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Diffstat (limited to 'arch/arm/include/asm/xen/page.h')
-rw-r--r--arch/arm/include/asm/xen/page.h92
1 files changed, 3 insertions, 89 deletions
diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index 359a7b50b158..dc7f6e91aafa 100644
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h
@@ -1,92 +1,6 @@
-#ifndef _ASM_ARM_XEN_PAGE_H
-#define _ASM_ARM_XEN_PAGE_H
+#include <xen/arm/page.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-
-#include <linux/pfn.h>
-#include <linux/types.h>
-
-#include <xen/interface/grant_table.h>
-
-#define pfn_to_mfn(pfn) (pfn)
-#define phys_to_machine_mapping_valid(pfn) (1)
-#define mfn_to_pfn(mfn) (mfn)
-#define mfn_to_virt(m) (__va(mfn_to_pfn(m) << PAGE_SHIFT))
-
-#define pte_mfn pte_pfn
-#define mfn_pte pfn_pte
-
-/* 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)
-
-static inline xmaddr_t phys_to_machine(xpaddr_t phys)
-{
- unsigned offset = phys.paddr & ~PAGE_MASK;
- return XMADDR(PFN_PHYS(pfn_to_mfn(PFN_DOWN(phys.paddr))) | offset);
-}
-
-static inline xpaddr_t machine_to_phys(xmaddr_t machine)
-{
- unsigned offset = machine.maddr & ~PAGE_MASK;
- return XPADDR(PFN_PHYS(mfn_to_pfn(PFN_DOWN(machine.maddr))) | offset);
-}
-/* VIRT <-> MACHINE conversion */
-#define virt_to_machine(v) (phys_to_machine(XPADDR(__pa(v))))
-#define virt_to_pfn(v) (PFN_DOWN(__pa(v)))
-#define virt_to_mfn(v) (pfn_to_mfn(virt_to_pfn(v)))
-#define mfn_to_virt(m) (__va(mfn_to_pfn(m) << PAGE_SHIFT))
-
-static inline xmaddr_t arbitrary_virt_to_machine(void *vaddr)
-{
- /* TODO: assuming it is mapped in the kernel 1:1 */
- return virt_to_machine(vaddr);
-}
-
-/* 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;
-}
-
-static inline int m2p_add_override(unsigned long mfn, struct page *page,
- struct gnttab_map_grant_ref *kmap_op)
-{
- return 0;
-}
-
-static inline int m2p_remove_override(struct page *page, bool clear_pte)
+static inline bool xen_kernel_unmapped_at_usr(void)
{
- return 0;
+ return false;
}
-
-static inline bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn)
-{
- BUG_ON(pfn != mfn && mfn != INVALID_P2M_ENTRY);
- return true;
-}
-
-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_cached((cookie), (size));
-
-#endif /* _ASM_ARM_XEN_PAGE_H */