[Xen-devel] [PATCH 01 of 24] xen: define raw version of set_xen_guest_handle

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1283778426 -3600
# Node ID f3b0732b41af4dd3218e59dae6e0a005c323774f
# Parent  8848895e50ded4d37879bf63635f5774d9dc4959
xen: define raw version of set_xen_guest_handle

allows users to define more complex (e.g. type-safer) variations on
set_xen_guest_handle if they wish.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

diff -r 8848895e50de -r f3b0732b41af xen/include/public/arch-ia64.h
--- a/xen/include/public/arch-ia64.h    Mon Sep 06 14:07:06 2010 +0100
+++ b/xen/include/public/arch-ia64.h    Mon Sep 06 14:07:06 2010 +0100
@@ -49,10 +49,11 @@
 #define XEN_GUEST_HANDLE(name)          __guest_handle_ ## name
 #define XEN_GUEST_HANDLE_64(name)       XEN_GUEST_HANDLE(name)
 #define uint64_aligned_t                uint64_t
-#define set_xen_guest_handle(hnd, val)  do { (hnd).p = val; } while (0)
+#define set_xen_guest_handle_raw(hnd, val)  do { (hnd).p = val; } while (0)
 #ifdef __XEN_TOOLS__
 #define get_xen_guest_handle(val, hnd)  do { val = (hnd).p; } while (0)
 #endif
+#define set_xen_guest_handle(hnd, val) set_xen_guest_handle_raw(hnd, val)
 
 #ifndef __ASSEMBLY__
 typedef unsigned long xen_pfn_t;
diff -r 8848895e50de -r f3b0732b41af xen/include/public/arch-x86/xen-x86_32.h
--- a/xen/include/public/arch-x86/xen-x86_32.h  Mon Sep 06 14:07:06 2010 +0100
+++ b/xen/include/public/arch-x86/xen-x86_32.h  Mon Sep 06 14:07:06 2010 +0100
@@ -108,8 +108,8 @@
         __guest_handle_ ## name;                                \
     typedef struct { union { type *p; uint64_aligned_t q; }; }  \
         __guest_handle_64_ ## name
-#undef set_xen_guest_handle
-#define set_xen_guest_handle(hnd, val)                      \
+#undef set_xen_guest_handle_raw
+#define set_xen_guest_handle_raw(hnd, val)                  \
     do { if ( sizeof(hnd) == 8 ) *(uint64_t *)&(hnd) = 0;   \
          (hnd).p = val;                                     \
     } while ( 0 )
diff -r 8848895e50de -r f3b0732b41af xen/include/public/arch-x86/xen.h
--- a/xen/include/public/arch-x86/xen.h Mon Sep 06 14:07:06 2010 +0100
+++ b/xen/include/public/arch-x86/xen.h Mon Sep 06 14:07:06 2010 +0100
@@ -44,10 +44,11 @@
 #define DEFINE_XEN_GUEST_HANDLE(name)   __DEFINE_XEN_GUEST_HANDLE(name, name)
 #define __XEN_GUEST_HANDLE(name)        __guest_handle_ ## name
 #define XEN_GUEST_HANDLE(name)          __XEN_GUEST_HANDLE(name)
-#define set_xen_guest_handle(hnd, val)  do { (hnd).p = val; } while (0)
+#define set_xen_guest_handle_raw(hnd, val)  do { (hnd).p = val; } while (0)
 #ifdef __XEN_TOOLS__
 #define get_xen_guest_handle(val, hnd)  do { val = (hnd).p; } while (0)
 #endif
+#define set_xen_guest_handle(hnd, val) set_xen_guest_handle_raw(hnd, val)
 
 #if defined(__i386__)
 #include "xen-x86_32.h"

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel