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author <jejb@titanic.il.steeleye.com>2005-04-11 00:04:28 -0400
committerJames Bottomley <jejb@titanic>2005-04-18 13:34:41 -0400
commit6f71d9bc025b02a8cbc2be83b0226a7043a507a5 (patch)
tree01caefa8cdcb986b0a698c640a6a59d89e69db62 /drivers
parentf4c2c15b930b23edaa633b09fe3f4c01b4ecce9f (diff)
zfcp: add point-2-point support
From: Andreas Herrmann <aherrman@de.ibm.com> This patch mainly introduces support for point-2-point topology. From: Heiko Carstens <heiko.carstens@de.ibm.com> From: Maxim Shchetynin <maxim@de.ibm.com> From: Andreas Herrmann <aherrman@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/s390/scsi/zfcp_aux.c4
-rw-r--r--drivers/s390/scsi/zfcp_def.h5
-rw-r--r--drivers/s390/scsi/zfcp_erp.c20
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c38
-rw-r--r--drivers/s390/scsi/zfcp_fsf.h6
-rw-r--r--drivers/s390/scsi/zfcp_sysfs_adapter.c6
6 files changed, 65 insertions, 14 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 6a43322ccb0a..a393cf4d0313 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -89,10 +89,10 @@ MODULE_DESCRIPTION
89 ("FCP (SCSI over Fibre Channel) HBA driver for IBM eServer zSeries"); 89 ("FCP (SCSI over Fibre Channel) HBA driver for IBM eServer zSeries");
90MODULE_LICENSE("GPL"); 90MODULE_LICENSE("GPL");
91 91
92module_param(device, charp, 0); 92module_param(device, charp, 0400);
93MODULE_PARM_DESC(device, "specify initial device"); 93MODULE_PARM_DESC(device, "specify initial device");
94 94
95module_param(loglevel, uint, 0); 95module_param(loglevel, uint, 0400);
96MODULE_PARM_DESC(loglevel, 96MODULE_PARM_DESC(loglevel,
97 "log levels, 8 nibbles: " 97 "log levels, 8 nibbles: "
98 "FC ERP QDIO CIO Config FSF SCSI Other, " 98 "FC ERP QDIO CIO Config FSF SCSI Other, "
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 53fcccbb424c..0afa1c4696ca 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -70,7 +70,7 @@
70/********************* GENERAL DEFINES *********************************/ 70/********************* GENERAL DEFINES *********************************/
71 71
72/* zfcp version number, it consists of major, minor, and patch-level number */ 72/* zfcp version number, it consists of major, minor, and patch-level number */
73#define ZFCP_VERSION "4.2.0" 73#define ZFCP_VERSION "4.3.0"
74 74
75/** 75/**
76 * zfcp_sg_to_address - determine kernel address from struct scatterlist 76 * zfcp_sg_to_address - determine kernel address from struct scatterlist
@@ -851,6 +851,9 @@ struct zfcp_adapter {
851 wwn_t wwnn; /* WWNN */ 851 wwn_t wwnn; /* WWNN */
852 wwn_t wwpn; /* WWPN */ 852 wwn_t wwpn; /* WWPN */
853 fc_id_t s_id; /* N_Port ID */ 853 fc_id_t s_id; /* N_Port ID */
854 wwn_t peer_wwnn; /* P2P peer WWNN */
855 wwn_t peer_wwpn; /* P2P peer WWPN */
856 fc_id_t peer_d_id; /* P2P peer D_ID */
854 struct ccw_device *ccw_device; /* S/390 ccw device */ 857 struct ccw_device *ccw_device; /* S/390 ccw device */
855 u8 fc_service_class; 858 u8 fc_service_class;
856 u32 fc_topology; /* FC topology */ 859 u32 fc_topology; /* FC topology */
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index cfc0d8c588df..53ebc1cdfe2d 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -2568,6 +2568,23 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
2568 case ZFCP_ERP_STEP_UNINITIALIZED: 2568 case ZFCP_ERP_STEP_UNINITIALIZED:
2569 case ZFCP_ERP_STEP_PHYS_PORT_CLOSING: 2569 case ZFCP_ERP_STEP_PHYS_PORT_CLOSING:
2570 case ZFCP_ERP_STEP_PORT_CLOSING: 2570 case ZFCP_ERP_STEP_PORT_CLOSING:
2571 if (adapter->fc_topology == FSF_TOPO_P2P) {
2572 if (port->wwpn != adapter->peer_wwpn) {
2573 ZFCP_LOG_NORMAL("Failed to open port 0x%016Lx "
2574 "on adapter %s.\nPeer WWPN "
2575 "0x%016Lx does not match\n",
2576 port->wwpn,
2577 zfcp_get_busid_by_adapter(adapter),
2578 adapter->peer_wwpn);
2579 zfcp_erp_port_failed(port);
2580 retval = ZFCP_ERP_FAILED;
2581 break;
2582 }
2583 port->d_id = adapter->peer_d_id;
2584 atomic_set_mask(ZFCP_STATUS_PORT_DID_DID, &port->status);
2585 retval = zfcp_erp_port_strategy_open_port(erp_action);
2586 break;
2587 }
2571 if (!(adapter->nameserver_port)) { 2588 if (!(adapter->nameserver_port)) {
2572 retval = zfcp_nameserver_enqueue(adapter); 2589 retval = zfcp_nameserver_enqueue(adapter);
2573 if (retval != 0) { 2590 if (retval != 0) {
@@ -3516,8 +3533,9 @@ zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter)
3516 debug_text_event(adapter->erp_dbf, 3, "a_access_unblock"); 3533 debug_text_event(adapter->erp_dbf, 3, "a_access_unblock");
3517 debug_event(adapter->erp_dbf, 3, &adapter->name, 8); 3534 debug_event(adapter->erp_dbf, 3, &adapter->name, 8);
3518 3535
3519 zfcp_erp_port_access_changed(adapter->nameserver_port);
3520 read_lock_irqsave(&zfcp_data.config_lock, flags); 3536 read_lock_irqsave(&zfcp_data.config_lock, flags);
3537 if (adapter->nameserver_port)
3538 zfcp_erp_port_access_changed(adapter->nameserver_port);
3521 list_for_each_entry(port, &adapter->port_list_head, list) 3539 list_for_each_entry(port, &adapter->port_list_head, list)
3522 if (port != adapter->nameserver_port) 3540 if (port != adapter->nameserver_port)
3523 zfcp_erp_port_access_changed(port); 3541 zfcp_erp_port_access_changed(port);
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 578b9fbe5206..148b11c822bf 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -2107,6 +2107,9 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
2107 bottom->low_qtcb_version, bottom->high_qtcb_version); 2107 bottom->low_qtcb_version, bottom->high_qtcb_version);
2108 adapter->fsf_lic_version = bottom->lic_version; 2108 adapter->fsf_lic_version = bottom->lic_version;
2109 adapter->supported_features = bottom->supported_features; 2109 adapter->supported_features = bottom->supported_features;
2110 adapter->peer_wwpn = 0;
2111 adapter->peer_wwnn = 0;
2112 adapter->peer_d_id = 0;
2110 2113
2111 if (xchg_ok) { 2114 if (xchg_ok) {
2112 adapter->wwnn = bottom->nport_serv_param.wwnn; 2115 adapter->wwnn = bottom->nport_serv_param.wwnn;
@@ -2124,13 +2127,19 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
2124 adapter->hydra_version = 0; 2127 adapter->hydra_version = 0;
2125 } 2128 }
2126 2129
2130 if (adapter->fc_topology == FSF_TOPO_P2P) {
2131 adapter->peer_d_id = bottom->peer_d_id & ZFCP_DID_MASK;
2132 adapter->peer_wwpn = bottom->plogi_payload.wwpn;
2133 adapter->peer_wwnn = bottom->plogi_payload.wwnn;
2134 }
2135
2127 if(adapter->supported_features & FSF_FEATURE_HBAAPI_MANAGEMENT){ 2136 if(adapter->supported_features & FSF_FEATURE_HBAAPI_MANAGEMENT){
2128 adapter->hardware_version = bottom->hardware_version; 2137 adapter->hardware_version = bottom->hardware_version;
2129 memcpy(adapter->serial_number, bottom->serial_number, 17); 2138 memcpy(adapter->serial_number, bottom->serial_number, 17);
2130 EBCASC(adapter->serial_number, sizeof(adapter->serial_number)); 2139 EBCASC(adapter->serial_number, sizeof(adapter->serial_number));
2131 } 2140 }
2132 2141
2133 ZFCP_LOG_INFO("The adapter %s reported the following characteristics:\n" 2142 ZFCP_LOG_NORMAL("The adapter %s reported the following characteristics:\n"
2134 "WWNN 0x%016Lx, " 2143 "WWNN 0x%016Lx, "
2135 "WWPN 0x%016Lx, " 2144 "WWPN 0x%016Lx, "
2136 "S_ID 0x%08x,\n" 2145 "S_ID 0x%08x,\n"
@@ -2194,14 +2203,18 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
2194 switch (adapter->fc_topology) { 2203 switch (adapter->fc_topology) {
2195 case FSF_TOPO_P2P: 2204 case FSF_TOPO_P2P:
2196 ZFCP_LOG_FLAGS(1, "FSF_TOPO_P2P\n"); 2205 ZFCP_LOG_FLAGS(1, "FSF_TOPO_P2P\n");
2197 ZFCP_LOG_NORMAL("error: Point-to-point fibrechannel " 2206 ZFCP_LOG_NORMAL("Point-to-Point fibrechannel "
2198 "configuration detected at adapter %s " 2207 "configuration detected at adapter %s\n"
2199 "unsupported, shutting down adapter\n", 2208 "Peer WWNN 0x%016llx, "
2200 zfcp_get_busid_by_adapter(adapter)); 2209 "peer WWPN 0x%016llx, "
2210 "peer d_id 0x%06x\n",
2211 zfcp_get_busid_by_adapter(adapter),
2212 adapter->peer_wwnn,
2213 adapter->peer_wwpn,
2214 adapter->peer_d_id);
2201 debug_text_event(fsf_req->adapter->erp_dbf, 0, 2215 debug_text_event(fsf_req->adapter->erp_dbf, 0,
2202 "top-p-to-p"); 2216 "top-p-to-p");
2203 zfcp_erp_adapter_shutdown(adapter, 0); 2217 break;
2204 return -EIO;
2205 case FSF_TOPO_AL: 2218 case FSF_TOPO_AL:
2206 ZFCP_LOG_FLAGS(1, "FSF_TOPO_AL\n"); 2219 ZFCP_LOG_FLAGS(1, "FSF_TOPO_AL\n");
2207 ZFCP_LOG_NORMAL("error: Arbitrated loop fibrechannel " 2220 ZFCP_LOG_NORMAL("error: Arbitrated loop fibrechannel "
@@ -2226,6 +2239,7 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
2226 "of a type known to the zfcp " 2239 "of a type known to the zfcp "
2227 "driver, shutting down adapter\n", 2240 "driver, shutting down adapter\n",
2228 zfcp_get_busid_by_adapter(adapter)); 2241 zfcp_get_busid_by_adapter(adapter));
2242 adapter->fc_topology = FSF_TOPO_ERROR;
2229 debug_text_exception(fsf_req->adapter->erp_dbf, 0, 2243 debug_text_exception(fsf_req->adapter->erp_dbf, 0,
2230 "unknown-topo"); 2244 "unknown-topo");
2231 zfcp_erp_adapter_shutdown(adapter, 0); 2245 zfcp_erp_adapter_shutdown(adapter, 0);
@@ -4281,6 +4295,7 @@ zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *fsf_req)
4281 bottom.io.fcp_cmnd, FSF_FCP_CMND_SIZE); 4295 bottom.io.fcp_cmnd, FSF_FCP_CMND_SIZE);
4282 zfcp_cmd_dbf_event_fsf("undeffcp", fsf_req, NULL, 0); 4296 zfcp_cmd_dbf_event_fsf("undeffcp", fsf_req, NULL, 0);
4283 set_host_byte(&scpnt->result, DID_ERROR); 4297 set_host_byte(&scpnt->result, DID_ERROR);
4298 goto skip_fsfstatus;
4284 } 4299 }
4285 } 4300 }
4286 4301
@@ -4334,7 +4349,7 @@ zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *fsf_req)
4334 4349
4335 scpnt->resid = fcp_rsp_iu->fcp_resid; 4350 scpnt->resid = fcp_rsp_iu->fcp_resid;
4336 if (scpnt->request_bufflen - scpnt->resid < scpnt->underflow) 4351 if (scpnt->request_bufflen - scpnt->resid < scpnt->underflow)
4337 scpnt->result |= DID_ERROR << 16; 4352 set_host_byte(&scpnt->result, DID_ERROR);
4338 } 4353 }
4339 4354
4340 skip_fsfstatus: 4355 skip_fsfstatus:
@@ -4607,6 +4622,13 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req)
4607 if (bottom->operation_subtype == FSF_CFDC_OPERATION_SUBTYPE) { 4622 if (bottom->operation_subtype == FSF_CFDC_OPERATION_SUBTYPE) {
4608 switch (header->fsf_status_qual.word[0]) { 4623 switch (header->fsf_status_qual.word[0]) {
4609 4624
4625 case FSF_SQ_CFDC_HARDENED_ON_SE:
4626 ZFCP_LOG_NORMAL(
4627 "CFDC on the adapter %s has being "
4628 "hardened on primary and secondary SE\n",
4629 zfcp_get_busid_by_adapter(adapter));
4630 break;
4631
4610 case FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE: 4632 case FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE:
4611 ZFCP_LOG_NORMAL( 4633 ZFCP_LOG_NORMAL(
4612 "CFDC of the adapter %s could not " 4634 "CFDC of the adapter %s could not "
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index 5889956bbf08..07140dfda2a7 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -129,6 +129,7 @@
129#define FSF_SQ_NO_RETRY_POSSIBLE 0x07 129#define FSF_SQ_NO_RETRY_POSSIBLE 0x07
130 130
131/* FSF status qualifier for CFDC commands */ 131/* FSF status qualifier for CFDC commands */
132#define FSF_SQ_CFDC_HARDENED_ON_SE 0x00000000
132#define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE 0x00000001 133#define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE 0x00000001
133#define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE2 0x00000002 134#define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE2 0x00000002
134/* CFDC subtable codes */ 135/* CFDC subtable codes */
@@ -357,7 +358,6 @@ struct fsf_nport_serv_param {
357 u8 class3_serv_param[16]; 358 u8 class3_serv_param[16];
358 u8 class4_serv_param[16]; 359 u8 class4_serv_param[16];
359 u8 vendor_version_level[16]; 360 u8 vendor_version_level[16];
360 u8 res1[16];
361} __attribute__ ((packed)); 361} __attribute__ ((packed));
362 362
363struct fsf_plogi { 363struct fsf_plogi {
@@ -415,11 +415,13 @@ struct fsf_qtcb_bottom_config {
415 u8 res2[12]; 415 u8 res2[12];
416 u32 s_id; 416 u32 s_id;
417 struct fsf_nport_serv_param nport_serv_param; 417 struct fsf_nport_serv_param nport_serv_param;
418 u8 reserved_nport_serv_param[16];
418 u8 res3[8]; 419 u8 res3[8];
419 u32 adapter_ports; 420 u32 adapter_ports;
420 u32 hardware_version; 421 u32 hardware_version;
421 u8 serial_number[32]; 422 u8 serial_number[32];
422 u8 res4[272]; 423 struct fsf_nport_serv_param plogi_payload;
424 u8 res4[160];
423} __attribute__ ((packed)); 425} __attribute__ ((packed));
424 426
425struct fsf_qtcb_bottom_port { 427struct fsf_qtcb_bottom_port {
diff --git a/drivers/s390/scsi/zfcp_sysfs_adapter.c b/drivers/s390/scsi/zfcp_sysfs_adapter.c
index ff28ade1dfc7..23e2dca55bb8 100644
--- a/drivers/s390/scsi/zfcp_sysfs_adapter.c
+++ b/drivers/s390/scsi/zfcp_sysfs_adapter.c
@@ -65,6 +65,9 @@ ZFCP_DEFINE_ADAPTER_ATTR(status, "0x%08x\n", atomic_read(&adapter->status));
65ZFCP_DEFINE_ADAPTER_ATTR(wwnn, "0x%016llx\n", adapter->wwnn); 65ZFCP_DEFINE_ADAPTER_ATTR(wwnn, "0x%016llx\n", adapter->wwnn);
66ZFCP_DEFINE_ADAPTER_ATTR(wwpn, "0x%016llx\n", adapter->wwpn); 66ZFCP_DEFINE_ADAPTER_ATTR(wwpn, "0x%016llx\n", adapter->wwpn);
67ZFCP_DEFINE_ADAPTER_ATTR(s_id, "0x%06x\n", adapter->s_id); 67ZFCP_DEFINE_ADAPTER_ATTR(s_id, "0x%06x\n", adapter->s_id);
68ZFCP_DEFINE_ADAPTER_ATTR(peer_wwnn, "0x%016llx\n", adapter->peer_wwnn);
69ZFCP_DEFINE_ADAPTER_ATTR(peer_wwpn, "0x%016llx\n", adapter->peer_wwpn);
70ZFCP_DEFINE_ADAPTER_ATTR(peer_d_id, "0x%06x\n", adapter->peer_d_id);
68ZFCP_DEFINE_ADAPTER_ATTR(card_version, "0x%04x\n", adapter->hydra_version); 71ZFCP_DEFINE_ADAPTER_ATTR(card_version, "0x%04x\n", adapter->hydra_version);
69ZFCP_DEFINE_ADAPTER_ATTR(lic_version, "0x%08x\n", adapter->fsf_lic_version); 72ZFCP_DEFINE_ADAPTER_ATTR(lic_version, "0x%08x\n", adapter->fsf_lic_version);
70ZFCP_DEFINE_ADAPTER_ATTR(fc_link_speed, "%d Gb/s\n", adapter->fc_link_speed); 73ZFCP_DEFINE_ADAPTER_ATTR(fc_link_speed, "%d Gb/s\n", adapter->fc_link_speed);
@@ -255,6 +258,9 @@ static struct attribute *zfcp_adapter_attrs[] = {
255 &dev_attr_wwnn.attr, 258 &dev_attr_wwnn.attr,
256 &dev_attr_wwpn.attr, 259 &dev_attr_wwpn.attr,
257 &dev_attr_s_id.attr, 260 &dev_attr_s_id.attr,
261 &dev_attr_peer_wwnn.attr,
262 &dev_attr_peer_wwpn.attr,
263 &dev_attr_peer_d_id.attr,
258 &dev_attr_card_version.attr, 264 &dev_attr_card_version.attr,
259 &dev_attr_lic_version.attr, 265 &dev_attr_lic_version.attr,
260 &dev_attr_fc_link_speed.attr, 266 &dev_attr_fc_link_speed.attr,