21 files changed, 722 insertions, 749 deletions

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index b67ad30d56e6..70cfc94c3d43 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -2732,7 +2732,7 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
 	spin_lock_irqsave(host->host_lock, flags);
 	/* Confirm port has not reappeared before clearing pointers. */
 	if (rport->port_state != FC_PORTSTATE_ONLINE) {
-		fcport->rport = fcport->drport = NULL;
+		fcport->rport = NULL;
 		*((fc_port_t **)rport->dd_data) = NULL;
 	}
 	spin_unlock_irqrestore(host->host_lock, flags);
@@ -3171,8 +3171,7 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
 
 	set_bit(VPORT_DELETE, &vha->dpc_flags);
 
-	while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
-	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
+	while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
 		msleep(1000);
 
 
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index cd75b179410d..dba7bba788d7 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -278,8 +278,8 @@ qla2x00_process_els(struct bsg_job *bsg_job)
 	const char *type;
 	int req_sg_cnt, rsp_sg_cnt;
 	int rval =  (DID_ERROR << 16);
-	uint16_t nextlid = 0;
 	uint32_t els_cmd = 0;
+	int qla_port_allocated = 0;
 
 	if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
 		rport = fc_bsg_to_rport(bsg_job);
@@ -329,9 +329,9 @@ qla2x00_process_els(struct bsg_job *bsg_job)
 		/* make sure the rport is logged in,
 		 * if not perform fabric login
 		 */
-		if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
+		if (atomic_read(&fcport->state) != FCS_ONLINE) {
 			ql_dbg(ql_dbg_user, vha, 0x7003,
-			    "Failed to login port %06X for ELS passthru.\n",
+			    "Port %06X is not online for ELS passthru.\n",
 			    fcport->d_id.b24);
 			rval = -EIO;
 			goto done;
@@ -348,6 +348,7 @@ qla2x00_process_els(struct bsg_job *bsg_job)
 			goto done;
 		}
 
+		qla_port_allocated = 1;
 		/* Initialize all required  fields of fcport */
 		fcport->vha = vha;
 		fcport->d_id.b.al_pa =
@@ -432,7 +433,7 @@ done_unmap_sg:
 	goto done_free_fcport;
 
 done_free_fcport:
-	if (bsg_request->msgcode != FC_BSG_RPT_ELS)
+	if (qla_port_allocated)
 		qla2x00_free_fcport(fcport);
 done:
 	return rval;
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index a26a373be9da..ec0e987b71fa 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -384,6 +384,13 @@ struct els_reject {
 struct req_que;
 struct qla_tgt_sess;
 
+struct qla_buf_dsc {
+	u16 tag;
+#define TAG_FREED 0xffff
+	void *buf;
+	dma_addr_t buf_dma;
+};
+
 /*
  * SCSI Request Block
  */
@@ -392,14 +399,16 @@ struct srb_cmd {
 	uint32_t request_sense_length;
 	uint32_t fw_sense_length;
 	uint8_t *request_sense_ptr;
-	struct ct6_dsd *ct6_ctx;
 	struct crc_context *crc_ctx;
+	struct ct6_dsd ct6_ctx;
+	struct qla_buf_dsc buf_dsc;
 };
 
 /*
  * SRB flag definitions
  */
 #define SRB_DMA_VALID			BIT_0	/* Command sent to ISP */
+#define SRB_GOT_BUF			BIT_1
 #define SRB_FCP_CMND_DMA_VALID		BIT_12	/* DIF: DSD List valid */
 #define SRB_CRC_CTX_DMA_VALID		BIT_2	/* DIF: context DMA valid */
 #define SRB_CRC_PROT_DMA_VALID		BIT_4	/* DIF: prot DMA valid */
@@ -660,7 +669,7 @@ enum {
 
 struct iocb_resource {
 	u8 res_type;
-	u8 pad;
+	u8  exch_cnt;
 	u16 iocb_cnt;
 };
 
@@ -2485,7 +2494,6 @@ struct ct_sns_desc {
 
 enum discovery_state {
 	DSC_DELETED,
-	DSC_GNN_ID,
 	DSC_GNL,
 	DSC_LOGIN_PEND,
 	DSC_LOGIN_FAILED,
@@ -2596,7 +2604,7 @@ typedef struct fc_port {
 
 	int login_retry;
 
-	struct fc_rport *rport, *drport;
+	struct fc_rport *rport;
 	u32 supported_classes;
 
 	uint8_t fc4_type;
@@ -2699,7 +2707,6 @@ extern const char *const port_state_str[5];
 
 static const char *const port_dstate_str[] = {
 	[DSC_DELETED]		= "DELETED",
-	[DSC_GNN_ID]		= "GNN_ID",
 	[DSC_GNL]		= "GNL",
 	[DSC_LOGIN_PEND]	= "LOGIN_PEND",
 	[DSC_LOGIN_FAILED]	= "LOGIN_FAILED",
@@ -3462,6 +3469,7 @@ struct qla_msix_entry {
 	int have_irq;
 	int in_use;
 	uint32_t vector;
+	uint32_t vector_base0;
 	uint16_t entry;
 	char name[30];
 	void *handle;
@@ -3479,7 +3487,6 @@ enum qla_work_type {
 	QLA_EVT_ASYNC_ADISC,
 	QLA_EVT_UEVENT,
 	QLA_EVT_AENFX,
-	QLA_EVT_GPNID,
 	QLA_EVT_UNMAP,
 	QLA_EVT_NEW_SESS,
 	QLA_EVT_GPDB,
@@ -3493,7 +3500,6 @@ enum qla_work_type {
 	QLA_EVT_GPNFT,
 	QLA_EVT_GPNFT_DONE,
 	QLA_EVT_GNNFT_DONE,
-	QLA_EVT_GNNID,
 	QLA_EVT_GFPNID,
 	QLA_EVT_SP_RETRY,
 	QLA_EVT_IIDMA,
@@ -3536,15 +3542,12 @@ struct qla_work_evt {
 		} iosb;
 		struct {
 			port_id_t id;
-		} gpnid;
-		struct {
-			port_id_t id;
 			u8 port_name[8];
 			u8 node_name[8];
 			void *pla;
 			u8 fc4_type;
 		} new_sess;
-		struct { /*Get PDB, Get Speed, update fcport, gnl, gidpn */
+		struct { /*Get PDB, Get Speed, update fcport, gnl */
 			fc_port_t *fcport;
 			u8 opt;
 		} fcport;
@@ -3721,10 +3724,27 @@ struct qla_fw_resources {
 	u16 iocbs_limit;
 	u16 iocbs_qp_limit;
 	u16 iocbs_used;
+	u16 exch_total;
+	u16 exch_limit;
+	u16 exch_used;
+	u16 pad;
 };
 
 #define QLA_IOCB_PCT_LIMIT 95
 
+struct  qla_buf_pool {
+	u16 num_bufs;
+	u16 num_active;
+	u16 max_used;
+	u16 num_alloc;
+	u16 prev_max;
+	u16 pad;
+	uint32_t take_snapshot:1;
+	unsigned long *buf_map;
+	void **buf_array;
+	dma_addr_t *dma_array;
+};
+
 /*Queue pair data structure */
 struct qla_qpair {
 	spinlock_t qp_lock;
@@ -3778,6 +3798,7 @@ struct qla_qpair {
 	struct qla_tgt_counters tgt_counters;
 	uint16_t cpuid;
 	struct qla_fw_resources fwres ____cacheline_aligned;
+	struct  qla_buf_pool buf_pool;
 	u32	cmd_cnt;
 	u32	cmd_completion_cnt;
 	u32	prev_completion_cnt;
@@ -3938,7 +3959,6 @@ struct qlt_hw_data {
 	__le32 __iomem *atio_q_out;
 
 	const struct qla_tgt_func_tmpl *tgt_ops;
-	struct qla_tgt_vp_map *tgt_vp_map;
 
 	int saved_set;
 	__le16	saved_exchange_count;
@@ -4106,6 +4126,7 @@ struct qla_hw_data {
 	struct req_que **req_q_map;
 	struct rsp_que **rsp_q_map;
 	struct qla_qpair **queue_pair_map;
+	struct qla_qpair **qp_cpu_map;
 	unsigned long req_qid_map[(QLA_MAX_QUEUES / 8) / sizeof(unsigned long)];
 	unsigned long rsp_qid_map[(QLA_MAX_QUEUES / 8) / sizeof(unsigned long)];
 	unsigned long qpair_qid_map[(QLA_MAX_QUEUES / 8)
@@ -4762,6 +4783,7 @@ struct qla_hw_data {
 	spinlock_t sadb_lock;	/* protects list */
 	struct els_reject elsrej;
 	u8 edif_post_stop_cnt_down;
+	struct qla_vp_map *vp_map;
 };
 
 #define RX_ELS_SIZE (roundup(sizeof(struct enode) + ELS_MAX_PAYLOAD, SMP_CACHE_BYTES))
@@ -4857,6 +4879,7 @@ typedef struct scsi_qla_host {
 #define LOOP_READY	5
 #define LOOP_DEAD	6
 
+	unsigned long   buf_expired;
 	unsigned long   relogin_jif;
 	unsigned long   dpc_flags;
 #define RESET_MARKER_NEEDED	0	/* Send marker to ISP. */
@@ -4872,7 +4895,6 @@ typedef struct scsi_qla_host {
 #define ISP_ABORT_RETRY		10	/* ISP aborted. */
 #define BEACON_BLINK_NEEDED	11
 #define REGISTER_FDMI_NEEDED	12
-#define FCPORT_UPDATE_NEEDED	13
 #define VP_DPC_NEEDED		14	/* wake up for VP dpc handling */
 #define UNLOADING		15
 #define NPIV_CONFIG_NEEDED	16
@@ -5022,7 +5044,6 @@ typedef struct scsi_qla_host {
 	uint8_t n2n_port_name[WWN_SIZE];
 	uint16_t	n2n_id;
 	__le16 dport_data[4];
-	struct list_head gpnid_list;
 	struct fab_scan scan;
 	uint8_t	scm_fabric_connection_flags;
 
@@ -5064,7 +5085,7 @@ struct qla27xx_image_status {
 #define SET_AL_PA	2
 #define RESET_VP_IDX	3
 #define RESET_AL_PA	4
-struct qla_tgt_vp_map {
+struct qla_vp_map {
 	uint8_t	idx;
 	scsi_qla_host_t *vha;
 };
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c
index 777808af5634..1925cc6897b6 100644
--- a/drivers/scsi/qla2xxx/qla_dfs.c
+++ b/drivers/scsi/qla2xxx/qla_dfs.c
@@ -235,7 +235,7 @@ qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused)
 	uint16_t mb[MAX_IOCB_MB_REG];
 	int rc;
 	struct qla_hw_data *ha = vha->hw;
-	u16 iocbs_used, i;
+	u16 iocbs_used, i, exch_used;
 
 	rc = qla24xx_res_count_wait(vha, mb, SIZEOF_IOCB_MB_REG);
 	if (rc != QLA_SUCCESS) {
@@ -263,13 +263,19 @@ qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused)
 	if (ql2xenforce_iocb_limit) {
 		/* lock is not require. It's an estimate. */
 		iocbs_used = ha->base_qpair->fwres.iocbs_used;
+		exch_used = ha->base_qpair->fwres.exch_used;
 		for (i = 0; i < ha->max_qpairs; i++) {
-			if (ha->queue_pair_map[i])
+			if (ha->queue_pair_map[i]) {
 				iocbs_used += ha->queue_pair_map[i]->fwres.iocbs_used;
+				exch_used += ha->queue_pair_map[i]->fwres.exch_used;
+			}
 		}
 
 		seq_printf(s, "Driver: estimate iocb used [%d] high water limit [%d]\n",
 			   iocbs_used, ha->base_qpair->fwres.iocbs_limit);
+
+		seq_printf(s, "estimate exchange used[%d] high water limit [%d] n",
+			   exch_used, ha->base_qpair->fwres.exch_limit);
 	}
 
 	return 0;
diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c
index e4240aae5f9e..ec0e20255bd3 100644
--- a/drivers/scsi/qla2xxx/qla_edif.c
+++ b/drivers/scsi/qla2xxx/qla_edif.c
@@ -480,6 +480,49 @@ void qla2x00_release_all_sadb(struct scsi_qla_host *vha, struct fc_port *fcport)
 }
 
 /**
+ * qla_delete_n2n_sess_and_wait: search for N2N session, tear it down and
+ *    wait for tear down to complete.  In N2N topology, there is only one
+ *    session being active in tracking the remote device.
+ * @vha: host adapter pointer
+ * return code:  0 - found the session and completed the tear down.
+ *	1 - timeout occurred.  Caller to use link bounce to reset.
+ */
+static int qla_delete_n2n_sess_and_wait(scsi_qla_host_t *vha)
+{
+	struct fc_port *fcport;
+	int rc = -EIO;
+	ulong expire = jiffies + 23 * HZ;
+
+	if (!N2N_TOPO(vha->hw))
+		return 0;
+
+	fcport = NULL;
+	list_for_each_entry(fcport, &vha->vp_fcports, list) {
+		if (!fcport->n2n_flag)
+			continue;
+
+		ql_dbg(ql_dbg_disc, fcport->vha, 0x2016,
+		       "%s reset sess at app start \n", __func__);
+
+		qla_edif_sa_ctl_init(vha, fcport);
+		qlt_schedule_sess_for_deletion(fcport);
+
+		while (time_before_eq(jiffies, expire)) {
+			if (fcport->disc_state != DSC_DELETE_PEND) {
+				rc = 0;
+				break;
+			}
+			msleep(1);
+		}
+
+		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+		break;
+	}
+
+	return rc;
+}
+
+/**
  * qla_edif_app_start:  application has announce its present
  * @vha: host adapter pointer
  * @bsg_job: user request
@@ -518,18 +561,17 @@ qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
 			fcport->n2n_link_reset_cnt = 0;
 
 		if (vha->hw->flags.n2n_fw_acc_sec) {
-			list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list)
-				qla_edif_sa_ctl_init(vha, fcport);
-
+			bool link_bounce = false;
 			/*
 			 * While authentication app was not running, remote device
 			 * could still try to login with this local port.  Let's
-			 * clear the state and try again.
+			 * reset the session, reconnect and re-authenticate.
 			 */
-			qla2x00_wait_for_sess_deletion(vha);
+			if (qla_delete_n2n_sess_and_wait(vha))
+				link_bounce = true;
 
-			/* bounce the link to get the other guy to relogin */
-			if (!vha->hw->flags.n2n_bigger) {
+			/* bounce the link to start login */
+			if (!vha->hw->flags.n2n_bigger || link_bounce) {
 				set_bit(N2N_LINK_RESET, &vha->dpc_flags);
 				qla2xxx_wake_dpc(vha);
 			}
@@ -925,7 +967,9 @@ qla_edif_app_getfcinfo(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
 			if (!(fcport->flags & FCF_FCSP_DEVICE))
 				continue;
 
-			tdid = app_req.remote_pid;
+			tdid.b.domain = app_req.remote_pid.domain;
+			tdid.b.area = app_req.remote_pid.area;
+			tdid.b.al_pa = app_req.remote_pid.al_pa;
 
 			ql_dbg(ql_dbg_edif, vha, 0x2058,
 			    "APP request entry - portid=%06x.\n", tdid.b24);
@@ -2989,9 +3033,10 @@ qla28xx_start_scsi_edif(srb_t *sp)
 	tot_dsds = nseg;
 	req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
 
-	sp->iores.res_type = RESOURCE_INI;
+	sp->iores.res_type = RESOURCE_IOCB | RESOURCE_EXCH;
+	sp->iores.exch_cnt = 1;
 	sp->iores.iocb_cnt = req_cnt;
-	if (qla_get_iocbs(sp->qpair, &sp->iores))
+	if (qla_get_fw_resources(sp->qpair, &sp->iores))
 		goto queuing_error;
 
 	if (req->cnt < (req_cnt + 2)) {
@@ -3006,26 +3051,16 @@ qla28xx_start_scsi_edif(srb_t *sp)
 			goto queuing_error;
 	}
 
-	ctx = sp->u.scmd.ct6_ctx =
-	    mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
-	if (!ctx) {
-		ql_log(ql_log_fatal, vha, 0x3010,
-		    "Failed to allocate ctx for cmd=%p.\n", cmd);
-		goto queuing_error;
-	}
-
-	memset(ctx, 0, sizeof(struct ct6_dsd));
-	ctx->fcp_cmnd = dma_pool_zalloc(ha->fcp_cmnd_dma_pool,
-	    GFP_ATOMIC, &ctx->fcp_cmnd_dma);
-	if (!ctx->fcp_cmnd) {
+	if (qla_get_buf(vha, sp->qpair, &sp->u.scmd.buf_dsc)) {
 		ql_log(ql_log_fatal, vha, 0x3011,
-		    "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd);
+		    "Failed to allocate buf for fcp_cmnd for cmd=%p.\n", cmd);
 		goto queuing_error;
 	}
 
-	/* Initialize the DSD list and dma handle */
-	INIT_LIST_HEAD(&ctx->dsd_list);
-	ctx->dsd_use_cnt = 0;
+	sp->flags |= SRB_GOT_BUF;
+	ctx = &sp->u.scmd.ct6_ctx;
+	ctx->fcp_cmnd = sp->u.scmd.buf_dsc.buf;
+	ctx->fcp_cmnd_dma = sp->u.scmd.buf_dsc.buf_dma;
 
 	if (cmd->cmd_len > 16) {
 		additional_cdb_len = cmd->cmd_len - 16;
@@ -3144,7 +3179,6 @@ no_dsds:
 	cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len);
 	put_unaligned_le64(ctx->fcp_cmnd_dma, &cmd_pkt->fcp_cmnd_dseg_address);
 
-	sp->flags |= SRB_FCP_CMND_DMA_VALID;
 	cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
 	/* Set total data segment count. */
 	cmd_pkt->entry_count = (uint8_t)req_cnt;
@@ -3176,16 +3210,12 @@ no_dsds:
 	return QLA_SUCCESS;
 
 queuing_error_fcp_cmnd:
-	dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma);
 queuing_error:
 	if (tot_dsds)
 		scsi_dma_unmap(cmd);
 
-	if (sp->u.scmd.ct6_ctx) {
-		mempool_free(sp->u.scmd.ct6_ctx, ha->ctx_mempool);
-		sp->u.scmd.ct6_ctx = NULL;
-	}
-	qla_put_iocbs(sp->qpair, &sp->iores);
+	qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
+	qla_put_fw_resources(sp->qpair, &sp->iores);
 	spin_unlock_irqrestore(lock, flags);
 
 	return QLA_FUNCTION_FAILED;
diff --git a/drivers/scsi/qla2xxx/qla_edif.h b/drivers/scsi/qla2xxx/qla_edif.h
index 7cdb89ccdc6e..aa566cdb77e5 100644
--- a/drivers/scsi/qla2xxx/qla_edif.h
+++ b/drivers/scsi/qla2xxx/qla_edif.h
@@ -145,4 +145,6 @@ struct enode {
 	(qla_ini_mode_enabled(_s->vha) && (_s->disc_state == DSC_DELETE_PEND || \
 	 _s->disc_state == DSC_DELETED))
 
+#define EDIF_CAP(_ha) (ql2xsecenable && IS_QLA28XX(_ha))
+
 #endif	/* __QLA_EDIF_H */
diff --git a/drivers/scsi/qla2xxx/qla_edif_bsg.h b/drivers/scsi/qla2xxx/qla_edif_bsg.h
index 0931f4e4e127..514c265ba86e 100644
--- a/drivers/scsi/qla2xxx/qla_edif_bsg.h
+++ b/drivers/scsi/qla2xxx/qla_edif_bsg.h
@@ -89,7 +89,20 @@ struct app_plogi_reply {
 struct app_pinfo_req {
 	struct app_id app_info;
 	uint8_t	 num_ports;
-	port_id_t remote_pid;
+	struct {
+#ifdef __BIG_ENDIAN
+		uint8_t domain;
+		uint8_t area;
+		uint8_t al_pa;
+#elif defined(__LITTLE_ENDIAN)
+		uint8_t al_pa;
+		uint8_t area;
+		uint8_t domain;
+#else
+#error "__BIG_ENDIAN or __LITTLE_ENDIAN must be defined!"
+#endif
+		uint8_t rsvd_1;
+	} remote_pid;
 	uint8_t		version;
 	uint8_t		pad[VND_CMD_PAD_SIZE];
 	uint8_t		reserved[VND_CMD_APP_RESERVED_SIZE];
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index e3256e721be1..9142df876c73 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -257,6 +257,7 @@ struct edif_sa_ctl *qla_edif_find_sa_ctl_by_index(fc_port_t *fcport,
 /*
  * Global Functions in qla_mid.c source file.
  */
+extern void qla_update_vp_map(struct scsi_qla_host *, int);
 extern struct scsi_host_template qla2xxx_driver_template;
 extern struct scsi_transport_template *qla2xxx_transport_vport_template;
 extern void qla2x00_timer(struct timer_list *);
@@ -292,6 +293,7 @@ extern void qla2x00_alert_all_vps(struct rsp_que *, uint16_t *);
 extern void qla2x00_async_event(scsi_qla_host_t *, struct rsp_que *,
 	uint16_t *);
 extern int  qla2x00_vp_abort_isp(scsi_qla_host_t *);
+void qla_adjust_buf(struct scsi_qla_host *);
 
 /*
  * Global Function Prototypes in qla_iocb.c source file.
@@ -721,10 +723,6 @@ extern int qla2x00_chk_ms_status(scsi_qla_host_t *, ms_iocb_entry_t *,
 	struct ct_sns_rsp *, const char *);
 extern void qla2x00_async_iocb_timeout(void *data);
 
-extern int qla24xx_post_gpnid_work(struct scsi_qla_host *, port_id_t *);
-extern int qla24xx_async_gpnid(scsi_qla_host_t *, port_id_t *);
-void qla24xx_handle_gpnid_event(scsi_qla_host_t *, struct event_arg *);
-
 int qla24xx_post_gpsc_work(struct scsi_qla_host *, fc_port_t *);
 int qla24xx_async_gpsc(scsi_qla_host_t *, fc_port_t *);
 void qla24xx_handle_gpsc_event(scsi_qla_host_t *, struct event_arg *);
@@ -734,9 +732,6 @@ int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport, bool);
 int qla24xx_async_gpnft(scsi_qla_host_t *, u8, srb_t *);
 void qla24xx_async_gpnft_done(scsi_qla_host_t *, srb_t *);
 void qla24xx_async_gnnft_done(scsi_qla_host_t *, srb_t *);
-int qla24xx_async_gnnid(scsi_qla_host_t *, fc_port_t *);
-void qla24xx_handle_gnnid_event(scsi_qla_host_t *, struct event_arg *);
-int qla24xx_post_gnnid_work(struct scsi_qla_host *, fc_port_t *);
 int qla24xx_post_gfpnid_work(struct scsi_qla_host *, fc_port_t *);
 int qla24xx_async_gfpnid(scsi_qla_host_t *, fc_port_t *);
 void qla24xx_handle_gfpnid_event(scsi_qla_host_t *, struct event_arg *);
@@ -962,7 +957,7 @@ extern struct fc_port *qlt_find_sess_invalidate_other(scsi_qla_host_t *,
 	uint64_t wwn, port_id_t port_id, uint16_t loop_id, struct fc_port **);
 void qla24xx_delete_sess_fn(struct work_struct *);
 void qlt_unknown_atio_work_fn(struct work_struct *);
-void qlt_update_host_map(struct scsi_qla_host *, port_id_t);
+void qla_update_host_map(struct scsi_qla_host *, port_id_t);
 void qla_remove_hostmap(struct qla_hw_data *ha);
 void qlt_clr_qp_table(struct scsi_qla_host *vha);
 void qlt_set_mode(struct scsi_qla_host *);
@@ -975,6 +970,8 @@ extern void qla_nvme_abort_set_option
 		(struct abort_entry_24xx *abt, srb_t *sp);
 extern void qla_nvme_abort_process_comp_status
 		(struct abort_entry_24xx *abt, srb_t *sp);
+struct scsi_qla_host *qla_find_host_by_vp_idx(struct scsi_qla_host *vha,
+	uint16_t vp_idx);
 
 /* nvme.c */
 void qla_nvme_unregister_remote_port(struct fc_port *fcport);
@@ -1019,5 +1016,8 @@ int qla2xxx_enable_port(struct Scsi_Host *shost);
 
 uint64_t qla2x00_get_num_tgts(scsi_qla_host_t *vha);
 uint64_t qla2x00_count_set_bits(u32 num);
-
+int qla_create_buf_pool(struct scsi_qla_host *, struct qla_qpair *);
+void qla_free_buf_pool(struct qla_qpair *);
+int qla_get_buf(struct scsi_qla_host *, struct qla_qpair *, struct qla_buf_dsc *);
+void qla_put_buf(struct qla_qpair *, struct qla_buf_dsc *);
 #endif /* _QLA_GBL_H */
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 64ab070b8716..4738f8935f7f 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -2949,22 +2949,6 @@ done:
 	return rval;
 }
 
-int qla24xx_post_gpnid_work(struct scsi_qla_host *vha, port_id_t *id)
-{
-	struct qla_work_evt *e;
-
-	if (test_bit(UNLOADING, &vha->dpc_flags) ||
-	    (vha->vp_idx && test_bit(VPORT_DELETE, &vha->dpc_flags)))
-		return 0;
-
-	e = qla2x00_alloc_work(vha, QLA_EVT_GPNID);
-	if (!e)
-		return QLA_FUNCTION_FAILED;
-
-	e->u.gpnid.id = *id;
-	return qla2x00_post_work(vha, e);
-}
-
 void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp)
 {
 	struct srb_iocb *c = &sp->u.iocb_cmd;
@@ -2997,287 +2981,6 @@ void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp)
 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
 }
 
-void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
-{
-	fc_port_t *fcport, *conflict, *t;
-	u16 data[2];
-
-	ql_dbg(ql_dbg_disc, vha, 0xffff,
-	    "%s %d port_id: %06x\n",
-	    __func__, __LINE__, ea->id.b24);
-
-	if (ea->rc) {
-		/* cable is disconnected */
-		list_for_each_entry_safe(fcport, t, &vha->vp_fcports, list) {
-			if (fcport->d_id.b24 == ea->id.b24)
-				fcport->scan_state = QLA_FCPORT_SCAN;
-
-			qlt_schedule_sess_for_deletion(fcport);
-		}
-	} else {
-		/* cable is connected */
-		fcport = qla2x00_find_fcport_by_wwpn(vha, ea->port_name, 1);
-		if (fcport) {
-			list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
-			    list) {
-				if ((conflict->d_id.b24 == ea->id.b24) &&
-				    (fcport != conflict))
-					/*
-					 * 2 fcports with conflict Nport ID or
-					 * an existing fcport is having nport ID
-					 * conflict with new fcport.
-					 */
-
-					conflict->scan_state = QLA_FCPORT_SCAN;
-
-				qlt_schedule_sess_for_deletion(conflict);
-			}
-
-			fcport->scan_needed = 0;
-			fcport->rscn_gen++;
-			fcport->scan_state = QLA_FCPORT_FOUND;
-			fcport->flags |= FCF_FABRIC_DEVICE;
-			if (fcport->login_retry == 0) {
-				fcport->login_retry =
-					vha->hw->login_retry_count;
-				ql_dbg(ql_dbg_disc, vha, 0xffff,
-				    "Port login retry %8phN, lid 0x%04x cnt=%d.\n",
-				    fcport->port_name, fcport->loop_id,
-				    fcport->login_retry);
-			}
-			switch (fcport->disc_state) {
-			case DSC_LOGIN_COMPLETE:
-				/* recheck session is still intact. */
-				ql_dbg(ql_dbg_disc, vha, 0x210d,
-				    "%s %d %8phC revalidate session with ADISC\n",
-				    __func__, __LINE__, fcport->port_name);
-				data[0] = data[1] = 0;
-				qla2x00_post_async_adisc_work(vha, fcport,
-				    data);
-				break;
-			case DSC_DELETED:
-				ql_dbg(ql_dbg_disc, vha, 0x210d,
-				    "%s %d %8phC login\n", __func__, __LINE__,
-				    fcport->port_name);
-				fcport->d_id = ea->id;
-				qla24xx_fcport_handle_login(vha, fcport);
-				break;
-			case DSC_DELETE_PEND:
-				fcport->d_id = ea->id;
-				break;
-			default:
-				fcport->d_id = ea->id;
-				break;
-			}
-		} else {
-			list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
-			    list) {
-				if (conflict->d_id.b24 == ea->id.b24) {
-					/* 2 fcports with conflict Nport ID or
-					 * an existing fcport is having nport ID
-					 * conflict with new fcport.
-					 */
-					ql_dbg(ql_dbg_disc, vha, 0xffff,
-					    "%s %d %8phC DS %d\n",
-					    __func__, __LINE__,
-					    conflict->port_name,
-					    conflict->disc_state);
-
-					conflict->scan_state = QLA_FCPORT_SCAN;
-					qlt_schedule_sess_for_deletion(conflict);
-				}
-			}
-
-			/* create new fcport */
-			ql_dbg(ql_dbg_disc, vha, 0x2065,
-			    "%s %d %8phC post new sess\n",
-			    __func__, __LINE__, ea->port_name);
-			qla24xx_post_newsess_work(vha, &ea->id,
-			    ea->port_name, NULL, NULL, 0);
-		}
-	}
-}
-
-static void qla2x00_async_gpnid_sp_done(srb_t *sp, int res)
-{
-	struct scsi_qla_host *vha = sp->vha;
-	struct ct_sns_req *ct_req =
-	    (struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
-	struct ct_sns_rsp *ct_rsp =
-	    (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
-	struct event_arg ea;
-	struct qla_work_evt *e;
-	unsigned long flags;
-
-	if (res)
-		ql_dbg(ql_dbg_disc, vha, 0x2066,
-		    "Async done-%s fail res %x rscn gen %d ID %3phC. %8phC\n",
-		    sp->name, res, sp->gen1, &ct_req->req.port_id.port_id,
-		    ct_rsp->rsp.gpn_id.port_name);
-	else
-		ql_dbg(ql_dbg_disc, vha, 0x2066,
-		    "Async done-%s good rscn gen %d ID %3phC. %8phC\n",
-		    sp->name, sp->gen1, &ct_req->req.port_id.port_id,
-		    ct_rsp->rsp.gpn_id.port_name);
-
-	memset(&ea, 0, sizeof(ea));
-	memcpy(ea.port_name, ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
-	ea.sp = sp;
-	ea.id = be_to_port_id(ct_req->req.port_id.port_id);
-	ea.rc = res;
-
-	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
-	list_del(&sp->elem);
-	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
-
-	if (res) {
-		if (res == QLA_FUNCTION_TIMEOUT) {
-			qla24xx_post_gpnid_work(sp->vha, &ea.id);
-			/* ref: INIT */
-			kref_put(&sp->cmd_kref, qla2x00_sp_release);
-			return;
-		}
-	} else if (sp->gen1) {
-		/* There was another RSCN for this Nport ID */
-		qla24xx_post_gpnid_work(sp->vha, &ea.id);
-		/* ref: INIT */
-		kref_put(&sp->cmd_kref, qla2x00_sp_release);
-		return;
-	}
-
-	qla24xx_handle_gpnid_event(vha, &ea);
-
-	e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
-	if (!e) {
-		/* please ignore kernel warning. otherwise, we have mem leak. */
-		dma_free_coherent(&vha->hw->pdev->dev,
-				  sp->u.iocb_cmd.u.ctarg.req_allocated_size,
-				  sp->u.iocb_cmd.u.ctarg.req,
-				  sp->u.iocb_cmd.u.ctarg.req_dma);
-		sp->u.iocb_cmd.u.ctarg.req = NULL;
-
-		dma_free_coherent(&vha->hw->pdev->dev,
-				  sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
-				  sp->u.iocb_cmd.u.ctarg.rsp,
-				  sp->u.iocb_cmd.u.ctarg.rsp_dma);
-		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
-
-		/* ref: INIT */
-		kref_put(&sp->cmd_kref, qla2x00_sp_release);
-		return;
-	}
-
-	e->u.iosb.sp = sp;
-	qla2x00_post_work(vha, e);
-}
-
-/* Get WWPN with Nport ID. */
-int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id)
-{
-	int rval = QLA_FUNCTION_FAILED;
-	struct ct_sns_req       *ct_req;
-	srb_t *sp, *tsp;
-	struct ct_sns_pkt *ct_sns;
-	unsigned long flags;
-
-	if (!vha->flags.online)
-		goto done;
-
-	/* ref: INIT */
-	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
-	if (!sp)
-		goto done;
-
-	sp->type = SRB_CT_PTHRU_CMD;
-	sp->name = "gpnid";
-	sp->u.iocb_cmd.u.ctarg.id = *id;
-	sp->gen1 = 0;
-	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
-			      qla2x00_async_gpnid_sp_done);
-
-	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
-	list_for_each_entry(tsp, &vha->gpnid_list, elem) {
-		if (tsp->u.iocb_cmd.u.ctarg.id.b24 == id->b24) {
-			tsp->gen1++;
-			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
-			/* ref: INIT */
-			kref_put(&sp->cmd_kref, qla2x00_sp_release);
-			goto done;
-		}
-	}
-	list_add_tail(&sp->elem, &vha->gpnid_list);
-	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
-
-	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
-		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
-		GFP_KERNEL);
-	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
-	if (!sp->u.iocb_cmd.u.ctarg.req) {
-		ql_log(ql_log_warn, vha, 0xd041,
-		    "Failed to allocate ct_sns request.\n");
-		goto done_free_sp;
-	}
-
-	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
-		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
-		GFP_KERNEL);
-	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
-	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
-		ql_log(ql_log_warn, vha, 0xd042,
-		    "Failed to allocate ct_sns request.\n");
-		goto done_free_sp;
-	}
-
-	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
-	memset(ct_sns, 0, sizeof(*ct_sns));
-
-	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
-	/* CT_IU preamble  */
-	ct_req = qla2x00_prep_ct_req(ct_sns, GPN_ID_CMD, GPN_ID_RSP_SIZE);
-
-	/* GPN_ID req */
-	ct_req->req.port_id.port_id = port_id_to_be_id(*id);
-
-	sp->u.iocb_cmd.u.ctarg.req_size = GPN_ID_REQ_SIZE;
-	sp->u.iocb_cmd.u.ctarg.rsp_size = GPN_ID_RSP_SIZE;
-	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
-
-	ql_dbg(ql_dbg_disc, vha, 0x2067,
-	    "Async-%s hdl=%x ID %3phC.\n", sp->name,
-	    sp->handle, &ct_req->req.port_id.port_id);
-
-	rval = qla2x00_start_sp(sp);
-	if (rval != QLA_SUCCESS)
-		goto done_free_sp;
-
-	return rval;
-
-done_free_sp:
-	spin_lock_irqsave(&vha->hw->vport_slock, flags);
-	list_del(&sp->elem);
-	spin_unlock_irqrestore(&vha->hw->vport_slock, flags);
-
-	if (sp->u.iocb_cmd.u.ctarg.req) {
-		dma_free_coherent(&vha->hw->pdev->dev,
-			sizeof(struct ct_sns_pkt),
-			sp->u.iocb_cmd.u.ctarg.req,
-			sp->u.iocb_cmd.u.ctarg.req_dma);
-		sp->u.iocb_cmd.u.ctarg.req = NULL;
-	}
-	if (sp->u.iocb_cmd.u.ctarg.rsp) {
-		dma_free_coherent(&vha->hw->pdev->dev,
-			sizeof(struct ct_sns_pkt),
-			sp->u.iocb_cmd.u.ctarg.rsp,
-			sp->u.iocb_cmd.u.ctarg.rsp_dma);
-		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
-	}
-	/* ref: INIT */
-	kref_put(&sp->cmd_kref, qla2x00_sp_release);
-done:
-	return rval;
-}
-
-
 void qla24xx_async_gffid_sp_done(srb_t *sp, int res)
 {
 	struct scsi_qla_host *vha = sp->vha;
@@ -4190,116 +3893,6 @@ void qla_scan_work_fn(struct work_struct *work)
 	spin_unlock_irqrestore(&vha->work_lock, flags);
 }
 
-/* GNN_ID */
-void qla24xx_handle_gnnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
-{
-	qla24xx_post_gnl_work(vha, ea->fcport);
-}
-
-static void qla2x00_async_gnnid_sp_done(srb_t *sp, int res)
-{
-	struct scsi_qla_host *vha = sp->vha;
-	fc_port_t *fcport = sp->fcport;
-	u8 *node_name = fcport->ct_desc.ct_sns->p.rsp.rsp.gnn_id.node_name;
-	struct event_arg ea;
-	u64 wwnn;
-
-	fcport->flags &= ~FCF_ASYNC_SENT;
-	wwnn = wwn_to_u64(node_name);
-	if (wwnn)
-		memcpy(fcport->node_name, node_name, WWN_SIZE);
-
-	memset(&ea, 0, sizeof(ea));
-	ea.fcport = fcport;
-	ea.sp = sp;
-	ea.rc = res;
-
-	ql_dbg(ql_dbg_disc, vha, 0x204f,
-	    "Async done-%s res %x, WWPN %8phC %8phC\n",
-	    sp->name, res, fcport->port_name, fcport->node_name);
-
-	qla24xx_handle_gnnid_event(vha, &ea);
-
-	/* ref: INIT */
-	kref_put(&sp->cmd_kref, qla2x00_sp_release);
-}
-
-int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport)
-{
-	int rval = QLA_FUNCTION_FAILED;
-	struct ct_sns_req       *ct_req;
-	srb_t *sp;
-
-	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
-		return rval;
-
-	qla2x00_set_fcport_disc_state(fcport, DSC_GNN_ID);
-	/* ref: INIT */
-	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
-	if (!sp)
-		goto done;
-
-	fcport->flags |= FCF_ASYNC_SENT;
-	sp->type = SRB_CT_PTHRU_CMD;
-	sp->name = "gnnid";
-	sp->gen1 = fcport->rscn_gen;
-	sp->gen2 = fcport->login_gen;
-	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
-			      qla2x00_async_gnnid_sp_done);
-
-	/* CT_IU preamble  */
-	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GNN_ID_CMD,
-	    GNN_ID_RSP_SIZE);
-
-	/* GNN_ID req */
-	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
-
-
-	/* req & rsp use the same buffer */
-	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
-	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
-	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
-	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
-	sp->u.iocb_cmd.u.ctarg.req_size = GNN_ID_REQ_SIZE;
-	sp->u.iocb_cmd.u.ctarg.rsp_size = GNN_ID_RSP_SIZE;
-	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
-
-	ql_dbg(ql_dbg_disc, vha, 0xffff,
-	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
-	    sp->name, fcport->port_name,
-	    sp->handle, fcport->loop_id, fcport->d_id.b24);
-
-	rval = qla2x00_start_sp(sp);
-	if (rval != QLA_SUCCESS)
-		goto done_free_sp;
-	return rval;
-
-done_free_sp:
-	/* ref: INIT */
-	kref_put(&sp->cmd_kref, qla2x00_sp_release);
-	fcport->flags &= ~FCF_ASYNC_SENT;
-done:
-	return rval;
-}
-
-int qla24xx_post_gnnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
-{
-	struct qla_work_evt *e;
-	int ls;
-
-	ls = atomic_read(&vha->loop_state);
-	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
-		test_bit(UNLOADING, &vha->dpc_flags))
-		return 0;
-
-	e = qla2x00_alloc_work(vha, QLA_EVT_GNNID);
-	if (!e)
-		return QLA_FUNCTION_FAILED;
-
-	e->u.fcport.fcport = fcport;
-	return qla2x00_post_work(vha, e);
-}
-
 /* GPFN_ID */
 void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
 {
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 8d9ecabb1aac..1dbc1496ebed 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -128,12 +128,14 @@ static void qla24xx_abort_iocb_timeout(void *data)
 		    sp->cmd_sp)) {
 			qpair->req->outstanding_cmds[handle] = NULL;
 			cmdsp_found = 1;
+			qla_put_fw_resources(qpair, &sp->cmd_sp->iores);
 		}
 
 		/* removing the abort */
 		if (qpair->req->outstanding_cmds[handle] == sp) {
 			qpair->req->outstanding_cmds[handle] = NULL;
 			sp_found = 1;
+			qla_put_fw_resources(qpair, &sp->iores);
 			break;
 		}
 	}
@@ -388,6 +390,12 @@ done_free_sp:
 	fcport->flags &= ~FCF_ASYNC_SENT;
 done:
 	fcport->flags &= ~FCF_ASYNC_ACTIVE;
+
+	/*
+	 * async login failed. Could be due to iocb/exchange resource
+	 * being low. Set state DELETED for re-login process to start again.
+	 */
+	qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
 	return rval;
 }
 
@@ -1646,7 +1654,6 @@ static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
 {
 	u16 data[2];
-	u64 wwn;
 	u16 sec;
 
 	ql_dbg(ql_dbg_disc, vha, 0x20d8,
@@ -1686,7 +1693,6 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
 
 	switch (fcport->disc_state) {
 	case DSC_DELETED:
-		wwn = wwn_to_u64(fcport->node_name);
 		switch (vha->hw->current_topology) {
 		case ISP_CFG_N:
 			if (fcport_is_smaller(fcport)) {
@@ -1710,12 +1716,7 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
 			}
 			break;
 		default:
-			if (wwn == 0)    {
-				ql_dbg(ql_dbg_disc, vha, 0xffff,
-				    "%s %d %8phC post GNNID\n",
-				    __func__, __LINE__, fcport->port_name);
-				qla24xx_post_gnnid_work(vha, fcport);
-			} else if (fcport->loop_id == FC_NO_LOOP_ID) {
+			if (fcport->loop_id == FC_NO_LOOP_ID) {
 				ql_dbg(ql_dbg_disc, vha, 0x20bd,
 				    "%s %d %8phC post gnl\n",
 				    __func__, __LINE__, fcport->port_name);
@@ -2000,6 +2001,7 @@ qla2x00_tmf_iocb_timeout(void *data)
 		for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
 			if (sp->qpair->req->outstanding_cmds[h] == sp) {
 				sp->qpair->req->outstanding_cmds[h] = NULL;
+				qla_put_fw_resources(sp->qpair, &sp->iores);
 				break;
 			}
 		}
@@ -2073,7 +2075,6 @@ qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 done_free_sp:
 	/* ref: INIT */
 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
-	fcport->flags &= ~FCF_ASYNC_SENT;
 done:
 	return rval;
 }
@@ -2315,7 +2316,7 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
 			ea->fcport->login_pause = 1;
 
 			ql_dbg(ql_dbg_disc, vha, 0x20ed,
-			    "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
+			    "%s %d %8phC NPortId %06x inuse with loopid 0x%x.\n",
 			    __func__, __LINE__, ea->fcport->port_name,
 			    ea->fcport->d_id.b24, lid);
 		} else {
@@ -3943,6 +3944,12 @@ void qla_init_iocb_limit(scsi_qla_host_t *vha)
 	ha->base_qpair->fwres.iocbs_limit = limit;
 	ha->base_qpair->fwres.iocbs_qp_limit = limit / num_qps;
 	ha->base_qpair->fwres.iocbs_used = 0;
+
+	ha->base_qpair->fwres.exch_total = ha->orig_fw_xcb_count;
+	ha->base_qpair->fwres.exch_limit = (ha->orig_fw_xcb_count *
+					    QLA_IOCB_PCT_LIMIT) / 100;
+	ha->base_qpair->fwres.exch_used  = 0;
+
 	for (i = 0; i < ha->max_qpairs; i++) {
 		if (ha->queue_pair_map[i])  {
 			ha->queue_pair_map[i]->fwres.iocbs_total =
@@ -3951,6 +3958,10 @@ void qla_init_iocb_limit(scsi_qla_host_t *vha)
 			ha->queue_pair_map[i]->fwres.iocbs_qp_limit =
 				limit / num_qps;
 			ha->queue_pair_map[i]->fwres.iocbs_used = 0;
+			ha->queue_pair_map[i]->fwres.exch_total = ha->orig_fw_xcb_count;
+			ha->queue_pair_map[i]->fwres.exch_limit =
+				(ha->orig_fw_xcb_count * QLA_IOCB_PCT_LIMIT) / 100;
+			ha->queue_pair_map[i]->fwres.exch_used = 0;
 		}
 	}
 }
@@ -4809,9 +4820,9 @@ qla2x00_configure_hba(scsi_qla_host_t *vha)
 	spin_lock_irqsave(&ha->hardware_lock, flags);
 	if (vha->hw->flags.edif_enabled) {
 		if (topo != 2)
-			qlt_update_host_map(vha, id);
+			qla_update_host_map(vha, id);
 	} else if (!(topo == 2 && ha->flags.n2n_bigger))
-		qlt_update_host_map(vha, id);
+		qla_update_host_map(vha, id);
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	if (!vha->flags.init_done)
@@ -5206,27 +5217,6 @@ qla2x00_nvram_config(scsi_qla_host_t *vha)
 	return (rval);
 }
 
-static void
-qla2x00_rport_del(void *data)
-{
-	fc_port_t *fcport = data;
-	struct fc_rport *rport;
-	unsigned long flags;
-
-	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
-	rport = fcport->drport ? fcport->drport : fcport->rport;
-	fcport->drport = NULL;
-	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
-	if (rport) {
-		ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
-		    "%s %8phN. rport %p roles %x\n",
-		    __func__, fcport->port_name, rport,
-		    rport->roles);
-
-		fc_remote_port_delete(rport);
-	}
-}
-
 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
 {
 	int old_state;
@@ -6743,33 +6733,6 @@ int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
 	return rval;
 }
 
-void
-qla2x00_update_fcports(scsi_qla_host_t *base_vha)
-{
-	fc_port_t *fcport;
-	struct scsi_qla_host *vha, *tvp;
-	struct qla_hw_data *ha = base_vha->hw;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ha->vport_slock, flags);
-	/* Go with deferred removal of rport references. */
-	list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list) {
-		atomic_inc(&vha->vref_count);
-		list_for_each_entry(fcport, &vha->vp_fcports, list) {
-			if (fcport->drport &&
-			    atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
-				spin_unlock_irqrestore(&ha->vport_slock, flags);
-				qla2x00_rport_del(fcport);
-
-				spin_lock_irqsave(&ha->vport_slock, flags);
-			}
-		}
-		atomic_dec(&vha->vref_count);
-		wake_up(&vha->vref_waitq);
-	}
-	spin_unlock_irqrestore(&ha->vport_slock, flags);
-}
-
 /* Assumes idc_lock always held on entry */
 void
 qla83xx_reset_ownership(scsi_qla_host_t *vha)
@@ -9461,8 +9424,6 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
 		qpair->req = ha->req_q_map[req_id];
 		qpair->rsp->req = qpair->req;
 		qpair->rsp->qpair = qpair;
-		/* init qpair to this cpu. Will adjust at run time. */
-		qla_cpu_update(qpair, raw_smp_processor_id());
 
 		if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
 			if (ha->fw_attributes & BIT_4)
@@ -9477,6 +9438,13 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
 			goto fail_mempool;
 		}
 
+		if (qla_create_buf_pool(vha, qpair)) {
+			ql_log(ql_log_warn, vha, 0xd036,
+			    "Failed to initialize buf pool for qpair %d\n",
+			    qpair->id);
+			goto fail_bufpool;
+		}
+
 		/* Mark as online */
 		qpair->online = 1;
 
@@ -9492,7 +9460,10 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
 	}
 	return qpair;
 
+fail_bufpool:
+	mempool_destroy(qpair->srb_mempool);
 fail_mempool:
+	qla25xx_delete_req_que(vha, qpair->req);
 fail_req:
 	qla25xx_delete_rsp_que(vha, qpair->rsp);
 fail_rsp:
@@ -9518,6 +9489,8 @@ int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
 
 	qpair->delete_in_progress = 1;
 
+	qla_free_buf_pool(qpair);
+
 	ret = qla25xx_delete_req_que(vha, qpair->req);
 	if (ret != QLA_SUCCESS)
 		goto fail;
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index 5185dc5daf80..cce6e425c121 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -380,24 +380,26 @@ qla2xxx_get_fc4_priority(struct scsi_qla_host *vha)
 
 enum {
 	RESOURCE_NONE,
-	RESOURCE_INI,
+	RESOURCE_IOCB = BIT_0,
+	RESOURCE_EXCH = BIT_1,  /* exchange */
+	RESOURCE_FORCE = BIT_2,
 };
 
 static inline int
-qla_get_iocbs(struct qla_qpair *qp, struct iocb_resource *iores)
+qla_get_fw_resources(struct qla_qpair *qp, struct iocb_resource *iores)
 {
 	u16 iocbs_used, i;
+	u16 exch_used;
 	struct qla_hw_data *ha = qp->vha->hw;
 
 	if (!ql2xenforce_iocb_limit) {
 		iores->res_type = RESOURCE_NONE;
 		return 0;
 	}
+	if (iores->res_type & RESOURCE_FORCE)
+		goto force;
 
-	if ((iores->iocb_cnt + qp->fwres.iocbs_used) < qp->fwres.iocbs_qp_limit) {
-		qp->fwres.iocbs_used += iores->iocb_cnt;
-		return 0;
-	} else {
+	if ((iores->iocb_cnt + qp->fwres.iocbs_used) >= qp->fwres.iocbs_qp_limit) {
 		/* no need to acquire qpair lock. It's just rough calculation */
 		iocbs_used = ha->base_qpair->fwres.iocbs_used;
 		for (i = 0; i < ha->max_qpairs; i++) {
@@ -405,30 +407,49 @@ qla_get_iocbs(struct qla_qpair *qp, struct iocb_resource *iores)
 				iocbs_used += ha->queue_pair_map[i]->fwres.iocbs_used;
 		}
 
-		if ((iores->iocb_cnt + iocbs_used) < qp->fwres.iocbs_limit) {
-			qp->fwres.iocbs_used += iores->iocb_cnt;
-			return 0;
-		} else {
+		if ((iores->iocb_cnt + iocbs_used) >= qp->fwres.iocbs_limit) {
+			iores->res_type = RESOURCE_NONE;
+			return -ENOSPC;
+		}
+	}
+
+	if (iores->res_type & RESOURCE_EXCH) {
+		exch_used = ha->base_qpair->fwres.exch_used;
+		for (i = 0; i < ha->max_qpairs; i++) {
+			if (ha->queue_pair_map[i])
+				exch_used += ha->queue_pair_map[i]->fwres.exch_used;
+		}
+
+		if ((exch_used + iores->exch_cnt) >= qp->fwres.exch_limit) {
 			iores->res_type = RESOURCE_NONE;
 			return -ENOSPC;
 		}
 	}
+force:
+	qp->fwres.iocbs_used += iores->iocb_cnt;
+	qp->fwres.exch_used += iores->exch_cnt;
+	return 0;
 }
 
 static inline void
-qla_put_iocbs(struct qla_qpair *qp, struct iocb_resource *iores)
+qla_put_fw_resources(struct qla_qpair *qp, struct iocb_resource *iores)
 {
-	switch (iores->res_type) {
-	case RESOURCE_NONE:
-		break;
-	default:
+	if (iores->res_type & RESOURCE_IOCB) {
 		if (qp->fwres.iocbs_used >= iores->iocb_cnt) {
 			qp->fwres.iocbs_used -= iores->iocb_cnt;
 		} else {
-			// should not happen
+			/* should not happen */
 			qp->fwres.iocbs_used = 0;
 		}
-		break;
+	}
+
+	if (iores->res_type & RESOURCE_EXCH) {
+		if (qp->fwres.exch_used >= iores->exch_cnt) {
+			qp->fwres.exch_used -= iores->exch_cnt;
+		} else {
+			/* should not happen */
+			qp->fwres.exch_used = 0;
+		}
 	}
 	iores->res_type = RESOURCE_NONE;
 }
@@ -494,3 +515,58 @@ fcport_is_bigger(fc_port_t *fcport)
 {
 	return !fcport_is_smaller(fcport);
 }
+
+static inline struct qla_qpair *
+qla_mapq_nvme_select_qpair(struct qla_hw_data *ha, struct qla_qpair *qpair)
+{
+	int cpuid = smp_processor_id();
+
+	if (qpair->cpuid != cpuid &&
+	    ha->qp_cpu_map[cpuid]) {
+		qpair = ha->qp_cpu_map[cpuid];
+	}
+	return qpair;
+}
+
+static inline void
+qla_mapq_init_qp_cpu_map(struct qla_hw_data *ha,
+			 struct qla_msix_entry *msix,
+			 struct qla_qpair *qpair)
+{
+	const struct cpumask *mask;
+	unsigned int cpu;
+
+	if (!ha->qp_cpu_map)
+		return;
+	mask = pci_irq_get_affinity(ha->pdev, msix->vector_base0);
+	qpair->cpuid = cpumask_first(mask);
+	for_each_cpu(cpu, mask) {
+		ha->qp_cpu_map[cpu] = qpair;
+	}
+	msix->cpuid = qpair->cpuid;
+}
+
+static inline void
+qla_mapq_free_qp_cpu_map(struct qla_hw_data *ha)
+{
+	if (ha->qp_cpu_map) {
+		kfree(ha->qp_cpu_map);
+		ha->qp_cpu_map = NULL;
+	}
+}
+
+static inline int qla_mapq_alloc_qp_cpu_map(struct qla_hw_data *ha)
+{
+	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+
+	if (!ha->qp_cpu_map) {
+		ha->qp_cpu_map = kcalloc(NR_CPUS, sizeof(struct qla_qpair *),
+					 GFP_KERNEL);
+		if (!ha->qp_cpu_map) {
+			ql_log(ql_log_fatal, vha, 0x0180,
+			       "Unable to allocate memory for qp_cpu_map ptrs.\n");
+			return -1;
+		}
+	}
+	return 0;
+}
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 42ce4e1fe744..b9b3e6f80ea9 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -623,7 +623,7 @@ qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
 	}
 
 	cur_seg = scsi_sglist(cmd);
-	ctx = sp->u.scmd.ct6_ctx;
+	ctx = &sp->u.scmd.ct6_ctx;
 
 	while (tot_dsds) {
 		avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ?
@@ -1589,9 +1589,10 @@ qla24xx_start_scsi(srb_t *sp)
 	tot_dsds = nseg;
 	req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
 
-	sp->iores.res_type = RESOURCE_INI;
+	sp->iores.res_type = RESOURCE_IOCB | RESOURCE_EXCH;
+	sp->iores.exch_cnt = 1;
 	sp->iores.iocb_cnt = req_cnt;
-	if (qla_get_iocbs(sp->qpair, &sp->iores))
+	if (qla_get_fw_resources(sp->qpair, &sp->iores))
 		goto queuing_error;
 
 	if (req->cnt < (req_cnt + 2)) {
@@ -1678,7 +1679,7 @@ queuing_error:
 	if (tot_dsds)
 		scsi_dma_unmap(cmd);
 
-	qla_put_iocbs(sp->qpair, &sp->iores);
+	qla_put_fw_resources(sp->qpair, &sp->iores);
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	return QLA_FUNCTION_FAILED;
@@ -1793,9 +1794,10 @@ qla24xx_dif_start_scsi(srb_t *sp)
 	tot_prot_dsds = nseg;
 	tot_dsds += nseg;
 
-	sp->iores.res_type = RESOURCE_INI;
+	sp->iores.res_type = RESOURCE_IOCB | RESOURCE_EXCH;
+	sp->iores.exch_cnt = 1;
 	sp->iores.iocb_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
-	if (qla_get_iocbs(sp->qpair, &sp->iores))
+	if (qla_get_fw_resources(sp->qpair, &sp->iores))
 		goto queuing_error;
 
 	if (req->cnt < (req_cnt + 2)) {
@@ -1883,7 +1885,7 @@ queuing_error:
 	}
 	/* Cleanup will be performed by the caller (queuecommand) */
 
-	qla_put_iocbs(sp->qpair, &sp->iores);
+	qla_put_fw_resources(sp->qpair, &sp->iores);
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	return QLA_FUNCTION_FAILED;
@@ -1952,9 +1954,10 @@ qla2xxx_start_scsi_mq(srb_t *sp)
 	tot_dsds = nseg;
 	req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
 
-	sp->iores.res_type = RESOURCE_INI;
+	sp->iores.res_type = RESOURCE_IOCB | RESOURCE_EXCH;
+	sp->iores.exch_cnt = 1;
 	sp->iores.iocb_cnt = req_cnt;
-	if (qla_get_iocbs(sp->qpair, &sp->iores))
+	if (qla_get_fw_resources(sp->qpair, &sp->iores))
 		goto queuing_error;
 
 	if (req->cnt < (req_cnt + 2)) {
@@ -2041,7 +2044,7 @@ queuing_error:
 	if (tot_dsds)
 		scsi_dma_unmap(cmd);
 
-	qla_put_iocbs(sp->qpair, &sp->iores);
+	qla_put_fw_resources(sp->qpair, &sp->iores);
 	spin_unlock_irqrestore(&qpair->qp_lock, flags);
 
 	return QLA_FUNCTION_FAILED;
@@ -2171,9 +2174,10 @@ qla2xxx_dif_start_scsi_mq(srb_t *sp)
 	tot_prot_dsds = nseg;
 	tot_dsds += nseg;
 
-	sp->iores.res_type = RESOURCE_INI;
+	sp->iores.res_type = RESOURCE_IOCB | RESOURCE_EXCH;
+	sp->iores.exch_cnt = 1;
 	sp->iores.iocb_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
-	if (qla_get_iocbs(sp->qpair, &sp->iores))
+	if (qla_get_fw_resources(sp->qpair, &sp->iores))
 		goto queuing_error;
 
 	if (req->cnt < (req_cnt + 2)) {
@@ -2260,7 +2264,7 @@ queuing_error:
 	}
 	/* Cleanup will be performed by the caller (queuecommand) */
 
-	qla_put_iocbs(sp->qpair, &sp->iores);
+	qla_put_fw_resources(sp->qpair, &sp->iores);
 	spin_unlock_irqrestore(&qpair->qp_lock, flags);
 
 	return QLA_FUNCTION_FAILED;
@@ -2916,7 +2920,7 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res)
 					conflict_fcport->conflict = fcport;
 					fcport->login_pause = 1;
 					ql_dbg(ql_dbg_disc, vha, 0x20ed,
-					    "%s %d %8phC pid %06x inuse with lid %#x post gidpn\n",
+					    "%s %d %8phC pid %06x inuse with lid %#x.\n",
 					    __func__, __LINE__,
 					    fcport->port_name,
 					    fcport->d_id.b24, lid);
@@ -3455,13 +3459,7 @@ sufficient_dsds:
 				goto queuing_error;
 		}
 
-		ctx = sp->u.scmd.ct6_ctx =
-		    mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
-		if (!ctx) {
-			ql_log(ql_log_fatal, vha, 0x3010,
-			    "Failed to allocate ctx for cmd=%p.\n", cmd);
-			goto queuing_error;
-		}
+		ctx = &sp->u.scmd.ct6_ctx;
 
 		memset(ctx, 0, sizeof(struct ct6_dsd));
 		ctx->fcp_cmnd = dma_pool_zalloc(ha->fcp_cmnd_dma_pool,
@@ -3813,6 +3811,65 @@ qla24xx_prlo_iocb(srb_t *sp, struct logio_entry_24xx *logio)
 	logio->vp_index = sp->fcport->vha->vp_idx;
 }
 
+static int qla_get_iocbs_resource(struct srb *sp)
+{
+	bool get_exch;
+	bool push_it_through = false;
+
+	if (!ql2xenforce_iocb_limit) {
+		sp->iores.res_type = RESOURCE_NONE;
+		return 0;
+	}
+	sp->iores.res_type = RESOURCE_NONE;
+
+	switch (sp->type) {
+	case SRB_TM_CMD:
+	case SRB_PRLI_CMD:
+	case SRB_ADISC_CMD:
+		push_it_through = true;
+		fallthrough;
+	case SRB_LOGIN_CMD:
+	case SRB_ELS_CMD_RPT:
+	case SRB_ELS_CMD_HST:
+	case SRB_ELS_CMD_HST_NOLOGIN:
+	case SRB_CT_CMD:
+	case SRB_NVME_LS:
+	case SRB_ELS_DCMD:
+		get_exch = true;
+		break;
+
+	case SRB_FXIOCB_DCMD:
+	case SRB_FXIOCB_BCMD:
+		sp->iores.res_type = RESOURCE_NONE;
+		return 0;
+
+	case SRB_SA_UPDATE:
+	case SRB_SA_REPLACE:
+	case SRB_MB_IOCB:
+	case SRB_ABT_CMD:
+	case SRB_NACK_PLOGI:
+	case SRB_NACK_PRLI:
+	case SRB_NACK_LOGO:
+	case SRB_LOGOUT_CMD:
+	case SRB_CTRL_VP:
+		push_it_through = true;
+		fallthrough;
+	default:
+		get_exch = false;
+	}
+
+	sp->iores.res_type |= RESOURCE_IOCB;
+	sp->iores.iocb_cnt = 1;
+	if (get_exch) {
+		sp->iores.res_type |= RESOURCE_EXCH;
+		sp->iores.exch_cnt = 1;
+	}
+	if (push_it_through)
+		sp->iores.res_type |= RESOURCE_FORCE;
+
+	return qla_get_fw_resources(sp->qpair, &sp->iores);
+}
+
 int
 qla2x00_start_sp(srb_t *sp)
 {
@@ -3827,6 +3884,12 @@ qla2x00_start_sp(srb_t *sp)
 		return -EIO;
 
 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
+	rval = qla_get_iocbs_resource(sp);
+	if (rval) {
+		spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
+		return -EAGAIN;
+	}
+
 	pkt = __qla2x00_alloc_iocbs(sp->qpair, sp);
 	if (!pkt) {
 		rval = EAGAIN;
@@ -3927,6 +3990,8 @@ qla2x00_start_sp(srb_t *sp)
 	wmb();
 	qla2x00_start_iocbs(vha, qp->req);
 done:
+	if (rval)
+		qla_put_fw_resources(sp->qpair, &sp->iores);
 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
 	return rval;
 }
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index e19fde304e5c..46e8b38603f0 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -3112,6 +3112,7 @@ qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
 	}
 	bsg_reply->reply_payload_rcv_len = 0;
 
+	qla_put_fw_resources(sp->qpair, &sp->iores);
 done:
 	/* Return the vendor specific reply to API */
 	bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
@@ -3197,7 +3198,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 		}
 		return;
 	}
-	qla_put_iocbs(sp->qpair, &sp->iores);
+	qla_put_fw_resources(sp->qpair, &sp->iores);
 
 	if (sp->cmd_type != TYPE_SRB) {
 		req->outstanding_cmds[handle] = NULL;
@@ -3362,8 +3363,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 				       "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
 				       resid, scsi_bufflen(cp));
 
-				vha->interface_err_cnt++;
-
 				res = DID_ERROR << 16 | lscsi_status;
 				goto check_scsi_status;
 			}
@@ -3618,7 +3617,6 @@ qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
 	default:
 		sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
 		if (sp) {
-			qla_put_iocbs(sp->qpair, &sp->iores);
 			sp->done(sp, res);
 			return 0;
 		}
@@ -3771,7 +3769,6 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
 
 	if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) {
 		rsp->qpair->rcv_intr = 1;
-		qla_cpu_update(rsp->qpair, smp_processor_id());
 	}
 
 #define __update_rsp_in(_is_shadow_hba, _rsp, _rsp_in)			\
@@ -4379,6 +4376,7 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
 	for (i = 0; i < ha->msix_count; i++) {
 		qentry = &ha->msix_entries[i];
 		qentry->vector = pci_irq_vector(ha->pdev, i);
+		qentry->vector_base0 = i;
 		qentry->entry = i;
 		qentry->have_irq = 0;
 		qentry->in_use = 0;
@@ -4606,5 +4604,6 @@ int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
 	}
 	msix->have_irq = 1;
 	msix->handle = qpair;
+	qla_mapq_init_qp_cpu_map(ha, msix, qpair);
 	return ret;
 }
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 359595a64664..254fd4c64262 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -4010,7 +4010,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
 		    rptid_entry->port_id[2], rptid_entry->port_id[1],
 		    rptid_entry->port_id[0]);
 		ha->current_topology = ISP_CFG_NL;
-		qlt_update_host_map(vha, id);
+		qla_update_host_map(vha, id);
 
 	} else if (rptid_entry->format == 1) {
 		/* fabric */
@@ -4126,7 +4126,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
 					    WWN_SIZE);
 				}
 
-				qlt_update_host_map(vha, id);
+				qla_update_host_map(vha, id);
 			}
 
 			set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
@@ -4153,7 +4153,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
 			if (!found)
 				return;
 
-			qlt_update_host_map(vp, id);
+			qla_update_host_map(vp, id);
 
 			/*
 			 * Cannot configure here as we are still sitting on the
@@ -4184,7 +4184,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
 
 		ha->flags.n2n_ae = 1;
 		spin_lock_irqsave(&ha->vport_slock, flags);
-		qlt_update_vp_map(vha, SET_AL_PA);
+		qla_update_vp_map(vha, SET_AL_PA);
 		spin_unlock_irqrestore(&ha->vport_slock, flags);
 
 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index 16a9f22bb860..78661b658dcd 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -52,7 +52,7 @@ qla24xx_allocate_vp_id(scsi_qla_host_t *vha)
 	spin_unlock_irqrestore(&ha->vport_slock, flags);
 
 	spin_lock_irqsave(&ha->hardware_lock, flags);
-	qlt_update_vp_map(vha, SET_VP_IDX);
+	qla_update_vp_map(vha, SET_VP_IDX);
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	mutex_unlock(&ha->vport_lock);
@@ -80,7 +80,7 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha)
 		spin_lock_irqsave(&ha->vport_slock, flags);
 		if (atomic_read(&vha->vref_count) == 0) {
 			list_del(&vha->list);
-			qlt_update_vp_map(vha, RESET_VP_IDX);
+			qla_update_vp_map(vha, RESET_VP_IDX);
 			bailout = 1;
 		}
 		spin_unlock_irqrestore(&ha->vport_slock, flags);
@@ -95,7 +95,7 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha)
 			"vha->vref_count=%u timeout\n", vha->vref_count.counter);
 		spin_lock_irqsave(&ha->vport_slock, flags);
 		list_del(&vha->list);
-		qlt_update_vp_map(vha, RESET_VP_IDX);
+		qla_update_vp_map(vha, RESET_VP_IDX);
 		spin_unlock_irqrestore(&ha->vport_slock, flags);
 	}
 
@@ -187,7 +187,7 @@ qla24xx_disable_vp(scsi_qla_host_t *vha)
 
 	/* Remove port id from vp target map */
 	spin_lock_irqsave(&vha->hw->hardware_lock, flags);
-	qlt_update_vp_map(vha, RESET_AL_PA);
+	qla_update_vp_map(vha, RESET_AL_PA);
 	spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
 
 	qla2x00_mark_vp_devices_dead(vha);
@@ -384,15 +384,6 @@ qla2x00_do_dpc_vp(scsi_qla_host_t *vha)
 		}
 	}
 
-	if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) {
-		ql_dbg(ql_dbg_dpc, vha, 0x4016,
-		    "FCPort update scheduled.\n");
-		qla2x00_update_fcports(vha);
-		clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
-		ql_dbg(ql_dbg_dpc, vha, 0x4017,
-		    "FCPort update end.\n");
-	}
-
 	if (test_bit(RELOGIN_NEEDED, &vha->dpc_flags) &&
 	    !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) &&
 	    atomic_read(&vha->loop_state) != LOOP_DOWN) {
@@ -1014,3 +1005,288 @@ done:
 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
 	return rval;
 }
+
+struct scsi_qla_host *qla_find_host_by_vp_idx(struct scsi_qla_host *vha, uint16_t vp_idx)
+{
+	struct qla_hw_data *ha = vha->hw;
+
+	if (vha->vp_idx == vp_idx)
+		return vha;
+
+	BUG_ON(ha->vp_map == NULL);
+	if (likely(test_bit(vp_idx, ha->vp_idx_map)))
+		return ha->vp_map[vp_idx].vha;
+
+	return NULL;
+}
+
+/* vport_slock to be held by the caller */
+void
+qla_update_vp_map(struct scsi_qla_host *vha, int cmd)
+{
+	void *slot;
+	u32 key;
+	int rc;
+
+	if (!vha->hw->vp_map)
+		return;
+
+	key = vha->d_id.b24;
+
+	switch (cmd) {
+	case SET_VP_IDX:
+		vha->hw->vp_map[vha->vp_idx].vha = vha;
+		break;
+	case SET_AL_PA:
+		slot = btree_lookup32(&vha->hw->host_map, key);
+		if (!slot) {
+			ql_dbg(ql_dbg_disc, vha, 0xf018,
+			    "Save vha in host_map %p %06x\n", vha, key);
+			rc = btree_insert32(&vha->hw->host_map,
+			    key, vha, GFP_ATOMIC);
+			if (rc)
+				ql_log(ql_log_info, vha, 0xd03e,
+				    "Unable to insert s_id into host_map: %06x\n",
+				    key);
+			return;
+		}
+		ql_dbg(ql_dbg_disc, vha, 0xf019,
+		    "replace existing vha in host_map %p %06x\n", vha, key);
+		btree_update32(&vha->hw->host_map, key, vha);
+		break;
+	case RESET_VP_IDX:
+		vha->hw->vp_map[vha->vp_idx].vha = NULL;
+		break;
+	case RESET_AL_PA:
+		ql_dbg(ql_dbg_disc, vha, 0xf01a,
+		    "clear vha in host_map %p %06x\n", vha, key);
+		slot = btree_lookup32(&vha->hw->host_map, key);
+		if (slot)
+			btree_remove32(&vha->hw->host_map, key);
+		vha->d_id.b24 = 0;
+		break;
+	}
+}
+
+void qla_update_host_map(struct scsi_qla_host *vha, port_id_t id)
+{
+
+	if (!vha->d_id.b24) {
+		vha->d_id = id;
+		qla_update_vp_map(vha, SET_AL_PA);
+	} else if (vha->d_id.b24 != id.b24) {
+		qla_update_vp_map(vha, RESET_AL_PA);
+		vha->d_id = id;
+		qla_update_vp_map(vha, SET_AL_PA);
+	}
+}
+
+int qla_create_buf_pool(struct scsi_qla_host *vha, struct qla_qpair *qp)
+{
+	int sz;
+
+	qp->buf_pool.num_bufs = qp->req->length;
+
+	sz = BITS_TO_LONGS(qp->req->length);
+	qp->buf_pool.buf_map   = kcalloc(sz, sizeof(long), GFP_KERNEL);
+	if (!qp->buf_pool.buf_map) {
+		ql_log(ql_log_warn, vha, 0x0186,
+		    "Failed to allocate buf_map(%zd).\n", sz * sizeof(unsigned long));
+		return -ENOMEM;
+	}
+	sz = qp->req->length * sizeof(void *);
+	qp->buf_pool.buf_array = kcalloc(qp->req->length, sizeof(void *), GFP_KERNEL);
+	if (!qp->buf_pool.buf_array) {
+		ql_log(ql_log_warn, vha, 0x0186,
+		    "Failed to allocate buf_array(%d).\n", sz);
+		kfree(qp->buf_pool.buf_map);
+		return -ENOMEM;
+	}
+	sz = qp->req->length * sizeof(dma_addr_t);
+	qp->buf_pool.dma_array = kcalloc(qp->req->length, sizeof(dma_addr_t), GFP_KERNEL);
+	if (!qp->buf_pool.dma_array) {
+		ql_log(ql_log_warn, vha, 0x0186,
+		    "Failed to allocate dma_array(%d).\n", sz);
+		kfree(qp->buf_pool.buf_map);
+		kfree(qp->buf_pool.buf_array);
+		return -ENOMEM;
+	}
+	set_bit(0, qp->buf_pool.buf_map);
+	return 0;
+}
+
+void qla_free_buf_pool(struct qla_qpair *qp)
+{
+	int i;
+	struct qla_hw_data *ha = qp->vha->hw;
+
+	for (i = 0; i < qp->buf_pool.num_bufs; i++) {
+		if (qp->buf_pool.buf_array[i] && qp->buf_pool.dma_array[i])
+			dma_pool_free(ha->fcp_cmnd_dma_pool, qp->buf_pool.buf_array[i],
+			    qp->buf_pool.dma_array[i]);
+		qp->buf_pool.buf_array[i] = NULL;
+		qp->buf_pool.dma_array[i] = 0;
+	}
+
+	kfree(qp->buf_pool.dma_array);
+	kfree(qp->buf_pool.buf_array);
+	kfree(qp->buf_pool.buf_map);
+}
+
+/* it is assume qp->qp_lock is held at this point */
+int qla_get_buf(struct scsi_qla_host *vha, struct qla_qpair *qp, struct qla_buf_dsc *dsc)
+{
+	u16 tag, i = 0;
+	void *buf;
+	dma_addr_t buf_dma;
+	struct qla_hw_data *ha = vha->hw;
+
+	dsc->tag = TAG_FREED;
+again:
+	tag = find_first_zero_bit(qp->buf_pool.buf_map, qp->buf_pool.num_bufs);
+	if (tag >= qp->buf_pool.num_bufs) {
+		ql_dbg(ql_dbg_io, vha, 0x00e2,
+		    "qp(%d) ran out of buf resource.\n", qp->id);
+		return  -EIO;
+	}
+	if (tag == 0) {
+		set_bit(0, qp->buf_pool.buf_map);
+		i++;
+		if (i == 5) {
+			ql_dbg(ql_dbg_io, vha, 0x00e3,
+			    "qp(%d) unable to get tag.\n", qp->id);
+			return -EIO;
+		}
+		goto again;
+	}
+
+	if (!qp->buf_pool.buf_array[tag]) {
+		buf = dma_pool_zalloc(ha->fcp_cmnd_dma_pool, GFP_ATOMIC, &buf_dma);
+		if (!buf) {
+			ql_log(ql_log_fatal, vha, 0x13b1,
+			    "Failed to allocate buf.\n");
+			return -ENOMEM;
+		}
+
+		dsc->buf = qp->buf_pool.buf_array[tag] = buf;
+		dsc->buf_dma = qp->buf_pool.dma_array[tag] = buf_dma;
+		qp->buf_pool.num_alloc++;
+	} else {
+		dsc->buf = qp->buf_pool.buf_array[tag];
+		dsc->buf_dma = qp->buf_pool.dma_array[tag];
+		memset(dsc->buf, 0, FCP_CMND_DMA_POOL_SIZE);
+	}
+
+	qp->buf_pool.num_active++;
+	if (qp->buf_pool.num_active > qp->buf_pool.max_used)
+		qp->buf_pool.max_used = qp->buf_pool.num_active;
+
+	dsc->tag = tag;
+	set_bit(tag, qp->buf_pool.buf_map);
+	return 0;
+}
+
+static void qla_trim_buf(struct qla_qpair *qp, u16 trim)
+{
+	int i, j;
+	struct qla_hw_data *ha = qp->vha->hw;
+
+	if (!trim)
+		return;
+
+	for (i = 0; i < trim; i++) {
+		j = qp->buf_pool.num_alloc - 1;
+		if (test_bit(j, qp->buf_pool.buf_map)) {
+			ql_dbg(ql_dbg_io + ql_dbg_verbose, qp->vha, 0x300b,
+			       "QP id(%d): trim active buf[%d]. Remain %d bufs\n",
+			       qp->id, j, qp->buf_pool.num_alloc);
+			return;
+		}
+
+		if (qp->buf_pool.buf_array[j]) {
+			dma_pool_free(ha->fcp_cmnd_dma_pool, qp->buf_pool.buf_array[j],
+				      qp->buf_pool.dma_array[j]);
+			qp->buf_pool.buf_array[j] = NULL;
+			qp->buf_pool.dma_array[j] = 0;
+		}
+		qp->buf_pool.num_alloc--;
+		if (!qp->buf_pool.num_alloc)
+			break;
+	}
+	ql_dbg(ql_dbg_io + ql_dbg_verbose, qp->vha, 0x3010,
+	       "QP id(%d): trimmed %d bufs. Remain %d bufs\n",
+	       qp->id, trim, qp->buf_pool.num_alloc);
+}
+
+static void __qla_adjust_buf(struct qla_qpair *qp)
+{
+	u32 trim;
+
+	qp->buf_pool.take_snapshot = 0;
+	qp->buf_pool.prev_max = qp->buf_pool.max_used;
+	qp->buf_pool.max_used = qp->buf_pool.num_active;
+
+	if (qp->buf_pool.prev_max > qp->buf_pool.max_used &&
+	    qp->buf_pool.num_alloc > qp->buf_pool.max_used) {
+		/* down trend */
+		trim = qp->buf_pool.num_alloc - qp->buf_pool.max_used;
+		trim  = (trim * 10) / 100;
+		trim = trim ? trim : 1;
+		qla_trim_buf(qp, trim);
+	} else if (!qp->buf_pool.prev_max  && !qp->buf_pool.max_used) {
+		/* 2 periods of no io */
+		qla_trim_buf(qp, qp->buf_pool.num_alloc);
+	}
+}
+
+/* it is assume qp->qp_lock is held at this point */
+void qla_put_buf(struct qla_qpair *qp, struct qla_buf_dsc *dsc)
+{
+	if (dsc->tag == TAG_FREED)
+		return;
+	lockdep_assert_held(qp->qp_lock_ptr);
+
+	clear_bit(dsc->tag, qp->buf_pool.buf_map);
+	qp->buf_pool.num_active--;
+	dsc->tag = TAG_FREED;
+
+	if (qp->buf_pool.take_snapshot)
+		__qla_adjust_buf(qp);
+}
+
+#define EXPIRE (60 * HZ)
+void qla_adjust_buf(struct scsi_qla_host *vha)
+{
+	unsigned long flags;
+	int i;
+	struct qla_qpair *qp;
+
+	if (vha->vp_idx)
+		return;
+
+	if (!vha->buf_expired) {
+		vha->buf_expired = jiffies + EXPIRE;
+		return;
+	}
+	if (time_before(jiffies, vha->buf_expired))
+		return;
+
+	vha->buf_expired = jiffies + EXPIRE;
+
+	for (i = 0; i < vha->hw->num_qpairs; i++) {
+		qp = vha->hw->queue_pair_map[i];
+		if (!qp)
+			continue;
+		if (!qp->buf_pool.num_alloc)
+			continue;
+
+		if (qp->buf_pool.take_snapshot) {
+			/* no io has gone through in the last EXPIRE period */
+			spin_lock_irqsave(qp->qp_lock_ptr, flags);
+			__qla_adjust_buf(qp);
+			spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
+		} else {
+			qp->buf_pool.take_snapshot = 1;
+		}
+	}
+}
diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c
index 02fdeb0d31ec..648e8f798606 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.c
+++ b/drivers/scsi/qla2xxx/qla_nvme.c
@@ -170,18 +170,6 @@ out:
 	qla2xxx_rel_qpair_sp(sp->qpair, sp);
 }
 
-static void qla_nvme_ls_unmap(struct srb *sp, struct nvmefc_ls_req *fd)
-{
-	if (sp->flags & SRB_DMA_VALID) {
-		struct srb_iocb *nvme = &sp->u.iocb_cmd;
-		struct qla_hw_data *ha = sp->fcport->vha->hw;
-
-		dma_unmap_single(&ha->pdev->dev, nvme->u.nvme.cmd_dma,
-				 fd->rqstlen, DMA_TO_DEVICE);
-		sp->flags &= ~SRB_DMA_VALID;
-	}
-}
-
 static void qla_nvme_release_ls_cmd_kref(struct kref *kref)
 {
 	struct srb *sp = container_of(kref, struct srb, cmd_kref);
@@ -199,7 +187,6 @@ static void qla_nvme_release_ls_cmd_kref(struct kref *kref)
 
 	fd = priv->fd;
 
-	qla_nvme_ls_unmap(sp, fd);
 	fd->done(fd, priv->comp_status);
 out:
 	qla2x00_rel_sp(sp);
@@ -365,13 +352,10 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
 	nvme->u.nvme.rsp_len = fd->rsplen;
 	nvme->u.nvme.rsp_dma = fd->rspdma;
 	nvme->u.nvme.timeout_sec = fd->timeout;
-	nvme->u.nvme.cmd_dma = dma_map_single(&ha->pdev->dev, fd->rqstaddr,
-	    fd->rqstlen, DMA_TO_DEVICE);
+	nvme->u.nvme.cmd_dma = fd->rqstdma;
 	dma_sync_single_for_device(&ha->pdev->dev, nvme->u.nvme.cmd_dma,
 	    fd->rqstlen, DMA_TO_DEVICE);
 
-	sp->flags |= SRB_DMA_VALID;
-
 	rval = qla2x00_start_sp(sp);
 	if (rval != QLA_SUCCESS) {
 		ql_log(ql_log_warn, vha, 0x700e,
@@ -379,7 +363,6 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
 		wake_up(&sp->nvme_ls_waitq);
 		sp->priv = NULL;
 		priv->sp = NULL;
-		qla_nvme_ls_unmap(sp, fd);
 		qla2x00_rel_sp(sp);
 		return rval;
 	}
@@ -445,13 +428,24 @@ static inline int qla2x00_start_nvme_mq(srb_t *sp)
 		goto queuing_error;
 	}
 	req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
+
+	sp->iores.res_type = RESOURCE_IOCB | RESOURCE_EXCH;
+	sp->iores.exch_cnt = 1;
+	sp->iores.iocb_cnt = req_cnt;
+	if (qla_get_fw_resources(sp->qpair, &sp->iores)) {
+		rval = -EBUSY;
+		goto queuing_error;
+	}
+
 	if (req->cnt < (req_cnt + 2)) {
 		if (IS_SHADOW_REG_CAPABLE(ha)) {
 			cnt = *req->out_ptr;
 		} else {
 			cnt = rd_reg_dword_relaxed(req->req_q_out);
-			if (qla2x00_check_reg16_for_disconnect(vha, cnt))
+			if (qla2x00_check_reg16_for_disconnect(vha, cnt)) {
+				rval = -EBUSY;
 				goto queuing_error;
+			}
 		}
 
 		if (req->ring_index < cnt)
@@ -600,6 +594,8 @@ static inline int qla2x00_start_nvme_mq(srb_t *sp)
 		qla24xx_process_response_queue(vha, rsp);
 
 queuing_error:
+	if (rval)
+		qla_put_fw_resources(sp->qpair, &sp->iores);
 	spin_unlock_irqrestore(&qpair->qp_lock, flags);
 
 	return rval;
@@ -613,6 +609,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
 	fc_port_t *fcport;
 	struct srb_iocb *nvme;
 	struct scsi_qla_host *vha;
+	struct qla_hw_data *ha;
 	int rval;
 	srb_t *sp;
 	struct qla_qpair *qpair = hw_queue_handle;
@@ -633,6 +630,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
 		return -ENODEV;
 
 	vha = fcport->vha;
+	ha = vha->hw;
 
 	if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
 		return -EBUSY;
@@ -647,6 +645,8 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
 	if (fcport->nvme_flag & NVME_FLAG_RESETTING)
 		return -EBUSY;
 
+	qpair = qla_mapq_nvme_select_qpair(ha, qpair);
+
 	/* Alloc SRB structure */
 	sp = qla2xxx_get_qpair_sp(vha, qpair, fcport, GFP_ATOMIC);
 	if (!sp)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 7fb28c207ee5..545167627e48 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -472,6 +472,11 @@ static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
 			    "Unable to allocate memory for queue pair ptrs.\n");
 			goto fail_qpair_map;
 		}
+		if (qla_mapq_alloc_qp_cpu_map(ha) != 0) {
+			kfree(ha->queue_pair_map);
+			ha->queue_pair_map = NULL;
+			goto fail_qpair_map;
+		}
 	}
 
 	/*
@@ -546,6 +551,7 @@ static void qla2x00_free_queues(struct qla_hw_data *ha)
 		ha->base_qpair = NULL;
 	}
 
+	qla_mapq_free_qp_cpu_map(ha);
 	spin_lock_irqsave(&ha->hardware_lock, flags);
 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 		if (!test_bit(cnt, ha->req_qid_map))
@@ -733,15 +739,17 @@ void qla2x00_sp_free_dma(srb_t *sp)
 	}
 
 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
-		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
+		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
 
 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
 		    ctx1->fcp_cmnd_dma);
 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
-		mempool_free(ctx1, ha->ctx_mempool);
 	}
+
+	if (sp->flags & SRB_GOT_BUF)
+		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
 }
 
 void qla2x00_sp_compl(srb_t *sp, int res)
@@ -817,14 +825,13 @@ void qla2xxx_qpair_sp_free_dma(srb_t *sp)
 	}
 
 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
-		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
+		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
 
 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
 		    ctx1->fcp_cmnd_dma);
 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
-		mempool_free(ctx1, ha->ctx_mempool);
 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
 	}
 
@@ -834,6 +841,9 @@ void qla2xxx_qpair_sp_free_dma(srb_t *sp)
 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
 	}
+
+	if (sp->flags & SRB_GOT_BUF)
+		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
 }
 
 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
@@ -4118,10 +4128,16 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
 	char	name[16];
 	int rc;
 
+	if (QLA_TGT_MODE_ENABLED() || EDIF_CAP(ha)) {
+		ha->vp_map = kcalloc(MAX_MULTI_ID_FABRIC, sizeof(struct qla_vp_map), GFP_KERNEL);
+		if (!ha->vp_map)
+			goto fail;
+	}
+
 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
 		&ha->init_cb_dma, GFP_KERNEL);
 	if (!ha->init_cb)
-		goto fail;
+		goto fail_free_vp_map;
 
 	rc = btree_init32(&ha->host_map);
 	if (rc)
@@ -4540,6 +4556,8 @@ fail_free_init_cb:
 	ha->init_cb_dma);
 	ha->init_cb = NULL;
 	ha->init_cb_dma = 0;
+fail_free_vp_map:
+	kfree(ha->vp_map);
 fail:
 	ql_log(ql_log_fatal, NULL, 0x0030,
 	    "Memory allocation failure.\n");
@@ -4981,6 +4999,9 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 	ha->sf_init_cb = NULL;
 	ha->sf_init_cb_dma = 0;
 	ha->loop_id_map = NULL;
+
+	kfree(ha->vp_map);
+	ha->vp_map = NULL;
 }
 
 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
@@ -5016,7 +5037,6 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
 	INIT_LIST_HEAD(&vha->plogi_ack_list);
 	INIT_LIST_HEAD(&vha->qp_list);
 	INIT_LIST_HEAD(&vha->gnl.fcports);
-	INIT_LIST_HEAD(&vha->gpnid_list);
 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
 
 	INIT_LIST_HEAD(&vha->purex_list.head);
@@ -5461,9 +5481,6 @@ qla2x00_do_work(struct scsi_qla_host *vha)
 		case QLA_EVT_AENFX:
 			qlafx00_process_aen(vha, e);
 			break;
-		case QLA_EVT_GPNID:
-			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
-			break;
 		case QLA_EVT_UNMAP:
 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
 			break;
@@ -5506,9 +5523,6 @@ qla2x00_do_work(struct scsi_qla_host *vha)
 		case QLA_EVT_GNNFT_DONE:
 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
 			break;
-		case QLA_EVT_GNNID:
-			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
-			break;
 		case QLA_EVT_GFPNID:
 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
 			break;
@@ -7025,11 +7039,6 @@ qla2x00_do_dpc(void *data)
 			}
 		}
 
-		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
-		    &base_vha->dpc_flags)) {
-			qla2x00_update_fcports(base_vha);
-		}
-
 		if (IS_QLAFX00(ha))
 			goto loop_resync_check;
 
@@ -7094,9 +7103,12 @@ qla2x00_do_dpc(void *data)
 			}
 		}
 loop_resync_check:
-		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
+		if (!qla2x00_reset_active(base_vha) &&
+		    test_and_clear_bit(LOOP_RESYNC_NEEDED,
 		    &base_vha->dpc_flags)) {
-
+			/*
+			 * Allow abort_isp to complete before moving on to scanning.
+			 */
 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
 			    "Loop resync scheduled.\n");
 
@@ -7447,7 +7459,7 @@ qla2x00_timer(struct timer_list *t)
 
 		/* if the loop has been down for 4 minutes, reinit adapter */
 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
-			if (!(vha->device_flags & DFLG_NO_CABLE)) {
+			if (!(vha->device_flags & DFLG_NO_CABLE) && !vha->vp_idx) {
 				ql_log(ql_log_warn, vha, 0x6009,
 				    "Loop down - aborting ISP.\n");
 
@@ -7516,13 +7528,13 @@ qla2x00_timer(struct timer_list *t)
 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
 		start_dpc++;
 	}
+	qla_adjust_buf(vha);
 
 	/* borrowing w to signify dpc will run */
 	w = 0;
 	/* Schedule the DPC routine if needed */
 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
-	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
 	    start_dpc ||
 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
@@ -7533,13 +7545,10 @@ qla2x00_timer(struct timer_list *t)
 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
 		ql_dbg(ql_dbg_timer, vha, 0x600b,
 		    "isp_abort_needed=%d loop_resync_needed=%d "
-		    "fcport_update_needed=%d start_dpc=%d "
-		    "reset_marker_needed=%d",
+		    "start_dpc=%d reset_marker_needed=%d",
 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
-		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
-		    start_dpc,
-		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
+		    start_dpc, test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
 		ql_dbg(ql_dbg_timer, vha, 0x600c,
 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 548f22705ddc..aa0cf5ca6c1c 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -198,22 +198,6 @@ struct scsi_qla_host *qla_find_host_by_d_id(struct scsi_qla_host *vha,
 	return host;
 }
 
-static inline
-struct scsi_qla_host *qlt_find_host_by_vp_idx(struct scsi_qla_host *vha,
-	uint16_t vp_idx)
-{
-	struct qla_hw_data *ha = vha->hw;
-
-	if (vha->vp_idx == vp_idx)
-		return vha;
-
-	BUG_ON(ha->tgt.tgt_vp_map == NULL);
-	if (likely(test_bit(vp_idx, ha->vp_idx_map)))
-		return ha->tgt.tgt_vp_map[vp_idx].vha;
-
-	return NULL;
-}
-
 static inline void qlt_incr_num_pend_cmds(struct scsi_qla_host *vha)
 {
 	unsigned long flags;
@@ -371,7 +355,7 @@ static bool qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *vha,
 
 		if ((entry->u.isp24.vp_index != 0xFF) &&
 		    (entry->u.isp24.nport_handle != cpu_to_le16(0xFFFF))) {
-			host = qlt_find_host_by_vp_idx(vha,
+			host = qla_find_host_by_vp_idx(vha,
 			    entry->u.isp24.vp_index);
 			if (unlikely(!host)) {
 				ql_dbg(ql_dbg_tgt, vha, 0xe03f,
@@ -395,7 +379,7 @@ static bool qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *vha,
 	{
 		struct abts_recv_from_24xx *entry =
 			(struct abts_recv_from_24xx *)atio;
-		struct scsi_qla_host *host = qlt_find_host_by_vp_idx(vha,
+		struct scsi_qla_host *host = qla_find_host_by_vp_idx(vha,
 			entry->vp_index);
 		unsigned long flags;
 
@@ -438,7 +422,7 @@ void qlt_response_pkt_all_vps(struct scsi_qla_host *vha,
 	case CTIO_TYPE7:
 	{
 		struct ctio7_from_24xx *entry = (struct ctio7_from_24xx *)pkt;
-		struct scsi_qla_host *host = qlt_find_host_by_vp_idx(vha,
+		struct scsi_qla_host *host = qla_find_host_by_vp_idx(vha,
 		    entry->vp_index);
 		if (unlikely(!host)) {
 			ql_dbg(ql_dbg_tgt, vha, 0xe041,
@@ -457,7 +441,7 @@ void qlt_response_pkt_all_vps(struct scsi_qla_host *vha,
 		struct imm_ntfy_from_isp *entry =
 		    (struct imm_ntfy_from_isp *)pkt;
 
-		host = qlt_find_host_by_vp_idx(vha, entry->u.isp24.vp_index);
+		host = qla_find_host_by_vp_idx(vha, entry->u.isp24.vp_index);
 		if (unlikely(!host)) {
 			ql_dbg(ql_dbg_tgt, vha, 0xe042,
 			    "qla_target(%d): Response pkt (IMMED_NOTIFY_TYPE) "
@@ -475,7 +459,7 @@ void qlt_response_pkt_all_vps(struct scsi_qla_host *vha,
 		struct nack_to_isp *entry = (struct nack_to_isp *)pkt;
 
 		if (0xFF != entry->u.isp24.vp_index) {
-			host = qlt_find_host_by_vp_idx(vha,
+			host = qla_find_host_by_vp_idx(vha,
 			    entry->u.isp24.vp_index);
 			if (unlikely(!host)) {
 				ql_dbg(ql_dbg_tgt, vha, 0xe043,
@@ -495,7 +479,7 @@ void qlt_response_pkt_all_vps(struct scsi_qla_host *vha,
 	{
 		struct abts_recv_from_24xx *entry =
 		    (struct abts_recv_from_24xx *)pkt;
-		struct scsi_qla_host *host = qlt_find_host_by_vp_idx(vha,
+		struct scsi_qla_host *host = qla_find_host_by_vp_idx(vha,
 		    entry->vp_index);
 		if (unlikely(!host)) {
 			ql_dbg(ql_dbg_tgt, vha, 0xe044,
@@ -512,7 +496,7 @@ void qlt_response_pkt_all_vps(struct scsi_qla_host *vha,
 	{
 		struct abts_resp_to_24xx *entry =
 		    (struct abts_resp_to_24xx *)pkt;
-		struct scsi_qla_host *host = qlt_find_host_by_vp_idx(vha,
+		struct scsi_qla_host *host = qla_find_host_by_vp_idx(vha,
 		    entry->vp_index);
 		if (unlikely(!host)) {
 			ql_dbg(ql_dbg_tgt, vha, 0xe045,
@@ -1028,8 +1012,7 @@ void qlt_free_session_done(struct work_struct *work)
 		}
 
 		if (ha->flags.edif_enabled &&
-		    (!own || (own &&
-			      own->iocb.u.isp24.status_subcode == ELS_PLOGI))) {
+				(!own || own->iocb.u.isp24.status_subcode == ELS_PLOGI)) {
 			sess->edif.authok = 0;
 			if (!ha->flags.host_shutting_down) {
 				ql_dbg(ql_dbg_edif, vha, 0x911e,
@@ -7145,7 +7128,7 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha)
 
 	qlt_clear_mode(base_vha);
 
-	qlt_update_vp_map(base_vha, SET_VP_IDX);
+	qla_update_vp_map(base_vha, SET_VP_IDX);
 }
 
 irqreturn_t
@@ -7224,17 +7207,10 @@ qlt_mem_alloc(struct qla_hw_data *ha)
 	if (!QLA_TGT_MODE_ENABLED())
 		return 0;
 
-	ha->tgt.tgt_vp_map = kcalloc(MAX_MULTI_ID_FABRIC,
-				     sizeof(struct qla_tgt_vp_map),
-				     GFP_KERNEL);
-	if (!ha->tgt.tgt_vp_map)
-		return -ENOMEM;
-
 	ha->tgt.atio_ring = dma_alloc_coherent(&ha->pdev->dev,
 	    (ha->tgt.atio_q_length + 1) * sizeof(struct atio_from_isp),
 	    &ha->tgt.atio_dma, GFP_KERNEL);
 	if (!ha->tgt.atio_ring) {
-		kfree(ha->tgt.tgt_vp_map);
 		return -ENOMEM;
 	}
 	return 0;
@@ -7253,70 +7229,6 @@ qlt_mem_free(struct qla_hw_data *ha)
 	}
 	ha->tgt.atio_ring = NULL;
 	ha->tgt.atio_dma = 0;
-	kfree(ha->tgt.tgt_vp_map);
-	ha->tgt.tgt_vp_map = NULL;
-}
-
-/* vport_slock to be held by the caller */
-void
-qlt_update_vp_map(struct scsi_qla_host *vha, int cmd)
-{
-	void *slot;
-	u32 key;
-	int rc;
-
-	key = vha->d_id.b24;
-
-	switch (cmd) {
-	case SET_VP_IDX:
-		if (!QLA_TGT_MODE_ENABLED())
-			return;
-		vha->hw->tgt.tgt_vp_map[vha->vp_idx].vha = vha;
-		break;
-	case SET_AL_PA:
-		slot = btree_lookup32(&vha->hw->host_map, key);
-		if (!slot) {
-			ql_dbg(ql_dbg_tgt_mgt, vha, 0xf018,
-			    "Save vha in host_map %p %06x\n", vha, key);
-			rc = btree_insert32(&vha->hw->host_map,
-				key, vha, GFP_ATOMIC);
-			if (rc)
-				ql_log(ql_log_info, vha, 0xd03e,
-				    "Unable to insert s_id into host_map: %06x\n",
-				    key);
-			return;
-		}
-		ql_dbg(ql_dbg_tgt_mgt, vha, 0xf019,
-		    "replace existing vha in host_map %p %06x\n", vha, key);
-		btree_update32(&vha->hw->host_map, key, vha);
-		break;
-	case RESET_VP_IDX:
-		if (!QLA_TGT_MODE_ENABLED())
-			return;
-		vha->hw->tgt.tgt_vp_map[vha->vp_idx].vha = NULL;
-		break;
-	case RESET_AL_PA:
-		ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01a,
-		   "clear vha in host_map %p %06x\n", vha, key);
-		slot = btree_lookup32(&vha->hw->host_map, key);
-		if (slot)
-			btree_remove32(&vha->hw->host_map, key);
-		vha->d_id.b24 = 0;
-		break;
-	}
-}
-
-void qlt_update_host_map(struct scsi_qla_host *vha, port_id_t id)
-{
-
-	if (!vha->d_id.b24) {
-		vha->d_id = id;
-		qlt_update_vp_map(vha, SET_AL_PA);
-	} else if (vha->d_id.b24 != id.b24) {
-		qlt_update_vp_map(vha, RESET_AL_PA);
-		vha->d_id = id;
-		qlt_update_vp_map(vha, SET_AL_PA);
-	}
 }
 
 static int __init qlt_parse_ini_mode(void)
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index 7df86578214f..354fca2e7feb 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -1017,7 +1017,6 @@ extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
 extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int);
 extern int __init qlt_init(void);
 extern void qlt_exit(void);
-extern void qlt_update_vp_map(struct scsi_qla_host *, int);
 extern void qlt_free_session_done(struct work_struct *);
 /*
  * This macro is used during early initializations when host->active_mode
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 03f3e2cd62b5..42d69d89834f 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -6,9 +6,9 @@
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "10.02.07.900-k"
+#define QLA2XXX_VERSION      "10.02.08.200-k"
 
 #define QLA_DRIVER_MAJOR_VER	10
 #define QLA_DRIVER_MINOR_VER	2
-#define QLA_DRIVER_PATCH_VER	7
-#define QLA_DRIVER_BETA_VER	900
+#define QLA_DRIVER_PATCH_VER	8
+#define QLA_DRIVER_BETA_VER	200
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 8fa0056b56dd..8024322c9c5a 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -1552,6 +1552,7 @@ static const struct qla_tgt_func_tmpl tcm_qla2xxx_template = {
 static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport)
 {
 	int rc;
+	size_t map_sz;
 
 	rc = btree_init32(&lport->lport_fcport_map);
 	if (rc) {
@@ -1559,17 +1560,15 @@ static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport)
 		return rc;
 	}
 
-	lport->lport_loopid_map =
-		vzalloc(array_size(65536,
-				   sizeof(struct tcm_qla2xxx_fc_loopid)));
+	map_sz = array_size(65536, sizeof(struct tcm_qla2xxx_fc_loopid));
+
+	lport->lport_loopid_map = vzalloc(map_sz);
 	if (!lport->lport_loopid_map) {
-		pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n",
-		    sizeof(struct tcm_qla2xxx_fc_loopid) * 65536);
+		pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n", map_sz);
 		btree_destroy32(&lport->lport_fcport_map);
 		return -ENOMEM;
 	}
-	pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n",
-	       sizeof(struct tcm_qla2xxx_fc_loopid) * 65536);
+	pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n", map_sz);
 	return 0;
 }