Merge git://git.infradead.org/mtd-2.6
[deliverable/linux.git] / drivers / s390 / crypto / z90crypt.h
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1/*
2 * linux/drivers/s390/crypto/z90crypt.h
3 *
80b9192e 4 * z90crypt 1.3.3 (kernel-private header)
1da177e4 5 *
88fbf183 6 * Copyright (C) 2001, 2005 IBM Corporation
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7 * Author(s): Robert Burroughs (burrough@us.ibm.com)
8 * Eric Rossman (edrossma@us.ibm.com)
9 *
10 * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2, or (at your option)
15 * any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 */
26
27#ifndef _Z90CRYPT_H_
28#define _Z90CRYPT_H_
29
80b9192e 30#include <asm/z90crypt.h>
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31
32/**
33 * local errno definitions
34 */
35#define ENOBUFF 129 // filp->private_data->...>work_elem_p->buffer is NULL
36#define EWORKPEND 130 // user issues ioctl while another pending
37#define ERELEASED 131 // user released while ioctl pending
38#define EQUIESCE 132 // z90crypt quiescing (no more work allowed)
39#define ETIMEOUT 133 // request timed out
40#define EUNKNOWN 134 // some unrecognized error occured (retry may succeed)
41#define EGETBUFF 135 // Error getting buffer or hardware lacks capability
42 // (retry in software)
43
44/**
45 * DEPRECATED STRUCTURES
46 */
47
48/**
49 * This structure is DEPRECATED and the corresponding ioctl() has been
50 * replaced with individual ioctl()s for each piece of data!
51 * This structure will NOT survive past version 1.3.1, so switch to the
52 * new ioctl()s.
53 */
54#define MASK_LENGTH 64 // mask length
55struct ica_z90_status {
56 int totalcount;
57 int leedslitecount; // PCICA
58 int leeds2count; // PCICC
59 // int PCIXCCCount; is not in struct for backward compatibility
60 int requestqWaitCount;
61 int pendingqWaitCount;
62 int totalOpenCount;
63 int cryptoDomain;
64 // status: 0=not there, 1=PCICA, 2=PCICC, 3=PCIXCC_MCL2, 4=PCIXCC_MCL3,
65 // 5=CEX2C
66 unsigned char status[MASK_LENGTH];
67 // qdepth: # work elements waiting for each device
68 unsigned char qdepth[MASK_LENGTH];
69};
70
71#endif /* _Z90CRYPT_H_ */
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