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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-14 02:55:31 +0200 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2008-10-20 20:01:47 +0200 |
| commit | e9f82cb75096ae30658a72d473bf170bf4d3bb2e (patch) | |
| tree | b01ec524b3dfe34b520044bdb8e5b13fbe39f4f7 /arch/powerpc/include/asm/pci.h | |
| parent | PCI: Add ability to mmap legacy_io on some platforms (diff) | |
| download | linux-e9f82cb75096ae30658a72d473bf170bf4d3bb2e.tar.xz linux-e9f82cb75096ae30658a72d473bf170bf4d3bb2e.zip | |
powerpc/PCI: Add legacy PCI access via sysfs
This patch adds support for legacy_io and legacy_mem files in
bus class directories in sysfs for powerpc
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'arch/powerpc/include/asm/pci.h')
| -rw-r--r-- | arch/powerpc/include/asm/pci.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index 0e52c7828ea4..39d547fde956 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -123,6 +123,16 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ #define HAVE_PCI_MMAP 1 +extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, + size_t count); +extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, + size_t count); +extern int pci_mmap_legacy_page_range(struct pci_bus *bus, + struct vm_area_struct *vma, + enum pci_mmap_state mmap_state); + +#define HAVE_PCI_LEGACY 1 + #if defined(CONFIG_PPC64) || defined(CONFIG_NOT_COHERENT_CACHE) /* * For 64-bit kernels, pci_unmap_{single,page} is not a nop. @@ -226,5 +236,6 @@ extern void pci_resource_to_user(const struct pci_dev *dev, int bar, extern void pcibios_do_bus_setup(struct pci_bus *bus); extern void pcibios_fixup_of_probed_bus(struct pci_bus *bus); + #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_PCI_H */ |