Queue Request Interface

Prototype	int wd_request_queue(struct wd_queue *q);
Function	Request queues from the corresponding hardware accelerator.
Input Description	Queue description q in user mode. You can set the algorithm and specify the device name or NUMA node mask.
Output Description	Description q of the requested queue
Return Value Description	0: success A negative value: failure (-WD_EINVAL: input parameter error; -WD_ENODEV: No proper device is found; -WD_ENOMEM: no available memory)
Usage Instruction	Multi-process and multi-thread invoking is supported.
Precautions	You can use dev_path or node_mask to specify a device to request queues.

Parent topic: WD Basic Interfaces-WD Queue Management Interface