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ibmvnic: Update firmware error reporting with cause string

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Print a string instead of the error code. Since there is a
possibility that the driver can recover, classify it as a
warning instead of an error.

Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Falcon 2018-08-06 21:39:59 -05:00 committed by David S. Miller
parent 79dabbb716
commit c9008d339b
1 changed files with 30 additions and 4 deletions
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34
drivers/net/ethernet/ibm/ibmvnic.c
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@ -3825,15 +3825,41 @@ static void handle_query_ip_offload_rsp(struct ibmvnic_adapter *adapter)
ibmvnic_send_crq(adapter, &crq);
}
static const char *ibmvnic_fw_err_cause(u16 cause)
{
switch (cause) {
case ADAPTER_PROBLEM:
return "adapter problem";
case BUS_PROBLEM:
return "bus problem";
case FW_PROBLEM:
return "firmware problem";
case DD_PROBLEM:
return "device driver problem";
case EEH_RECOVERY:
return "EEH recovery";
case FW_UPDATED:
return "firmware updated";
case LOW_MEMORY:
return "low Memory";
default:
return "unknown";
}
}
static void handle_error_indication(union ibmvnic_crq *crq,
struct ibmvnic_adapter *adapter)
{
struct device *dev = &adapter->vdev->dev;
u16 cause;
dev_err(dev, "Firmware reports %serror, cause %d\n",
crq->error_indication.flags
& IBMVNIC_FATAL_ERROR ? "FATAL " : "",
be16_to_cpu(crq->error_indication.error_cause));
cause = be16_to_cpu(crq->error_indication.error_cause);
dev_warn_ratelimited(dev,
"Firmware reports %serror, cause: %s. Starting recovery...\n",
crq->error_indication.flags
& IBMVNIC_FATAL_ERROR ? "FATAL " : "",
ibmvnic_fw_err_cause(cause));
if (crq->error_indication.flags & IBMVNIC_FATAL_ERROR)
ibmvnic_reset(adapter, VNIC_RESET_FATAL);