# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Date 1169100791 -32400
# Node ID c2db94de4afc030170609d7d9de6daf334b17182
# Parent 280d35294b8968b262c37df4d01712e0af288451
libxc:add xc_domain_set_memmap(), xc_domain_get_memmap() which is corresponding
to XENMEM_set_memory_map and XENMEM_get_memory_map.
dump-core needs those functions.
PATCHNAME: libxc_memory_map
Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
diff -r 280d35294b89 -r c2db94de4afc tools/libxc/xc_domain.c
--- a/tools/libxc/xc_domain.c Tue Jan 16 15:40:39 2007 +0900
+++ b/tools/libxc/xc_domain.c Thu Jan 18 15:13:11 2007 +0900
@@ -351,10 +351,93 @@ int xc_domain_set_memmap_limit(int xc_ha
unlock_pages(&e820, sizeof(e820));
return rc;
}
+
+int xc_domain_set_memmap(int xc_handle,
+ uint32_t domid,
+ void *buffer,
+ unsigned int nr_entries)
+{
+ int rc;
+
+ struct xen_foreign_memory_map fmap = {
+ .domid = domid,
+ .map = { .nr_entries = nr_entries }
+ };
+
+ set_xen_guest_handle(fmap.map.buffer, buffer);
+
+ if ( lock_pages(&fmap, sizeof(fmap)) ||
+ lock_pages(buffer, nr_entries * sizeof(struct e820entry)) )
+ {
+ PERROR("Could not lock memory for Xen hypercall");
+ rc = -1;
+ goto out;
+ }
+
+ rc = xc_memory_op(xc_handle, XENMEM_set_memory_map, &fmap);
+
+ out:
+ unlock_pages(&fmap, sizeof(fmap));
+ unlock_pages(buffer, nr_entries * sizeof(struct e820entry));
+ return rc;
+}
+
+int xc_domain_get_memmap(int xc_handle,
+ uint32_t domid,
+ void *buffer,
+ unsigned int *nr_entries)
+{
+ int rc;
+
+ struct xen_foreign_memory_map fmap = {
+ .domid = domid,
+ .map = { .nr_entries = *nr_entries }
+ };
+
+ set_xen_guest_handle(fmap.map.buffer, buffer);
+
+ if ( lock_pages(&fmap, sizeof(fmap)) ||
+ lock_pages(buffer, *nr_entries * sizeof(struct e820entry)) )
+ {
+ PERROR("Could not lock memory for Xen hypercall");
+ rc = -1;
+ goto out;
+ }
+
+ rc = xc_memory_op(xc_handle, XENMEM_get_memory_map, &fmap);
+
+ out:
+ unlock_pages(&fmap, sizeof(fmap));
+ unlock_pages(buffer, *nr_entries * sizeof(struct e820entry));
+
+ *nr_entries = fmap.map.nr_entries;
+ return rc;
+
+}
#else
int xc_domain_set_memmap_limit(int xc_handle,
uint32_t domid,
unsigned long map_limitkb)
+{
+ PERROR("Function not implemented");
+ errno = ENOSYS;
+ return -1;
+}
+
+int xc_domain_set_memmap(int xc_handle,
+ uint32_t domid,
+ void *buffer,
+ unsigned int nr_entries)
+{
+ PERROR("Function not implemented");
+ errno = ENOSYS;
+ return -1;
+}
+
+int xc_domain_get_memmap(int xc_handle,
+ uint32_t domid,
+ void *buffer,
+ unsigned int nr_entries)
{
PERROR("Function not implemented");
errno = ENOSYS;
diff -r 280d35294b89 -r c2db94de4afc tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h Tue Jan 16 15:40:39 2007 +0900
+++ b/tools/libxc/xenctrl.h Thu Jan 18 15:13:11 2007 +0900
@@ -423,6 +423,16 @@ int xc_domain_set_memmap_limit(int xc_ha
uint32_t domid,
unsigned long map_limitkb);
+int xc_domain_set_memmap(int xc_handle,
+ uint32_t domid,
+ void *buffer,
+ unsigned int nr_entries);
+
+int xc_domain_get_memmap(int xc_handle,
+ uint32_t domid,
+ void *buffer,
+ unsigned int *nr_entries);
+
int xc_domain_set_time_offset(int xc_handle,
uint32_t domid,
int32_t time_offset_seconds);
--
yamahata
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