diff options
Diffstat (limited to 'drivers/s390/crypto/z90hardware.c')
| -rw-r--r-- | drivers/s390/crypto/z90hardware.c | 127 |
1 files changed, 64 insertions, 63 deletions
diff --git a/drivers/s390/crypto/z90hardware.c b/drivers/s390/crypto/z90hardware.c index beb6a5e0da22..c215e0889736 100644 --- a/drivers/s390/crypto/z90hardware.c +++ b/drivers/s390/crypto/z90hardware.c @@ -32,7 +32,7 @@ #include "z90crypt.h" #include "z90common.h" -#define VERSION_Z90HARDWARE_C "$Revision: 1.33 $" +#define VERSION_Z90HARDWARE_C "$Revision: 1.34 $" char z90hardware_version[] __initdata = "z90hardware.o (" VERSION_Z90HARDWARE_C "/" @@ -283,48 +283,6 @@ struct type6_msg { struct CPRB CPRB; }; -union request_msg { - union type4_msg t4msg; - struct type6_msg t6msg; -}; - -struct request_msg_ext { - int q_nr; - unsigned char *psmid; - union request_msg reqMsg; -}; - -struct type82_hdr { - unsigned char reserved1; - unsigned char type; - unsigned char reserved2[2]; - unsigned char reply_code; - unsigned char reserved3[3]; -}; - -#define TYPE82_RSP_CODE 0x82 - -#define REPLY_ERROR_MACHINE_FAILURE 0x10 -#define REPLY_ERROR_PREEMPT_FAILURE 0x12 -#define REPLY_ERROR_CHECKPT_FAILURE 0x14 -#define REPLY_ERROR_MESSAGE_TYPE 0x20 -#define REPLY_ERROR_INVALID_COMM_CD 0x21 -#define REPLY_ERROR_INVALID_MSG_LEN 0x23 -#define REPLY_ERROR_RESERVD_FIELD 0x24 -#define REPLY_ERROR_FORMAT_FIELD 0x29 -#define REPLY_ERROR_INVALID_COMMAND 0x30 -#define REPLY_ERROR_MALFORMED_MSG 0x40 -#define REPLY_ERROR_RESERVED_FIELDO 0x50 -#define REPLY_ERROR_WORD_ALIGNMENT 0x60 -#define REPLY_ERROR_MESSAGE_LENGTH 0x80 -#define REPLY_ERROR_OPERAND_INVALID 0x82 -#define REPLY_ERROR_OPERAND_SIZE 0x84 -#define REPLY_ERROR_EVEN_MOD_IN_OPND 0x85 -#define REPLY_ERROR_RESERVED_FIELD 0x88 -#define REPLY_ERROR_TRANSPORT_FAIL 0x90 -#define REPLY_ERROR_PACKET_TRUNCATED 0xA0 -#define REPLY_ERROR_ZERO_BUFFER_LEN 0xB0 - struct type86_hdr { unsigned char reserved1; unsigned char type; @@ -338,7 +296,7 @@ struct type86_hdr { #define TYPE86_FMT2 0x02 struct type86_fmt2_msg { - struct type86_hdr hdr; + struct type86_hdr header; unsigned char reserved[4]; unsigned char apfs[4]; unsigned int count1; @@ -538,6 +496,8 @@ static struct function_and_rules_block static_pke_function_and_rulesX = { {'M','R','P',' ',' ',' ',' ',' '} }; +static unsigned char static_PKE_function_code[2] = {0x50, 0x4B}; + struct T6_keyBlock_hdrX { unsigned short blen; unsigned short ulen; @@ -688,9 +648,38 @@ static struct cca_public_sec static_cca_pub_sec = { #define RESPONSE_CPRB_SIZE 0x000006B8 #define RESPONSE_CPRBX_SIZE 0x00000724 -#define CALLER_HEADER 12 +struct error_hdr { + unsigned char reserved1; + unsigned char type; + unsigned char reserved2[2]; + unsigned char reply_code; + unsigned char reserved3[3]; +}; -static unsigned char static_PKE_function_code[2] = {0x50, 0x4B}; +#define TYPE82_RSP_CODE 0x82 + +#define REP82_ERROR_MACHINE_FAILURE 0x10 +#define REP82_ERROR_PREEMPT_FAILURE 0x12 +#define REP82_ERROR_CHECKPT_FAILURE 0x14 +#define REP82_ERROR_MESSAGE_TYPE 0x20 +#define REP82_ERROR_INVALID_COMM_CD 0x21 +#define REP82_ERROR_INVALID_MSG_LEN 0x23 +#define REP82_ERROR_RESERVD_FIELD 0x24 +#define REP82_ERROR_FORMAT_FIELD 0x29 +#define REP82_ERROR_INVALID_COMMAND 0x30 +#define REP82_ERROR_MALFORMED_MSG 0x40 +#define REP82_ERROR_RESERVED_FIELDO 0x50 +#define REP82_ERROR_WORD_ALIGNMENT 0x60 +#define REP82_ERROR_MESSAGE_LENGTH 0x80 +#define REP82_ERROR_OPERAND_INVALID 0x82 +#define REP82_ERROR_OPERAND_SIZE 0x84 +#define REP82_ERROR_EVEN_MOD_IN_OPND 0x85 +#define REP82_ERROR_RESERVED_FIELD 0x88 +#define REP82_ERROR_TRANSPORT_FAIL 0x90 +#define REP82_ERROR_PACKET_TRUNCATED 0xA0 +#define REP82_ERROR_ZERO_BUFFER_LEN 0xB0 + +#define CALLER_HEADER 12 static inline int testq(int q_nr, int *q_depth, int *dev_type, struct ap_status_word *stat) @@ -1212,9 +1201,9 @@ send_to_AP(int dev_nr, int cdx, int msg_len, unsigned char *msg_ext) struct ap_status_word stat_word; enum devstat stat; int ccode; + u32 *q_nr_p = (u32 *)msg_ext; - ((struct request_msg_ext *) msg_ext)->q_nr = - (dev_nr << SKIP_BITL) + cdx; + *q_nr_p = (dev_nr << SKIP_BITL) + cdx; PDEBUG("msg_len passed to sen: %d\n", msg_len); PDEBUG("q number passed to sen: %02x%02x%02x%02x\n", msg_ext[0], msg_ext[1], msg_ext[2], msg_ext[3]); @@ -2104,7 +2093,7 @@ convert_response(unsigned char *response, unsigned char *buffer, int *respbufflen_p, unsigned char *resp_buff) { struct ica_rsa_modexpo *icaMsg_p = (struct ica_rsa_modexpo *) buffer; - struct type82_hdr *t82h_p = (struct type82_hdr *) response; + struct error_hdr *errh_p = (struct error_hdr *) response; struct type84_hdr *t84h_p = (struct type84_hdr *) response; struct type86_fmt2_msg *t86m_p = (struct type86_fmt2_msg *) response; int reply_code, service_rc, service_rs, src_l; @@ -2117,12 +2106,13 @@ convert_response(unsigned char *response, unsigned char *buffer, service_rc = 0; service_rs = 0; src_l = 0; - switch (t82h_p->type) { + switch (errh_p->type) { case TYPE82_RSP_CODE: - reply_code = t82h_p->reply_code; - src_p = (unsigned char *)t82h_p; - PRINTK("Hardware error: Type 82 Message Header: " + reply_code = errh_p->reply_code; + src_p = (unsigned char *)errh_p; + PRINTK("Hardware error: Type %02X Message Header: " "%02x%02x%02x%02x%02x%02x%02x%02x\n", + errh_p->type, src_p[0], src_p[1], src_p[2], src_p[3], src_p[4], src_p[5], src_p[6], src_p[7]); break; @@ -2131,7 +2121,7 @@ convert_response(unsigned char *response, unsigned char *buffer, src_p = response + (int)t84h_p->len - src_l; break; case TYPE86_RSP_CODE: - reply_code = t86m_p->hdr.reply_code; + reply_code = t86m_p->header.reply_code; if (reply_code != 0) break; cprb_p = (struct CPRB *) @@ -2143,6 +2133,9 @@ convert_response(unsigned char *response, unsigned char *buffer, le2toI(cprb_p->ccp_rscode, &service_rs); if ((service_rc == 8) && (service_rs == 66)) PDEBUG("Bad block format on PCICC\n"); + else if ((service_rc == 8) && (service_rs == 65)) + PDEBUG("Probably an even modulus on " + "PCICC\n"); else if ((service_rc == 8) && (service_rs == 770)) { PDEBUG("Invalid key length on PCICC\n"); unset_ext_bitlens(); @@ -2155,7 +2148,7 @@ convert_response(unsigned char *response, unsigned char *buffer, return REC_USE_PCICA; } else - PRINTK("service rc/rs: %d/%d\n", + PRINTK("service rc/rs (PCICC): %d/%d\n", service_rc, service_rs); return REC_OPERAND_INV; } @@ -2169,7 +2162,10 @@ convert_response(unsigned char *response, unsigned char *buffer, if (service_rc != 0) { service_rs = (int) cprbx_p->ccp_rscode; if ((service_rc == 8) && (service_rs == 66)) - PDEBUG("Bad block format on PCXICC\n"); + PDEBUG("Bad block format on PCIXCC\n"); + else if ((service_rc == 8) && (service_rs == 65)) + PDEBUG("Probably an even modulus on " + "PCIXCC\n"); else if ((service_rc == 8) && (service_rs == 770)) { PDEBUG("Invalid key length on PCIXCC\n"); unset_ext_bitlens(); @@ -2182,7 +2178,7 @@ convert_response(unsigned char *response, unsigned char *buffer, return REC_USE_PCICA; } else - PRINTK("service rc/rs: %d/%d\n", + PRINTK("service rc/rs (PCIXCC): %d/%d\n", service_rc, service_rs); return REC_OPERAND_INV; } @@ -2195,20 +2191,25 @@ convert_response(unsigned char *response, unsigned char *buffer, } break; default: + src_p = (unsigned char *)errh_p; + PRINTK("Unrecognized Message Header: " + "%02x%02x%02x%02x%02x%02x%02x%02x\n", + src_p[0], src_p[1], src_p[2], src_p[3], + src_p[4], src_p[5], src_p[6], src_p[7]); return REC_BAD_MESSAGE; } if (reply_code) switch (reply_code) { - case REPLY_ERROR_OPERAND_INVALID: + case REP82_ERROR_OPERAND_INVALID: return REC_OPERAND_INV; - case REPLY_ERROR_OPERAND_SIZE: + case REP82_ERROR_OPERAND_SIZE: return REC_OPERAND_SIZE; - case REPLY_ERROR_EVEN_MOD_IN_OPND: + case REP82_ERROR_EVEN_MOD_IN_OPND: return REC_EVEN_MOD; - case REPLY_ERROR_MESSAGE_TYPE: + case REP82_ERROR_MESSAGE_TYPE: return WRONG_DEVICE_TYPE; - case REPLY_ERROR_TRANSPORT_FAIL: + case REP82_ERROR_TRANSPORT_FAIL: PRINTKW("Transport failed (APFS = %02X%02X%02X%02X)\n", t86m_p->apfs[0], t86m_p->apfs[1], t86m_p->apfs[2], t86m_p->apfs[3]); @@ -2229,7 +2230,7 @@ convert_response(unsigned char *response, unsigned char *buffer, PDEBUG("Length returned = %d\n", src_l); tgt_p = resp_buff + icaMsg_p->outputdatalength - src_l; memcpy(tgt_p, src_p, src_l); - if ((t82h_p->type == TYPE86_RSP_CODE) && (resp_buff < tgt_p)) { + if ((errh_p->type == TYPE86_RSP_CODE) && (resp_buff < tgt_p)) { memset(resp_buff, 0, icaMsg_p->outputdatalength - src_l); if (pad_msg(resp_buff, icaMsg_p->outputdatalength, src_l)) return REC_INVALID_PAD; |