linux/drivers/target/iscsi/iscsi_target_parameters.h
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   1#ifndef ISCSI_PARAMETERS_H
   2#define ISCSI_PARAMETERS_H
   3
   4struct iscsi_extra_response {
   5        char key[64];
   6        char value[32];
   7        struct list_head er_list;
   8} ____cacheline_aligned;
   9
  10struct iscsi_param {
  11        char *name;
  12        char *value;
  13        u8 set_param;
  14        u8 phase;
  15        u8 scope;
  16        u8 sender;
  17        u8 type;
  18        u8 use;
  19        u16 type_range;
  20        u32 state;
  21        struct list_head p_list;
  22} ____cacheline_aligned;
  23
  24extern int iscsi_login_rx_data(struct iscsi_conn *, char *, int);
  25extern int iscsi_login_tx_data(struct iscsi_conn *, char *, char *, int);
  26extern void iscsi_dump_conn_ops(struct iscsi_conn_ops *);
  27extern void iscsi_dump_sess_ops(struct iscsi_sess_ops *);
  28extern void iscsi_print_params(struct iscsi_param_list *);
  29extern int iscsi_create_default_params(struct iscsi_param_list **);
  30extern int iscsi_set_keys_to_negotiate(int, struct iscsi_param_list *);
  31extern int iscsi_set_keys_irrelevant_for_discovery(struct iscsi_param_list *);
  32extern int iscsi_copy_param_list(struct iscsi_param_list **,
  33                        struct iscsi_param_list *, int);
  34extern int iscsi_change_param_value(char *, struct iscsi_param_list *, int);
  35extern void iscsi_release_param_list(struct iscsi_param_list *);
  36extern struct iscsi_param *iscsi_find_param_from_key(char *, struct iscsi_param_list *);
  37extern int iscsi_extract_key_value(char *, char **, char **);
  38extern int iscsi_update_param_value(struct iscsi_param *, char *);
  39extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_param_list *);
  40extern int iscsi_encode_text_output(u8, u8, char *, u32 *,
  41                        struct iscsi_param_list *);
  42extern int iscsi_check_negotiated_keys(struct iscsi_param_list *);
  43extern void iscsi_set_connection_parameters(struct iscsi_conn_ops *,
  44                        struct iscsi_param_list *);
  45extern void iscsi_set_session_parameters(struct iscsi_sess_ops *,
  46                        struct iscsi_param_list *, int);
  47
  48#define YES                             "Yes"
  49#define NO                              "No"
  50#define ALL                             "All"
  51#define IRRELEVANT                      "Irrelevant"
  52#define NONE                            "None"
  53#define NOTUNDERSTOOD                   "NotUnderstood"
  54#define REJECT                          "Reject"
  55
  56/*
  57 * The Parameter Names.
  58 */
  59#define AUTHMETHOD                      "AuthMethod"
  60#define HEADERDIGEST                    "HeaderDigest"
  61#define DATADIGEST                      "DataDigest"
  62#define MAXCONNECTIONS                  "MaxConnections"
  63#define SENDTARGETS                     "SendTargets"
  64#define TARGETNAME                      "TargetName"
  65#define INITIATORNAME                   "InitiatorName"
  66#define TARGETALIAS                     "TargetAlias"
  67#define INITIATORALIAS                  "InitiatorAlias"
  68#define TARGETADDRESS                   "TargetAddress"
  69#define TARGETPORTALGROUPTAG            "TargetPortalGroupTag"
  70#define INITIALR2T                      "InitialR2T"
  71#define IMMEDIATEDATA                   "ImmediateData"
  72#define MAXRECVDATASEGMENTLENGTH        "MaxRecvDataSegmentLength"
  73#define MAXBURSTLENGTH                  "MaxBurstLength"
  74#define FIRSTBURSTLENGTH                "FirstBurstLength"
  75#define DEFAULTTIME2WAIT                "DefaultTime2Wait"
  76#define DEFAULTTIME2RETAIN              "DefaultTime2Retain"
  77#define MAXOUTSTANDINGR2T               "MaxOutstandingR2T"
  78#define DATAPDUINORDER                  "DataPDUInOrder"
  79#define DATASEQUENCEINORDER             "DataSequenceInOrder"
  80#define ERRORRECOVERYLEVEL              "ErrorRecoveryLevel"
  81#define SESSIONTYPE                     "SessionType"
  82#define IFMARKER                        "IFMarker"
  83#define OFMARKER                        "OFMarker"
  84#define IFMARKINT                       "IFMarkInt"
  85#define OFMARKINT                       "OFMarkInt"
  86#define X_EXTENSIONKEY                  "X-com.sbei.version"
  87#define X_EXTENSIONKEY_CISCO_NEW        "X-com.cisco.protocol"
  88#define X_EXTENSIONKEY_CISCO_OLD        "X-com.cisco.iscsi.draft"
  89
  90/*
  91 * For AuthMethod.
  92 */
  93#define KRB5                            "KRB5"
  94#define SPKM1                           "SPKM1"
  95#define SPKM2                           "SPKM2"
  96#define SRP                             "SRP"
  97#define CHAP                            "CHAP"
  98
  99/*
 100 * Initial values for Parameter Negotiation.
 101 */
 102#define INITIAL_AUTHMETHOD                      CHAP
 103#define INITIAL_HEADERDIGEST                    "CRC32C,None"
 104#define INITIAL_DATADIGEST                      "CRC32C,None"
 105#define INITIAL_MAXCONNECTIONS                  "1"
 106#define INITIAL_SENDTARGETS                     ALL
 107#define INITIAL_TARGETNAME                      "LIO.Target"
 108#define INITIAL_INITIATORNAME                   "LIO.Initiator"
 109#define INITIAL_TARGETALIAS                     "LIO Target"
 110#define INITIAL_INITIATORALIAS                  "LIO Initiator"
 111#define INITIAL_TARGETADDRESS                   "0.0.0.0:0000,0"
 112#define INITIAL_TARGETPORTALGROUPTAG            "1"
 113#define INITIAL_INITIALR2T                      YES
 114#define INITIAL_IMMEDIATEDATA                   YES
 115#define INITIAL_MAXRECVDATASEGMENTLENGTH        "8192"
 116#define INITIAL_MAXBURSTLENGTH                  "262144"
 117#define INITIAL_FIRSTBURSTLENGTH                "65536"
 118#define INITIAL_DEFAULTTIME2WAIT                "2"
 119#define INITIAL_DEFAULTTIME2RETAIN              "20"
 120#define INITIAL_MAXOUTSTANDINGR2T               "1"
 121#define INITIAL_DATAPDUINORDER                  YES
 122#define INITIAL_DATASEQUENCEINORDER             YES
 123#define INITIAL_ERRORRECOVERYLEVEL              "0"
 124#define INITIAL_SESSIONTYPE                     NORMAL
 125#define INITIAL_IFMARKER                        NO
 126#define INITIAL_OFMARKER                        NO
 127#define INITIAL_IFMARKINT                       "2048~65535"
 128#define INITIAL_OFMARKINT                       "2048~65535"
 129
 130/*
 131 * For [Header,Data]Digests.
 132 */
 133#define CRC32C                          "CRC32C"
 134
 135/*
 136 * For SessionType.
 137 */
 138#define DISCOVERY                       "Discovery"
 139#define NORMAL                          "Normal"
 140
 141/*
 142 * struct iscsi_param->use
 143 */
 144#define USE_LEADING_ONLY                0x01
 145#define USE_INITIAL_ONLY                0x02
 146#define USE_ALL                         0x04
 147
 148#define IS_USE_LEADING_ONLY(p)          ((p)->use & USE_LEADING_ONLY)
 149#define IS_USE_INITIAL_ONLY(p)          ((p)->use & USE_INITIAL_ONLY)
 150#define IS_USE_ALL(p)                   ((p)->use & USE_ALL)
 151
 152#define SET_USE_INITIAL_ONLY(p)         ((p)->use |= USE_INITIAL_ONLY)
 153
 154/*
 155 * struct iscsi_param->sender
 156 */
 157#define SENDER_INITIATOR                0x01
 158#define SENDER_TARGET                   0x02
 159#define SENDER_BOTH                     0x03
 160/* Used in iscsi_check_key() */
 161#define SENDER_RECEIVER                 0x04
 162
 163#define IS_SENDER_INITIATOR(p)          ((p)->sender & SENDER_INITIATOR)
 164#define IS_SENDER_TARGET(p)             ((p)->sender & SENDER_TARGET)
 165#define IS_SENDER_BOTH(p)               ((p)->sender & SENDER_BOTH)
 166
 167/*
 168 * struct iscsi_param->scope
 169 */
 170#define SCOPE_CONNECTION_ONLY           0x01
 171#define SCOPE_SESSION_WIDE              0x02
 172
 173#define IS_SCOPE_CONNECTION_ONLY(p)     ((p)->scope & SCOPE_CONNECTION_ONLY)
 174#define IS_SCOPE_SESSION_WIDE(p)        ((p)->scope & SCOPE_SESSION_WIDE)
 175
 176/*
 177 * struct iscsi_param->phase
 178 */
 179#define PHASE_SECURITY                  0x01
 180#define PHASE_OPERATIONAL               0x02
 181#define PHASE_DECLARATIVE               0x04
 182#define PHASE_FFP0                      0x08
 183
 184#define IS_PHASE_SECURITY(p)            ((p)->phase & PHASE_SECURITY)
 185#define IS_PHASE_OPERATIONAL(p)         ((p)->phase & PHASE_OPERATIONAL)
 186#define IS_PHASE_DECLARATIVE(p)         ((p)->phase & PHASE_DECLARATIVE)
 187#define IS_PHASE_FFP0(p)                ((p)->phase & PHASE_FFP0)
 188
 189/*
 190 * struct iscsi_param->type
 191 */
 192#define TYPE_BOOL_AND                   0x01
 193#define TYPE_BOOL_OR                    0x02
 194#define TYPE_NUMBER                     0x04
 195#define TYPE_NUMBER_RANGE               0x08
 196#define TYPE_STRING                     0x10
 197#define TYPE_VALUE_LIST                 0x20
 198
 199#define IS_TYPE_BOOL_AND(p)             ((p)->type & TYPE_BOOL_AND)
 200#define IS_TYPE_BOOL_OR(p)              ((p)->type & TYPE_BOOL_OR)
 201#define IS_TYPE_NUMBER(p)               ((p)->type & TYPE_NUMBER)
 202#define IS_TYPE_NUMBER_RANGE(p)         ((p)->type & TYPE_NUMBER_RANGE)
 203#define IS_TYPE_STRING(p)               ((p)->type & TYPE_STRING)
 204#define IS_TYPE_VALUE_LIST(p)           ((p)->type & TYPE_VALUE_LIST)
 205
 206/*
 207 * struct iscsi_param->type_range
 208 */
 209#define TYPERANGE_BOOL_AND              0x0001
 210#define TYPERANGE_BOOL_OR               0x0002
 211#define TYPERANGE_0_TO_2                0x0004
 212#define TYPERANGE_0_TO_3600             0x0008
 213#define TYPERANGE_0_TO_32767            0x0010
 214#define TYPERANGE_0_TO_65535            0x0020
 215#define TYPERANGE_1_TO_65535            0x0040
 216#define TYPERANGE_2_TO_3600             0x0080
 217#define TYPERANGE_512_TO_16777215       0x0100
 218#define TYPERANGE_AUTH                  0x0200
 219#define TYPERANGE_DIGEST                0x0400
 220#define TYPERANGE_ISCSINAME             0x0800
 221#define TYPERANGE_MARKINT               0x1000
 222#define TYPERANGE_SESSIONTYPE           0x2000
 223#define TYPERANGE_TARGETADDRESS         0x4000
 224#define TYPERANGE_UTF8                  0x8000
 225
 226#define IS_TYPERANGE_0_TO_2(p)          ((p)->type_range & TYPERANGE_0_TO_2)
 227#define IS_TYPERANGE_0_TO_3600(p)       ((p)->type_range & TYPERANGE_0_TO_3600)
 228#define IS_TYPERANGE_0_TO_32767(p)      ((p)->type_range & TYPERANGE_0_TO_32767)
 229#define IS_TYPERANGE_0_TO_65535(p)      ((p)->type_range & TYPERANGE_0_TO_65535)
 230#define IS_TYPERANGE_1_TO_65535(p)      ((p)->type_range & TYPERANGE_1_TO_65535)
 231#define IS_TYPERANGE_2_TO_3600(p)       ((p)->type_range & TYPERANGE_2_TO_3600)
 232#define IS_TYPERANGE_512_TO_16777215(p) ((p)->type_range & \
 233                                                TYPERANGE_512_TO_16777215)
 234#define IS_TYPERANGE_AUTH_PARAM(p)      ((p)->type_range & TYPERANGE_AUTH)
 235#define IS_TYPERANGE_DIGEST_PARAM(p)    ((p)->type_range & TYPERANGE_DIGEST)
 236#define IS_TYPERANGE_SESSIONTYPE(p)     ((p)->type_range & \
 237                                                TYPERANGE_SESSIONTYPE)
 238
 239/*
 240 * struct iscsi_param->state
 241 */
 242#define PSTATE_ACCEPTOR                 0x01
 243#define PSTATE_NEGOTIATE                0x02
 244#define PSTATE_PROPOSER                 0x04
 245#define PSTATE_IRRELEVANT               0x08
 246#define PSTATE_REJECT                   0x10
 247#define PSTATE_REPLY_OPTIONAL           0x20
 248#define PSTATE_RESPONSE_GOT             0x40
 249#define PSTATE_RESPONSE_SENT            0x80
 250
 251#define IS_PSTATE_ACCEPTOR(p)           ((p)->state & PSTATE_ACCEPTOR)
 252#define IS_PSTATE_NEGOTIATE(p)          ((p)->state & PSTATE_NEGOTIATE)
 253#define IS_PSTATE_PROPOSER(p)           ((p)->state & PSTATE_PROPOSER)
 254#define IS_PSTATE_IRRELEVANT(p)         ((p)->state & PSTATE_IRRELEVANT)
 255#define IS_PSTATE_REJECT(p)             ((p)->state & PSTATE_REJECT)
 256#define IS_PSTATE_REPLY_OPTIONAL(p)     ((p)->state & PSTATE_REPLY_OPTIONAL)
 257#define IS_PSTATE_RESPONSE_GOT(p)       ((p)->state & PSTATE_RESPONSE_GOT)
 258#define IS_PSTATE_RESPONSE_SENT(p)      ((p)->state & PSTATE_RESPONSE_SENT)
 259
 260#define SET_PSTATE_ACCEPTOR(p)          ((p)->state |= PSTATE_ACCEPTOR)
 261#define SET_PSTATE_NEGOTIATE(p)         ((p)->state |= PSTATE_NEGOTIATE)
 262#define SET_PSTATE_PROPOSER(p)          ((p)->state |= PSTATE_PROPOSER)
 263#define SET_PSTATE_IRRELEVANT(p)        ((p)->state |= PSTATE_IRRELEVANT)
 264#define SET_PSTATE_REJECT(p)            ((p)->state |= PSTATE_REJECT)
 265#define SET_PSTATE_REPLY_OPTIONAL(p)    ((p)->state |= PSTATE_REPLY_OPTIONAL)
 266#define SET_PSTATE_RESPONSE_GOT(p)      ((p)->state |= PSTATE_RESPONSE_GOT)
 267#define SET_PSTATE_RESPONSE_SENT(p)     ((p)->state |= PSTATE_RESPONSE_SENT)
 268
 269#endif /* ISCSI_PARAMETERS_H */
 270