struct opal_compacket cp;
struct opal_packet pkt;
struct opal_data_subpacket subpkt;
};
#define FC_TPER 0 x0001
#define FC_LOCKING 0 x0002
#define FC_GEOMETRY 0 x0003
#define FC_ENTERPRISE 0 x0100
#define FC_DATASTORE 0 x0202
#define FC_SINGLEUSER 0 x0201
#define FC_OPALV100 0 x0200
#define FC_OPALV200 0 x0203
/*
* The Discovery 0 Header . As defined in
* Opal SSC Documentation
* Section : 3 . 3 . 5 Capability Discovery
*/
struct d0_header {
__be32 length; /* the length of the header 48 in 2.00.100 */
__be32 revision; /**< revision of the header 1 in 2.00.100 */
__be32 reserved01;
__be32 reserved02;
/*
* the remainder of the structure is vendor specific and will not be
* addressed now
*/
u8 ignored[32 ];
};
/*
* TPer Feature Descriptor . Contains flags indicating support for the
* TPer features described in the OPAL specification . The names match the
* OPAL terminology
*
* code = = 0 x001 in 2 . 00 . 100
*/
struct d0_tper_features {
/*
* supported_features bits :
* bit 7 : reserved
* bit 6 : com ID management
* bit 5 : reserved
* bit 4 : streaming support
* bit 3 : buffer management
* bit 2 : ACK / NACK
* bit 1 : async
* bit 0 : sync
*/
u8 supported_features;
/*
* bytes 5 through 15 are reserved , but we represent the first 3 as
* u8 to keep the other two 32 bits integers aligned .
*/
u8 reserved01[3 ];
__be32 reserved02;
__be32 reserved03;
};
/*
* Locking Feature Descriptor . Contains flags indicating support for the
* locking features described in the OPAL specification . The names match the
* OPAL terminology
*
* code = = 0 x0002 in 2 . 00 . 100
*/
struct d0_locking_features {
/*
* supported_features bits :
* bits 6 - 7 : reserved
* bit 5 : MBR done
* bit 4 : MBR enabled
* bit 3 : media encryption
* bit 2 : locked
* bit 1 : locking enabled
* bit 0 : locking supported
*/
u8 supported_features;
/*
* bytes 5 through 15 are reserved , but we represent the first 3 as
* u8 to keep the other two 32 bits integers aligned .
*/
u8 reserved01[3 ];
__be32 reserved02;
__be32 reserved03;
};
/*
* Geometry Feature Descriptor . Contains flags indicating support for the
* geometry features described in the OPAL specification . The names match the
* OPAL terminology
*
* code = = 0 x0003 in 2 . 00 . 100
*/
struct d0_geometry_features {
/*
* skip 32 bits from header , needed to align the struct to 64 bits .
*/
u8 header[4 ];
/*
* reserved01 :
* bits 1 - 6 : reserved
* bit 0 : align
*/
u8 reserved01;
u8 reserved02[7 ];
__be32 logical_block_size;
__be64 alignment_granularity;
__be64 lowest_aligned_lba;
};
/*
* Enterprise SSC Feature
*
* code = = 0 x0100
*/
struct d0_enterprise_ssc {
__be16 baseComID;
__be16 numComIDs;
/* range_crossing:
* bits 1 - 6 : reserved
* bit 0 : range crossing
*/
u8 range_crossing;
u8 reserved01;
__be16 reserved02;
__be32 reserved03;
__be32 reserved04;
};
/*
* Opal V1 feature
*
* code = = 0 x0200
*/
struct d0_opal_v100 {
__be16 baseComID;
__be16 numComIDs;
};
/*
* Single User Mode feature
*
* code = = 0 x0201
*/
struct d0_single_user_mode {
__be32 num_locking_objects;
/* reserved01:
* bit 0 : any
* bit 1 : all
* bit 2 : policy
* bits 3 - 7 : reserved
*/
u8 reserved01;
u8 reserved02;
__be16 reserved03;
__be32 reserved04;
};
/*
* Additonal Datastores feature
*
* code = = 0 x0202
*/
struct d0_datastore_table {
__be16 reserved01;
__be16 max_tables;
__be32 max_size_tables;
__be32 table_size_alignment;
};
/*
* OPAL 2 . 0 feature
*
* code = = 0 x0203
*/
struct d0_opal_v200 {
__be16 baseComID;
__be16 numComIDs;
/* range_crossing:
* bits 1 - 6 : reserved
* bit 0 : range crossing
*/
u8 range_crossing;
/* num_locking_admin_auth:
* not aligned to 16 bits , so use two u8 .
* stored in big endian :
* 0 : MSB
* 1 : LSB
*/
u8 num_locking_admin_auth[2 ];
/* num_locking_user_auth:
* not aligned to 16 bits , so use two u8 .
* stored in big endian :
* 0 : MSB
* 1 : LSB
*/
u8 num_locking_user_auth[2 ];
u8 initialPIN;
u8 revertedPIN;
u8 reserved01;
__be32 reserved02;
};
/* Union of features used to parse the discovery 0 response */
struct d0_features {
__be16 code;
/*
* r_version bits :
* bits 4 - 7 : version
* bits 0 - 3 : reserved
*/
u8 r_version;
u8 length;
u8 features[];
};
#endif /* _OPAL_PROTO_H */
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