drivers/s390/crypto/z90crypt.h

   1 /*
   2  *  linux/drivers/s390/crypto/z90crypt.h
   3  *
   4  *  z90crypt 1.3.3 (kernel-private header)
   5  *
   6  *  Copyright (C)  2001, 2005 IBM Corporation
   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
  30 #include <asm/z90crypt.h>
  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
  55 struct 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_ */