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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#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_FEATURE_OPERATIONS (1ULL<<8)
#define RBD_FEATURE_MIGRATING (1ULL<<9)
#define RBD_FEATURE_NON_PRIMARY (1ULL<<10)
#define RBD_FEATURE_DIRTY_CACHE (1ULL<<11)
#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"
#define RBD_FEATURE_NAME_OPERATIONS "operations"
#define RBD_FEATURE_NAME_MIGRATING "migrating"
#define RBD_FEATURE_NAME_NON_PRIMARY "non-primary"
#define RBD_FEATURE_NAME_DIRTY_CACHE "dirty-cache"
/// 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 | \
RBD_FEATURE_DIRTY_CACHE)
/// 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 | \
RBD_FEATURE_OPERATIONS | \
RBD_FEATURE_MIGRATING | \
RBD_FEATURE_NON_PRIMARY)
#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 | \
RBD_FEATURE_OPERATIONS | \
RBD_FEATURE_MIGRATING | \
RBD_FEATURE_NON_PRIMARY | \
RBD_FEATURE_DIRTY_CACHE)
/// 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 | \
RBD_FEATURE_NON_PRIMARY | \
RBD_FEATURE_DIRTY_CACHE)
#define RBD_FEATURES_MUTABLE_INTERNAL (RBD_FEATURE_NON_PRIMARY | \
RBD_FEATURE_DIRTY_CACHE)
/// 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 | \
RBD_FEATURE_DIRTY_CACHE)
/// features that will be implicitly enabled
#define RBD_FEATURES_IMPLICIT_ENABLE (RBD_FEATURE_STRIPINGV2 | \
RBD_FEATURE_DATA_POOL | \
RBD_FEATURE_FAST_DIFF | \
RBD_FEATURE_OPERATIONS | \
RBD_FEATURE_MIGRATING | \
RBD_FEATURE_NON_PRIMARY | \
RBD_FEATURE_DIRTY_CACHE)
/// features that cannot be controlled by the user
#define RBD_FEATURES_INTERNAL (RBD_FEATURE_OPERATIONS | \
RBD_FEATURE_MIGRATING)
#define RBD_OPERATION_FEATURE_CLONE_PARENT (1ULL<<0)
#define RBD_OPERATION_FEATURE_CLONE_CHILD (1ULL<<1)
#define RBD_OPERATION_FEATURE_GROUP (1ULL<<2)
#define RBD_OPERATION_FEATURE_SNAP_TRASH (1ULL<<3)
#define RBD_OPERATION_FEATURE_NAME_CLONE_PARENT "clone-parent"
#define RBD_OPERATION_FEATURE_NAME_CLONE_CHILD "clone-child"
#define RBD_OPERATION_FEATURE_NAME_GROUP "group"
#define RBD_OPERATION_FEATURE_NAME_SNAP_TRASH "snap-trash"
/// all valid operation features
#define RBD_OPERATION_FEATURES_ALL (RBD_OPERATION_FEATURE_CLONE_PARENT | \
RBD_OPERATION_FEATURE_CLONE_CHILD | \
RBD_OPERATION_FEATURE_GROUP | \
RBD_OPERATION_FEATURE_SNAP_TRASH)
#endif
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