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5c82efc1ae
This is used in conjunction with IOC_OPAL_REVERT_TPR to return a drive to Original Factory State without erasing the data. If IOC_OPAL_REVERT_LSP is called with opal_revert_lsp.options bit OPAL_PRESERVE set prior to calling IOC_OPAL_REVERT_TPR, the drive global locking range will not be erased. Signed-off-by: Greg Joyce <gjoyce@linux.vnet.ibm.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jonathan Derrick <jonathan.derrick@linux.dev> Acked-by: Jarkko Sakkinen <jarkko@kernel.org> Link: https://lore.kernel.org/r/20230721211534.3437070-3-gjoyce@linux.vnet.ibm.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
484 lines
9.8 KiB
C
484 lines
9.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright © 2016 Intel Corporation
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*
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* Authors:
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* Rafael Antognolli <rafael.antognolli@intel.com>
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* Scott Bauer <scott.bauer@intel.com>
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*/
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#include <linux/types.h>
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#ifndef _OPAL_PROTO_H
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#define _OPAL_PROTO_H
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/*
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* These constant values come from:
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* SPC-4 section
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* 6.30 SECURITY PROTOCOL IN command / table 265.
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*/
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enum {
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TCG_SECP_00 = 0,
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TCG_SECP_01,
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};
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/*
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* Token defs derived from:
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* TCG_Storage_Architecture_Core_Spec_v2.01_r1.00
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* 3.2.2 Data Stream Encoding
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*/
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enum opal_response_token {
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OPAL_DTA_TOKENID_BYTESTRING = 0xe0,
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OPAL_DTA_TOKENID_SINT = 0xe1,
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OPAL_DTA_TOKENID_UINT = 0xe2,
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OPAL_DTA_TOKENID_TOKEN = 0xe3, /* actual token is returned */
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OPAL_DTA_TOKENID_INVALID = 0X0
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};
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#define DTAERROR_NO_METHOD_STATUS 0x89
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#define GENERIC_HOST_SESSION_NUM 0x41
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#define FIRST_TPER_SESSION_NUM 4096
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#define TPER_SYNC_SUPPORTED 0x01
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/* FC_LOCKING features */
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#define LOCKING_SUPPORTED_MASK 0x01
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#define LOCKING_ENABLED_MASK 0x02
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#define LOCKED_MASK 0x04
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#define MBR_ENABLED_MASK 0x10
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#define MBR_DONE_MASK 0x20
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#define TINY_ATOM_DATA_MASK 0x3F
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#define TINY_ATOM_SIGNED 0x40
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#define SHORT_ATOM_ID 0x80
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#define SHORT_ATOM_BYTESTRING 0x20
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#define SHORT_ATOM_SIGNED 0x10
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#define SHORT_ATOM_LEN_MASK 0xF
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#define MEDIUM_ATOM_ID 0xC0
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#define MEDIUM_ATOM_BYTESTRING 0x10
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#define MEDIUM_ATOM_SIGNED 0x8
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#define MEDIUM_ATOM_LEN_MASK 0x7
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#define LONG_ATOM_ID 0xe0
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#define LONG_ATOM_BYTESTRING 0x2
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#define LONG_ATOM_SIGNED 0x1
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/* Derived from TCG Core spec 2.01 Section:
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* 3.2.2.1
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* Data Type
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*/
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#define TINY_ATOM_BYTE 0x7F
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#define SHORT_ATOM_BYTE 0xBF
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#define MEDIUM_ATOM_BYTE 0xDF
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#define LONG_ATOM_BYTE 0xE3
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#define OPAL_INVAL_PARAM 12
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#define OPAL_MANUFACTURED_INACTIVE 0x08
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#define OPAL_DISCOVERY_COMID 0x0001
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#define LOCKING_RANGE_NON_GLOBAL 0x03
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/*
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* User IDs used in the TCG storage SSCs
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* Derived from: TCG_Storage_Architecture_Core_Spec_v2.01_r1.00
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* Section: 6.3 Assigned UIDs
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*/
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#define OPAL_METHOD_LENGTH 8
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#define OPAL_MSID_KEYLEN 15
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#define OPAL_UID_LENGTH_HALF 4
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/*
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* Boolean operators from TCG Core spec 2.01 Section:
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* 5.1.3.11
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* Table 61
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*/
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#define OPAL_BOOLEAN_AND 0
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#define OPAL_BOOLEAN_OR 1
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#define OPAL_BOOLEAN_NOT 2
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/* Enum to index OPALUID array */
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enum opal_uid {
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/* users */
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OPAL_SMUID_UID,
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OPAL_THISSP_UID,
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OPAL_ADMINSP_UID,
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OPAL_LOCKINGSP_UID,
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OPAL_ENTERPRISE_LOCKINGSP_UID,
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OPAL_ANYBODY_UID,
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OPAL_SID_UID,
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OPAL_ADMIN1_UID,
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OPAL_USER1_UID,
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OPAL_USER2_UID,
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OPAL_PSID_UID,
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OPAL_ENTERPRISE_BANDMASTER0_UID,
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OPAL_ENTERPRISE_ERASEMASTER_UID,
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/* tables */
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OPAL_TABLE_TABLE,
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OPAL_LOCKINGRANGE_GLOBAL,
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OPAL_LOCKINGRANGE_ACE_START_TO_KEY,
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OPAL_LOCKINGRANGE_ACE_RDLOCKED,
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OPAL_LOCKINGRANGE_ACE_WRLOCKED,
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OPAL_MBRCONTROL,
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OPAL_MBR,
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OPAL_AUTHORITY_TABLE,
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OPAL_C_PIN_TABLE,
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OPAL_LOCKING_INFO_TABLE,
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OPAL_ENTERPRISE_LOCKING_INFO_TABLE,
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OPAL_DATASTORE,
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/* C_PIN_TABLE object ID's */
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OPAL_C_PIN_MSID,
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OPAL_C_PIN_SID,
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OPAL_C_PIN_ADMIN1,
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/* half UID's (only first 4 bytes used) */
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OPAL_HALF_UID_AUTHORITY_OBJ_REF,
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OPAL_HALF_UID_BOOLEAN_ACE,
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/* omitted optional parameter */
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OPAL_UID_HEXFF,
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};
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/* Enum for indexing the OPALMETHOD array */
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enum opal_method {
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OPAL_PROPERTIES,
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OPAL_STARTSESSION,
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OPAL_REVERT,
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OPAL_ACTIVATE,
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OPAL_EGET,
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OPAL_ESET,
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OPAL_NEXT,
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OPAL_EAUTHENTICATE,
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OPAL_GETACL,
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OPAL_GENKEY,
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OPAL_REVERTSP,
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OPAL_GET,
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OPAL_SET,
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OPAL_AUTHENTICATE,
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OPAL_RANDOM,
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OPAL_ERASE,
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};
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enum opal_token {
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/* Boolean */
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OPAL_TRUE = 0x01,
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OPAL_FALSE = 0x00,
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OPAL_BOOLEAN_EXPR = 0x03,
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/* cellblocks */
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OPAL_TABLE = 0x00,
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OPAL_STARTROW = 0x01,
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OPAL_ENDROW = 0x02,
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OPAL_STARTCOLUMN = 0x03,
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OPAL_ENDCOLUMN = 0x04,
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OPAL_VALUES = 0x01,
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/* table table */
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OPAL_TABLE_UID = 0x00,
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OPAL_TABLE_NAME = 0x01,
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OPAL_TABLE_COMMON = 0x02,
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OPAL_TABLE_TEMPLATE = 0x03,
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OPAL_TABLE_KIND = 0x04,
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OPAL_TABLE_COLUMN = 0x05,
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OPAL_TABLE_COLUMNS = 0x06,
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OPAL_TABLE_ROWS = 0x07,
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OPAL_TABLE_ROWS_FREE = 0x08,
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OPAL_TABLE_ROW_BYTES = 0x09,
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OPAL_TABLE_LASTID = 0x0A,
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OPAL_TABLE_MIN = 0x0B,
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OPAL_TABLE_MAX = 0x0C,
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/* authority table */
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OPAL_PIN = 0x03,
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/* locking tokens */
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OPAL_RANGESTART = 0x03,
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OPAL_RANGELENGTH = 0x04,
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OPAL_READLOCKENABLED = 0x05,
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OPAL_WRITELOCKENABLED = 0x06,
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OPAL_READLOCKED = 0x07,
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OPAL_WRITELOCKED = 0x08,
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OPAL_ACTIVEKEY = 0x0A,
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/* lockingsp table */
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OPAL_LIFECYCLE = 0x06,
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/* locking info table */
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OPAL_MAXRANGES = 0x04,
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/* mbr control */
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OPAL_MBRENABLE = 0x01,
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OPAL_MBRDONE = 0x02,
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/* properties */
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OPAL_HOSTPROPERTIES = 0x00,
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/* atoms */
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OPAL_STARTLIST = 0xf0,
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OPAL_ENDLIST = 0xf1,
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OPAL_STARTNAME = 0xf2,
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OPAL_ENDNAME = 0xf3,
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OPAL_CALL = 0xf8,
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OPAL_ENDOFDATA = 0xf9,
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OPAL_ENDOFSESSION = 0xfa,
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OPAL_STARTTRANSACTON = 0xfb,
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OPAL_ENDTRANSACTON = 0xfC,
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OPAL_EMPTYATOM = 0xff,
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OPAL_WHERE = 0x00,
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};
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/* Locking state for a locking range */
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enum opal_lockingstate {
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OPAL_LOCKING_READWRITE = 0x01,
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OPAL_LOCKING_READONLY = 0x02,
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OPAL_LOCKING_LOCKED = 0x03,
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};
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enum opal_parameter {
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OPAL_SUM_SET_LIST = 0x060000,
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};
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enum opal_revertlsp {
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OPAL_KEEP_GLOBAL_RANGE_KEY = 0x060000,
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};
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/* Packets derived from:
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* TCG_Storage_Architecture_Core_Spec_v2.01_r1.00
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* Secion: 3.2.3 ComPackets, Packets & Subpackets
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*/
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/* Comm Packet (header) for transmissions. */
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struct opal_compacket {
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__be32 reserved0;
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u8 extendedComID[4];
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__be32 outstandingData;
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__be32 minTransfer;
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__be32 length;
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};
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/* Packet structure. */
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struct opal_packet {
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__be32 tsn;
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__be32 hsn;
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__be32 seq_number;
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__be16 reserved0;
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__be16 ack_type;
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__be32 acknowledgment;
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__be32 length;
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};
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/* Data sub packet header */
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struct opal_data_subpacket {
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u8 reserved0[6];
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__be16 kind;
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__be32 length;
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};
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/* header of a response */
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struct opal_header {
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struct opal_compacket cp;
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struct opal_packet pkt;
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struct opal_data_subpacket subpkt;
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};
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#define FC_TPER 0x0001
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#define FC_LOCKING 0x0002
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#define FC_GEOMETRY 0x0003
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#define FC_ENTERPRISE 0x0100
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#define FC_DATASTORE 0x0202
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#define FC_SINGLEUSER 0x0201
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#define FC_OPALV100 0x0200
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#define FC_OPALV200 0x0203
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/*
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* The Discovery 0 Header. As defined in
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* Opal SSC Documentation
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* Section: 3.3.5 Capability Discovery
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*/
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struct d0_header {
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__be32 length; /* the length of the header 48 in 2.00.100 */
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__be32 revision; /**< revision of the header 1 in 2.00.100 */
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__be32 reserved01;
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__be32 reserved02;
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/*
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* the remainder of the structure is vendor specific and will not be
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* addressed now
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*/
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u8 ignored[32];
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};
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/*
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* TPer Feature Descriptor. Contains flags indicating support for the
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* TPer features described in the OPAL specification. The names match the
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* OPAL terminology
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*
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* code == 0x001 in 2.00.100
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*/
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struct d0_tper_features {
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/*
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* supported_features bits:
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* bit 7: reserved
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* bit 6: com ID management
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* bit 5: reserved
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* bit 4: streaming support
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* bit 3: buffer management
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* bit 2: ACK/NACK
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* bit 1: async
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* bit 0: sync
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*/
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u8 supported_features;
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/*
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* bytes 5 through 15 are reserved, but we represent the first 3 as
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* u8 to keep the other two 32bits integers aligned.
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*/
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u8 reserved01[3];
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__be32 reserved02;
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__be32 reserved03;
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};
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/*
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* Locking Feature Descriptor. Contains flags indicating support for the
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* locking features described in the OPAL specification. The names match the
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* OPAL terminology
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*
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* code == 0x0002 in 2.00.100
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*/
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struct d0_locking_features {
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/*
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* supported_features bits:
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* bits 6-7: reserved
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* bit 5: MBR done
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* bit 4: MBR enabled
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* bit 3: media encryption
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* bit 2: locked
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* bit 1: locking enabled
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* bit 0: locking supported
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*/
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u8 supported_features;
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/*
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* bytes 5 through 15 are reserved, but we represent the first 3 as
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* u8 to keep the other two 32bits integers aligned.
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*/
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u8 reserved01[3];
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__be32 reserved02;
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__be32 reserved03;
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};
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/*
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* Geometry Feature Descriptor. Contains flags indicating support for the
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* geometry features described in the OPAL specification. The names match the
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* OPAL terminology
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*
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* code == 0x0003 in 2.00.100
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*/
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struct d0_geometry_features {
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/*
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* skip 32 bits from header, needed to align the struct to 64 bits.
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*/
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u8 header[4];
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/*
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* reserved01:
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* bits 1-6: reserved
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* bit 0: align
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*/
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u8 reserved01;
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u8 reserved02[7];
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__be32 logical_block_size;
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__be64 alignment_granularity;
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__be64 lowest_aligned_lba;
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};
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/*
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* Enterprise SSC Feature
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*
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* code == 0x0100
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*/
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struct d0_enterprise_ssc {
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__be16 baseComID;
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__be16 numComIDs;
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/* range_crossing:
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* bits 1-6: reserved
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* bit 0: range crossing
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*/
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u8 range_crossing;
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u8 reserved01;
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__be16 reserved02;
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__be32 reserved03;
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__be32 reserved04;
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};
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/*
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* Opal V1 feature
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*
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* code == 0x0200
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*/
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struct d0_opal_v100 {
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__be16 baseComID;
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__be16 numComIDs;
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};
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/*
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* Single User Mode feature
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*
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* code == 0x0201
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*/
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struct d0_single_user_mode {
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__be32 num_locking_objects;
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/* reserved01:
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* bit 0: any
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* bit 1: all
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* bit 2: policy
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* bits 3-7: reserved
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*/
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u8 reserved01;
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u8 reserved02;
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__be16 reserved03;
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__be32 reserved04;
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};
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/*
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* Additonal Datastores feature
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*
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* code == 0x0202
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*/
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struct d0_datastore_table {
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__be16 reserved01;
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__be16 max_tables;
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__be32 max_size_tables;
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__be32 table_size_alignment;
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};
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/*
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* OPAL 2.0 feature
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*
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* code == 0x0203
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*/
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struct d0_opal_v200 {
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__be16 baseComID;
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__be16 numComIDs;
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/* range_crossing:
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* bits 1-6: reserved
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* bit 0: range crossing
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*/
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u8 range_crossing;
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/* num_locking_admin_auth:
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* not aligned to 16 bits, so use two u8.
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* stored in big endian:
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* 0: MSB
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* 1: LSB
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*/
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u8 num_locking_admin_auth[2];
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/* num_locking_user_auth:
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* not aligned to 16 bits, so use two u8.
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* stored in big endian:
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* 0: MSB
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* 1: LSB
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*/
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u8 num_locking_user_auth[2];
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u8 initialPIN;
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u8 revertedPIN;
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u8 reserved01;
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__be32 reserved02;
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};
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/* Union of features used to parse the discovery 0 response */
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struct d0_features {
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__be16 code;
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/*
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* r_version bits:
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* bits 4-7: version
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* bits 0-3: reserved
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*/
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u8 r_version;
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u8 length;
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u8 features[];
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};
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#endif /* _OPAL_PROTO_H */
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