Lines Matching refs:queue

498  *     Allocates kernel queue pages of specified size with IOMMU mappings, plus
499  *     space for the queue structure/kernel interface and the queue header.
502  *     Pointer to the queue on success, NULL otherwise.
513 	struct vmci_queue *queue;
518 	    sizeof(*queue) + sizeof(*(queue->kernel_if)) + dmas_size;
526 	queue = malloc(queue_size, M_DEVBUF, M_NOWAIT);
527 	if (!queue)
530 	queue->q_header = NULL;
531 	queue->saved_header = NULL;
532 	queue->kernel_if = (struct vmci_queue_kernel_if *)(queue + 1);
533 	queue->kernel_if->num_pages = num_pages;
534 	queue->kernel_if->dmas = (struct vmci_dma_alloc *)(queue->kernel_if +
537 		vmci_dma_malloc(PAGE_SIZE, 1, &queue->kernel_if->dmas[i]);
538 		if (!queue->kernel_if->dmas[i].dma_vaddr) {
540 			vmci_free_queue(queue, i * PAGE_SIZE);
546 	queue->q_header = (void *)queue->kernel_if->dmas[0].dma_vaddr;
548 	return ((void *)queue);
556  *     Frees kernel VA space for a given queue and its queue header, and frees
571 	struct vmci_queue *queue = q;
573 	if (queue) {
579 			vmci_dma_free(&queue->kernel_if->dmas[i]);
580 		free(queue, M_DEVBUF);
589  *     Allocates two list of PPNs --- one for the pages in the produce queue,
590  *     and the other for the pages in the consume queue. Intializes the list of
592  *     queue headers).
684  *     Frees the two list of PPNs for a queue pair.
719  *     of the produce queue and the consume queue.
804  *     offset + size does not wrap around in the queue.
817 __vmci_memcpy_to_queue(struct vmci_queue *queue, uint64_t queue_offset,
820 	struct vmci_queue_kernel_if *kernel_if = queue->kernel_if;
862  *     offset + size does not wrap around in the queue.
874 __vmci_memcpy_from_queue(void *dest, const struct vmci_queue *queue,
877 	struct vmci_queue_kernel_if *kernel_if = queue->kernel_if;
931 vmci_memcpy_to_queue(struct vmci_queue *queue, uint64_t queue_offset,
938 	return (__vmci_memcpy_to_queue(queue, queue_offset,
960     const struct vmci_queue *queue, uint64_t queue_offset, size_t size,
967 	    queue, queue_offset, size, false));
975  *     Copies from a given buffer to a local VMCI queue. This is the
988 vmci_memcpy_to_queue_local(struct vmci_queue *queue, uint64_t queue_offset,
995 	return (__vmci_memcpy_to_queue(queue, queue_offset,
1017     const struct vmci_queue *queue, uint64_t queue_offset, size_t size,
1024 	    queue, queue_offset, size, false));
1043 vmci_memcpy_to_queue_v(struct vmci_queue *queue, uint64_t queue_offset,
1054 	return (__vmci_memcpy_to_queue(queue, queue_offset, src, size,
1076     const struct vmci_queue *queue, uint64_t queue_offset, size_t size,
1086 	return (__vmci_memcpy_from_queue(dest, queue, queue_offset, size,