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			341 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			341 lines
		
	
	
	
		
			11 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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| 
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| #ifndef __ASM_S390_ZCRYPT_H
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| #define __ASM_S390_ZCRYPT_H
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| 
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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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| 
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| #include <linux/ioctl.h>
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| #include <linux/compiler.h>
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| 
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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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| /**
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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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| /**
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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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| /**
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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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| 
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| /**
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|  * struct ep11_cprb - EP11 connectivity programming request block
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|  * @cprb_len:		CPRB header length [0x0020]
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|  * @cprb_ver_id:	CPRB version id.   [0x04]
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|  * @pad_000:		Alignment pad bytes
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|  * @flags:		Admin cmd [0x80] or functional cmd [0x00]
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|  * @func_id:		Function id / subtype [0x5434]
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|  * @source_id:		Source id [originator id]
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|  * @target_id:		Target id [usage/ctrl domain id]
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|  * @ret_code:		Return code
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|  * @reserved1:		Reserved
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|  * @reserved2:		Reserved
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|  * @payload_len:	Payload length
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|  */
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| struct ep11_cprb {
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| 	uint16_t	cprb_len;
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| 	unsigned char	cprb_ver_id;
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| 	unsigned char	pad_000[2];
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| 	unsigned char	flags;
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| 	unsigned char	func_id[2];
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| 	uint32_t	source_id;
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| 	uint32_t	target_id;
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| 	uint32_t	ret_code;
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| 	uint32_t	reserved1;
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| 	uint32_t	reserved2;
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| 	uint32_t	payload_len;
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| } __attribute__((packed));
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| 
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| /**
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|  * struct ep11_target_dev - EP11 target device list
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|  * @ap_id:	AP device id
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|  * @dom_id:	Usage domain id
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|  */
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| struct ep11_target_dev {
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| 	uint16_t ap_id;
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| 	uint16_t dom_id;
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| };
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| 
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| /**
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|  * struct ep11_urb - EP11 user request block
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|  * @targets_num:	Number of target adapters
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|  * @targets:		Addr to target adapter list
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|  * @weight:		Level of request priority
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|  * @req_no:		Request id/number
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|  * @req_len:		Request length
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|  * @req:		Addr to request block
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|  * @resp_len:		Response length
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|  * @resp:		Addr to response block
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|  */
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| struct ep11_urb {
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| 	uint16_t		targets_num;
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| 	uint64_t		targets;
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| 	uint64_t		weight;
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| 	uint64_t		req_no;
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| 	uint64_t		req_len;
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| 	uint64_t		req;
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| 	uint64_t		resp_len;
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| 	uint64_t		resp;
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| } __attribute__((packed));
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| 
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| #define AUTOSELECT ((unsigned int)0xFFFFFFFF)
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| 
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| #define ZCRYPT_IOCTL_MAGIC 'z'
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| 
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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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|  *   ZSENDEP11CPRB
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|  *     Send an arbitrary EP11 CPRB to an EP11 coprocessor 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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| /**
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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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| #define ZSENDEP11CPRB	_IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x04, 0)
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| 
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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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| 
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| #endif /* __ASM_S390_ZCRYPT_H */
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