drivers/scsi/qla2xxx/qla_edif.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Marvell Fibre Channel HBA Driver
   4  * Copyright (c)  2021     Marvell
   5  */
   6 #include "qla_def.h"
   7 #include "qla_edif.h"
   8
   9 #include <linux/kthread.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/delay.h>
  12 #include <scsi/scsi_tcq.h>
  13
  14 static struct edif_sa_index_entry *qla_edif_sadb_find_sa_index_entry(uint16_t nport_handle,
  15                 struct list_head *sa_list);
  16 static uint16_t qla_edif_sadb_get_sa_index(fc_port_t *fcport,
  17                 struct qla_sa_update_frame *sa_frame);
  18 static int qla_edif_sadb_delete_sa_index(fc_port_t *fcport, uint16_t nport_handle,
  19                 uint16_t sa_index);
  20 static int qla_pur_get_pending(scsi_qla_host_t *, fc_port_t *, struct bsg_job *);
  21
  22 struct edb_node {
  23         struct  list_head       list;
  24         uint32_t                ntype;
  25         union {
  26                 port_id_t       plogi_did;
  27                 uint32_t        async;
  28                 port_id_t       els_sid;
  29                 struct edif_sa_update_aen       sa_aen;
  30         } u;
  31 };
  32
  33 static struct els_sub_cmd {
  34         uint16_t cmd;
  35         const char *str;
  36 } sc_str[] = {
  37         {SEND_ELS, "send ELS"},
  38         {SEND_ELS_REPLY, "send ELS Reply"},
  39         {PULL_ELS, "retrieve ELS"},
  40 };
  41
  42 const char *sc_to_str(uint16_t cmd)
  43 {
  44         int i;
  45         struct els_sub_cmd *e;
  46
  47         for (i = 0; i < ARRAY_SIZE(sc_str); i++) {
  48                 e = sc_str + i;
  49                 if (cmd == e->cmd)
  50                         return e->str;
  51         }
  52         return "unknown";
  53 }
  54
  55 static struct edif_list_entry *qla_edif_list_find_sa_index(fc_port_t *fcport,
  56                 uint16_t handle)
  57 {
  58         struct edif_list_entry *entry;
  59         struct edif_list_entry *tentry;
  60         struct list_head *indx_list = &fcport->edif.edif_indx_list;
  61
  62         list_for_each_entry_safe(entry, tentry, indx_list, next) {
  63                 if (entry->handle == handle)
  64                         return entry;
  65         }
  66         return NULL;
  67 }
  68
  69 /* timeout called when no traffic and delayed rx sa_index delete */
  70 static void qla2x00_sa_replace_iocb_timeout(struct timer_list *t)
  71 {
  72         struct edif_list_entry *edif_entry = from_timer(edif_entry, t, timer);
  73         fc_port_t *fcport = edif_entry->fcport;
  74         struct scsi_qla_host *vha = fcport->vha;
  75         struct  edif_sa_ctl *sa_ctl;
  76         uint16_t nport_handle;
  77         unsigned long flags = 0;
  78
  79         ql_dbg(ql_dbg_edif, vha, 0x3069,
  80             "%s:  nport_handle 0x%x,  SA REPL Delay Timeout, %8phC portid=%06x\n",
  81             __func__, edif_entry->handle, fcport->port_name, fcport->d_id.b24);
  82
  83         /*
  84          * if delete_sa_index is valid then no one has serviced this
  85          * delayed delete
  86          */
  87         spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
  88
  89         /*
  90          * delete_sa_index is invalidated when we find the new sa_index in
  91          * the incoming data stream.  If it is not invalidated then we are
  92          * still looking for the new sa_index because there is no I/O and we
  93          * need to just force the rx delete and move on.  Otherwise
  94          * we could get another rekey which will result in an error 66.
  95          */
  96         if (edif_entry->delete_sa_index != INVALID_EDIF_SA_INDEX) {
  97                 uint16_t delete_sa_index = edif_entry->delete_sa_index;
  98
  99                 edif_entry->delete_sa_index = INVALID_EDIF_SA_INDEX;
 100                 nport_handle = edif_entry->handle;
 101                 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
 102
 103                 sa_ctl = qla_edif_find_sa_ctl_by_index(fcport,
 104                     delete_sa_index, 0);
 105
 106                 if (sa_ctl) {
 107                         ql_dbg(ql_dbg_edif, vha, 0x3063,
 108                             "%s: sa_ctl: %p, delete index %d, update index: %d, lid: 0x%x\n",
 109                             __func__, sa_ctl, delete_sa_index, edif_entry->update_sa_index,
 110                             nport_handle);
 111
 112                         sa_ctl->flags = EDIF_SA_CTL_FLG_DEL;
 113                         set_bit(EDIF_SA_CTL_REPL, &sa_ctl->state);
 114                         qla_post_sa_replace_work(fcport->vha, fcport,
 115                             nport_handle, sa_ctl);
 116
 117                 } else {
 118                         ql_dbg(ql_dbg_edif, vha, 0x3063,
 119                             "%s: sa_ctl not found for delete_sa_index: %d\n",
 120                             __func__, edif_entry->delete_sa_index);
 121                 }
 122         } else {
 123                 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
 124         }
 125 }
 126
 127 /*
 128  * create a new list entry for this nport handle and
 129  * add an sa_update index to the list - called for sa_update
 130  */
 131 static int qla_edif_list_add_sa_update_index(fc_port_t *fcport,
 132                 uint16_t sa_index, uint16_t handle)
 133 {
 134         struct edif_list_entry *entry;
 135         unsigned long flags = 0;
 136
 137         /* if the entry exists, then just update the sa_index */
 138         entry = qla_edif_list_find_sa_index(fcport, handle);
 139         if (entry) {
 140                 entry->update_sa_index = sa_index;
 141                 entry->count = 0;
 142                 return 0;
 143         }
 144
 145         /*
 146          * This is the normal path - there should be no existing entry
 147          * when update is called.  The exception is at startup
 148          * when update is called for the first two sa_indexes
 149          * followed by a delete of the first sa_index
 150          */
 151         entry = kzalloc((sizeof(struct edif_list_entry)), GFP_ATOMIC);
 152         if (!entry)
 153                 return -ENOMEM;
 154
 155         INIT_LIST_HEAD(&entry->next);
 156         entry->handle = handle;
 157         entry->update_sa_index = sa_index;
 158         entry->delete_sa_index = INVALID_EDIF_SA_INDEX;
 159         entry->count = 0;
 160         entry->flags = 0;
 161         timer_setup(&entry->timer, qla2x00_sa_replace_iocb_timeout, 0);
 162         spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
 163         list_add_tail(&entry->next, &fcport->edif.edif_indx_list);
 164         spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
 165         return 0;
 166 }
 167
 168 /* remove an entry from the list */
 169 static void qla_edif_list_delete_sa_index(fc_port_t *fcport, struct edif_list_entry *entry)
 170 {
 171         unsigned long flags = 0;
 172
 173         spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
 174         list_del(&entry->next);
 175         spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
 176 }
 177
 178 int qla_post_sa_replace_work(struct scsi_qla_host *vha,
 179          fc_port_t *fcport, uint16_t nport_handle, struct edif_sa_ctl *sa_ctl)
 180 {
 181         struct qla_work_evt *e;
 182
 183         e = qla2x00_alloc_work(vha, QLA_EVT_SA_REPLACE);
 184         if (!e)
 185                 return QLA_FUNCTION_FAILED;
 186
 187         e->u.sa_update.fcport = fcport;
 188         e->u.sa_update.sa_ctl = sa_ctl;
 189         e->u.sa_update.nport_handle = nport_handle;
 190         fcport->flags |= FCF_ASYNC_ACTIVE;
 191         return qla2x00_post_work(vha, e);
 192 }
 193
 194 static void
 195 qla_edif_sa_ctl_init(scsi_qla_host_t *vha, struct fc_port  *fcport)
 196 {
 197         ql_dbg(ql_dbg_edif, vha, 0x2058,
 198             "Init SA_CTL List for fcport - nn %8phN pn %8phN portid=%06x.\n",
 199             fcport->node_name, fcport->port_name, fcport->d_id.b24);
 200
 201         fcport->edif.tx_rekey_cnt = 0;
 202         fcport->edif.rx_rekey_cnt = 0;
 203
 204         fcport->edif.tx_bytes = 0;
 205         fcport->edif.rx_bytes = 0;
 206 }
 207
 208 static int qla_bsg_check(scsi_qla_host_t *vha, struct bsg_job *bsg_job,
 209 fc_port_t *fcport)
 210 {
 211         struct extra_auth_els *p;
 212         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
 213         struct qla_bsg_auth_els_request *req =
 214             (struct qla_bsg_auth_els_request *)bsg_job->request;
 215
 216         if (!vha->hw->flags.edif_enabled) {
 217                 ql_dbg(ql_dbg_edif, vha, 0x9105,
 218                     "%s edif not enabled\n", __func__);
 219                 goto done;
 220         }
 221         if (DBELL_INACTIVE(vha)) {
 222                 ql_dbg(ql_dbg_edif, vha, 0x09102,
 223                     "%s doorbell not enabled\n", __func__);
 224                 goto done;
 225         }
 226
 227         p = &req->e;
 228
 229         /* Get response */
 230         if (p->sub_cmd == PULL_ELS) {
 231                 struct qla_bsg_auth_els_reply *rpl =
 232                         (struct qla_bsg_auth_els_reply *)bsg_job->reply;
 233
 234                 qla_pur_get_pending(vha, fcport, bsg_job);
 235
 236                 ql_dbg(ql_dbg_edif, vha, 0x911d,
 237                         "%s %s %8phN sid=%x. xchg %x, nb=%xh bsg ptr %p\n",
 238                         __func__, sc_to_str(p->sub_cmd), fcport->port_name,
 239                         fcport->d_id.b24, rpl->rx_xchg_address,
 240                         rpl->r.reply_payload_rcv_len, bsg_job);
 241
 242                 goto done;
 243         }
 244         return 0;
 245
 246 done:
 247
 248         bsg_job_done(bsg_job, bsg_reply->result,
 249                         bsg_reply->reply_payload_rcv_len);
 250         return -EIO;
 251 }
 252
 253 fc_port_t *
 254 qla2x00_find_fcport_by_pid(scsi_qla_host_t *vha, port_id_t *id)
 255 {
 256         fc_port_t *f, *tf;
 257
 258         f = NULL;
 259         list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
 260                 if ((f->flags & FCF_FCSP_DEVICE)) {
 261                         ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x2058,
 262                             "Found secure fcport - nn %8phN pn %8phN portid=0x%x, 0x%x.\n",
 263                             f->node_name, f->port_name,
 264                             f->d_id.b24, id->b24);
 265                         if (f->d_id.b24 == id->b24)
 266                                 return f;
 267                 }
 268         }
 269         return NULL;
 270 }
 271
 272 /**
 273  * qla_edif_app_check(): check for valid application id.
 274  * @vha: host adapter pointer
 275  * @appid: application id
 276  * Return: false = fail, true = pass
 277  */
 278 static bool
 279 qla_edif_app_check(scsi_qla_host_t *vha, struct app_id appid)
 280 {
 281         /* check that the app is allow/known to the driver */
 282
 283         if (appid.app_vid == EDIF_APP_ID) {
 284                 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x911d, "%s app id ok\n", __func__);
 285                 return true;
 286         }
 287         ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app id not ok (%x)",
 288             __func__, appid.app_vid);
 289
 290         return false;
 291 }
 292
 293 static void
 294 qla_edif_free_sa_ctl(fc_port_t *fcport, struct edif_sa_ctl *sa_ctl,
 295         int index)
 296 {
 297         unsigned long flags = 0;
 298
 299         spin_lock_irqsave(&fcport->edif.sa_list_lock, flags);
 300         list_del(&sa_ctl->next);
 301         spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags);
 302         if (index >= 512)
 303                 fcport->edif.tx_rekey_cnt--;
 304         else
 305                 fcport->edif.rx_rekey_cnt--;
 306         kfree(sa_ctl);
 307 }
 308
 309 /* return an index to the freepool */
 310 static void qla_edif_add_sa_index_to_freepool(fc_port_t *fcport, int dir,
 311                 uint16_t sa_index)
 312 {
 313         void *sa_id_map;
 314         struct scsi_qla_host *vha = fcport->vha;
 315         struct qla_hw_data *ha = vha->hw;
 316         unsigned long flags = 0;
 317         u16 lsa_index = sa_index;
 318
 319         ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063,
 320             "%s: entry\n", __func__);
 321
 322         if (dir) {
 323                 sa_id_map = ha->edif_tx_sa_id_map;
 324                 lsa_index -= EDIF_TX_SA_INDEX_BASE;
 325         } else {
 326                 sa_id_map = ha->edif_rx_sa_id_map;
 327         }
 328
 329         spin_lock_irqsave(&ha->sadb_fp_lock, flags);
 330         clear_bit(lsa_index, sa_id_map);
 331         spin_unlock_irqrestore(&ha->sadb_fp_lock, flags);
 332         ql_dbg(ql_dbg_edif, vha, 0x3063,
 333             "%s: index %d added to free pool\n", __func__, sa_index);
 334 }
 335
 336 static void __qla2x00_release_all_sadb(struct scsi_qla_host *vha,
 337         struct fc_port *fcport, struct edif_sa_index_entry *entry,
 338         int pdir)
 339 {
 340         struct edif_list_entry *edif_entry;
 341         struct  edif_sa_ctl *sa_ctl;
 342         int i, dir;
 343         int key_cnt = 0;
 344
 345         for (i = 0; i < 2; i++) {
 346                 if (entry->sa_pair[i].sa_index == INVALID_EDIF_SA_INDEX)
 347                         continue;
 348
 349                 if (fcport->loop_id != entry->handle) {
 350                         ql_dbg(ql_dbg_edif, vha, 0x3063,
 351                             "%s: ** WARNING %d** entry handle: 0x%x, lid: 0x%x, sa_index: %d\n",
 352                             __func__, i, entry->handle, fcport->loop_id,
 353                             entry->sa_pair[i].sa_index);
 354                 }
 355
 356                 /* release the sa_ctl */
 357                 sa_ctl = qla_edif_find_sa_ctl_by_index(fcport,
 358                                 entry->sa_pair[i].sa_index, pdir);
 359                 if (sa_ctl &&
 360                     qla_edif_find_sa_ctl_by_index(fcport, sa_ctl->index, pdir)) {
 361                         ql_dbg(ql_dbg_edif, vha, 0x3063,
 362                             "%s: freeing sa_ctl for index %d\n", __func__, sa_ctl->index);
 363                         qla_edif_free_sa_ctl(fcport, sa_ctl, sa_ctl->index);
 364                 } else {
 365                         ql_dbg(ql_dbg_edif, vha, 0x3063,
 366                             "%s: sa_ctl NOT freed, sa_ctl: %p\n", __func__, sa_ctl);
 367                 }
 368
 369                 /* Release the index */
 370                 ql_dbg(ql_dbg_edif, vha, 0x3063,
 371                         "%s: freeing sa_index %d, nph: 0x%x\n",
 372                         __func__, entry->sa_pair[i].sa_index, entry->handle);
 373
 374                 dir = (entry->sa_pair[i].sa_index <
 375                         EDIF_TX_SA_INDEX_BASE) ? 0 : 1;
 376                 qla_edif_add_sa_index_to_freepool(fcport, dir,
 377                         entry->sa_pair[i].sa_index);
 378
 379                 /* Delete timer on RX */
 380                 if (pdir != SAU_FLG_TX) {
 381                         edif_entry =
 382                                 qla_edif_list_find_sa_index(fcport, entry->handle);
 383                         if (edif_entry) {
 384                                 ql_dbg(ql_dbg_edif, vha, 0x5033,
 385                                     "%s: remove edif_entry %p, update_sa_index: 0x%x, delete_sa_index: 0x%x\n",
 386                                     __func__, edif_entry, edif_entry->update_sa_index,
 387                                     edif_entry->delete_sa_index);
 388                                 qla_edif_list_delete_sa_index(fcport, edif_entry);
 389                                 /*
 390                                  * valid delete_sa_index indicates there is a rx
 391                                  * delayed delete queued
 392                                  */
 393                                 if (edif_entry->delete_sa_index !=
 394                                                 INVALID_EDIF_SA_INDEX) {
 395                                         del_timer(&edif_entry->timer);
 396
 397                                         /* build and send the aen */
 398                                         fcport->edif.rx_sa_set = 1;
 399                                         fcport->edif.rx_sa_pending = 0;
 400                                         qla_edb_eventcreate(vha,
 401                                                         VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
 402                                                         QL_VND_SA_STAT_SUCCESS,
 403                                                         QL_VND_RX_SA_KEY, fcport);
 404                                 }
 405                                 ql_dbg(ql_dbg_edif, vha, 0x5033,
 406                                     "%s: release edif_entry %p, update_sa_index: 0x%x, delete_sa_index: 0x%x\n",
 407                                     __func__, edif_entry, edif_entry->update_sa_index,
 408                                     edif_entry->delete_sa_index);
 409
 410                                 kfree(edif_entry);
 411                         }
 412                 }
 413                 key_cnt++;
 414         }
 415         ql_dbg(ql_dbg_edif, vha, 0x3063,
 416             "%s: %d %s keys released\n",
 417             __func__, key_cnt, pdir ? "tx" : "rx");
 418 }
 419
 420 /* find an release all outstanding sadb sa_indicies */
 421 void qla2x00_release_all_sadb(struct scsi_qla_host *vha, struct fc_port *fcport)
 422 {
 423         struct edif_sa_index_entry *entry, *tmp;
 424         struct qla_hw_data *ha = vha->hw;
 425         unsigned long flags;
 426
 427         ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063,
 428             "%s: Starting...\n", __func__);
 429
 430         spin_lock_irqsave(&ha->sadb_lock, flags);
 431
 432         list_for_each_entry_safe(entry, tmp, &ha->sadb_rx_index_list, next) {
 433                 if (entry->fcport == fcport) {
 434                         list_del(&entry->next);
 435                         spin_unlock_irqrestore(&ha->sadb_lock, flags);
 436                         __qla2x00_release_all_sadb(vha, fcport, entry, 0);
 437                         kfree(entry);
 438                         spin_lock_irqsave(&ha->sadb_lock, flags);
 439                         break;
 440                 }
 441         }
 442
 443         list_for_each_entry_safe(entry, tmp, &ha->sadb_tx_index_list, next) {
 444                 if (entry->fcport == fcport) {
 445                         list_del(&entry->next);
 446                         spin_unlock_irqrestore(&ha->sadb_lock, flags);
 447
 448                         __qla2x00_release_all_sadb(vha, fcport, entry, SAU_FLG_TX);
 449
 450                         kfree(entry);
 451                         spin_lock_irqsave(&ha->sadb_lock, flags);
 452                         break;
 453                 }
 454         }
 455         spin_unlock_irqrestore(&ha->sadb_lock, flags);
 456 }
 457
 458 /**
 459  * qla_edif_app_start:  application has announce its present
 460  * @vha: host adapter pointer
 461  * @bsg_job: user request
 462  *
 463  * Set/activate doorbell.  Reset current sessions and re-login with
 464  * secure flag.
 465  */
 466 static int
 467 qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
 468 {
 469         int32_t                 rval = 0;
 470         struct fc_bsg_reply     *bsg_reply = bsg_job->reply;
 471         struct app_start        appstart;
 472         struct app_start_reply  appreply;
 473         struct fc_port  *fcport, *tf;
 474
 475         ql_log(ql_log_info, vha, 0x1313,
 476                "EDIF application registration with driver, FC device connections will be re-established.\n");
 477
 478         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 479             bsg_job->request_payload.sg_cnt, &appstart,
 480             sizeof(struct app_start));
 481
 482         ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app_vid=%x app_start_flags %x\n",
 483              __func__, appstart.app_info.app_vid, appstart.app_start_flags);
 484
 485         if (DBELL_INACTIVE(vha)) {
 486                 /* mark doorbell as active since an app is now present */
 487                 vha->e_dbell.db_flags |= EDB_ACTIVE;
 488         } else {
 489                 ql_dbg(ql_dbg_edif, vha, 0x911e, "%s doorbell already active\n",
 490                      __func__);
 491         }
 492
 493         if (N2N_TOPO(vha->hw)) {
 494                 if (vha->hw->flags.n2n_fw_acc_sec)
 495                         set_bit(N2N_LINK_RESET, &vha->dpc_flags);
 496                 else
 497                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 498                 qla2xxx_wake_dpc(vha);
 499         } else {
 500                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
 501                         ql_dbg(ql_dbg_edif, vha, 0x2058,
 502                                "FCSP - nn %8phN pn %8phN portid=%06x.\n",
 503                                fcport->node_name, fcport->port_name,
 504                                fcport->d_id.b24);
 505                         ql_dbg(ql_dbg_edif, vha, 0xf084,
 506                                "%s: se_sess %p / sess %p from port %8phC "
 507                                "loop_id %#04x s_id %06x logout %d "
 508                                "keep %d els_logo %d disc state %d auth state %d"
 509                                "stop state %d\n",
 510                                __func__, fcport->se_sess, fcport,
 511                                fcport->port_name, fcport->loop_id,
 512                                fcport->d_id.b24, fcport->logout_on_delete,
 513                                fcport->keep_nport_handle, fcport->send_els_logo,
 514                                fcport->disc_state, fcport->edif.auth_state,
 515                                fcport->edif.app_stop);
 516
 517                         if (atomic_read(&vha->loop_state) == LOOP_DOWN)
 518                                 break;
 519
 520                         fcport->edif.app_started = 1;
 521                         fcport->login_retry = vha->hw->login_retry_count;
 522
 523                         /* no activity */
 524                         fcport->edif.app_stop = 0;
 525
 526                         ql_dbg(ql_dbg_edif, vha, 0x911e,
 527                                "%s wwpn %8phC calling qla_edif_reset_auth_wait\n",
 528                                __func__, fcport->port_name);
 529                         fcport->edif.app_sess_online = 0;
 530                         qlt_schedule_sess_for_deletion(fcport);
 531                         qla_edif_sa_ctl_init(vha, fcport);
 532                 }
 533         }
 534
 535         if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) {
 536                 /* mark as active since an app is now present */
 537                 vha->pur_cinfo.enode_flags = ENODE_ACTIVE;
 538         } else {
 539                 ql_dbg(ql_dbg_edif, vha, 0x911f, "%s enode already active\n",
 540                      __func__);
 541         }
 542
 543         appreply.host_support_edif = vha->hw->flags.edif_enabled;
 544         appreply.edif_enode_active = vha->pur_cinfo.enode_flags;
 545         appreply.edif_edb_active = vha->e_dbell.db_flags;
 546
 547         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
 548
 549         SET_DID_STATUS(bsg_reply->result, DID_OK);
 550
 551         bsg_reply->reply_payload_rcv_len = sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
 552                                                                bsg_job->reply_payload.sg_cnt,
 553                                                                &appreply,
 554                                                                sizeof(struct app_start_reply));
 555
 556         ql_dbg(ql_dbg_edif, vha, 0x911d,
 557             "%s app start completed with 0x%x\n",
 558             __func__, rval);
 559
 560         return rval;
 561 }
 562
 563 /**
 564  * qla_edif_app_stop - app has announced it's exiting.
 565  * @vha: host adapter pointer
 566  * @bsg_job: user space command pointer
 567  *
 568  * Free any in flight messages, clear all doorbell events
 569  * to application. Reject any message relate to security.
 570  */
 571 static int
 572 qla_edif_app_stop(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
 573 {
 574         struct app_stop         appstop;
 575         struct fc_bsg_reply     *bsg_reply = bsg_job->reply;
 576         struct fc_port  *fcport, *tf;
 577
 578         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 579             bsg_job->request_payload.sg_cnt, &appstop,
 580             sizeof(struct app_stop));
 581
 582         ql_dbg(ql_dbg_edif, vha, 0x911d, "%s Stopping APP: app_vid=%x\n",
 583             __func__, appstop.app_info.app_vid);
 584
 585         /* Call db stop and enode stop functions */
 586
 587         /* if we leave this running short waits are operational < 16 secs */
 588         qla_enode_stop(vha);        /* stop enode */
 589         qla_edb_stop(vha);          /* stop db */
 590
 591         list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
 592                 if (!(fcport->flags & FCF_FCSP_DEVICE))
 593                         continue;
 594
 595                 if (fcport->flags & FCF_FCSP_DEVICE) {
 596                         ql_dbg(ql_dbg_edif, vha, 0xf084,
 597                             "%s: sess %p from port %8phC lid %#04x s_id %06x logout %d keep %d els_logo %d\n",
 598                             __func__, fcport,
 599                             fcport->port_name, fcport->loop_id, fcport->d_id.b24,
 600                             fcport->logout_on_delete, fcport->keep_nport_handle,
 601                             fcport->send_els_logo);
 602
 603                         if (atomic_read(&vha->loop_state) == LOOP_DOWN)
 604                                 break;
 605
 606                         fcport->edif.app_stop = 1;
 607                         ql_dbg(ql_dbg_edif, vha, 0x911e,
 608                                 "%s wwpn %8phC calling qla_edif_reset_auth_wait\n",
 609                                 __func__, fcport->port_name);
 610
 611                         fcport->send_els_logo = 1;
 612                         qlt_schedule_sess_for_deletion(fcport);
 613
 614                         /* qla_edif_flush_sa_ctl_lists(fcport); */
 615                         fcport->edif.app_started = 0;
 616                 }
 617         }
 618
 619         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
 620         SET_DID_STATUS(bsg_reply->result, DID_OK);
 621
 622         /* no return interface to app - it assumes we cleaned up ok */
 623
 624         return 0;
 625 }
 626
 627 static int
 628 qla_edif_app_chk_sa_update(scsi_qla_host_t *vha, fc_port_t *fcport,
 629                 struct app_plogi_reply *appplogireply)
 630 {
 631         int     ret = 0;
 632
 633         if (!(fcport->edif.rx_sa_set && fcport->edif.tx_sa_set)) {
 634                 ql_dbg(ql_dbg_edif, vha, 0x911e,
 635                     "%s: wwpn %8phC Both SA indexes has not been SET TX %d, RX %d.\n",
 636                     __func__, fcport->port_name, fcport->edif.tx_sa_set,
 637                     fcport->edif.rx_sa_set);
 638                 appplogireply->prli_status = 0;
 639                 ret = 1;
 640         } else  {
 641                 ql_dbg(ql_dbg_edif, vha, 0x911e,
 642                     "%s wwpn %8phC Both SA(s) updated.\n", __func__,
 643                     fcport->port_name);
 644                 fcport->edif.rx_sa_set = fcport->edif.tx_sa_set = 0;
 645                 fcport->edif.rx_sa_pending = fcport->edif.tx_sa_pending = 0;
 646                 appplogireply->prli_status = 1;
 647         }
 648         return ret;
 649 }
 650
 651 /**
 652  * qla_edif_app_authok - authentication by app succeeded.  Driver can proceed
 653  *   with prli
 654  * @vha: host adapter pointer
 655  * @bsg_job: user request
 656  */
 657 static int
 658 qla_edif_app_authok(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
 659 {
 660         int32_t                 rval = 0;
 661         struct auth_complete_cmd appplogiok;
 662         struct app_plogi_reply  appplogireply = {0};
 663         struct fc_bsg_reply     *bsg_reply = bsg_job->reply;
 664         fc_port_t               *fcport = NULL;
 665         port_id_t               portid = {0};
 666
 667         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 668             bsg_job->request_payload.sg_cnt, &appplogiok,
 669             sizeof(struct auth_complete_cmd));
 670
 671         switch (appplogiok.type) {
 672         case PL_TYPE_WWPN:
 673                 fcport = qla2x00_find_fcport_by_wwpn(vha,
 674                     appplogiok.u.wwpn, 0);
 675                 if (!fcport)
 676                         ql_dbg(ql_dbg_edif, vha, 0x911d,
 677                             "%s wwpn lookup failed: %8phC\n",
 678                             __func__, appplogiok.u.wwpn);
 679                 break;
 680         case PL_TYPE_DID:
 681                 fcport = qla2x00_find_fcport_by_pid(vha, &appplogiok.u.d_id);
 682                 if (!fcport)
 683                         ql_dbg(ql_dbg_edif, vha, 0x911d,
 684                             "%s d_id lookup failed: %x\n", __func__,
 685                             portid.b24);
 686                 break;
 687         default:
 688                 ql_dbg(ql_dbg_edif, vha, 0x911d,
 689                     "%s undefined type: %x\n", __func__,
 690                     appplogiok.type);
 691                 break;
 692         }
 693
 694         if (!fcport) {
 695                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
 696                 goto errstate_exit;
 697         }
 698
 699         /*
 700          * if port is online then this is a REKEY operation
 701          * Only do sa update checking
 702          */
 703         if (atomic_read(&fcport->state) == FCS_ONLINE) {
 704                 ql_dbg(ql_dbg_edif, vha, 0x911d,
 705                     "%s Skipping PRLI complete based on rekey\n", __func__);
 706                 appplogireply.prli_status = 1;
 707                 SET_DID_STATUS(bsg_reply->result, DID_OK);
 708                 qla_edif_app_chk_sa_update(vha, fcport, &appplogireply);
 709                 goto errstate_exit;
 710         }
 711
 712         /* make sure in AUTH_PENDING or else reject */
 713         if (fcport->disc_state != DSC_LOGIN_AUTH_PEND) {
 714                 ql_dbg(ql_dbg_edif, vha, 0x911e,
 715                     "%s wwpn %8phC is not in auth pending state (%x)\n",
 716                     __func__, fcport->port_name, fcport->disc_state);
 717                 SET_DID_STATUS(bsg_reply->result, DID_OK);
 718                 appplogireply.prli_status = 0;
 719                 goto errstate_exit;
 720         }
 721
 722         SET_DID_STATUS(bsg_reply->result, DID_OK);
 723         appplogireply.prli_status = 1;
 724         fcport->edif.authok = 1;
 725         if (!(fcport->edif.rx_sa_set && fcport->edif.tx_sa_set)) {
 726                 ql_dbg(ql_dbg_edif, vha, 0x911e,
 727                     "%s: wwpn %8phC Both SA indexes has not been SET TX %d, RX %d.\n",
 728                     __func__, fcport->port_name, fcport->edif.tx_sa_set,
 729                     fcport->edif.rx_sa_set);
 730                 SET_DID_STATUS(bsg_reply->result, DID_OK);
 731                 appplogireply.prli_status = 0;
 732                 goto errstate_exit;
 733
 734         } else {
 735                 ql_dbg(ql_dbg_edif, vha, 0x911e,
 736                     "%s wwpn %8phC Both SA(s) updated.\n", __func__,
 737                     fcport->port_name);
 738                 fcport->edif.rx_sa_set = fcport->edif.tx_sa_set = 0;
 739                 fcport->edif.rx_sa_pending = fcport->edif.tx_sa_pending = 0;
 740         }
 741
 742         if (qla_ini_mode_enabled(vha)) {
 743                 ql_dbg(ql_dbg_edif, vha, 0x911e,
 744                     "%s AUTH complete - RESUME with prli for wwpn %8phC\n",
 745                     __func__, fcport->port_name);
 746                 qla24xx_post_prli_work(vha, fcport);
 747         }
 748
 749 errstate_exit:
 750         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
 751         bsg_reply->reply_payload_rcv_len = sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
 752                                                                bsg_job->reply_payload.sg_cnt,
 753                                                                &appplogireply,
 754                                                                sizeof(struct app_plogi_reply));
 755
 756         return rval;
 757 }
 758
 759 /**
 760  * qla_edif_app_authfail - authentication by app has failed.  Driver is given
 761  *   notice to tear down current session.
 762  * @vha: host adapter pointer
 763  * @bsg_job: user request
 764  */
 765 static int
 766 qla_edif_app_authfail(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
 767 {
 768         int32_t                 rval = 0;
 769         struct auth_complete_cmd appplogifail;
 770         struct fc_bsg_reply     *bsg_reply = bsg_job->reply;
 771         fc_port_t               *fcport = NULL;
 772         port_id_t               portid = {0};
 773
 774         ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app auth fail\n", __func__);
 775
 776         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 777             bsg_job->request_payload.sg_cnt, &appplogifail,
 778             sizeof(struct auth_complete_cmd));
 779
 780         /*
 781          * TODO: edif: app has failed this plogi. Inform driver to
 782          * take any action (if any).
 783          */
 784         switch (appplogifail.type) {
 785         case PL_TYPE_WWPN:
 786                 fcport = qla2x00_find_fcport_by_wwpn(vha,
 787                     appplogifail.u.wwpn, 0);
 788                 SET_DID_STATUS(bsg_reply->result, DID_OK);
 789                 break;
 790         case PL_TYPE_DID:
 791                 fcport = qla2x00_find_fcport_by_pid(vha, &appplogifail.u.d_id);
 792                 if (!fcport)
 793                         ql_dbg(ql_dbg_edif, vha, 0x911d,
 794                             "%s d_id lookup failed: %x\n", __func__,
 795                             portid.b24);
 796                 SET_DID_STATUS(bsg_reply->result, DID_OK);
 797                 break;
 798         default:
 799                 ql_dbg(ql_dbg_edif, vha, 0x911e,
 800                     "%s undefined type: %x\n", __func__,
 801                     appplogifail.type);
 802                 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
 803                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
 804                 rval = -1;
 805                 break;
 806         }
 807
 808         ql_dbg(ql_dbg_edif, vha, 0x911d,
 809             "%s fcport is 0x%p\n", __func__, fcport);
 810
 811         if (fcport) {
 812                 /* set/reset edif values and flags */
 813                 ql_dbg(ql_dbg_edif, vha, 0x911e,
 814                     "%s reset the auth process - %8phC, loopid=%x portid=%06x.\n",
 815                     __func__, fcport->port_name, fcport->loop_id, fcport->d_id.b24);
 816
 817                 if (qla_ini_mode_enabled(fcport->vha)) {
 818                         fcport->send_els_logo = 1;
 819                         qlt_schedule_sess_for_deletion(fcport);
 820                 }
 821         }
 822
 823         return rval;
 824 }
 825
 826 /**
 827  * qla_edif_app_getfcinfo - app would like to read session info (wwpn, nportid,
 828  *   [initiator|target] mode.  It can specific session with specific nport id or
 829  *   all sessions.
 830  * @vha: host adapter pointer
 831  * @bsg_job: user request pointer
 832  */
 833 static int
 834 qla_edif_app_getfcinfo(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
 835 {
 836         int32_t                 rval = 0;
 837         int32_t                 pcnt = 0;
 838         struct fc_bsg_reply     *bsg_reply = bsg_job->reply;
 839         struct app_pinfo_req    app_req;
 840         struct app_pinfo_reply  *app_reply;
 841         port_id_t               tdid;
 842
 843         ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app get fcinfo\n", __func__);
 844
 845         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 846             bsg_job->request_payload.sg_cnt, &app_req,
 847             sizeof(struct app_pinfo_req));
 848
 849         app_reply = kzalloc((sizeof(struct app_pinfo_reply) +
 850             sizeof(struct app_pinfo) * app_req.num_ports), GFP_KERNEL);
 851
 852         if (!app_reply) {
 853                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
 854                 rval = -1;
 855         } else {
 856                 struct fc_port  *fcport = NULL, *tf;
 857
 858                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
 859                         if (!(fcport->flags & FCF_FCSP_DEVICE))
 860                                 continue;
 861
 862                         tdid = app_req.remote_pid;
 863
 864                         ql_dbg(ql_dbg_edif, vha, 0x2058,
 865                             "APP request entry - portid=%06x.\n", tdid.b24);
 866
 867                         /* Ran out of space */
 868                         if (pcnt >= app_req.num_ports)
 869                                 break;
 870
 871                         if (tdid.b24 != 0 && tdid.b24 != fcport->d_id.b24)
 872                                 continue;
 873
 874                         app_reply->ports[pcnt].rekey_count =
 875                                 fcport->edif.rekey_cnt;
 876
 877                         app_reply->ports[pcnt].remote_type =
 878                                 VND_CMD_RTYPE_UNKNOWN;
 879                         if (fcport->port_type & (FCT_NVME_TARGET | FCT_TARGET))
 880                                 app_reply->ports[pcnt].remote_type |=
 881                                         VND_CMD_RTYPE_TARGET;
 882                         if (fcport->port_type & (FCT_NVME_INITIATOR | FCT_INITIATOR))
 883                                 app_reply->ports[pcnt].remote_type |=
 884                                         VND_CMD_RTYPE_INITIATOR;
 885
 886                         app_reply->ports[pcnt].remote_pid = fcport->d_id;
 887
 888                         ql_dbg(ql_dbg_edif, vha, 0x2058,
 889                             "Found FC_SP fcport - nn %8phN pn %8phN pcnt %d portid=%06x secure %d.\n",
 890                             fcport->node_name, fcport->port_name, pcnt,
 891                             fcport->d_id.b24, fcport->flags & FCF_FCSP_DEVICE);
 892
 893                         switch (fcport->edif.auth_state) {
 894                         case VND_CMD_AUTH_STATE_ELS_RCVD:
 895                                 if (fcport->disc_state == DSC_LOGIN_AUTH_PEND) {
 896                                         fcport->edif.auth_state = VND_CMD_AUTH_STATE_NEEDED;
 897                                         app_reply->ports[pcnt].auth_state =
 898                                                 VND_CMD_AUTH_STATE_NEEDED;
 899                                 } else {
 900                                         app_reply->ports[pcnt].auth_state =
 901                                                 VND_CMD_AUTH_STATE_ELS_RCVD;
 902                                 }
 903                                 break;
 904                         default:
 905                                 app_reply->ports[pcnt].auth_state = fcport->edif.auth_state;
 906                                 break;
 907                         }
 908
 909                         memcpy(app_reply->ports[pcnt].remote_wwpn,
 910                             fcport->port_name, 8);
 911
 912                         app_reply->ports[pcnt].remote_state =
 913                                 (atomic_read(&fcport->state) ==
 914                                     FCS_ONLINE ? 1 : 0);
 915
 916                         pcnt++;
 917
 918                         if (tdid.b24 != 0)
 919                                 break;
 920                 }
 921                 app_reply->port_count = pcnt;
 922                 SET_DID_STATUS(bsg_reply->result, DID_OK);
 923         }
 924
 925         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
 926         bsg_reply->reply_payload_rcv_len = sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
 927                                                                bsg_job->reply_payload.sg_cnt,
 928                                                                app_reply,
 929                                                                sizeof(struct app_pinfo_reply) + sizeof(struct app_pinfo) * pcnt);
 930
 931         kfree(app_reply);
 932
 933         return rval;
 934 }
 935
 936 /**
 937  * qla_edif_app_getstats - app would like to read various statistics info
 938  * @vha: host adapter pointer
 939  * @bsg_job: user request
 940  */
 941 static int32_t
 942 qla_edif_app_getstats(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
 943 {
 944         int32_t                 rval = 0;
 945         struct fc_bsg_reply     *bsg_reply = bsg_job->reply;
 946         uint32_t size;
 947
 948         struct app_sinfo_req    app_req;
 949         struct app_stats_reply  *app_reply;
 950         uint32_t pcnt = 0;
 951
 952         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
 953             bsg_job->request_payload.sg_cnt, &app_req,
 954             sizeof(struct app_sinfo_req));
 955         if (app_req.num_ports == 0) {
 956                 ql_dbg(ql_dbg_async, vha, 0x911d,
 957                    "%s app did not indicate number of ports to return\n",
 958                     __func__);
 959                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
 960                 rval = -1;
 961         }
 962
 963         size = sizeof(struct app_stats_reply) +
 964             (sizeof(struct app_sinfo) * app_req.num_ports);
 965
 966         app_reply = kzalloc(size, GFP_KERNEL);
 967         if (!app_reply) {
 968                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
 969                 rval = -1;
 970         } else {
 971                 struct fc_port  *fcport = NULL, *tf;
 972
 973                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
 974                         if (fcport->edif.enable) {
 975                                 if (pcnt > app_req.num_ports)
 976                                         break;
 977
 978                                 app_reply->elem[pcnt].rekey_count =
 979                                     fcport->edif.rekey_cnt;
 980                                 app_reply->elem[pcnt].tx_bytes =
 981                                     fcport->edif.tx_bytes;
 982                                 app_reply->elem[pcnt].rx_bytes =
 983                                     fcport->edif.rx_bytes;
 984
 985                                 memcpy(app_reply->elem[pcnt].remote_wwpn,
 986                                     fcport->port_name, 8);
 987
 988                                 pcnt++;
 989                         }
 990                 }
 991                 app_reply->elem_count = pcnt;
 992                 SET_DID_STATUS(bsg_reply->result, DID_OK);
 993         }
 994
 995         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
 996         bsg_reply->reply_payload_rcv_len =
 997             sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
 998                bsg_job->reply_payload.sg_cnt, app_reply,
 999                sizeof(struct app_stats_reply) + (sizeof(struct app_sinfo) * pcnt));
1000
1001         kfree(app_reply);
1002
1003         return rval;
1004 }
1005
1006 int32_t
1007 qla_edif_app_mgmt(struct bsg_job *bsg_job)
1008 {
1009         struct fc_bsg_request   *bsg_request = bsg_job->request;
1010         struct fc_bsg_reply     *bsg_reply = bsg_job->reply;
1011         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1012         scsi_qla_host_t         *vha = shost_priv(host);
1013         struct app_id           appcheck;
1014         bool done = true;
1015         int32_t         rval = 0;
1016         uint32_t        vnd_sc = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1017
1018         ql_dbg(ql_dbg_edif, vha, 0x911d, "%s vnd subcmd=%x\n",
1019             __func__, vnd_sc);
1020
1021         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1022             bsg_job->request_payload.sg_cnt, &appcheck,
1023             sizeof(struct app_id));
1024
1025         if (!vha->hw->flags.edif_enabled ||
1026                 test_bit(VPORT_DELETE, &vha->dpc_flags)) {
1027                 ql_dbg(ql_dbg_edif, vha, 0x911d,
1028                     "%s edif not enabled or vp delete. bsg ptr done %p. dpc_flags %lx\n",
1029                     __func__, bsg_job, vha->dpc_flags);
1030
1031                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
1032                 goto done;
1033         }
1034
1035         if (!qla_edif_app_check(vha, appcheck)) {
1036                 ql_dbg(ql_dbg_edif, vha, 0x911d,
1037                     "%s app checked failed.\n",
1038                     __func__);
1039
1040                 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1041                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
1042                 goto done;
1043         }
1044
1045         switch (vnd_sc) {
1046         case QL_VND_SC_SA_UPDATE:
1047                 done = false;
1048                 rval = qla24xx_sadb_update(bsg_job);
1049                 break;
1050         case QL_VND_SC_APP_START:
1051                 rval = qla_edif_app_start(vha, bsg_job);
1052                 break;
1053         case QL_VND_SC_APP_STOP:
1054                 rval = qla_edif_app_stop(vha, bsg_job);
1055                 break;
1056         case QL_VND_SC_AUTH_OK:
1057                 rval = qla_edif_app_authok(vha, bsg_job);
1058                 break;
1059         case QL_VND_SC_AUTH_FAIL:
1060                 rval = qla_edif_app_authfail(vha, bsg_job);
1061                 break;
1062         case QL_VND_SC_GET_FCINFO:
1063                 rval = qla_edif_app_getfcinfo(vha, bsg_job);
1064                 break;
1065         case QL_VND_SC_GET_STATS:
1066                 rval = qla_edif_app_getstats(vha, bsg_job);
1067                 break;
1068         default:
1069                 ql_dbg(ql_dbg_edif, vha, 0x911d, "%s unknown cmd=%x\n",
1070                     __func__,
1071                     bsg_request->rqst_data.h_vendor.vendor_cmd[1]);
1072                 rval = EXT_STATUS_INVALID_PARAM;
1073                 done = false;
1074                 break;
1075         }
1076
1077 done:
1078         if (done) {
1079                 ql_dbg(ql_dbg_user, vha, 0x7009,
1080                     "%s: %d  bsg ptr done %p\n", __func__, __LINE__, bsg_job);
1081                 bsg_job_done(bsg_job, bsg_reply->result,
1082                     bsg_reply->reply_payload_rcv_len);
1083         }
1084
1085         return rval;
1086 }
1087
1088 static struct edif_sa_ctl *
1089 qla_edif_add_sa_ctl(fc_port_t *fcport, struct qla_sa_update_frame *sa_frame,
1090         int dir)
1091 {
1092         struct  edif_sa_ctl *sa_ctl;
1093         struct qla_sa_update_frame *sap;
1094         int     index = sa_frame->fast_sa_index;
1095         unsigned long flags = 0;
1096
1097         sa_ctl = kzalloc(sizeof(*sa_ctl), GFP_KERNEL);
1098         if (!sa_ctl) {
1099                 /* couldn't get space */
1100                 ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
1101                     "unable to allocate SA CTL\n");
1102                 return NULL;
1103         }
1104
1105         /*
1106          * need to allocate sa_index here and save it
1107          * in both sa_ctl->index and sa_frame->fast_sa_index;
1108          * If alloc fails then delete sa_ctl and return NULL
1109          */
1110         INIT_LIST_HEAD(&sa_ctl->next);
1111         sap = &sa_ctl->sa_frame;
1112         *sap = *sa_frame;
1113         sa_ctl->index = index;
1114         sa_ctl->fcport = fcport;
1115         sa_ctl->flags = 0;
1116         sa_ctl->state = 0L;
1117         ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
1118             "%s: Added sa_ctl %p, index %d, state 0x%lx\n",
1119             __func__, sa_ctl, sa_ctl->index, sa_ctl->state);
1120         spin_lock_irqsave(&fcport->edif.sa_list_lock, flags);
1121         if (dir == SAU_FLG_TX)
1122                 list_add_tail(&sa_ctl->next, &fcport->edif.tx_sa_list);
1123         else
1124                 list_add_tail(&sa_ctl->next, &fcport->edif.rx_sa_list);
1125         spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags);
1126
1127         return sa_ctl;
1128 }
1129
1130 void
1131 qla_edif_flush_sa_ctl_lists(fc_port_t *fcport)
1132 {
1133         struct edif_sa_ctl *sa_ctl, *tsa_ctl;
1134         unsigned long flags = 0;
1135
1136         spin_lock_irqsave(&fcport->edif.sa_list_lock, flags);
1137
1138         list_for_each_entry_safe(sa_ctl, tsa_ctl, &fcport->edif.tx_sa_list,
1139             next) {
1140                 list_del(&sa_ctl->next);
1141                 kfree(sa_ctl);
1142         }
1143
1144         list_for_each_entry_safe(sa_ctl, tsa_ctl, &fcport->edif.rx_sa_list,
1145             next) {
1146                 list_del(&sa_ctl->next);
1147                 kfree(sa_ctl);
1148         }
1149
1150         spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags);
1151 }
1152
1153 struct edif_sa_ctl *
1154 qla_edif_find_sa_ctl_by_index(fc_port_t *fcport, int index, int dir)
1155 {
1156         struct edif_sa_ctl *sa_ctl, *tsa_ctl;
1157         struct list_head *sa_list;
1158
1159         if (dir == SAU_FLG_TX)
1160                 sa_list = &fcport->edif.tx_sa_list;
1161         else
1162                 sa_list = &fcport->edif.rx_sa_list;
1163
1164         list_for_each_entry_safe(sa_ctl, tsa_ctl, sa_list, next) {
1165                 if (test_bit(EDIF_SA_CTL_USED, &sa_ctl->state) &&
1166                     sa_ctl->index == index)
1167                         return sa_ctl;
1168         }
1169         return NULL;
1170 }
1171
1172 /* add the sa to the correct list */
1173 static int
1174 qla24xx_check_sadb_avail_slot(struct bsg_job *bsg_job, fc_port_t *fcport,
1175         struct qla_sa_update_frame *sa_frame)
1176 {
1177         struct edif_sa_ctl *sa_ctl = NULL;
1178         int dir;
1179         uint16_t sa_index;
1180
1181         dir = (sa_frame->flags & SAU_FLG_TX);
1182
1183         /* map the spi to an sa_index */
1184         sa_index = qla_edif_sadb_get_sa_index(fcport, sa_frame);
1185         if (sa_index == RX_DELETE_NO_EDIF_SA_INDEX) {
1186                 /* process rx delete */
1187                 ql_dbg(ql_dbg_edif, fcport->vha, 0x3063,
1188                     "%s: rx delete for lid 0x%x, spi 0x%x, no entry found\n",
1189                     __func__, fcport->loop_id, sa_frame->spi);
1190
1191                 /* build and send the aen */
1192                 fcport->edif.rx_sa_set = 1;
1193                 fcport->edif.rx_sa_pending = 0;
1194                 qla_edb_eventcreate(fcport->vha,
1195                     VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
1196                     QL_VND_SA_STAT_SUCCESS,
1197                     QL_VND_RX_SA_KEY, fcport);
1198
1199                 /* force a return of good bsg status; */
1200                 return RX_DELETE_NO_EDIF_SA_INDEX;
1201         } else if (sa_index == INVALID_EDIF_SA_INDEX) {
1202                 ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
1203                     "%s: Failed to get sa_index for spi 0x%x, dir: %d\n",
1204                     __func__, sa_frame->spi, dir);
1205                 return INVALID_EDIF_SA_INDEX;
1206         }
1207
1208         ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
1209             "%s: index %d allocated to spi 0x%x, dir: %d, nport_handle: 0x%x\n",
1210             __func__, sa_index, sa_frame->spi, dir, fcport->loop_id);
1211
1212         /* This is a local copy of sa_frame. */
1213         sa_frame->fast_sa_index = sa_index;
1214         /* create the sa_ctl */
1215         sa_ctl = qla_edif_add_sa_ctl(fcport, sa_frame, dir);
1216         if (!sa_ctl) {
1217                 ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
1218                     "%s: Failed to add sa_ctl for spi 0x%x, dir: %d, sa_index: %d\n",
1219                     __func__, sa_frame->spi, dir, sa_index);
1220                 return -1;
1221         }
1222
1223         set_bit(EDIF_SA_CTL_USED, &sa_ctl->state);
1224
1225         if (dir == SAU_FLG_TX)
1226                 fcport->edif.tx_rekey_cnt++;
1227         else
1228                 fcport->edif.rx_rekey_cnt++;
1229
1230         ql_dbg(ql_dbg_edif, fcport->vha, 0x9100,
1231             "%s: Found sa_ctl %p, index %d, state 0x%lx, tx_cnt %d, rx_cnt %d, nport_handle: 0x%x\n",
1232             __func__, sa_ctl, sa_ctl->index, sa_ctl->state,
1233             fcport->edif.tx_rekey_cnt,
1234             fcport->edif.rx_rekey_cnt, fcport->loop_id);
1235
1236         return 0;
1237 }
1238
1239 #define QLA_SA_UPDATE_FLAGS_RX_KEY      0x0
1240 #define QLA_SA_UPDATE_FLAGS_TX_KEY      0x2
1241
1242 int
1243 qla24xx_sadb_update(struct bsg_job *bsg_job)
1244 {
1245         struct  fc_bsg_reply    *bsg_reply = bsg_job->reply;
1246         struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1247         scsi_qla_host_t *vha = shost_priv(host);
1248         fc_port_t               *fcport = NULL;
1249         srb_t                   *sp = NULL;
1250         struct edif_list_entry *edif_entry = NULL;
1251         int                     found = 0;
1252         int                     rval = 0;
1253         int result = 0;
1254         struct qla_sa_update_frame sa_frame;
1255         struct srb_iocb *iocb_cmd;
1256
1257         ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x911d,
1258             "%s entered, vha: 0x%p\n", __func__, vha);
1259
1260         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1261             bsg_job->request_payload.sg_cnt, &sa_frame,
1262             sizeof(struct qla_sa_update_frame));
1263
1264         /* Check if host is online */
1265         if (!vha->flags.online) {
1266                 ql_log(ql_log_warn, vha, 0x70a1, "Host is not online\n");
1267                 rval = -EIO;
1268                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
1269                 goto done;
1270         }
1271
1272         if (DBELL_INACTIVE(vha)) {
1273                 ql_log(ql_log_warn, vha, 0x70a1, "App not started\n");
1274                 rval = -EIO;
1275                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
1276                 goto done;
1277         }
1278
1279         fcport = qla2x00_find_fcport_by_pid(vha, &sa_frame.port_id);
1280         if (fcport) {
1281                 found = 1;
1282                 if (sa_frame.flags == QLA_SA_UPDATE_FLAGS_TX_KEY)
1283                         fcport->edif.tx_bytes = 0;
1284                 if (sa_frame.flags == QLA_SA_UPDATE_FLAGS_RX_KEY)
1285                         fcport->edif.rx_bytes = 0;
1286         }
1287
1288         if (!found) {
1289                 ql_dbg(ql_dbg_edif, vha, 0x70a3, "Failed to find port= %06x\n",
1290                     sa_frame.port_id.b24);
1291                 rval = -EINVAL;
1292                 SET_DID_STATUS(bsg_reply->result, DID_TARGET_FAILURE);
1293                 goto done;
1294         }
1295
1296         /* make sure the nport_handle is valid */
1297         if (fcport->loop_id == FC_NO_LOOP_ID) {
1298                 ql_dbg(ql_dbg_edif, vha, 0x70e1,
1299                     "%s: %8phN lid=FC_NO_LOOP_ID, spi: 0x%x, DS %d, returning NO_CONNECT\n",
1300                     __func__, fcport->port_name, sa_frame.spi,
1301                     fcport->disc_state);
1302                 rval = -EINVAL;
1303                 SET_DID_STATUS(bsg_reply->result, DID_NO_CONNECT);
1304                 goto done;
1305         }
1306
1307         /* allocate and queue an sa_ctl */
1308         result = qla24xx_check_sadb_avail_slot(bsg_job, fcport, &sa_frame);
1309
1310         /* failure of bsg */
1311         if (result == INVALID_EDIF_SA_INDEX) {
1312                 ql_dbg(ql_dbg_edif, vha, 0x70e1,
1313                     "%s: %8phN, skipping update.\n",
1314                     __func__, fcport->port_name);
1315                 rval = -EINVAL;
1316                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
1317                 goto done;
1318
1319         /* rx delete failure */
1320         } else if (result == RX_DELETE_NO_EDIF_SA_INDEX) {
1321                 ql_dbg(ql_dbg_edif, vha, 0x70e1,
1322                     "%s: %8phN, skipping rx delete.\n",
1323                     __func__, fcport->port_name);
1324                 SET_DID_STATUS(bsg_reply->result, DID_OK);
1325                 goto done;
1326         }
1327
1328         ql_dbg(ql_dbg_edif, vha, 0x70e1,
1329             "%s: %8phN, sa_index in sa_frame: %d flags %xh\n",
1330             __func__, fcport->port_name, sa_frame.fast_sa_index,
1331             sa_frame.flags);
1332
1333         /* looking for rx index and delete */
1334         if (((sa_frame.flags & SAU_FLG_TX) == 0) &&
1335             (sa_frame.flags & SAU_FLG_INV)) {
1336                 uint16_t nport_handle = fcport->loop_id;
1337                 uint16_t sa_index = sa_frame.fast_sa_index;
1338
1339                 /*
1340                  * make sure we have an existing rx key, otherwise just process
1341                  * this as a straight delete just like TX
1342                  * This is NOT a normal case, it indicates an error recovery or key cleanup
1343                  * by the ipsec code above us.
1344                  */
1345                 edif_entry = qla_edif_list_find_sa_index(fcport, fcport->loop_id);
1346                 if (!edif_entry) {
1347                         ql_dbg(ql_dbg_edif, vha, 0x911d,
1348                             "%s: WARNING: no active sa_index for nport_handle 0x%x, forcing delete for sa_index 0x%x\n",
1349                             __func__, fcport->loop_id, sa_index);
1350                         goto force_rx_delete;
1351                 }
1352
1353                 /*
1354                  * if we have a forced delete for rx, remove the sa_index from the edif list
1355                  * and proceed with normal delete.  The rx delay timer should not be running
1356                  */
1357                 if ((sa_frame.flags & SAU_FLG_FORCE_DELETE) == SAU_FLG_FORCE_DELETE) {
1358                         qla_edif_list_delete_sa_index(fcport, edif_entry);
1359                         ql_dbg(ql_dbg_edif, vha, 0x911d,
1360                             "%s: FORCE DELETE flag found for nport_handle 0x%x, sa_index 0x%x, forcing DELETE\n",
1361                             __func__, fcport->loop_id, sa_index);
1362                         kfree(edif_entry);
1363                         goto force_rx_delete;
1364                 }
1365
1366                 /*
1367                  * delayed rx delete
1368                  *
1369                  * if delete_sa_index is not invalid then there is already
1370                  * a delayed index in progress, return bsg bad status
1371                  */
1372                 if (edif_entry->delete_sa_index != INVALID_EDIF_SA_INDEX) {
1373                         struct edif_sa_ctl *sa_ctl;
1374
1375                         ql_dbg(ql_dbg_edif, vha, 0x911d,
1376                             "%s: delete for lid 0x%x, delete_sa_index %d is pending\n",
1377                             __func__, edif_entry->handle, edif_entry->delete_sa_index);
1378
1379                         /* free up the sa_ctl that was allocated with the sa_index */
1380                         sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, sa_index,
1381                             (sa_frame.flags & SAU_FLG_TX));
1382                         if (sa_ctl) {
1383                                 ql_dbg(ql_dbg_edif, vha, 0x3063,
1384                                     "%s: freeing sa_ctl for index %d\n",
1385                                     __func__, sa_ctl->index);
1386                                 qla_edif_free_sa_ctl(fcport, sa_ctl, sa_ctl->index);
1387                         }
1388
1389                         /* release the sa_index */
1390                         ql_dbg(ql_dbg_edif, vha, 0x3063,
1391                             "%s: freeing sa_index %d, nph: 0x%x\n",
1392                             __func__, sa_index, nport_handle);
1393                         qla_edif_sadb_delete_sa_index(fcport, nport_handle, sa_index);
1394
1395                         rval = -EINVAL;
1396                         SET_DID_STATUS(bsg_reply->result, DID_ERROR);
1397                         goto done;
1398                 }
1399
1400                 fcport->edif.rekey_cnt++;
1401
1402                 /* configure and start the rx delay timer */
1403                 edif_entry->fcport = fcport;
1404                 edif_entry->timer.expires = jiffies + RX_DELAY_DELETE_TIMEOUT * HZ;
1405
1406                 ql_dbg(ql_dbg_edif, vha, 0x911d,
1407                     "%s: adding timer, entry: %p, delete sa_index %d, lid 0x%x to edif_list\n",
1408                     __func__, edif_entry, sa_index, nport_handle);
1409
1410                 /*
1411                  * Start the timer when we queue the delayed rx delete.
1412                  * This is an activity timer that goes off if we have not
1413                  * received packets with the new sa_index
1414                  */
1415                 add_timer(&edif_entry->timer);
1416
1417                 /*
1418                  * sa_delete for rx key with an active rx key including this one
1419                  * add the delete rx sa index to the hash so we can look for it
1420                  * in the rsp queue.  Do this after making any changes to the
1421                  * edif_entry as part of the rx delete.
1422                  */
1423
1424                 ql_dbg(ql_dbg_edif, vha, 0x911d,
1425                     "%s: delete sa_index %d, lid 0x%x to edif_list. bsg done ptr %p\n",
1426                     __func__, sa_index, nport_handle, bsg_job);
1427
1428                 edif_entry->delete_sa_index = sa_index;
1429
1430                 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1431                 bsg_reply->result = DID_OK << 16;
1432
1433                 goto done;
1434
1435         /*
1436          * rx index and update
1437          * add the index to the list and continue with normal update
1438          */
1439         } else if (((sa_frame.flags & SAU_FLG_TX) == 0) &&
1440             ((sa_frame.flags & SAU_FLG_INV) == 0)) {
1441                 /* sa_update for rx key */
1442                 uint32_t nport_handle = fcport->loop_id;
1443                 uint16_t sa_index = sa_frame.fast_sa_index;
1444                 int result;
1445
1446                 /*
1447                  * add the update rx sa index to the hash so we can look for it
1448                  * in the rsp queue and continue normally
1449                  */
1450
1451                 ql_dbg(ql_dbg_edif, vha, 0x911d,
1452                     "%s:  adding update sa_index %d, lid 0x%x to edif_list\n",
1453                     __func__, sa_index, nport_handle);
1454
1455                 result = qla_edif_list_add_sa_update_index(fcport, sa_index,
1456                     nport_handle);
1457                 if (result) {
1458                         ql_dbg(ql_dbg_edif, vha, 0x911d,
1459                             "%s: SA_UPDATE failed to add new sa index %d to list for lid 0x%x\n",
1460                             __func__, sa_index, nport_handle);
1461                 }
1462         }
1463         if (sa_frame.flags & SAU_FLG_GMAC_MODE)
1464                 fcport->edif.aes_gmac = 1;
1465         else
1466                 fcport->edif.aes_gmac = 0;
1467
1468 force_rx_delete:
1469         /*
1470          * sa_update for both rx and tx keys, sa_delete for tx key
1471          * immediately process the request
1472          */
1473         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1474         if (!sp) {
1475                 rval = -ENOMEM;
1476                 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
1477                 goto done;
1478         }
1479
1480         sp->type = SRB_SA_UPDATE;
1481         sp->name = "bsg_sa_update";
1482         sp->u.bsg_job = bsg_job;
1483         /* sp->free = qla2x00_bsg_sp_free; */
1484         sp->free = qla2x00_rel_sp;
1485         sp->done = qla2x00_bsg_job_done;
1486         iocb_cmd = &sp->u.iocb_cmd;
1487         iocb_cmd->u.sa_update.sa_frame  = sa_frame;
1488
1489         rval = qla2x00_start_sp(sp);
1490         if (rval != QLA_SUCCESS) {
1491                 ql_log(ql_dbg_edif, vha, 0x70e3,
1492                     "qla2x00_start_sp failed=%d.\n", rval);
1493
1494                 qla2x00_rel_sp(sp);
1495                 rval = -EIO;
1496                 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
1497                 goto done;
1498         }
1499
1500         ql_dbg(ql_dbg_edif, vha, 0x911d,
1501             "%s:  %s sent, hdl=%x, portid=%06x.\n",
1502             __func__, sp->name, sp->handle, fcport->d_id.b24);
1503
1504         fcport->edif.rekey_cnt++;
1505         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1506         SET_DID_STATUS(bsg_reply->result, DID_OK);
1507
1508         return 0;
1509
1510 /*
1511  * send back error status
1512  */
1513 done:
1514         bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1515         ql_dbg(ql_dbg_edif, vha, 0x911d,
1516             "%s:status: FAIL, result: 0x%x, bsg ptr done %p\n",
1517             __func__, bsg_reply->result, bsg_job);
1518         bsg_job_done(bsg_job, bsg_reply->result,
1519             bsg_reply->reply_payload_rcv_len);
1520
1521         return 0;
1522 }
1523
1524 static void
1525 qla_enode_free(scsi_qla_host_t *vha, struct enode *node)
1526 {
1527         node->ntype = N_UNDEF;
1528         kfree(node);
1529 }
1530
1531 /**
1532  * qla_enode_init - initialize enode structs & lock
1533  * @vha: host adapter pointer
1534  *
1535  * should only be called when driver attaching
1536  */
1537 void
1538 qla_enode_init(scsi_qla_host_t *vha)
1539 {
1540         struct  qla_hw_data *ha = vha->hw;
1541         char    name[32];
1542
1543         if (vha->pur_cinfo.enode_flags == ENODE_ACTIVE) {
1544                 /* list still active - error */
1545                 ql_dbg(ql_dbg_edif, vha, 0x09102, "%s enode still active\n",
1546                     __func__);
1547                 return;
1548         }
1549
1550         /* initialize lock which protects pur_core & init list */
1551         spin_lock_init(&vha->pur_cinfo.pur_lock);
1552         INIT_LIST_HEAD(&vha->pur_cinfo.head);
1553
1554         snprintf(name, sizeof(name), "%s_%d_purex", QLA2XXX_DRIVER_NAME,
1555             ha->pdev->device);
1556 }
1557
1558 /**
1559  * qla_enode_stop - stop and clear and enode data
1560  * @vha: host adapter pointer
1561  *
1562  * called when app notified it is exiting
1563  */
1564 void
1565 qla_enode_stop(scsi_qla_host_t *vha)
1566 {
1567         unsigned long flags;
1568         struct enode *node, *q;
1569
1570         if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) {
1571                 /* doorbell list not enabled */
1572                 ql_dbg(ql_dbg_edif, vha, 0x09102,
1573                     "%s enode not active\n", __func__);
1574                 return;
1575         }
1576
1577         /* grab lock so list doesn't move */
1578         spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags);
1579
1580         vha->pur_cinfo.enode_flags &= ~ENODE_ACTIVE; /* mark it not active */
1581
1582         /* hopefully this is a null list at this point */
1583         list_for_each_entry_safe(node, q, &vha->pur_cinfo.head, list) {
1584                 ql_dbg(ql_dbg_edif, vha, 0x910f,
1585                     "%s freeing enode type=%x, cnt=%x\n", __func__, node->ntype,
1586                     node->dinfo.nodecnt);
1587                 list_del_init(&node->list);
1588                 qla_enode_free(vha, node);
1589         }
1590         spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags);
1591 }
1592
1593 static void qla_enode_clear(scsi_qla_host_t *vha, port_id_t portid)
1594 {
1595         unsigned    long flags;
1596         struct enode    *e, *tmp;
1597         struct purexevent   *purex;
1598         LIST_HEAD(enode_list);
1599
1600         if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) {
1601                 ql_dbg(ql_dbg_edif, vha, 0x09102,
1602                        "%s enode not active\n", __func__);
1603                 return;
1604         }
1605         spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags);
1606         list_for_each_entry_safe(e, tmp, &vha->pur_cinfo.head, list) {
1607                 purex = &e->u.purexinfo;
1608                 if (purex->pur_info.pur_sid.b24 == portid.b24) {
1609                         ql_dbg(ql_dbg_edif, vha, 0x911d,
1610                             "%s free ELS sid=%06x. xchg %x, nb=%xh\n",
1611                             __func__, portid.b24,
1612                             purex->pur_info.pur_rx_xchg_address,
1613                             purex->pur_info.pur_bytes_rcvd);
1614
1615                         list_del_init(&e->list);
1616                         list_add_tail(&e->list, &enode_list);
1617                 }
1618         }
1619         spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags);
1620
1621         list_for_each_entry_safe(e, tmp, &enode_list, list) {
1622                 list_del_init(&e->list);
1623                 qla_enode_free(vha, e);
1624         }
1625 }
1626
1627 /*
1628  *  allocate enode struct and populate buffer
1629  *  returns: enode pointer with buffers
1630  *           NULL on error
1631  */
1632 static struct enode *
1633 qla_enode_alloc(scsi_qla_host_t *vha, uint32_t ntype)
1634 {
1635         struct enode            *node;
1636         struct purexevent       *purex;
1637
1638         node = kzalloc(RX_ELS_SIZE, GFP_ATOMIC);
1639         if (!node)
1640                 return NULL;
1641
1642         purex = &node->u.purexinfo;
1643         purex->msgp = (u8 *)(node + 1);
1644         purex->msgp_len = ELS_MAX_PAYLOAD;
1645
1646         node->ntype = ntype;
1647         INIT_LIST_HEAD(&node->list);
1648         return node;
1649 }
1650
1651 static void
1652 qla_enode_add(scsi_qla_host_t *vha, struct enode *ptr)
1653 {
1654         unsigned long flags;
1655
1656         ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x9109,
1657             "%s add enode for type=%x, cnt=%x\n",
1658             __func__, ptr->ntype, ptr->dinfo.nodecnt);
1659
1660         spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags);
1661         list_add_tail(&ptr->list, &vha->pur_cinfo.head);
1662         spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags);
1663
1664         return;
1665 }
1666
1667 static struct enode *
1668 qla_enode_find(scsi_qla_host_t *vha, uint32_t ntype, uint32_t p1, uint32_t p2)
1669 {
1670         struct enode            *node_rtn = NULL;
1671         struct enode            *list_node, *q;
1672         unsigned long           flags;
1673         uint32_t                sid;
1674         struct purexevent       *purex;
1675
1676         /* secure the list from moving under us */
1677         spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags);
1678
1679         list_for_each_entry_safe(list_node, q, &vha->pur_cinfo.head, list) {
1680
1681                 /* node type determines what p1 and p2 are */
1682                 purex = &list_node->u.purexinfo;
1683                 sid = p1;
1684
1685                 if (purex->pur_info.pur_sid.b24 == sid) {
1686                         /* found it and its complete */
1687                         node_rtn = list_node;
1688                         list_del(&list_node->list);
1689                         break;
1690                 }
1691         }
1692
1693         spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags);
1694
1695         return node_rtn;
1696 }
1697
1698 /**
1699  * qla_pur_get_pending - read/return authentication message sent
1700  *  from remote port
1701  * @vha: host adapter pointer
1702  * @fcport: session pointer
1703  * @bsg_job: user request where the message is copy to.
1704  */
1705 static int
1706 qla_pur_get_pending(scsi_qla_host_t *vha, fc_port_t *fcport,
1707         struct bsg_job *bsg_job)
1708 {
1709         struct enode            *ptr;
1710         struct purexevent       *purex;
1711         struct qla_bsg_auth_els_reply *rpl =
1712             (struct qla_bsg_auth_els_reply *)bsg_job->reply;
1713
1714         bsg_job->reply_len = sizeof(*rpl);
1715
1716         ptr = qla_enode_find(vha, N_PUREX, fcport->d_id.b24, PUR_GET);
1717         if (!ptr) {
1718                 ql_dbg(ql_dbg_edif, vha, 0x9111,
1719                     "%s no enode data found for %8phN sid=%06x\n",
1720                     __func__, fcport->port_name, fcport->d_id.b24);
1721                 SET_DID_STATUS(rpl->r.result, DID_IMM_RETRY);
1722                 return -EIO;
1723         }
1724
1725         /*
1726          * enode is now off the linked list and is ours to deal with
1727          */
1728         purex = &ptr->u.purexinfo;
1729
1730         /* Copy info back to caller */
1731         rpl->rx_xchg_address = purex->pur_info.pur_rx_xchg_address;
1732
1733         SET_DID_STATUS(rpl->r.result, DID_OK);
1734         rpl->r.reply_payload_rcv_len =
1735             sg_pcopy_from_buffer(bsg_job->reply_payload.sg_list,
1736                 bsg_job->reply_payload.sg_cnt, purex->msgp,
1737                 purex->pur_info.pur_bytes_rcvd, 0);
1738
1739         /* data copy / passback completed - destroy enode */
1740         qla_enode_free(vha, ptr);
1741
1742         return 0;
1743 }
1744
1745 /* it is assume qpair lock is held */
1746 static int
1747 qla_els_reject_iocb(scsi_qla_host_t *vha, struct qla_qpair *qp,
1748         struct qla_els_pt_arg *a)
1749 {
1750         struct els_entry_24xx *els_iocb;
1751
1752         els_iocb = __qla2x00_alloc_iocbs(qp, NULL);
1753         if (!els_iocb) {
1754                 ql_log(ql_log_warn, vha, 0x700c,
1755                     "qla2x00_alloc_iocbs failed.\n");
1756                 return QLA_FUNCTION_FAILED;
1757         }
1758
1759         qla_els_pt_iocb(vha, els_iocb, a);
1760
1761         ql_dbg(ql_dbg_edif, vha, 0x0183,
1762             "Sending ELS reject ox_id %04x s:%06x -> d:%06x\n",
1763             a->ox_id, a->sid.b24, a->did.b24);
1764         ql_dump_buffer(ql_dbg_edif + ql_dbg_verbose, vha, 0x0185,
1765             vha->hw->elsrej.c, sizeof(*vha->hw->elsrej.c));
1766         /* flush iocb to mem before notifying hw doorbell */
1767         wmb();
1768         qla2x00_start_iocbs(vha, qp->req);
1769         return 0;
1770 }
1771
1772 void
1773 qla_edb_init(scsi_qla_host_t *vha)
1774 {
1775         if (DBELL_ACTIVE(vha)) {
1776                 /* list already init'd - error */
1777                 ql_dbg(ql_dbg_edif, vha, 0x09102,
1778                     "edif db already initialized, cannot reinit\n");
1779                 return;
1780         }
1781
1782         /* initialize lock which protects doorbell & init list */
1783         spin_lock_init(&vha->e_dbell.db_lock);
1784         INIT_LIST_HEAD(&vha->e_dbell.head);
1785
1786         /* create and initialize doorbell */
1787         init_completion(&vha->e_dbell.dbell);
1788 }
1789
1790 static void
1791 qla_edb_node_free(scsi_qla_host_t *vha, struct edb_node *node)
1792 {
1793         /*
1794          * releases the space held by this edb node entry
1795          * this function does _not_ free the edb node itself
1796          * NB: the edb node entry passed should not be on any list
1797          *
1798          * currently for doorbell there's no additional cleanup
1799          * needed, but here as a placeholder for furture use.
1800          */
1801
1802         if (!node) {
1803                 ql_dbg(ql_dbg_edif, vha, 0x09122,
1804                     "%s error - no valid node passed\n", __func__);
1805                 return;
1806         }
1807
1808         node->ntype = N_UNDEF;
1809 }
1810
1811 static void qla_edb_clear(scsi_qla_host_t *vha, port_id_t portid)
1812 {
1813         unsigned long flags;
1814         struct edb_node *e, *tmp;
1815         port_id_t sid;
1816         LIST_HEAD(edb_list);
1817
1818         if (DBELL_INACTIVE(vha)) {
1819                 /* doorbell list not enabled */
1820                 ql_dbg(ql_dbg_edif, vha, 0x09102,
1821                        "%s doorbell not enabled\n", __func__);
1822                 return;
1823         }
1824
1825         /* grab lock so list doesn't move */
1826         spin_lock_irqsave(&vha->e_dbell.db_lock, flags);
1827         list_for_each_entry_safe(e, tmp, &vha->e_dbell.head, list) {
1828                 switch (e->ntype) {
1829                 case VND_CMD_AUTH_STATE_NEEDED:
1830                 case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN:
1831                         sid = e->u.plogi_did;
1832                         break;
1833                 case VND_CMD_AUTH_STATE_ELS_RCVD:
1834                         sid = e->u.els_sid;
1835                         break;
1836                 case VND_CMD_AUTH_STATE_SAUPDATE_COMPL:
1837                         /* app wants to see this  */
1838                         continue;
1839                 default:
1840                         ql_log(ql_log_warn, vha, 0x09102,
1841                                "%s unknown node type: %x\n", __func__, e->ntype);
1842                         sid.b24 = 0;
1843                         break;
1844                 }
1845                 if (sid.b24 == portid.b24) {
1846                         ql_dbg(ql_dbg_edif, vha, 0x910f,
1847                                "%s free doorbell event : node type = %x %p\n",
1848                                __func__, e->ntype, e);
1849                         list_del_init(&e->list);
1850                         list_add_tail(&e->list, &edb_list);
1851                 }
1852         }
1853         spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
1854
1855         list_for_each_entry_safe(e, tmp, &edb_list, list) {
1856                 qla_edb_node_free(vha, e);
1857                 list_del_init(&e->list);
1858                 kfree(e);
1859         }
1860 }
1861
1862 /* function called when app is stopping */
1863
1864 void
1865 qla_edb_stop(scsi_qla_host_t *vha)
1866 {
1867         unsigned long flags;
1868         struct edb_node *node, *q;
1869
1870         if (DBELL_INACTIVE(vha)) {
1871                 /* doorbell list not enabled */
1872                 ql_dbg(ql_dbg_edif, vha, 0x09102,
1873                     "%s doorbell not enabled\n", __func__);
1874                 return;
1875         }
1876
1877         /* grab lock so list doesn't move */
1878         spin_lock_irqsave(&vha->e_dbell.db_lock, flags);
1879
1880         vha->e_dbell.db_flags &= ~EDB_ACTIVE; /* mark it not active */
1881         /* hopefully this is a null list at this point */
1882         list_for_each_entry_safe(node, q, &vha->e_dbell.head, list) {
1883                 ql_dbg(ql_dbg_edif, vha, 0x910f,
1884                     "%s freeing edb_node type=%x\n",
1885                     __func__, node->ntype);
1886                 qla_edb_node_free(vha, node);
1887                 list_del(&node->list);
1888
1889                 kfree(node);
1890         }
1891         spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
1892
1893         /* wake up doorbell waiters - they'll be dismissed with error code */
1894         complete_all(&vha->e_dbell.dbell);
1895 }
1896
1897 static struct edb_node *
1898 qla_edb_node_alloc(scsi_qla_host_t *vha, uint32_t ntype)
1899 {
1900         struct edb_node *node;
1901
1902         node = kzalloc(sizeof(*node), GFP_ATOMIC);
1903         if (!node) {
1904                 /* couldn't get space */
1905                 ql_dbg(ql_dbg_edif, vha, 0x9100,
1906                     "edb node unable to be allocated\n");
1907                 return NULL;
1908         }
1909
1910         node->ntype = ntype;
1911         INIT_LIST_HEAD(&node->list);
1912         return node;
1913 }
1914
1915 /* adds a already allocated enode to the linked list */
1916 static bool
1917 qla_edb_node_add(scsi_qla_host_t *vha, struct edb_node *ptr)
1918 {
1919         unsigned long           flags;
1920
1921         if (DBELL_INACTIVE(vha)) {
1922                 /* doorbell list not enabled */
1923                 ql_dbg(ql_dbg_edif, vha, 0x09102,
1924                     "%s doorbell not enabled\n", __func__);
1925                 return false;
1926         }
1927
1928         spin_lock_irqsave(&vha->e_dbell.db_lock, flags);
1929         list_add_tail(&ptr->list, &vha->e_dbell.head);
1930         spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
1931
1932         /* ring doorbell for waiters */
1933         complete(&vha->e_dbell.dbell);
1934
1935         return true;
1936 }
1937
1938 /* adds event to doorbell list */
1939 void
1940 qla_edb_eventcreate(scsi_qla_host_t *vha, uint32_t dbtype,
1941         uint32_t data, uint32_t data2, fc_port_t        *sfcport)
1942 {
1943         struct edb_node *edbnode;
1944         fc_port_t *fcport = sfcport;
1945         port_id_t id;
1946
1947         if (!vha->hw->flags.edif_enabled) {
1948                 /* edif not enabled */
1949                 return;
1950         }
1951
1952         if (DBELL_INACTIVE(vha)) {
1953                 if (fcport)
1954                         fcport->edif.auth_state = dbtype;
1955                 /* doorbell list not enabled */
1956                 ql_dbg(ql_dbg_edif, vha, 0x09102,
1957                     "%s doorbell not enabled (type=%d\n", __func__, dbtype);
1958                 return;
1959         }
1960
1961         edbnode = qla_edb_node_alloc(vha, dbtype);
1962         if (!edbnode) {
1963                 ql_dbg(ql_dbg_edif, vha, 0x09102,
1964                     "%s unable to alloc db node\n", __func__);
1965                 return;
1966         }
1967
1968         if (!fcport) {
1969                 id.b.domain = (data >> 16) & 0xff;
1970                 id.b.area = (data >> 8) & 0xff;
1971                 id.b.al_pa = data & 0xff;
1972                 ql_dbg(ql_dbg_edif, vha, 0x09222,
1973                     "%s: Arrived s_id: %06x\n", __func__,
1974                     id.b24);
1975                 fcport = qla2x00_find_fcport_by_pid(vha, &id);
1976                 if (!fcport) {
1977                         ql_dbg(ql_dbg_edif, vha, 0x09102,
1978                             "%s can't find fcport for sid= 0x%x - ignoring\n",
1979                         __func__, id.b24);
1980                         kfree(edbnode);
1981                         return;
1982                 }
1983         }
1984
1985         /* populate the edb node */
1986         switch (dbtype) {
1987         case VND_CMD_AUTH_STATE_NEEDED:
1988         case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN:
1989                 edbnode->u.plogi_did.b24 = fcport->d_id.b24;
1990                 break;
1991         case VND_CMD_AUTH_STATE_ELS_RCVD:
1992                 edbnode->u.els_sid.b24 = fcport->d_id.b24;
1993                 break;
1994         case VND_CMD_AUTH_STATE_SAUPDATE_COMPL:
1995                 edbnode->u.sa_aen.port_id = fcport->d_id;
1996                 edbnode->u.sa_aen.status =  data;
1997                 edbnode->u.sa_aen.key_type =  data2;
1998                 break;
1999         default:
2000                 ql_dbg(ql_dbg_edif, vha, 0x09102,
2001                         "%s unknown type: %x\n", __func__, dbtype);
2002                 qla_edb_node_free(vha, edbnode);
2003                 kfree(edbnode);
2004                 edbnode = NULL;
2005                 break;
2006         }
2007
2008         if (edbnode && (!qla_edb_node_add(vha, edbnode))) {
2009                 ql_dbg(ql_dbg_edif, vha, 0x09102,
2010                     "%s unable to add dbnode\n", __func__);
2011                 qla_edb_node_free(vha, edbnode);
2012                 kfree(edbnode);
2013                 return;
2014         }
2015         if (edbnode && fcport)
2016                 fcport->edif.auth_state = dbtype;
2017         ql_dbg(ql_dbg_edif, vha, 0x09102,
2018             "%s Doorbell produced : type=%d %p\n", __func__, dbtype, edbnode);
2019 }
2020
2021 static struct edb_node *
2022 qla_edb_getnext(scsi_qla_host_t *vha)
2023 {
2024         unsigned long   flags;
2025         struct edb_node *edbnode = NULL;
2026
2027         spin_lock_irqsave(&vha->e_dbell.db_lock, flags);
2028
2029         /* db nodes are fifo - no qualifications done */
2030         if (!list_empty(&vha->e_dbell.head)) {
2031                 edbnode = list_first_entry(&vha->e_dbell.head,
2032                     struct edb_node, list);
2033                 list_del(&edbnode->list);
2034         }
2035
2036         spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags);
2037
2038         return edbnode;
2039 }
2040
2041 void
2042 qla_edif_timer(scsi_qla_host_t *vha)
2043 {
2044         struct qla_hw_data *ha = vha->hw;
2045
2046         if (!vha->vp_idx && N2N_TOPO(ha) && ha->flags.n2n_fw_acc_sec) {
2047                 if (DBELL_INACTIVE(vha) &&
2048                     ha->edif_post_stop_cnt_down) {
2049                         ha->edif_post_stop_cnt_down--;
2050
2051                         /*
2052                          * turn off auto 'Plogi Acc + secure=1' feature
2053                          * Set Add FW option[3]
2054                          * BIT_15, if.
2055                          */
2056                         if (ha->edif_post_stop_cnt_down == 0) {
2057                                 ql_dbg(ql_dbg_async, vha, 0x911d,
2058                                        "%s chip reset to turn off PLOGI ACC + secure\n",
2059                                        __func__);
2060                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2061                         }
2062                 } else {
2063                         ha->edif_post_stop_cnt_down = 60;
2064                 }
2065         }
2066 }
2067
2068 /*
2069  * app uses separate thread to read this. It'll wait until the doorbell
2070  * is rung by the driver or the max wait time has expired
2071  */
2072 ssize_t
2073 edif_doorbell_show(struct device *dev, struct device_attribute *attr,
2074                 char *buf)
2075 {
2076         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2077         struct edb_node *dbnode = NULL;
2078         struct edif_app_dbell *ap = (struct edif_app_dbell *)buf;
2079         uint32_t dat_siz, buf_size, sz;
2080
2081         /* TODO: app currently hardcoded to 256. Will transition to bsg */
2082         sz = 256;
2083
2084         /* stop new threads from waiting if we're not init'd */
2085         if (DBELL_INACTIVE(vha)) {
2086                 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x09122,
2087                     "%s error - edif db not enabled\n", __func__);
2088                 return 0;
2089         }
2090
2091         if (!vha->hw->flags.edif_enabled) {
2092                 /* edif not enabled */
2093                 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x09122,
2094                     "%s error - edif not enabled\n", __func__);
2095                 return -1;
2096         }
2097
2098         buf_size = 0;
2099         while ((sz - buf_size) >= sizeof(struct edb_node)) {
2100                 /* remove the next item from the doorbell list */
2101                 dat_siz = 0;
2102                 dbnode = qla_edb_getnext(vha);
2103                 if (dbnode) {
2104                         ap->event_code = dbnode->ntype;
2105                         switch (dbnode->ntype) {
2106                         case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN:
2107                         case VND_CMD_AUTH_STATE_NEEDED:
2108                                 ap->port_id = dbnode->u.plogi_did;
2109                                 dat_siz += sizeof(ap->port_id);
2110                                 break;
2111                         case VND_CMD_AUTH_STATE_ELS_RCVD:
2112                                 ap->port_id = dbnode->u.els_sid;
2113                                 dat_siz += sizeof(ap->port_id);
2114                                 break;
2115                         case VND_CMD_AUTH_STATE_SAUPDATE_COMPL:
2116                                 ap->port_id = dbnode->u.sa_aen.port_id;
2117                                 memcpy(ap->event_data, &dbnode->u,
2118                                                 sizeof(struct edif_sa_update_aen));
2119                                 dat_siz += sizeof(struct edif_sa_update_aen);
2120                                 break;
2121                         default:
2122                                 /* unknown node type, rtn unknown ntype */
2123                                 ap->event_code = VND_CMD_AUTH_STATE_UNDEF;
2124                                 memcpy(ap->event_data, &dbnode->ntype, 4);
2125                                 dat_siz += 4;
2126                                 break;
2127                         }
2128
2129                         ql_dbg(ql_dbg_edif, vha, 0x09102,
2130                                 "%s Doorbell consumed : type=%d %p\n",
2131                                 __func__, dbnode->ntype, dbnode);
2132                         /* we're done with the db node, so free it up */
2133                         qla_edb_node_free(vha, dbnode);
2134                         kfree(dbnode);
2135                 } else {
2136                         break;
2137                 }
2138
2139                 ap->event_data_size = dat_siz;
2140                 /* 8bytes = ap->event_code + ap->event_data_size */
2141                 buf_size += dat_siz + 8;
2142                 ap = (struct edif_app_dbell *)(buf + buf_size);
2143         }
2144         return buf_size;
2145 }
2146
2147 static void qla_noop_sp_done(srb_t *sp, int res)
2148 {
2149         sp->free(sp);
2150 }
2151
2152 /*
2153  * Called from work queue
2154  * build and send the sa_update iocb to delete an rx sa_index
2155  */
2156 int
2157 qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e)
2158 {
2159         srb_t *sp;
2160         fc_port_t       *fcport = NULL;
2161         struct srb_iocb *iocb_cmd = NULL;
2162         int rval = QLA_SUCCESS;
2163         struct  edif_sa_ctl *sa_ctl = e->u.sa_update.sa_ctl;
2164         uint16_t nport_handle = e->u.sa_update.nport_handle;
2165
2166         ql_dbg(ql_dbg_edif, vha, 0x70e6,
2167             "%s: starting,  sa_ctl: %p\n", __func__, sa_ctl);
2168
2169         if (!sa_ctl) {
2170                 ql_dbg(ql_dbg_edif, vha, 0x70e6,
2171                     "sa_ctl allocation failed\n");
2172                 return -ENOMEM;
2173         }
2174
2175         fcport = sa_ctl->fcport;
2176
2177         /* Alloc SRB structure */
2178         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2179         if (!sp) {
2180                 ql_dbg(ql_dbg_edif, vha, 0x70e6,
2181                  "SRB allocation failed\n");
2182                 return -ENOMEM;
2183         }
2184
2185         fcport->flags |= FCF_ASYNC_SENT;
2186         iocb_cmd = &sp->u.iocb_cmd;
2187         iocb_cmd->u.sa_update.sa_ctl = sa_ctl;
2188
2189         ql_dbg(ql_dbg_edif, vha, 0x3073,
2190             "Enter: SA REPL portid=%06x, sa_ctl %p, index %x, nport_handle: 0x%x\n",
2191             fcport->d_id.b24, sa_ctl, sa_ctl->index, nport_handle);
2192         /*
2193          * if this is a sadb cleanup delete, mark it so the isr can
2194          * take the correct action
2195          */
2196         if (sa_ctl->flags & EDIF_SA_CTL_FLG_CLEANUP_DEL) {
2197                 /* mark this srb as a cleanup delete */
2198                 sp->flags |= SRB_EDIF_CLEANUP_DELETE;
2199                 ql_dbg(ql_dbg_edif, vha, 0x70e6,
2200                     "%s: sp 0x%p flagged as cleanup delete\n", __func__, sp);
2201         }
2202
2203         sp->type = SRB_SA_REPLACE;
2204         sp->name = "SA_REPLACE";
2205         sp->fcport = fcport;
2206         sp->free = qla2x00_rel_sp;
2207         sp->done = qla_noop_sp_done;
2208
2209         rval = qla2x00_start_sp(sp);
2210
2211         if (rval != QLA_SUCCESS)
2212                 rval = QLA_FUNCTION_FAILED;
2213
2214         return rval;
2215 }
2216
2217 void qla24xx_sa_update_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb)
2218 {
2219         int     itr = 0;
2220         struct  scsi_qla_host           *vha = sp->vha;
2221         struct  qla_sa_update_frame     *sa_frame =
2222                 &sp->u.iocb_cmd.u.sa_update.sa_frame;
2223         u8 flags = 0;
2224
2225         switch (sa_frame->flags & (SAU_FLG_INV | SAU_FLG_TX)) {
2226         case 0:
2227                 ql_dbg(ql_dbg_edif, vha, 0x911d,
2228                     "%s: EDIF SA UPDATE RX IOCB  vha: 0x%p  index: %d\n",
2229                     __func__, vha, sa_frame->fast_sa_index);
2230                 break;
2231         case 1:
2232                 ql_dbg(ql_dbg_edif, vha, 0x911d,
2233                     "%s: EDIF SA DELETE RX IOCB  vha: 0x%p  index: %d\n",
2234                     __func__, vha, sa_frame->fast_sa_index);
2235                 flags |= SA_FLAG_INVALIDATE;
2236                 break;
2237         case 2:
2238                 ql_dbg(ql_dbg_edif, vha, 0x911d,
2239                     "%s: EDIF SA UPDATE TX IOCB  vha: 0x%p  index: %d\n",
2240                     __func__, vha, sa_frame->fast_sa_index);
2241                 flags |= SA_FLAG_TX;
2242                 break;
2243         case 3:
2244                 ql_dbg(ql_dbg_edif, vha, 0x911d,
2245                     "%s: EDIF SA DELETE TX IOCB  vha: 0x%p  index: %d\n",
2246                     __func__, vha, sa_frame->fast_sa_index);
2247                 flags |= SA_FLAG_TX | SA_FLAG_INVALIDATE;
2248                 break;
2249         }
2250
2251         sa_update_iocb->entry_type = SA_UPDATE_IOCB_TYPE;
2252         sa_update_iocb->entry_count = 1;
2253         sa_update_iocb->sys_define = 0;
2254         sa_update_iocb->entry_status = 0;
2255         sa_update_iocb->handle = sp->handle;
2256         sa_update_iocb->u.nport_handle = cpu_to_le16(sp->fcport->loop_id);
2257         sa_update_iocb->vp_index = sp->fcport->vha->vp_idx;
2258         sa_update_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
2259         sa_update_iocb->port_id[1] = sp->fcport->d_id.b.area;
2260         sa_update_iocb->port_id[2] = sp->fcport->d_id.b.domain;
2261
2262         sa_update_iocb->flags = flags;
2263         sa_update_iocb->salt = cpu_to_le32(sa_frame->salt);
2264         sa_update_iocb->spi = cpu_to_le32(sa_frame->spi);
2265         sa_update_iocb->sa_index = cpu_to_le16(sa_frame->fast_sa_index);
2266
2267         sa_update_iocb->sa_control |= SA_CNTL_ENC_FCSP;
2268         if (sp->fcport->edif.aes_gmac)
2269                 sa_update_iocb->sa_control |= SA_CNTL_AES_GMAC;
2270
2271         if (sa_frame->flags & SAU_FLG_KEY256) {
2272                 sa_update_iocb->sa_control |= SA_CNTL_KEY256;
2273                 for (itr = 0; itr < 32; itr++)
2274                         sa_update_iocb->sa_key[itr] = sa_frame->sa_key[itr];
2275         } else {
2276                 sa_update_iocb->sa_control |= SA_CNTL_KEY128;
2277                 for (itr = 0; itr < 16; itr++)
2278                         sa_update_iocb->sa_key[itr] = sa_frame->sa_key[itr];
2279         }
2280
2281         ql_dbg(ql_dbg_edif, vha, 0x921d,
2282             "%s SAU Port ID = %02x%02x%02x, flags=%xh, index=%u, ctl=%xh, SPI 0x%x flags 0x%x hdl=%x gmac %d\n",
2283             __func__, sa_update_iocb->port_id[2], sa_update_iocb->port_id[1],
2284             sa_update_iocb->port_id[0], sa_update_iocb->flags, sa_update_iocb->sa_index,
2285             sa_update_iocb->sa_control, sa_update_iocb->spi, sa_frame->flags, sp->handle,
2286             sp->fcport->edif.aes_gmac);
2287
2288         if (sa_frame->flags & SAU_FLG_TX)
2289                 sp->fcport->edif.tx_sa_pending = 1;
2290         else
2291                 sp->fcport->edif.rx_sa_pending = 1;
2292
2293         sp->fcport->vha->qla_stats.control_requests++;
2294 }
2295
2296 void
2297 qla24xx_sa_replace_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb)
2298 {
2299         struct  scsi_qla_host           *vha = sp->vha;
2300         struct srb_iocb *srb_iocb = &sp->u.iocb_cmd;
2301         struct  edif_sa_ctl             *sa_ctl = srb_iocb->u.sa_update.sa_ctl;
2302         uint16_t nport_handle = sp->fcport->loop_id;
2303
2304         sa_update_iocb->entry_type = SA_UPDATE_IOCB_TYPE;
2305         sa_update_iocb->entry_count = 1;
2306         sa_update_iocb->sys_define = 0;
2307         sa_update_iocb->entry_status = 0;
2308         sa_update_iocb->handle = sp->handle;
2309
2310         sa_update_iocb->u.nport_handle = cpu_to_le16(nport_handle);
2311
2312         sa_update_iocb->vp_index = sp->fcport->vha->vp_idx;
2313         sa_update_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
2314         sa_update_iocb->port_id[1] = sp->fcport->d_id.b.area;
2315         sa_update_iocb->port_id[2] = sp->fcport->d_id.b.domain;
2316
2317         /* Invalidate the index. salt, spi, control & key are ignore */
2318         sa_update_iocb->flags = SA_FLAG_INVALIDATE;
2319         sa_update_iocb->salt = 0;
2320         sa_update_iocb->spi = 0;
2321         sa_update_iocb->sa_index = cpu_to_le16(sa_ctl->index);
2322         sa_update_iocb->sa_control = 0;
2323
2324         ql_dbg(ql_dbg_edif, vha, 0x921d,
2325             "%s SAU DELETE RX Port ID = %02x:%02x:%02x, lid %d flags=%xh, index=%u, hdl=%x\n",
2326             __func__, sa_update_iocb->port_id[2], sa_update_iocb->port_id[1],
2327             sa_update_iocb->port_id[0], nport_handle, sa_update_iocb->flags,
2328             sa_update_iocb->sa_index, sp->handle);
2329
2330         sp->fcport->vha->qla_stats.control_requests++;
2331 }
2332
2333 void qla24xx_auth_els(scsi_qla_host_t *vha, void **pkt, struct rsp_que **rsp)
2334 {
2335         struct purex_entry_24xx *p = *pkt;
2336         struct enode            *ptr;
2337         int             sid;
2338         u16 totlen;
2339         struct purexevent       *purex;
2340         struct scsi_qla_host *host = NULL;
2341         int rc;
2342         struct fc_port *fcport;
2343         struct qla_els_pt_arg a;
2344         be_id_t beid;
2345
2346         memset(&a, 0, sizeof(a));
2347
2348         a.els_opcode = ELS_AUTH_ELS;
2349         a.nport_handle = p->nport_handle;
2350         a.rx_xchg_address = p->rx_xchg_addr;
2351         a.did.b.domain = p->s_id[2];
2352         a.did.b.area   = p->s_id[1];
2353         a.did.b.al_pa  = p->s_id[0];
2354         a.tx_byte_count = a.tx_len = sizeof(struct fc_els_ls_rjt);
2355         a.tx_addr = vha->hw->elsrej.cdma;
2356         a.vp_idx = vha->vp_idx;
2357         a.control_flags = EPD_ELS_RJT;
2358         a.ox_id = le16_to_cpu(p->ox_id);
2359
2360         sid = p->s_id[0] | (p->s_id[1] << 8) | (p->s_id[2] << 16);
2361
2362         totlen = (le16_to_cpu(p->frame_size) & 0x0fff) - PURX_ELS_HEADER_SIZE;
2363         if (le16_to_cpu(p->status_flags) & 0x8000) {
2364                 totlen = le16_to_cpu(p->trunc_frame_size);
2365                 qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
2366                 __qla_consume_iocb(vha, pkt, rsp);
2367                 return;
2368         }
2369
2370         if (totlen > ELS_MAX_PAYLOAD) {
2371                 ql_dbg(ql_dbg_edif, vha, 0x0910d,
2372                     "%s WARNING: verbose ELS frame received (totlen=%x)\n",
2373                     __func__, totlen);
2374                 qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
2375                 __qla_consume_iocb(vha, pkt, rsp);
2376                 return;
2377         }
2378
2379         if (!vha->hw->flags.edif_enabled) {
2380                 /* edif support not enabled */
2381                 ql_dbg(ql_dbg_edif, vha, 0x910e, "%s edif not enabled\n",
2382                     __func__);
2383                 qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
2384                 __qla_consume_iocb(vha, pkt, rsp);
2385                 return;
2386         }
2387
2388         ptr = qla_enode_alloc(vha, N_PUREX);
2389         if (!ptr) {
2390                 ql_dbg(ql_dbg_edif, vha, 0x09109,
2391                     "WARNING: enode alloc failed for sid=%x\n",
2392                     sid);
2393                 qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
2394                 __qla_consume_iocb(vha, pkt, rsp);
2395                 return;
2396         }
2397
2398         purex = &ptr->u.purexinfo;
2399         purex->pur_info.pur_sid = a.did;
2400         purex->pur_info.pur_bytes_rcvd = totlen;
2401         purex->pur_info.pur_rx_xchg_address = le32_to_cpu(p->rx_xchg_addr);
2402         purex->pur_info.pur_nphdl = le16_to_cpu(p->nport_handle);
2403         purex->pur_info.pur_did.b.domain =  p->d_id[2];
2404         purex->pur_info.pur_did.b.area =  p->d_id[1];
2405         purex->pur_info.pur_did.b.al_pa =  p->d_id[0];
2406         purex->pur_info.vp_idx = p->vp_idx;
2407
2408         a.sid = purex->pur_info.pur_did;
2409
2410         rc = __qla_copy_purex_to_buffer(vha, pkt, rsp, purex->msgp,
2411                 purex->msgp_len);
2412         if (rc) {
2413                 qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
2414                 qla_enode_free(vha, ptr);
2415                 return;
2416         }
2417         beid.al_pa = purex->pur_info.pur_did.b.al_pa;
2418         beid.area   = purex->pur_info.pur_did.b.area;
2419         beid.domain = purex->pur_info.pur_did.b.domain;
2420         host = qla_find_host_by_d_id(vha, beid);
2421         if (!host) {
2422                 ql_log(ql_log_fatal, vha, 0x508b,
2423                     "%s Drop ELS due to unable to find host %06x\n",
2424                     __func__, purex->pur_info.pur_did.b24);
2425
2426                 qla_els_reject_iocb(vha, (*rsp)->qpair, &a);
2427                 qla_enode_free(vha, ptr);
2428                 return;
2429         }
2430
2431         fcport = qla2x00_find_fcport_by_pid(host, &purex->pur_info.pur_sid);
2432
2433         if (DBELL_INACTIVE(vha) ||
2434             (fcport && EDIF_SESSION_DOWN(fcport))) {
2435                 ql_dbg(ql_dbg_edif, host, 0x0910c, "%s e_dbell.db_flags =%x %06x\n",
2436                     __func__, host->e_dbell.db_flags,
2437                     fcport ? fcport->d_id.b24 : 0);
2438
2439                 qla_els_reject_iocb(host, (*rsp)->qpair, &a);
2440                 qla_enode_free(host, ptr);
2441                 return;
2442         }
2443
2444         /* add the local enode to the list */
2445         qla_enode_add(host, ptr);
2446
2447         ql_dbg(ql_dbg_edif, host, 0x0910c,
2448             "%s COMPLETE purex->pur_info.pur_bytes_rcvd =%xh s:%06x -> d:%06x xchg=%xh\n",
2449             __func__, purex->pur_info.pur_bytes_rcvd, purex->pur_info.pur_sid.b24,
2450             purex->pur_info.pur_did.b24, purex->pur_info.pur_rx_xchg_address);
2451
2452         qla_edb_eventcreate(host, VND_CMD_AUTH_STATE_ELS_RCVD, sid, 0, NULL);
2453 }
2454
2455 static uint16_t  qla_edif_get_sa_index_from_freepool(fc_port_t *fcport, int dir)
2456 {
2457         struct scsi_qla_host *vha = fcport->vha;
2458         struct qla_hw_data *ha = vha->hw;
2459         void *sa_id_map;
2460         unsigned long flags = 0;
2461         u16 sa_index;
2462
2463         ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063,
2464             "%s: entry\n", __func__);
2465
2466         if (dir)
2467                 sa_id_map = ha->edif_tx_sa_id_map;
2468         else
2469                 sa_id_map = ha->edif_rx_sa_id_map;
2470
2471         spin_lock_irqsave(&ha->sadb_fp_lock, flags);
2472         sa_index = find_first_zero_bit(sa_id_map, EDIF_NUM_SA_INDEX);
2473         if (sa_index >=  EDIF_NUM_SA_INDEX) {
2474                 spin_unlock_irqrestore(&ha->sadb_fp_lock, flags);
2475                 return INVALID_EDIF_SA_INDEX;
2476         }
2477         set_bit(sa_index, sa_id_map);
2478         spin_unlock_irqrestore(&ha->sadb_fp_lock, flags);
2479
2480         if (dir)
2481                 sa_index += EDIF_TX_SA_INDEX_BASE;
2482
2483         ql_dbg(ql_dbg_edif, vha, 0x3063,
2484             "%s: index retrieved from free pool %d\n", __func__, sa_index);
2485
2486         return sa_index;
2487 }
2488
2489 /* find an sadb entry for an nport_handle */
2490 static struct edif_sa_index_entry *
2491 qla_edif_sadb_find_sa_index_entry(uint16_t nport_handle,
2492                 struct list_head *sa_list)
2493 {
2494         struct edif_sa_index_entry *entry;
2495         struct edif_sa_index_entry *tentry;
2496         struct list_head *indx_list = sa_list;
2497
2498         list_for_each_entry_safe(entry, tentry, indx_list, next) {
2499                 if (entry->handle == nport_handle)
2500                         return entry;
2501         }
2502         return NULL;
2503 }
2504
2505 /* remove an sa_index from the nport_handle and return it to the free pool */
2506 static int qla_edif_sadb_delete_sa_index(fc_port_t *fcport, uint16_t nport_handle,
2507                 uint16_t sa_index)
2508 {
2509         struct edif_sa_index_entry *entry;
2510         struct list_head *sa_list;
2511         int dir = (sa_index < EDIF_TX_SA_INDEX_BASE) ? 0 : 1;
2512         int slot = 0;
2513         int free_slot_count = 0;
2514         scsi_qla_host_t *vha = fcport->vha;
2515         struct qla_hw_data *ha = vha->hw;
2516         unsigned long flags = 0;
2517
2518         ql_dbg(ql_dbg_edif, vha, 0x3063,
2519             "%s: entry\n", __func__);
2520
2521         if (dir)
2522                 sa_list = &ha->sadb_tx_index_list;
2523         else
2524                 sa_list = &ha->sadb_rx_index_list;
2525
2526         entry = qla_edif_sadb_find_sa_index_entry(nport_handle, sa_list);
2527         if (!entry) {
2528                 ql_dbg(ql_dbg_edif, vha, 0x3063,
2529                     "%s: no entry found for nport_handle 0x%x\n",
2530                     __func__, nport_handle);
2531                 return -1;
2532         }
2533
2534         spin_lock_irqsave(&ha->sadb_lock, flags);
2535         /*
2536          * each tx/rx direction has up to 2 sa indexes/slots. 1 slot for in flight traffic
2537          * the other is use at re-key time.
2538          */
2539         for (slot = 0; slot < 2; slot++) {
2540                 if (entry->sa_pair[slot].sa_index == sa_index) {
2541                         entry->sa_pair[slot].sa_index = INVALID_EDIF_SA_INDEX;
2542                         entry->sa_pair[slot].spi = 0;
2543                         free_slot_count++;
2544                         qla_edif_add_sa_index_to_freepool(fcport, dir, sa_index);
2545                 } else if (entry->sa_pair[slot].sa_index == INVALID_EDIF_SA_INDEX) {
2546                         free_slot_count++;
2547                 }
2548         }
2549
2550         if (free_slot_count == 2) {
2551                 list_del(&entry->next);
2552                 kfree(entry);
2553         }
2554         spin_unlock_irqrestore(&ha->sadb_lock, flags);
2555
2556         ql_dbg(ql_dbg_edif, vha, 0x3063,
2557             "%s: sa_index %d removed, free_slot_count: %d\n",
2558             __func__, sa_index, free_slot_count);
2559
2560         return 0;
2561 }
2562
2563 void
2564 qla28xx_sa_update_iocb_entry(scsi_qla_host_t *v, struct req_que *req,
2565         struct sa_update_28xx *pkt)
2566 {
2567         const char *func = "SA_UPDATE_RESPONSE_IOCB";
2568         srb_t *sp;
2569         struct edif_sa_ctl *sa_ctl;
2570         int old_sa_deleted = 1;
2571         uint16_t nport_handle;
2572         struct scsi_qla_host *vha;
2573
2574         sp = qla2x00_get_sp_from_handle(v, func, req, pkt);
2575
2576         if (!sp) {
2577                 ql_dbg(ql_dbg_edif, v, 0x3063,
2578                         "%s: no sp found for pkt\n", __func__);
2579                 return;
2580         }
2581         /* use sp->vha due to npiv */
2582         vha = sp->vha;
2583
2584         switch (pkt->flags & (SA_FLAG_INVALIDATE | SA_FLAG_TX)) {
2585         case 0:
2586                 ql_dbg(ql_dbg_edif, vha, 0x3063,
2587                     "%s: EDIF SA UPDATE RX IOCB  vha: 0x%p  index: %d\n",
2588                     __func__, vha, pkt->sa_index);
2589                 break;
2590         case 1:
2591                 ql_dbg(ql_dbg_edif, vha, 0x3063,
2592                     "%s: EDIF SA DELETE RX IOCB  vha: 0x%p  index: %d\n",
2593                     __func__, vha, pkt->sa_index);
2594                 break;
2595         case 2:
2596                 ql_dbg(ql_dbg_edif, vha, 0x3063,
2597                     "%s: EDIF SA UPDATE TX IOCB  vha: 0x%p  index: %d\n",
2598                     __func__, vha, pkt->sa_index);
2599                 break;
2600         case 3:
2601                 ql_dbg(ql_dbg_edif, vha, 0x3063,
2602                     "%s: EDIF SA DELETE TX IOCB  vha: 0x%p  index: %d\n",
2603                     __func__, vha, pkt->sa_index);
2604                 break;
2605         }
2606
2607         /*
2608          * dig the nport handle out of the iocb, fcport->loop_id can not be trusted
2609          * to be correct during cleanup sa_update iocbs.
2610          */
2611         nport_handle = sp->fcport->loop_id;
2612
2613         ql_dbg(ql_dbg_edif, vha, 0x3063,
2614             "%s: %8phN comp status=%x old_sa_info=%x new_sa_info=%x lid %d, index=0x%x pkt_flags %xh hdl=%x\n",
2615             __func__, sp->fcport->port_name, pkt->u.comp_sts, pkt->old_sa_info, pkt->new_sa_info,
2616             nport_handle, pkt->sa_index, pkt->flags, sp->handle);
2617
2618         /* if rx delete, remove the timer */
2619         if ((pkt->flags & (SA_FLAG_INVALIDATE | SA_FLAG_TX)) ==  SA_FLAG_INVALIDATE) {
2620                 struct edif_list_entry *edif_entry;
2621
2622                 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
2623
2624                 edif_entry = qla_edif_list_find_sa_index(sp->fcport, nport_handle);
2625                 if (edif_entry) {
2626                         ql_dbg(ql_dbg_edif, vha, 0x5033,
2627                             "%s: removing edif_entry %p, new sa_index: 0x%x\n",
2628                             __func__, edif_entry, pkt->sa_index);
2629                         qla_edif_list_delete_sa_index(sp->fcport, edif_entry);
2630                         del_timer(&edif_entry->timer);
2631
2632                         ql_dbg(ql_dbg_edif, vha, 0x5033,
2633                             "%s: releasing edif_entry %p, new sa_index: 0x%x\n",
2634                             __func__, edif_entry, pkt->sa_index);
2635
2636                         kfree(edif_entry);
2637                 }
2638         }
2639
2640         /*
2641          * if this is a delete for either tx or rx, make sure it succeeded.
2642          * The new_sa_info field should be 0xffff on success
2643          */
2644         if (pkt->flags & SA_FLAG_INVALIDATE)
2645                 old_sa_deleted = (le16_to_cpu(pkt->new_sa_info) == 0xffff) ? 1 : 0;
2646
2647         /* Process update and delete the same way */
2648
2649         /* If this is an sadb cleanup delete, bypass sending events to IPSEC */
2650         if (sp->flags & SRB_EDIF_CLEANUP_DELETE) {
2651                 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
2652                 ql_dbg(ql_dbg_edif, vha, 0x3063,
2653                     "%s: nph 0x%x, sa_index %d removed from fw\n",
2654                     __func__, sp->fcport->loop_id, pkt->sa_index);
2655
2656         } else if ((pkt->entry_status == 0) && (pkt->u.comp_sts == 0) &&
2657             old_sa_deleted) {
2658                 /*
2659                  * Note: Wa are only keeping track of latest SA,
2660                  * so we know when we can start enableing encryption per I/O.
2661                  * If all SA's get deleted, let FW reject the IOCB.
2662
2663                  * TODO: edif: don't set enabled here I think
2664                  * TODO: edif: prli complete is where it should be set
2665                  */
2666                 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063,
2667                         "SA(%x)updated for s_id %02x%02x%02x\n",
2668                         pkt->new_sa_info,
2669                         pkt->port_id[2], pkt->port_id[1], pkt->port_id[0]);
2670                 sp->fcport->edif.enable = 1;
2671                 if (pkt->flags & SA_FLAG_TX) {
2672                         sp->fcport->edif.tx_sa_set = 1;
2673                         sp->fcport->edif.tx_sa_pending = 0;
2674                         qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
2675                                 QL_VND_SA_STAT_SUCCESS,
2676                                 QL_VND_TX_SA_KEY, sp->fcport);
2677                 } else {
2678                         sp->fcport->edif.rx_sa_set = 1;
2679                         sp->fcport->edif.rx_sa_pending = 0;
2680                         qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
2681                                 QL_VND_SA_STAT_SUCCESS,
2682                                 QL_VND_RX_SA_KEY, sp->fcport);
2683                 }
2684         } else {
2685                 ql_dbg(ql_dbg_edif, vha, 0x3063,
2686                     "%s: %8phN SA update FAILED: sa_index: %d, new_sa_info %d, %02x%02x%02x\n",
2687                     __func__, sp->fcport->port_name, pkt->sa_index, pkt->new_sa_info,
2688                     pkt->port_id[2], pkt->port_id[1], pkt->port_id[0]);
2689
2690                 if (pkt->flags & SA_FLAG_TX)
2691                         qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
2692                                 (le16_to_cpu(pkt->u.comp_sts) << 16) | QL_VND_SA_STAT_FAILED,
2693                                 QL_VND_TX_SA_KEY, sp->fcport);
2694                 else
2695                         qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL,
2696                                 (le16_to_cpu(pkt->u.comp_sts) << 16) | QL_VND_SA_STAT_FAILED,
2697                                 QL_VND_RX_SA_KEY, sp->fcport);
2698         }
2699
2700         /* for delete, release sa_ctl, sa_index */
2701         if (pkt->flags & SA_FLAG_INVALIDATE) {
2702                 /* release the sa_ctl */
2703                 sa_ctl = qla_edif_find_sa_ctl_by_index(sp->fcport,
2704                     le16_to_cpu(pkt->sa_index), (pkt->flags & SA_FLAG_TX));
2705                 if (sa_ctl &&
2706                     qla_edif_find_sa_ctl_by_index(sp->fcport, sa_ctl->index,
2707                         (pkt->flags & SA_FLAG_TX)) != NULL) {
2708                         ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063,
2709                             "%s: freeing sa_ctl for index %d\n",
2710                             __func__, sa_ctl->index);
2711                         qla_edif_free_sa_ctl(sp->fcport, sa_ctl, sa_ctl->index);
2712                 } else {
2713                         ql_dbg(ql_dbg_edif, vha, 0x3063,
2714                             "%s: sa_ctl NOT freed, sa_ctl: %p\n",
2715                             __func__, sa_ctl);
2716                 }
2717                 ql_dbg(ql_dbg_edif, vha, 0x3063,
2718                     "%s: freeing sa_index %d, nph: 0x%x\n",
2719                     __func__, le16_to_cpu(pkt->sa_index), nport_handle);
2720                 qla_edif_sadb_delete_sa_index(sp->fcport, nport_handle,
2721                     le16_to_cpu(pkt->sa_index));
2722         /*
2723          * check for a failed sa_update and remove
2724          * the sadb entry.
2725          */
2726         } else if (pkt->u.comp_sts) {
2727                 ql_dbg(ql_dbg_edif, vha, 0x3063,
2728                     "%s: freeing sa_index %d, nph: 0x%x\n",
2729                     __func__, pkt->sa_index, nport_handle);
2730                 qla_edif_sadb_delete_sa_index(sp->fcport, nport_handle,
2731                     le16_to_cpu(pkt->sa_index));
2732                 switch (le16_to_cpu(pkt->u.comp_sts)) {
2733                 case CS_PORT_EDIF_UNAVAIL:
2734                 case CS_PORT_EDIF_LOGOUT:
2735                         qlt_schedule_sess_for_deletion(sp->fcport);
2736                         break;
2737                 default:
2738                         break;
2739                 }
2740         }
2741
2742         sp->done(sp, 0);
2743 }
2744
2745 /**
2746  * qla28xx_start_scsi_edif() - Send a SCSI type 6 command to the ISP
2747  * @sp: command to send to the ISP
2748  *
2749  * Return: non-zero if a failure occurred, else zero.
2750  */
2751 int
2752 qla28xx_start_scsi_edif(srb_t *sp)
2753 {
2754         int             nseg;
2755         unsigned long   flags;
2756         struct scsi_cmnd *cmd;
2757         uint32_t        *clr_ptr;
2758         uint32_t        index, i;
2759         uint32_t        handle;
2760         uint16_t        cnt;
2761         int16_t        req_cnt;
2762         uint16_t        tot_dsds;
2763         __be32 *fcp_dl;
2764         uint8_t additional_cdb_len;
2765         struct ct6_dsd *ctx;
2766         struct scsi_qla_host *vha = sp->vha;
2767         struct qla_hw_data *ha = vha->hw;
2768         struct cmd_type_6 *cmd_pkt;
2769         struct dsd64    *cur_dsd;
2770         uint8_t         avail_dsds = 0;
2771         struct scatterlist *sg;
2772         struct req_que *req = sp->qpair->req;
2773         spinlock_t *lock = sp->qpair->qp_lock_ptr;
2774
2775         /* Setup device pointers. */
2776         cmd = GET_CMD_SP(sp);
2777
2778         /* So we know we haven't pci_map'ed anything yet */
2779         tot_dsds = 0;
2780
2781         /* Send marker if required */
2782         if (vha->marker_needed != 0) {
2783                 if (qla2x00_marker(vha, sp->qpair, 0, 0, MK_SYNC_ALL) !=
2784                         QLA_SUCCESS) {
2785                         ql_log(ql_log_warn, vha, 0x300c,
2786                             "qla2x00_marker failed for cmd=%p.\n", cmd);
2787                         return QLA_FUNCTION_FAILED;
2788                 }
2789                 vha->marker_needed = 0;
2790         }
2791
2792         /* Acquire ring specific lock */
2793         spin_lock_irqsave(lock, flags);
2794
2795         /* Check for room in outstanding command list. */
2796         handle = req->current_outstanding_cmd;
2797         for (index = 1; index < req->num_outstanding_cmds; index++) {
2798                 handle++;
2799                 if (handle == req->num_outstanding_cmds)
2800                         handle = 1;
2801                 if (!req->outstanding_cmds[handle])
2802                         break;
2803         }
2804         if (index == req->num_outstanding_cmds)
2805                 goto queuing_error;
2806
2807         /* Map the sg table so we have an accurate count of sg entries needed */
2808         if (scsi_sg_count(cmd)) {
2809                 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
2810                     scsi_sg_count(cmd), cmd->sc_data_direction);
2811                 if (unlikely(!nseg))
2812                         goto queuing_error;
2813         } else {
2814                 nseg = 0;
2815         }
2816
2817         tot_dsds = nseg;
2818         req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
2819         if (req->cnt < (req_cnt + 2)) {
2820                 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
2821                     rd_reg_dword(req->req_q_out);
2822                 if (req->ring_index < cnt)
2823                         req->cnt = cnt - req->ring_index;
2824                 else
2825                         req->cnt = req->length -
2826                             (req->ring_index - cnt);
2827                 if (req->cnt < (req_cnt + 2))
2828                         goto queuing_error;
2829         }
2830
2831         ctx = sp->u.scmd.ct6_ctx =
2832             mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
2833         if (!ctx) {
2834                 ql_log(ql_log_fatal, vha, 0x3010,
2835                     "Failed to allocate ctx for cmd=%p.\n", cmd);
2836                 goto queuing_error;
2837         }
2838
2839         memset(ctx, 0, sizeof(struct ct6_dsd));
2840         ctx->fcp_cmnd = dma_pool_zalloc(ha->fcp_cmnd_dma_pool,
2841             GFP_ATOMIC, &ctx->fcp_cmnd_dma);
2842         if (!ctx->fcp_cmnd) {
2843                 ql_log(ql_log_fatal, vha, 0x3011,
2844                     "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd);
2845                 goto queuing_error;
2846         }
2847
2848         /* Initialize the DSD list and dma handle */
2849         INIT_LIST_HEAD(&ctx->dsd_list);
2850         ctx->dsd_use_cnt = 0;
2851
2852         if (cmd->cmd_len > 16) {
2853                 additional_cdb_len = cmd->cmd_len - 16;
2854                 if ((cmd->cmd_len % 4) != 0) {
2855                         /*
2856                          * SCSI command bigger than 16 bytes must be
2857                          * multiple of 4
2858                          */
2859                         ql_log(ql_log_warn, vha, 0x3012,
2860                             "scsi cmd len %d not multiple of 4 for cmd=%p.\n",
2861                             cmd->cmd_len, cmd);
2862                         goto queuing_error_fcp_cmnd;
2863                 }
2864                 ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4;
2865         } else {
2866                 additional_cdb_len = 0;
2867                 ctx->fcp_cmnd_len = 12 + 16 + 4;
2868         }
2869
2870         cmd_pkt = (struct cmd_type_6 *)req->ring_ptr;
2871         cmd_pkt->handle = make_handle(req->id, handle);
2872
2873         /*
2874          * Zero out remaining portion of packet.
2875          * tagged queuing modifier -- default is TSK_SIMPLE (0).
2876          */
2877         clr_ptr = (uint32_t *)cmd_pkt + 2;
2878         memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
2879         cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
2880
2881         /* No data transfer */
2882         if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
2883                 cmd_pkt->byte_count = cpu_to_le32(0);
2884                 goto no_dsds;
2885         }
2886
2887         /* Set transfer direction */
2888         if (cmd->sc_data_direction == DMA_TO_DEVICE) {
2889                 cmd_pkt->control_flags = cpu_to_le16(CF_WRITE_DATA);
2890                 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
2891                 vha->qla_stats.output_requests++;
2892                 sp->fcport->edif.tx_bytes += scsi_bufflen(cmd);
2893         } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
2894                 cmd_pkt->control_flags = cpu_to_le16(CF_READ_DATA);
2895                 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
2896                 vha->qla_stats.input_requests++;
2897                 sp->fcport->edif.rx_bytes += scsi_bufflen(cmd);
2898         }
2899
2900         cmd_pkt->control_flags |= cpu_to_le16(CF_EN_EDIF);
2901         cmd_pkt->control_flags &= ~(cpu_to_le16(CF_NEW_SA));
2902
2903         /* One DSD is available in the Command Type 6 IOCB */
2904         avail_dsds = 1;
2905         cur_dsd = &cmd_pkt->fcp_dsd;
2906
2907         /* Load data segments */
2908         scsi_for_each_sg(cmd, sg, tot_dsds, i) {
2909                 dma_addr_t      sle_dma;
2910                 cont_a64_entry_t *cont_pkt;
2911
2912                 /* Allocate additional continuation packets? */
2913                 if (avail_dsds == 0) {
2914                         /*
2915                          * Five DSDs are available in the Continuation
2916                          * Type 1 IOCB.
2917                          */
2918                         cont_pkt = qla2x00_prep_cont_type1_iocb(vha, req);
2919                         cur_dsd = cont_pkt->dsd;
2920                         avail_dsds = 5;
2921                 }
2922
2923                 sle_dma = sg_dma_address(sg);
2924                 put_unaligned_le64(sle_dma, &cur_dsd->address);
2925                 cur_dsd->length = cpu_to_le32(sg_dma_len(sg));
2926                 cur_dsd++;
2927                 avail_dsds--;
2928         }
2929
2930 no_dsds:
2931         /* Set NPORT-ID and LUN number*/
2932         cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2933         cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
2934         cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
2935         cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
2936         cmd_pkt->vp_index = sp->vha->vp_idx;
2937
2938         cmd_pkt->entry_type = COMMAND_TYPE_6;
2939
2940         /* Set total data segment count. */
2941         cmd_pkt->entry_count = (uint8_t)req_cnt;
2942
2943         int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
2944         host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
2945
2946         /* build FCP_CMND IU */
2947         int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun);
2948         ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
2949
2950         if (cmd->sc_data_direction == DMA_TO_DEVICE)
2951                 ctx->fcp_cmnd->additional_cdb_len |= 1;
2952         else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
2953                 ctx->fcp_cmnd->additional_cdb_len |= 2;
2954
2955         /* Populate the FCP_PRIO. */
2956         if (ha->flags.fcp_prio_enabled)
2957                 ctx->fcp_cmnd->task_attribute |=
2958                     sp->fcport->fcp_prio << 3;
2959
2960         memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
2961
2962         fcp_dl = (__be32 *)(ctx->fcp_cmnd->cdb + 16 +
2963             additional_cdb_len);
2964         *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd));
2965
2966         cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len);
2967         put_unaligned_le64(ctx->fcp_cmnd_dma, &cmd_pkt->fcp_cmnd_dseg_address);
2968
2969         sp->flags |= SRB_FCP_CMND_DMA_VALID;
2970         cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
2971         /* Set total data segment count. */
2972         cmd_pkt->entry_count = (uint8_t)req_cnt;
2973         cmd_pkt->entry_status = 0;
2974
2975         /* Build command packet. */
2976         req->current_outstanding_cmd = handle;
2977         req->outstanding_cmds[handle] = sp;
2978         sp->handle = handle;
2979         cmd->host_scribble = (unsigned char *)(unsigned long)handle;
2980         req->cnt -= req_cnt;
2981
2982         /* Adjust ring index. */
2983         wmb();
2984         req->ring_index++;
2985         if (req->ring_index == req->length) {
2986                 req->ring_index = 0;
2987                 req->ring_ptr = req->ring;
2988         } else {
2989                 req->ring_ptr++;
2990         }
2991
2992         sp->qpair->cmd_cnt++;
2993         /* Set chip new ring index. */
2994         wrt_reg_dword(req->req_q_in, req->ring_index);
2995
2996         spin_unlock_irqrestore(lock, flags);
2997
2998         return QLA_SUCCESS;
2999
3000 queuing_error_fcp_cmnd:
3001         dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma);
3002 queuing_error:
3003         if (tot_dsds)
3004                 scsi_dma_unmap(cmd);
3005
3006         if (sp->u.scmd.ct6_ctx) {
3007                 mempool_free(sp->u.scmd.ct6_ctx, ha->ctx_mempool);
3008                 sp->u.scmd.ct6_ctx = NULL;
3009         }
3010         spin_unlock_irqrestore(lock, flags);
3011
3012         return QLA_FUNCTION_FAILED;
3013 }
3014
3015 /**********************************************
3016  * edif update/delete sa_index list functions *
3017  **********************************************/
3018
3019 /* clear the edif_indx_list for this port */
3020 void qla_edif_list_del(fc_port_t *fcport)
3021 {
3022         struct edif_list_entry *indx_lst;
3023         struct edif_list_entry *tindx_lst;
3024         struct list_head *indx_list = &fcport->edif.edif_indx_list;
3025         unsigned long flags = 0;
3026
3027         spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
3028         list_for_each_entry_safe(indx_lst, tindx_lst, indx_list, next) {
3029                 list_del(&indx_lst->next);
3030                 kfree(indx_lst);
3031         }
3032         spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
3033 }
3034
3035 /******************
3036  * SADB functions *
3037  ******************/
3038
3039 /* allocate/retrieve an sa_index for a given spi */
3040 static uint16_t qla_edif_sadb_get_sa_index(fc_port_t *fcport,
3041                 struct qla_sa_update_frame *sa_frame)
3042 {
3043         struct edif_sa_index_entry *entry;
3044         struct list_head *sa_list;
3045         uint16_t sa_index;
3046         int dir = sa_frame->flags & SAU_FLG_TX;
3047         int slot = 0;
3048         int free_slot = -1;
3049         scsi_qla_host_t *vha = fcport->vha;
3050         struct qla_hw_data *ha = vha->hw;
3051         unsigned long flags = 0;
3052         uint16_t nport_handle = fcport->loop_id;
3053
3054         ql_dbg(ql_dbg_edif, vha, 0x3063,
3055             "%s: entry  fc_port: %p, nport_handle: 0x%x\n",
3056             __func__, fcport, nport_handle);
3057
3058         if (dir)
3059                 sa_list = &ha->sadb_tx_index_list;
3060         else
3061                 sa_list = &ha->sadb_rx_index_list;
3062
3063         entry = qla_edif_sadb_find_sa_index_entry(nport_handle, sa_list);
3064         if (!entry) {
3065                 if ((sa_frame->flags & (SAU_FLG_TX | SAU_FLG_INV)) == SAU_FLG_INV) {
3066                         ql_dbg(ql_dbg_edif, vha, 0x3063,
3067                             "%s: rx delete request with no entry\n", __func__);
3068                         return RX_DELETE_NO_EDIF_SA_INDEX;
3069                 }
3070
3071                 /* if there is no entry for this nport, add one */
3072                 entry = kzalloc((sizeof(struct edif_sa_index_entry)), GFP_ATOMIC);
3073                 if (!entry)
3074                         return INVALID_EDIF_SA_INDEX;
3075
3076                 sa_index = qla_edif_get_sa_index_from_freepool(fcport, dir);
3077                 if (sa_index == INVALID_EDIF_SA_INDEX) {
3078                         kfree(entry);
3079                         return INVALID_EDIF_SA_INDEX;
3080                 }
3081
3082                 INIT_LIST_HEAD(&entry->next);
3083                 entry->handle = nport_handle;
3084                 entry->fcport = fcport;
3085                 entry->sa_pair[0].spi = sa_frame->spi;
3086                 entry->sa_pair[0].sa_index = sa_index;
3087                 entry->sa_pair[1].spi = 0;
3088                 entry->sa_pair[1].sa_index = INVALID_EDIF_SA_INDEX;
3089                 spin_lock_irqsave(&ha->sadb_lock, flags);
3090                 list_add_tail(&entry->next, sa_list);
3091                 spin_unlock_irqrestore(&ha->sadb_lock, flags);
3092                 ql_dbg(ql_dbg_edif, vha, 0x3063,
3093                     "%s: Created new sadb entry for nport_handle 0x%x, spi 0x%x, returning sa_index %d\n",
3094                     __func__, nport_handle, sa_frame->spi, sa_index);
3095
3096                 return sa_index;
3097         }
3098
3099         spin_lock_irqsave(&ha->sadb_lock, flags);
3100
3101         /* see if we already have an entry for this spi */
3102         for (slot = 0; slot < 2; slot++) {
3103                 if (entry->sa_pair[slot].sa_index == INVALID_EDIF_SA_INDEX) {
3104                         free_slot = slot;
3105                 } else {
3106                         if (entry->sa_pair[slot].spi == sa_frame->spi) {
3107                                 spin_unlock_irqrestore(&ha->sadb_lock, flags);
3108                                 ql_dbg(ql_dbg_edif, vha, 0x3063,
3109                                     "%s: sadb slot %d entry for lid 0x%x, spi 0x%x found, sa_index %d\n",
3110                                     __func__, slot, entry->handle, sa_frame->spi,
3111                                     entry->sa_pair[slot].sa_index);
3112                                 return entry->sa_pair[slot].sa_index;
3113                         }
3114                 }
3115         }
3116         spin_unlock_irqrestore(&ha->sadb_lock, flags);
3117
3118         /* both slots are used */
3119         if (free_slot == -1) {
3120                 ql_dbg(ql_dbg_edif, vha, 0x3063,
3121                     "%s: WARNING: No free slots in sadb for nport_handle 0x%x, spi: 0x%x\n",
3122                     __func__, entry->handle, sa_frame->spi);
3123                 ql_dbg(ql_dbg_edif, vha, 0x3063,
3124                     "%s: Slot 0  spi: 0x%x  sa_index: %d,  Slot 1  spi: 0x%x  sa_index: %d\n",
3125                     __func__, entry->sa_pair[0].spi, entry->sa_pair[0].sa_index,
3126                     entry->sa_pair[1].spi, entry->sa_pair[1].sa_index);
3127
3128                 return INVALID_EDIF_SA_INDEX;
3129         }
3130
3131         /* there is at least one free slot, use it */
3132         sa_index = qla_edif_get_sa_index_from_freepool(fcport, dir);
3133         if (sa_index == INVALID_EDIF_SA_INDEX) {
3134                 ql_dbg(ql_dbg_edif, fcport->vha, 0x3063,
3135                     "%s: empty freepool!!\n", __func__);
3136                 return INVALID_EDIF_SA_INDEX;
3137         }
3138
3139         spin_lock_irqsave(&ha->sadb_lock, flags);
3140         entry->sa_pair[free_slot].spi = sa_frame->spi;
3141         entry->sa_pair[free_slot].sa_index = sa_index;
3142         spin_unlock_irqrestore(&ha->sadb_lock, flags);
3143         ql_dbg(ql_dbg_edif, fcport->vha, 0x3063,
3144             "%s: sadb slot %d entry for nport_handle 0x%x, spi 0x%x added, returning sa_index %d\n",
3145             __func__, free_slot, entry->handle, sa_frame->spi, sa_index);
3146
3147         return sa_index;
3148 }
3149
3150 /* release any sadb entries -- only done at teardown */
3151 void qla_edif_sadb_release(struct qla_hw_data *ha)
3152 {
3153         struct edif_sa_index_entry *entry, *tmp;
3154
3155         list_for_each_entry_safe(entry, tmp, &ha->sadb_rx_index_list, next) {
3156                 list_del(&entry->next);
3157                 kfree(entry);
3158         }
3159
3160         list_for_each_entry_safe(entry, tmp, &ha->sadb_tx_index_list, next) {
3161                 list_del(&entry->next);
3162                 kfree(entry);
3163         }
3164 }
3165
3166 /**************************
3167  * sadb freepool functions
3168  **************************/
3169
3170 /* build the rx and tx sa_index free pools -- only done at fcport init */
3171 int qla_edif_sadb_build_free_pool(struct qla_hw_data *ha)
3172 {
3173         ha->edif_tx_sa_id_map =
3174             kcalloc(BITS_TO_LONGS(EDIF_NUM_SA_INDEX), sizeof(long), GFP_KERNEL);
3175
3176         if (!ha->edif_tx_sa_id_map) {
3177                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0009,
3178                     "Unable to allocate memory for sadb tx.\n");
3179                 return -ENOMEM;
3180         }
3181
3182         ha->edif_rx_sa_id_map =
3183             kcalloc(BITS_TO_LONGS(EDIF_NUM_SA_INDEX), sizeof(long), GFP_KERNEL);
3184         if (!ha->edif_rx_sa_id_map) {
3185                 kfree(ha->edif_tx_sa_id_map);
3186                 ha->edif_tx_sa_id_map = NULL;
3187                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0009,
3188                     "Unable to allocate memory for sadb rx.\n");
3189                 return -ENOMEM;
3190         }
3191         return 0;
3192 }
3193
3194 /* release the free pool - only done during fcport teardown */
3195 void qla_edif_sadb_release_free_pool(struct qla_hw_data *ha)
3196 {
3197         kfree(ha->edif_tx_sa_id_map);
3198         ha->edif_tx_sa_id_map = NULL;
3199         kfree(ha->edif_rx_sa_id_map);
3200         ha->edif_rx_sa_id_map = NULL;
3201 }
3202
3203 static void __chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha,
3204                 fc_port_t *fcport, uint32_t handle, uint16_t sa_index)
3205 {
3206         struct edif_list_entry *edif_entry;
3207         struct edif_sa_ctl *sa_ctl;
3208         uint16_t delete_sa_index = INVALID_EDIF_SA_INDEX;
3209         unsigned long flags = 0;
3210         uint16_t nport_handle = fcport->loop_id;
3211         uint16_t cached_nport_handle;
3212
3213         spin_lock_irqsave(&fcport->edif.indx_list_lock, flags);
3214         edif_entry = qla_edif_list_find_sa_index(fcport, nport_handle);
3215         if (!edif_entry) {
3216                 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
3217                 return;         /* no pending delete for this handle */
3218         }
3219
3220         /*
3221          * check for no pending delete for this index or iocb does not
3222          * match rx sa_index
3223          */
3224         if (edif_entry->delete_sa_index == INVALID_EDIF_SA_INDEX ||
3225             edif_entry->update_sa_index != sa_index) {
3226                 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
3227                 return;
3228         }
3229
3230         /*
3231          * wait until we have seen at least EDIF_DELAY_COUNT transfers before
3232          * queueing RX delete
3233          */
3234         if (edif_entry->count++ < EDIF_RX_DELETE_FILTER_COUNT) {
3235                 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
3236                 return;
3237         }
3238
3239         ql_dbg(ql_dbg_edif, vha, 0x5033,
3240             "%s: invalidating delete_sa_index,  update_sa_index: 0x%x sa_index: 0x%x, delete_sa_index: 0x%x\n",
3241             __func__, edif_entry->update_sa_index, sa_index, edif_entry->delete_sa_index);
3242
3243         delete_sa_index = edif_entry->delete_sa_index;
3244         edif_entry->delete_sa_index = INVALID_EDIF_SA_INDEX;
3245         cached_nport_handle = edif_entry->handle;
3246         spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags);
3247
3248         /* sanity check on the nport handle */
3249         if (nport_handle != cached_nport_handle) {
3250                 ql_dbg(ql_dbg_edif, vha, 0x3063,
3251                     "%s: POST SA DELETE nport_handle mismatch: lid: 0x%x, edif_entry nph: 0x%x\n",
3252                     __func__, nport_handle, cached_nport_handle);
3253         }
3254
3255         /* find the sa_ctl for the delete and schedule the delete */
3256         sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, delete_sa_index, 0);
3257         if (sa_ctl) {
3258                 ql_dbg(ql_dbg_edif, vha, 0x3063,
3259                     "%s: POST SA DELETE sa_ctl: %p, index recvd %d\n",
3260                     __func__, sa_ctl, sa_index);
3261                 ql_dbg(ql_dbg_edif, vha, 0x3063,
3262                     "delete index %d, update index: %d, nport handle: 0x%x, handle: 0x%x\n",
3263                     delete_sa_index,
3264                     edif_entry->update_sa_index, nport_handle, handle);
3265
3266                 sa_ctl->flags = EDIF_SA_CTL_FLG_DEL;
3267                 set_bit(EDIF_SA_CTL_REPL, &sa_ctl->state);
3268                 qla_post_sa_replace_work(fcport->vha, fcport,
3269                     nport_handle, sa_ctl);
3270         } else {
3271                 ql_dbg(ql_dbg_edif, vha, 0x3063,
3272                     "%s: POST SA DELETE sa_ctl not found for delete_sa_index: %d\n",
3273                     __func__, delete_sa_index);
3274         }
3275 }
3276
3277 void qla_chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha,
3278                 srb_t *sp, struct sts_entry_24xx *sts24)
3279 {
3280         fc_port_t *fcport = sp->fcport;
3281         /* sa_index used by this iocb */
3282         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3283         uint32_t handle;
3284
3285         handle = (uint32_t)LSW(sts24->handle);
3286
3287         /* find out if this status iosb is for a scsi read */
3288         if (cmd->sc_data_direction != DMA_FROM_DEVICE)
3289                 return;
3290
3291         return __chk_edif_rx_sa_delete_pending(vha, fcport, handle,
3292            le16_to_cpu(sts24->edif_sa_index));
3293 }
3294
3295 void qlt_chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, fc_port_t *fcport,
3296                 struct ctio7_from_24xx *pkt)
3297 {
3298         __chk_edif_rx_sa_delete_pending(vha, fcport,
3299             pkt->handle, le16_to_cpu(pkt->edif_sa_index));
3300 }
3301
3302 static void qla_parse_auth_els_ctl(struct srb *sp)
3303 {
3304         struct qla_els_pt_arg *a = &sp->u.bsg_cmd.u.els_arg;
3305         struct bsg_job *bsg_job = sp->u.bsg_cmd.bsg_job;
3306         struct fc_bsg_request *request = bsg_job->request;
3307         struct qla_bsg_auth_els_request *p =
3308             (struct qla_bsg_auth_els_request *)bsg_job->request;
3309
3310         a->tx_len = a->tx_byte_count = sp->remap.req.len;
3311         a->tx_addr = sp->remap.req.dma;
3312         a->rx_len = a->rx_byte_count = sp->remap.rsp.len;
3313         a->rx_addr = sp->remap.rsp.dma;
3314
3315         if (p->e.sub_cmd == SEND_ELS_REPLY) {
3316                 a->control_flags = p->e.extra_control_flags << 13;
3317                 a->rx_xchg_address = cpu_to_le32(p->e.extra_rx_xchg_address);
3318                 if (p->e.extra_control_flags == BSG_CTL_FLAG_LS_ACC)
3319                         a->els_opcode = ELS_LS_ACC;
3320                 else if (p->e.extra_control_flags == BSG_CTL_FLAG_LS_RJT)
3321                         a->els_opcode = ELS_LS_RJT;
3322         }
3323         a->did = sp->fcport->d_id;
3324         a->els_opcode =  request->rqst_data.h_els.command_code;
3325         a->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3326         a->vp_idx = sp->vha->vp_idx;
3327 }
3328
3329 int qla_edif_process_els(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
3330 {
3331         struct fc_bsg_request *bsg_request = bsg_job->request;
3332         struct fc_bsg_reply *bsg_reply = bsg_job->reply;
3333         fc_port_t *fcport = NULL;
3334         struct qla_hw_data *ha = vha->hw;
3335         srb_t *sp;
3336         int rval =  (DID_ERROR << 16);
3337         port_id_t d_id;
3338         struct qla_bsg_auth_els_request *p =
3339             (struct qla_bsg_auth_els_request *)bsg_job->request;
3340
3341         d_id.b.al_pa = bsg_request->rqst_data.h_els.port_id[2];
3342         d_id.b.area = bsg_request->rqst_data.h_els.port_id[1];
3343         d_id.b.domain = bsg_request->rqst_data.h_els.port_id[0];
3344
3345         /* find matching d_id in fcport list */
3346         fcport = qla2x00_find_fcport_by_pid(vha, &d_id);
3347         if (!fcport) {
3348                 ql_dbg(ql_dbg_edif, vha, 0x911a,
3349                     "%s fcport not find online portid=%06x.\n",
3350                     __func__, d_id.b24);
3351                 SET_DID_STATUS(bsg_reply->result, DID_ERROR);
3352                 return -EIO;
3353         }
3354
3355         if (qla_bsg_check(vha, bsg_job, fcport))
3356                 return 0;
3357
3358         if (fcport->loop_id == FC_NO_LOOP_ID) {
3359                 ql_dbg(ql_dbg_edif, vha, 0x910d,
3360                     "%s ELS code %x, no loop id.\n", __func__,
3361                     bsg_request->rqst_data.r_els.els_code);
3362                 SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET);
3363                 return -ENXIO;
3364         }
3365
3366         if (!vha->flags.online) {
3367                 ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
3368                 SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET);
3369                 rval = -EIO;
3370                 goto done;
3371         }
3372
3373         /* pass through is supported only for ISP 4Gb or higher */
3374         if (!IS_FWI2_CAPABLE(ha)) {
3375                 ql_dbg(ql_dbg_user, vha, 0x7001,
3376                     "ELS passthru not supported for ISP23xx based adapters.\n");
3377                 SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET);
3378                 rval = -EPERM;
3379                 goto done;
3380         }
3381
3382         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
3383         if (!sp) {
3384                 ql_dbg(ql_dbg_user, vha, 0x7004,
3385                     "Failed get sp pid=%06x\n", fcport->d_id.b24);
3386                 rval = -ENOMEM;
3387                 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
3388                 goto done;
3389         }
3390
3391         sp->remap.req.len = bsg_job->request_payload.payload_len;
3392         sp->remap.req.buf = dma_pool_alloc(ha->purex_dma_pool,
3393             GFP_KERNEL, &sp->remap.req.dma);
3394         if (!sp->remap.req.buf) {
3395                 ql_dbg(ql_dbg_user, vha, 0x7005,
3396                     "Failed allocate request dma len=%x\n",
3397                     bsg_job->request_payload.payload_len);
3398                 rval = -ENOMEM;
3399                 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
3400                 goto done_free_sp;
3401         }
3402
3403         sp->remap.rsp.len = bsg_job->reply_payload.payload_len;
3404         sp->remap.rsp.buf = dma_pool_alloc(ha->purex_dma_pool,
3405             GFP_KERNEL, &sp->remap.rsp.dma);
3406         if (!sp->remap.rsp.buf) {
3407                 ql_dbg(ql_dbg_user, vha, 0x7006,
3408                     "Failed allocate response dma len=%x\n",
3409                     bsg_job->reply_payload.payload_len);
3410                 rval = -ENOMEM;
3411                 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
3412                 goto done_free_remap_req;
3413         }
3414         sg_copy_to_buffer(bsg_job->request_payload.sg_list,
3415             bsg_job->request_payload.sg_cnt, sp->remap.req.buf,
3416             sp->remap.req.len);
3417         sp->remap.remapped = true;
3418
3419         sp->type = SRB_ELS_CMD_HST_NOLOGIN;
3420         sp->name = "SPCN_BSG_HST_NOLOGIN";
3421         sp->u.bsg_cmd.bsg_job = bsg_job;
3422         qla_parse_auth_els_ctl(sp);
3423
3424         sp->free = qla2x00_bsg_sp_free;
3425         sp->done = qla2x00_bsg_job_done;
3426
3427         rval = qla2x00_start_sp(sp);
3428
3429         ql_dbg(ql_dbg_edif, vha, 0x700a,
3430             "%s %s %8phN xchg %x ctlflag %x hdl %x reqlen %xh bsg ptr %p\n",
3431             __func__, sc_to_str(p->e.sub_cmd), fcport->port_name,
3432             p->e.extra_rx_xchg_address, p->e.extra_control_flags,
3433             sp->handle, sp->remap.req.len, bsg_job);
3434
3435         if (rval != QLA_SUCCESS) {
3436                 ql_log(ql_log_warn, vha, 0x700e,
3437                     "qla2x00_start_sp failed = %d\n", rval);
3438                 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY);
3439                 rval = -EIO;
3440                 goto done_free_remap_rsp;
3441         }
3442         return rval;
3443
3444 done_free_remap_rsp:
3445         dma_pool_free(ha->purex_dma_pool, sp->remap.rsp.buf,
3446             sp->remap.rsp.dma);
3447 done_free_remap_req:
3448         dma_pool_free(ha->purex_dma_pool, sp->remap.req.buf,
3449             sp->remap.req.dma);
3450 done_free_sp:
3451         qla2x00_rel_sp(sp);
3452
3453 done:
3454         return rval;
3455 }
3456
3457 void qla_edif_sess_down(struct scsi_qla_host *vha, struct fc_port *sess)
3458 {
3459         if (sess->edif.app_sess_online && DBELL_ACTIVE(vha)) {
3460                 ql_dbg(ql_dbg_disc, vha, 0xf09c,
3461                         "%s: sess %8phN send port_offline event\n",
3462                         __func__, sess->port_name);
3463                 sess->edif.app_sess_online = 0;
3464                 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SESSION_SHUTDOWN,
3465                     sess->d_id.b24, 0, sess);
3466                 qla2x00_post_aen_work(vha, FCH_EVT_PORT_OFFLINE, sess->d_id.b24);
3467         }
3468 }
3469
3470 void qla_edif_clear_appdata(struct scsi_qla_host *vha, struct fc_port *fcport)
3471 {
3472         if (!(fcport->flags & FCF_FCSP_DEVICE))
3473                 return;
3474
3475         qla_edb_clear(vha, fcport->d_id);
3476         qla_enode_clear(vha, fcport->d_id);
3477 }