mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-22 15:16:57 +07:00
d8f51227f3
Currently, on card response failures a combination of card domain and domain id is recorded in the kernel messages. According to the message description only the card id will be recorded. The domain id is not relevant, since the whole card including all domains is set offline. Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
144 lines
4.9 KiB
C
144 lines
4.9 KiB
C
/*
|
|
* zcrypt 2.1.0
|
|
*
|
|
* 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>
|
|
*
|
|
* 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_ERROR_H_
|
|
#define _ZCRYPT_ERROR_H_
|
|
|
|
#include <linux/atomic.h>
|
|
#include "zcrypt_debug.h"
|
|
#include "zcrypt_api.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_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_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_device *zdev,
|
|
struct ap_message *reply)
|
|
{
|
|
struct error_hdr *ehdr = reply->message;
|
|
|
|
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:
|
|
// REP88_ERROR_INVALID_KEY // '82' CEX2A
|
|
// REP88_ERROR_OPERAND // '84' CEX2A
|
|
// REP88_ERROR_OPERAND_EVEN_MOD // '85' CEX2A
|
|
/* Invalid input data. */
|
|
return -EINVAL;
|
|
case REP82_ERROR_MESSAGE_TYPE:
|
|
// REP88_ERROR_MESSAGE_TYPE // '20' CEX2A
|
|
/*
|
|
* To sent a message of the wrong type is a bug in the
|
|
* device driver. Send error msg, disable the device
|
|
* and then repeat the request.
|
|
*/
|
|
atomic_set(&zcrypt_rescan_req, 1);
|
|
zdev->online = 0;
|
|
pr_err("Cryptographic device %x failed and was set offline\n",
|
|
AP_QID_DEVICE(zdev->ap_dev->qid));
|
|
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
|
|
AP_QID_DEVICE(zdev->ap_dev->qid), zdev->online,
|
|
ehdr->reply_code);
|
|
return -EAGAIN;
|
|
case REP82_ERROR_TRANSPORT_FAIL:
|
|
case REP82_ERROR_MACHINE_FAILURE:
|
|
// REP88_ERROR_MODULE_FAILURE // '10' CEX2A
|
|
/* If a card fails disable it and repeat the request. */
|
|
atomic_set(&zcrypt_rescan_req, 1);
|
|
zdev->online = 0;
|
|
pr_err("Cryptographic device %x failed and was set offline\n",
|
|
AP_QID_DEVICE(zdev->ap_dev->qid));
|
|
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
|
|
AP_QID_DEVICE(zdev->ap_dev->qid), zdev->online,
|
|
ehdr->reply_code);
|
|
return -EAGAIN;
|
|
default:
|
|
zdev->online = 0;
|
|
pr_err("Cryptographic device %x failed and was set offline\n",
|
|
AP_QID_DEVICE(zdev->ap_dev->qid));
|
|
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
|
|
AP_QID_DEVICE(zdev->ap_dev->qid), zdev->online,
|
|
ehdr->reply_code);
|
|
return -EAGAIN; /* repeat the request on a different device. */
|
|
}
|
|
}
|
|
|
|
#endif /* _ZCRYPT_ERROR_H_ */
|