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