diff options
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index e614fb42d8bb..e7bb4b62cc97 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1626,6 +1626,13 @@ static inline int pci_get_new_domain_nr(void) { return -ENOSYS; } #include <asm/pci.h> +/* Map a range of PCI memory or I/O space for a device into user space. + * Architectures provide this function if they set HAVE_PCI_MMAP, and + * it accepts the 'write_combine' argument when arch_can_pci_mmap_wc() + * evaluates to nonzero. */ +int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, + enum pci_mmap_state mmap_state, int write_combine); + #ifndef arch_can_pci_mmap_wc #define arch_can_pci_mmap_wc() 0 #endif |