diff options
Diffstat (limited to 'lib/librte_eal/common/hotplug_mp.h')
-rw-r--r-- | lib/librte_eal/common/hotplug_mp.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/librte_eal/common/hotplug_mp.h b/lib/librte_eal/common/hotplug_mp.h new file mode 100644 index 00000000..597fde3d --- /dev/null +++ b/lib/librte_eal/common/hotplug_mp.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Intel Corporation + */ + +#ifndef _HOTPLUG_MP_H_ +#define _HOTPLUG_MP_H_ + +#include "rte_dev.h" +#include "rte_bus.h" + +#define EAL_DEV_MP_ACTION_REQUEST "eal_dev_mp_request" +#define EAL_DEV_MP_ACTION_RESPONSE "eal_dev_mp_response" + +#define EAL_DEV_MP_DEV_NAME_MAX_LEN RTE_DEV_NAME_MAX_LEN +#define EAL_DEV_MP_BUS_NAME_MAX_LEN 32 +#define EAL_DEV_MP_DEV_ARGS_MAX_LEN 128 + +enum eal_dev_req_type { + EAL_DEV_REQ_TYPE_ATTACH, + EAL_DEV_REQ_TYPE_DETACH, + EAL_DEV_REQ_TYPE_ATTACH_ROLLBACK, + EAL_DEV_REQ_TYPE_DETACH_ROLLBACK, +}; + +struct eal_dev_mp_req { + enum eal_dev_req_type t; + char devargs[EAL_DEV_MP_DEV_ARGS_MAX_LEN]; + int result; +}; + +/** + * This is a synchronous wrapper for secondary process send + * request to primary process, this is invoked when an attach + * or detach request is issued from primary process. + */ +int eal_dev_hotplug_request_to_primary(struct eal_dev_mp_req *req); + +/** + * this is a synchronous wrapper for primary process send + * request to secondary process, this is invoked when an attach + * or detach request issued from secondary process. + */ +int eal_dev_hotplug_request_to_secondary(struct eal_dev_mp_req *req); + + +#endif /* _HOTPLUG_MP_H_ */ |