[SCSI] lpfc: NPIV: add NPIV support on top of SLI-3

NPIV support is added to the driver.  It utilizes the interfaces of
the fc transport for the creation and deletion of vports. Within the
driver, a new Scsi_Host is created for each NPIV instance, and is
paired with a new instance of a FC port.  This allows N FC Port
elements to share a single Adapter.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 56 insertions, 15 deletions

diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 77693072705..94e78819956 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -28,15 +28,18 @@ int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport);
 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
-int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
+int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
-int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *,
-		   uint32_t);
-void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
-void lpfc_unreg_did(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
+int lpfc_reg_login(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
+		   LPFC_MBOXQ_t *, uint32_t);
+void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
+void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
+void lpfc_reg_vpi(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
+void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
 
+void lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove);
 int lpfc_linkdown(struct lpfc_hba *);
 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
 
@@ -51,6 +54,10 @@ void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
 void lpfc_set_disctmo(struct lpfc_vport *);
 int  lpfc_can_disctmo(struct lpfc_vport *);
 int  lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
+void lpfc_unreg_all_rpis(struct lpfc_vport *);
+void lpfc_unreg_default_rpis(struct lpfc_vport *);
+void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
+
 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
 			struct lpfc_iocbq *, struct lpfc_nodelist *);
 void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
@@ -60,25 +67,33 @@ struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
 void lpfc_disc_list_loopmap(struct lpfc_vport *);
 void lpfc_disc_start(struct lpfc_vport *);
 void lpfc_disc_flush_list(struct lpfc_vport *);
+void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
 void lpfc_disc_timeout(unsigned long);
 
 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
 struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
 
+void lpfc_worker_wake_up(struct lpfc_hba *);
 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
 int lpfc_do_work(void *);
 int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
 			    uint32_t);
 
+void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
+			struct lpfc_nodelist *);
+void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
 		     struct serv_parm *, uint32_t);
-int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist * ndlp);
+int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
 int lpfc_els_abort_flogi(struct lpfc_hba *);
 int lpfc_initial_flogi(struct lpfc_vport *);
+int lpfc_initial_fdisc(struct lpfc_vport *);
+int lpfc_issue_els_fdisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
 int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
 int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
 int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
 int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
+int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
 int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
 int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
@@ -95,7 +110,7 @@ void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 			  struct lpfc_iocbq *);
 int lpfc_els_handle_rscn(struct lpfc_vport *);
-int lpfc_els_flush_rscn(struct lpfc_vport *);
+void lpfc_els_flush_rscn(struct lpfc_vport *);
 int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
 void lpfc_els_flush_cmd(struct lpfc_vport *);
 int lpfc_els_disc_adisc(struct lpfc_vport *);
@@ -105,7 +120,7 @@ void lpfc_els_timeout_handler(struct lpfc_vport *);
 
 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 			 struct lpfc_iocbq *);
-int lpfc_ns_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
+int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
 void lpfc_fdmi_tmo(unsigned long);
 void lpfc_fdmi_timeout_handler(struct lpfc_vport *vport);
@@ -136,6 +151,7 @@ void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
+void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
 
 void lpfc_config_hbq(struct lpfc_hba *, struct lpfc_hbq_init *, uint32_t ,
@@ -144,6 +160,7 @@ struct lpfc_hbq_entry * lpfc_sli_next_hbq_slot(struct lpfc_hba *, uint32_t);
 
 int lpfc_mem_alloc(struct lpfc_hba *);
 void lpfc_mem_free(struct lpfc_hba *);
+void lpfc_stop_vport_timers(struct lpfc_vport *);
 
 void lpfc_poll_timeout(unsigned long ptr);
 void lpfc_poll_start_timer(struct lpfc_hba * phba);
@@ -176,11 +193,10 @@ int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
 					     struct lpfc_sli_ring *,
 					     dma_addr_t);
-int lpfc_sli_hbqbuf_fill_hbq(struct lpfc_hba *);
-void lpfc_sli_hbqbuf_free(struct lpfc_hba *, void *, dma_addr_t);
+int lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *, uint32_t);
+int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
 void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
 struct hbq_dmabuf *lpfc_sli_hbqbuf_find(struct lpfc_hba *, uint32_t);
-void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
 int lpfc_sli_hbq_size(void);
 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
 			       struct lpfc_iocbq *);
@@ -192,12 +208,15 @@ int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
 void lpfc_mbox_timeout(unsigned long);
 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
 
+struct lpfc_nodelist *__lpfc_find_node(struct lpfc_vport *, node_filter,
+				       void *);
+struct lpfc_nodelist *lpfc_find_node(struct lpfc_vport *, node_filter, void *);
 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
 					 struct lpfc_name *);
 
 int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
-			 uint32_t timeout);
+			     uint32_t timeout);
 
 int lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
 			     struct lpfc_sli_ring * pring,
@@ -210,11 +229,13 @@ void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba,
 
 void *lpfc_hbq_alloc(struct lpfc_hba *, int, dma_addr_t *);
 void lpfc_hbq_free(struct lpfc_hba *, void *, dma_addr_t);
+void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
 
 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
 void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
 
+void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
 /* Function prototypes. */
 const char* lpfc_info(struct Scsi_Host *);
 void lpfc_scan_start(struct Scsi_Host *);
@@ -226,14 +247,34 @@ void lpfc_free_sysfs_attr(struct lpfc_vport *);
 extern struct class_device_attribute *lpfc_hba_attrs[];
 extern struct scsi_host_template lpfc_template;
 extern struct fc_function_template lpfc_transport_functions;
+extern struct fc_function_template lpfc_vport_transport_functions;
 extern int lpfc_sli_mode;
+extern int lpfc_npiv_enable;
 
-void lpfc_get_hba_sym_node_name(struct lpfc_hba *phba, uint8_t *symbp);
+int  lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
 void lpfc_terminate_rport_io(struct fc_rport *);
 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
 
-struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int);
-void lpfc_post_hba_setup_vport_init(struct lpfc_vport *);
+struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct fc_vport *);
+int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
+void lpfc_mbx_unreg_vpi(struct lpfc_vport *);
 void destroy_port(struct lpfc_vport *);
+int lpfc_get_instance(void);
+void lpfc_host_attrib_init(struct Scsi_Host *);
+
+/* Interface exported by fabric iocb scheduler */
+int lpfc_issue_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
+void lpfc_fabric_abort_vport(struct lpfc_vport *);
+void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
+void lpfc_fabric_abort_hba(struct lpfc_hba *);
+void lpfc_fabric_abort_flogi(struct lpfc_hba *);
+void lpfc_fabric_block_timeout(unsigned long);
+void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
+void lpfc_adjust_queue_depth(struct lpfc_hba *);
+void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
+void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
 
 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
+#define HBA_EVENT_RSCN                   5
+#define HBA_EVENT_LINK_UP                2
+#define HBA_EVENT_LINK_DOWN              3