[SCSI] zfcp: Move WKA port to zfcp FC code

The well-known-address (WKA) port handling code is part of the FC code
in zfcp. Move everything WKA related to the zfcp_fc files and use the
common zfcp_fc prefix for structs and functions. Drop the unused key
management service while renaming the struct, no request could ever
reach this service in zfcp and it is obsolete anyway.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 50 insertions, 0 deletions

diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h
index 12fc6ebbc244..9c787e043ff8 100644
--- a/drivers/s390/scsi/zfcp_fc.h
+++ b/drivers/s390/scsi/zfcp_fc.h
@@ -112,6 +112,56 @@ struct zfcp_fc_els_adisc {
 };
 
 /**
+ * enum zfcp_fc_wka_status - FC WKA port status in zfcp
+ * @ZFCP_FC_WKA_PORT_OFFLINE: Port is closed and not in use
+ * @ZFCP_FC_WKA_PORT_CLOSING: The FSF "close port" request is pending
+ * @ZFCP_FC_WKA_PORT_OPENING: The FSF "open port" request is pending
+ * @ZFCP_FC_WKA_PORT_ONLINE: The port is open and the port handle is valid
+ */
+enum zfcp_fc_wka_status {
+        ZFCP_FC_WKA_PORT_OFFLINE,
+        ZFCP_FC_WKA_PORT_CLOSING,
+        ZFCP_FC_WKA_PORT_OPENING,
+        ZFCP_FC_WKA_PORT_ONLINE,
+};
+
+/**
+ * struct zfcp_fc_wka_port - representation of well-known-address (WKA) FC port
+ * @adapter: Pointer to adapter structure this WKA port belongs to
+ * @completion_wq: Wait for completion of open/close command
+ * @status: Current status of WKA port
+ * @refcount: Reference count to keep port open as long as it is in use
+ * @d_id: FC destination id or well-known-address
+ * @handle: FSF handle for the open WKA port
+ * @mutex: Mutex used during opening/closing state changes
+ * @work: For delaying the closing of the WKA port
+ */
+struct zfcp_fc_wka_port {
+        struct zfcp_adapter     *adapter;
+        wait_queue_head_t       completion_wq;
+        enum zfcp_fc_wka_status status;
+        atomic_t                refcount;
+        u32                     d_id;
+        u32                     handle;
+        struct mutex            mutex;
+        struct delayed_work     work;
+};
+
+/**
+ * struct zfcp_fc_wka_ports - Data structures for FC generic services
+ * @ms: FC Management service
+ * @ts: FC time service
+ * @ds: FC directory service
+ * @as: FC alias service
+ */
+struct zfcp_fc_wka_ports {
+        struct zfcp_fc_wka_port ms;
+        struct zfcp_fc_wka_port ts;
+        struct zfcp_fc_wka_port ds;
+        struct zfcp_fc_wka_port as;
+};
+
+/**
  * zfcp_fc_scsi_to_fcp - setup FCP command with data from scsi_cmnd
  * @fcp: fcp_cmnd to setup
  * @scsi: scsi_cmnd where to get LUN, task attributes/flags and CDB