@@ -513,6 +513,33 @@ static inline bool page_type_to_populate(uint32_t type)
}
}
+static inline bool page_type_has_stream_data(uint32_t type)
+{
+ switch ( type )
+ {
+ case XEN_DOMCTL_PFINFO_NOTAB:
+
+ case XEN_DOMCTL_PFINFO_L1TAB:
+ case XEN_DOMCTL_PFINFO_L1TAB | XEN_DOMCTL_PFINFO_LPINTAB:
+
+ case XEN_DOMCTL_PFINFO_L2TAB:
+ case XEN_DOMCTL_PFINFO_L2TAB | XEN_DOMCTL_PFINFO_LPINTAB:
+
+ case XEN_DOMCTL_PFINFO_L3TAB:
+ case XEN_DOMCTL_PFINFO_L3TAB | XEN_DOMCTL_PFINFO_LPINTAB:
+
+ case XEN_DOMCTL_PFINFO_L4TAB:
+ case XEN_DOMCTL_PFINFO_L4TAB | XEN_DOMCTL_PFINFO_LPINTAB:
+ return true;
+
+ case XEN_DOMCTL_PFINFO_XTAB:
+ case XEN_DOMCTL_PFINFO_BROKEN:
+ case XEN_DOMCTL_PFINFO_XALLOC:
+ default:
+ return false;
+ }
+}
+
#endif
/*
* Local variables:
@@ -231,25 +231,8 @@ static int process_page_data(struct xc_sr_context *ctx, unsigned int count,
{
ctx->restore.ops.set_page_type(ctx, pfns[i], types[i]);
- switch ( types[i] )
- {
- case XEN_DOMCTL_PFINFO_NOTAB:
-
- case XEN_DOMCTL_PFINFO_L1TAB:
- case XEN_DOMCTL_PFINFO_L1TAB | XEN_DOMCTL_PFINFO_LPINTAB:
-
- case XEN_DOMCTL_PFINFO_L2TAB:
- case XEN_DOMCTL_PFINFO_L2TAB | XEN_DOMCTL_PFINFO_LPINTAB:
-
- case XEN_DOMCTL_PFINFO_L3TAB:
- case XEN_DOMCTL_PFINFO_L3TAB | XEN_DOMCTL_PFINFO_LPINTAB:
-
- case XEN_DOMCTL_PFINFO_L4TAB:
- case XEN_DOMCTL_PFINFO_L4TAB | XEN_DOMCTL_PFINFO_LPINTAB:
-
+ if ( page_type_has_stream_data(types[i]) )
mfns[nr_pages++] = ctx->restore.ops.pfn_to_gfn(ctx, pfns[i]);
- break;
- }
}
/* Nothing to do? */
@@ -269,14 +252,8 @@ static int process_page_data(struct xc_sr_context *ctx, unsigned int count,
for ( i = 0, j = 0; i < count; ++i )
{
- switch ( types[i] )
- {
- case XEN_DOMCTL_PFINFO_XTAB:
- case XEN_DOMCTL_PFINFO_BROKEN:
- case XEN_DOMCTL_PFINFO_XALLOC:
- /* No page data to deal with. */
+ if ( !page_type_has_stream_data(types[i]) )
continue;
- }
if ( map_errs[j] )
{
@@ -411,7 +388,7 @@ static int handle_page_data(struct xc_sr_context *ctx, struct xc_sr_record *rec)
goto err;
}
- if ( type < XEN_DOMCTL_PFINFO_BROKEN )
+ if ( page_type_has_stream_data(type) )
/* NOTAB and all L1 through L4 tables (including pinned) should
* have a page worth of data in the record. */
pages_of_data++;
@@ -153,13 +153,8 @@ static int write_batch(struct xc_sr_context *ctx)
goto err;
}
- switch ( types[i] )
- {
- case XEN_DOMCTL_PFINFO_BROKEN:
- case XEN_DOMCTL_PFINFO_XALLOC:
- case XEN_DOMCTL_PFINFO_XTAB:
+ if ( !page_type_has_stream_data(types[i]) )
continue;
- }
mfns[nr_pages++] = mfns[i];
}
@@ -177,13 +172,8 @@ static int write_batch(struct xc_sr_context *ctx)
for ( i = 0, p = 0; i < nr_pfns; ++i )
{
- switch ( types[i] )
- {
- case XEN_DOMCTL_PFINFO_BROKEN:
- case XEN_DOMCTL_PFINFO_XALLOC:
- case XEN_DOMCTL_PFINFO_XTAB:
+ if ( !page_type_has_stream_data(types[i]) )
continue;
- }
if ( errors[p] )
{