954 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright(c) 2008 Intel Corporation. All rights reserved.4 *5 * Maintained at www.Open-FCoE.org6 */7 8#ifndef _FC_ENCODE_H_9#define _FC_ENCODE_H_10#include <linux/unaligned.h>11#include <linux/utsname.h>12#include <scsi/fc/fc_ms.h>13 14/*15 * F_CTL values for simple requests and responses.16 */17#define FC_FCTL_REQ (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)18#define FC_FCTL_RESP (FC_FC_EX_CTX | FC_FC_LAST_SEQ | \19 FC_FC_END_SEQ | FC_FC_SEQ_INIT)20 21struct fc_ns_rft {22 struct fc_ns_fid fid; /* port ID object */23 struct fc_ns_fts fts; /* FC4-types object */24};25 26struct fc_ct_req {27 struct fc_ct_hdr hdr;28 union {29 struct fc_ns_gid_ft gid;30 struct fc_ns_rn_id rn;31 struct fc_ns_rft rft;32 struct fc_ns_rff_id rff;33 struct fc_ns_fid fid;34 struct fc_ns_rsnn snn;35 struct fc_ns_rspn spn;36 struct fc_fdmi_rhba rhba;37 struct fc_fdmi_rpa rpa;38 struct fc_fdmi_dprt dprt;39 struct fc_fdmi_dhba dhba;40 } payload;41};42 43/**44 * fc_adisc_fill() - Fill in adisc request frame45 * @lport: local port.46 * @fp: fc frame where payload will be placed.47 */48static inline void fc_adisc_fill(struct fc_lport *lport, struct fc_frame *fp)49{50 struct fc_els_adisc *adisc;51 52 adisc = fc_frame_payload_get(fp, sizeof(*adisc));53 memset(adisc, 0, sizeof(*adisc));54 adisc->adisc_cmd = ELS_ADISC;55 put_unaligned_be64(lport->wwpn, &adisc->adisc_wwpn);56 put_unaligned_be64(lport->wwnn, &adisc->adisc_wwnn);57 hton24(adisc->adisc_port_id, lport->port_id);58}59 60/**61 * fc_ct_hdr_fill- fills ct header and reset ct payload62 * returns pointer to ct request.63 */64static inline struct fc_ct_req *fc_ct_hdr_fill(const struct fc_frame *fp,65 unsigned int op, size_t req_size,66 enum fc_ct_fs_type fs_type,67 u8 subtype)68{69 struct fc_ct_req *ct;70 size_t ct_plen;71 72 ct_plen = sizeof(struct fc_ct_hdr) + req_size;73 ct = fc_frame_payload_get(fp, ct_plen);74 memset(ct, 0, ct_plen);75 ct->hdr.ct_rev = FC_CT_REV;76 ct->hdr.ct_fs_type = fs_type;77 ct->hdr.ct_fs_subtype = subtype;78 ct->hdr.ct_cmd = htons((u16) op);79 return ct;80}81 82/**83 * fc_ct_ns_fill() - Fill in a name service request frame84 * @lport: local port.85 * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries.86 * @fp: frame to contain payload.87 * @op: CT opcode.88 * @r_ctl: pointer to FC header R_CTL.89 * @fh_type: pointer to FC-4 type.90 */91static inline int fc_ct_ns_fill(struct fc_lport *lport,92 u32 fc_id, struct fc_frame *fp,93 unsigned int op, enum fc_rctl *r_ctl,94 enum fc_fh_type *fh_type)95{96 struct fc_ct_req *ct;97 size_t len;98 99 switch (op) {100 case FC_NS_GPN_FT:101 ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_gid_ft),102 FC_FST_DIR, FC_NS_SUBTYPE);103 ct->payload.gid.fn_fc4_type = FC_TYPE_FCP;104 break;105 106 case FC_NS_GPN_ID:107 ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_fid),108 FC_FST_DIR, FC_NS_SUBTYPE);109 ct->payload.gid.fn_fc4_type = FC_TYPE_FCP;110 hton24(ct->payload.fid.fp_fid, fc_id);111 break;112 113 case FC_NS_RFT_ID:114 ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rft),115 FC_FST_DIR, FC_NS_SUBTYPE);116 hton24(ct->payload.rft.fid.fp_fid, lport->port_id);117 ct->payload.rft.fts = lport->fcts;118 break;119 120 case FC_NS_RFF_ID:121 ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rff_id),122 FC_FST_DIR, FC_NS_SUBTYPE);123 hton24(ct->payload.rff.fr_fid.fp_fid, lport->port_id);124 ct->payload.rff.fr_type = FC_TYPE_FCP;125 if (lport->service_params & FCP_SPPF_INIT_FCN)126 ct->payload.rff.fr_feat = FCP_FEAT_INIT;127 if (lport->service_params & FCP_SPPF_TARG_FCN)128 ct->payload.rff.fr_feat |= FCP_FEAT_TARG;129 break;130 131 case FC_NS_RNN_ID:132 ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_id),133 FC_FST_DIR, FC_NS_SUBTYPE);134 hton24(ct->payload.rn.fr_fid.fp_fid, lport->port_id);135 put_unaligned_be64(lport->wwnn, &ct->payload.rn.fr_wwn);136 break;137 138 case FC_NS_RSPN_ID:139 len = strnlen(fc_host_symbolic_name(lport->host),140 FC_SYMBOLIC_NAME_SIZE);141 ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rspn) + len,142 FC_FST_DIR, FC_NS_SUBTYPE);143 hton24(ct->payload.spn.fr_fid.fp_fid, lport->port_id);144 memcpy(ct->payload.spn.fr_name,145 fc_host_symbolic_name(lport->host), len);146 ct->payload.spn.fr_name_len = len;147 break;148 149 case FC_NS_RSNN_NN:150 len = strnlen(fc_host_symbolic_name(lport->host),151 FC_SYMBOLIC_NAME_SIZE);152 ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rsnn) + len,153 FC_FST_DIR, FC_NS_SUBTYPE);154 put_unaligned_be64(lport->wwnn, &ct->payload.snn.fr_wwn);155 memcpy(ct->payload.snn.fr_name,156 fc_host_symbolic_name(lport->host), len);157 ct->payload.snn.fr_name_len = len;158 break;159 160 default:161 return -EINVAL;162 }163 *r_ctl = FC_RCTL_DD_UNSOL_CTL;164 *fh_type = FC_TYPE_CT;165 return 0;166}167 168static inline void fc_ct_ms_fill_attr(struct fc_fdmi_attr_entry *entry,169 const char *in, size_t len)170{171 int copied;172 173 copied = strscpy(entry->value, in, len);174 if (copied > 0 && copied + 1 < len)175 memset(entry->value + copied + 1, 0, len - copied - 1);176}177 178/**179 * fc_ct_ms_fill() - Fill in a mgmt service request frame180 * @lport: local port.181 * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries.182 * @fp: frame to contain payload.183 * @op: CT opcode.184 * @r_ctl: pointer to FC header R_CTL.185 * @fh_type: pointer to FC-4 type.186 */187static inline int fc_ct_ms_fill(struct fc_lport *lport,188 u32 fc_id, struct fc_frame *fp,189 unsigned int op, enum fc_rctl *r_ctl,190 enum fc_fh_type *fh_type)191{192 struct fc_ct_req *ct;193 size_t len;194 struct fc_fdmi_attr_entry *entry;195 struct fs_fdmi_attrs *hba_attrs;196 int numattrs = 0;197 struct fc_host_attrs *fc_host = shost_to_fc_host(lport->host);198 199 switch (op) {200 case FC_FDMI_RHBA:201 numattrs = 11;202 len = sizeof(struct fc_fdmi_rhba);203 len -= sizeof(struct fc_fdmi_attr_entry);204 len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);205 len += FC_FDMI_HBA_ATTR_NODENAME_LEN;206 len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;207 len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;208 len += FC_FDMI_HBA_ATTR_MODEL_LEN;209 len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;210 len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;211 len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;212 len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;213 len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;214 len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;215 len += FC_FDMI_HBA_ATTR_MAXCTPAYLOAD_LEN;216 217 if (fc_host->fdmi_version == FDMI_V2) {218 numattrs += 7;219 len += FC_FDMI_HBA_ATTR_NODESYMBLNAME_LEN;220 len += FC_FDMI_HBA_ATTR_VENDORSPECIFICINFO_LEN;221 len += FC_FDMI_HBA_ATTR_NUMBEROFPORTS_LEN;222 len += FC_FDMI_HBA_ATTR_FABRICNAME_LEN;223 len += FC_FDMI_HBA_ATTR_BIOSVERSION_LEN;224 len += FC_FDMI_HBA_ATTR_BIOSSTATE_LEN;225 len += FC_FDMI_HBA_ATTR_VENDORIDENTIFIER_LEN;226 }227 228 ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,229 FC_FDMI_SUBTYPE);230 231 /* HBA Identifier */232 put_unaligned_be64(lport->wwpn, &ct->payload.rhba.hbaid.id);233 /* Number of Ports - always 1 */234 put_unaligned_be32(1, &ct->payload.rhba.port.numport);235 /* Port Name */236 put_unaligned_be64(lport->wwpn,237 &ct->payload.rhba.port.port[0].portname);238 239 /* HBA Attributes */240 put_unaligned_be32(numattrs,241 &ct->payload.rhba.hba_attrs.numattrs);242 hba_attrs = &ct->payload.rhba.hba_attrs;243 entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr;244 /* NodeName*/245 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;246 len += FC_FDMI_HBA_ATTR_NODENAME_LEN;247 put_unaligned_be16(FC_FDMI_HBA_ATTR_NODENAME,248 &entry->type);249 put_unaligned_be16(len, &entry->len);250 put_unaligned_be64(lport->wwnn,251 (__be64 *)&entry->value);252 253 /* Manufacturer */254 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +255 FC_FDMI_HBA_ATTR_NODENAME_LEN);256 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;257 len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;258 put_unaligned_be16(FC_FDMI_HBA_ATTR_MANUFACTURER,259 &entry->type);260 put_unaligned_be16(len, &entry->len);261 fc_ct_ms_fill_attr(entry,262 fc_host_manufacturer(lport->host),263 FC_FDMI_HBA_ATTR_MANUFACTURER_LEN);264 265 /* SerialNumber */266 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +267 FC_FDMI_HBA_ATTR_MANUFACTURER_LEN);268 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;269 len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;270 put_unaligned_be16(FC_FDMI_HBA_ATTR_SERIALNUMBER,271 &entry->type);272 put_unaligned_be16(len, &entry->len);273 fc_ct_ms_fill_attr(entry,274 fc_host_serial_number(lport->host),275 FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN);276 277 /* Model */278 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +279 FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN);280 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;281 len += FC_FDMI_HBA_ATTR_MODEL_LEN;282 put_unaligned_be16(FC_FDMI_HBA_ATTR_MODEL,283 &entry->type);284 put_unaligned_be16(len, &entry->len);285 fc_ct_ms_fill_attr(entry,286 fc_host_model(lport->host),287 FC_FDMI_HBA_ATTR_MODEL_LEN);288 289 /* Model Description */290 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +291 FC_FDMI_HBA_ATTR_MODEL_LEN);292 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;293 len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;294 put_unaligned_be16(FC_FDMI_HBA_ATTR_MODELDESCRIPTION,295 &entry->type);296 put_unaligned_be16(len, &entry->len);297 fc_ct_ms_fill_attr(entry,298 fc_host_model_description(lport->host),299 FC_FDMI_HBA_ATTR_MODELDESCR_LEN);300 301 /* Hardware Version */302 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +303 FC_FDMI_HBA_ATTR_MODELDESCR_LEN);304 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;305 len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;306 put_unaligned_be16(FC_FDMI_HBA_ATTR_HARDWAREVERSION,307 &entry->type);308 put_unaligned_be16(len, &entry->len);309 fc_ct_ms_fill_attr(entry,310 fc_host_hardware_version(lport->host),311 FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN);312 313 /* Driver Version */314 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +315 FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN);316 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;317 len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;318 put_unaligned_be16(FC_FDMI_HBA_ATTR_DRIVERVERSION,319 &entry->type);320 put_unaligned_be16(len, &entry->len);321 fc_ct_ms_fill_attr(entry,322 fc_host_driver_version(lport->host),323 FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN);324 325 /* OptionROM Version */326 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +327 FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN);328 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;329 len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;330 put_unaligned_be16(FC_FDMI_HBA_ATTR_OPTIONROMVERSION,331 &entry->type);332 put_unaligned_be16(len, &entry->len);333 fc_ct_ms_fill_attr(entry,334 "unknown",335 FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN);336 337 /* Firmware Version */338 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +339 FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN);340 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;341 len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;342 put_unaligned_be16(FC_FDMI_HBA_ATTR_FIRMWAREVERSION,343 &entry->type);344 put_unaligned_be16(len, &entry->len);345 fc_ct_ms_fill_attr(entry,346 fc_host_firmware_version(lport->host),347 FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN);348 349 /* OS Name and Version */350 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +351 FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN);352 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;353 len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;354 put_unaligned_be16(FC_FDMI_HBA_ATTR_OSNAMEVERSION,355 &entry->type);356 put_unaligned_be16(len, &entry->len);357 snprintf((char *)&entry->value,358 FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN,359 "%s v%s",360 init_utsname()->sysname,361 init_utsname()->release);362 363 /* Max CT payload */364 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +365 FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN);366 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;367 len += FC_FDMI_HBA_ATTR_MAXCTPAYLOAD_LEN;368 put_unaligned_be16(FC_FDMI_HBA_ATTR_MAXCTPAYLOAD,369 &entry->type);370 put_unaligned_be16(len, &entry->len);371 put_unaligned_be32(fc_host_max_ct_payload(lport->host),372 &entry->value);373 374 if (fc_host->fdmi_version == FDMI_V2) {375 /* Node symbolic name */376 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +377 FC_FDMI_HBA_ATTR_MAXCTPAYLOAD_LEN);378 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;379 len += FC_FDMI_HBA_ATTR_NODESYMBLNAME_LEN;380 put_unaligned_be16(FC_FDMI_HBA_ATTR_NODESYMBLNAME,381 &entry->type);382 put_unaligned_be16(len, &entry->len);383 fc_ct_ms_fill_attr(entry,384 fc_host_symbolic_name(lport->host),385 FC_FDMI_HBA_ATTR_NODESYMBLNAME_LEN);386 387 /* Vendor specific info */388 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +389 FC_FDMI_HBA_ATTR_NODESYMBLNAME_LEN);390 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;391 len += FC_FDMI_HBA_ATTR_VENDORSPECIFICINFO_LEN;392 put_unaligned_be16(FC_FDMI_HBA_ATTR_VENDORSPECIFICINFO,393 &entry->type);394 put_unaligned_be16(len, &entry->len);395 put_unaligned_be32(0,396 &entry->value);397 398 /* Number of ports */399 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +400 FC_FDMI_HBA_ATTR_VENDORSPECIFICINFO_LEN);401 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;402 len += FC_FDMI_HBA_ATTR_NUMBEROFPORTS_LEN;403 put_unaligned_be16(FC_FDMI_HBA_ATTR_NUMBEROFPORTS,404 &entry->type);405 put_unaligned_be16(len, &entry->len);406 put_unaligned_be32(fc_host_num_ports(lport->host),407 &entry->value);408 409 /* Fabric name */410 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +411 FC_FDMI_HBA_ATTR_NUMBEROFPORTS_LEN);412 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;413 len += FC_FDMI_HBA_ATTR_FABRICNAME_LEN;414 put_unaligned_be16(FC_FDMI_HBA_ATTR_FABRICNAME,415 &entry->type);416 put_unaligned_be16(len, &entry->len);417 put_unaligned_be64(fc_host_fabric_name(lport->host),418 &entry->value);419 420 /* BIOS version */421 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +422 FC_FDMI_HBA_ATTR_FABRICNAME_LEN);423 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;424 len += FC_FDMI_HBA_ATTR_BIOSVERSION_LEN;425 put_unaligned_be16(FC_FDMI_HBA_ATTR_BIOSVERSION,426 &entry->type);427 put_unaligned_be16(len, &entry->len);428 fc_ct_ms_fill_attr(entry,429 fc_host_bootbios_version(lport->host),430 FC_FDMI_HBA_ATTR_BIOSVERSION_LEN);431 432 /* BIOS state */433 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +434 FC_FDMI_HBA_ATTR_BIOSVERSION_LEN);435 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;436 len += FC_FDMI_HBA_ATTR_BIOSSTATE_LEN;437 put_unaligned_be16(FC_FDMI_HBA_ATTR_BIOSSTATE,438 &entry->type);439 put_unaligned_be16(len, &entry->len);440 put_unaligned_be32(fc_host_bootbios_state(lport->host),441 &entry->value);442 443 /* Vendor identifier */444 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +445 FC_FDMI_HBA_ATTR_BIOSSTATE_LEN);446 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;447 len += FC_FDMI_HBA_ATTR_VENDORIDENTIFIER_LEN;448 put_unaligned_be16(FC_FDMI_HBA_ATTR_VENDORIDENTIFIER,449 &entry->type);450 put_unaligned_be16(len, &entry->len);451 fc_ct_ms_fill_attr(entry,452 fc_host_vendor_identifier(lport->host),453 FC_FDMI_HBA_ATTR_VENDORIDENTIFIER_LEN);454 }455 456 break;457 case FC_FDMI_RPA:458 numattrs = 6;459 len = sizeof(struct fc_fdmi_rpa);460 len -= sizeof(struct fc_fdmi_attr_entry);461 len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);462 len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;463 len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;464 len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;465 len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN;466 len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;467 len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;468 469 470 if (fc_host->fdmi_version == FDMI_V2) {471 numattrs += 10;472 473 len += FC_FDMI_PORT_ATTR_NODENAME_LEN;474 len += FC_FDMI_PORT_ATTR_PORTNAME_LEN;475 len += FC_FDMI_PORT_ATTR_SYMBOLICNAME_LEN;476 len += FC_FDMI_PORT_ATTR_PORTTYPE_LEN;477 len += FC_FDMI_PORT_ATTR_SUPPORTEDCLASSSRVC_LEN;478 len += FC_FDMI_PORT_ATTR_FABRICNAME_LEN;479 len += FC_FDMI_PORT_ATTR_CURRENTFC4TYPE_LEN;480 len += FC_FDMI_PORT_ATTR_PORTSTATE_LEN;481 len += FC_FDMI_PORT_ATTR_DISCOVEREDPORTS_LEN;482 len += FC_FDMI_PORT_ATTR_PORTID_LEN;483 484 }485 486 ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,487 FC_FDMI_SUBTYPE);488 489 /* Port Name */490 put_unaligned_be64(lport->wwpn,491 &ct->payload.rpa.port.portname);492 493 /* Port Attributes */494 put_unaligned_be32(numattrs,495 &ct->payload.rpa.hba_attrs.numattrs);496 497 hba_attrs = &ct->payload.rpa.hba_attrs;498 entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr;499 500 /* FC4 types */501 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;502 len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;503 put_unaligned_be16(FC_FDMI_PORT_ATTR_FC4TYPES,504 &entry->type);505 put_unaligned_be16(len, &entry->len);506 memcpy(&entry->value, fc_host_supported_fc4s(lport->host),507 FC_FDMI_PORT_ATTR_FC4TYPES_LEN);508 509 /* Supported Speed */510 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +511 FC_FDMI_PORT_ATTR_FC4TYPES_LEN);512 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;513 len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;514 put_unaligned_be16(FC_FDMI_PORT_ATTR_SUPPORTEDSPEED,515 &entry->type);516 put_unaligned_be16(len, &entry->len);517 518 put_unaligned_be32(fc_host_supported_speeds(lport->host),519 &entry->value);520 521 /* Current Port Speed */522 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +523 FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN);524 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;525 len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;526 put_unaligned_be16(FC_FDMI_PORT_ATTR_CURRENTPORTSPEED,527 &entry->type);528 put_unaligned_be16(len, &entry->len);529 put_unaligned_be32(lport->link_speed,530 &entry->value);531 532 /* Max Frame Size */533 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +534 FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN);535 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;536 len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN;537 put_unaligned_be16(FC_FDMI_PORT_ATTR_MAXFRAMESIZE,538 &entry->type);539 put_unaligned_be16(len, &entry->len);540 put_unaligned_be32(fc_host_maxframe_size(lport->host),541 &entry->value);542 543 /* OS Device Name */544 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +545 FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN);546 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;547 len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;548 put_unaligned_be16(FC_FDMI_PORT_ATTR_OSDEVICENAME,549 &entry->type);550 put_unaligned_be16(len, &entry->len);551 /* Use the sysfs device name */552 fc_ct_ms_fill_attr(entry,553 dev_name(&lport->host->shost_gendev),554 strnlen(dev_name(&lport->host->shost_gendev),555 FC_FDMI_PORT_ATTR_HOSTNAME_LEN));556 557 /* Host Name */558 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +559 FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN);560 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;561 len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;562 put_unaligned_be16(FC_FDMI_PORT_ATTR_HOSTNAME,563 &entry->type);564 put_unaligned_be16(len, &entry->len);565 if (strlen(fc_host_system_hostname(lport->host)))566 fc_ct_ms_fill_attr(entry,567 fc_host_system_hostname(lport->host),568 strnlen(fc_host_system_hostname(lport->host),569 FC_FDMI_PORT_ATTR_HOSTNAME_LEN));570 else571 fc_ct_ms_fill_attr(entry,572 init_utsname()->nodename,573 FC_FDMI_PORT_ATTR_HOSTNAME_LEN);574 575 576 if (fc_host->fdmi_version == FDMI_V2) {577 578 /* Node name */579 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +580 FC_FDMI_PORT_ATTR_HOSTNAME_LEN);581 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;582 len += FC_FDMI_PORT_ATTR_NODENAME_LEN;583 put_unaligned_be16(FC_FDMI_PORT_ATTR_NODENAME,584 &entry->type);585 put_unaligned_be16(len, &entry->len);586 put_unaligned_be64(fc_host_node_name(lport->host),587 &entry->value);588 589 /* Port name */590 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +591 FC_FDMI_PORT_ATTR_NODENAME_LEN);592 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;593 len += FC_FDMI_PORT_ATTR_PORTNAME_LEN;594 put_unaligned_be16(FC_FDMI_PORT_ATTR_PORTNAME,595 &entry->type);596 put_unaligned_be16(len, &entry->len);597 put_unaligned_be64(lport->wwpn,598 &entry->value);599 600 /* Port symbolic name */601 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +602 FC_FDMI_PORT_ATTR_PORTNAME_LEN);603 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;604 len += FC_FDMI_PORT_ATTR_SYMBOLICNAME_LEN;605 put_unaligned_be16(FC_FDMI_PORT_ATTR_SYMBOLICNAME,606 &entry->type);607 put_unaligned_be16(len, &entry->len);608 fc_ct_ms_fill_attr(entry,609 fc_host_symbolic_name(lport->host),610 FC_FDMI_PORT_ATTR_SYMBOLICNAME_LEN);611 612 /* Port type */613 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +614 FC_FDMI_PORT_ATTR_SYMBOLICNAME_LEN);615 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;616 len += FC_FDMI_PORT_ATTR_PORTTYPE_LEN;617 put_unaligned_be16(FC_FDMI_PORT_ATTR_PORTTYPE,618 &entry->type);619 put_unaligned_be16(len, &entry->len);620 put_unaligned_be32(fc_host_port_type(lport->host),621 &entry->value);622 623 /* Supported class of service */624 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +625 FC_FDMI_PORT_ATTR_PORTTYPE_LEN);626 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;627 len += FC_FDMI_PORT_ATTR_SUPPORTEDCLASSSRVC_LEN;628 put_unaligned_be16(FC_FDMI_PORT_ATTR_SUPPORTEDCLASSSRVC,629 &entry->type);630 put_unaligned_be16(len, &entry->len);631 put_unaligned_be32(fc_host_supported_classes(lport->host),632 &entry->value);633 634 /* Port Fabric name */635 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +636 FC_FDMI_PORT_ATTR_SUPPORTEDCLASSSRVC_LEN);637 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;638 len += FC_FDMI_PORT_ATTR_FABRICNAME_LEN;639 put_unaligned_be16(FC_FDMI_PORT_ATTR_FABRICNAME,640 &entry->type);641 put_unaligned_be16(len, &entry->len);642 put_unaligned_be64(fc_host_fabric_name(lport->host),643 &entry->value);644 645 /* Port active FC-4 */646 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +647 FC_FDMI_PORT_ATTR_FABRICNAME_LEN);648 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;649 len += FC_FDMI_PORT_ATTR_CURRENTFC4TYPE_LEN;650 put_unaligned_be16(FC_FDMI_PORT_ATTR_CURRENTFC4TYPE,651 &entry->type);652 put_unaligned_be16(len, &entry->len);653 memcpy(&entry->value, fc_host_active_fc4s(lport->host),654 FC_FDMI_PORT_ATTR_CURRENTFC4TYPE_LEN);655 656 /* Port state */657 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +658 FC_FDMI_PORT_ATTR_CURRENTFC4TYPE_LEN);659 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;660 len += FC_FDMI_PORT_ATTR_PORTSTATE_LEN;661 put_unaligned_be16(FC_FDMI_PORT_ATTR_PORTSTATE,662 &entry->type);663 put_unaligned_be16(len, &entry->len);664 put_unaligned_be32(fc_host_port_state(lport->host),665 &entry->value);666 667 /* Discovered ports */668 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +669 FC_FDMI_PORT_ATTR_PORTSTATE_LEN);670 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;671 len += FC_FDMI_PORT_ATTR_DISCOVEREDPORTS_LEN;672 put_unaligned_be16(FC_FDMI_PORT_ATTR_DISCOVEREDPORTS,673 &entry->type);674 put_unaligned_be16(len, &entry->len);675 put_unaligned_be32(fc_host_num_discovered_ports(lport->host),676 &entry->value);677 678 /* Port ID */679 entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +680 FC_FDMI_PORT_ATTR_DISCOVEREDPORTS_LEN);681 len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;682 len += FC_FDMI_PORT_ATTR_PORTID_LEN;683 put_unaligned_be16(FC_FDMI_PORT_ATTR_PORTID,684 &entry->type);685 put_unaligned_be16(len, &entry->len);686 put_unaligned_be32(fc_host_port_id(lport->host),687 &entry->value);688 }689 690 break;691 case FC_FDMI_DPRT:692 len = sizeof(struct fc_fdmi_dprt);693 ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,694 FC_FDMI_SUBTYPE);695 /* Port Name */696 put_unaligned_be64(lport->wwpn,697 &ct->payload.dprt.port.portname);698 break;699 case FC_FDMI_DHBA:700 len = sizeof(struct fc_fdmi_dhba);701 ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,702 FC_FDMI_SUBTYPE);703 /* HBA Identifier */704 put_unaligned_be64(lport->wwpn, &ct->payload.dhba.hbaid.id);705 break;706 default:707 return -EINVAL;708 }709 *r_ctl = FC_RCTL_DD_UNSOL_CTL;710 *fh_type = FC_TYPE_CT;711 return 0;712}713 714/**715 * fc_ct_fill() - Fill in a common transport service request frame716 * @lport: local port.717 * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries.718 * @fp: frame to contain payload.719 * @op: CT opcode.720 * @r_ctl: pointer to FC header R_CTL.721 * @fh_type: pointer to FC-4 type.722 */723static inline int fc_ct_fill(struct fc_lport *lport,724 u32 fc_id, struct fc_frame *fp,725 unsigned int op, enum fc_rctl *r_ctl,726 enum fc_fh_type *fh_type, u32 *did)727{728 int rc = -EINVAL;729 730 switch (fc_id) {731 case FC_FID_MGMT_SERV:732 rc = fc_ct_ms_fill(lport, fc_id, fp, op, r_ctl, fh_type);733 *did = FC_FID_MGMT_SERV;734 break;735 case FC_FID_DIR_SERV:736 default:737 rc = fc_ct_ns_fill(lport, fc_id, fp, op, r_ctl, fh_type);738 *did = FC_FID_DIR_SERV;739 break;740 }741 742 return rc;743}744/**745 * fc_plogi_fill - Fill in plogi request frame746 */747static inline void fc_plogi_fill(struct fc_lport *lport, struct fc_frame *fp,748 unsigned int op)749{750 struct fc_els_flogi *plogi;751 struct fc_els_csp *csp;752 struct fc_els_cssp *cp;753 754 plogi = fc_frame_payload_get(fp, sizeof(*plogi));755 memset(plogi, 0, sizeof(*plogi));756 plogi->fl_cmd = (u8) op;757 put_unaligned_be64(lport->wwpn, &plogi->fl_wwpn);758 put_unaligned_be64(lport->wwnn, &plogi->fl_wwnn);759 760 csp = &plogi->fl_csp;761 csp->sp_hi_ver = 0x20;762 csp->sp_lo_ver = 0x20;763 csp->sp_bb_cred = htons(10); /* this gets set by gateway */764 csp->sp_bb_data = htons((u16) lport->mfs);765 cp = &plogi->fl_cssp[3 - 1]; /* class 3 parameters */766 cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ);767 csp->sp_features = htons(FC_SP_FT_CIRO);768 csp->sp_tot_seq = htons(255); /* seq. we accept */769 csp->sp_rel_off = htons(0x1f);770 csp->sp_e_d_tov = htonl(lport->e_d_tov);771 772 cp->cp_rdfs = htons((u16) lport->mfs);773 cp->cp_con_seq = htons(255);774 cp->cp_open_seq = 1;775}776 777/**778 * fc_flogi_fill - Fill in a flogi request frame.779 */780static inline void fc_flogi_fill(struct fc_lport *lport, struct fc_frame *fp)781{782 struct fc_els_csp *sp;783 struct fc_els_cssp *cp;784 struct fc_els_flogi *flogi;785 786 flogi = fc_frame_payload_get(fp, sizeof(*flogi));787 memset(flogi, 0, sizeof(*flogi));788 flogi->fl_cmd = (u8) ELS_FLOGI;789 put_unaligned_be64(lport->wwpn, &flogi->fl_wwpn);790 put_unaligned_be64(lport->wwnn, &flogi->fl_wwnn);791 sp = &flogi->fl_csp;792 sp->sp_hi_ver = 0x20;793 sp->sp_lo_ver = 0x20;794 sp->sp_bb_cred = htons(10); /* this gets set by gateway */795 sp->sp_bb_data = htons((u16) lport->mfs);796 cp = &flogi->fl_cssp[3 - 1]; /* class 3 parameters */797 cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ);798 if (lport->does_npiv)799 sp->sp_features = htons(FC_SP_FT_NPIV);800}801 802/**803 * fc_fdisc_fill - Fill in a fdisc request frame.804 */805static inline void fc_fdisc_fill(struct fc_lport *lport, struct fc_frame *fp)806{807 struct fc_els_csp *sp;808 struct fc_els_cssp *cp;809 struct fc_els_flogi *fdisc;810 811 fdisc = fc_frame_payload_get(fp, sizeof(*fdisc));812 memset(fdisc, 0, sizeof(*fdisc));813 fdisc->fl_cmd = (u8) ELS_FDISC;814 put_unaligned_be64(lport->wwpn, &fdisc->fl_wwpn);815 put_unaligned_be64(lport->wwnn, &fdisc->fl_wwnn);816 sp = &fdisc->fl_csp;817 sp->sp_hi_ver = 0x20;818 sp->sp_lo_ver = 0x20;819 sp->sp_bb_cred = htons(10); /* this gets set by gateway */820 sp->sp_bb_data = htons((u16) lport->mfs);821 cp = &fdisc->fl_cssp[3 - 1]; /* class 3 parameters */822 cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ);823}824 825/**826 * fc_logo_fill - Fill in a logo request frame.827 */828static inline void fc_logo_fill(struct fc_lport *lport, struct fc_frame *fp)829{830 struct fc_els_logo *logo;831 832 logo = fc_frame_payload_get(fp, sizeof(*logo));833 memset(logo, 0, sizeof(*logo));834 logo->fl_cmd = ELS_LOGO;835 hton24(logo->fl_n_port_id, lport->port_id);836 logo->fl_n_port_wwn = htonll(lport->wwpn);837}838 839/**840 * fc_rtv_fill - Fill in RTV (read timeout value) request frame.841 */842static inline void fc_rtv_fill(struct fc_lport *lport, struct fc_frame *fp)843{844 struct fc_els_rtv *rtv;845 846 rtv = fc_frame_payload_get(fp, sizeof(*rtv));847 memset(rtv, 0, sizeof(*rtv));848 rtv->rtv_cmd = ELS_RTV;849}850 851/**852 * fc_rec_fill - Fill in rec request frame853 */854static inline void fc_rec_fill(struct fc_lport *lport, struct fc_frame *fp)855{856 struct fc_els_rec *rec;857 struct fc_exch *ep = fc_seq_exch(fr_seq(fp));858 859 rec = fc_frame_payload_get(fp, sizeof(*rec));860 memset(rec, 0, sizeof(*rec));861 rec->rec_cmd = ELS_REC;862 hton24(rec->rec_s_id, lport->port_id);863 rec->rec_ox_id = htons(ep->oxid);864 rec->rec_rx_id = htons(ep->rxid);865}866 867/**868 * fc_prli_fill - Fill in prli request frame869 */870static inline void fc_prli_fill(struct fc_lport *lport, struct fc_frame *fp)871{872 struct {873 struct fc_els_prli prli;874 struct fc_els_spp spp;875 } *pp;876 877 pp = fc_frame_payload_get(fp, sizeof(*pp));878 memset(pp, 0, sizeof(*pp));879 pp->prli.prli_cmd = ELS_PRLI;880 pp->prli.prli_spp_len = sizeof(struct fc_els_spp);881 pp->prli.prli_len = htons(sizeof(*pp));882 pp->spp.spp_type = FC_TYPE_FCP;883 pp->spp.spp_flags = FC_SPP_EST_IMG_PAIR;884 pp->spp.spp_params = htonl(lport->service_params);885}886 887/**888 * fc_scr_fill - Fill in a scr request frame.889 */890static inline void fc_scr_fill(struct fc_lport *lport, struct fc_frame *fp)891{892 struct fc_els_scr *scr;893 894 scr = fc_frame_payload_get(fp, sizeof(*scr));895 memset(scr, 0, sizeof(*scr));896 scr->scr_cmd = ELS_SCR;897 scr->scr_reg_func = ELS_SCRF_FULL;898}899 900/**901 * fc_els_fill - Fill in an ELS request frame902 */903static inline int fc_els_fill(struct fc_lport *lport,904 u32 did,905 struct fc_frame *fp, unsigned int op,906 enum fc_rctl *r_ctl, enum fc_fh_type *fh_type)907{908 switch (op) {909 case ELS_ADISC:910 fc_adisc_fill(lport, fp);911 break;912 913 case ELS_PLOGI:914 fc_plogi_fill(lport, fp, ELS_PLOGI);915 break;916 917 case ELS_FLOGI:918 fc_flogi_fill(lport, fp);919 break;920 921 case ELS_FDISC:922 fc_fdisc_fill(lport, fp);923 break;924 925 case ELS_LOGO:926 fc_logo_fill(lport, fp);927 break;928 929 case ELS_RTV:930 fc_rtv_fill(lport, fp);931 break;932 933 case ELS_REC:934 fc_rec_fill(lport, fp);935 break;936 937 case ELS_PRLI:938 fc_prli_fill(lport, fp);939 break;940 941 case ELS_SCR:942 fc_scr_fill(lport, fp);943 break;944 945 default:946 return -EINVAL;947 }948 949 *r_ctl = FC_RCTL_ELS_REQ;950 *fh_type = FC_TYPE_ELS;951 return 0;952}953#endif /* _FC_ENCODE_H_ */954