diff options
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/pci/intel-iommu.c | 20 |
2 files changed, 9 insertions, 13 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index bc2fbadff9f..5ff2252ec47 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1794,7 +1794,7 @@ config PCI_MMCONFIG config DMAR bool "Support for DMA Remapping Devices (EXPERIMENTAL)" - depends on X86_64 && PCI_MSI && ACPI && EXPERIMENTAL + depends on PCI_MSI && ACPI && EXPERIMENTAL help DMA remapping (DMAR) devices support enables independent address translations for Direct Memory Access (DMA) from devices. diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index e541c3bdbf0..0c12d06bade 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -2315,7 +2315,7 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr, error: if (iova) __free_iova(&domain->iovad, iova); - printk(KERN_ERR"Device %s request: %lx@%llx dir %d --- failed\n", + printk(KERN_ERR"Device %s request: %zx@%llx dir %d --- failed\n", pci_name(pdev), size, (unsigned long long)paddr, dir); return 0; } @@ -2411,7 +2411,7 @@ void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, size_t size, start_addr = iova->pfn_lo << PAGE_SHIFT; size = aligned_size((u64)dev_addr, size); - pr_debug("Device %s unmapping: %lx@%llx\n", + pr_debug("Device %s unmapping: %zx@%llx\n", pci_name(pdev), size, (unsigned long long)start_addr); /* clear the whole page */ @@ -2469,8 +2469,6 @@ void intel_free_coherent(struct device *hwdev, size_t size, void *vaddr, free_pages((unsigned long)vaddr, order); } -#define SG_ENT_VIRT_ADDRESS(sg) (sg_virt((sg))) - void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist, int nelems, int dir) { @@ -2480,7 +2478,7 @@ void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist, unsigned long start_addr; struct iova *iova; size_t size = 0; - void *addr; + phys_addr_t addr; struct scatterlist *sg; struct intel_iommu *iommu; @@ -2496,7 +2494,7 @@ void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist, if (!iova) return; for_each_sg(sglist, sg, nelems, i) { - addr = SG_ENT_VIRT_ADDRESS(sg); + addr = page_to_phys(sg_page(sg)) + sg->offset; size += aligned_size((u64)addr, sg->length); } @@ -2523,7 +2521,7 @@ static int intel_nontranslate_map_sg(struct device *hddev, for_each_sg(sglist, sg, nelems, i) { BUG_ON(!sg_page(sg)); - sg->dma_address = virt_to_bus(SG_ENT_VIRT_ADDRESS(sg)); + sg->dma_address = page_to_phys(sg_page(sg)) + sg->offset; sg->dma_length = sg->length; } return nelems; @@ -2532,7 +2530,7 @@ static int intel_nontranslate_map_sg(struct device *hddev, int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems, int dir) { - void *addr; + phys_addr_t addr; int i; struct pci_dev *pdev = to_pci_dev(hwdev); struct dmar_domain *domain; @@ -2556,8 +2554,7 @@ int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems, iommu = domain_get_iommu(domain); for_each_sg(sglist, sg, nelems, i) { - addr = SG_ENT_VIRT_ADDRESS(sg); - addr = (void *)virt_to_phys(addr); + addr = page_to_phys(sg_page(sg)) + sg->offset; size += aligned_size((u64)addr, sg->length); } @@ -2580,8 +2577,7 @@ int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems, start_addr = iova->pfn_lo << PAGE_SHIFT; offset = 0; for_each_sg(sglist, sg, nelems, i) { - addr = SG_ENT_VIRT_ADDRESS(sg); - addr = (void *)virt_to_phys(addr); + addr = page_to_phys(sg_page(sg)) + sg->offset; size = aligned_size((u64)addr, sg->length); ret = domain_page_mapping(domain, start_addr + offset, ((u64)addr) & PAGE_MASK, |