| /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
| /* |
| * include/asm-s390/zcrypt.h |
| * |
| * zcrypt 2.2.1 (user-visible header) |
| * |
| * Copyright IBM Corp. 2001, 2018 |
| * Author(s): Robert Burroughs |
| * Eric Rossman (edrossma@us.ibm.com) |
| * |
| * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) |
| */ |
| |
| #ifndef __ASM_S390_ZCRYPT_H |
| #define __ASM_S390_ZCRYPT_H |
| |
| #define ZCRYPT_VERSION 2 |
| #define ZCRYPT_RELEASE 2 |
| #define ZCRYPT_VARIANT 1 |
| |
| #include <linux/ioctl.h> |
| #include <linux/compiler.h> |
| #include <linux/types.h> |
| |
| /* Name of the zcrypt device driver. */ |
| #define ZCRYPT_NAME "zcrypt" |
| |
| /** |
| * 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)); |
| |
| /** |
| * struct ep11_cprb - EP11 connectivity programming request block |
| * @cprb_len: CPRB header length [0x0020] |
| * @cprb_ver_id: CPRB version id. [0x04] |
| * @pad_000: Alignment pad bytes |
| * @flags: Admin bit [0x80], Special bit [0x20] |
| * @func_id: Function id / subtype [0x5434] "T4" |
| * @source_id: Source id [originator id] |
| * @target_id: Target id [usage/ctrl domain id] |
| * @ret_code: Return code |
| * @reserved1: Reserved |
| * @reserved2: Reserved |
| * @payload_len: Payload length |
| */ |
| struct ep11_cprb { |
| __u16 cprb_len; |
| unsigned char cprb_ver_id; |
| unsigned char pad_000[2]; |
| unsigned char flags; |
| unsigned char func_id[2]; |
| __u32 source_id; |
| __u32 target_id; |
| __u32 ret_code; |
| __u32 reserved1; |
| __u32 reserved2; |
| __u32 payload_len; |
| } __attribute__((packed)); |
| |
| /** |
| * struct ep11_target_dev - EP11 target device list |
| * @ap_id: AP device id |
| * @dom_id: Usage domain id |
| */ |
| struct ep11_target_dev { |
| __u16 ap_id; |
| __u16 dom_id; |
| }; |
| |
| /** |
| * struct ep11_urb - EP11 user request block |
| * @targets_num: Number of target adapters |
| * @targets: Addr to target adapter list |
| * @weight: Level of request priority |
| * @req_no: Request id/number |
| * @req_len: Request length |
| * @req: Addr to request block |
| * @resp_len: Response length |
| * @resp: Addr to response block |
| */ |
| struct ep11_urb { |
| __u16 targets_num; |
| __u64 targets; |
| __u64 weight; |
| __u64 req_no; |
| __u64 req_len; |
| __u64 req; |
| __u64 resp_len; |
| __u64 resp; |
| } __attribute__((packed)); |
| |
| /** |
| * struct zcrypt_device_status_ext |
| * @hwtype: raw hardware type |
| * @qid: 8 bit device index, 8 bit domain |
| * @functions: AP device function bit field 'abcdef' |
| * a, b, c = reserved |
| * d = CCA coprocessor |
| * e = Accelerator |
| * f = EP11 coprocessor |
| * @online online status |
| * @reserved reserved |
| */ |
| struct zcrypt_device_status_ext { |
| unsigned int hwtype:8; |
| unsigned int qid:16; |
| unsigned int online:1; |
| unsigned int functions:6; |
| unsigned int reserved:1; |
| }; |
| |
| #define MAX_ZDEV_CARDIDS_EXT 256 |
| #define MAX_ZDEV_DOMAINS_EXT 256 |
| |
| /* Maximum number of zcrypt devices */ |
| #define MAX_ZDEV_ENTRIES_EXT (MAX_ZDEV_CARDIDS_EXT * MAX_ZDEV_DOMAINS_EXT) |
| |
| /* Device matrix of all zcrypt devices */ |
| struct zcrypt_device_matrix_ext { |
| struct zcrypt_device_status_ext device[MAX_ZDEV_ENTRIES_EXT]; |
| }; |
| |
| #define AUTOSELECT 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. |
| * |
| * ZSENDEP11CPRB |
| * Send an arbitrary EP11 CPRB to an EP11 coprocessor crypto card. |
| * |
| * ZCRYPT_DEVICE_STATUS |
| * The given struct zcrypt_device_matrix_ext is updated with |
| * status information for each currently known apqn. |
| * |
| * ZCRYPT_STATUS_MASK |
| * Return an MAX_ZDEV_CARDIDS_EXT 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 |
| * 0x07: CEX3C |
| * 0x08: CEX3A |
| * 0x0a: CEX4 |
| * 0x0b: CEX5 |
| * 0x0c: CEX6 |
| * 0x0d: device is disabled |
| * |
| * ZCRYPT_QDEPTH_MASK |
| * Return an MAX_ZDEV_CARDIDS_EXT element array of unsigned chars for the |
| * queue depth of all devices. |
| * |
| * ZCRYPT_PERDEV_REQCNT |
| * Return an MAX_ZDEV_CARDIDS_EXT element array of unsigned integers for |
| * the number of successfully completed requests per device since the |
| * device was detected and made available. |
| * |
| */ |
| |
| /** |
| * 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) |
| #define ZSENDEP11CPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x04, 0) |
| |
| #define ZCRYPT_DEVICE_STATUS _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x5f, 0) |
| #define ZCRYPT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x58, char[MAX_ZDEV_CARDIDS_EXT]) |
| #define ZCRYPT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x59, char[MAX_ZDEV_CARDIDS_EXT]) |
| #define ZCRYPT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x5a, int[MAX_ZDEV_CARDIDS_EXT]) |
| |
| /* |
| * Support for multiple zcrypt device nodes. |
| */ |
| |
| /* Nr of minor device node numbers to allocate. */ |
| #define ZCRYPT_MAX_MINOR_NODES 256 |
| |
| /* Max amount of possible ioctls */ |
| #define MAX_ZDEV_IOCTLS (1 << _IOC_NRBITS) |
| |
| /* |
| * Only deprecated defines, structs and ioctls below this line. |
| */ |
| |
| /* Deprecated: use MAX_ZDEV_CARDIDS_EXT */ |
| #define MAX_ZDEV_CARDIDS 64 |
| /* Deprecated: use MAX_ZDEV_DOMAINS_EXT */ |
| #define MAX_ZDEV_DOMAINS 256 |
| |
| /* Deprecated: use MAX_ZDEV_ENTRIES_EXT */ |
| #define MAX_ZDEV_ENTRIES (MAX_ZDEV_CARDIDS * MAX_ZDEV_DOMAINS) |
| |
| /* Deprecated: use struct zcrypt_device_status_ext */ |
| struct zcrypt_device_status { |
| unsigned int hwtype:8; |
| unsigned int qid:14; |
| unsigned int online:1; |
| unsigned int functions:6; |
| unsigned int reserved:3; |
| }; |
| |
| /* Deprecated: use struct zcrypt_device_matrix_ext */ |
| struct zcrypt_device_matrix { |
| struct zcrypt_device_status device[MAX_ZDEV_ENTRIES]; |
| }; |
| |
| /* Deprecated: use ZCRYPT_DEVICE_STATUS */ |
| #define ZDEVICESTATUS _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x4f, 0) |
| /* Deprecated: use ZCRYPT_STATUS_MASK */ |
| #define Z90STAT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64]) |
| /* Deprecated: use ZCRYPT_QDEPTH_MASK */ |
| #define Z90STAT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64]) |
| /* Deprecated: use ZCRYPT_PERDEV_REQCNT */ |
| #define Z90STAT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64]) |
| |
| /* Deprecated: use sysfs to query these values */ |
| #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) |
| |
| /* |
| * The ioctl number ranges 0x40 - 0x42 and 0x4b - 0x4e had been used in the |
| * past, don't assign new ioctls for these. |
| */ |
| |
| #endif /* __ASM_S390_ZCRYPT_H */ |
