/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2017 6WIND S.A.
- * Copyright 2017 Mellanox.
+ * Copyright 2017 Mellanox Technologies, Ltd
*/
#include <unistd.h>
sdev->state = DEV_ACTIVE;
/* fallthrough */
case DEV_ACTIVE:
+ failsafe_eth_dev_unregister_callbacks(sdev);
rte_eth_dev_close(PORT_ID(sdev));
sdev->state = DEV_PROBED;
/* fallthrough */
return 1;
}
+void
+failsafe_eth_dev_unregister_callbacks(struct sub_device *sdev)
+{
+ int ret;
+
+ if (sdev == NULL)
+ return;
+ if (sdev->rmv_callback) {
+ ret = rte_eth_dev_callback_unregister(PORT_ID(sdev),
+ RTE_ETH_EVENT_INTR_RMV,
+ failsafe_eth_rmv_event_callback,
+ sdev);
+ if (ret)
+ WARN("Failed to unregister RMV callback for sub_device"
+ " %d", SUB_ID(sdev));
+ sdev->rmv_callback = 0;
+ }
+ if (sdev->lsc_callback) {
+ ret = rte_eth_dev_callback_unregister(PORT_ID(sdev),
+ RTE_ETH_EVENT_INTR_LSC,
+ failsafe_eth_lsc_event_callback,
+ sdev);
+ if (ret)
+ WARN("Failed to unregister LSC callback for sub_device"
+ " %d", SUB_ID(sdev));
+ sdev->lsc_callback = 0;
+ }
+}
+
void
failsafe_dev_remove(struct rte_eth_dev *dev)
{
else
return 0;
}
+
+/* Take sub-device ownership before it becomes exposed to the application. */
+int
+failsafe_eth_new_event_callback(uint16_t port_id,
+ enum rte_eth_event_type event __rte_unused,
+ void *cb_arg, void *out __rte_unused)
+{
+ struct rte_eth_dev *fs_dev = cb_arg;
+ struct sub_device *sdev;
+ struct rte_eth_dev *dev = &rte_eth_devices[port_id];
+ uint8_t i;
+
+ FOREACH_SUBDEV_STATE(sdev, i, fs_dev, DEV_PARSED) {
+ if (sdev->state >= DEV_PROBED)
+ continue;
+ if (strcmp(sdev->devargs.name, dev->device->name) != 0)
+ continue;
+ rte_eth_dev_owner_set(port_id, &PRIV(fs_dev)->my_owner);
+ /* The actual owner will be checked after the port probing. */
+ break;
+ }
+ return 0;
+}