340 	SGDescriptor_struct *chain_sg;  in cciss_unmap_sg_chain_block()  local
346 	chain_sg = &c->SG[h->max_cmd_sgentries - 1];  in cciss_unmap_sg_chain_block()
347 	temp64.val32.lower = chain_sg->Addr.lower;  in cciss_unmap_sg_chain_block()
348 	temp64.val32.upper = chain_sg->Addr.upper;  in cciss_unmap_sg_chain_block()
349 	pci_unmap_single(h->pdev, temp64.val, chain_sg->Len, PCI_DMA_TODEVICE);  in cciss_unmap_sg_chain_block()
355 	SGDescriptor_struct *chain_sg;  in cciss_map_sg_chain_block()  local
358 	chain_sg = &c->SG[h->max_cmd_sgentries - 1];  in cciss_map_sg_chain_block()
359 	chain_sg->Ext = CCISS_SG_CHAIN;  in cciss_map_sg_chain_block()
360 	chain_sg->Len = len;  in cciss_map_sg_chain_block()
363 	chain_sg->Addr.lower = temp64.val32.lower;  in cciss_map_sg_chain_block()
364 	chain_sg->Addr.upper = temp64.val32.upper;  in cciss_map_sg_chain_block()