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-rw-r--r--include/scsi/libfc.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index ed3057b4e78d..2c6d55de8ccd 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -640,6 +640,8 @@ struct fc_lport {
/* Associations */
struct Scsi_Host *host;
struct list_head ema_list;
+ struct list_head vports; /* child vports if N_Port */
+ struct fc_vport *vport; /* parent vport if VN_Port */
struct fc_rport_priv *dns_rp;
struct fc_rport_priv *ptp_rp;
void *scsi_priv;
@@ -664,6 +666,8 @@ struct fc_lport {
u32 seq_offload:1; /* seq offload supported */
u32 crc_offload:1; /* crc offload supported */
u32 lro_enabled:1; /* large receive offload */
+ u32 does_npiv:1; /* supports multiple vports */
+ u32 npiv_enabled:1; /* switch/fabric allows NPIV */
u32 mfs; /* max FC payload size */
unsigned int service_params;
unsigned int e_d_tov;
@@ -753,6 +757,7 @@ libfc_host_alloc(struct scsi_host_template *sht, int priv_size)
lport = shost_priv(shost);
lport->host = shost;
INIT_LIST_HEAD(&lport->ema_list);
+ INIT_LIST_HEAD(&lport->vports);
return lport;
}
@@ -805,6 +810,15 @@ int fc_lport_reset(struct fc_lport *);
*/
int fc_set_mfs(struct fc_lport *lp, u32 mfs);
+/*
+ * Allocate a new lport struct for an NPIV VN_Port
+ */
+struct fc_lport *libfc_vport_create(struct fc_vport *vport, int privsize);
+
+/*
+ * Find an NPIV VN_Port by port ID
+ */
+struct fc_lport *fc_vport_id_lookup(struct fc_lport *n_port, u32 port_id);
/*
* REMOTE PORT LAYER
@@ -912,6 +926,12 @@ struct fc_exch_mgr_anchor *fc_exch_mgr_add(struct fc_lport *lport,
void fc_exch_mgr_del(struct fc_exch_mgr_anchor *ema);
/*
+ * Clone an exchange manager list, getting reference holds for each EM.
+ * This is for use with NPIV and sharing the X_ID space between VN_Ports.
+ */
+int fc_exch_mgr_list_clone(struct fc_lport *src, struct fc_lport *dst);
+
+/*
* Allocates an Exchange Manager (EM).
*
* The EM manages exchanges for their allocation and