[Xen-devel] [PATCH 17/21] xen: xen_ulong_t substitution

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

There is still an unwanted unsigned long in the xen public interface:
replace it with xen_ulong_t.

Also typedef xen_ulong_t to uint64_t on ARM.

Changes in v2:

- do not replace the unsigned long in x86 specific calls;
- do not replace the unsigned long in multicall_entry;
- add missing include "xen.h" in version.h;
- use proper printf flag for xen_ulong_t.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Cc: keir@xxxxxxx
Cc: JBeulich@xxxxxxxx
---
 tools/python/xen/lowlevel/xc/xc.c |    2 +-
 xen/include/public/arch-arm.h     |    3 ++-
 xen/include/public/version.h      |    4 +++-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/tools/python/xen/lowlevel/xc/xc.c 
b/tools/python/xen/lowlevel/xc/xc.c
index 7c89756..e220f68 100644
--- a/tools/python/xen/lowlevel/xc/xc.c
+++ b/tools/python/xen/lowlevel/xc/xc.c
@@ -1439,7 +1439,7 @@ static PyObject *pyxc_xeninfo(XcObject *self)
     if ( xc_version(self->xc_handle, XENVER_commandline, &xen_commandline) != 
0 )
         return pyxc_error_to_exception(self->xc_handle);
 
-    snprintf(str, sizeof(str), "virt_start=0x%lx", p_parms.virt_start);
+    snprintf(str, sizeof(str), "virt_start=0x%"PRI_xen_ulong, 
p_parms.virt_start);
 
     xen_pagesize = xc_version(self->xc_handle, XENVER_pagesize, NULL);
     if (xen_pagesize < 0 )
diff --git a/xen/include/public/arch-arm.h b/xen/include/public/arch-arm.h
index e3d4ad9..2ae6548 100644
--- a/xen/include/public/arch-arm.h
+++ b/xen/include/public/arch-arm.h
@@ -122,7 +122,8 @@ typedef uint64_t xen_pfn_t;
 /* Only one. All other VCPUS must use VCPUOP_register_vcpu_info */
 #define XEN_LEGACY_MAX_VCPUS 1
 
-typedef uint32_t xen_ulong_t;
+typedef uint64_t xen_ulong_t;
+#define PRI_xen_ulong PRIx64
 
 struct vcpu_guest_context {
 #define _VGCF_online                   0
diff --git a/xen/include/public/version.h b/xen/include/public/version.h
index 8742c2b..c7e6f8c 100644
--- a/xen/include/public/version.h
+++ b/xen/include/public/version.h
@@ -28,6 +28,8 @@
 #ifndef __XEN_PUBLIC_VERSION_H__
 #define __XEN_PUBLIC_VERSION_H__
 
+#include "xen.h"
+
 /* NB. All ops return zero on success, except XENVER_{version,pagesize} */
 
 /* arg == NULL; returns major:minor (16:16). */
@@ -58,7 +60,7 @@ typedef char xen_changeset_info_t[64];
 
 #define XENVER_platform_parameters 5
 struct xen_platform_parameters {
-    unsigned long virt_start;
+    xen_ulong_t virt_start;
 };
 typedef struct xen_platform_parameters xen_platform_parameters_t;
 
-- 
1.7.9.1


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