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[SCSI] qla2xxx: Add an override option to specify ISP firmware load semantics. 

As it may be useful during debugging to use a specific firmware
image.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Andrew Vasquez 2009-04-06 22:33:49 -07:00 committed by James Bottomley
parent b469a7cbe9
commit e337d9070e
3 changed files with 17 additions and 0 deletions
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1
drivers/scsi/qla2xxx/qla_gbl.h
View File

@ -69,6 +69,7 @@ extern int ql2xqfulltracking;
extern int ql2xiidmaenable;
extern int ql2xmaxqueues;
extern int ql2xmultique_tag;
extern int ql2xfwloadbin;
extern int qla2x00_loop_reset(scsi_qla_host_t *);
extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);

6
drivers/scsi/qla2xxx/qla_init.c
View File

@ -4111,6 +4111,9 @@ qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
{
int rval;
if (ql2xfwloadbin == 1)
return qla81xx_load_risc(vha, srisc_addr);
/*
* FW Load priority:
* 1) Firmware via request-firmware interface (.bin file).
@ -4128,6 +4131,9 @@ qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
{
int rval;
if (ql2xfwloadbin == 2)
return qla24xx_load_risc(vha, srisc_addr);
/*
* FW Load priority:
* 1) Firmware residing in flash.

10
drivers/scsi/qla2xxx/qla_os.c
View File

@ -111,6 +111,16 @@ MODULE_PARM_DESC(ql2xmultique_tag,
"Enables CPU affinity settings for the driver "
"Default is 0 for no affinity of request and response IO. "
"Set it to 1 to turn on the cpu affinity.");
int ql2xfwloadbin;
module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xfwloadbin,
"Option to specify location from which to load ISP firmware:\n"
" 2 -- load firmware via the request_firmware() (hotplug)\n"
" interface.\n"
" 1 -- load firmware from flash.\n"
" 0 -- use default semantics.\n");
/*
* SCSI host template entry points
*/