1 #ifndef ISCSI_PARAMETERS_H 2 #define ISCSI_PARAMETERS_H 3 4 #include <scsi/iscsi_proto.h> 5 6 struct iscsi_extra_response { 7 char key[KEY_MAXLEN]; 8 char value[32]; 9 struct list_head er_list; 10 } ____cacheline_aligned; 11 12 struct iscsi_param { 13 char *name; 14 char *value; 15 u8 set_param; 16 u8 phase; 17 u8 scope; 18 u8 sender; 19 u8 type; 20 u8 use; 21 u16 type_range; 22 u32 state; 23 struct list_head p_list; 24 } ____cacheline_aligned; 25 26 extern int iscsi_login_rx_data(struct iscsi_conn *, char *, int); 27 extern int iscsi_login_tx_data(struct iscsi_conn *, char *, char *, int); 28 extern void iscsi_dump_conn_ops(struct iscsi_conn_ops *); 29 extern void iscsi_dump_sess_ops(struct iscsi_sess_ops *); 30 extern void iscsi_print_params(struct iscsi_param_list *); 31 extern int iscsi_create_default_params(struct iscsi_param_list **); 32 extern int iscsi_set_keys_to_negotiate(struct iscsi_param_list *, bool); 33 extern int iscsi_set_keys_irrelevant_for_discovery(struct iscsi_param_list *); 34 extern int iscsi_copy_param_list(struct iscsi_param_list **, 35 struct iscsi_param_list *, int); 36 extern int iscsi_change_param_value(char *, struct iscsi_param_list *, int); 37 extern void iscsi_release_param_list(struct iscsi_param_list *); 38 extern struct iscsi_param *iscsi_find_param_from_key(char *, struct iscsi_param_list *); 39 extern int iscsi_extract_key_value(char *, char **, char **); 40 extern int iscsi_update_param_value(struct iscsi_param *, char *); 41 extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_conn *); 42 extern int iscsi_encode_text_output(u8, u8, char *, u32 *, 43 struct iscsi_param_list *); 44 extern int iscsi_check_negotiated_keys(struct iscsi_param_list *); 45 extern void iscsi_set_connection_parameters(struct iscsi_conn_ops *, 46 struct iscsi_param_list *); 47 extern void iscsi_set_session_parameters(struct iscsi_sess_ops *, 48 struct iscsi_param_list *, int); 49 50 #define YES "Yes" 51 #define NO "No" 52 #define ALL "All" 53 #define IRRELEVANT "Irrelevant" 54 #define NONE "None" 55 #define NOTUNDERSTOOD "NotUnderstood" 56 #define REJECT "Reject" 57 58 /* 59 * The Parameter Names. 60 */ 61 #define AUTHMETHOD "AuthMethod" 62 #define HEADERDIGEST "HeaderDigest" 63 #define DATADIGEST "DataDigest" 64 #define MAXCONNECTIONS "MaxConnections" 65 #define SENDTARGETS "SendTargets" 66 #define TARGETNAME "TargetName" 67 #define INITIATORNAME "InitiatorName" 68 #define TARGETALIAS "TargetAlias" 69 #define INITIATORALIAS "InitiatorAlias" 70 #define TARGETADDRESS "TargetAddress" 71 #define TARGETPORTALGROUPTAG "TargetPortalGroupTag" 72 #define INITIALR2T "InitialR2T" 73 #define IMMEDIATEDATA "ImmediateData" 74 #define MAXRECVDATASEGMENTLENGTH "MaxRecvDataSegmentLength" 75 #define MAXXMITDATASEGMENTLENGTH "MaxXmitDataSegmentLength" 76 #define MAXBURSTLENGTH "MaxBurstLength" 77 #define FIRSTBURSTLENGTH "FirstBurstLength" 78 #define DEFAULTTIME2WAIT "DefaultTime2Wait" 79 #define DEFAULTTIME2RETAIN "DefaultTime2Retain" 80 #define MAXOUTSTANDINGR2T "MaxOutstandingR2T" 81 #define DATAPDUINORDER "DataPDUInOrder" 82 #define DATASEQUENCEINORDER "DataSequenceInOrder" 83 #define ERRORRECOVERYLEVEL "ErrorRecoveryLevel" 84 #define SESSIONTYPE "SessionType" 85 #define IFMARKER "IFMarker" 86 #define OFMARKER "OFMarker" 87 #define IFMARKINT "IFMarkInt" 88 #define OFMARKINT "OFMarkInt" 89 #define X_EXTENSIONKEY "X-com.sbei.version" 90 #define X_EXTENSIONKEY_CISCO_NEW "X-com.cisco.protocol" 91 #define X_EXTENSIONKEY_CISCO_OLD "X-com.cisco.iscsi.draft" 92 93 /* 94 * Parameter names of iSCSI Extentions for RDMA (iSER). See RFC-5046 95 */ 96 #define RDMAEXTENSIONS "RDMAExtensions" 97 #define INITIATORRECVDATASEGMENTLENGTH "InitiatorRecvDataSegmentLength" 98 #define TARGETRECVDATASEGMENTLENGTH "TargetRecvDataSegmentLength" 99 100 /* 101 * For AuthMethod. 102 */ 103 #define KRB5 "KRB5" 104 #define SPKM1 "SPKM1" 105 #define SPKM2 "SPKM2" 106 #define SRP "SRP" 107 #define CHAP "CHAP" 108 109 /* 110 * Initial values for Parameter Negotiation. 111 */ 112 #define INITIAL_AUTHMETHOD CHAP 113 #define INITIAL_HEADERDIGEST "CRC32C,None" 114 #define INITIAL_DATADIGEST "CRC32C,None" 115 #define INITIAL_MAXCONNECTIONS "1" 116 #define INITIAL_SENDTARGETS ALL 117 #define INITIAL_TARGETNAME "LIO.Target" 118 #define INITIAL_INITIATORNAME "LIO.Initiator" 119 #define INITIAL_TARGETALIAS "LIO Target" 120 #define INITIAL_INITIATORALIAS "LIO Initiator" 121 #define INITIAL_TARGETADDRESS "0.0.0.0:0000,0" 122 #define INITIAL_TARGETPORTALGROUPTAG "1" 123 #define INITIAL_INITIALR2T YES 124 #define INITIAL_IMMEDIATEDATA YES 125 #define INITIAL_MAXRECVDATASEGMENTLENGTH "8192" 126 /* 127 * Match outgoing MXDSL default to incoming Open-iSCSI default 128 */ 129 #define INITIAL_MAXXMITDATASEGMENTLENGTH "262144" 130 #define INITIAL_MAXBURSTLENGTH "262144" 131 #define INITIAL_FIRSTBURSTLENGTH "65536" 132 #define INITIAL_DEFAULTTIME2WAIT "2" 133 #define INITIAL_DEFAULTTIME2RETAIN "20" 134 #define INITIAL_MAXOUTSTANDINGR2T "1" 135 #define INITIAL_DATAPDUINORDER YES 136 #define INITIAL_DATASEQUENCEINORDER YES 137 #define INITIAL_ERRORRECOVERYLEVEL "0" 138 #define INITIAL_SESSIONTYPE NORMAL 139 #define INITIAL_IFMARKER NO 140 #define INITIAL_OFMARKER NO 141 #define INITIAL_IFMARKINT "2048~65535" 142 #define INITIAL_OFMARKINT "2048~65535" 143 144 /* 145 * Initial values for iSER parameters following RFC-5046 Section 6 146 */ 147 #define INITIAL_RDMAEXTENSIONS NO 148 #define INITIAL_INITIATORRECVDATASEGMENTLENGTH "262144" 149 #define INITIAL_TARGETRECVDATASEGMENTLENGTH "8192" 150 151 /* 152 * For [Header,Data]Digests. 153 */ 154 #define CRC32C "CRC32C" 155 156 /* 157 * For SessionType. 158 */ 159 #define DISCOVERY "Discovery" 160 #define NORMAL "Normal" 161 162 /* 163 * struct iscsi_param->use 164 */ 165 #define USE_LEADING_ONLY 0x01 166 #define USE_INITIAL_ONLY 0x02 167 #define USE_ALL 0x04 168 169 #define IS_USE_LEADING_ONLY(p) ((p)->use & USE_LEADING_ONLY) 170 #define IS_USE_INITIAL_ONLY(p) ((p)->use & USE_INITIAL_ONLY) 171 #define IS_USE_ALL(p) ((p)->use & USE_ALL) 172 173 #define SET_USE_INITIAL_ONLY(p) ((p)->use |= USE_INITIAL_ONLY) 174 175 /* 176 * struct iscsi_param->sender 177 */ 178 #define SENDER_INITIATOR 0x01 179 #define SENDER_TARGET 0x02 180 #define SENDER_BOTH 0x03 181 /* Used in iscsi_check_key() */ 182 #define SENDER_RECEIVER 0x04 183 184 #define IS_SENDER_INITIATOR(p) ((p)->sender & SENDER_INITIATOR) 185 #define IS_SENDER_TARGET(p) ((p)->sender & SENDER_TARGET) 186 #define IS_SENDER_BOTH(p) ((p)->sender & SENDER_BOTH) 187 188 /* 189 * struct iscsi_param->scope 190 */ 191 #define SCOPE_CONNECTION_ONLY 0x01 192 #define SCOPE_SESSION_WIDE 0x02 193 194 #define IS_SCOPE_CONNECTION_ONLY(p) ((p)->scope & SCOPE_CONNECTION_ONLY) 195 #define IS_SCOPE_SESSION_WIDE(p) ((p)->scope & SCOPE_SESSION_WIDE) 196 197 /* 198 * struct iscsi_param->phase 199 */ 200 #define PHASE_SECURITY 0x01 201 #define PHASE_OPERATIONAL 0x02 202 #define PHASE_DECLARATIVE 0x04 203 #define PHASE_FFP0 0x08 204 205 #define IS_PHASE_SECURITY(p) ((p)->phase & PHASE_SECURITY) 206 #define IS_PHASE_OPERATIONAL(p) ((p)->phase & PHASE_OPERATIONAL) 207 #define IS_PHASE_DECLARATIVE(p) ((p)->phase & PHASE_DECLARATIVE) 208 #define IS_PHASE_FFP0(p) ((p)->phase & PHASE_FFP0) 209 210 /* 211 * struct iscsi_param->type 212 */ 213 #define TYPE_BOOL_AND 0x01 214 #define TYPE_BOOL_OR 0x02 215 #define TYPE_NUMBER 0x04 216 #define TYPE_NUMBER_RANGE 0x08 217 #define TYPE_STRING 0x10 218 #define TYPE_VALUE_LIST 0x20 219 220 #define IS_TYPE_BOOL_AND(p) ((p)->type & TYPE_BOOL_AND) 221 #define IS_TYPE_BOOL_OR(p) ((p)->type & TYPE_BOOL_OR) 222 #define IS_TYPE_NUMBER(p) ((p)->type & TYPE_NUMBER) 223 #define IS_TYPE_NUMBER_RANGE(p) ((p)->type & TYPE_NUMBER_RANGE) 224 #define IS_TYPE_STRING(p) ((p)->type & TYPE_STRING) 225 #define IS_TYPE_VALUE_LIST(p) ((p)->type & TYPE_VALUE_LIST) 226 227 /* 228 * struct iscsi_param->type_range 229 */ 230 #define TYPERANGE_BOOL_AND 0x0001 231 #define TYPERANGE_BOOL_OR 0x0002 232 #define TYPERANGE_0_TO_2 0x0004 233 #define TYPERANGE_0_TO_3600 0x0008 234 #define TYPERANGE_0_TO_32767 0x0010 235 #define TYPERANGE_0_TO_65535 0x0020 236 #define TYPERANGE_1_TO_65535 0x0040 237 #define TYPERANGE_2_TO_3600 0x0080 238 #define TYPERANGE_512_TO_16777215 0x0100 239 #define TYPERANGE_AUTH 0x0200 240 #define TYPERANGE_DIGEST 0x0400 241 #define TYPERANGE_ISCSINAME 0x0800 242 #define TYPERANGE_MARKINT 0x1000 243 #define TYPERANGE_SESSIONTYPE 0x2000 244 #define TYPERANGE_TARGETADDRESS 0x4000 245 #define TYPERANGE_UTF8 0x8000 246 247 #define IS_TYPERANGE_0_TO_2(p) ((p)->type_range & TYPERANGE_0_TO_2) 248 #define IS_TYPERANGE_0_TO_3600(p) ((p)->type_range & TYPERANGE_0_TO_3600) 249 #define IS_TYPERANGE_0_TO_32767(p) ((p)->type_range & TYPERANGE_0_TO_32767) 250 #define IS_TYPERANGE_0_TO_65535(p) ((p)->type_range & TYPERANGE_0_TO_65535) 251 #define IS_TYPERANGE_1_TO_65535(p) ((p)->type_range & TYPERANGE_1_TO_65535) 252 #define IS_TYPERANGE_2_TO_3600(p) ((p)->type_range & TYPERANGE_2_TO_3600) 253 #define IS_TYPERANGE_512_TO_16777215(p) ((p)->type_range & \ 254 TYPERANGE_512_TO_16777215) 255 #define IS_TYPERANGE_AUTH_PARAM(p) ((p)->type_range & TYPERANGE_AUTH) 256 #define IS_TYPERANGE_DIGEST_PARAM(p) ((p)->type_range & TYPERANGE_DIGEST) 257 #define IS_TYPERANGE_SESSIONTYPE(p) ((p)->type_range & \ 258 TYPERANGE_SESSIONTYPE) 259 260 /* 261 * struct iscsi_param->state 262 */ 263 #define PSTATE_ACCEPTOR 0x01 264 #define PSTATE_NEGOTIATE 0x02 265 #define PSTATE_PROPOSER 0x04 266 #define PSTATE_IRRELEVANT 0x08 267 #define PSTATE_REJECT 0x10 268 #define PSTATE_REPLY_OPTIONAL 0x20 269 #define PSTATE_RESPONSE_GOT 0x40 270 #define PSTATE_RESPONSE_SENT 0x80 271 272 #define IS_PSTATE_ACCEPTOR(p) ((p)->state & PSTATE_ACCEPTOR) 273 #define IS_PSTATE_NEGOTIATE(p) ((p)->state & PSTATE_NEGOTIATE) 274 #define IS_PSTATE_PROPOSER(p) ((p)->state & PSTATE_PROPOSER) 275 #define IS_PSTATE_IRRELEVANT(p) ((p)->state & PSTATE_IRRELEVANT) 276 #define IS_PSTATE_REJECT(p) ((p)->state & PSTATE_REJECT) 277 #define IS_PSTATE_REPLY_OPTIONAL(p) ((p)->state & PSTATE_REPLY_OPTIONAL) 278 #define IS_PSTATE_RESPONSE_GOT(p) ((p)->state & PSTATE_RESPONSE_GOT) 279 #define IS_PSTATE_RESPONSE_SENT(p) ((p)->state & PSTATE_RESPONSE_SENT) 280 281 #define SET_PSTATE_ACCEPTOR(p) ((p)->state |= PSTATE_ACCEPTOR) 282 #define SET_PSTATE_NEGOTIATE(p) ((p)->state |= PSTATE_NEGOTIATE) 283 #define SET_PSTATE_PROPOSER(p) ((p)->state |= PSTATE_PROPOSER) 284 #define SET_PSTATE_IRRELEVANT(p) ((p)->state |= PSTATE_IRRELEVANT) 285 #define SET_PSTATE_REJECT(p) ((p)->state |= PSTATE_REJECT) 286 #define SET_PSTATE_REPLY_OPTIONAL(p) ((p)->state |= PSTATE_REPLY_OPTIONAL) 287 #define SET_PSTATE_RESPONSE_GOT(p) ((p)->state |= PSTATE_RESPONSE_GOT) 288 #define SET_PSTATE_RESPONSE_SENT(p) ((p)->state |= PSTATE_RESPONSE_SENT) 289 290 #endif /* ISCSI_PARAMETERS_H */ 291