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Commit 755f516b authored Jun 03, 2014 by Hannes Reinecke Committed by Christoph Hellwig Jul 17, 2014

qla2xxx: Restrict max_lun to 16-bit for older HBAs



Older HBAs are only capable of supporting 16-bit LUNs,
so we need to make sure to adjust max_lun accordingly.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

parent 22ffeb48

drivers/scsi/qla2xxx/qla_os.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -2661,6 +2661,11 @@ qla2x00_probe_one(struct pci_dev pdev, const struct pci_device_id id)
		else
		host->max_cmd_len = MAX_CMDSZ;
		host->max_channel = MAX_BUSES - 1;
		/* Older HBAs support only 16-bit LUNs */
		if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
		ql2xmaxlun > 0xffff)
		host->max_lun = 0xffff;
		else
		host->max_lun = ql2xmaxlun;
		host->transportt = qla2xxx_transport_template;
		sht->vendor_id = (SCSI_NL_VID_TYPE_PCI \| PCI_VENDOR_ID_QLOGIC);