be2net: support deleting FW dump via ethtool (only for Lancer)
This patch adds support to delete an existing FW-dump in Lancer via ethtool.
Initiating a new dump is not allowed if a FW dump is already present in the
adapter. The existing dump has to be first explicitly deleted.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 791094c..4370ec1 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -2240,6 +2240,34 @@
return status;
}
+int lancer_cmd_delete_object(struct be_adapter *adapter, const char *obj_name)
+{
+ struct lancer_cmd_req_delete_object *req;
+ struct be_mcc_wrb *wrb;
+ int status;
+
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ if (!wrb) {
+ status = -EBUSY;
+ goto err;
+ }
+
+ req = embedded_payload(wrb);
+
+ be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_DELETE_OBJECT,
+ sizeof(*req), wrb, NULL);
+
+ strcpy(req->object_name, obj_name);
+
+ status = be_mcc_notify_wait(adapter);
+err:
+ spin_unlock_bh(&adapter->mcc_lock);
+ return status;
+}
+
int lancer_cmd_read_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
u32 data_size, u32 data_offset, const char *obj_name,
u32 *data_read, u32 *eof, u8 *addn_status)
@@ -3805,13 +3833,19 @@
int lancer_initiate_dump(struct be_adapter *adapter)
{
+ struct device *dev = &adapter->pdev->dev;
int status;
+ if (dump_present(adapter)) {
+ dev_info(dev, "Previous dump not cleared, not forcing dump\n");
+ return -EEXIST;
+ }
+
/* give firmware reset and diagnostic dump */
status = lancer_physdev_ctrl(adapter, PHYSDEV_CONTROL_FW_RESET_MASK |
PHYSDEV_CONTROL_DD_MASK);
if (status < 0) {
- dev_err(&adapter->pdev->dev, "Firmware reset failed\n");
+ dev_err(dev, "FW reset failed\n");
return status;
}
@@ -3820,13 +3854,21 @@
return status;
if (!dump_present(adapter)) {
- dev_err(&adapter->pdev->dev, "Dump image not present\n");
- return -1;
+ dev_err(dev, "FW dump not generated\n");
+ return -EIO;
}
return 0;
}
+int lancer_delete_dump(struct be_adapter *adapter)
+{
+ int status;
+
+ status = lancer_cmd_delete_object(adapter, LANCER_FW_DUMP_FILE);
+ return be_cmd_status(status);
+}
+
/* Uses sync mcc */
int be_cmd_enable_vf(struct be_adapter *adapter, u8 domain)
{