diff options
Diffstat (limited to 'drivers/s390/crypto/zcrypt_msgtype50.c')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_msgtype50.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/s390/crypto/zcrypt_msgtype50.c b/drivers/s390/crypto/zcrypt_msgtype50.c index f159662c907b..fc4295b3d801 100644 --- a/drivers/s390/crypto/zcrypt_msgtype50.c +++ b/drivers/s390/crypto/zcrypt_msgtype50.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * zcrypt 2.1.0 - * * Copyright IBM Corp. 2001, 2012 * Author(s): Robert Burroughs * Eric Rossman (edrossma@us.ibm.com) @@ -27,13 +25,13 @@ #include "zcrypt_error.h" #include "zcrypt_msgtype50.h" -/* 4096 bits */ +/* >= CEX3A: 4096 bits */ #define CEX3A_MAX_MOD_SIZE 512 -/* max outputdatalength + type80_hdr */ +/* CEX2A: max outputdatalength + type80_hdr */ #define CEX2A_MAX_RESPONSE_SIZE 0x110 -/* 512 bit modulus, (max outputdatalength) + type80_hdr */ +/* >= CEX3A: 512 bit modulus, (max outputdatalength) + type80_hdr */ #define CEX3A_MAX_RESPONSE_SIZE 0x210 MODULE_AUTHOR("IBM Corporation"); @@ -42,7 +40,7 @@ MODULE_DESCRIPTION("Cryptographic Accelerator (message type 50), " \ MODULE_LICENSE("GPL"); /** - * The type 50 message family is associated with a CEX2A card. + * The type 50 message family is associated with a CEXxA cards. * * The four members of the family are described below. * @@ -139,7 +137,7 @@ struct type50_crb3_msg { } __packed; /** - * The type 80 response family is associated with a CEX2A card. + * The type 80 response family is associated with a CEXxA cards. * * Note that all unsigned char arrays are right-justified and left-padded * with zeroes. @@ -273,7 +271,7 @@ static int ICACRT_msg_to_type50CRT_msg(struct zcrypt_queue *zq, /* * CEX2A and CEX3A w/o FW update can handle requests up to * 256 byte modulus (2k keys). - * CEX3A with FW update and CEX4A cards are able to handle + * CEX3A with FW update and newer CEXxA cards are able to handle * 512 byte modulus (4k keys). */ if (mod_len <= 128) { /* up to 1024 bit key size */ @@ -356,7 +354,7 @@ static int convert_type80(struct zcrypt_queue *zq, unsigned char *data; if (t80h->len < sizeof(*t80h) + outputdatalength) { - /* The result is too short, the CEX2A card may not do that.. */ + /* The result is too short, the CEXxA card may not do that.. */ zq->online = 0; pr_err("Cryptographic device %02x.%04x failed and was set offline\n", AP_QID_CARD(zq->queue->qid), @@ -447,10 +445,10 @@ out: static atomic_t zcrypt_step = ATOMIC_INIT(0); /** - * The request distributor calls this function if it picked the CEX2A + * The request distributor calls this function if it picked the CEXxA * device to handle a modexpo request. * @zq: pointer to zcrypt_queue structure that identifies the - * CEX2A device to the request distributor + * CEXxA device to the request distributor * @mex: pointer to the modexpo request buffer */ static long zcrypt_cex2a_modexpo(struct zcrypt_queue *zq, @@ -493,10 +491,10 @@ out_free: } /** - * The request distributor calls this function if it picked the CEX2A + * The request distributor calls this function if it picked the CEXxA * device to handle a modexpo_crt request. * @zq: pointer to zcrypt_queue structure that identifies the - * CEX2A device to the request distributor + * CEXxA device to the request distributor * @crt: pointer to the modexpoc_crt request buffer */ static long zcrypt_cex2a_modexpo_crt(struct zcrypt_queue *zq, |