Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2003 Christoph Hellwig (hch@lst.de) |
| 7 | * Copyright (C) 1999, 2000, 04 Ralf Baechle (ralf@linux-mips.org) |
| 8 | * Copyright (C) 1999, 2000 Silicon Graphics, Inc. |
| 9 | */ |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 10 | #include <asm/pci/bridge.h> |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 11 | |
| 12 | dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr) |
| 13 | { |
| 14 | struct pci_dev *pdev = to_pci_dev(dev); |
| 15 | struct bridge_controller *bc = BRIDGE_CONTROLLER(pdev->bus); |
| 16 | |
| 17 | return bc->baddr + paddr; |
| 18 | } |
| 19 | |
| 20 | phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr) |
| 21 | { |
| 22 | return dma_addr & ~(0xffUL << 56); |
| 23 | } |
| 24 | |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 25 | #ifdef CONFIG_NUMA |
| 26 | int pcibus_to_node(struct pci_bus *bus) |
| 27 | { |
| 28 | struct bridge_controller *bc = BRIDGE_CONTROLLER(bus); |
| 29 | |
| 30 | return bc->nasid; |
| 31 | } |
| 32 | EXPORT_SYMBOL(pcibus_to_node); |
| 33 | #endif /* CONFIG_NUMA */ |