X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=src%2Fceph%2Fsrc%2Finclude%2Frbd%2Ffeatures.h;fp=src%2Fceph%2Fsrc%2Finclude%2Frbd%2Ffeatures.h;h=efdcf0e8e6682663c38e3fcc7f8ef2d50e5c4c7c;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/include/rbd/features.h b/src/ceph/src/include/rbd/features.h
new file mode 100644
index 0000000..efdcf0e
--- /dev/null
+++ b/src/ceph/src/include/rbd/features.h
@@ -0,0 +1,67 @@
+#ifndef CEPH_RBD_FEATURES_H
+#define CEPH_RBD_FEATURES_H
+
+#define RBD_FEATURE_LAYERING		(1ULL<<0)
+#define RBD_FEATURE_STRIPINGV2		(1ULL<<1)
+#define RBD_FEATURE_EXCLUSIVE_LOCK	(1ULL<<2)
+#define RBD_FEATURE_OBJECT_MAP		(1ULL<<3)
+#define RBD_FEATURE_FAST_DIFF           (1ULL<<4)
+#define RBD_FEATURE_DEEP_FLATTEN        (1ULL<<5)
+#define RBD_FEATURE_JOURNALING          (1ULL<<6)
+#define RBD_FEATURE_DATA_POOL           (1ULL<<7)
+
+#define RBD_FEATURES_DEFAULT             (RBD_FEATURE_LAYERING | \
+                                         RBD_FEATURE_EXCLUSIVE_LOCK | \
+                                         RBD_FEATURE_OBJECT_MAP | \
+                                         RBD_FEATURE_FAST_DIFF | \
+                                         RBD_FEATURE_DEEP_FLATTEN)
+
+#define RBD_FEATURE_NAME_LAYERING        "layering"
+#define RBD_FEATURE_NAME_STRIPINGV2      "striping"
+#define RBD_FEATURE_NAME_EXCLUSIVE_LOCK  "exclusive-lock"
+#define RBD_FEATURE_NAME_OBJECT_MAP      "object-map"
+#define RBD_FEATURE_NAME_FAST_DIFF       "fast-diff"
+#define RBD_FEATURE_NAME_DEEP_FLATTEN    "deep-flatten"
+#define RBD_FEATURE_NAME_JOURNALING      "journaling"
+#define RBD_FEATURE_NAME_DATA_POOL       "data-pool"
+
+/// features that make an image inaccessible for read or write by
+/// clients that don't understand them
+#define RBD_FEATURES_INCOMPATIBLE 	(RBD_FEATURE_LAYERING       | \
+					 RBD_FEATURE_STRIPINGV2     | \
+                                         RBD_FEATURE_DATA_POOL)
+
+/// features that make an image unwritable by clients that don't understand them
+#define RBD_FEATURES_RW_INCOMPATIBLE	(RBD_FEATURES_INCOMPATIBLE  | \
+					 RBD_FEATURE_EXCLUSIVE_LOCK | \
+					 RBD_FEATURE_OBJECT_MAP     | \
+                                         RBD_FEATURE_FAST_DIFF      | \
+                                         RBD_FEATURE_DEEP_FLATTEN   | \
+                                         RBD_FEATURE_JOURNALING)
+
+#define RBD_FEATURES_ALL          	(RBD_FEATURE_LAYERING       | \
+					 RBD_FEATURE_STRIPINGV2     | \
+                                   	 RBD_FEATURE_EXCLUSIVE_LOCK | \
+                                         RBD_FEATURE_OBJECT_MAP     | \
+                                         RBD_FEATURE_FAST_DIFF      | \
+                                         RBD_FEATURE_DEEP_FLATTEN   | \
+                                         RBD_FEATURE_JOURNALING     | \
+                                         RBD_FEATURE_DATA_POOL)
+
+/// features that may be dynamically enabled or disabled
+#define RBD_FEATURES_MUTABLE            (RBD_FEATURE_EXCLUSIVE_LOCK | \
+                                         RBD_FEATURE_OBJECT_MAP     | \
+                                         RBD_FEATURE_FAST_DIFF      | \
+                                         RBD_FEATURE_JOURNALING)
+
+/// features that may be dynamically disabled
+#define RBD_FEATURES_DISABLE_ONLY       (RBD_FEATURE_DEEP_FLATTEN)
+
+/// features that only work when used with a single client
+/// using the image for writes
+#define RBD_FEATURES_SINGLE_CLIENT (RBD_FEATURE_EXCLUSIVE_LOCK | \
+                                    RBD_FEATURE_OBJECT_MAP     | \
+                                    RBD_FEATURE_FAST_DIFF      | \
+                                    RBD_FEATURE_JOURNALING)
+
+#endif