/* * linux/drivers/s390/crypto/zcrypt_pcicc.h * * zcrypt 2.1.0 * * Copyright (C) 2001, 2006 IBM Corporation * Author(s): Robert Burroughs * Eric Rossman (edrossma@us.ibm.com) * * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _ZCRYPT_PCICC_H_ #define _ZCRYPT_PCICC_H_ /** * The type 6 message family is associated with PCICC or PCIXCC cards. * * It contains a message header followed by a CPRB, both of which * are described below. * * Note that all reserved fields must be zeroes. */ struct type6_hdr { unsigned char reserved1; /* 0x00 */ unsigned char type; /* 0x06 */ unsigned char reserved2[2]; /* 0x0000 */ unsigned char right[4]; /* 0x00000000 */ unsigned char reserved3[2]; /* 0x0000 */ unsigned char reserved4[2]; /* 0x0000 */ unsigned char apfs[4]; /* 0x00000000 */ unsigned int offset1; /* 0x00000058 (offset to CPRB) */ unsigned int offset2; /* 0x00000000 */ unsigned int offset3; /* 0x00000000 */ unsigned int offset4; /* 0x00000000 */ unsigned char agent_id[16]; /* PCICC: */ /* 0x0100 */ /* 0x4343412d4150504c202020 */ /* 0x010101 */ /* PCIXCC: */ /* 0x4341000000000000 */ /* 0x0000000000000000 */ unsigned char rqid[2]; /* rqid. internal to 603 */ unsigned char reserved5[2]; /* 0x0000 */ unsigned char function_code[2]; /* for PKD, 0x5044 (ascii 'PD') */ unsigned char reserved6[2]; /* 0x0000 */ unsigned int ToCardLen1; /* (request CPRB len + 3) & -4 */ unsigned int ToCardLen2; /* db len 0x00000000 for PKD */ unsigned int ToCardLen3; /* 0x00000000 */ unsigned int ToCardLen4; /* 0x00000000 */ unsigned int FromCardLen1; /* response buffer length */ unsigned int FromCardLen2; /* db len 0x00000000 for PKD */ unsigned int FromCardLen3; /* 0x00000000 */ unsigned int FromCardLen4; /* 0x00000000 */ } __attribute__((packed)); /** * CPRB * Note that all shorts, ints and longs are little-endian. * All pointer fields are 32-bits long, and mean nothing * * A request CPRB is followed by a request_parameter_block. * * The request (or reply) parameter block is organized thus: * function code * VUD block * key block */ struct CPRB { unsigned short cprb_len; /* CPRB length */ unsigned char cprb_ver_id; /* CPRB version id. */ unsigned char pad_000; /* Alignment pad byte. */ unsigned char srpi_rtcode[4]; /* SRPI return code LELONG */ unsigned char srpi_verb; /* SRPI verb type */ unsigned char flags; /* flags */ unsigned char func_id[2]; /* function id */ unsigned char checkpoint_flag; /* */ unsigned char resv2; /* reserved */ unsigned short req_parml; /* request parameter buffer */ /* length 16-bit little endian */ unsigned char req_parmp[4]; /* request parameter buffer * * pointer (means nothing: the * * parameter buffer follows * * the CPRB). */ unsigned char req_datal[4]; /* request data buffer */ /* length ULELONG */ unsigned char req_datap[4]; /* request data buffer */ /* pointer */ unsigned short rpl_parml; /* reply parameter buffer */ /* length 16-bit little endian */ unsigned char pad_001[2]; /* Alignment pad bytes. ULESHORT */ unsigned char rpl_parmp[4]; /* reply parameter buffer * * pointer (means nothing: the * * parameter buffer follows * * the CPRB). */ unsigned char rpl_datal[4]; /* reply data buffer len ULELONG */ unsigned char rpl_datap[4]; /* reply data buffer */ /* pointer */ unsigned short ccp_rscode; /* server reason code ULESHORT */ unsigned short ccp_rtcode; /* server return code ULESHORT */ unsigned char repd_parml[2]; /* replied parameter len ULESHORT*/ unsigned char mac_data_len[2]; /* Mac Data Length ULESHORT */ unsigned char repd_datal[4]; /* replied data length ULELONG */ unsigned char req_pc[2]; /* PC identifier */ unsigned char res_origin[8]; /* resource origin */ unsigned char mac_value[8]; /* Mac Value */ unsigned char logon_id[8]; /* Logon Identifier */ unsigned char usage_domain[2]; /* cdx */ unsigned char resv3[18]; /* reserved for requestor */ unsigned short svr_namel; /* server name length ULESHORT */ unsigned char svr_name[8]; /* server name */ } __attribute__((packed)); /** * The type 86 message family is associated with PCICC and PCIXCC cards. * * It contains a message header followed by a CPRB. The CPRB is * the same as the request CPRB, which is described above. * * If format is 1, an error condition exists and no data beyond * the 8-byte message header is of interest. * * The non-error message is shown below. * * Note that all reserved fields must be zeroes. */ struct type86_hdr { unsigned char reserved1; /* 0x00 */ unsigned char type; /* 0x86 */ unsigned char format; /* 0x01 (error) or 0x02 (ok) */ unsigned char reserved2; /* 0x00 */ unsigned char reply_code; /* reply code (see above) */ unsigned char reserved3[3]; /* 0x000000 */ } __attribute__((packed)); #define TYPE86_RSP_CODE 0x86 #define TYPE86_FMT2 0x02 struct type86_fmt2_ext { unsigned char reserved[4]; /* 0x00000000 */ unsigned char apfs[4]; /* final status */ unsigned int count1; /* length of CPRB + parameters */ unsigned int offset1; /* offset to CPRB */ unsigned int count2; /* 0x00000000 */ unsigned int offset2; /* db offset 0x00000000 for PKD */ unsigned int count3; /* 0x00000000 */ unsigned int offset3; /* 0x00000000 */ unsigned int count4; /* 0x00000000 */ unsigned int offset4; /* 0x00000000 */ } __attribute__((packed)); struct function_and_rules_block { unsigned char function_code[2]; unsigned short ulen; unsigned char only_rule[8]; } __attribute__((packed)); int zcrypt_pcicc_init(void); void zcrypt_pcicc_exit(void); #endif /* _ZCRYPT_PCICC_H_ */