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path: root/drivers/scsi/qla2xxx/qla_os.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c59
1 files changed, 44 insertions, 15 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 207af1d5ed29..36dca08166f2 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -277,6 +277,20 @@ MODULE_PARM_DESC(qla2xuseresexchforels,
"Reserve 1/2 of emergency exchanges for ELS.\n"
" 0 (default): disabled");
+int ql2xprotmask;
+module_param(ql2xprotmask, int, 0644);
+MODULE_PARM_DESC(ql2xprotmask,
+ "Override DIF/DIX protection capabilities mask\n"
+ "Default is 0 which sets protection mask based on "
+ "capabilities reported by HBA firmware.\n");
+
+int ql2xprotguard;
+module_param(ql2xprotguard, int, 0644);
+MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
+ " 0 -- Let HBA firmware decide\n"
+ " 1 -- Force T10 CRC\n"
+ " 2 -- Force IP checksum\n");
+
/*
* SCSI host template entry points
*/
@@ -3055,6 +3069,13 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
host->max_id = ha->max_fibre_devices;
host->cmd_per_lun = 3;
host->unique_id = host->host_no;
+
+ if (ql2xenabledif && ql2xenabledif != 2) {
+ ql_log(ql_log_warn, base_vha, 0x302d,
+ "Invalid value for ql2xenabledif, resetting it to default (2)\n");
+ ql2xenabledif = 2;
+ }
+
if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
host->max_cmd_len = 32;
else
@@ -3291,15 +3312,16 @@ skip_dpc:
base_vha->flags.difdix_supported = 1;
ql_dbg(ql_dbg_init, base_vha, 0x00f1,
"Registering for DIF/DIX type 1 and 3 protection.\n");
- if (ql2xenabledif == 1)
- prot = SHOST_DIX_TYPE0_PROTECTION;
- scsi_host_set_prot(host,
- prot | SHOST_DIF_TYPE1_PROTECTION
- | SHOST_DIF_TYPE2_PROTECTION
- | SHOST_DIF_TYPE3_PROTECTION
- | SHOST_DIX_TYPE1_PROTECTION
- | SHOST_DIX_TYPE2_PROTECTION
- | SHOST_DIX_TYPE3_PROTECTION);
+ if (ql2xprotmask)
+ scsi_host_set_prot(host, ql2xprotmask);
+ else
+ scsi_host_set_prot(host,
+ prot | SHOST_DIF_TYPE1_PROTECTION
+ | SHOST_DIF_TYPE2_PROTECTION
+ | SHOST_DIF_TYPE3_PROTECTION
+ | SHOST_DIX_TYPE1_PROTECTION
+ | SHOST_DIX_TYPE2_PROTECTION
+ | SHOST_DIX_TYPE3_PROTECTION);
guard = SHOST_DIX_GUARD_CRC;
@@ -3307,7 +3329,10 @@ skip_dpc:
(ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
guard |= SHOST_DIX_GUARD_IP;
- scsi_host_set_guard(host, guard);
+ if (ql2xprotguard)
+ scsi_host_set_guard(host, ql2xprotguard);
+ else
+ scsi_host_set_guard(host, guard);
} else
base_vha->flags.difdix_supported = 0;
}
@@ -4604,7 +4629,8 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
}
INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
- sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
+ snprintf(vha->host_str, sizeof(vha->host_str), "%s_%lu",
+ QLA2XXX_DRIVER_NAME, vha->host_no);
ql_dbg(ql_dbg_init, vha, 0x0041,
"Allocated the host=%p hw=%p vha=%p dev_name=%s",
vha->host, vha->hw, vha,
@@ -4735,7 +4761,7 @@ qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
switch (code) {
case QLA_UEVENT_CODE_FW_DUMP:
- snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
+ snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
vha->host_no);
break;
default:
@@ -6149,9 +6175,12 @@ qla2x00_do_dpc(void *data)
}
}
loop_resync_check:
- if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
+ if (!qla2x00_reset_active(base_vha) &&
+ test_and_clear_bit(LOOP_RESYNC_NEEDED,
&base_vha->dpc_flags)) {
-
+ /*
+ * Allow abort_isp to complete before moving on to scanning.
+ */
ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
"Loop resync scheduled.\n");
@@ -6384,7 +6413,7 @@ qla2x00_timer(struct timer_list *t)
/* if the loop has been down for 4 minutes, reinit adapter */
if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
- if (!(vha->device_flags & DFLG_NO_CABLE)) {
+ if (!(vha->device_flags & DFLG_NO_CABLE) && !vha->vp_idx) {
ql_log(ql_log_warn, vha, 0x6009,
"Loop down - aborting ISP.\n");