1258 static int pbl_chunk_list_create(struct efa_dev *dev, struct pbl_context *pbl)  in pbl_chunk_list_create()  argument
1260 	struct pbl_chunk_list *chunk_list = &pbl->phys.indirect.chunk_list;  in pbl_chunk_list_create()
1261 	int page_cnt = pbl->phys.indirect.pbl_buf_size_in_pages;  in pbl_chunk_list_create()
1262 	struct scatterlist *pages_sgl = pbl->phys.indirect.sgl;  in pbl_chunk_list_create()
1264 	int sg_dma_cnt = pbl->phys.indirect.sg_dma_cnt;  in pbl_chunk_list_create()
1358 static void pbl_chunk_list_destroy(struct efa_dev *dev, struct pbl_context *pbl)  in pbl_chunk_list_destroy()  argument
1360 	struct pbl_chunk_list *chunk_list = &pbl->phys.indirect.chunk_list;  in pbl_chunk_list_destroy()
1372 /* initialize pbl continuous mode: map pbl buffer to a dma address. */
1374 				     struct pbl_context *pbl)  in pbl_continuous_initialize()  argument
1378 	dma_addr = dma_map_single(&dev->pdev->dev, pbl->pbl_buf,  in pbl_continuous_initialize()
1379 				  pbl->pbl_buf_size_in_bytes, DMA_TO_DEVICE);  in pbl_continuous_initialize()
1381 		ibdev_err(&dev->ibdev, "Unable to map pbl to DMA address\n");  in pbl_continuous_initialize()
1385 	pbl->phys.continuous.dma_addr = dma_addr;  in pbl_continuous_initialize()
1387 		  "pbl continuous - dma_addr = %pad, size[%u]\n",  in pbl_continuous_initialize()
1388 		  &dma_addr, pbl->pbl_buf_size_in_bytes);  in pbl_continuous_initialize()
1394  * initialize pbl indirect mode:
1396  * pbl buffer.
1398 static int pbl_indirect_initialize(struct efa_dev *dev, struct pbl_context *pbl)  in pbl_indirect_initialize()  argument
1400 	u32 size_in_pages = DIV_ROUND_UP(pbl->pbl_buf_size_in_bytes, PAGE_SIZE);  in pbl_indirect_initialize()
1405 	sgl = efa_vmalloc_buf_to_sg(pbl->pbl_buf, size_in_pages);  in pbl_indirect_initialize()
1415 	pbl->phys.indirect.pbl_buf_size_in_pages = size_in_pages;  in pbl_indirect_initialize()
1416 	pbl->phys.indirect.sgl = sgl;  in pbl_indirect_initialize()
1417 	pbl->phys.indirect.sg_dma_cnt = sg_dma_cnt;  in pbl_indirect_initialize()
1418 	err = pbl_chunk_list_create(dev, pbl);  in pbl_indirect_initialize()
1426 		  "pbl indirect - size[%u], chunks[%u]\n",  in pbl_indirect_initialize()
1427 		  pbl->pbl_buf_size_in_bytes,  in pbl_indirect_initialize()
1428 		  pbl->phys.indirect.chunk_list.size);  in pbl_indirect_initialize()
1439 static void pbl_indirect_terminate(struct efa_dev *dev, struct pbl_context *pbl)  in pbl_indirect_terminate()  argument
1441 	pbl_chunk_list_destroy(dev, pbl);  in pbl_indirect_terminate()
1442 	dma_unmap_sg(&dev->pdev->dev, pbl->phys.indirect.sgl,  in pbl_indirect_terminate()
1443 		     pbl->phys.indirect.pbl_buf_size_in_pages, DMA_TO_DEVICE);  in pbl_indirect_terminate()
1444 	kfree(pbl->phys.indirect.sgl);  in pbl_indirect_terminate()
1449 		      struct pbl_context *pbl,  in pbl_create()  argument
1456 	pbl->pbl_buf_size_in_bytes = hp_cnt * EFA_CHUNK_PAYLOAD_PTR_SIZE;  in pbl_create()
1457 	pbl->pbl_buf = kvzalloc(pbl->pbl_buf_size_in_bytes, GFP_KERNEL);  in pbl_create()
1458 	if (!pbl->pbl_buf)  in pbl_create()
1461 	if (is_vmalloc_addr(pbl->pbl_buf)) {  in pbl_create()
1462 		pbl->physically_continuous = 0;  in pbl_create()
1463 		err = umem_to_page_list(dev, umem, pbl->pbl_buf, hp_cnt,  in pbl_create()
1468 		err = pbl_indirect_initialize(dev, pbl);  in pbl_create()
1472 		pbl->physically_continuous = 1;  in pbl_create()
1473 		err = umem_to_page_list(dev, umem, pbl->pbl_buf, hp_cnt,  in pbl_create()
1478 		err = pbl_continuous_initialize(dev, pbl);  in pbl_create()
1485 		  hp_cnt, pbl->physically_continuous);  in pbl_create()
1490 	kvfree(pbl->pbl_buf);  in pbl_create()
1494 static void pbl_destroy(struct efa_dev *dev, struct pbl_context *pbl)  in pbl_destroy()  argument
1496 	if (pbl->physically_continuous)  in pbl_destroy()
1497 		dma_unmap_single(&dev->pdev->dev, pbl->phys.continuous.dma_addr,  in pbl_destroy()
1498 				 pbl->pbl_buf_size_in_bytes, DMA_TO_DEVICE);  in pbl_destroy()
1500 		pbl_indirect_terminate(dev, pbl);  in pbl_destroy()
1502 	kvfree(pbl->pbl_buf);  in pbl_destroy()
1511 	err = umem_to_page_list(dev, mr->umem, params->pbl.inline_pbl_array,  in efa_create_inline_pbl()
1523 			  struct pbl_context *pbl,  in efa_create_pbl()  argument
1529 	err = pbl_create(dev, pbl, mr->umem, params->page_num,  in efa_create_pbl()
1532 		ibdev_dbg(&dev->ibdev, "Failed to create pbl[%d]\n", err);  in efa_create_pbl()
1537 	params->indirect = !pbl->physically_continuous;  in efa_create_pbl()
1538 	if (pbl->physically_continuous) {  in efa_create_pbl()
1539 		params->pbl.pbl.length = pbl->pbl_buf_size_in_bytes;  in efa_create_pbl()
1541 		efa_com_set_dma_addr(pbl->phys.continuous.dma_addr,  in efa_create_pbl()
1542 				     &params->pbl.pbl.address.mem_addr_high,  in efa_create_pbl()
1543 				     &params->pbl.pbl.address.mem_addr_low);  in efa_create_pbl()
1545 		params->pbl.pbl.length =  in efa_create_pbl()
1546 			pbl->phys.indirect.chunk_list.chunks[0].length;  in efa_create_pbl()
1548 		efa_com_set_dma_addr(pbl->phys.indirect.chunk_list.chunks[0].dma_addr,  in efa_create_pbl()
1549 				     &params->pbl.pbl.address.mem_addr_high,  in efa_create_pbl()
1550 				     &params->pbl.pbl.address.mem_addr_low);  in efa_create_pbl()
1595 	struct pbl_context pbl;  in efa_register_mr()  local
1621 	inline_size = ARRAY_SIZE(params.pbl.inline_pbl_array);  in efa_register_mr()
1631 		err = efa_create_pbl(dev, &pbl, mr, &params);  in efa_register_mr()
1636 		pbl_destroy(dev, &pbl);  in efa_register_mr()