[IA64] Fix ia64 build

Signed-off-by: KUWAMURA Shin'ya <kuwa@jp.fujitsu.com>

xen/arch/ia64/xen/mm.c

@@ -195,7 +195,7 @@ static void __xencomm_mark_dirty(struct domain *d,
 
 extern unsigned long ia64_iobase;
 
-struct domain *dom_xen, *dom_io;
+struct domain *dom_xen, *dom_io, *dom_cow;
 
 /*
  * This number is bigger than DOMID_SELF, DOMID_XEN and DOMID_IO.
@@ -223,6 +223,13 @@ alloc_dom_xen_and_dom_io(void)
      */
     dom_io = domain_create(DOMID_IO, DOMCRF_dummy, 0);
     BUG_ON(dom_io == NULL);
+    
+    /*
+     * Initialise our DOMID_IO domain.
+     * This domain owns sharable pages.
+     */
+    dom_cow = domain_create(DOMID_COW, DOMCRF_dummy, 0);
+    BUG_ON(dom_cow == NULL);
 }
 
 static int

xen/common/grant_table.c

@@ -114,7 +114,7 @@ static unsigned inline int max_nr_maptrack_frames(void)
         __x = INVALID_MFN;                                  \
     __x; })
 #else
-#define gfn_to_mfn_private(_d, _gfn) gmfn_to_mfn(rd, act->gfn)
+#define gfn_to_mfn_private(_d, _gfn) gmfn_to_mfn(_d, _gfn)
 #endif
 
 #define SHGNT_PER_PAGE_V1 (PAGE_SIZE / sizeof(grant_entry_v1_t))

xen/common/memory.c

@@ -22,7 +22,9 @@
 #include <xen/tmem.h>
 #include <asm/current.h>
 #include <asm/hardirq.h>
-#include <asm/p2m.h>
+#ifdef CONFIG_X86
+# include <asm/p2m.h>
+#endif
 #include <xen/numa.h>
 #include <public/memory.h>
 #include <xsm/xsm.h>
@@ -152,10 +154,16 @@ out:
 int guest_remove_page(struct domain *d, unsigned long gmfn)
 {
     struct page_info *page;
+#ifdef CONFIG_X86
     p2m_type_t p2mt;
+#endif
     unsigned long mfn;
 
+#ifdef CONFIG_X86
     mfn = mfn_x(gfn_to_mfn(d, gmfn, &p2mt)); 
+#else
+    mfn = gmfn_to_mfn(d, gmfn);
+#endif
     if ( unlikely(!mfn_valid(mfn)) )
     {
         gdprintk(XENLOG_INFO, "Domain %u page number %lx invalid\n",
@@ -164,6 +172,7 @@ int guest_remove_page(struct domain *d, unsigned long gmfn)
     }
             
     page = mfn_to_page(mfn);
+#ifdef CONFIG_X86
     /* If gmfn is shared, just drop the guest reference (which may or may not
      * free the page) */
     if(p2m_is_shared(p2mt))
@@ -173,6 +182,7 @@ int guest_remove_page(struct domain *d, unsigned long gmfn)
         return 1;
     }
 
+#endif /* CONFIG_X86 */
     if ( unlikely(!get_page(page, d)) )
     {
         gdprintk(XENLOG_INFO, "Bad page free for domain %u\n", d->domain_id);
@@ -330,6 +340,7 @@ static long memory_exchange(XEN_GUEST_HANDLE(xen_memory_exchange_t) arg)
 
             for ( k = 0; k < (1UL << exch.in.extent_order); k++ )
             {
+#ifdef CONFIG_X86
                 p2m_type_t p2mt;
 
                 /* Shared pages cannot be exchanged */
@@ -339,6 +350,9 @@ static long memory_exchange(XEN_GUEST_HANDLE(xen_memory_exchange_t) arg)
                     rc = -ENOMEM;
                     goto fail; 
                 }
+#else /* !CONFIG_X86 */
+                mfn = gmfn_to_mfn(d, gmfn + k);
+#endif
                 if ( unlikely(!mfn_valid(mfn)) )
                 {
                     rc = -EINVAL;

xen/include/asm-ia64/mm.h

@@ -534,6 +534,7 @@ extern u64 translate_domain_pte(u64 pteval, u64 address, u64 itir__,
 
 #define INVALID_M2P_ENTRY        (~0UL)
 #define VALID_M2P(_e)            (!((_e) & (1UL<<63)))
+#define SHARED_M2P(_e)           0
 
 #define set_gpfn_from_mfn(mfn, pfn) (machine_to_phys_mapping[(mfn)] = (pfn))
 #define get_gpfn_from_mfn(mfn)      (machine_to_phys_mapping[(mfn)])
@@ -575,6 +576,6 @@ int donate_page(
 
 unsigned long domain_get_maximum_gpfn(struct domain *d);
 
-extern struct domain *dom_xen, *dom_io;	/* for vmcoreinfo */
+extern struct domain *dom_xen, *dom_io, *dom_cow;	/* for vmcoreinfo */
 
 #endif /* __ASM_IA64_MM_H__ */