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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright IBM Corp. 2001, 2012
* 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>
* MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com>
*/
#ifndef _ZCRYPT_MSGTYPE6_H_
#define _ZCRYPT_MSGTYPE6_H_
#include <asm/zcrypt.h>
#define MSGTYPE06_NAME "zcrypt_msgtype6"
#define MSGTYPE06_VARIANT_DEFAULT 0
#define MSGTYPE06_VARIANT_NORNG 1
#define MSGTYPE06_VARIANT_EP11 2
/**
* The type 6 message family is associated with CEXxC/CEXxP 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 int apfs; /* 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]; /* 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 */
} __packed;
/**
* The type 86 message family is associated with CEXxC/CEXxP 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 */
} __packed;
#define TYPE86_RSP_CODE 0x86
#define TYPE87_RSP_CODE 0x87
#define TYPE86_FMT2 0x02
struct type86_fmt2_ext {
unsigned char reserved[4]; /* 0x00000000 */
unsigned int apfs; /* 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 */
} __packed;
int prep_cca_ap_msg(bool userspace, struct ica_xcRB *xcrb,
struct ap_message *ap_msg,
unsigned int *fc, unsigned int *dom);
int prep_ep11_ap_msg(bool userspace, struct ep11_urb *xcrb,
struct ap_message *ap_msg,
unsigned int *fc, unsigned int *dom);
int prep_rng_ap_msg(struct ap_message *ap_msg,
int *fc, unsigned int *dom);
#define LOW 10
#define MEDIUM 100
#define HIGH 500
int speed_idx_cca(int);
int speed_idx_ep11(int);
void zcrypt_msgtype6_init(void);
void zcrypt_msgtype6_exit(void);
#endif /* _ZCRYPT_MSGTYPE6_H_ */
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