usr/src/uts/common/sys/iscsit/iscsi_if.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _ISCSI_IF_H
  27 #define _ISCSI_IF_H
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #ifdef _KERNEL
  34 #include <sys/types.h>
  35 #include <sys/strsubr.h>        /* for prototype of kstrgetmsg */
  36 #include <sys/socket.h>
  37 #include <sys/socketvar.h>      /* for struct sonode */
  38 #endif
  39 #include <netinet/in.h>
  40 #include <sys/scsi/impl/uscsi.h>
  41 #include <sys/iscsi_protocol.h>
  42
  43 /*
  44  * Each of the top level structures have a version field as
  45  * the first member. That version value will be set by the
  46  * caller. The consumer of the structure will check to see
  47  * if the version is correct.
  48  */
  49 #define ISCSI_INTERFACE_VERSION                 3
  50
  51 /*
  52  * The maximum length of an iSCSI name is 223.  224 is used
  53  * to provide space for a null character.
  54  */
  55 #define ISCSI_MAX_NAME_LEN                      224
  56
  57 /*
  58  * Login parameter values are used instead of ascii text
  59  * between the IMA plug-in and kernel.
  60  */
  61 #define ISCSI_LOGIN_PARAM_DATA_SEQUENCE_IN_ORDER        0x0000  /* bool */
  62 #define ISCSI_LOGIN_PARAM_IMMEDIATE_DATA                0x0001  /* bool */
  63 #define ISCSI_LOGIN_PARAM_INITIAL_R2T                   0x0002  /* bool */
  64 #define ISCSI_LOGIN_PARAM_DATA_PDU_IN_ORDER             0x0003  /* bool */
  65 #define ISCSI_LOGIN_PARAM_HEADER_DIGEST                 0x0004  /* int */
  66 #define ISCSI_LOGIN_PARAM_DATA_DIGEST                   0x0005  /* int */
  67 #define ISCSI_LOGIN_PARAM_DEFAULT_TIME_2_RETAIN         0x0006  /* int */
  68 #define ISCSI_LOGIN_PARAM_DEFAULT_TIME_2_WAIT           0x0007  /* int */
  69 #define ISCSI_LOGIN_PARAM_MAX_RECV_DATA_SEGMENT_LENGTH  0x0008  /* int */
  70 #define ISCSI_LOGIN_PARAM_FIRST_BURST_LENGTH            0x0009  /* int */
  71 #define ISCSI_LOGIN_PARAM_MAX_BURST_LENGTH              0x000A  /* int */
  72 #define ISCSI_LOGIN_PARAM_MAX_CONNECTIONS               0x000B  /* int */
  73 #define ISCSI_LOGIN_PARAM_OUTSTANDING_R2T               0x000C  /* int */
  74 #define ISCSI_LOGIN_PARAM_ERROR_RECOVERY_LEVEL          0x000D  /* int */
  75 /*
  76  * number of login parameters - needs to be updated when new parameter added
  77  */
  78 #define ISCSI_NUM_LOGIN_PARAM                           0x000E
  79
  80 /*
  81  * Used internally by the persistent store code. Currently a bitmap is kept of
  82  * which params are currently set. This allows for quick a look up instead of
  83  * cycling through the possible entries. Using an unsigned int as the bitmap we
  84  * can have parameter numbers up through 31. Since the current only has 22
  85  * we're okay.
  86  */
  87 #define ISCSI_LOGIN_PARAM_DB_ENTRY                      0x0020
  88 /*
  89  * Special case. When this parameter value is set in iscsi_param_set_t
  90  * the member s_value (type iscsi_param_set_t) is not used.
  91  * The name field contains the InitiatorName for the system which
  92  * should be used for all future sessions.
  93  */
  94 #define ISCSI_LOGIN_PARAM_INITIATOR_NAME                0x0021
  95 #define ISCSI_LOGIN_PARAM_INITIATOR_ALIAS               0x0022
  96
  97 #define ISCSI_DEVCTL            "devctl"
  98 #define ISCSI_DRIVER_DEVCTL     "/devices/iscsi:" ISCSI_DEVCTL
  99
 100 /*
 101  * ioctls supported by the driver.
 102  */
 103 #define ISCSI_IOCTL             (('i' << 24) | ('S' << 16) | ('C' << 8))
 104 #define ISCSI_CREATE_OID                (ISCSI_IOCTL | 2)
 105 #define ISCSI_LOGIN                     (ISCSI_IOCTL | 3)
 106 #define ISCSI_LOGOUT                    (ISCSI_IOCTL | 4)
 107 #define ISCSI_PARAM_GET                 (ISCSI_IOCTL | 5)
 108 #define ISCSI_PARAM_SET                 (ISCSI_IOCTL | 6)
 109 #define ISCSI_TARGET_PARAM_CLEAR        (ISCSI_IOCTL | 8)
 110 #define ISCSI_TARGET_OID_LIST_GET       (ISCSI_IOCTL | 9)
 111 #define ISCSI_TARGET_PROPS_GET          (ISCSI_IOCTL | 10)
 112 #define ISCSI_TARGET_PROPS_SET          (ISCSI_IOCTL | 11)
 113 #define ISCSI_TARGET_ADDRESS_GET        (ISCSI_IOCTL | 12)
 114 #define ISCSI_CHAP_SET                  (ISCSI_IOCTL | 13)
 115 #define ISCSI_CHAP_GET                  (ISCSI_IOCTL | 14)
 116 #define ISCSI_CHAP_CLEAR                (ISCSI_IOCTL | 15)
 117 #define ISCSI_STATIC_GET                (ISCSI_IOCTL | 16)
 118 #define ISCSI_STATIC_SET                (ISCSI_IOCTL | 17)
 119 #define ISCSI_STATIC_CLEAR              (ISCSI_IOCTL | 18)
 120 #define ISCSI_DISCOVERY_SET             (ISCSI_IOCTL | 19)
 121 #define ISCSI_DISCOVERY_GET             (ISCSI_IOCTL | 20)
 122 #define ISCSI_DISCOVERY_CLEAR           (ISCSI_IOCTL | 21)
 123 #define ISCSI_DISCOVERY_PROPS           (ISCSI_IOCTL | 22)
 124 #define ISCSI_DISCOVERY_ADDR_SET        (ISCSI_IOCTL | 23)
 125 #define ISCSI_DISCOVERY_ADDR_LIST_GET   (ISCSI_IOCTL | 24)
 126 #define ISCSI_DISCOVERY_ADDR_CLEAR      (ISCSI_IOCTL | 25)
 127 #define ISCSI_RADIUS_SET                (ISCSI_IOCTL | 26)
 128 #define ISCSI_RADIUS_GET                (ISCSI_IOCTL | 27)
 129 #define ISCSI_DB_RELOAD                 (ISCSI_IOCTL | 28)
 130 #define ISCSI_LUN_OID_LIST_GET          (ISCSI_IOCTL | 29)
 131 #define ISCSI_LUN_PROPS_GET             (ISCSI_IOCTL | 30)
 132 #define ISCSI_CONN_OID_LIST_GET         (ISCSI_IOCTL | 31)
 133 #define ISCSI_CONN_PROPS_GET            (ISCSI_IOCTL | 32)
 134 #define ISCSI_USCSI                     (ISCSI_IOCTL | 33)
 135 #define ISCSI_DOOR_HANDLE_SET           (ISCSI_IOCTL | 34)
 136 #define ISCSI_DISCOVERY_EVENTS          (ISCSI_IOCTL | 35)
 137 #define ISCSI_AUTH_SET                  (ISCSI_IOCTL | 36)
 138 #define ISCSI_AUTH_GET                  (ISCSI_IOCTL | 37)
 139 #define ISCSI_AUTH_CLEAR                (ISCSI_IOCTL | 38)
 140 #define ISCSI_SENDTGTS_GET              (ISCSI_IOCTL | 39)
 141 #define ISCSI_ISNS_SERVER_ADDR_SET      (ISCSI_IOCTL | 40)
 142 #define ISCSI_ISNS_SERVER_ADDR_LIST_GET (ISCSI_IOCTL | 41)
 143 #define ISCSI_ISNS_SERVER_ADDR_CLEAR    (ISCSI_IOCTL | 42)
 144 #define ISCSI_ISNS_SERVER_GET           (ISCSI_IOCTL | 43)
 145 #define ISCSI_GET_CONFIG_SESSIONS       (ISCSI_IOCTL | 44)
 146 #define ISCSI_SET_CONFIG_SESSIONS       (ISCSI_IOCTL | 45)
 147 #define ISCSI_INIT_NODE_NAME_SET        (ISCSI_IOCTL | 46)
 148 #define ISCSI_DB_DUMP                   (ISCSI_IOCTL | 100) /* DBG */
 149
 150 /*
 151  * Misc. defines
 152  */
 153 #define ISCSI_CHAP_NAME_LEN                     512
 154 #define ISCSI_CHAP_SECRET_LEN                   16
 155 #define ISCSI_TGT_OID_LIST                      0x0001
 156 #define ISCSI_STATIC_TGT_OID_LIST               0x0002
 157 #define ISCSI_TGT_PARAM_OID_LIST                0x0004
 158 #define ISCSI_SESS_PARAM                        0x0001
 159 #define ISCSI_CONN_PARAM                        0x0002
 160
 161 /* digest level defines */
 162 #define ISCSI_DIGEST_NONE               0
 163 #define ISCSI_DIGEST_CRC32C             1
 164 #define ISCSI_DIGEST_CRC32C_NONE        2 /* offer both, prefer CRC32C */
 165 #define ISCSI_DIGEST_NONE_CRC32C        3 /* offer both, prefer None */
 166
 167 /*
 168  * A last error associated with each target session is returned in the
 169  * iscsi_target_t structure.
 170  */
 171 typedef enum iscsi_error {
 172         NoError, AuthenticationError, LoginParamError, ConnectionReset
 173 } iscsi_error_t;
 174
 175 /*
 176  * The values associated with each enum is based on the IMA specification.
 177  */
 178 typedef enum    iSCSIDiscoveryMethod {
 179         iSCSIDiscoveryMethodUnknown     = 0,
 180         iSCSIDiscoveryMethodStatic      = 1,
 181         iSCSIDiscoveryMethodSLP         = 2,
 182         iSCSIDiscoveryMethodISNS        = 4,
 183         iSCSIDiscoveryMethodSendTargets = 8
 184 } iSCSIDiscoveryMethod_t;
 185 #define ISCSI_ALL_DISCOVERY_METHODS     (iSCSIDiscoveryMethodStatic |   \
 186                                         iSCSIDiscoveryMethodSLP |       \
 187                                         iSCSIDiscoveryMethodISNS |      \
 188                                         iSCSIDiscoveryMethodSendTargets)
 189
 190 /*
 191  * Before anything can be done to a target it must have an OID.
 192  */
 193 typedef struct iscsi_oid {
 194         uint32_t                o_vers;                         /* In */
 195         uchar_t                 o_name[ISCSI_MAX_NAME_LEN];     /* In */
 196         /*
 197          * tpgt is only 16 bits per spec.  use 32 in ioctl to reduce
 198          * packing issue.  Also -1 tpgt denotes default value.  iSCSI
 199          * stack will detemermine tpgt during login.
 200          */
 201         int                     o_tpgt;                         /* In */
 202         uint32_t                o_oid;                          /* Out */
 203 } iscsi_oid_t;
 204 #define ISCSI_OID_NOTSET        0
 205 #define ISCSI_INITIATOR_OID     1       /* Other OIDs follow > 1 */
 206 #define ISCSI_DEFAULT_TPGT      -1
 207
 208 /*
 209  * iSCSI Login Parameters - Reference iscsi draft for
 210  * definitions of the below login params.
 211  */
 212 typedef struct iscsi_login_params {
 213         boolean_t       immediate_data;
 214         boolean_t       initial_r2t;
 215         int             first_burst_length;     /* range: 512 - 2**24-1 */
 216         int             max_burst_length;       /* range: 512 - 2**24-1 */
 217         boolean_t       data_pdu_in_order;
 218         boolean_t       data_sequence_in_order;
 219         int             default_time_to_wait;
 220         int             default_time_to_retain;
 221         int             header_digest;
 222         int             data_digest;
 223         int             max_recv_data_seg_len;  /* range: 512 - 2**24-1 */
 224         int             max_xmit_data_seg_len;  /* range: 512 - 2**24-1 */
 225         int             max_connections;
 226         int             max_outstanding_r2t;
 227         int             error_recovery_level;
 228         boolean_t       ifmarker;
 229         boolean_t       ofmarker;
 230 } iscsi_login_params_t;
 231
 232 /*
 233  * Once parameters have been set via ISCSI_SET_PARAM the login is initiated
 234  * by sending an ISCSI_LOGIN ioctl with the following structure filled in.
 235  */
 236 typedef struct entry {
 237         int                     e_vers;
 238         uint32_t                e_oid;
 239         union {
 240                 struct in_addr          u_in4;
 241                 struct in6_addr         u_in6;
 242         } e_u;
 243         /*
 244          * e_insize indicates which of the previous structs is valid.
 245          */
 246         int                     e_insize;
 247         int                     e_port;
 248         int                     e_tpgt;
 249 } entry_t;
 250
 251 /*
 252  * Used when setting or gettnig the Initiator Name or Alias.
 253  */
 254 typedef struct node_name {
 255         unsigned char           n_name[ISCSI_MAX_NAME_LEN];
 256         int                     n_len;
 257 } node_name_t;
 258
 259 typedef struct  _iSCSIMinMaxValue {
 260         uint32_t                i_current,
 261                                 i_default,
 262                                 i_min,
 263                                 i_max,
 264                                 i_incr;
 265 } iscsi_int_info_t;
 266
 267 typedef struct  _iSCSIBoolValue {
 268         boolean_t               b_current,
 269                                 b_default;
 270 } iscsi_bool_info_t;
 271
 272 typedef struct  _iSCSIParamValueGet {
 273         boolean_t               v_valid,
 274                                 v_settable;
 275         iscsi_int_info_t        v_integer;
 276         iscsi_bool_info_t       v_bool;
 277         uchar_t                 v_name[ISCSI_MAX_NAME_LEN];
 278 } iscsi_get_value_t;
 279
 280 typedef struct  _iSCSILoginParamGet {
 281         uint32_t                g_vers;                         /* In */
 282         uint32_t                g_oid;                          /* In */
 283         uint32_t                g_param;                        /* Out */
 284         iscsi_get_value_t       g_value;                        /* Out */
 285         uint32_t                g_conn_cid;                     /* In */
 286
 287         /*
 288          * To indicate whether session or connection related param is
 289          * being requested.
 290          */
 291         uint32_t                g_param_type;                   /* In */
 292 } iscsi_param_get_t;
 293
 294 typedef struct  iscsi_set_value {
 295         uint32_t                v_integer;
 296         boolean_t               v_bool;
 297         uchar_t                 v_name[ISCSI_MAX_NAME_LEN];
 298 } iscsi_set_value_t;
 299
 300 /*
 301  * All of the members of this structure are set by the user agent and
 302  * consumed by the driver.
 303  */
 304 typedef struct  iSCSILoginParamSet {
 305         uint32_t                s_vers,
 306                                 s_oid;
 307         uint32_t                s_param;
 308         iscsi_set_value_t       s_value;
 309 } iscsi_param_set_t;
 310
 311 /*
 312  * Data in this structure is set by the user agent and consumed by
 313  * the driver.
 314  */
 315 typedef struct chap_props {
 316         uint32_t                c_vers,
 317                                 c_retries,
 318                                 c_oid;
 319         unsigned char           c_user[128];
 320         uint32_t                c_user_len;
 321         unsigned char           c_secret[16];
 322         uint32_t                c_secret_len;
 323 } iscsi_chap_props_t;
 324
 325 typedef enum    authMethod {
 326         authMethodNone  = 0x00,
 327         authMethodCHAP  = 0x01,
 328         authMethodSRP   = 0x02,
 329         authMethodKRB5  = 0x04,
 330         authMethodSPKM1 = 0x08,
 331         authMethodSPKM2 = 0x10
 332 } authMethod_t;
 333
 334 /*
 335  * Data in this structure is set by the user agent and consumed by
 336  * the driver.
 337  */
 338 typedef struct auth_props {
 339         uint32_t a_vers;
 340         uint32_t a_oid;
 341         boolean_t a_bi_auth;
 342         authMethod_t a_auth_method;
 343 } iscsi_auth_props_t;
 344
 345 /*
 346  * Data in this structure is set by the user agent and consumed by
 347  * the driver.
 348  */
 349 #define MAX_RAD_SHARED_SECRET_LEN 128
 350 typedef struct radius_props {
 351         uint32_t                r_vers;
 352         uint32_t                r_oid;
 353         union {
 354                 struct in_addr          u_in4;
 355                 struct in6_addr         u_in6;
 356         } r_addr;
 357         /*
 358          * r_insize indicates which of the previous structs is valid.
 359          */
 360         int                     r_insize;
 361
 362         uint32_t                r_port;
 363         uint8_t                 r_shared_secret[MAX_RAD_SHARED_SECRET_LEN];
 364         boolean_t               r_radius_access;
 365         boolean_t               r_radius_config_valid;
 366         uint32_t                r_shared_secret_len;
 367 } iscsi_radius_props_t;
 368
 369 typedef struct  _IPAddress {
 370         union {
 371                 struct in_addr  in4;
 372                 struct in6_addr in6;
 373         } i_addr;
 374         /* i_insize determines which is valid in the union above */
 375         int                     i_insize;
 376 } iscsi_ipaddr_t;
 377
 378 typedef struct  _iSCSITargetAddressKey {
 379         iscsi_ipaddr_t          a_addr;
 380         uint32_t                a_port,
 381                                 a_oid;
 382 } iscsi_addr_t;
 383
 384 typedef struct  _iSCSITargetAddressKeyProperties {
 385         uint32_t                al_vers,                        /* In */
 386                                 al_oid;                         /* In */
 387         uint32_t                al_in_cnt;                      /* In */
 388         uint32_t                al_out_cnt;                     /* Out */
 389         uint32_t                al_tpgt;                        /* Out */
 390         iscsi_addr_t            al_addrs[1];                    /* Out */
 391 } iscsi_addr_list_t;
 392
 393 typedef struct  _iSCSITargetProperties {
 394         uint32_t                p_vers,                         /* In */
 395                                 p_oid;                          /* In */
 396         uchar_t                 p_name[ISCSI_MAX_NAME_LEN];     /* Out */
 397         uint_t                  p_name_len;                     /* Out */
 398         uchar_t                 p_alias[ISCSI_MAX_NAME_LEN];    /* Out */
 399         uint_t                  p_alias_len;                    /* Out */
 400         iSCSIDiscoveryMethod_t  p_discovery;                    /* Out */
 401         boolean_t               p_connected;                    /* Out */
 402         uint32_t                p_num_of_connections;           /* Out */
 403         /* ---- If connected == B_TRUE then lastErr has no meaning. ---- */
 404         iscsi_error_t           p_last_err;                     /* Out */
 405         /*
 406          * Target portal group tag = -1 value means default.
 407          */
 408         int                     p_tpgt_conf;                    /* Out */
 409         int                     p_tpgt_nego;                    /* Out */
 410         uchar_t                 p_isid[ISCSI_ISID_LEN];         /* Out */
 411         uchar_t                 p_reserved[128];
 412 } iscsi_property_t;
 413
 414 typedef struct  _iSCSITargetDeviceList {
 415         uint32_t                tl_vers,                        /* In */
 416                                 tl_in_cnt,                      /* In */
 417                                 tl_tgt_list_type,               /* In */
 418                                 tl_out_cnt,                     /* Out */
 419                                 tl_oid_list[1];                 /* Out */
 420 } iscsi_target_list_t;
 421
 422 typedef struct  _iSCSIStaticTargetProperties {
 423         uint32_t                p_vers,                         /* In */
 424                                 p_oid;                          /* In */
 425         uchar_t                 p_name[ISCSI_MAX_NAME_LEN];     /* Out */
 426         uint_t                  p_name_len;                     /* Out */
 427         iscsi_addr_list_t       p_addr_list;                    /* Out */
 428 } iscsi_static_property_t;
 429
 430 typedef enum iscsi_lun_status {
 431         LunValid, LunDoesNotExist
 432 } iscsi_lun_status_t;
 433
 434 /*
 435  * SCSI inquiry vendor and product identifier buffer length - these values are
 436  * defined by the identifier length plus 1 byte for the
 437  * null termination.
 438  */
 439 #define ISCSI_INQ_VID_BUF_LEN           9       /* 8 byte ID */
 440 #define ISCSI_INQ_PID_BUF_LEN           17      /* 16 byte ID */
 441
 442 typedef struct iscsi_lun_props {
 443         uint32_t                lp_vers,                        /* In */
 444                                 lp_tgt_oid,                     /* In */
 445                                 lp_oid,                         /* In */
 446                                 lp_num,                         /* Out */
 447                                 lp_status;                      /* Out */
 448         char                    lp_pathname[MAXPATHLEN],        /* Out */
 449                                 lp_vid[ISCSI_INQ_VID_BUF_LEN],  /* Out */
 450                                 lp_pid[ISCSI_INQ_PID_BUF_LEN];  /* Out */
 451         time_t                  lp_time_online;                 /* Out */
 452 } iscsi_lun_props_t;
 453
 454 typedef struct iscsi_if_lun {
 455         uint32_t                l_tgt_oid,
 456                                 l_oid,
 457                                 l_num;
 458 } iscsi_if_lun_t;
 459
 460 typedef struct iscsi_lun_list {
 461         uint32_t                ll_vers;                        /* In */
 462         boolean_t               ll_all_tgts;                    /* In */
 463         uint32_t                ll_tgt_oid,                     /* In */
 464                                 ll_in_cnt,                      /* In */
 465                                 ll_out_cnt;                     /* Out */
 466         iscsi_if_lun_t          ll_luns[1];                     /* Out */
 467 } iscsi_lun_list_t;
 468
 469 typedef struct iscsi_conn_props {
 470         uint32_t                cp_vers,                        /* In */
 471                                 cp_oid,                         /* In */
 472                                 cp_cid,                         /* In */
 473                                 cp_sess_oid;                    /* In */
 474         union {
 475                 struct  sockaddr_in     soa4;
 476                 struct  sockaddr_in6    soa6;
 477         } cp_local;                                             /* Out */
 478         union {
 479                 struct  sockaddr_in     soa4;
 480                 struct  sockaddr_in6    soa6;
 481         } cp_peer;                                              /* Out */
 482
 483
 484         iscsi_login_params_t    cp_params;
 485         boolean_t               cp_params_valid;
 486
 487 } iscsi_conn_props_t;
 488
 489 typedef struct iscsi_if_conn {
 490         uint32_t                c_sess_oid,
 491                                 c_oid,
 492                                 c_cid;
 493 } iscsi_if_conn_t;
 494
 495 typedef struct iscsi_conn_list {
 496         uint32_t                cl_vers;                        /* In */
 497         boolean_t               cl_all_sess;                    /* In */
 498         uint32_t                cl_sess_oid,                    /* In */
 499                                 cl_in_cnt,                      /* In */
 500                                 cl_out_cnt;                     /* Out */
 501         iscsi_if_conn_t         cl_list[1];                     /* Out */
 502 } iscsi_conn_list_t;
 503
 504 typedef enum iSNSDiscoveryMethod {
 505         iSNSDiscoveryMethodStatic       = 0,
 506         iSNSDiscoveryMethodDHCP         = 1,
 507         iSNSDiscoveryMethodSLP          = 2
 508 } isns_method_t;
 509
 510 typedef struct iSCSIDiscoveryProperties {
 511         uint32_t                vers;
 512         boolean_t               iSNSDiscoverySettable;
 513         boolean_t               iSNSDiscoveryEnabled;
 514         isns_method_t           iSNSDiscoveryMethod;
 515         unsigned char           iSNSDomainName[256];
 516         boolean_t               SLPDiscoverySettable;
 517         boolean_t               SLPDiscoveryEnabled;
 518         boolean_t               StaticDiscoverySettable;
 519         boolean_t               StaticDiscoveryEnabled;
 520         boolean_t               SendTargetsDiscoverySettable;
 521         boolean_t               SendTargetsDiscoveryEnabled;
 522 } iSCSIDiscoveryProperties_t;
 523
 524 typedef struct iscsi_uscsi {
 525         uint32_t                iu_vers;
 526         uint32_t                iu_oid;
 527         int                     iu_tpgt;
 528         uint32_t                iu_len;
 529         uint32_t                iu_lun;
 530         struct uscsi_cmd        iu_ucmd;
 531 } iscsi_uscsi_t;
 532
 533 #if defined(_SYSCALL32)
 534 typedef struct iscsi_uscsi32 {
 535         uint32_t                iu_vers;
 536         uint32_t                iu_oid;
 537         int                     iu_tpgt;
 538         uint32_t                iu_len;
 539         uint32_t                iu_lun;
 540         struct uscsi_cmd32      iu_ucmd;
 541 } iscsi_uscsi32_t;
 542 #endif /* _SYSCALL32 */
 543
 544 typedef struct iscsi_sendtgts_entry {
 545         /* ---- Node name, NULL terminated UTF-8 string ---- */
 546         uchar_t                 ste_name[ISCSI_MAX_NAME_LEN];
 547
 548         iscsi_addr_t            ste_ipaddr;
 549         int                     ste_tpgt;
 550 } iscsi_sendtgts_entry_t;
 551
 552 typedef struct iscsi_sendtgts_list {
 553         entry_t                 stl_entry;                      /* In */
 554         uint32_t                stl_in_cnt,                     /* In */
 555                                 stl_out_cnt;                    /* Out */
 556         iscsi_sendtgts_entry_t  stl_list[1];                    /* Out */
 557 } iscsi_sendtgts_list_t;
 558
 559 typedef struct iscsi_statictgt_entry {
 560         entry_t                 te_entry;                       /* In */
 561         uchar_t                 te_name[ISCSI_MAX_NAME_LEN];    /* In */
 562 } iscsi_target_entry_t;
 563
 564 /* iSNS Draft - section 4.1.1. */
 565 typedef struct isns_portal_group {
 566         uint8_t pg_iscsi_name[ISCSI_MAX_NAME_LEN];
 567         union {
 568                 in_addr_t       u_ip4;
 569                 in6_addr_t      u_ip6;
 570         } pg_ip_addr;
 571         int     insize;
 572
 573         in_port_t pg_port;
 574         uint16_t pg_tag;
 575
 576         iscsi_ipaddr_t  isns_server_ip;
 577         uint32_t        isns_server_port;
 578 } isns_portal_group_t;
 579
 580 typedef struct isns_portal_group_list {
 581         uint32_t                pg_in_cnt,
 582                                 pg_out_cnt;
 583         isns_portal_group_t     pg_list[1];
 584 } isns_portal_group_list_t;
 585
 586 typedef struct isns_server_portal_group_list {
 587         iscsi_addr_t                addr;
 588         isns_portal_group_list_t    addr_port_list;
 589 } isns_server_portal_group_list_t;
 590
 591 #define ISCSI_MIN_CONFIG_SESSIONS       1
 592 /* lowered max config sessions due to ct_power_cnt >= 0 assert */
 593 #define ISCSI_MAX_CONFIG_SESSIONS       4
 594
 595 typedef struct iscsi_config_sess {
 596         uint32_t        ics_ver;
 597         uint32_t        ics_oid;
 598         boolean_t       ics_bound;
 599         uint_t          ics_in;
 600         uint_t          ics_out;
 601         iscsi_ipaddr_t  ics_bindings[1];
 602 } iscsi_config_sess_t;
 603
 604 #define ISCSI_SESSION_CONFIG_SIZE(SIZE)         \
 605         (sizeof (iscsi_config_sess_t) +         \
 606         ((SIZE - 1) * sizeof (iscsi_ipaddr_t)))
 607
 608 /*
 609  * Event class and subclass information
 610  */
 611 #define EC_ISCSI                        "EC_iSCSI"
 612 #define ESC_ISCSI_STATIC_START          "ESC_static_start"
 613 #define ESC_ISCSI_STATIC_END            "ESC_static_end"
 614 #define ESC_ISCSI_SEND_TARGETS_START    "ESC_send_targets_start"
 615 #define ESC_ISCSI_SEND_TARGETS_END      "ESC_send_targets_end"
 616 #define ESC_ISCSI_SLP_START             "ESC_slp_start"
 617 #define ESC_ISCSI_SLP_END               "ESC_slp_end"
 618 #define ESC_ISCSI_ISNS_START            "ESC_isns_start"
 619 #define ESC_ISCSI_ISNS_END              "ESC_isns_end"
 620 #define ESC_ISCSI_PROP_CHANGE           "ESC_prop_change"
 621
 622 #ifdef _KERNEL
 623 /* ---- iscsi_utils.c ---- */
 624 extern int              iscsid_open(char *, int, int);
 625 extern int              iscsid_close(int);
 626 extern int              iscsid_remove(char *filename);
 627 extern int              iscsid_rename(char *oldname, char *newname);
 628 extern ssize_t          iscsid_write(int, void *, ssize_t);
 629 extern ssize_t          iscsid_read(int, void *, ssize_t);
 630 extern ssize_t          iscsid_sendto(struct sonode *, void *, size_t,
 631     struct sockaddr *, socklen_t);
 632 extern ssize_t          iscsid_recvfrom(struct sonode *, void *buffer,
 633     size_t len);
 634 extern int              iscsid_errno;
 635 #endif
 636
 637 /*
 638  * Function prototypes for those routines found in the common code
 639  */
 640 /* ---- utils.c ---- */
 641 extern boolean_t        utils_iqn_create(char *, int);
 642 extern char             *prt_bitmap(int, char *, char *, int);
 643 extern char             *utils_map_param(int);
 644 extern boolean_t        parse_addr_port_tpgt(char *in, char **addr,
 645                             int *type, char **port, char **tpgt);
 646
 647 #ifdef __cplusplus
 648 }
 649 #endif
 650
 651 #endif /* _ISCSI_IF_H */