diff options
Diffstat (limited to 'driver/compat.h')
| -rw-r--r-- | driver/compat.h | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/driver/compat.h b/driver/compat.h index 472ca4f..6b29b40 100644 --- a/driver/compat.h +++ b/driver/compat.h @@ -37,7 +37,9 @@ # define __devinitdata #endif -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,9,0) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,4,0) // or 6.3, to be checked (6.1 is definitively still old API) +# define get_user_pages_compat(vma, nr, pages) get_user_pages(vma, nr, FOLL_WRITE, pages) +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(4,9,0) # define get_user_pages_compat(vma, nr, pages) get_user_pages(vma, nr, FOLL_WRITE, pages, NULL) #elif LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0) # define get_user_pages_compat(vma, nr, pages) get_user_pages(vma, nr, 1, 0, pages, NULL) @@ -55,4 +57,40 @@ // https://lore.kernel.org/linux-mips/20191209194819.GA28157@lst.de/T/ #endif + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,18,0) +# define pci_set_dma_mask(pdev, mask) dma_set_mask(&pdev->dev, mask) +# define pci_dma_mapping_error(pdev, dma_handle) dma_mapping_error(&pdev->dev, dma_handle) + +# define pci_map_sg(pdev, sg, nents, dir) dma_map_sg(&pdev->dev, sg, nents, dir) +# define pci_unmap_sg(pdev, sg, nents, dir) dma_unmap_sg(&pdev->dev, sg, nents, dir) +# define pci_dma_sync_sg_for_cpu(pdev, sg, nents, dir) dma_sync_sg_for_cpu(&pdev->dev, sg, nents, dir) +# define pci_dma_sync_sg_for_device(pdev, sg, nents, dir) dma_sync_sg_for_device(&pdev->dev, sg, nents, dir) + +# define pci_alloc_consistent(pdev, size, dma_handle) dma_alloc_coherent(&pdev->dev, size, dma_handle, GFP_KERNEL) +# define pci_free_consistent(pdev, size, vaddr, dma_handle) dma_free_coherent(&pdev->dev, size, vaddr, dma_handle) +# define pci_map_single(pdev, cpu_addr, size, direction) dma_map_single(&pdev->dev, cpu_addr, size, direction) +# define pci_unmap_single(pdev, dma_handle, size, direction) dma_unmap_single(&pdev->dev, dma_handle, size, direction) +# define pci_dma_sync_single_for_cpu(pdev, dma_handle, size, direction) dma_sync_single_for_cpu(&pdev->dev, dma_handle, size, direction) +# define pci_dma_sync_single_for_device(pdev, dma_handle, size, direction) dma_sync_single_for_device(&pdev->dev, dma_handle, size, direction) + +# define PCI_DMA_TODEVICE DMA_TO_DEVICE +# define PCI_DMA_FROMDEVICE DMA_FROM_DEVICE +# define PCI_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL +# define PCI_DMA_NONE DMA_NONE +#endif + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,3,0) +# define vma_flags_set_compat(vma, flags) { mmap_write_lock(vma->vm_mm); vm_flags_set(vma, flags); mmap_write_unlock(vma->vm_mm); } +#else +# define vma_flags_set_compat(vma, flags) { vma->vm_flags |= VM_RESERVED; } +#endif + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,4,0) +# define class_create_compat(mod, nodename) class_create(nodename) +#else +# define class_create_compat(mod, nodename) class_create(mod, nodename) +#endif + + #endif |