xen: Introduce xen_pfn_t for pfn and mfn types

All the original Xen headers have xen_pfn_t as mfn and pfn type, however
when they have been imported in Linux, xen_pfn_t has been replaced with
unsigned long. That might work for x86 and ia64 but it does not for arm.
Bring back xen_pfn_t and let each architecture define xen_pfn_t as they
see fit.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h
index 3871e4753680..42834a36d345 100644
--- a/include/xen/interface/xen.h
+++ b/include/xen/interface/xen.h
@@ -188,7 +188,7 @@ struct mmuext_op {
         unsigned int cmd;
         union {
                 /* [UN]PIN_TABLE, NEW_BASEPTR, NEW_USER_BASEPTR */
-                unsigned long mfn;
+                xen_pfn_t mfn;
                 /* INVLPG_LOCAL, INVLPG_ALL, SET_LDT */
                 unsigned long linear_addr;
         } arg1;
@@ -428,11 +428,11 @@ struct start_info {
         unsigned long nr_pages;     /* Total pages allocated to this domain.  */
         unsigned long shared_info;  /* MACHINE address of shared info struct. */
         uint32_t flags;             /* SIF_xxx flags.                         */
-        unsigned long store_mfn;    /* MACHINE page number of shared page.    */
+        xen_pfn_t store_mfn;        /* MACHINE page number of shared page.    */
         uint32_t store_evtchn;      /* Event channel for store communication. */
         union {
                 struct {
-                        unsigned long mfn;  /* MACHINE page number of console page.   */
+                        xen_pfn_t mfn;      /* MACHINE page number of console page.   */
                         uint32_t  evtchn;   /* Event channel for console page.        */
                 } domU;
                 struct {