|  | /* | 
|  | *  include/asm-s390/zcrypt.h | 
|  | * | 
|  | *  zcrypt 2.1.0 (user-visible header) | 
|  | * | 
|  | *  Copyright (C)  2001, 2006 IBM Corporation | 
|  | *  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 0 | 
|  |  | 
|  | #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 'addres'*/ | 
|  | 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 */ |