arm/xen: Drop pte_mfn and mfn_pte

[firefly-linux-kernel-4.4.55.git] / arch / arm / include / asm / xen / page.h

diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index 98b1084f8282e82101ae86de867cc0c012240aca..98c9fc38b945c8e8c62fe99e2a974f6f35f3230b 100644 (file)
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h
@@ -13,9 +13,6 @@
 
 #define phys_to_machine_mapping_valid(pfn) (1)
 
-#define pte_mfn            pte_pfn
-#define mfn_pte            pfn_pte
-
 /* Xen machine address */
 typedef struct xmaddr {
        phys_addr_t maddr;
@@ -34,7 +31,19 @@ typedef struct xpaddr {
 unsigned long __pfn_to_mfn(unsigned long pfn);
 extern struct rb_root phys_to_mach;
 
-static inline unsigned long pfn_to_mfn(unsigned long pfn)
+/* 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;
 
@@ -47,16 +56,16 @@ static inline unsigned long pfn_to_mfn(unsigned long pfn)
        return pfn;
 }
 
-static inline unsigned long mfn_to_pfn(unsigned long mfn)
+static inline unsigned long bfn_to_pfn(unsigned long bfn)
 {
-       return mfn;
+       return bfn;
 }
 
-#define mfn_to_local_pfn(mfn) mfn_to_pfn(mfn)
+#define bfn_to_local_pfn(bfn)  bfn_to_pfn(bfn)
 
-/* VIRT <-> MACHINE conversion */
-#define virt_to_mfn(v)         (pfn_to_mfn(virt_to_pfn(v)))
-#define mfn_to_virt(m)         (__va(mfn_to_pfn(m) << PAGE_SHIFT))
+/* VIRT <-> GUEST conversion */
+#define virt_to_gfn(v)         (pfn_to_gfn(virt_to_pfn(v)))
+#define gfn_to_virt(m)         (__va(gfn_to_pfn(m) << PAGE_SHIFT))
 
 /* Only used in PV code. But ARM guests are always HVM. */
 static inline xmaddr_t arbitrary_virt_to_machine(void *vaddr)
@@ -96,7 +105,7 @@ static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn)
 
 bool xen_arch_need_swiotlb(struct device *dev,
                           unsigned long pfn,
-                          unsigned long mfn);
+                          unsigned long bfn);
 unsigned long xen_get_swiotlb_free_pages(unsigned int order);
 
 #endif /* _ASM_ARM_XEN_PAGE_H */