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[Xen-changelog] [xen-unstable] Represent PFNs with their own type, rathe

To: xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-changelog] [xen-unstable] Represent PFNs with their own type, rather than 'unsigned long'.
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Tue, 06 Jun 2006 12:00:58 +0000
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# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID b3d901ba705d870c58ad327eff97fbdc5e21c063
# Parent  3913a119477de17cf123991c113828437d7ba471
Represent PFNs with their own type, rather than 'unsigned long'.
('long' changes size and alignment between 32- and 64-bit ABIs.)
Signed-off-by: Hollis Blanchard <hollisb@xxxxxxxxxx>
---
 linux-2.6-xen-sparse/drivers/xen/privcmd/privcmd.c |    2 
 linux-2.6-xen-sparse/include/xen/public/privcmd.h  |    2 
 tools/debugger/libxendebug/xendebug.c              |    2 
 tools/ioemu/hw/cirrus_vga.c                        |   12 ++---
 tools/ioemu/vl.c                                   |   15 +++----
 tools/libxc/xc_core.c                              |    8 +--
 tools/libxc/xc_domain.c                            |   10 ++--
 tools/libxc/xc_hvm_build.c                         |    6 +-
 tools/libxc/xc_ia64_stubs.c                        |   12 ++---
 tools/libxc/xc_linux.c                             |    2 
 tools/libxc/xc_linux_build.c                       |   21 +++++-----
 tools/libxc/xc_linux_restore.c                     |   14 +++---
 tools/libxc/xc_linux_save.c                        |   26 ++++++------
 tools/libxc/xc_load_aout9.c                        |    4 -
 tools/libxc/xc_load_bin.c                          |    4 -
 tools/libxc/xc_load_elf.c                          |    8 +--
 tools/libxc/xc_private.c                           |   44 ++++++++++-----------
 tools/libxc/xenctrl.h                              |   16 +++----
 tools/libxc/xg_private.h                           |    4 -
 tools/libxc/xg_save_restore.h                      |   12 ++---
 xen/common/memory.c                                |   20 ++++++---
 xen/include/public/arch-ia64.h                     |    3 +
 xen/include/public/arch-x86_32.h                   |    5 +-
 xen/include/public/arch-x86_64.h                   |    5 +-
 xen/include/public/dom0_ops.h                      |   16 +++----
 xen/include/public/grant_table.h                   |    2 
 xen/include/public/memory.h                        |   10 ++--
 xen/include/public/xen.h                           |    6 +-
 28 files changed, 155 insertions(+), 136 deletions(-)

diff -r 3913a119477d -r b3d901ba705d 
linux-2.6-xen-sparse/drivers/xen/privcmd/privcmd.c
--- a/linux-2.6-xen-sparse/drivers/xen/privcmd/privcmd.c        Tue Jun 06 
08:21:31 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/privcmd/privcmd.c        Tue Jun 06 
09:48:17 2006 +0100
@@ -161,7 +161,7 @@ static int privcmd_ioctl(struct inode *i
        case IOCTL_PRIVCMD_MMAPBATCH: {
                privcmd_mmapbatch_t m;
                struct vm_area_struct *vma = NULL;
-               unsigned long __user *p;
+               xen_pfn_t __user *p;
                unsigned long addr, mfn; 
                int i;
 
diff -r 3913a119477d -r b3d901ba705d 
linux-2.6-xen-sparse/include/xen/public/privcmd.h
--- a/linux-2.6-xen-sparse/include/xen/public/privcmd.h Tue Jun 06 08:21:31 
2006 +0100
+++ b/linux-2.6-xen-sparse/include/xen/public/privcmd.h Tue Jun 06 09:48:17 
2006 +0100
@@ -59,7 +59,7 @@ typedef struct privcmd_mmapbatch {
        int num;     /* number of pages to populate */
        domid_t dom; /* target domain */
        unsigned long addr;  /* virtual address */
-       unsigned long __user *arr; /* array of mfns - top nibble set on err */
+       xen_pfn_t __user *arr; /* array of mfns - top nibble set on err */
 } privcmd_mmapbatch_t; 
 
 /*
diff -r 3913a119477d -r b3d901ba705d tools/debugger/libxendebug/xendebug.c
--- a/tools/debugger/libxendebug/xendebug.c     Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/debugger/libxendebug/xendebug.c     Tue Jun 06 09:48:17 2006 +0100
@@ -57,7 +57,7 @@ typedef struct domain_context           
     vcpu_guest_context_t context[MAX_VIRT_CPUS];
 
     long            total_pages;
-    unsigned long  *page_array;
+    xen_pfn_t      *page_array;
 
     unsigned long   cr3_phys[MAX_VIRT_CPUS];
     unsigned long  *cr3_virt[MAX_VIRT_CPUS];
diff -r 3913a119477d -r b3d901ba705d tools/ioemu/hw/cirrus_vga.c
--- a/tools/ioemu/hw/cirrus_vga.c       Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/ioemu/hw/cirrus_vga.c       Tue Jun 06 09:48:17 2006 +0100
@@ -2462,7 +2462,7 @@ extern FILE *logfile;
 extern FILE *logfile;
 static void * set_vram_mapping(unsigned long begin, unsigned long end)
 {
-    unsigned long * extent_start = NULL;
+    xen_pfn_t *extent_start = NULL;
     unsigned long nr_extents;
     void *vram_pointer = NULL;
     int i;
@@ -2473,14 +2473,14 @@ static void * set_vram_mapping(unsigned 
     end = (end + TARGET_PAGE_SIZE -1 ) & TARGET_PAGE_MASK;
     nr_extents = (end - begin) >> TARGET_PAGE_BITS;
 
-    extent_start = malloc(sizeof(unsigned long) * nr_extents );
+    extent_start = malloc(sizeof(xen_pfn_t) * nr_extents );
     if (extent_start == NULL)
     {
         fprintf(stderr, "Failed malloc on set_vram_mapping\n");
         return NULL;
     }
 
-    memset(extent_start, 0, sizeof(unsigned long) * nr_extents);
+    memset(extent_start, 0, sizeof(xen_pfn_t) * nr_extents);
 
     for (i = 0; i < nr_extents; i++)
     {
@@ -2508,7 +2508,7 @@ static void * set_vram_mapping(unsigned 
 
 static int unset_vram_mapping(unsigned long begin, unsigned long end)
 {
-    unsigned long * extent_start = NULL;
+    xen_pfn_t *extent_start = NULL;
     unsigned long nr_extents;
     int i;
 
@@ -2519,7 +2519,7 @@ static int unset_vram_mapping(unsigned l
     end = (end + TARGET_PAGE_SIZE -1 ) & TARGET_PAGE_MASK;
     nr_extents = (end - begin) >> TARGET_PAGE_BITS;
 
-    extent_start = malloc(sizeof(unsigned long) * nr_extents );
+    extent_start = malloc(sizeof(xen_pfn_t) * nr_extents );
 
     if (extent_start == NULL)
     {
@@ -2527,7 +2527,7 @@ static int unset_vram_mapping(unsigned l
         return -1;
     }
 
-    memset(extent_start, 0, sizeof(unsigned long) * nr_extents);
+    memset(extent_start, 0, sizeof(xen_pfn_t) * nr_extents);
 
     for (i = 0; i < nr_extents; i++)
         extent_start[i] = (begin + (i * TARGET_PAGE_SIZE)) >> TARGET_PAGE_BITS;
diff -r 3913a119477d -r b3d901ba705d tools/ioemu/vl.c
--- a/tools/ioemu/vl.c  Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/ioemu/vl.c  Tue Jun 06 09:48:17 2006 +0100
@@ -2458,7 +2458,7 @@ int unset_mm_mapping(int xc_handle,
                      uint32_t domid,
                      unsigned long nr_pages,
                      unsigned int address_bits,
-                     unsigned long *extent_start)
+                     xen_pfn_t *extent_start)
 {
     int err = 0;
     xc_dominfo_t info;
@@ -2491,7 +2491,7 @@ int set_mm_mapping(int xc_handle,
                     uint32_t domid,
                     unsigned long nr_pages,
                     unsigned int address_bits,
-                    unsigned long *extent_start)
+                    xen_pfn_t *extent_start)
 {
     xc_dominfo_t info;
     int err = 0;
@@ -2557,7 +2557,8 @@ int main(int argc, char **argv)
     int serial_device_index;
     char qemu_dm_logfilename[64];
     const char *loadvm = NULL;
-    unsigned long nr_pages, *page_array;
+    unsigned long nr_pages;
+    xen_pfn_t *page_array;
     extern void *shared_page;
 
 #if !defined(CONFIG_SOFTMMU)
@@ -3023,8 +3024,8 @@ int main(int argc, char **argv)
 
     xc_handle = xc_interface_open();
 
-    if ( (page_array = (unsigned long *)
-                        malloc(nr_pages * sizeof(unsigned long))) == NULL)
+    if ( (page_array = (xen_pfn_t *)
+                        malloc(nr_pages * sizeof(xen_pfn_t))) == NULL)
     {
         fprintf(logfile, "malloc returned error %d\n", errno);
         exit(-1);
@@ -3079,8 +3080,8 @@ int main(int argc, char **argv)
                                        page_array[0]);
 #endif
 
-    fprintf(logfile, "shared page at pfn:%lx, mfn: %lx\n", (nr_pages-1),
-           (page_array[nr_pages - 1]));
+    fprintf(logfile, "shared page at pfn:%lx, mfn: %"PRIx64"\n", (nr_pages-1),
+           (uint64_t)(page_array[nr_pages - 1]));
 
     /* we always create the cdrom drive, even if no disk is there */
     bdrv_init();
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_core.c
--- a/tools/libxc/xc_core.c     Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_core.c     Tue Jun 06 09:48:17 2006 +0100
@@ -28,7 +28,7 @@ xc_domain_dumpcore_via_callback(int xc_h
                                 dumpcore_rtn_t dump_rtn)
 {
     unsigned long nr_pages;
-    unsigned long *page_array = NULL;
+    xen_pfn_t *page_array = NULL;
     xc_dominfo_t info;
     int i, nr_vcpus = 0;
     char *dump_mem, *dump_mem_start = NULL;
@@ -70,7 +70,7 @@ xc_domain_dumpcore_via_callback(int xc_h
         sizeof(vcpu_guest_context_t)*nr_vcpus;
     dummy_len = (sizeof(struct xc_core_header) +
                  (sizeof(vcpu_guest_context_t) * nr_vcpus) +
-                 (nr_pages * sizeof(unsigned long)));
+                 (nr_pages * sizeof(xen_pfn_t)));
     header.xch_pages_offset = round_pgup(dummy_len);
 
     sts = dump_rtn(args, (char *)&header, sizeof(struct xc_core_header));
@@ -81,7 +81,7 @@ xc_domain_dumpcore_via_callback(int xc_h
     if ( sts != 0 )
         goto error_out;
 
-    if ( (page_array = malloc(nr_pages * sizeof(unsigned long))) == NULL )
+    if ( (page_array = malloc(nr_pages * sizeof(xen_pfn_t))) == NULL )
     {
         printf("Could not allocate memory\n");
         goto error_out;
@@ -91,7 +91,7 @@ xc_domain_dumpcore_via_callback(int xc_h
         printf("Could not get the page frame list\n");
         goto error_out;
     }
-    sts = dump_rtn(args, (char *)page_array, nr_pages * sizeof(unsigned long));
+    sts = dump_rtn(args, (char *)page_array, nr_pages * sizeof(xen_pfn_t));
     if ( sts != 0 )
         goto error_out;
 
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_domain.c
--- a/tools/libxc/xc_domain.c   Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_domain.c   Tue Jun 06 09:48:17 2006 +0100
@@ -291,7 +291,7 @@ int xc_domain_memory_increase_reservatio
                                           unsigned long nr_extents,
                                           unsigned int extent_order,
                                           unsigned int address_bits,
-                                          unsigned long *extent_start)
+                                          xen_pfn_t *extent_start)
 {
     int err;
     struct xen_memory_reservation reservation = {
@@ -324,7 +324,7 @@ int xc_domain_memory_decrease_reservatio
                                           uint32_t domid,
                                           unsigned long nr_extents,
                                           unsigned int extent_order,
-                                          unsigned long *extent_start)
+                                          xen_pfn_t *extent_start)
 {
     int err;
     struct xen_memory_reservation reservation = {
@@ -363,7 +363,7 @@ int xc_domain_memory_populate_physmap(in
                                           unsigned long nr_extents,
                                           unsigned int extent_order,
                                           unsigned int address_bits,
-                                          unsigned long *extent_start)
+                                          xen_pfn_t *extent_start)
 {
     int err;
     struct xen_memory_reservation reservation = {
@@ -392,8 +392,8 @@ int xc_domain_translate_gpfn_list(int xc
 int xc_domain_translate_gpfn_list(int xc_handle,
                                   uint32_t domid,
                                   unsigned long nr_gpfns,
-                                  unsigned long *gpfn_list,
-                                  unsigned long *mfn_list)
+                                  xen_pfn_t *gpfn_list,
+                                  xen_pfn_t *mfn_list)
 {
     struct xen_translate_gpfn_list op = {
         .domid        = domid,
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_hvm_build.c
--- a/tools/libxc/xc_hvm_build.c        Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_hvm_build.c        Tue Jun 06 09:48:17 2006 +0100
@@ -135,7 +135,7 @@ static void set_hvm_info_checksum(struct
  * hvmloader will use this info to set BIOS accordingly
  */
 static int set_hvm_info(int xc_handle, uint32_t dom,
-                        unsigned long *pfn_list, unsigned int vcpus,
+                        xen_pfn_t *pfn_list, unsigned int vcpus,
                         unsigned int pae, unsigned int acpi, unsigned int apic)
 {
     char *va_map;
@@ -178,7 +178,7 @@ static int setup_guest(int xc_handle,
                        unsigned int store_evtchn,
                        unsigned long *store_mfn)
 {
-    unsigned long *page_array = NULL;
+    xen_pfn_t *page_array = NULL;
     unsigned long count, i;
     unsigned long long ptr;
     xc_mmu_t *mmu = NULL;
@@ -223,7 +223,7 @@ static int setup_guest(int xc_handle,
         goto error_out;
     }
 
-    if ( (page_array = malloc(nr_pages * sizeof(unsigned long))) == NULL )
+    if ( (page_array = malloc(nr_pages * sizeof(xen_pfn_t))) == NULL )
     {
         PERROR("Could not allocate memory.\n");
         goto error_out;
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_ia64_stubs.c
--- a/tools/libxc/xc_ia64_stubs.c       Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_ia64_stubs.c       Tue Jun 06 09:48:17 2006 +0100
@@ -57,7 +57,7 @@ xc_plan9_build(int xc_handle,
 
 int xc_ia64_get_pfn_list(int xc_handle,
                          uint32_t domid,
-                         unsigned long *pfn_buf,
+                         xen_pfn_t *pfn_buf,
                          unsigned int start_page,
                          unsigned int nr_pages)
 {
@@ -65,7 +65,7 @@ int xc_ia64_get_pfn_list(int xc_handle,
     int num_pfns,ret;
     unsigned int __start_page, __nr_pages;
     unsigned long max_pfns;
-    unsigned long *__pfn_buf;
+    xen_pfn_t *__pfn_buf;
 
     __start_page = start_page;
     __nr_pages = nr_pages;
@@ -80,7 +80,7 @@ int xc_ia64_get_pfn_list(int xc_handle,
         set_xen_guest_handle(op.u.getmemlist.buffer, __pfn_buf);
 
         if ( (max_pfns != -1UL)
-            && mlock(__pfn_buf, __nr_pages * sizeof(unsigned long)) != 0 )
+            && mlock(__pfn_buf, __nr_pages * sizeof(xen_pfn_t)) != 0 )
         {
             PERROR("Could not lock pfn list buffer");
             return -1;
@@ -89,7 +89,7 @@ int xc_ia64_get_pfn_list(int xc_handle,
         ret = do_dom0_op(xc_handle, &op);
 
         if (max_pfns != -1UL)
-            (void)munlock(__pfn_buf, __nr_pages * sizeof(unsigned long));
+            (void)munlock(__pfn_buf, __nr_pages * sizeof(xen_pfn_t));
 
         if (max_pfns == -1UL)
             return 0;
@@ -122,10 +122,10 @@ int xc_ia64_copy_to_domain_pages(int xc_
 {
     // N.B. gva should be page aligned
 
-    unsigned long *page_array = NULL;
+    xen_pfn_t *page_array = NULL;
     int i;
 
-    if ( (page_array = malloc(nr_pages * sizeof(unsigned long))) == NULL ){
+    if ( (page_array = malloc(nr_pages * sizeof(xen_pfn_t))) == NULL ){
         PERROR("Could not allocate memory");
         goto error_out;
     }
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_linux.c
--- a/tools/libxc/xc_linux.c    Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_linux.c    Tue Jun 06 09:48:17 2006 +0100
@@ -28,7 +28,7 @@ int xc_interface_close(int xc_handle)
 }
 
 void *xc_map_foreign_batch(int xc_handle, uint32_t dom, int prot,
-                           unsigned long *arr, int num)
+                           xen_pfn_t *arr, int num)
 {
     privcmd_mmapbatch_t ioctlx;
     void *addr;
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_linux_build.c
--- a/tools/libxc/xc_linux_build.c      Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_linux_build.c      Tue Jun 06 09:48:17 2006 +0100
@@ -10,6 +10,7 @@
 #include "xc_aout9.h"
 #include <stdlib.h>
 #include <unistd.h>
+#include <inttypes.h>
 #include <zlib.h>
 
 #if defined(__i386__)
@@ -136,7 +137,7 @@ int load_initrd(int xc_handle, domid_t d
 int load_initrd(int xc_handle, domid_t dom,
                 struct initrd_info *initrd,
                 unsigned long physbase,
-                unsigned long *phys_to_mach)
+                xen_pfn_t *phys_to_mach)
 {
     char page[PAGE_SIZE];
     unsigned long pfn_start, pfn, nr_pages;
@@ -189,7 +190,7 @@ static int setup_pg_tables(int xc_handle
                            vcpu_guest_context_t *ctxt,
                            unsigned long dsi_v_start,
                            unsigned long v_end,
-                           unsigned long *page_array,
+                           xen_pfn_t *page_array,
                            unsigned long vpt_start,
                            unsigned long vpt_end,
                            unsigned shadow_mode_enabled)
@@ -251,7 +252,7 @@ static int setup_pg_tables_pae(int xc_ha
                                vcpu_guest_context_t *ctxt,
                                unsigned long dsi_v_start,
                                unsigned long v_end,
-                               unsigned long *page_array,
+                               xen_pfn_t *page_array,
                                unsigned long vpt_start,
                                unsigned long vpt_end,
                                unsigned shadow_mode_enabled,
@@ -356,7 +357,7 @@ static int setup_pg_tables_64(int xc_han
                               vcpu_guest_context_t *ctxt,
                               unsigned long dsi_v_start,
                               unsigned long v_end,
-                              unsigned long *page_array,
+                              xen_pfn_t *page_array,
                               unsigned long vpt_start,
                               unsigned long vpt_end,
                               int shadow_mode_enabled)
@@ -467,7 +468,7 @@ static int setup_guest(int xc_handle,
                        unsigned int console_evtchn, unsigned long *console_mfn,
                        uint32_t required_features[XENFEAT_NR_SUBMAPS])
 {
-    unsigned long *page_array = NULL;
+    xen_pfn_t *page_array = NULL;
     struct load_funcs load_funcs;
     struct domain_setup_info dsi;
     unsigned long vinitrd_start;
@@ -494,7 +495,7 @@ static int setup_guest(int xc_handle,
 
     start_page = dsi.v_start >> PAGE_SHIFT;
     pgnr = (v_end - dsi.v_start) >> PAGE_SHIFT;
-    if ( (page_array = malloc(pgnr * sizeof(unsigned long))) == NULL )
+    if ( (page_array = malloc(pgnr * sizeof(xen_pfn_t))) == NULL )
     {
         PERROR("Could not allocate memory");
         goto error_out;
@@ -622,7 +623,7 @@ static int setup_guest(int xc_handle,
                        unsigned int console_evtchn, unsigned long *console_mfn,
                        uint32_t required_features[XENFEAT_NR_SUBMAPS])
 {
-    unsigned long *page_array = NULL;
+    xen_pfn_t *page_array = NULL;
     unsigned long count, i, hypercall_pfn;
     start_info_t *start_info;
     shared_info_t *shared_info;
@@ -633,7 +634,7 @@ static int setup_guest(int xc_handle,
 
     unsigned long nr_pt_pages;
     unsigned long physmap_pfn;
-    unsigned long *physmap, *physmap_e;
+    xen_pfn_t *physmap, *physmap_e;
 
     struct load_funcs load_funcs;
     struct domain_setup_info dsi;
@@ -882,8 +883,8 @@ static int setup_guest(int xc_handle,
             ((uint64_t)page_array[count] << PAGE_SHIFT) | MMU_MACHPHYS_UPDATE,
             count) )
         {
-            fprintf(stderr,"m2p update failure p=%lx m=%lx\n",
-                    count, page_array[count]);
+            fprintf(stderr,"m2p update failure p=%lx m=%"PRIx64"\n",
+                    count, (uint64_t)page_array[count]);
             munmap(physmap, PAGE_SIZE);
             goto error_out;
         }
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_linux_restore.c
--- a/tools/libxc/xc_linux_restore.c    Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_linux_restore.c    Tue Jun 06 09:48:17 2006 +0100
@@ -25,10 +25,10 @@ static unsigned long max_pfn;
 static unsigned long max_pfn;
 
 /* Live mapping of the table mapping each PFN to its current MFN. */
-static unsigned long *live_p2m = NULL;
+static xen_pfn_t *live_p2m = NULL;
 
 /* A table mapping each PFN to its new MFN. */
-static unsigned long *p2m = NULL;
+static xen_pfn_t *p2m = NULL;
 
 
 static ssize_t
@@ -126,7 +126,7 @@ int xc_linux_restore(int xc_handle, int 
     unsigned long *pfn_type = NULL;
 
     /* A table of MFNs to map in the current region */
-    unsigned long *region_mfn = NULL;
+    xen_pfn_t *region_mfn = NULL;
 
     /* Types of the pfns in the current region */
     unsigned long region_pfn_type[MAX_BATCH_SIZE];
@@ -135,7 +135,7 @@ int xc_linux_restore(int xc_handle, int 
     unsigned long *page = NULL;
 
     /* A copy of the pfn-to-mfn table frame list. */
-    unsigned long *p2m_frame_list = NULL;
+    xen_pfn_t *p2m_frame_list = NULL;
 
     /* A temporary mapping of the guest's start_info page. */
     start_info_t *start_info;
@@ -241,9 +241,9 @@ int xc_linux_restore(int xc_handle, int 
     }
 
     /* We want zeroed memory so use calloc rather than malloc. */
-    p2m        = calloc(max_pfn, sizeof(unsigned long));
+    p2m        = calloc(max_pfn, sizeof(xen_pfn_t));
     pfn_type   = calloc(max_pfn, sizeof(unsigned long));
-    region_mfn = calloc(MAX_BATCH_SIZE, sizeof(unsigned long));
+    region_mfn = calloc(MAX_BATCH_SIZE, sizeof(xen_pfn_t));
 
     if ((p2m == NULL) || (pfn_type == NULL) || (region_mfn == NULL)) {
         ERR("memory alloc failed");
@@ -251,7 +251,7 @@ int xc_linux_restore(int xc_handle, int 
         goto out;
     }
 
-    if (mlock(region_mfn, sizeof(unsigned long) * MAX_BATCH_SIZE)) {
+    if (mlock(region_mfn, sizeof(xen_pfn_t) * MAX_BATCH_SIZE)) {
         ERR("Could not mlock region_mfn");
         goto out;
     }
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_linux_save.c
--- a/tools/libxc/xc_linux_save.c       Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_linux_save.c       Tue Jun 06 09:48:17 2006 +0100
@@ -40,10 +40,10 @@ static unsigned long max_pfn;
 static unsigned long max_pfn;
 
 /* Live mapping of the table mapping each PFN to its current MFN. */
-static unsigned long *live_p2m = NULL;
+static xen_pfn_t *live_p2m = NULL;
 
 /* Live mapping of system MFN to PFN table. */
-static unsigned long *live_m2p = NULL;
+static xen_pfn_t *live_m2p = NULL;
 
 /* grep fodder: machine_to_phys */
 
@@ -501,22 +501,22 @@ void canonicalize_pagetable(unsigned lon
 
 
 
-static unsigned long *xc_map_m2p(int xc_handle,
+static xen_pfn_t *xc_map_m2p(int xc_handle,
                                  unsigned long max_mfn,
                                  int prot)
 {
     struct xen_machphys_mfn_list xmml;
     privcmd_mmap_entry_t *entries;
     unsigned long m2p_chunks, m2p_size;
-    unsigned long *m2p;
-    unsigned long *extent_start;
+    xen_pfn_t *m2p;
+    xen_pfn_t *extent_start;
     int i, rc;
 
     m2p_size   = M2P_SIZE(max_mfn);
     m2p_chunks = M2P_CHUNKS(max_mfn);
 
     xmml.max_extents = m2p_chunks;
-    if (!(extent_start = malloc(m2p_chunks * sizeof(unsigned long)))) {
+    if (!(extent_start = malloc(m2p_chunks * sizeof(xen_pfn_t)))) {
         ERR("failed to allocate space for m2p mfns");
         return NULL;
     }
@@ -583,11 +583,11 @@ int xc_linux_save(int xc_handle, int io_
     char page[PAGE_SIZE];
 
     /* Double and single indirect references to the live P2M table */
-    unsigned long *live_p2m_frame_list_list = NULL;
-    unsigned long *live_p2m_frame_list = NULL;
+    xen_pfn_t *live_p2m_frame_list_list = NULL;
+    xen_pfn_t *live_p2m_frame_list = NULL;
 
     /* A copy of the pfn-to-mfn table frame list. */
-    unsigned long *p2m_frame_list = NULL;
+    xen_pfn_t *p2m_frame_list = NULL;
 
     /* Live mapping of shared info structure */
     shared_info_t *live_shinfo = NULL;
@@ -712,11 +712,11 @@ int xc_linux_save(int xc_handle, int io_
     memcpy(p2m_frame_list, live_p2m_frame_list, P2M_FL_SIZE);
 
     /* Canonicalise the pfn-to-mfn table frame-number list. */
-    for (i = 0; i < max_pfn; i += ulpp) {
-        if (!translate_mfn_to_pfn(&p2m_frame_list[i/ulpp])) {
+    for (i = 0; i < max_pfn; i += fpp) {
+        if (!translate_mfn_to_pfn(&p2m_frame_list[i/fpp])) {
             ERR("Frame# in pfn-to-mfn frame list is not in pseudophys");
-            ERR("entry %d: p2m_frame_list[%ld] is 0x%lx", i, i/ulpp,
-                p2m_frame_list[i/ulpp]);
+            ERR("entry %d: p2m_frame_list[%ld] is 0x%"PRIx64, i, i/fpp,
+                (uint64_t)p2m_frame_list[i/fpp]);
             goto out;
         }
     }
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_load_aout9.c
--- a/tools/libxc/xc_load_aout9.c       Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_load_aout9.c       Tue Jun 06 09:48:17 2006 +0100
@@ -17,7 +17,7 @@
 #define KOFFSET(_p)       ((_p)&~KZERO)
 
 static int parseaout9image(const char *, unsigned long, struct 
domain_setup_info *);
-static int loadaout9image(const char *, unsigned long, int, uint32_t, unsigned 
long *, struct domain_setup_info *);
+static int loadaout9image(const char *, unsigned long, int, uint32_t, 
xen_pfn_t *, struct domain_setup_info *);
 static void copyout(int, uint32_t, unsigned long *, unsigned long, const char 
*, int);
 struct Exec *get_header(const char *, unsigned long, struct Exec *);
 
@@ -79,7 +79,7 @@ loadaout9image(
     const char *image,
     unsigned long image_size,
     int xch, uint32_t dom,
-    unsigned long *parray,
+    xen_pfn_t *parray,
     struct domain_setup_info *dsi)
 {
     struct Exec ehdr;
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_load_bin.c
--- a/tools/libxc/xc_load_bin.c Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_load_bin.c Tue Jun 06 09:48:17 2006 +0100
@@ -107,7 +107,7 @@ static int
 static int
 loadbinimage(
     const char *image, unsigned long image_size, int xch, uint32_t dom,
-    unsigned long *parray, struct domain_setup_info *dsi);
+    xen_pfn_t *parray, struct domain_setup_info *dsi);
 
 int probe_bin(const char *image,
               unsigned long image_size,
@@ -235,7 +235,7 @@ static int
 static int
 loadbinimage(
     const char *image, unsigned long image_size, int xch, uint32_t dom,
-    unsigned long *parray, struct domain_setup_info *dsi)
+    xen_pfn_t *parray, struct domain_setup_info *dsi)
 {
     unsigned long size;
     char         *va;
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_load_elf.c
--- a/tools/libxc/xc_load_elf.c Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_load_elf.c Tue Jun 06 09:48:17 2006 +0100
@@ -16,10 +16,10 @@ static int
 static int
 loadelfimage(
     const char *image, unsigned long image_size, int xch, uint32_t dom,
-    unsigned long *parray, struct domain_setup_info *dsi);
+    xen_pfn_t *parray, struct domain_setup_info *dsi);
 static int
 loadelfsymtab(
-    const char *image, int xch, uint32_t dom, unsigned long *parray,
+    const char *image, int xch, uint32_t dom, xen_pfn_t *parray,
     struct domain_setup_info *dsi);
 
 int probe_elf(const char *image,
@@ -211,7 +211,7 @@ static int
 static int
 loadelfimage(
     const char *image, unsigned long elfsize, int xch, uint32_t dom,
-    unsigned long *parray, struct domain_setup_info *dsi)
+    xen_pfn_t *parray, struct domain_setup_info *dsi)
 {
     Elf_Ehdr *ehdr = (Elf_Ehdr *)image;
     Elf_Phdr *phdr;
@@ -265,7 +265,7 @@ loadelfimage(
 
 static int
 loadelfsymtab(
-    const char *image, int xch, uint32_t dom, unsigned long *parray,
+    const char *image, int xch, uint32_t dom, xen_pfn_t *parray,
     struct domain_setup_info *dsi)
 {
     Elf_Ehdr *ehdr = (Elf_Ehdr *)image, *sym_ehdr;
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xc_private.c
--- a/tools/libxc/xc_private.c  Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xc_private.c  Tue Jun 06 09:48:17 2006 +0100
@@ -4,6 +4,7 @@
  * Helper functions for the rest of the library.
  */
 
+#include <inttypes.h>
 #include "xc_private.h"
 
 /* NB: arr must be mlock'ed */
@@ -134,9 +135,9 @@ int xc_memory_op(int xc_handle,
     struct xen_memory_reservation *reservation = arg;
     struct xen_machphys_mfn_list *xmml = arg;
     struct xen_translate_gpfn_list *trans = arg;
-    unsigned long *extent_start;
-    unsigned long *gpfn_list;
-    unsigned long *mfn_list;
+    xen_pfn_t *extent_start;
+    xen_pfn_t *gpfn_list;
+    xen_pfn_t *mfn_list;
     long ret = -EINVAL;
 
     hypercall.op     = __HYPERVISOR_memory_op;
@@ -156,7 +157,7 @@ int xc_memory_op(int xc_handle,
         get_xen_guest_handle(extent_start, reservation->extent_start);
         if ( (extent_start != NULL) &&
              (mlock(extent_start,
-                    reservation->nr_extents * sizeof(unsigned long)) != 0) )
+                    reservation->nr_extents * sizeof(xen_pfn_t)) != 0) )
         {
             PERROR("Could not mlock");
             safe_munlock(reservation, sizeof(*reservation));
@@ -171,7 +172,7 @@ int xc_memory_op(int xc_handle,
         }
         get_xen_guest_handle(extent_start, xmml->extent_start);
         if ( mlock(extent_start,
-                   xmml->max_extents * sizeof(unsigned long)) != 0 )
+                   xmml->max_extents * sizeof(xen_pfn_t)) != 0 )
         {
             PERROR("Could not mlock");
             safe_munlock(xmml, sizeof(*xmml));
@@ -192,17 +193,17 @@ int xc_memory_op(int xc_handle,
             goto out1;
         }
         get_xen_guest_handle(gpfn_list, trans->gpfn_list);
-        if ( mlock(gpfn_list, trans->nr_gpfns * sizeof(long)) != 0 )
+        if ( mlock(gpfn_list, trans->nr_gpfns * sizeof(xen_pfn_t)) != 0 )
         {
             PERROR("Could not mlock");
             safe_munlock(trans, sizeof(*trans));
             goto out1;
         }
         get_xen_guest_handle(mfn_list, trans->mfn_list);
-        if ( mlock(mfn_list, trans->nr_gpfns * sizeof(long)) != 0 )
-        {
-            PERROR("Could not mlock");
-            safe_munlock(gpfn_list, trans->nr_gpfns * sizeof(long));
+        if ( mlock(mfn_list, trans->nr_gpfns * sizeof(xen_pfn_t)) != 0 )
+        {
+            PERROR("Could not mlock");
+            safe_munlock(gpfn_list, trans->nr_gpfns * sizeof(xen_pfn_t));
             safe_munlock(trans, sizeof(*trans));
             goto out1;
         }
@@ -220,22 +221,22 @@ int xc_memory_op(int xc_handle,
         get_xen_guest_handle(extent_start, reservation->extent_start);
         if ( extent_start != NULL )
             safe_munlock(extent_start,
-                         reservation->nr_extents * sizeof(unsigned long));
+                         reservation->nr_extents * sizeof(xen_pfn_t));
         break;
     case XENMEM_machphys_mfn_list:
         safe_munlock(xmml, sizeof(*xmml));
         get_xen_guest_handle(extent_start, xmml->extent_start);
         safe_munlock(extent_start,
-                     xmml->max_extents * sizeof(unsigned long));
+                     xmml->max_extents * sizeof(xen_pfn_t));
         break;
     case XENMEM_add_to_physmap:
         safe_munlock(arg, sizeof(struct xen_add_to_physmap));
         break;
     case XENMEM_translate_gpfn_list:
             get_xen_guest_handle(mfn_list, trans->mfn_list);
-            safe_munlock(mfn_list, trans->nr_gpfns * sizeof(long));
+            safe_munlock(mfn_list, trans->nr_gpfns * sizeof(xen_pfn_t));
             get_xen_guest_handle(gpfn_list, trans->gpfn_list);
-            safe_munlock(gpfn_list, trans->nr_gpfns * sizeof(long));
+            safe_munlock(gpfn_list, trans->nr_gpfns * sizeof(xen_pfn_t));
             safe_munlock(trans, sizeof(*trans));
         break;
     }
@@ -263,7 +264,7 @@ long long xc_domain_get_cpu_usage( int x
 
 int xc_get_pfn_list(int xc_handle,
                     uint32_t domid,
-                    unsigned long *pfn_buf,
+                    xen_pfn_t *pfn_buf,
                     unsigned long max_pfns)
 {
     DECLARE_DOM0_OP;
@@ -274,10 +275,10 @@ int xc_get_pfn_list(int xc_handle,
     set_xen_guest_handle(op.u.getmemlist.buffer, pfn_buf);
 
 #ifdef VALGRIND
-    memset(pfn_buf, 0, max_pfns * sizeof(unsigned long));
+    memset(pfn_buf, 0, max_pfns * sizeof(xen_pfn_t));
 #endif
 
-    if ( mlock(pfn_buf, max_pfns * sizeof(unsigned long)) != 0 )
+    if ( mlock(pfn_buf, max_pfns * sizeof(xen_pfn_t)) != 0 )
     {
         PERROR("xc_get_pfn_list: pfn_buf mlock failed");
         return -1;
@@ -285,7 +286,7 @@ int xc_get_pfn_list(int xc_handle,
 
     ret = do_dom0_op(xc_handle, &op);
 
-    safe_munlock(pfn_buf, max_pfns * sizeof(unsigned long));
+    safe_munlock(pfn_buf, max_pfns * sizeof(xen_pfn_t));
 
 #if 0
 #ifdef DEBUG
@@ -364,7 +365,7 @@ unsigned long xc_get_filesz(int fd)
 }
 
 void xc_map_memcpy(unsigned long dst, const char *src, unsigned long size,
-                   int xch, uint32_t dom, unsigned long *parray,
+                   int xch, uint32_t dom, xen_pfn_t *parray,
                    unsigned long vstart)
 {
     char *va;
@@ -433,10 +434,11 @@ unsigned long xc_make_page_below_4G(
 unsigned long xc_make_page_below_4G(
     int xc_handle, uint32_t domid, unsigned long mfn)
 {
-    unsigned long new_mfn;
+    xen_pfn_t old_mfn = mfn;
+    xen_pfn_t new_mfn;
 
     if ( xc_domain_memory_decrease_reservation(
-        xc_handle, domid, 1, 0, &mfn) != 0 )
+        xc_handle, domid, 1, 0, &old_mfn) != 0 )
     {
         fprintf(stderr,"xc_make_page_below_4G decrease failed. mfn=%lx\n",mfn);
         return 0;
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h     Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xenctrl.h     Tue Jun 06 09:48:17 2006 +0100
@@ -415,26 +415,26 @@ int xc_domain_memory_increase_reservatio
                                           unsigned long nr_extents,
                                           unsigned int extent_order,
                                           unsigned int address_bits,
-                                          unsigned long *extent_start);
+                                          xen_pfn_t *extent_start);
 
 int xc_domain_memory_decrease_reservation(int xc_handle,
                                           uint32_t domid,
                                           unsigned long nr_extents,
                                           unsigned int extent_order,
-                                          unsigned long *extent_start);
+                                          xen_pfn_t *extent_start);
 
 int xc_domain_memory_populate_physmap(int xc_handle,
                                       uint32_t domid,
                                       unsigned long nr_extents,
                                       unsigned int extent_order,
                                       unsigned int address_bits,
-                                      unsigned long *extent_start);
+                                      xen_pfn_t *extent_start);
 
 int xc_domain_translate_gpfn_list(int xc_handle,
                                   uint32_t domid,
                                   unsigned long nr_gpfns,
-                                  unsigned long *gpfn_list,
-                                  unsigned long *mfn_list);
+                                  xen_pfn_t *gpfn_list,
+                                  xen_pfn_t *mfn_list);
 
 int xc_domain_ioport_permission(int xc_handle,
                                 uint32_t domid,
@@ -487,7 +487,7 @@ void *xc_map_foreign_range(int xc_handle
                             unsigned long mfn );
 
 void *xc_map_foreign_batch(int xc_handle, uint32_t dom, int prot,
-                           unsigned long *arr, int num );
+                           xen_pfn_t *arr, int num );
 
 /**
  * Translates a virtual address in the context of a given domain and
@@ -502,11 +502,11 @@ unsigned long xc_translate_foreign_addre
 unsigned long xc_translate_foreign_address(int xc_handle, uint32_t dom,
                                            int vcpu, unsigned long long virt);
 
-int xc_get_pfn_list(int xc_handle, uint32_t domid, unsigned long *pfn_buf,
+int xc_get_pfn_list(int xc_handle, uint32_t domid, xen_pfn_t *pfn_buf,
                     unsigned long max_pfns);
 
 int xc_ia64_get_pfn_list(int xc_handle, uint32_t domid,
-                         unsigned long *pfn_buf,
+                         xen_pfn_t *pfn_buf,
                          unsigned int start_page, unsigned int nr_pages);
 
 int xc_copy_to_domain_page(int xc_handle, uint32_t domid,
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xg_private.h
--- a/tools/libxc/xg_private.h  Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xg_private.h  Tue Jun 06 09:48:17 2006 +0100
@@ -173,7 +173,7 @@ typedef int (*parseimagefunc)(const char
                               struct domain_setup_info *dsi);
 typedef int (*loadimagefunc)(const char *image, unsigned long image_size,
                              int xch,
-                             uint32_t dom, unsigned long *parray,
+                             uint32_t dom, xen_pfn_t *parray,
                              struct domain_setup_info *dsi);
 
 struct load_funcs
@@ -201,7 +201,7 @@ unsigned long xc_get_filesz(int fd);
 unsigned long xc_get_filesz(int fd);
 
 void xc_map_memcpy(unsigned long dst, const char *src, unsigned long size,
-                   int xch, uint32_t dom, unsigned long *parray,
+                   int xch, uint32_t dom, xen_pfn_t *parray,
                    unsigned long vstart);
 
 int pin_table(int xc_handle, unsigned int type, unsigned long mfn,
diff -r 3913a119477d -r b3d901ba705d tools/libxc/xg_save_restore.h
--- a/tools/libxc/xg_save_restore.h     Tue Jun 06 08:21:31 2006 +0100
+++ b/tools/libxc/xg_save_restore.h     Tue Jun 06 09:48:17 2006 +0100
@@ -105,23 +105,23 @@ static int get_platform_info(int xc_hand
 */
 #define M2P_SHIFT       L2_PAGETABLE_SHIFT_PAE
 #define M2P_CHUNK_SIZE  (1 << M2P_SHIFT)
-#define M2P_SIZE(_m)    ROUNDUP(((_m) * sizeof(unsigned long)), M2P_SHIFT)
+#define M2P_SIZE(_m)    ROUNDUP(((_m) * sizeof(xen_pfn_t)), M2P_SHIFT)
 #define M2P_CHUNKS(_m)  (M2P_SIZE((_m)) >> M2P_SHIFT)
 
 /* Size in bytes of the P2M (rounded up to the nearest PAGE_SIZE bytes) */
-#define P2M_SIZE        ROUNDUP((max_pfn * sizeof(unsigned long)), PAGE_SHIFT)
+#define P2M_SIZE        ROUNDUP((max_pfn * sizeof(xen_pfn_t)), PAGE_SHIFT)
 
-/* Number of unsigned longs in a page */
-#define ulpp            (PAGE_SIZE/sizeof(unsigned long))
+/* Number of xen_pfn_t in a page */
+#define fpp             (PAGE_SIZE/sizeof(xen_pfn_t))
 
 /* Number of entries in the pfn_to_mfn_frame_list */
-#define P2M_FL_ENTRIES  (((max_pfn)+ulpp-1)/ulpp)
+#define P2M_FL_ENTRIES  (((max_pfn)+fpp-1)/fpp)
 
 /* Size in bytes of the pfn_to_mfn_frame_list     */
 #define P2M_FL_SIZE     ((P2M_FL_ENTRIES)*sizeof(unsigned long))
 
 /* Number of entries in the pfn_to_mfn_frame_list_list */
-#define P2M_FLL_ENTRIES (((max_pfn)+(ulpp*ulpp)-1)/(ulpp*ulpp))
+#define P2M_FLL_ENTRIES (((max_pfn)+(fpp*fpp)-1)/(fpp*fpp))
 
 /* Current guests allow 8MB 'slack' in their P2M */
 #define NR_SLACK_ENTRIES   ((8 * 1024 * 1024) / PAGE_SIZE)
diff -r 3913a119477d -r b3d901ba705d xen/common/memory.c
--- a/xen/common/memory.c       Tue Jun 06 08:21:31 2006 +0100
+++ b/xen/common/memory.c       Tue Jun 06 09:48:17 2006 +0100
@@ -31,14 +31,15 @@ static long
 static long
 increase_reservation(
     struct domain *d, 
-    XEN_GUEST_HANDLE(ulong) extent_list,
+    XEN_GUEST_HANDLE(xen_pfn_t) extent_list,
     unsigned int   nr_extents,
     unsigned int   extent_order,
     unsigned int   flags,
     int           *preempted)
 {
     struct page_info *page;
-    unsigned long     i, mfn;
+    unsigned long i;
+    xen_pfn_t mfn;
 
     if ( !guest_handle_is_null(extent_list) &&
          !guest_handle_okay(extent_list, nr_extents) )
@@ -80,14 +81,16 @@ static long
 static long
 populate_physmap(
     struct domain *d, 
-    XEN_GUEST_HANDLE(ulong) extent_list,
+    XEN_GUEST_HANDLE(xen_pfn_t) extent_list,
     unsigned int  nr_extents,
     unsigned int  extent_order,
     unsigned int  flags,
     int          *preempted)
 {
     struct page_info *page;
-    unsigned long    i, j, gpfn, mfn;
+    unsigned long i, j;
+    xen_pfn_t gpfn;
+    xen_pfn_t mfn;
 
     if ( !guest_handle_okay(extent_list, nr_extents) )
         return 0;
@@ -177,13 +180,14 @@ static long
 static long
 decrease_reservation(
     struct domain *d,
-    XEN_GUEST_HANDLE(ulong) extent_list,
+    XEN_GUEST_HANDLE(xen_pfn_t) extent_list,
     unsigned int   nr_extents,
     unsigned int   extent_order,
     unsigned int   flags,
     int           *preempted)
 {
-    unsigned long    i, j, gmfn;
+    unsigned long i, j;
+    xen_pfn_t gmfn;
 
     if ( !guest_handle_okay(extent_list, nr_extents) )
         return 0;
@@ -214,7 +218,9 @@ translate_gpfn_list(
     XEN_GUEST_HANDLE(xen_translate_gpfn_list_t) uop, unsigned long *progress)
 {
     struct xen_translate_gpfn_list op;
-    unsigned long i, gpfn, mfn;
+    unsigned long i;
+    xen_pfn_t gpfn;
+    xen_pfn_t mfn;
     struct domain *d;
 
     if ( copy_from_guest(&op, uop, 1) )
diff -r 3913a119477d -r b3d901ba705d xen/include/public/arch-ia64.h
--- a/xen/include/public/arch-ia64.h    Tue Jun 06 08:21:31 2006 +0100
+++ b/xen/include/public/arch-ia64.h    Tue Jun 06 09:48:17 2006 +0100
@@ -26,6 +26,9 @@ DEFINE_XEN_GUEST_HANDLE(int);
 DEFINE_XEN_GUEST_HANDLE(int);
 DEFINE_XEN_GUEST_HANDLE(long);
 DEFINE_XEN_GUEST_HANDLE(void);
+
+typedef unsigned long xen_pfn_t;
+DEFINE_XEN_GUEST_HANDLE(xen_pfn_t);
 #endif
 
 /* Arch specific VIRQs definition */
diff -r 3913a119477d -r b3d901ba705d xen/include/public/arch-x86_32.h
--- a/xen/include/public/arch-x86_32.h  Tue Jun 06 08:21:31 2006 +0100
+++ b/xen/include/public/arch-x86_32.h  Tue Jun 06 09:48:17 2006 +0100
@@ -28,6 +28,9 @@ DEFINE_XEN_GUEST_HANDLE(int);
 DEFINE_XEN_GUEST_HANDLE(int);
 DEFINE_XEN_GUEST_HANDLE(long);
 DEFINE_XEN_GUEST_HANDLE(void);
+
+typedef unsigned long xen_pfn_t;
+DEFINE_XEN_GUEST_HANDLE(xen_pfn_t);
 #endif
 
 /*
@@ -177,7 +180,7 @@ struct arch_shared_info {
 struct arch_shared_info {
     unsigned long max_pfn;                  /* max pfn that appears in table */
     /* Frame containing list of mfns containing list of mfns containing p2m. */
-    unsigned long pfn_to_mfn_frame_list_list;
+    xen_pfn_t     pfn_to_mfn_frame_list_list;
     unsigned long nmi_reason;
 };
 typedef struct arch_shared_info arch_shared_info_t;
diff -r 3913a119477d -r b3d901ba705d xen/include/public/arch-x86_64.h
--- a/xen/include/public/arch-x86_64.h  Tue Jun 06 08:21:31 2006 +0100
+++ b/xen/include/public/arch-x86_64.h  Tue Jun 06 09:48:17 2006 +0100
@@ -28,6 +28,9 @@ DEFINE_XEN_GUEST_HANDLE(int);
 DEFINE_XEN_GUEST_HANDLE(int);
 DEFINE_XEN_GUEST_HANDLE(long);
 DEFINE_XEN_GUEST_HANDLE(void);
+
+typedef unsigned long xen_pfn_t;
+DEFINE_XEN_GUEST_HANDLE(xen_pfn_t);
 #endif
 
 /*
@@ -250,7 +253,7 @@ struct arch_shared_info {
 struct arch_shared_info {
     unsigned long max_pfn;                  /* max pfn that appears in table */
     /* Frame containing list of mfns containing list of mfns containing p2m. */
-    unsigned long pfn_to_mfn_frame_list_list;
+    xen_pfn_t     pfn_to_mfn_frame_list_list;
     unsigned long nmi_reason;
 };
 typedef struct arch_shared_info arch_shared_info_t;
diff -r 3913a119477d -r b3d901ba705d xen/include/public/dom0_ops.h
--- a/xen/include/public/dom0_ops.h     Tue Jun 06 08:21:31 2006 +0100
+++ b/xen/include/public/dom0_ops.h     Tue Jun 06 09:48:17 2006 +0100
@@ -28,7 +28,7 @@ struct dom0_getmemlist {
     /* IN variables. */
     domid_t       domain;
     unsigned long max_pfns;
-    XEN_GUEST_HANDLE(ulong) buffer;
+    XEN_GUEST_HANDLE(xen_pfn_t) buffer;
     /* OUT variables. */
     unsigned long num_pfns;
 };
@@ -98,7 +98,7 @@ struct dom0_getdomaininfo {
     uint32_t flags;
     unsigned long tot_pages;
     unsigned long max_pages;
-    unsigned long shared_info_frame;       /* MFN of shared_info struct */
+    xen_pfn_t shared_info_frame;  /* MFN of shared_info struct */
     uint64_t cpu_time;
     uint32_t nr_online_vcpus;     /* Number of VCPUs currently online. */
     uint32_t max_vcpu_id;         /* Maximum VCPUID in use by this domain. */
@@ -162,7 +162,7 @@ DEFINE_XEN_GUEST_HANDLE(dom0_settime_t);
 
 struct dom0_getpageframeinfo {
     /* IN variables. */
-    unsigned long mfn;     /* Machine page frame number to query.       */
+    xen_pfn_t mfn;         /* Machine page frame number to query.       */
     domid_t domain;        /* To which domain does the frame belong?    */
     /* OUT variables. */
     /* Is the page PINNED to a type? */
@@ -213,7 +213,7 @@ struct dom0_tbufcontrol {
     cpumap_t      cpu_mask;
     uint32_t      evt_mask;
     /* OUT variables */
-    unsigned long buffer_mfn;
+    xen_pfn_t buffer_mfn;
     uint32_t size;
 };
 typedef struct dom0_tbufcontrol dom0_tbufcontrol_t;
@@ -313,7 +313,7 @@ DEFINE_XEN_GUEST_HANDLE(dom0_getpagefram
 #define DOM0_ADD_MEMTYPE         31
 struct dom0_add_memtype {
     /* IN variables. */
-    unsigned long mfn;
+    xen_pfn_t mfn;
     unsigned long nr_mfns;
     uint32_t      type;
     /* OUT variables. */
@@ -345,7 +345,7 @@ struct dom0_read_memtype {
     /* IN variables. */
     uint32_t reg;
     /* OUT variables. */
-    unsigned long mfn;
+    xen_pfn_t mfn;
     unsigned long nr_mfns;
     uint32_t type;
 };
@@ -499,7 +499,7 @@ DEFINE_XEN_GUEST_HANDLE(dom0_irq_permiss
 #define DOM0_IOMEM_PERMISSION 47
 struct dom0_iomem_permission {
     domid_t  domain;          /* domain to be affected */
-    unsigned long first_mfn;  /* first page (physical page number) in range */
+    xen_pfn_t first_mfn;      /* first page (physical page number) in range */
     unsigned long nr_mfns;    /* number of pages in range (>0) */
     uint8_t allow_access;     /* allow (!0) or deny (0) access to range? */
 };
@@ -509,7 +509,7 @@ DEFINE_XEN_GUEST_HANDLE(dom0_iomem_permi
 #define DOM0_HYPERCALL_INIT   48
 struct dom0_hypercall_init {
     domid_t  domain;          /* domain to be affected */
-    unsigned long mfn;        /* machine frame to be initialised */
+    xen_pfn_t mfn;            /* machine frame to be initialised */
 };
 typedef struct dom0_hypercall_init dom0_hypercall_init_t;
 DEFINE_XEN_GUEST_HANDLE(dom0_hypercall_init_t);
diff -r 3913a119477d -r b3d901ba705d xen/include/public/grant_table.h
--- a/xen/include/public/grant_table.h  Tue Jun 06 08:21:31 2006 +0100
+++ b/xen/include/public/grant_table.h  Tue Jun 06 09:48:17 2006 +0100
@@ -240,7 +240,7 @@ DEFINE_XEN_GUEST_HANDLE(gnttab_dump_tabl
 #define GNTTABOP_transfer                4
 struct gnttab_transfer {
     /* IN parameters. */
-    unsigned long mfn;
+    xen_pfn_t     mfn;
     domid_t       domid;
     grant_ref_t   ref;
     /* OUT parameters. */
diff -r 3913a119477d -r b3d901ba705d xen/include/public/memory.h
--- a/xen/include/public/memory.h       Tue Jun 06 08:21:31 2006 +0100
+++ b/xen/include/public/memory.h       Tue Jun 06 09:48:17 2006 +0100
@@ -29,7 +29,7 @@ struct xen_memory_reservation {
      *   OUT: GMFN bases of extents that were allocated
      *   (NB. This command also updates the mach_to_phys translation table)
      */
-    XEN_GUEST_HANDLE(ulong) extent_start;
+    XEN_GUEST_HANDLE(xen_pfn_t) extent_start;
 
     /* Number of extents, and size/alignment of each (2^extent_order pages). */
     unsigned long  nr_extents;
@@ -87,7 +87,7 @@ struct xen_machphys_mfn_list {
      * any large discontiguities in the machine address space, 2MB gaps in
      * the machphys table will be represented by an MFN base of zero.
      */
-    XEN_GUEST_HANDLE(ulong) extent_start;
+    XEN_GUEST_HANDLE(xen_pfn_t) extent_start;
 
     /*
      * Number of extents written to the above array. This will be smaller
@@ -117,7 +117,7 @@ struct xen_add_to_physmap {
     unsigned long idx;
 
     /* GPFN where the source mapping page should appear. */
-    unsigned long gpfn;
+    xen_pfn_t     gpfn;
 };
 typedef struct xen_add_to_physmap xen_add_to_physmap_t;
 DEFINE_XEN_GUEST_HANDLE(xen_add_to_physmap_t);
@@ -135,13 +135,13 @@ struct xen_translate_gpfn_list {
     unsigned long nr_gpfns;
 
     /* List of GPFNs to translate. */
-    XEN_GUEST_HANDLE(ulong) gpfn_list;
+    XEN_GUEST_HANDLE(xen_pfn_t) gpfn_list;
 
     /*
      * Output list to contain MFN translations. May be the same as the input
      * list (in which case each input GPFN is overwritten with the output MFN).
      */
-    XEN_GUEST_HANDLE(ulong) mfn_list;
+    XEN_GUEST_HANDLE(xen_pfn_t) mfn_list;
 };
 typedef struct xen_translate_gpfn_list xen_translate_gpfn_list_t;
 DEFINE_XEN_GUEST_HANDLE(xen_translate_gpfn_list_t);
diff -r 3913a119477d -r b3d901ba705d xen/include/public/xen.h
--- a/xen/include/public/xen.h  Tue Jun 06 08:21:31 2006 +0100
+++ b/xen/include/public/xen.h  Tue Jun 06 09:48:17 2006 +0100
@@ -197,7 +197,7 @@ 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;
@@ -457,9 +457,9 @@ 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. */
-    unsigned long console_mfn;  /* MACHINE address of console page.       */
+    xen_pfn_t console_mfn;      /* MACHINE page number of console page.   */
     uint32_t console_evtchn;    /* Event channel for console messages.    */
     /* THE FOLLOWING ARE ONLY FILLED IN ON INITIAL BOOT (NOT RESUME).     */
     unsigned long pt_base;      /* VIRTUAL address of page directory.     */

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