AcoSail/kernel_optimize_test
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qla2xxx: Restrict max_lun to 16-bit for older HBAs

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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>
This commit is contained in:
Hannes Reinecke 2014-06-03 10:58:54 +02:00 committed by Christoph Hellwig
parent 22ffeb48b7
commit 755f516bbb
1 changed files with 6 additions and 1 deletions
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7
drivers/scsi/qla2xxx/qla_os.c
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@ -2661,7 +2661,12 @@ 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;
host->max_lun = ql2xmaxlun;
/* 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);