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-rw-r--r--include/hw/xen/xen_common.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h
index 2d5a25bf40..07731b9289 100644
--- a/include/hw/xen/xen_common.h
+++ b/include/hw/xen/xen_common.h
@@ -144,6 +144,13 @@ static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom,
{
return -ENOSYS;
}
+/* The followings are only to compile op_discard related code on older
+ * Xen releases. */
+#define BLKIF_OP_DISCARD 5
+struct blkif_request_discard {
+ uint64_t nr_sectors;
+ uint64_t sector_number;
+};
#else
static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom,
uint64_t addr, uint32_t data)