233 				     struct apple_rtkit_shmem *bfr)  in apple_nvme_sart_dma_setup()  argument
238 	if (bfr->iova)  in apple_nvme_sart_dma_setup()
240 	if (!bfr->size)  in apple_nvme_sart_dma_setup()
243 	bfr->buffer =  in apple_nvme_sart_dma_setup()
244 		dma_alloc_coherent(anv->dev, bfr->size, &bfr->iova, GFP_KERNEL);  in apple_nvme_sart_dma_setup()
245 	if (!bfr->buffer)  in apple_nvme_sart_dma_setup()
248 	ret = apple_sart_add_allowed_region(anv->sart, bfr->iova, bfr->size);  in apple_nvme_sart_dma_setup()
250 		dma_free_coherent(anv->dev, bfr->size, bfr->buffer, bfr->iova);  in apple_nvme_sart_dma_setup()
251 		bfr->buffer = NULL;  in apple_nvme_sart_dma_setup()
259 					struct apple_rtkit_shmem *bfr)  in apple_nvme_sart_dma_destroy()  argument
263 	apple_sart_remove_allowed_region(anv->sart, bfr->iova, bfr->size);  in apple_nvme_sart_dma_destroy()
264 	dma_free_coherent(anv->dev, bfr->size, bfr->buffer, bfr->iova);  in apple_nvme_sart_dma_destroy()