x86/paravirt/xen: add set_fixmap pv_mmu_ops
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/fixmap.h b/include/asm-x86/fixmap.h
index 934d6b4..44d4f82 100644
--- a/include/asm-x86/fixmap.h
+++ b/include/asm-x86/fixmap.h
@@ -9,8 +9,18 @@
extern int fixmaps_set;
-extern void __set_fixmap(enum fixed_addresses idx,
- unsigned long phys, pgprot_t flags);
+void __native_set_fixmap(enum fixed_addresses idx, pte_t pte);
+void native_set_fixmap(enum fixed_addresses idx,
+ unsigned long phys, pgprot_t flags);
+
+#ifndef CONFIG_PARAVIRT
+static inline void __set_fixmap(enum fixed_addresses idx,
+ unsigned long phys, pgprot_t flags)
+{
+ native_set_fixmap(idx, phys, flags);
+}
+#endif
+
#define set_fixmap(idx, phys) \
__set_fixmap(idx, phys, PAGE_KERNEL)
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index 0f13b94..af85caf 100644
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -273,6 +273,13 @@
#endif
struct pv_lazy_ops lazy_mode;
+
+ /* dom0 ops */
+
+ /* Sometimes the physical address is a pfn, and sometimes its
+ an mfn. We can tell which is which from the index. */
+ void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx,
+ unsigned long phys, pgprot_t flags);
};
/* This contains all the paravirt structures: we get a convenient
@@ -1252,6 +1259,12 @@
}
}
+static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
+ unsigned long phys, pgprot_t flags)
+{
+ pv_mmu_ops.set_fixmap(idx, phys, flags);
+}
+
void _paravirt_nop(void);
#define paravirt_nop ((void *)_paravirt_nop)