| /* |
| * zcrypt 2.1.0 |
| * |
| * Copyright IBM Corp. 2001, 2012 |
| * Author(s): Robert Burroughs |
| * Eric Rossman (edrossma@us.ibm.com) |
| * |
| * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) |
| * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> |
| * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.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 _ZCRYPT_MSGTYPE6_H_ |
| #define _ZCRYPT_MSGTYPE6_H_ |
| |
| #include <asm/zcrypt.h> |
| |
| #define MSGTYPE06_NAME "zcrypt_msgtype6" |
| #define MSGTYPE06_VARIANT_DEFAULT 0 |
| #define MSGTYPE06_VARIANT_NORNG 1 |
| #define MSGTYPE06_VARIANT_EP11 2 |
| |
| #define MSGTYPE06_MAX_MSG_SIZE (12*1024) |
| |
| /** |
| * The type 6 message family is associated with PCICC or PCIXCC cards. |
| * |
| * It contains a message header followed by a CPRB, both of which |
| * are described below. |
| * |
| * Note that all reserved fields must be zeroes. |
| */ |
| struct type6_hdr { |
| unsigned char reserved1; /* 0x00 */ |
| unsigned char type; /* 0x06 */ |
| unsigned char reserved2[2]; /* 0x0000 */ |
| unsigned char right[4]; /* 0x00000000 */ |
| unsigned char reserved3[2]; /* 0x0000 */ |
| unsigned char reserved4[2]; /* 0x0000 */ |
| unsigned char apfs[4]; /* 0x00000000 */ |
| unsigned int offset1; /* 0x00000058 (offset to CPRB) */ |
| unsigned int offset2; /* 0x00000000 */ |
| unsigned int offset3; /* 0x00000000 */ |
| unsigned int offset4; /* 0x00000000 */ |
| unsigned char agent_id[16]; /* PCICC: */ |
| /* 0x0100 */ |
| /* 0x4343412d4150504c202020 */ |
| /* 0x010101 */ |
| /* PCIXCC: */ |
| /* 0x4341000000000000 */ |
| /* 0x0000000000000000 */ |
| unsigned char rqid[2]; /* rqid. internal to 603 */ |
| unsigned char reserved5[2]; /* 0x0000 */ |
| unsigned char function_code[2]; /* for PKD, 0x5044 (ascii 'PD') */ |
| unsigned char reserved6[2]; /* 0x0000 */ |
| unsigned int ToCardLen1; /* (request CPRB len + 3) & -4 */ |
| unsigned int ToCardLen2; /* db len 0x00000000 for PKD */ |
| unsigned int ToCardLen3; /* 0x00000000 */ |
| unsigned int ToCardLen4; /* 0x00000000 */ |
| unsigned int FromCardLen1; /* response buffer length */ |
| unsigned int FromCardLen2; /* db len 0x00000000 for PKD */ |
| unsigned int FromCardLen3; /* 0x00000000 */ |
| unsigned int FromCardLen4; /* 0x00000000 */ |
| } __packed; |
| |
| /** |
| * The type 86 message family is associated with PCICC and PCIXCC cards. |
| * |
| * It contains a message header followed by a CPRB. The CPRB is |
| * the same as the request CPRB, which is described above. |
| * |
| * If format is 1, an error condition exists and no data beyond |
| * the 8-byte message header is of interest. |
| * |
| * The non-error message is shown below. |
| * |
| * Note that all reserved fields must be zeroes. |
| */ |
| struct type86_hdr { |
| unsigned char reserved1; /* 0x00 */ |
| unsigned char type; /* 0x86 */ |
| unsigned char format; /* 0x01 (error) or 0x02 (ok) */ |
| unsigned char reserved2; /* 0x00 */ |
| unsigned char reply_code; /* reply code (see above) */ |
| unsigned char reserved3[3]; /* 0x000000 */ |
| } __packed; |
| |
| #define TYPE86_RSP_CODE 0x86 |
| #define TYPE87_RSP_CODE 0x87 |
| #define TYPE86_FMT2 0x02 |
| |
| struct type86_fmt2_ext { |
| unsigned char reserved[4]; /* 0x00000000 */ |
| unsigned char apfs[4]; /* final status */ |
| unsigned int count1; /* length of CPRB + parameters */ |
| unsigned int offset1; /* offset to CPRB */ |
| unsigned int count2; /* 0x00000000 */ |
| unsigned int offset2; /* db offset 0x00000000 for PKD */ |
| unsigned int count3; /* 0x00000000 */ |
| unsigned int offset3; /* 0x00000000 */ |
| unsigned int count4; /* 0x00000000 */ |
| unsigned int offset4; /* 0x00000000 */ |
| } __packed; |
| |
| unsigned int get_cprb_fc(struct ica_xcRB *, struct ap_message *, |
| unsigned int *, unsigned short **); |
| unsigned int get_ep11cprb_fc(struct ep11_urb *, struct ap_message *, |
| unsigned int *); |
| unsigned int get_rng_fc(struct ap_message *, int *, unsigned int *); |
| |
| #define LOW 10 |
| #define MEDIUM 100 |
| #define HIGH 500 |
| |
| int speed_idx_cca(int); |
| int speed_idx_ep11(int); |
| |
| /** |
| * Prepare a type6 CPRB message for random number generation |
| * |
| * @ap_dev: AP device pointer |
| * @ap_msg: pointer to AP message |
| */ |
| static inline void rng_type6CPRB_msgX(struct ap_message *ap_msg, |
| unsigned int random_number_length, |
| unsigned int *domain) |
| { |
| struct { |
| struct type6_hdr hdr; |
| struct CPRBX cprbx; |
| char function_code[2]; |
| short int rule_length; |
| char rule[8]; |
| short int verb_length; |
| short int key_length; |
| } __packed * msg = ap_msg->message; |
| static struct type6_hdr static_type6_hdrX = { |
| .type = 0x06, |
| .offset1 = 0x00000058, |
| .agent_id = {'C', 'A'}, |
| .function_code = {'R', 'L'}, |
| .ToCardLen1 = sizeof(*msg) - sizeof(msg->hdr), |
| .FromCardLen1 = sizeof(*msg) - sizeof(msg->hdr), |
| }; |
| static struct CPRBX local_cprbx = { |
| .cprb_len = 0x00dc, |
| .cprb_ver_id = 0x02, |
| .func_id = {0x54, 0x32}, |
| .req_parml = sizeof(*msg) - sizeof(msg->hdr) - |
| sizeof(msg->cprbx), |
| .rpl_msgbl = sizeof(*msg) - sizeof(msg->hdr), |
| }; |
| |
| msg->hdr = static_type6_hdrX; |
| msg->hdr.FromCardLen2 = random_number_length, |
| msg->cprbx = local_cprbx; |
| msg->cprbx.rpl_datal = random_number_length, |
| memcpy(msg->function_code, msg->hdr.function_code, 0x02); |
| msg->rule_length = 0x0a; |
| memcpy(msg->rule, "RANDOM ", 8); |
| msg->verb_length = 0x02; |
| msg->key_length = 0x02; |
| ap_msg->length = sizeof(*msg); |
| *domain = (unsigned short)msg->cprbx.domain; |
| } |
| |
| void zcrypt_msgtype6_init(void); |
| void zcrypt_msgtype6_exit(void); |
| |
| #endif /* _ZCRYPT_MSGTYPE6_H_ */ |