diff options
Diffstat (limited to 'include/scsi/scsi_transport_fc.h')
| -rw-r--r-- | include/scsi/scsi_transport_fc.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h index 878373c32ef..49d8913c4f8 100644 --- a/include/scsi/scsi_transport_fc.h +++ b/include/scsi/scsi_transport_fc.h @@ -167,6 +167,26 @@ enum fc_tgtid_binding_type { struct device_attribute dev_attr_vport_##_name = \ __ATTR(_name,_mode,_show,_store) +/* + * fc_vport_identifiers: This set of data contains all elements + * to uniquely identify and instantiate a FC virtual port. + * + * Notes: + * symbolic_name: The driver is to append the symbolic_name string data + * to the symbolic_node_name data that it generates by default. + * the resulting combination should then be registered with the switch. + * It is expected that things like Xen may stuff a VM title into + * this field. + */ +#define FC_VPORT_SYMBOLIC_NAMELEN 64 +struct fc_vport_identifiers { + u64 node_name; + u64 port_name; + u32 roles; + bool disable; + enum fc_port_type vport_type; /* only FC_PORTTYPE_NPIV allowed */ + char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN]; +}; /* * FC Virtual Port Attributes @@ -197,7 +217,6 @@ struct device_attribute dev_attr_vport_##_name = \ * managed by the transport w/o driver interaction. */ -#define FC_VPORT_SYMBOLIC_NAMELEN 64 struct fc_vport { /* Fixed Attributes */ @@ -338,6 +357,7 @@ struct fc_rport { /* aka fc_starget_attrs */ /* bit field values for struct fc_rport "flags" field: */ #define FC_RPORT_DEVLOSS_PENDING 0x01 #define FC_RPORT_SCAN_PENDING 0x02 +#define FC_RPORT_FAST_FAIL_TIMEDOUT 0x03 #define dev_to_rport(d) \ container_of(d, struct fc_rport, dev) @@ -659,12 +679,15 @@ fc_remote_port_chkready(struct fc_rport *rport) if (rport->roles & FC_PORT_ROLE_FCP_TARGET) result = 0; else if (rport->flags & FC_RPORT_DEVLOSS_PENDING) - result = DID_IMM_RETRY << 16; + result = DID_TRANSPORT_DISRUPTED << 16; else result = DID_NO_CONNECT << 16; break; case FC_PORTSTATE_BLOCKED: - result = DID_IMM_RETRY << 16; + if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT) + result = DID_TRANSPORT_FAILFAST << 16; + else + result = DID_TRANSPORT_DISRUPTED << 16; break; default: result = DID_NO_CONNECT << 16; @@ -732,6 +755,8 @@ void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number, * be sure to read the Vendor Type and ID formatting requirements * specified in scsi_netlink.h */ +struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel, + struct fc_vport_identifiers *); int fc_vport_terminate(struct fc_vport *vport); #endif /* SCSI_TRANSPORT_FC_H */ |