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scsi: smartpqi: add module param to hide vsep 

Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Dave Carroll 2019-08-22 15:39:11 -05:00 committed by Martin K. Petersen
parent 8bdb3b9c67
commit 522bc026f0
2 changed files with 27 additions and 0 deletions
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1
drivers/scsi/smartpqi/smartpqi.h
View File

@ -822,6 +822,7 @@ union pqi_reset_register {
#define PQI_HBA_BUS 2
#define PQI_EXTERNAL_RAID_VOLUME_BUS 3
#define PQI_MAX_BUS PQI_EXTERNAL_RAID_VOLUME_BUS
#define PQI_VSEP_CISS_BTL 379
struct report_lun_header {
__be32 list_length;

26
drivers/scsi/smartpqi/smartpqi_init.c
View File

@ -151,6 +151,12 @@ module_param_named(expose_ld_first,
MODULE_PARM_DESC(expose_ld_first,
"Expose logical drives before physical drives.");
static int pqi_hide_vsep;
module_param_named(hide_vsep,
pqi_hide_vsep, int, 0644);
MODULE_PARM_DESC(hide_vsep,
"Hide the virtual SEP for direct attached drives.");
static char *raid_levels[] = {
"RAID-0",
"RAID-4",
@ -1951,6 +1957,11 @@ static inline bool pqi_skip_device(u8 *scsi3addr)
return false;
}
static inline void pqi_mask_device(u8 *scsi3addr)
{
scsi3addr[3] |= 0xc0;
}
static inline bool pqi_is_device_with_sas_address(struct pqi_scsi_dev *device)
{
if (!device->is_physical_device)
@ -2031,6 +2042,21 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info)
rc = -ENOMEM;
goto out;
}
if (pqi_hide_vsep) {
int i;
for (i = num_physicals - 1; i >= 0; i--) {
phys_lun_ext_entry =
&physdev_list->lun_entries[i];
if (CISS_GET_DRIVE_NUMBER(
phys_lun_ext_entry->lunid) ==
PQI_VSEP_CISS_BTL) {
pqi_mask_device(
phys_lun_ext_entry->lunid);
break;
}
}
}
}
num_new_devices = num_physicals + num_logicals;