qla2xxx: Enhancements to enable NPIV support for QLOGIC ISPs with TCM/LIO.

Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

drivers/scsi/qla2xxx/qla_attr.c

@@ -1994,6 +1994,8 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
 
 	vha->flags.delete_progress = 1;
 
+	qlt_remove_target(ha, vha);
+
 	fc_remove_host(vha->host);
 
 	scsi_remove_host(vha->host);

drivers/scsi/qla2xxx/qla_def.h

@@ -2750,6 +2750,13 @@ struct qlfc_fw {
 	uint32_t len;
 };
 
+struct scsi_qlt_host {
+	void *target_lport_ptr;
+	struct mutex tgt_mutex;
+	struct mutex tgt_host_action_mutex;
+	struct qla_tgt *qla_tgt;
+};
+
 struct qlt_hw_data {
 	/* Protected by hw lock */
 	uint32_t enable_class_2:1;
@@ -2765,15 +2772,11 @@ struct qlt_hw_data {
 	uint32_t __iomem *atio_q_in;
 	uint32_t __iomem *atio_q_out;
 
-	void *target_lport_ptr;
 	struct qla_tgt_func_tmpl *tgt_ops;
-	struct qla_tgt *qla_tgt;
 	struct qla_tgt_cmd *cmds[DEFAULT_OUTSTANDING_COMMANDS];
 	uint16_t current_handle;
 
 	struct qla_tgt_vp_map *tgt_vp_map;
-	struct mutex tgt_mutex;
-	struct mutex tgt_host_action_mutex;
 
 	int saved_set;
 	uint16_t saved_exchange_count;
@@ -3441,6 +3444,7 @@ typedef struct scsi_qla_host {
 #define VP_ERR_FAB_LOGOUT	4
 #define VP_ERR_ADAP_NORESOURCES	5
 	struct qla_hw_data *hw;
+	struct scsi_qlt_host vha_tgt;
 	struct req_que *req;
 	int		fw_heartbeat_counter;
 	int		seconds_since_last_heartbeat;

drivers/scsi/qla2xxx/tcm_qla2xxx.h

@@ -70,12 +70,8 @@ struct tcm_qla2xxx_lport {
 	struct tcm_qla2xxx_fc_loopid *lport_loopid_map;
 	/* Pointer to struct scsi_qla_host from qla2xxx LLD */
 	struct scsi_qla_host *qla_vha;
-	/* Pointer to struct scsi_qla_host for NPIV VP from qla2xxx LLD */
-	struct scsi_qla_host *qla_npiv_vp;
 	/* Pointer to struct qla_tgt pointer */
 	struct qla_tgt lport_qla_tgt;
-	/* Pointer to struct fc_vport for NPIV vport from libfc */
-	struct fc_vport *npiv_vport;
 	/* Pointer to TPG=1 for non NPIV mode */
 	struct tcm_qla2xxx_tpg *tpg_1;
 	/* Returned by tcm_qla2xxx_make_lport() */