Merge ../torvalds-2.6/

1 files changed, 297 insertions, 12 deletions

diff --git a/drivers/s390/crypto/z90hardware.c b/drivers/s390/crypto/z90hardware.c
index c215e0889736..d7f7494a0cbe 100644
--- a/drivers/s390/crypto/z90hardware.c
+++ b/drivers/s390/crypto/z90hardware.c
@@ -1,9 +1,9 @@
 /*
  *  linux/drivers/s390/crypto/z90hardware.c
  *
- *  z90crypt 1.3.2
+ *  z90crypt 1.3.3
  *
- *  Copyright (C)  2001, 2004 IBM Corporation
+ *  Copyright (C)  2001, 2005 IBM Corporation
  *  Author(s): Robert Burroughs (burrough@us.ibm.com)
  *             Eric Rossman (edrossma@us.ibm.com)
  *
@@ -648,6 +648,87 @@ static struct cca_public_sec static_cca_pub_sec = {
 #define RESPONSE_CPRB_SIZE  0x000006B8
 #define RESPONSE_CPRBX_SIZE 0x00000724
 
+struct type50_hdr {
+        u8    reserved1;
+        u8    msg_type_code;
+        u16   msg_len;
+        u8    reserved2;
+        u8    ignored;
+        u16   reserved3;
+};
+
+#define TYPE50_TYPE_CODE 0x50
+
+#define TYPE50_MEB1_LEN (sizeof(struct type50_meb1_msg))
+#define TYPE50_MEB2_LEN (sizeof(struct type50_meb2_msg))
+#define TYPE50_CRB1_LEN (sizeof(struct type50_crb1_msg))
+#define TYPE50_CRB2_LEN (sizeof(struct type50_crb2_msg))
+
+#define TYPE50_MEB1_FMT 0x0001
+#define TYPE50_MEB2_FMT 0x0002
+#define TYPE50_CRB1_FMT 0x0011
+#define TYPE50_CRB2_FMT 0x0012
+
+struct type50_meb1_msg {
+        struct type50_hdr       header;
+        u16                     keyblock_type;
+        u8                      reserved[6];
+        u8                      exponent[128];
+        u8                      modulus[128];
+        u8                      message[128];
+};
+
+struct type50_meb2_msg {
+        struct type50_hdr       header;
+        u16                     keyblock_type;
+        u8                      reserved[6];
+        u8                      exponent[256];
+        u8                      modulus[256];
+        u8                      message[256];
+};
+
+struct type50_crb1_msg {
+        struct type50_hdr       header;
+        u16                     keyblock_type;
+        u8                      reserved[6];
+        u8                      p[64];
+        u8                      q[64];
+        u8                      dp[64];
+        u8                      dq[64];
+        u8                      u[64];
+        u8                      message[128];
+};
+
+struct type50_crb2_msg {
+        struct type50_hdr       header;
+        u16                     keyblock_type;
+        u8                      reserved[6];
+        u8                      p[128];
+        u8                      q[128];
+        u8                      dp[128];
+        u8                      dq[128];
+        u8                      u[128];
+        u8                      message[256];
+};
+
+union type50_msg {
+        struct type50_meb1_msg meb1;
+        struct type50_meb2_msg meb2;
+        struct type50_crb1_msg crb1;
+        struct type50_crb2_msg crb2;
+};
+
+struct type80_hdr {
+        u8      reserved1;
+        u8      type;
+        u16     len;
+        u8      code;
+        u8      reserved2[3];
+        u8      reserved3[8];
+};
+
+#define TYPE80_RSP_CODE 0x80
+
 struct error_hdr {
         unsigned char reserved1;
         unsigned char type;
@@ -657,6 +738,7 @@ struct error_hdr {
 };
 
 #define TYPE82_RSP_CODE 0x82
+#define TYPE88_RSP_CODE 0x88
 
 #define REP82_ERROR_MACHINE_FAILURE  0x10
 #define REP82_ERROR_PREEMPT_FAILURE  0x12
@@ -679,6 +761,22 @@ struct error_hdr {
 #define REP82_ERROR_PACKET_TRUNCATED 0xA0
 #define REP82_ERROR_ZERO_BUFFER_LEN  0xB0
 
+#define REP88_ERROR_MODULE_FAILURE   0x10
+#define REP88_ERROR_MODULE_TIMEOUT   0x11
+#define REP88_ERROR_MODULE_NOTINIT   0x13
+#define REP88_ERROR_MODULE_NOTAVAIL  0x14
+#define REP88_ERROR_MODULE_DISABLED  0x15
+#define REP88_ERROR_MODULE_IN_DIAGN  0x17
+#define REP88_ERROR_FASTPATH_DISABLD 0x19
+#define REP88_ERROR_MESSAGE_TYPE     0x20
+#define REP88_ERROR_MESSAGE_MALFORMD 0x22
+#define REP88_ERROR_MESSAGE_LENGTH   0x23
+#define REP88_ERROR_RESERVED_FIELD   0x24
+#define REP88_ERROR_KEY_TYPE         0x34
+#define REP88_ERROR_INVALID_KEY      0x82
+#define REP88_ERROR_OPERAND          0x84
+#define REP88_ERROR_OPERAND_EVEN_MOD 0x85
+
 #define CALLER_HEADER 12
 
 static inline int
@@ -687,7 +785,7 @@ testq(int q_nr, int *q_depth, int *dev_type, struct ap_status_word *stat)
         int ccode;
 
         asm volatile
-#ifdef __s390x__
+#ifdef CONFIG_64BIT
         ("      llgfr   0,%4            \n"
          "      slgr    1,1             \n"
          "      lgr     2,1             \n"
@@ -757,7 +855,7 @@ resetq(int q_nr, struct ap_status_word *stat_p)
         int ccode;
 
         asm volatile
-#ifdef __s390x__
+#ifdef CONFIG_64BIT
         ("      llgfr   0,%2            \n"
          "      lghi    1,1             \n"
          "      sll     1,24            \n"
@@ -823,7 +921,7 @@ sen(int msg_len, unsigned char *msg_ext, struct ap_status_word *stat)
         int ccode;
 
         asm volatile
-#ifdef __s390x__
+#ifdef CONFIG_64BIT
         ("      lgr     6,%3            \n"
          "      llgfr   7,%2            \n"
          "      llgt    0,0(6)          \n"
@@ -902,7 +1000,7 @@ rec(int q_nr, int buff_l, unsigned char *rsp, unsigned char *id,
         int ccode;
 
         asm volatile
-#ifdef __s390x__
+#ifdef CONFIG_64BIT
         ("      llgfr   0,%2            \n"
          "      lgr     3,%4            \n"
          "      lgr     6,%3            \n"
@@ -1029,10 +1127,6 @@ query_online(int deviceNr, int cdx, int resetNr, int *q_depth, int *dev_type)
                         stat = HD_ONLINE;
                         *q_depth = t_depth + 1;
                         switch (t_dev_type) {
-                        case OTHER_HW:
-                                stat = HD_NOT_THERE;
-                                *dev_type = NILDEV;
-                                break;
                         case PCICA_HW:
                                 *dev_type = PCICA;
                                 break;
@@ -1045,6 +1139,9 @@ query_online(int deviceNr, int cdx, int resetNr, int *q_depth, int *dev_type)
                         case CEX2C_HW:
                                 *dev_type = CEX2C;
                                 break;
+                        case CEX2A_HW:
+                                *dev_type = CEX2A;
+                                break;
                         default:
                                 *dev_type = NILDEV;
                                 break;
@@ -2029,6 +2126,177 @@ ICACRT_msg_to_type6CRT_msgX(struct ica_rsa_modexpo_crt *icaMsg_p, int cdx,
         return 0;
 }
 
+static int
+ICAMEX_msg_to_type50MEX_msg(struct ica_rsa_modexpo *icaMex_p, int *z90cMsg_l_p,
+                            union type50_msg *z90cMsg_p)
+{
+        int mod_len, msg_size, mod_tgt_len, exp_tgt_len, inp_tgt_len;
+        unsigned char *mod_tgt, *exp_tgt, *inp_tgt;
+        union type50_msg *tmp_type50_msg;
+
+        mod_len = icaMex_p->inputdatalength;
+
+        msg_size = ((mod_len <= 128) ? TYPE50_MEB1_LEN : TYPE50_MEB2_LEN) +
+                    CALLER_HEADER;
+
+        memset(z90cMsg_p, 0, msg_size);
+
+        tmp_type50_msg = (union type50_msg *)
+                ((unsigned char *) z90cMsg_p + CALLER_HEADER);
+
+        tmp_type50_msg->meb1.header.msg_type_code = TYPE50_TYPE_CODE;
+
+        if (mod_len <= 128) {
+                tmp_type50_msg->meb1.header.msg_len = TYPE50_MEB1_LEN;
+                tmp_type50_msg->meb1.keyblock_type = TYPE50_MEB1_FMT;
+                mod_tgt = tmp_type50_msg->meb1.modulus;
+                mod_tgt_len = sizeof(tmp_type50_msg->meb1.modulus);
+                exp_tgt = tmp_type50_msg->meb1.exponent;
+                exp_tgt_len = sizeof(tmp_type50_msg->meb1.exponent);
+                inp_tgt = tmp_type50_msg->meb1.message;
+                inp_tgt_len = sizeof(tmp_type50_msg->meb1.message);
+        } else {
+                tmp_type50_msg->meb2.header.msg_len = TYPE50_MEB2_LEN;
+                tmp_type50_msg->meb2.keyblock_type = TYPE50_MEB2_FMT;
+                mod_tgt = tmp_type50_msg->meb2.modulus;
+                mod_tgt_len = sizeof(tmp_type50_msg->meb2.modulus);
+                exp_tgt = tmp_type50_msg->meb2.exponent;
+                exp_tgt_len = sizeof(tmp_type50_msg->meb2.exponent);
+                inp_tgt = tmp_type50_msg->meb2.message;
+                inp_tgt_len = sizeof(tmp_type50_msg->meb2.message);
+        }
+
+        mod_tgt += (mod_tgt_len - mod_len);
+        if (copy_from_user(mod_tgt, icaMex_p->n_modulus, mod_len))
+                return SEN_RELEASED;
+        if (is_empty(mod_tgt, mod_len))
+                return SEN_USER_ERROR;
+        exp_tgt += (exp_tgt_len - mod_len);
+        if (copy_from_user(exp_tgt, icaMex_p->b_key, mod_len))
+                return SEN_RELEASED;
+        if (is_empty(exp_tgt, mod_len))
+                return SEN_USER_ERROR;
+        inp_tgt += (inp_tgt_len - mod_len);
+        if (copy_from_user(inp_tgt, icaMex_p->inputdata, mod_len))
+                return SEN_RELEASED;
+        if (is_empty(inp_tgt, mod_len))
+                return SEN_USER_ERROR;
+
+        *z90cMsg_l_p = msg_size - CALLER_HEADER;
+
+        return 0;
+}
+
+static int
+ICACRT_msg_to_type50CRT_msg(struct ica_rsa_modexpo_crt *icaMsg_p,
+                            int *z90cMsg_l_p, union type50_msg *z90cMsg_p)
+{
+        int mod_len, short_len, long_len, tmp_size, p_tgt_len, q_tgt_len,
+            dp_tgt_len, dq_tgt_len, u_tgt_len, inp_tgt_len, long_offset;
+        unsigned char *p_tgt, *q_tgt, *dp_tgt, *dq_tgt, *u_tgt, *inp_tgt,
+                      temp[8];
+        union type50_msg *tmp_type50_msg;
+
+        mod_len = icaMsg_p->inputdatalength;
+        short_len = mod_len / 2;
+        long_len = mod_len / 2 + 8;
+        long_offset = 0;
+
+        if (long_len > 128) {
+                memset(temp, 0x00, sizeof(temp));
+                if (copy_from_user(temp, icaMsg_p->np_prime, long_len-128))
+                        return SEN_RELEASED;
+                if (!is_empty(temp, 8))
+                        return SEN_NOT_AVAIL;
+                if (copy_from_user(temp, icaMsg_p->bp_key, long_len-128))
+                        return SEN_RELEASED;
+                if (!is_empty(temp, 8))
+                        return SEN_NOT_AVAIL;
+                if (copy_from_user(temp, icaMsg_p->u_mult_inv, long_len-128))
+                        return SEN_RELEASED;
+                if (!is_empty(temp, 8))
+                        return SEN_NOT_AVAIL;
+                long_offset = long_len - 128;
+                long_len = 128;
+        }
+
+        tmp_size = ((mod_len <= 128) ? TYPE50_CRB1_LEN : TYPE50_CRB2_LEN) +
+                    CALLER_HEADER;
+
+        memset(z90cMsg_p, 0, tmp_size);
+
+        tmp_type50_msg = (union type50_msg *)
+                ((unsigned char *) z90cMsg_p + CALLER_HEADER);
+
+        tmp_type50_msg->crb1.header.msg_type_code = TYPE50_TYPE_CODE;
+        if (long_len <= 64) {
+                tmp_type50_msg->crb1.header.msg_len = TYPE50_CRB1_LEN;
+                tmp_type50_msg->crb1.keyblock_type = TYPE50_CRB1_FMT;
+                p_tgt = tmp_type50_msg->crb1.p;
+                p_tgt_len = sizeof(tmp_type50_msg->crb1.p);
+                q_tgt = tmp_type50_msg->crb1.q;
+                q_tgt_len = sizeof(tmp_type50_msg->crb1.q);
+                dp_tgt = tmp_type50_msg->crb1.dp;
+                dp_tgt_len = sizeof(tmp_type50_msg->crb1.dp);
+                dq_tgt = tmp_type50_msg->crb1.dq;
+                dq_tgt_len = sizeof(tmp_type50_msg->crb1.dq);
+                u_tgt = tmp_type50_msg->crb1.u;
+                u_tgt_len = sizeof(tmp_type50_msg->crb1.u);
+                inp_tgt = tmp_type50_msg->crb1.message;
+                inp_tgt_len = sizeof(tmp_type50_msg->crb1.message);
+        } else {
+                tmp_type50_msg->crb2.header.msg_len = TYPE50_CRB2_LEN;
+                tmp_type50_msg->crb2.keyblock_type = TYPE50_CRB2_FMT;
+                p_tgt = tmp_type50_msg->crb2.p;
+                p_tgt_len = sizeof(tmp_type50_msg->crb2.p);
+                q_tgt = tmp_type50_msg->crb2.q;
+                q_tgt_len = sizeof(tmp_type50_msg->crb2.q);
+                dp_tgt = tmp_type50_msg->crb2.dp;
+                dp_tgt_len = sizeof(tmp_type50_msg->crb2.dp);
+                dq_tgt = tmp_type50_msg->crb2.dq;
+                dq_tgt_len = sizeof(tmp_type50_msg->crb2.dq);
+                u_tgt = tmp_type50_msg->crb2.u;
+                u_tgt_len = sizeof(tmp_type50_msg->crb2.u);
+                inp_tgt = tmp_type50_msg->crb2.message;
+                inp_tgt_len = sizeof(tmp_type50_msg->crb2.message);
+        }
+
+        p_tgt += (p_tgt_len - long_len);
+        if (copy_from_user(p_tgt, icaMsg_p->np_prime + long_offset, long_len))
+                return SEN_RELEASED;
+        if (is_empty(p_tgt, long_len))
+                return SEN_USER_ERROR;
+        q_tgt += (q_tgt_len - short_len);
+        if (copy_from_user(q_tgt, icaMsg_p->nq_prime, short_len))
+                return SEN_RELEASED;
+        if (is_empty(q_tgt, short_len))
+                return SEN_USER_ERROR;
+        dp_tgt += (dp_tgt_len - long_len);
+        if (copy_from_user(dp_tgt, icaMsg_p->bp_key + long_offset, long_len))
+                return SEN_RELEASED;
+        if (is_empty(dp_tgt, long_len))
+                return SEN_USER_ERROR;
+        dq_tgt += (dq_tgt_len - short_len);
+        if (copy_from_user(dq_tgt, icaMsg_p->bq_key, short_len))
+                return SEN_RELEASED;
+        if (is_empty(dq_tgt, short_len))
+                return SEN_USER_ERROR;
+        u_tgt += (u_tgt_len - long_len);
+        if (copy_from_user(u_tgt, icaMsg_p->u_mult_inv + long_offset, long_len))
+                return SEN_RELEASED;
+        if (is_empty(u_tgt, long_len))
+                return SEN_USER_ERROR;
+        inp_tgt += (inp_tgt_len - mod_len);
+        if (copy_from_user(inp_tgt, icaMsg_p->inputdata, mod_len))
+                return SEN_RELEASED;
+        if (is_empty(inp_tgt, mod_len))
+                return SEN_USER_ERROR;
+
+        *z90cMsg_l_p = tmp_size - CALLER_HEADER;
+
+        return 0;
+}
+
 int
 convert_request(unsigned char *buffer, int func, unsigned short function,
                 int cdx, int dev_type, int *msg_l_p, unsigned char *msg_p)
@@ -2071,6 +2339,16 @@ convert_request(unsigned char *buffer, int func, unsigned short function,
                                 cdx, msg_l_p, (struct type6_msg *) msg_p,
                                 dev_type);
         }
+        if (dev_type == CEX2A) {
+                if (func == ICARSACRT)
+                        return ICACRT_msg_to_type50CRT_msg(
+                                (struct ica_rsa_modexpo_crt *) buffer,
+                                msg_l_p, (union type50_msg *) msg_p);
+                else
+                        return ICAMEX_msg_to_type50MEX_msg(
+                                (struct ica_rsa_modexpo *) buffer,
+                                msg_l_p, (union type50_msg *) msg_p);
+        }
 
         return 0;
 }
@@ -2081,8 +2359,8 @@ unset_ext_bitlens(void)
 {
         if (!ext_bitlens_msg_count) {
                 PRINTK("Unable to use coprocessors for extended bitlengths. "
-                       "Using PCICAs (if present) for extended bitlengths. "
-                       "This is not an error.\n");
+                       "Using PCICAs/CEX2As (if present) for extended "
+                       "bitlengths. This is not an error.\n");
                 ext_bitlens_msg_count++;
         }
         ext_bitlens = 0;
@@ -2094,6 +2372,7 @@ convert_response(unsigned char *response, unsigned char *buffer,
 {
         struct ica_rsa_modexpo *icaMsg_p = (struct ica_rsa_modexpo *) buffer;
         struct error_hdr *errh_p = (struct error_hdr *) response;
+        struct type80_hdr *t80h_p = (struct type80_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;
@@ -2108,6 +2387,7 @@ convert_response(unsigned char *response, unsigned char *buffer,
         src_l = 0;
         switch (errh_p->type) {
         case TYPE82_RSP_CODE:
+        case TYPE88_RSP_CODE:
                 reply_code = errh_p->reply_code;
                 src_p = (unsigned char *)errh_p;
                 PRINTK("Hardware error: Type %02X Message Header: "
@@ -2116,6 +2396,10 @@ convert_response(unsigned char *response, unsigned char *buffer,
                        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;
+        case TYPE80_RSP_CODE:
+                src_l = icaMsg_p->outputdatalength;
+                src_p = response + (int)t80h_p->len - src_l;
+                break;
         case TYPE84_RSP_CODE:
                 src_l = icaMsg_p->outputdatalength;
                 src_p = response + (int)t84h_p->len - src_l;
@@ -2202,6 +2486,7 @@ convert_response(unsigned char *response, unsigned char *buffer,
         if (reply_code)
                 switch (reply_code) {
                 case REP82_ERROR_OPERAND_INVALID:
+                case REP88_ERROR_MESSAGE_MALFORMD:
                         return REC_OPERAND_INV;
                 case REP82_ERROR_OPERAND_SIZE:
                         return REC_OPERAND_SIZE;