1 files changed, 27 insertions, 120 deletions

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 8da00ba54aec..2bb015b58609 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -40,6 +40,11 @@ module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
 		 "Set this to take full dump on MPI hang.");
 
+int ql2xenforce_iocb_limit = 1;
+module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ql2xenforce_iocb_limit,
+		 "Enforce IOCB throttling, to avoid FW congestion. (default: 0)");
+
 /*
  * CT6 CTX allocation cache
  */
@@ -1885,7 +1890,7 @@ qla2x00_config_dma_addressing(struct qla_hw_data *ha)
 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
 		/* Any upper-dword bits set? */
 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
-		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
+		    !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
 			/* Ok, a 64bit DMA mask is applicable. */
 			ha->flags.enable_64bit_addressing = 1;
 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
@@ -1895,7 +1900,7 @@ qla2x00_config_dma_addressing(struct qla_hw_data *ha)
 	}
 
 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
-	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
+	dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
 }
 
 static void
@@ -3316,6 +3321,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		for (i = 0; i < ha->max_qpairs; i++)
 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
 	}
+	qla_init_iocb_limit(base_vha);
 
 	if (ha->flags.running_gold_fw)
 		goto skip_dpc;
@@ -4225,6 +4231,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
 						&ha->sf_init_cb_dma);
 		if (!ha->sf_init_cb)
 			goto fail_sf_init_cb;
+		memset(ha->sf_init_cb, 0, sizeof(struct init_sf_cb));
 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
 			   "sf_init_cb=%p.\n", ha->sf_init_cb);
 	}
@@ -4379,11 +4386,12 @@ int
 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
 {
 	int rval;
-	uint16_t	size, max_cnt, temp;
+	uint16_t	size, max_cnt;
+	uint32_t temp;
 	struct qla_hw_data *ha = vha->hw;
 
 	/* Return if we don't need to alloacate any extended logins */
-	if (!ql2xexlogins)
+	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
 		return QLA_SUCCESS;
 
 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
@@ -4872,7 +4880,7 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
 	}
 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
 
-	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
+	sprintf(vha->host_str, "%s_%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
 	ql_dbg(ql_dbg_init, vha, 0x0041,
 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
 	    vha->host, vha->hw, vha,
@@ -5001,7 +5009,7 @@ qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
 
 	switch (code) {
 	case QLA_UEVENT_CODE_FW_DUMP:
-		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
+		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
 		    vha->host_no);
 		break;
 	default:
@@ -5089,6 +5097,8 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
 
 			fcport->fc4_type = e->u.new_sess.fc4_type;
 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
+				fcport->dm_login_expire = jiffies +
+					QLA_N2N_WAIT_TIME * HZ;
 				fcport->fc4_type = FS_FC4TYPE_FCP;
 				fcport->n2n_flag = 1;
 				if (vha->flags.nvme_enabled)
@@ -5810,98 +5820,6 @@ qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
 	return true;
 }
 
-static uint
-qla25xx_rdp_port_speed_capability(struct qla_hw_data *ha)
-{
-	if (IS_CNA_CAPABLE(ha))
-		return RDP_PORT_SPEED_10GB;
-
-	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
-		unsigned int speeds = 0;
-
-		if (ha->max_supported_speed == 2) {
-			if (ha->min_supported_speed <= 6)
-				speeds |= RDP_PORT_SPEED_64GB;
-		}
-
-		if (ha->max_supported_speed == 2 ||
-		    ha->max_supported_speed == 1) {
-			if (ha->min_supported_speed <= 5)
-				speeds |= RDP_PORT_SPEED_32GB;
-		}
-
-		if (ha->max_supported_speed == 2 ||
-		    ha->max_supported_speed == 1 ||
-		    ha->max_supported_speed == 0) {
-			if (ha->min_supported_speed <= 4)
-				speeds |= RDP_PORT_SPEED_16GB;
-		}
-
-		if (ha->max_supported_speed == 1 ||
-		    ha->max_supported_speed == 0) {
-			if (ha->min_supported_speed <= 3)
-				speeds |= RDP_PORT_SPEED_8GB;
-		}
-
-		if (ha->max_supported_speed == 0) {
-			if (ha->min_supported_speed <= 2)
-				speeds |= RDP_PORT_SPEED_4GB;
-		}
-
-		return speeds;
-	}
-
-	if (IS_QLA2031(ha))
-		return RDP_PORT_SPEED_16GB|RDP_PORT_SPEED_8GB|
-		       RDP_PORT_SPEED_4GB;
-
-	if (IS_QLA25XX(ha))
-		return RDP_PORT_SPEED_8GB|RDP_PORT_SPEED_4GB|
-		       RDP_PORT_SPEED_2GB|RDP_PORT_SPEED_1GB;
-
-	if (IS_QLA24XX_TYPE(ha))
-		return RDP_PORT_SPEED_4GB|RDP_PORT_SPEED_2GB|
-		       RDP_PORT_SPEED_1GB;
-
-	if (IS_QLA23XX(ha))
-		return RDP_PORT_SPEED_2GB|RDP_PORT_SPEED_1GB;
-
-	return RDP_PORT_SPEED_1GB;
-}
-
-static uint
-qla25xx_rdp_port_speed_currently(struct qla_hw_data *ha)
-{
-	switch (ha->link_data_rate) {
-	case PORT_SPEED_1GB:
-		return RDP_PORT_SPEED_1GB;
-
-	case PORT_SPEED_2GB:
-		return RDP_PORT_SPEED_2GB;
-
-	case PORT_SPEED_4GB:
-		return RDP_PORT_SPEED_4GB;
-
-	case PORT_SPEED_8GB:
-		return RDP_PORT_SPEED_8GB;
-
-	case PORT_SPEED_10GB:
-		return RDP_PORT_SPEED_10GB;
-
-	case PORT_SPEED_16GB:
-		return RDP_PORT_SPEED_16GB;
-
-	case PORT_SPEED_32GB:
-		return RDP_PORT_SPEED_32GB;
-
-	case PORT_SPEED_64GB:
-		return RDP_PORT_SPEED_64GB;
-
-	default:
-		return RDP_PORT_SPEED_UNKNOWN;
-	}
-}
-
 /*
  * Function Name: qla24xx_process_purex_iocb
  *
@@ -5921,12 +5839,10 @@ void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
 	dma_addr_t rsp_els_dma;
 	dma_addr_t rsp_payload_dma;
 	dma_addr_t stat_dma;
-	dma_addr_t bbc_dma;
 	dma_addr_t sfp_dma;
 	struct els_entry_24xx *rsp_els = NULL;
 	struct rdp_rsp_payload *rsp_payload = NULL;
 	struct link_statistics *stat = NULL;
-	struct buffer_credit_24xx *bbc = NULL;
 	uint8_t *sfp = NULL;
 	uint16_t sfp_flags = 0;
 	uint rsp_payload_length = sizeof(*rsp_payload);
@@ -5970,9 +5886,6 @@ void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
 	    &stat_dma, GFP_KERNEL);
 
-	bbc = dma_alloc_coherent(&ha->pdev->dev, sizeof(*bbc),
-	    &bbc_dma, GFP_KERNEL);
-
 	/* Prepare Response IOCB */
 	rsp_els->entry_type = ELS_IOCB_TYPE;
 	rsp_els->entry_count = 1;
@@ -6068,9 +5981,9 @@ void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
 	rsp_payload->port_speed_desc.desc_len =
 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
-	    qla25xx_rdp_port_speed_capability(ha));
+	    qla25xx_fdmi_port_speed_capability(ha));
 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
-	    qla25xx_rdp_port_speed_currently(ha));
+	    qla25xx_fdmi_port_speed_currently(ha));
 
 	/* Link Error Status Descriptor */
 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
@@ -6126,13 +6039,10 @@ void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
 
-	if (bbc) {
-		memset(bbc, 0, sizeof(*bbc));
-		rval = qla24xx_get_buffer_credits(vha, bbc, bbc_dma);
-		if (!rval) {
-			rsp_payload->buffer_credit_desc.fcport_b2b =
-			    cpu_to_be32(LSW(bbc->parameter[0]));
-		}
+	if (ha->flags.plogi_template_valid) {
+		uint32_t tmp =
+		be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
+		rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
 	}
 
 	if (rsp_payload_length < sizeof(*rsp_payload))
@@ -6310,9 +6220,6 @@ send:
 	}
 
 dealloc:
-	if (bbc)
-		dma_free_coherent(&ha->pdev->dev, sizeof(*bbc),
-		    bbc, bbc_dma);
 	if (stat)
 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
 		    stat, stat_dma);
@@ -7289,8 +7196,10 @@ qla2x00_timer(struct timer_list *t)
 	 * FC-NVME
 	 * see if the active AEN count has changed from what was last reported.
 	 */
+	index = atomic_read(&ha->nvme_active_aen_cnt);
 	if (!vha->vp_idx &&
-	    (atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen) &&
+	    (index != ha->nvme_last_rptd_aen) &&
+	    (index >= DEFAULT_ZIO_THRESHOLD) &&
 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
 	    !ha->flags.host_shutting_down) {
 		ql_log(ql_log_info, vha, 0x3002,
@@ -7302,9 +7211,8 @@ qla2x00_timer(struct timer_list *t)
 	}
 
 	if (!vha->vp_idx &&
-	    (atomic_read(&ha->zio_threshold) != ha->last_zio_threshold) &&
-	    (ha->zio_mode == QLA_ZIO_MODE_6) &&
-	    (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
+	    atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
+	    IS_ZIO_THRESHOLD_CAPABLE(ha)) {
 		ql_log(ql_log_info, vha, 0x3002,
 		    "Sched: Set ZIO exchange threshold to %d.\n",
 		    ha->last_zio_threshold);
@@ -8044,7 +7952,6 @@ module_exit(qla2x00_module_exit);
 MODULE_AUTHOR("QLogic Corporation");
 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
 MODULE_LICENSE("GPL");
-MODULE_VERSION(QLA2XXX_VERSION);
 MODULE_FIRMWARE(FW_FILE_ISP21XX);
 MODULE_FIRMWARE(FW_FILE_ISP22XX);
 MODULE_FIRMWARE(FW_FILE_ISP2300);