[PATCH v4 03/16] xen: Relocate struct npfec definition into common

[Tamas K Lengyel <tklengyel@sec.in.tum.de>]

Nested page fault exception code definitions can be reused on ARM as well.

Signed-off-by: Tamas K Lengyel <tklengyel@sec.in.tum.de>
Acked-by: Jan Beulich <jbeulich@suse.com>
---
 xen/include/asm-x86/hvm/hvm.h |  1 +
 xen/include/asm-x86/mm.h      | 21 ---------------------
 xen/include/xen/mm.h          | 21 +++++++++++++++++++++
 3 files changed, 22 insertions(+), 21 deletions(-)

diff --git a/xen/include/asm-x86/hvm/hvm.h b/xen/include/asm-x86/hvm/hvm.h
index 74e66f8..2701e35 100644
--- a/xen/include/asm-x86/hvm/hvm.h
+++ b/xen/include/asm-x86/hvm/hvm.h
@@ -27,6 +27,7 @@
 #include <public/domctl.h>
 #include <public/hvm/save.h>
 #include <public/hvm/ioreq.h>
+#include <xen/mm.h>
 #include <asm/mm.h>
 
 /* Interrupt acknowledgement sources. */
diff --git a/xen/include/asm-x86/mm.h b/xen/include/asm-x86/mm.h
index ebd482d..bafd28c 100644
--- a/xen/include/asm-x86/mm.h
+++ b/xen/include/asm-x86/mm.h
@@ -551,27 +551,6 @@ void audit_domains(void);
 
 #endif
 
-/*
- * Extra fault info types which are used to further describe
- * the source of an access violation.
- */
-typedef enum {
-    npfec_kind_unknown, /* must be first */
-    npfec_kind_in_gpt,  /* violation in guest page table */
-    npfec_kind_with_gla /* violation with guest linear address */
-} npfec_kind_t;
-
-/*
- * Nested page fault exception codes.
- */
-struct npfec {
-    unsigned int read_access:1;
-    unsigned int write_access:1;
-    unsigned int insn_fetch:1;
-    unsigned int gla_valid:1;
-    unsigned int kind:2;  /* npfec_kind_t */
-};
-
 int new_guest_cr3(unsigned long pfn);
 void make_cr3(struct vcpu *v, unsigned long mfn);
 void update_cr3(struct vcpu *v);
diff --git a/xen/include/xen/mm.h b/xen/include/xen/mm.h
index 7c0efc7..74a65a6 100644
--- a/xen/include/xen/mm.h
+++ b/xen/include/xen/mm.h
@@ -88,6 +88,27 @@ int assign_pages(
 /* Dump info to serial console */
 void arch_dump_shared_mem_info(void);
 
+/*
+ * Extra fault info types which are used to further describe
+ * the source of an access violation.
+ */
+typedef enum {
+    npfec_kind_unknown, /* must be first */
+    npfec_kind_in_gpt,  /* violation in guest page table */
+    npfec_kind_with_gla /* violation with guest linear address */
+} npfec_kind_t;
+
+/*
+ * Nested page fault exception codes.
+ */
+struct npfec {
+    unsigned int read_access:1;
+    unsigned int write_access:1;
+    unsigned int insn_fetch:1;
+    unsigned int gla_valid:1;
+    unsigned int kind:2;  /* npfec_kind_t */
+};
+
 /* memflags: */
 #define _MEMF_no_refcount 0
 #define  MEMF_no_refcount (1U<<_MEMF_no_refcount)
-- 
2.1.0