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a53c8fab3f
Remove the file name from the comment at top of many files. In most cases the file name was wrong anyway, so it's rather pointless. Also unify the IBM copyright statement. We did have a lot of sightly different statements and wanted to change them one after another whenever a file gets touched. However that never happened. Instead people start to take the old/"wrong" statements to use as a template for new files. So unify all of them in one go. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
276 lines
9.3 KiB
C
276 lines
9.3 KiB
C
/*
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* include/asm-s390/zcrypt.h
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*
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* zcrypt 2.1.0 (user-visible header)
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*
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* Copyright IBM Corp. 2001, 2006
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* Author(s): Robert Burroughs
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* Eric Rossman (edrossma@us.ibm.com)
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*
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* Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ASM_S390_ZCRYPT_H
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#define __ASM_S390_ZCRYPT_H
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#define ZCRYPT_VERSION 2
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#define ZCRYPT_RELEASE 1
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#define ZCRYPT_VARIANT 1
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#include <linux/ioctl.h>
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#include <linux/compiler.h>
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/**
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* struct ica_rsa_modexpo
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*
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* Requirements:
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* - outputdatalength is at least as large as inputdatalength.
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* - All key parts are right justified in their fields, padded on
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* the left with zeroes.
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* - length(b_key) = inputdatalength
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* - length(n_modulus) = inputdatalength
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*/
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struct ica_rsa_modexpo {
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char __user * inputdata;
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unsigned int inputdatalength;
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char __user * outputdata;
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unsigned int outputdatalength;
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char __user * b_key;
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char __user * n_modulus;
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};
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/**
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* struct ica_rsa_modexpo_crt
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*
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* Requirements:
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* - inputdatalength is even.
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* - outputdatalength is at least as large as inputdatalength.
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* - All key parts are right justified in their fields, padded on
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* the left with zeroes.
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* - length(bp_key) = inputdatalength/2 + 8
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* - length(bq_key) = inputdatalength/2
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* - length(np_key) = inputdatalength/2 + 8
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* - length(nq_key) = inputdatalength/2
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* - length(u_mult_inv) = inputdatalength/2 + 8
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*/
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struct ica_rsa_modexpo_crt {
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char __user * inputdata;
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unsigned int inputdatalength;
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char __user * outputdata;
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unsigned int outputdatalength;
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char __user * bp_key;
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char __user * bq_key;
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char __user * np_prime;
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char __user * nq_prime;
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char __user * u_mult_inv;
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};
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/**
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* CPRBX
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* Note that all shorts and ints are big-endian.
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* All pointer fields are 16 bytes long, and mean nothing.
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*
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* A request CPRB is followed by a request_parameter_block.
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*
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* The request (or reply) parameter block is organized thus:
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* function code
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* VUD block
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* key block
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*/
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struct CPRBX {
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unsigned short cprb_len; /* CPRB length 220 */
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unsigned char cprb_ver_id; /* CPRB version id. 0x02 */
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unsigned char pad_000[3]; /* Alignment pad bytes */
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unsigned char func_id[2]; /* function id 0x5432 */
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unsigned char cprb_flags[4]; /* Flags */
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unsigned int req_parml; /* request parameter buffer len */
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unsigned int req_datal; /* request data buffer */
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unsigned int rpl_msgbl; /* reply message block length */
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unsigned int rpld_parml; /* replied parameter block len */
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unsigned int rpl_datal; /* reply data block len */
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unsigned int rpld_datal; /* replied data block len */
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unsigned int req_extbl; /* request extension block len */
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unsigned char pad_001[4]; /* reserved */
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unsigned int rpld_extbl; /* replied extension block len */
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unsigned char padx000[16 - sizeof (char *)];
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unsigned char * req_parmb; /* request parm block 'address' */
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unsigned char padx001[16 - sizeof (char *)];
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unsigned char * req_datab; /* request data block 'address' */
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unsigned char padx002[16 - sizeof (char *)];
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unsigned char * rpl_parmb; /* reply parm block 'address' */
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unsigned char padx003[16 - sizeof (char *)];
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unsigned char * rpl_datab; /* reply data block 'address' */
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unsigned char padx004[16 - sizeof (char *)];
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unsigned char * req_extb; /* request extension block 'addr'*/
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unsigned char padx005[16 - sizeof (char *)];
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unsigned char * rpl_extb; /* reply extension block 'address'*/
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unsigned short ccp_rtcode; /* server return code */
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unsigned short ccp_rscode; /* server reason code */
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unsigned int mac_data_len; /* Mac Data Length */
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unsigned char logon_id[8]; /* Logon Identifier */
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unsigned char mac_value[8]; /* Mac Value */
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unsigned char mac_content_flgs;/* Mac content flag byte */
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unsigned char pad_002; /* Alignment */
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unsigned short domain; /* Domain */
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unsigned char usage_domain[4];/* Usage domain */
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unsigned char cntrl_domain[4];/* Control domain */
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unsigned char S390enf_mask[4];/* S/390 enforcement mask */
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unsigned char pad_004[36]; /* reserved */
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} __attribute__((packed));
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/**
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* xcRB
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*/
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struct ica_xcRB {
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unsigned short agent_ID;
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unsigned int user_defined;
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unsigned short request_ID;
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unsigned int request_control_blk_length;
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unsigned char padding1[16 - sizeof (char *)];
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char __user * request_control_blk_addr;
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unsigned int request_data_length;
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char padding2[16 - sizeof (char *)];
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char __user * request_data_address;
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unsigned int reply_control_blk_length;
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char padding3[16 - sizeof (char *)];
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char __user * reply_control_blk_addr;
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unsigned int reply_data_length;
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char padding4[16 - sizeof (char *)];
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char __user * reply_data_addr;
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unsigned short priority_window;
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unsigned int status;
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} __attribute__((packed));
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#define AUTOSELECT ((unsigned int)0xFFFFFFFF)
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#define ZCRYPT_IOCTL_MAGIC 'z'
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/**
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* Interface notes:
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*
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* The ioctl()s which are implemented (along with relevant details)
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* are:
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*
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* ICARSAMODEXPO
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* Perform an RSA operation using a Modulus-Exponent pair
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* This takes an ica_rsa_modexpo struct as its arg.
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*
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* NOTE: please refer to the comments preceding this structure
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* for the implementation details for the contents of the
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* block
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*
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* ICARSACRT
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* Perform an RSA operation using a Chinese-Remainder Theorem key
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* This takes an ica_rsa_modexpo_crt struct as its arg.
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*
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* NOTE: please refer to the comments preceding this structure
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* for the implementation details for the contents of the
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* block
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*
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* ZSECSENDCPRB
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* Send an arbitrary CPRB to a crypto card.
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*
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* Z90STAT_STATUS_MASK
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* Return an 64 element array of unsigned chars for the status of
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* all devices.
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* 0x01: PCICA
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* 0x02: PCICC
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* 0x03: PCIXCC_MCL2
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* 0x04: PCIXCC_MCL3
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* 0x05: CEX2C
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* 0x06: CEX2A
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* 0x0d: device is disabled via the proc filesystem
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*
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* Z90STAT_QDEPTH_MASK
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* Return an 64 element array of unsigned chars for the queue
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* depth of all devices.
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*
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* Z90STAT_PERDEV_REQCNT
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* Return an 64 element array of unsigned integers for the number
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* of successfully completed requests per device since the device
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* was detected and made available.
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*
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* Z90STAT_REQUESTQ_COUNT
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* Return an integer count of the number of entries waiting to be
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* sent to a device.
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*
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* Z90STAT_PENDINGQ_COUNT
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* Return an integer count of the number of entries sent to all
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* devices awaiting the reply.
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*
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* Z90STAT_TOTALOPEN_COUNT
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* Return an integer count of the number of open file handles.
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*
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* Z90STAT_DOMAIN_INDEX
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* Return the integer value of the Cryptographic Domain.
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*
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* The following ioctls are deprecated and should be no longer used:
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*
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* Z90STAT_TOTALCOUNT
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* Return an integer count of all device types together.
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*
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* Z90STAT_PCICACOUNT
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* Return an integer count of all PCICAs.
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*
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* Z90STAT_PCICCCOUNT
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* Return an integer count of all PCICCs.
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*
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* Z90STAT_PCIXCCMCL2COUNT
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* Return an integer count of all MCL2 PCIXCCs.
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*
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* Z90STAT_PCIXCCMCL3COUNT
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* Return an integer count of all MCL3 PCIXCCs.
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*
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* Z90STAT_CEX2CCOUNT
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* Return an integer count of all CEX2Cs.
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*
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* Z90STAT_CEX2ACOUNT
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* Return an integer count of all CEX2As.
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*
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* ICAZ90STATUS
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* Return some device driver status in a ica_z90_status struct
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* This takes an ica_z90_status struct as its arg.
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*
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* Z90STAT_PCIXCCCOUNT
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* Return an integer count of all PCIXCCs (MCL2 + MCL3).
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* This is DEPRECATED now that MCL3 PCIXCCs are treated differently from
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* MCL2 PCIXCCs.
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*/
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/**
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* Supported ioctl calls
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*/
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#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0)
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#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0)
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#define ZSECSENDCPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0)
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/* New status calls */
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#define Z90STAT_TOTALCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x40, int)
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#define Z90STAT_PCICACOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x41, int)
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#define Z90STAT_PCICCCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x42, int)
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#define Z90STAT_PCIXCCMCL2COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4b, int)
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#define Z90STAT_PCIXCCMCL3COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4c, int)
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#define Z90STAT_CEX2CCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4d, int)
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#define Z90STAT_CEX2ACOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4e, int)
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#define Z90STAT_REQUESTQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x44, int)
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#define Z90STAT_PENDINGQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x45, int)
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#define Z90STAT_TOTALOPEN_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x46, int)
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#define Z90STAT_DOMAIN_INDEX _IOR(ZCRYPT_IOCTL_MAGIC, 0x47, int)
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#define Z90STAT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64])
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#define Z90STAT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64])
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#define Z90STAT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64])
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#endif /* __ASM_S390_ZCRYPT_H */
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