linux-imx

/* SPDX-License-Identifier: GPL-2.0+ */

/*

 *  Copyright IBM Corp. 2001, 2006

 *  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>

 */

​

#ifndef _ZCRYPT_ERROR_H_

#define _ZCRYPT_ERROR_H_

​

#include <linux/atomic.h>

#include "zcrypt_debug.h"

#include "zcrypt_api.h"

#include "zcrypt_msgtype6.h"

​

/**

 * Reply Messages

 *

 * Error reply messages are of two types:

 *    82:  Error (see below)

 *    88:  Error (see below)

 * Both type 82 and type 88 have the same structure in the header.

 *

 * Request reply messages are of three known types:

 *    80:  Reply from a Type 50 Request (see CEX2A-RELATED STRUCTS)

 *    84:  Reply from a Type 4 Request (see PCICA-RELATED STRUCTS)

 *    86:  Reply from a Type 6 Request (see PCICC/PCIXCC/CEX2C-RELATED STRUCTS)

 *

 */

struct error_hdr {

    unsigned char reserved1;    /* 0x00         */

    unsigned char type;     /* 0x82 or 0x88     */

    unsigned char reserved2[2]; /* 0x0000       */

    unsigned char reply_code;   /* reply code       */

    unsigned char reserved3[3]; /* 0x000000     */

};

​

#define TYPE82_RSP_CODE 0x82

#define TYPE88_RSP_CODE 0x88

​

#define REP82_ERROR_MACHINE_FAILURE     0x10

#define REP82_ERROR_PREEMPT_FAILURE     0x12

#define REP82_ERROR_CHECKPT_FAILURE     0x14

#define REP82_ERROR_MESSAGE_TYPE        0x20

#define REP82_ERROR_INVALID_COMM_CD     0x21 /* Type 84 */

#define REP82_ERROR_INVALID_MSG_LEN     0x23

#define REP82_ERROR_RESERVD_FIELD       0x24 /* was 0x50    */

#define REP82_ERROR_FORMAT_FIELD        0x29

#define REP82_ERROR_INVALID_COMMAND     0x30

#define REP82_ERROR_MALFORMED_MSG       0x40

#define REP82_ERROR_INVALID_SPECIAL_CMD     0x41

#define REP82_ERROR_INVALID_DOMAIN_PRECHECK 0x42

#define REP82_ERROR_RESERVED_FIELDO     0x50 /* old value   */

#define REP82_ERROR_WORD_ALIGNMENT      0x60

#define REP82_ERROR_MESSAGE_LENGTH      0x80

#define REP82_ERROR_OPERAND_INVALID     0x82

#define REP82_ERROR_OPERAND_SIZE        0x84

#define REP82_ERROR_EVEN_MOD_IN_OPND        0x85

#define REP82_ERROR_RESERVED_FIELD      0x88

#define REP82_ERROR_INVALID_DOMAIN_PENDING  0x8A

#define REP82_ERROR_TRANSPORT_FAIL      0x90

#define REP82_ERROR_PACKET_TRUNCATED        0xA0

#define REP82_ERROR_ZERO_BUFFER_LEN     0xB0

​

#define REP88_ERROR_MODULE_FAILURE      0x10

​

#define REP88_ERROR_MESSAGE_TYPE        0x20

#define REP88_ERROR_MESSAGE_MALFORMD        0x22

#define REP88_ERROR_MESSAGE_LENGTH      0x23

#define REP88_ERROR_RESERVED_FIELD      0x24

#define REP88_ERROR_KEY_TYPE            0x34

#define REP88_ERROR_INVALID_KEY     0x82 /* CEX2A   */

#define REP88_ERROR_OPERAND         0x84 /* CEX2A   */

#define REP88_ERROR_OPERAND_EVEN_MOD        0x85 /* CEX2A   */

​

static inline int convert_error(struct zcrypt_queue *zq,

                struct ap_message *reply)

{

    struct error_hdr *ehdr = reply->message;

    int card = AP_QID_CARD(zq->queue->qid);

    int queue = AP_QID_QUEUE(zq->queue->qid);

​

    switch (ehdr->reply_code) {

    case REP82_ERROR_OPERAND_INVALID:

    case REP82_ERROR_OPERAND_SIZE:

    case REP82_ERROR_EVEN_MOD_IN_OPND:

    case REP88_ERROR_MESSAGE_MALFORMD:

    case REP82_ERROR_INVALID_DOMAIN_PRECHECK:

    case REP82_ERROR_INVALID_DOMAIN_PENDING: