Commit 522bc026 authored by Dave Carroll's avatar Dave Carroll Committed by Martin K. Petersen
Browse files

scsi: smartpqi: add module param to hide vsep

parent 8bdb3b9c
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+1 −0
Original line number Diff line number Diff line
@@ -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 −0
Original line number Diff line number Diff line
@@ -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;