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-rw-r--r--arch/arm/include/asm/xen/page.h123
1 files changed, 1 insertions, 122 deletions
diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index 415dbc6e43fd..31bbc803cecb 100644
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h
@@ -1,122 +1 @@
-#ifndef _ASM_ARM_XEN_PAGE_H
-#define _ASM_ARM_XEN_PAGE_H
-
-#include <asm/page.h>
-#include <asm/pgtable.h>
-
-#include <linux/pfn.h>
-#include <linux/types.h>
-#include <linux/dma-mapping.h>
-
-#include <xen/xen.h>
-#include <xen/interface/grant_table.h>
-
-#define phys_to_machine_mapping_valid(pfn) (1)
-
-/* Xen machine address */
-typedef struct xmaddr {
- phys_addr_t maddr;
-} xmaddr_t;
-
-/* Xen pseudo-physical address */
-typedef struct xpaddr {
- phys_addr_t paddr;
-} xpaddr_t;
-
-#define XMADDR(x) ((xmaddr_t) { .maddr = (x) })
-#define XPADDR(x) ((xpaddr_t) { .paddr = (x) })
-
-#define INVALID_P2M_ENTRY (~0UL)
-
-/*
- * The pseudo-physical frame (pfn) used in all the helpers is always based
- * on Xen page granularity (i.e 4KB).
- *
- * A Linux page may be split across multiple non-contiguous Xen page so we
- * have to keep track with frame based on 4KB page granularity.
- *
- * PV drivers should never make a direct usage of those helpers (particularly
- * pfn_to_gfn and gfn_to_pfn).
- */
-
-unsigned long __pfn_to_mfn(unsigned long pfn);
-extern struct rb_root phys_to_mach;
-
-/* Pseudo-physical <-> Guest conversion */
-static inline unsigned long pfn_to_gfn(unsigned long pfn)
-{
- return pfn;
-}
-
-static inline unsigned long gfn_to_pfn(unsigned long gfn)
-{
- return gfn;
-}
-
-/* Pseudo-physical <-> BUS conversion */
-static inline unsigned long pfn_to_bfn(unsigned long pfn)
-{
- unsigned long mfn;
-
- if (phys_to_mach.rb_node != NULL) {
- mfn = __pfn_to_mfn(pfn);
- if (mfn != INVALID_P2M_ENTRY)
- return mfn;
- }
-
- return pfn;
-}
-
-static inline unsigned long bfn_to_pfn(unsigned long bfn)
-{
- return bfn;
-}
-
-#define bfn_to_local_pfn(bfn) bfn_to_pfn(bfn)
-
-/* VIRT <-> GUEST conversion */
-#define virt_to_gfn(v) (pfn_to_gfn(virt_to_phys(v) >> XEN_PAGE_SHIFT))
-#define gfn_to_virt(m) (__va(gfn_to_pfn(m) << XEN_PAGE_SHIFT))
-
-/* Only used in PV code. But ARM guests are always HVM. */
-static inline xmaddr_t arbitrary_virt_to_machine(void *vaddr)
-{
- BUG();
-}
-
-/* TODO: this shouldn't be here but it is because the frontend drivers
- * are using it (its rolled in headers) even though we won't hit the code path.
- * So for right now just punt with this.
- */
-static inline pte_t *lookup_address(unsigned long address, unsigned int *level)
-{
- BUG();
- return NULL;
-}
-
-extern int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops,
- struct gnttab_map_grant_ref *kmap_ops,
- struct page **pages, unsigned int count);
-
-extern int clear_foreign_p2m_mapping(struct gnttab_unmap_grant_ref *unmap_ops,
- struct gnttab_unmap_grant_ref *kunmap_ops,
- struct page **pages, unsigned int count);
-
-bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
-bool __set_phys_to_machine_multi(unsigned long pfn, unsigned long mfn,
- unsigned long nr_pages);
-
-static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn)
-{
- return __set_phys_to_machine(pfn, mfn);
-}
-
-#define xen_remap(cookie, size) ioremap_cache((cookie), (size))
-#define xen_unmap(cookie) iounmap((cookie))
-
-bool xen_arch_need_swiotlb(struct device *dev,
- phys_addr_t phys,
- dma_addr_t dev_addr);
-unsigned long xen_get_swiotlb_free_pages(unsigned int order);
-
-#endif /* _ASM_ARM_XEN_PAGE_H */
+#include <xen/arm/page.h>