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-rw-r--r--drivers/s390/scsi/zfcp_ext.h5
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c48
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c72
3 files changed, 82 insertions, 43 deletions
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index d67f31b9b859..4c4be754cf6e 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -125,6 +125,7 @@ extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
struct fsf_qtcb_bottom_port *);
+extern u32 zfcp_fsf_convert_portspeed(u32 fsf_speed);
extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
extern int zfcp_fsf_status_read(struct zfcp_qdio *);
extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
@@ -171,6 +172,10 @@ extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
+extern void zfcp_scsi_shost_update_config_data(
+ struct zfcp_adapter *const adapter,
+ const struct fsf_qtcb_bottom_config *const bottom,
+ const bool bottom_incomplete);
/* zfcp_sysfs.c */
extern const struct attribute_group *zfcp_unit_attr_groups[];
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 111fe3fc32d7..54edfcbe84ce 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -479,7 +479,7 @@ void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *adapter)
#define ZFCP_FSF_PORTSPEED_128GBIT (1 << 8)
#define ZFCP_FSF_PORTSPEED_NOT_NEGOTIATED (1 << 15)
-static u32 zfcp_fsf_convert_portspeed(u32 fsf_speed)
+u32 zfcp_fsf_convert_portspeed(u32 fsf_speed)
{
u32 fdmi_speed = 0;
if (fsf_speed & ZFCP_FSF_PORTSPEED_1GBIT)
@@ -509,64 +509,36 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
{
struct fsf_qtcb_bottom_config *bottom = &req->qtcb->bottom.config;
struct zfcp_adapter *adapter = req->adapter;
- struct Scsi_Host *shost = adapter->scsi_host;
- struct fc_els_flogi *nsp, *plogi;
+ struct fc_els_flogi *plogi;
/* adjust pointers for missing command code */
- nsp = (struct fc_els_flogi *) ((u8 *)&bottom->nport_serv_param
- - sizeof(u32));
plogi = (struct fc_els_flogi *) ((u8 *)&bottom->plogi_payload
- sizeof(u32));
if (req->data)
memcpy(req->data, bottom, sizeof(*bottom));
- snprintf(fc_host_manufacturer(shost), FC_SERIAL_NUMBER_SIZE, "%s",
- "IBM");
- fc_host_port_name(shost) = be64_to_cpu(nsp->fl_wwpn);
- fc_host_node_name(shost) = be64_to_cpu(nsp->fl_wwnn);
- fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
-
adapter->timer_ticks = bottom->timer_interval & ZFCP_FSF_TIMER_INT_MASK;
adapter->stat_read_buf_num = max(bottom->status_read_buf_num,
(u16)FSF_STATUS_READS_RECOM);
- zfcp_scsi_set_prot(adapter);
-
/* no error return above here, otherwise must fix call chains */
/* do not evaluate invalid fields */
if (req->qtcb->header.fsf_status == FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE)
return 0;
- fc_host_port_id(shost) = ntoh24(bottom->s_id);
- fc_host_speed(shost) =
- zfcp_fsf_convert_portspeed(bottom->fc_link_speed);
-
adapter->hydra_version = bottom->adapter_type;
- snprintf(fc_host_model(shost), FC_SYMBOLIC_NAME_SIZE, "0x%04x",
- bottom->adapter_type);
switch (bottom->fc_topology) {
case FSF_TOPO_P2P:
adapter->peer_d_id = ntoh24(bottom->peer_d_id);
adapter->peer_wwpn = be64_to_cpu(plogi->fl_wwpn);
adapter->peer_wwnn = be64_to_cpu(plogi->fl_wwnn);
- fc_host_port_type(shost) = FC_PORTTYPE_PTP;
- fc_host_fabric_name(shost) = 0;
break;
case FSF_TOPO_FABRIC:
- fc_host_fabric_name(shost) = be64_to_cpu(plogi->fl_wwnn);
- if (bottom->connection_features & FSF_FEATURE_NPIV_MODE)
- fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
- else
- fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
break;
case FSF_TOPO_AL:
- fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
- fc_host_fabric_name(shost) = 0;
- fallthrough;
default:
- fc_host_fabric_name(shost) = 0;
dev_err(&adapter->ccw_device->dev,
"Unknown or unsupported arbitrated loop "
"fibre channel topology detected\n");
@@ -584,13 +556,10 @@ static void zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *req)
&adapter->diagnostics->config_data.header;
struct fsf_qtcb *qtcb = req->qtcb;
struct fsf_qtcb_bottom_config *bottom = &qtcb->bottom.config;
- struct Scsi_Host *shost = adapter->scsi_host;
if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
return;
- snprintf(fc_host_firmware_version(shost), FC_VERSION_STRING_SIZE,
- "0x%08x", bottom->lic_version);
adapter->fsf_lic_version = bottom->lic_version;
adapter->adapter_features = bottom->adapter_features;
adapter->connection_features = bottom->connection_features;
@@ -606,6 +575,7 @@ static void zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *req)
*/
zfcp_diag_update_xdata(diag_hdr, bottom, false);
+ zfcp_scsi_shost_update_config_data(adapter, bottom, false);
if (zfcp_fsf_exchange_config_evaluate(req))
return;
@@ -630,6 +600,8 @@ static void zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *req)
&adapter->status);
zfcp_fsf_link_down_info_eval(req,
&qtcb->header.fsf_status_qual.link_down_info);
+
+ zfcp_scsi_shost_update_config_data(adapter, bottom, true);
if (zfcp_fsf_exchange_config_evaluate(req))
return;
break;
@@ -638,16 +610,8 @@ static void zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *req)
return;
}
- if (adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT) {
+ if (adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT)
adapter->hardware_version = bottom->hardware_version;
- snprintf(fc_host_hardware_version(shost),
- FC_VERSION_STRING_SIZE,
- "0x%08x", bottom->hardware_version);
- memcpy(fc_host_serial_number(shost), bottom->serial_number,
- min(FC_SERIAL_NUMBER_SIZE, 17));
- EBCASC(fc_host_serial_number(shost),
- min(FC_SERIAL_NUMBER_SIZE, 17));
- }
if (FSF_QTCB_CURRENT_VERSION < bottom->low_qtcb_version) {
dev_err(&adapter->ccw_device->dev,
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 13d873f806e4..e1281a1ce488 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -4,7 +4,7 @@
*
* Interface to Linux SCSI midlayer.
*
- * Copyright IBM Corp. 2002, 2018
+ * Copyright IBM Corp. 2002, 2020
*/
#define KMSG_COMPONENT "zfcp"
@@ -841,6 +841,76 @@ void zfcp_scsi_dif_sense_error(struct scsi_cmnd *scmd, int ascq)
set_host_byte(scmd, DID_SOFT_ERROR);
}
+void zfcp_scsi_shost_update_config_data(
+ struct zfcp_adapter *const adapter,
+ const struct fsf_qtcb_bottom_config *const bottom,
+ const bool bottom_incomplete)
+{
+ struct Scsi_Host *const shost = adapter->scsi_host;
+ const struct fc_els_flogi *nsp, *plogi;
+
+ if (shost == NULL)
+ return;
+
+ snprintf(fc_host_firmware_version(shost), FC_VERSION_STRING_SIZE,
+ "0x%08x", bottom->lic_version);
+
+ if (adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT) {
+ snprintf(fc_host_hardware_version(shost),
+ FC_VERSION_STRING_SIZE,
+ "0x%08x", bottom->hardware_version);
+ memcpy(fc_host_serial_number(shost), bottom->serial_number,
+ min(FC_SERIAL_NUMBER_SIZE, 17));
+ EBCASC(fc_host_serial_number(shost),
+ min(FC_SERIAL_NUMBER_SIZE, 17));
+ }
+
+ /* adjust pointers for missing command code */
+ nsp = (struct fc_els_flogi *) ((u8 *)&bottom->nport_serv_param
+ - sizeof(u32));
+ plogi = (struct fc_els_flogi *) ((u8 *)&bottom->plogi_payload
+ - sizeof(u32));
+
+ snprintf(fc_host_manufacturer(shost), FC_SERIAL_NUMBER_SIZE, "%s",
+ "IBM");
+ fc_host_port_name(shost) = be64_to_cpu(nsp->fl_wwpn);
+ fc_host_node_name(shost) = be64_to_cpu(nsp->fl_wwnn);
+ fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
+
+ zfcp_scsi_set_prot(adapter);
+
+ /* do not evaluate invalid fields */
+ if (bottom_incomplete)
+ return;
+
+ fc_host_port_id(shost) = ntoh24(bottom->s_id);
+ fc_host_speed(shost) =
+ zfcp_fsf_convert_portspeed(bottom->fc_link_speed);
+
+ snprintf(fc_host_model(shost), FC_SYMBOLIC_NAME_SIZE, "0x%04x",
+ bottom->adapter_type);
+
+ switch (bottom->fc_topology) {
+ case FSF_TOPO_P2P:
+ fc_host_port_type(shost) = FC_PORTTYPE_PTP;
+ fc_host_fabric_name(shost) = 0;
+ break;
+ case FSF_TOPO_FABRIC:
+ fc_host_fabric_name(shost) = be64_to_cpu(plogi->fl_wwnn);
+ if (bottom->connection_features & FSF_FEATURE_NPIV_MODE)
+ fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
+ else
+ fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
+ break;
+ case FSF_TOPO_AL:
+ fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
+ fallthrough;
+ default:
+ fc_host_fabric_name(shost) = 0;
+ break;
+ }
+}
+
struct fc_function_template zfcp_transport_functions = {
.show_starget_port_id = 1,
.show_starget_port_name = 1,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.