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Commit 82515920 authored by Andrew Vasquez's avatar Andrew Vasquez Committed by James Bottomley
Browse files

[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: default avatarAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: default avatarMadhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: default avatarJames Bottomley <jbottomley@parallels.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 24014d04

drivers/scsi/qla2xxx/qla_gbl.h

+1 −0
Original line number Diff line number Diff line
@@ -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);

drivers/scsi/qla2xxx/qla_mid.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/scsi/qla2xxx/qla_os.c

+7 −1
Original line number Diff line number Diff line
@@ -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);