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cxgb4: notify fatal error to uld drivers

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notify uld drivers if the adapter encounters fatal
error.

Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ganesh Goudar 2018-03-16 14:22:57 +05:30 committed by David S. Miller
parent ce627a1b10
commit 8b7372c101
4 changed files with 14 additions and 1 deletions
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1
drivers/infiniband/hw/cxgb4/device.c
View file

@ -1217,6 +1217,7 @@ static int c4iw_uld_state_change(void *handle, enum cxgb4_state new_state)
if (ctx->dev)
c4iw_remove(ctx);
break;
case CXGB4_STATE_FATAL_ERROR:
case CXGB4_STATE_START_RECOVERY:
pr_info("%s: Fatal Error\n", pci_name(ctx->lldi.pdev));
if (ctx->dev) {

1
drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
View file

@ -917,6 +917,7 @@ struct adapter {
struct work_struct tid_release_task;
struct work_struct db_full_task;
struct work_struct db_drop_task;
struct work_struct fatal_err_notify_task;
bool tid_release_task_busy;
/* lock for mailbox cmd list */

10
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View file

@ -3255,6 +3255,14 @@ static const struct ethtool_ops cxgb4_mgmt_ethtool_ops = {
.get_drvinfo = cxgb4_mgmt_get_drvinfo,
};
static void notify_fatal_err(struct work_struct *work)
{
struct adapter *adap;
adap = container_of(work, struct adapter, fatal_err_notify_task);
notify_ulds(adap, CXGB4_STATE_FATAL_ERROR);
}
void t4_fatal_err(struct adapter *adap)
{
int port;
@ -3279,6 +3287,7 @@ void t4_fatal_err(struct adapter *adap)
netif_carrier_off(dev);
}
dev_alert(adap->pdev_dev, "encountered fatal error, adapter stopped\n");
queue_work(adap->workq, &adap->fatal_err_notify_task);
}
static void setup_memwin(struct adapter *adap)
@ -5479,6 +5488,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
INIT_WORK(&adapter->tid_release_task, process_tid_release_list);
INIT_WORK(&adapter->db_full_task, process_db_full);
INIT_WORK(&adapter->db_drop_task, process_db_drop);
INIT_WORK(&adapter->fatal_err_notify_task, notify_fatal_err);
err = t4_prep_adapter(adapter);
if (err)

3
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
View file

@ -257,7 +257,8 @@ enum cxgb4_state {
CXGB4_STATE_UP,
CXGB4_STATE_START_RECOVERY,
CXGB4_STATE_DOWN,
CXGB4_STATE_DETACH
CXGB4_STATE_DETACH,
CXGB4_STATE_FATAL_ERROR
};
enum cxgb4_control {