From: Vikas Chaudhary <vikas.chaudhary@xxxxxxxxxx>
Camram is reset by FW to default values after reboot/cold boot/pci reset.
In case of AER, PCI may need to reset so we need to set correct idc reg value
after PCIE error.
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@xxxxxxxxxx>
---
drivers/scsi/qla4xxx/ql4_glbl.h | 1 +
drivers/scsi/qla4xxx/ql4_nx.c | 2 +-
drivers/scsi/qla4xxx/ql4_os.c | 15 +++++++++++++--
3 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index eea04e0..0580f80 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -256,6 +256,7 @@ void qla4_8xxx_get_minidump(struct scsi_qla_host *ha);
int qla4_8xxx_mbx_intr_disable(struct scsi_qla_host *ha);
int qla4_8xxx_mbx_intr_enable(struct scsi_qla_host *ha);
int qla4_8xxx_set_param(struct scsi_qla_host *ha, int param);
+int qla4_8xxx_update_idc_reg(struct scsi_qla_host *ha);
extern int ql4xextended_error_logging;
extern int ql4xdontresethba;
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index 9b67aad..66f52d2 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -2833,7 +2833,7 @@ exit_set_idc_ver:
return rval;
}
-static int qla4_8xxx_update_idc_reg(struct scsi_qla_host *ha)
+int qla4_8xxx_update_idc_reg(struct scsi_qla_host *ha)
{
uint32_t drv_active;
int rval = QLA_SUCCESS;
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index afaba52..81b3038 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -6135,9 +6135,19 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
ha->isp_ops->idc_lock(ha);
qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
QLA8XXX_DEV_COLD);
- qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION,
- QLA82XX_IDC_VERSION);
ha->isp_ops->idc_unlock(ha);
+
+ rval = qla4_8xxx_update_idc_reg(ha);
+ if (rval == QLA_ERROR) {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n",
+ ha->host_no, __func__);
+ ha->isp_ops->idc_lock(ha);
+ qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
+ QLA8XXX_DEV_FAILED);
+ ha->isp_ops->idc_unlock(ha);
+ goto exit_error_recovery;
+ }
+
clear_bit(AF_FW_RECOVERY, &ha->flags);
rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
@@ -6195,6 +6205,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
ha->isp_ops->idc_unlock(ha);
}
}
+exit_error_recovery:
clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
return rval;
}
--
1.7.1
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