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| author | Hannes Reinecke <hare@suse.de> | 2014-06-03 10:58:54 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-07-17 22:07:36 +0200 |
| commit | 755f516bbb983915d6cbfb5aa592cc0a5a99fd00 (patch) | |
| tree | 1038be48bb4fa6dba32cb4381c471c90f69a43ff | |
| parent | 22ffeb48b7584d6cd50f2a595ed6065d86a87459 (diff) | |
| download | linux-755f516bbb983915d6cbfb5aa592cc0a5a99fd00.tar.gz linux-755f516bbb983915d6cbfb5aa592cc0a5a99fd00.tar.bz2 linux-755f516bbb983915d6cbfb5aa592cc0a5a99fd00.zip | |
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>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index d96bfb55e57b..5269aee1df3b 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -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); |