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path: root/drivers/s390/scsi/zfcp_fc.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_fc.c')
-rw-r--r--drivers/s390/scsi/zfcp_fc.c45
1 files changed, 34 insertions, 11 deletions
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 8921e16fdab7..bc0c9f54d0d8 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -282,15 +282,15 @@ static void zfcp_fc_ns_gid_pn_eval(unsigned long data)
282 port->d_id = ct_iu_resp->d_id & ZFCP_DID_MASK; 282 port->d_id = ct_iu_resp->d_id & ZFCP_DID_MASK;
283} 283}
284 284
285int static zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action, 285static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port,
286 struct zfcp_gid_pn_data *gid_pn) 286 struct zfcp_gid_pn_data *gid_pn)
287{ 287{
288 struct zfcp_adapter *adapter = erp_action->adapter; 288 struct zfcp_adapter *adapter = port->adapter;
289 struct zfcp_fc_ns_handler_data compl_rec; 289 struct zfcp_fc_ns_handler_data compl_rec;
290 int ret; 290 int ret;
291 291
292 /* setup parameters for send generic command */ 292 /* setup parameters for send generic command */
293 gid_pn->port = erp_action->port; 293 gid_pn->port = port;
294 gid_pn->ct.wka_port = &adapter->gs->ds; 294 gid_pn->ct.wka_port = &adapter->gs->ds;
295 gid_pn->ct.handler = zfcp_fc_ns_handler; 295 gid_pn->ct.handler = zfcp_fc_ns_handler;
296 gid_pn->ct.handler_data = (unsigned long) &compl_rec; 296 gid_pn->ct.handler_data = (unsigned long) &compl_rec;
@@ -309,12 +309,12 @@ int static zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action,
309 gid_pn->ct_iu_req.header.options = ZFCP_CT_SYNCHRONOUS; 309 gid_pn->ct_iu_req.header.options = ZFCP_CT_SYNCHRONOUS;
310 gid_pn->ct_iu_req.header.cmd_rsp_code = ZFCP_CT_GID_PN; 310 gid_pn->ct_iu_req.header.cmd_rsp_code = ZFCP_CT_GID_PN;
311 gid_pn->ct_iu_req.header.max_res_size = ZFCP_CT_SIZE_ONE_PAGE / 4; 311 gid_pn->ct_iu_req.header.max_res_size = ZFCP_CT_SIZE_ONE_PAGE / 4;
312 gid_pn->ct_iu_req.wwpn = erp_action->port->wwpn; 312 gid_pn->ct_iu_req.wwpn = port->wwpn;
313 313
314 init_completion(&compl_rec.done); 314 init_completion(&compl_rec.done);
315 compl_rec.handler = zfcp_fc_ns_gid_pn_eval; 315 compl_rec.handler = zfcp_fc_ns_gid_pn_eval;
316 compl_rec.handler_data = (unsigned long) gid_pn; 316 compl_rec.handler_data = (unsigned long) gid_pn;
317 ret = zfcp_fsf_send_ct(&gid_pn->ct, adapter->pool.erp_req, erp_action); 317 ret = zfcp_fsf_send_ct(&gid_pn->ct, adapter->pool.gid_pn_req);
318 if (!ret) 318 if (!ret)
319 wait_for_completion(&compl_rec.done); 319 wait_for_completion(&compl_rec.done);
320 return ret; 320 return ret;
@@ -322,14 +322,14 @@ int static zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action,
322 322
323/** 323/**
324 * zfcp_fc_ns_gid_pn_request - initiate GID_PN nameserver request 324 * zfcp_fc_ns_gid_pn_request - initiate GID_PN nameserver request
325 * @erp_action: pointer to zfcp_erp_action where GID_PN request is needed 325 * @port: port where GID_PN request is needed
326 * return: -ENOMEM on error, 0 otherwise 326 * return: -ENOMEM on error, 0 otherwise
327 */ 327 */
328int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *erp_action) 328static int zfcp_fc_ns_gid_pn(struct zfcp_port *port)
329{ 329{
330 int ret; 330 int ret;
331 struct zfcp_gid_pn_data *gid_pn; 331 struct zfcp_gid_pn_data *gid_pn;
332 struct zfcp_adapter *adapter = erp_action->adapter; 332 struct zfcp_adapter *adapter = port->adapter;
333 333
334 gid_pn = mempool_alloc(adapter->pool.gid_pn_data, GFP_ATOMIC); 334 gid_pn = mempool_alloc(adapter->pool.gid_pn_data, GFP_ATOMIC);
335 if (!gid_pn) 335 if (!gid_pn)
@@ -341,7 +341,7 @@ int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *erp_action)
341 if (ret) 341 if (ret)
342 goto out; 342 goto out;
343 343
344 ret = zfcp_fc_ns_gid_pn_request(erp_action, gid_pn); 344 ret = zfcp_fc_ns_gid_pn_request(port, gid_pn);
345 345
346 zfcp_wka_port_put(&adapter->gs->ds); 346 zfcp_wka_port_put(&adapter->gs->ds);
347out: 347out:
@@ -349,6 +349,29 @@ out:
349 return ret; 349 return ret;
350} 350}
351 351
352void zfcp_fc_port_did_lookup(struct work_struct *work)
353{
354 int ret;
355 struct zfcp_port *port = container_of(work, struct zfcp_port,
356 gid_pn_work);
357
358 ret = zfcp_fc_ns_gid_pn(port);
359 if (ret) {
360 /* could not issue gid_pn for some reason */
361 zfcp_erp_adapter_reopen(port->adapter, 0, "fcgpn_1", NULL);
362 goto out;
363 }
364
365 if (!port->d_id) {
366 zfcp_erp_port_failed(port, "fcgpn_2", NULL);
367 goto out;
368 }
369
370 zfcp_erp_port_reopen(port, 0, "fcgpn_3", NULL);
371out:
372 zfcp_port_put(port);
373}
374
352/** 375/**
353 * zfcp_fc_plogi_evaluate - evaluate PLOGI playload 376 * zfcp_fc_plogi_evaluate - evaluate PLOGI playload
354 * @port: zfcp_port structure 377 * @port: zfcp_port structure
@@ -551,7 +574,7 @@ static int zfcp_scan_issue_gpn_ft(struct zfcp_gpn_ft *gpn_ft,
551 574
552 init_completion(&compl_rec.done); 575 init_completion(&compl_rec.done);
553 compl_rec.handler = NULL; 576 compl_rec.handler = NULL;
554 ret = zfcp_fsf_send_ct(ct, NULL, NULL); 577 ret = zfcp_fsf_send_ct(ct, NULL);
555 if (!ret) 578 if (!ret)
556 wait_for_completion(&compl_rec.done); 579 wait_for_completion(&compl_rec.done);
557 return ret; 580 return ret;
@@ -840,7 +863,7 @@ int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *job)
840 ct_fc_job->ct.completion = NULL; 863 ct_fc_job->ct.completion = NULL;
841 ct_fc_job->job = job; 864 ct_fc_job->job = job;
842 865
843 ret = zfcp_fsf_send_ct(&ct_fc_job->ct, NULL, NULL); 866 ret = zfcp_fsf_send_ct(&ct_fc_job->ct, NULL);
844 if (ret) { 867 if (ret) {
845 kfree(ct_fc_job); 868 kfree(ct_fc_job);
846 zfcp_wka_port_put(ct_fc_job->ct.wka_port); 869 zfcp_wka_port_put(ct_fc_job->ct.wka_port);