# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1261505887 0
# Node ID affb589507a7bea502ce7d0c8c3fa47ec9e4ff22
# Parent d30244049f7e10fd8b87b19eeace19a2e104b6a0
paging: Updates to public grant table header file.
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
xen/include/public/grant_table.h | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletion(-)
diff -r d30244049f7e -r affb589507a7 xen/include/public/grant_table.h
--- a/xen/include/public/grant_table.h Tue Dec 22 13:39:12 2009 +0000
+++ b/xen/include/public/grant_table.h Tue Dec 22 18:18:07 2009 +0000
@@ -392,6 +392,8 @@ DEFINE_XEN_GUEST_HANDLE(gnttab_transfer_
#define GNTCOPY_source_gref (1<<_GNTCOPY_source_gref)
#define _GNTCOPY_dest_gref (1)
#define GNTCOPY_dest_gref (1<<_GNTCOPY_dest_gref)
+#define _GNTCOPY_can_fail (2)
+#define GNTCOPY_can_fail (1<<_GNTCOPY_can_fail)
#define GNTTABOP_copy 5
typedef struct gnttab_copy {
@@ -539,6 +541,9 @@ DEFINE_XEN_GUEST_HANDLE(gnttab_get_versi
#define _GNTMAP_contains_pte (4)
#define GNTMAP_contains_pte (1<<_GNTMAP_contains_pte)
+#define _GNTMAP_can_fail (5)
+#define GNTMAP_can_fail (1<<_GNTMAP_can_fail)
+
/*
* Bits to be placed in guest kernel available PTE bits (architecture
* dependent; only supported when XENFEAT_gnttab_map_avail_bits is set).
@@ -561,6 +566,7 @@ DEFINE_XEN_GUEST_HANDLE(gnttab_get_versi
#define GNTST_bad_page (-9) /* Specified page was invalid for op. */
#define GNTST_bad_copy_arg (-10) /* copy arguments cross page boundary. */
#define GNTST_address_too_big (-11) /* transfer page address too large. */
+#define GNTST_eagain (-12) /* Could not map at the moment. Retry. */
#define GNTTABOP_error_msgs { \
"okay", \
@@ -574,7 +580,8 @@ DEFINE_XEN_GUEST_HANDLE(gnttab_get_versi
"permission denied", \
"bad page", \
"copy arguments cross page boundary", \
- "page address size too large" \
+ "page address size too large", \
+ "could not map at the moment, retry" \
}
#endif /* __XEN_PUBLIC_GRANT_TABLE_H__ */
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