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-rw-r--r--drivers/s390/scsi/zfcp_aux.c10
-rw-r--r--drivers/s390/scsi/zfcp_def.h18
-rw-r--r--drivers/s390/scsi/zfcp_erp.c2
-rw-r--r--drivers/s390/scsi/zfcp_ext.h6
-rw-r--r--drivers/s390/scsi/zfcp_fc.c188
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c15
6 files changed, 219 insertions, 20 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 3ac27ee47396..2ccbd185a5fb 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -470,6 +470,12 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
470 if (!adapter) 470 if (!adapter)
471 return -ENOMEM; 471 return -ENOMEM;
472 472
473 adapter->gs = kzalloc(sizeof(struct zfcp_wka_ports), GFP_KERNEL);
474 if (!adapter->gs) {
475 kfree(adapter);
476 return -ENOMEM;
477 }
478
473 ccw_device->handler = NULL; 479 ccw_device->handler = NULL;
474 adapter->ccw_device = ccw_device; 480 adapter->ccw_device = ccw_device;
475 atomic_set(&adapter->refcount, 0); 481 atomic_set(&adapter->refcount, 0);
@@ -523,8 +529,7 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
523 goto sysfs_failed; 529 goto sysfs_failed;
524 530
525 atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status); 531 atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status);
526 532 zfcp_fc_wka_ports_init(adapter);
527 zfcp_fc_nameserver_init(adapter);
528 533
529 if (!zfcp_adapter_scsi_register(adapter)) 534 if (!zfcp_adapter_scsi_register(adapter))
530 return 0; 535 return 0;
@@ -571,6 +576,7 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
571 kfree(adapter->req_list); 576 kfree(adapter->req_list);
572 kfree(adapter->fc_stats); 577 kfree(adapter->fc_stats);
573 kfree(adapter->stats_reset_data); 578 kfree(adapter->stats_reset_data);
579 kfree(adapter->gs);
574 kfree(adapter); 580 kfree(adapter);
575} 581}
576 582
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 2074d45dbf6c..49d0532bca1c 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -22,6 +22,8 @@
22#include <linux/syscalls.h> 22#include <linux/syscalls.h>
23#include <linux/scatterlist.h> 23#include <linux/scatterlist.h>
24#include <linux/ioctl.h> 24#include <linux/ioctl.h>
25#include <scsi/fc/fc_fs.h>
26#include <scsi/fc/fc_gs.h>
25#include <scsi/scsi.h> 27#include <scsi/scsi.h>
26#include <scsi/scsi_tcq.h> 28#include <scsi/scsi_tcq.h>
27#include <scsi/scsi_cmnd.h> 29#include <scsi/scsi_cmnd.h>
@@ -29,6 +31,7 @@
29#include <scsi/scsi_host.h> 31#include <scsi/scsi_host.h>
30#include <scsi/scsi_transport.h> 32#include <scsi/scsi_transport.h>
31#include <scsi/scsi_transport_fc.h> 33#include <scsi/scsi_transport_fc.h>
34#include <scsi/scsi_bsg_fc.h>
32#include <asm/ccwdev.h> 35#include <asm/ccwdev.h>
33#include <asm/qdio.h> 36#include <asm/qdio.h>
34#include <asm/debug.h> 37#include <asm/debug.h>
@@ -228,11 +231,6 @@ struct zfcp_ls_adisc {
228 231
229/* FC-PH/FC-GS well-known address identifiers for generic services */ 232/* FC-PH/FC-GS well-known address identifiers for generic services */
230#define ZFCP_DID_WKA 0xFFFFF0 233#define ZFCP_DID_WKA 0xFFFFF0
231#define ZFCP_DID_MANAGEMENT_SERVICE 0xFFFFFA
232#define ZFCP_DID_TIME_SERVICE 0xFFFFFB
233#define ZFCP_DID_DIRECTORY_SERVICE 0xFFFFFC
234#define ZFCP_DID_ALIAS_SERVICE 0xFFFFF8
235#define ZFCP_DID_KEY_DISTRIBUTION_SERVICE 0xFFFFF7
236 234
237/* remote port status */ 235/* remote port status */
238#define ZFCP_STATUS_PORT_PHYS_OPEN 0x00000001 236#define ZFCP_STATUS_PORT_PHYS_OPEN 0x00000001
@@ -376,6 +374,14 @@ struct zfcp_wka_port {
376 struct delayed_work work; 374 struct delayed_work work;
377}; 375};
378 376
377struct zfcp_wka_ports {
378 struct zfcp_wka_port ms; /* management service */
379 struct zfcp_wka_port ts; /* time service */
380 struct zfcp_wka_port ds; /* directory service */
381 struct zfcp_wka_port as; /* alias service */
382 struct zfcp_wka_port ks; /* key distribution service */
383};
384
379struct zfcp_qdio_queue { 385struct zfcp_qdio_queue {
380 struct qdio_buffer *sbal[QDIO_MAX_BUFFERS_PER_Q]; 386 struct qdio_buffer *sbal[QDIO_MAX_BUFFERS_PER_Q];
381 u8 first; /* index of next free bfr in queue */ 387 u8 first; /* index of next free bfr in queue */
@@ -461,7 +467,7 @@ struct zfcp_adapter {
461 actions */ 467 actions */
462 u32 erp_low_mem_count; /* nr of erp actions waiting 468 u32 erp_low_mem_count; /* nr of erp actions waiting
463 for memory */ 469 for memory */
464 struct zfcp_wka_port nsp; /* adapter's nameserver */ 470 struct zfcp_wka_ports *gs; /* generic services */
465 debug_info_t *rec_dbf; 471 debug_info_t *rec_dbf;
466 debug_info_t *hba_dbf; 472 debug_info_t *hba_dbf;
467 debug_info_t *san_dbf; /* debug feature areas */ 473 debug_info_t *san_dbf; /* debug feature areas */
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index e50ea465bc2b..8030e25152fb 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -719,7 +719,7 @@ static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act)
719 zfcp_qdio_close(adapter); 719 zfcp_qdio_close(adapter);
720 zfcp_fsf_req_dismiss_all(adapter); 720 zfcp_fsf_req_dismiss_all(adapter);
721 adapter->fsf_req_seq_no = 0; 721 adapter->fsf_req_seq_no = 0;
722 zfcp_fc_wka_port_force_offline(&adapter->nsp); 722 zfcp_fc_wka_port_force_offline(&adapter->gs->ds);
723 /* all ports and units are closed */ 723 /* all ports and units are closed */
724 zfcp_erp_modify_adapter_status(adapter, "erascl1", NULL, 724 zfcp_erp_modify_adapter_status(adapter, "erascl1", NULL,
725 ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR); 725 ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR);
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 120a9a1c81f7..3044c6010306 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -106,8 +106,12 @@ extern int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *);
106extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *); 106extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
107extern void zfcp_test_link(struct zfcp_port *); 107extern void zfcp_test_link(struct zfcp_port *);
108extern void zfcp_fc_link_test_work(struct work_struct *); 108extern void zfcp_fc_link_test_work(struct work_struct *);
109extern void zfcp_fc_nameserver_init(struct zfcp_adapter *);
110extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *); 109extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
110extern void zfcp_fc_wka_ports_init(struct zfcp_adapter *);
111extern int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *);
112extern int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *);
113extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *);
114
111 115
112/* zfcp_fsf.c */ 116/* zfcp_fsf.c */
113extern int zfcp_fsf_open_port(struct zfcp_erp_action *); 117extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index bb2752b4130f..da10e0df6879 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -120,14 +120,13 @@ static void zfcp_wka_port_put(struct zfcp_wka_port *wka_port)
120 schedule_delayed_work(&wka_port->work, HZ / 100); 120 schedule_delayed_work(&wka_port->work, HZ / 100);
121} 121}
122 122
123void zfcp_fc_nameserver_init(struct zfcp_adapter *adapter) 123static void zfcp_fc_wka_port_init(struct zfcp_wka_port *wka_port, u32 d_id,
124 struct zfcp_adapter *adapter)
124{ 125{
125 struct zfcp_wka_port *wka_port = &adapter->nsp;
126
127 init_waitqueue_head(&wka_port->completion_wq); 126 init_waitqueue_head(&wka_port->completion_wq);
128 127
129 wka_port->adapter = adapter; 128 wka_port->adapter = adapter;
130 wka_port->d_id = ZFCP_DID_DIRECTORY_SERVICE; 129 wka_port->d_id = d_id;
131 130
132 wka_port->status = ZFCP_WKA_PORT_OFFLINE; 131 wka_port->status = ZFCP_WKA_PORT_OFFLINE;
133 atomic_set(&wka_port->refcount, 0); 132 atomic_set(&wka_port->refcount, 0);
@@ -143,6 +142,17 @@ void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka)
143 mutex_unlock(&wka->mutex); 142 mutex_unlock(&wka->mutex);
144} 143}
145 144
145void zfcp_fc_wka_ports_init(struct zfcp_adapter *adapter)
146{
147 struct zfcp_wka_ports *gs = adapter->gs;
148
149 zfcp_fc_wka_port_init(&gs->ms, FC_FID_MGMT_SERV, adapter);
150 zfcp_fc_wka_port_init(&gs->ts, FC_FID_TIME_SERV, adapter);
151 zfcp_fc_wka_port_init(&gs->ds, FC_FID_DIR_SERV, adapter);
152 zfcp_fc_wka_port_init(&gs->as, FC_FID_ALIASES, adapter);
153 zfcp_fc_wka_port_init(&gs->ks, FC_FID_SEC_KEY, adapter);
154}
155
146static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, 156static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,
147 struct fcp_rscn_element *elem) 157 struct fcp_rscn_element *elem)
148{ 158{
@@ -282,7 +292,7 @@ int static zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action,
282 292
283 /* setup parameters for send generic command */ 293 /* setup parameters for send generic command */
284 gid_pn->port = erp_action->port; 294 gid_pn->port = erp_action->port;
285 gid_pn->ct.wka_port = &adapter->nsp; 295 gid_pn->ct.wka_port = &adapter->gs->ds;
286 gid_pn->ct.handler = zfcp_fc_ns_handler; 296 gid_pn->ct.handler = zfcp_fc_ns_handler;
287 gid_pn->ct.handler_data = (unsigned long) &compl_rec; 297 gid_pn->ct.handler_data = (unsigned long) &compl_rec;
288 gid_pn->ct.timeout = ZFCP_NS_GID_PN_TIMEOUT; 298 gid_pn->ct.timeout = ZFCP_NS_GID_PN_TIMEOUT;
@@ -329,13 +339,13 @@ int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *erp_action)
329 339
330 memset(gid_pn, 0, sizeof(*gid_pn)); 340 memset(gid_pn, 0, sizeof(*gid_pn));
331 341
332 ret = zfcp_wka_port_get(&adapter->nsp); 342 ret = zfcp_wka_port_get(&adapter->gs->ds);
333 if (ret) 343 if (ret)
334 goto out; 344 goto out;
335 345
336 ret = zfcp_fc_ns_gid_pn_request(erp_action, gid_pn); 346 ret = zfcp_fc_ns_gid_pn_request(erp_action, gid_pn);
337 347
338 zfcp_wka_port_put(&adapter->nsp); 348 zfcp_wka_port_put(&adapter->gs->ds);
339out: 349out:
340 mempool_free(gid_pn, adapter->pool.data_gid_pn); 350 mempool_free(gid_pn, adapter->pool.data_gid_pn);
341 return ret; 351 return ret;
@@ -525,7 +535,7 @@ static int zfcp_scan_issue_gpn_ft(struct zfcp_gpn_ft *gpn_ft,
525 req->fc4_type = ZFCP_CT_SCSI_FCP; 535 req->fc4_type = ZFCP_CT_SCSI_FCP;
526 536
527 /* prepare zfcp_send_ct */ 537 /* prepare zfcp_send_ct */
528 ct->wka_port = &adapter->nsp; 538 ct->wka_port = &adapter->gs->ds;
529 ct->handler = zfcp_fc_ns_handler; 539 ct->handler = zfcp_fc_ns_handler;
530 ct->handler_data = (unsigned long)&compl_rec; 540 ct->handler_data = (unsigned long)&compl_rec;
531 ct->timeout = 10; 541 ct->timeout = 10;
@@ -644,7 +654,7 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
644 fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV) 654 fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV)
645 return 0; 655 return 0;
646 656
647 ret = zfcp_wka_port_get(&adapter->nsp); 657 ret = zfcp_wka_port_get(&adapter->gs->ds);
648 if (ret) 658 if (ret)
649 return ret; 659 return ret;
650 660
@@ -666,7 +676,7 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
666 } 676 }
667 zfcp_free_sg_env(gpn_ft, buf_num); 677 zfcp_free_sg_env(gpn_ft, buf_num);
668out: 678out:
669 zfcp_wka_port_put(&adapter->nsp); 679 zfcp_wka_port_put(&adapter->gs->ds);
670 return ret; 680 return ret;
671} 681}
672 682
@@ -675,3 +685,161 @@ void _zfcp_scan_ports_later(struct work_struct *work)
675{ 685{
676 zfcp_scan_ports(container_of(work, struct zfcp_adapter, scan_work)); 686 zfcp_scan_ports(container_of(work, struct zfcp_adapter, scan_work));
677} 687}
688
689struct zfcp_els_fc_job {
690 struct zfcp_send_els els;
691 struct fc_bsg_job *job;
692};
693
694static void zfcp_fc_generic_els_handler(unsigned long data)
695{
696 struct zfcp_els_fc_job *els_fc_job = (struct zfcp_els_fc_job *) data;
697 struct fc_bsg_job *job = els_fc_job->job;
698 struct fc_bsg_reply *reply = job->reply;
699
700 if (els_fc_job->els.status) {
701 /* request rejected or timed out */
702 reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_REJECT;
703 goto out;
704 }
705
706 reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
707 reply->reply_payload_rcv_len = blk_rq_bytes(job->req->next_rq);
708
709out:
710 job->state_flags = FC_RQST_STATE_DONE;
711 job->job_done(job);
712 kfree(els_fc_job);
713}
714
715int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *job)
716{
717 struct zfcp_els_fc_job *els_fc_job;
718 struct fc_rport *rport = job->rport;
719 struct Scsi_Host *shost;
720 struct zfcp_adapter *adapter;
721 struct zfcp_port *port;
722 u8 *port_did;
723
724 shost = rport ? rport_to_shost(rport) : job->shost;
725 adapter = (struct zfcp_adapter *)shost->hostdata[0];
726
727 if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_OPEN))
728 return -EINVAL;
729
730 els_fc_job = kzalloc(sizeof(struct zfcp_els_fc_job), GFP_KERNEL);
731 if (!els_fc_job)
732 return -ENOMEM;
733
734 els_fc_job->els.adapter = adapter;
735 if (rport) {
736 read_lock_irq(&zfcp_data.config_lock);
737 port = rport->dd_data;
738 if (port)
739 zfcp_port_get(port);
740 read_unlock_irq(&zfcp_data.config_lock);
741 if (!port) {
742 kfree(els_fc_job);
743 return -EINVAL;
744 }
745 els_fc_job->els.port = port;
746 els_fc_job->els.d_id = port->d_id;
747 zfcp_port_put(port);
748 } else {
749 port_did = job->request->rqst_data.h_els.port_id;
750 els_fc_job->els.d_id = (port_did[0] << 16) +
751 (port_did[1] << 8) + port_did[2];
752 }
753
754 els_fc_job->els.req = job->request_payload.sg_list;
755 els_fc_job->els.resp = job->reply_payload.sg_list;
756 els_fc_job->els.handler = zfcp_fc_generic_els_handler;
757 els_fc_job->els.handler_data = (unsigned long) els_fc_job;
758 els_fc_job->job = job;
759
760 return zfcp_fsf_send_els(&els_fc_job->els);
761}
762
763struct zfcp_ct_fc_job {
764 struct zfcp_send_ct ct;
765 struct fc_bsg_job *job;
766};
767
768static void zfcp_fc_generic_ct_handler(unsigned long data)
769{
770 struct zfcp_ct_fc_job *ct_fc_job = (struct zfcp_ct_fc_job *) data;
771 struct fc_bsg_job *job = ct_fc_job->job;
772
773 job->reply->reply_data.ctels_reply.status = ct_fc_job->ct.status ?
774 FC_CTELS_STATUS_REJECT : FC_CTELS_STATUS_OK;
775 job->state_flags = FC_RQST_STATE_DONE;
776 job->reply->reply_payload_rcv_len = blk_rq_bytes(job->req->next_rq);
777 job->job_done(job);
778
779 zfcp_wka_port_put(ct_fc_job->ct.wka_port);
780
781 kfree(ct_fc_job);
782}
783
784int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *job)
785{
786 int ret;
787 u8 gs_type;
788 struct fc_rport *rport = job->rport;
789 struct Scsi_Host *shost;
790 struct zfcp_adapter *adapter;
791 struct zfcp_ct_fc_job *ct_fc_job;
792 u32 preamble_word1;
793
794 shost = rport ? rport_to_shost(rport) : job->shost;
795
796 adapter = (struct zfcp_adapter *)shost->hostdata[0];
797 if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_OPEN))
798 return -EINVAL;
799
800 ct_fc_job = kzalloc(sizeof(struct zfcp_ct_fc_job), GFP_KERNEL);
801 if (!ct_fc_job)
802 return -ENOMEM;
803
804 preamble_word1 = job->request->rqst_data.r_ct.preamble_word1;
805 gs_type = (preamble_word1 & 0xff000000) >> 24;
806
807 switch (gs_type) {
808 case FC_FST_ALIAS:
809 ct_fc_job->ct.wka_port = &adapter->gs->as;
810 break;
811 case FC_FST_MGMT:
812 ct_fc_job->ct.wka_port = &adapter->gs->ms;
813 break;
814 case FC_FST_TIME:
815 ct_fc_job->ct.wka_port = &adapter->gs->ts;
816 break;
817 case FC_FST_DIR:
818 ct_fc_job->ct.wka_port = &adapter->gs->ds;
819 break;
820 default:
821 kfree(ct_fc_job);
822 return -EINVAL; /* no such service */
823 }
824
825 ret = zfcp_wka_port_get(ct_fc_job->ct.wka_port);
826 if (ret) {
827 kfree(ct_fc_job);
828 return ret;
829 }
830
831 ct_fc_job->ct.req = job->request_payload.sg_list;
832 ct_fc_job->ct.resp = job->reply_payload.sg_list;
833 ct_fc_job->ct.timeout = ZFCP_FSF_REQUEST_TIMEOUT;
834 ct_fc_job->ct.handler = zfcp_fc_generic_ct_handler;
835 ct_fc_job->ct.handler_data = (unsigned long) ct_fc_job;
836 ct_fc_job->ct.completion = NULL;
837 ct_fc_job->job = job;
838
839 ret = zfcp_fsf_send_ct(&ct_fc_job->ct, NULL, NULL);
840 if (ret) {
841 kfree(ct_fc_job);
842 zfcp_wka_port_put(ct_fc_job->ct.wka_port);
843 }
844 return ret;
845}
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 7d0da230eb63..967ede73f4c5 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -623,6 +623,20 @@ void zfcp_scsi_scan(struct work_struct *work)
623 zfcp_unit_put(unit); 623 zfcp_unit_put(unit);
624} 624}
625 625
626static int zfcp_execute_fc_job(struct fc_bsg_job *job)
627{
628 switch (job->request->msgcode) {
629 case FC_BSG_RPT_ELS:
630 case FC_BSG_HST_ELS_NOLOGIN:
631 return zfcp_fc_execute_els_fc_job(job);
632 case FC_BSG_RPT_CT:
633 case FC_BSG_HST_CT:
634 return zfcp_fc_execute_ct_fc_job(job);
635 default:
636 return -EINVAL;
637 }
638}
639
626struct fc_function_template zfcp_transport_functions = { 640struct fc_function_template zfcp_transport_functions = {
627 .show_starget_port_id = 1, 641 .show_starget_port_id = 1,
628 .show_starget_port_name = 1, 642 .show_starget_port_name = 1,
@@ -644,6 +658,7 @@ struct fc_function_template zfcp_transport_functions = {
644 .dev_loss_tmo_callbk = zfcp_scsi_dev_loss_tmo_callbk, 658 .dev_loss_tmo_callbk = zfcp_scsi_dev_loss_tmo_callbk,
645 .terminate_rport_io = zfcp_scsi_terminate_rport_io, 659 .terminate_rport_io = zfcp_scsi_terminate_rport_io,
646 .show_host_port_state = 1, 660 .show_host_port_state = 1,
661 .bsg_request = zfcp_execute_fc_job,
647 /* no functions registered for following dynamic attributes but 662 /* no functions registered for following dynamic attributes but
648 directly set by LLDD */ 663 directly set by LLDD */
649 .show_host_port_type = 1, 664 .show_host_port_type = 1,