/* * include/asm-s390/zcrypt.h * * zcrypt 2.1.0 (user-visible header) * * 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) * * 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 __ASM_S390_ZCRYPT_H #define __ASM_S390_ZCRYPT_H #define ZCRYPT_VERSION 2 #define ZCRYPT_RELEASE 1 #define ZCRYPT_VARIANT 1 #include <linux/ioctl.h> #include <linux/compiler.h> /** * struct ica_rsa_modexpo * * Requirements: * - outputdatalength is at least as large as inputdatalength. * - All key parts are right justified in their fields, padded on * the left with zeroes. * - length(b_key) = inputdatalength * - length(n_modulus) = inputdatalength */ struct ica_rsa_modexpo { char __user * inputdata; unsigned int inputdatalength; char __user * outputdata; unsigned int outputdatalength; char __user * b_key; char __user * n_modulus; }; /** * struct ica_rsa_modexpo_crt * * Requirements: * - inputdatalength is even. * - outputdatalength is at least as large as inputdatalength. * - All key parts are right justified in their fields, padded on * the left with zeroes. * - length(bp_key) = inputdatalength/2 + 8 * - length(bq_key) = inputdatalength/2 * - length(np_key) = inputdatalength/2 + 8 * - length(nq_key) = inputdatalength/2 * - length(u_mult_inv) = inputdatalength/2 + 8 */ struct ica_rsa_modexpo_crt { char __user * inputdata; unsigned int inputdatalength; char __user * outputdata; unsigned int outputdatalength; char __user * bp_key; char __user * bq_key; char __user * np_prime; char __user * nq_prime; char __user * u_mult_inv; }; /** * CPRBX * Note that all shorts and ints are big-endian. * All pointer fields are 16 bytes long, and mean nothing. * * A request CPRB is followed by a request_parameter_block. * * The request (or reply) parameter block is organized thus: * function code * VUD block * key block */ struct CPRBX { unsigned short cprb_len; /* CPRB length 220 */ unsigned char cprb_ver_id; /* CPRB version id. 0x02 */ unsigned char pad_000[3]; /* Alignment pad bytes */ unsigned char func_id[2]; /* function id 0x5432 */ unsigned char cprb_flags[4]; /* Flags */ unsigned int req_parml; /* request parameter buffer len */ unsigned int req_datal; /* request data buffer */ unsigned int rpl_msgbl; /* reply message block length */ unsigned int rpld_parml; /* replied parameter block len */ unsigned int rpl_datal; /* reply data block len */ unsigned int rpld_datal; /* replied data block len */ unsigned int req_extbl; /* request extension block len */ unsigned char pad_001[4]; /* reserved */ unsigned int rpld_extbl; /* replied extension block len */ unsigned char padx000[16 - sizeof (char *)]; unsigned char * req_parmb; /* request parm block 'address' */ unsigned char padx001[16 - sizeof (char *)]; unsigned char * req_datab; /* request data block 'address' */ unsigned char padx002[16 - sizeof (char *)]; unsigned char * rpl_parmb; /* reply parm block 'address' */ unsigned char padx003[16 - sizeof (char *)]; unsigned char * rpl_datab; /* reply data block 'address' */ unsigned char padx004[16 - sizeof (char *)]; unsigned char * req_extb; /* request extension block 'addr'*/ unsigned char padx005[16 - sizeof (char *)]; unsigned char * rpl_extb; /* reply extension block 'address'*/ unsigned short ccp_rtcode; /* server return code */ unsigned short ccp_rscode; /* server reason code */ unsigned int mac_data_len; /* Mac Data Length */ unsigned char logon_id[8]; /* Logon Identifier */ unsigned char mac_value[8]; /* Mac Value */ unsigned char mac_content_flgs;/* Mac content flag byte */ unsigned char pad_002; /* Alignment */ unsigned short domain; /* Domain */ unsigned char usage_domain[4];/* Usage domain */ unsigned char cntrl_domain[4];/* Control domain */ unsigned char S390enf_mask[4];/* S/390 enforcement mask */ unsigned char pad_004[36]; /* reserved */ } __attribute__((packed)); /** * xcRB */ struct ica_xcRB { unsigned short agent_ID; unsigned int user_defined; unsigned short request_ID; unsigned int request_control_blk_length; unsigned char padding1[16 - sizeof (char *)]; char __user * request_control_blk_addr; unsigned int request_data_length; char padding2[16 - sizeof (char *)]; char __user * request_data_address; unsigned int reply_control_blk_length; char padding3[16 - sizeof (char *)]; char __user * reply_control_blk_addr; unsigned int reply_data_length; char padding4[16 - sizeof (char *)]; char __user * reply_data_addr; unsigned short priority_window; unsigned int status; } __attribute__((packed)); #define AUTOSELECT ((unsigned int)0xFFFFFFFF) #define ZCRYPT_IOCTL_MAGIC 'z' /** * Interface notes: * * The ioctl()s which are implemented (along with relevant details) * are: * * ICARSAMODEXPO * Perform an RSA operation using a Modulus-Exponent pair * This takes an ica_rsa_modexpo struct as its arg. * * NOTE: please refer to the comments preceding this structure * for the implementation details for the contents of the * block * * ICARSACRT * Perform an RSA operation using a Chinese-Remainder Theorem key * This takes an ica_rsa_modexpo_crt struct as its arg. * * NOTE: please refer to the comments preceding this structure * for the implementation details for the contents of the * block * * ZSECSENDCPRB * Send an arbitrary CPRB to a crypto card. * * Z90STAT_STATUS_MASK * Return an 64 element array of unsigned chars for the status of * all devices. * 0x01: PCICA * 0x02: PCICC * 0x03: PCIXCC_MCL2 * 0x04: PCIXCC_MCL3 * 0x05: CEX2C * 0x06: CEX2A * 0x0d: device is disabled via the proc filesystem * * Z90STAT_QDEPTH_MASK * Return an 64 element array of unsigned chars for the queue * depth of all devices. * * Z90STAT_PERDEV_REQCNT * Return an 64 element array of unsigned integers for the number * of successfully completed requests per device since the device * was detected and made available. * * Z90STAT_REQUESTQ_COUNT * Return an integer count of the number of entries waiting to be * sent to a device. * * Z90STAT_PENDINGQ_COUNT * Return an integer count of the number of entries sent to all * devices awaiting the reply. * * Z90STAT_TOTALOPEN_COUNT * Return an integer count of the number of open file handles. * * Z90STAT_DOMAIN_INDEX * Return the integer value of the Cryptographic Domain. * * The following ioctls are deprecated and should be no longer used: * * Z90STAT_TOTALCOUNT * Return an integer count of all device types together. * * Z90STAT_PCICACOUNT * Return an integer count of all PCICAs. * * Z90STAT_PCICCCOUNT * Return an integer count of all PCICCs. * * Z90STAT_PCIXCCMCL2COUNT * Return an integer count of all MCL2 PCIXCCs. * * Z90STAT_PCIXCCMCL3COUNT * Return an integer count of all MCL3 PCIXCCs. * * Z90STAT_CEX2CCOUNT * Return an integer count of all CEX2Cs. * * Z90STAT_CEX2ACOUNT * Return an integer count of all CEX2As. * * ICAZ90STATUS * Return some device driver status in a ica_z90_status struct * This takes an ica_z90_status struct as its arg. * * Z90STAT_PCIXCCCOUNT * Return an integer count of all PCIXCCs (MCL2 + MCL3). * This is DEPRECATED now that MCL3 PCIXCCs are treated differently from * MCL2 PCIXCCs. */ /** * Supported ioctl calls */ #define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0) #define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0) #define ZSECSENDCPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0) /* New status calls */ #define Z90STAT_TOTALCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x40, int) #define Z90STAT_PCICACOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x41, int) #define Z90STAT_PCICCCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x42, int) #define Z90STAT_PCIXCCMCL2COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4b, int) #define Z90STAT_PCIXCCMCL3COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4c, int) #define Z90STAT_CEX2CCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4d, int) #define Z90STAT_CEX2ACOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4e, int) #define Z90STAT_REQUESTQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x44, int) #define Z90STAT_PENDINGQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x45, int) #define Z90STAT_TOTALOPEN_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x46, int) #define Z90STAT_DOMAIN_INDEX _IOR(ZCRYPT_IOCTL_MAGIC, 0x47, int) #define Z90STAT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64]) #define Z90STAT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64]) #define Z90STAT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64]) #endif /* __ASM_S390_ZCRYPT_H */