1268 static int pbl_chunk_list_create(struct efa_dev *dev, struct pbl_context *pbl)  in pbl_chunk_list_create()  argument
1270 	struct pbl_chunk_list *chunk_list = &pbl->phys.indirect.chunk_list;  in pbl_chunk_list_create()
1271 	int page_cnt = pbl->phys.indirect.pbl_buf_size_in_pages;  in pbl_chunk_list_create()
1272 	struct scatterlist *pages_sgl = pbl->phys.indirect.sgl;  in pbl_chunk_list_create()
1274 	int sg_dma_cnt = pbl->phys.indirect.sg_dma_cnt;  in pbl_chunk_list_create()
1368 static void pbl_chunk_list_destroy(struct efa_dev *dev, struct pbl_context *pbl)  in pbl_chunk_list_destroy()  argument
1370 	struct pbl_chunk_list *chunk_list = &pbl->phys.indirect.chunk_list;  in pbl_chunk_list_destroy()
1384 				     struct pbl_context *pbl)  in pbl_continuous_initialize()  argument
1388 	dma_addr = dma_map_single(&dev->pdev->dev, pbl->pbl_buf,  in pbl_continuous_initialize()
1389 				  pbl->pbl_buf_size_in_bytes, DMA_TO_DEVICE);  in pbl_continuous_initialize()
1395 	pbl->phys.continuous.dma_addr = dma_addr;  in pbl_continuous_initialize()
1398 		  &dma_addr, pbl->pbl_buf_size_in_bytes);  in pbl_continuous_initialize()
1408 static int pbl_indirect_initialize(struct efa_dev *dev, struct pbl_context *pbl)  in pbl_indirect_initialize()  argument
1410 	u32 size_in_pages = DIV_ROUND_UP(pbl->pbl_buf_size_in_bytes, EFA_CHUNK_PAYLOAD_SIZE);  in pbl_indirect_initialize()
1415 	sgl = efa_vmalloc_buf_to_sg(pbl->pbl_buf, size_in_pages);  in pbl_indirect_initialize()
1425 	pbl->phys.indirect.pbl_buf_size_in_pages = size_in_pages;  in pbl_indirect_initialize()
1426 	pbl->phys.indirect.sgl = sgl;  in pbl_indirect_initialize()
1427 	pbl->phys.indirect.sg_dma_cnt = sg_dma_cnt;  in pbl_indirect_initialize()
1428 	err = pbl_chunk_list_create(dev, pbl);  in pbl_indirect_initialize()
1437 		  pbl->pbl_buf_size_in_bytes,  in pbl_indirect_initialize()
1438 		  pbl->phys.indirect.chunk_list.size);  in pbl_indirect_initialize()
1449 static void pbl_indirect_terminate(struct efa_dev *dev, struct pbl_context *pbl)  in pbl_indirect_terminate()  argument
1451 	pbl_chunk_list_destroy(dev, pbl);  in pbl_indirect_terminate()
1452 	dma_unmap_sg(&dev->pdev->dev, pbl->phys.indirect.sgl,  in pbl_indirect_terminate()
1453 		     pbl->phys.indirect.pbl_buf_size_in_pages, DMA_TO_DEVICE);  in pbl_indirect_terminate()
1454 	kfree(pbl->phys.indirect.sgl);  in pbl_indirect_terminate()
1459 		      struct pbl_context *pbl,  in pbl_create()  argument
1466 	pbl->pbl_buf_size_in_bytes = hp_cnt * EFA_CHUNK_PAYLOAD_PTR_SIZE;  in pbl_create()
1467 	pbl->pbl_buf = kvzalloc(pbl->pbl_buf_size_in_bytes, GFP_KERNEL);  in pbl_create()
1468 	if (!pbl->pbl_buf)  in pbl_create()
1471 	if (is_vmalloc_addr(pbl->pbl_buf)) {  in pbl_create()
1472 		pbl->physically_continuous = 0;  in pbl_create()
1473 		err = umem_to_page_list(dev, umem, pbl->pbl_buf, hp_cnt,  in pbl_create()
1478 		err = pbl_indirect_initialize(dev, pbl);  in pbl_create()
1482 		pbl->physically_continuous = 1;  in pbl_create()
1483 		err = umem_to_page_list(dev, umem, pbl->pbl_buf, hp_cnt,  in pbl_create()
1488 		err = pbl_continuous_initialize(dev, pbl);  in pbl_create()
1495 		  hp_cnt, pbl->physically_continuous);  in pbl_create()
1500 	kvfree(pbl->pbl_buf);  in pbl_create()
1504 static void pbl_destroy(struct efa_dev *dev, struct pbl_context *pbl)  in pbl_destroy()  argument
1506 	if (pbl->physically_continuous)  in pbl_destroy()
1507 		dma_unmap_single(&dev->pdev->dev, pbl->phys.continuous.dma_addr,  in pbl_destroy()
1508 				 pbl->pbl_buf_size_in_bytes, DMA_TO_DEVICE);  in pbl_destroy()
1510 		pbl_indirect_terminate(dev, pbl);  in pbl_destroy()
1512 	kvfree(pbl->pbl_buf);  in pbl_destroy()
1521 	err = umem_to_page_list(dev, mr->umem, params->pbl.inline_pbl_array,  in efa_create_inline_pbl()
1533 			  struct pbl_context *pbl,  in efa_create_pbl()  argument
1539 	err = pbl_create(dev, pbl, mr->umem, params->page_num,  in efa_create_pbl()
1547 	params->indirect = !pbl->physically_continuous;  in efa_create_pbl()
1548 	if (pbl->physically_continuous) {  in efa_create_pbl()
1549 		params->pbl.pbl.length = pbl->pbl_buf_size_in_bytes;  in efa_create_pbl()
1551 		efa_com_set_dma_addr(pbl->phys.continuous.dma_addr,  in efa_create_pbl()
1552 				     &params->pbl.pbl.address.mem_addr_high,  in efa_create_pbl()
1553 				     &params->pbl.pbl.address.mem_addr_low);  in efa_create_pbl()
1555 		params->pbl.pbl.length =  in efa_create_pbl()
1556 			pbl->phys.indirect.chunk_list.chunks[0].length;  in efa_create_pbl()
1558 		efa_com_set_dma_addr(pbl->phys.indirect.chunk_list.chunks[0].dma_addr,  in efa_create_pbl()
1559 				     &params->pbl.pbl.address.mem_addr_high,  in efa_create_pbl()
1560 				     &params->pbl.pbl.address.mem_addr_low);  in efa_create_pbl()
1606 	struct pbl_context pbl;  in efa_register_mr()  local
1632 	inline_size = ARRAY_SIZE(params.pbl.inline_pbl_array);  in efa_register_mr()
1642 		err = efa_create_pbl(dev, &pbl, mr, &params);  in efa_register_mr()
1647 		pbl_destroy(dev, &pbl);  in efa_register_mr()