diff options
| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2011-05-10 11:30:13 -0700 |
|---|---|---|
| committer | James Bottomley <jbottomley@parallels.com> | 2011-05-17 11:34:56 +0400 |
| commit | 82515920b60760bca9f66decdaa7dd98191fa47c (patch) | |
| tree | 4c9e55483f046fe9ab3cf091c8bbca004b67bc42 /drivers/scsi/qla2xxx | |
| parent | 24014d046485e1947dfb5d79365472d9981cda1e (diff) | |
[SCSI] qla2xxx: Allow an override of the registered maximum LUN.
The 'max_lun' value registered for each scsi_host is currently
capped at 0xffff. The new module parameter can allow for
2nd-level flat-space addressing method-infrastructure to be
supported.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mid.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 8 |
3 files changed, 9 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 53968ccf88e..79a12aa978a 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -103,6 +103,7 @@ extern int ql2xenabledif; extern int ql2xenablehba_err_chk; extern int ql2xtargetreset; extern int ql2xdontresethba; +extern unsigned int ql2xmaxlun; extern int qla2x00_loop_reset(scsi_qla_host_t *); extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int); diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index e34d7dd73e8..5e343919aca 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -456,7 +456,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport) else host->max_cmd_len = MAX_CMDSZ; host->max_channel = MAX_BUSES - 1; - host->max_lun = MAX_LUNS; + host->max_lun = ql2xmaxlun; host->unique_id = host->host_no; host->max_id = MAX_TARGETS_2200; host->transportt = qla2xxx_transport_vport_template; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 8401a6f9bc7..f461925a9df 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -172,6 +172,12 @@ MODULE_PARM_DESC(ql2xdontresethba, " 0 (Default) -- Reset on failure.\n" " 1 -- Do not reset on failure.\n"); +uint ql2xmaxlun = MAX_LUNS; +module_param(ql2xmaxlun, uint, S_IRUGO); +MODULE_PARM_DESC(ql2xmaxlun, + "Defines the maximum LU number to register with the SCSI " + "midlayer. Default is 65535."); + /* * SCSI host template entry points */ @@ -2136,7 +2142,7 @@ 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 = MAX_LUNS; + host->max_lun = ql2xmaxlun; host->transportt = qla2xxx_transport_template; sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC); |