Introduce zpool_get_prop_literal interface

[zfs.git] / include / libzfs.h

diff --git a/include/libzfs.h b/include/libzfs.h
index e59350c..145b5a3 100644 (file)
--- a/include/libzfs.h
+++ b/include/libzfs.h
@@ -57,7 +57,7 @@ extern "C" {
 #define        DISK_ROOT               "/dev"
 #define        UDISK_ROOT              "/dev/disk"
 
-#define        DEFAULT_IMPORT_PATH_SIZE        8
+#define        DEFAULT_IMPORT_PATH_SIZE        7
 extern char *zpool_default_import_path[DEFAULT_IMPORT_PATH_SIZE];
 
 /*
@@ -212,6 +212,7 @@ extern void zpool_close(zpool_handle_t *);
 extern const char *zpool_get_name(zpool_handle_t *);
 extern int zpool_get_state(zpool_handle_t *);
 extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
+extern const char *zpool_pool_state_to_name(pool_state_t);
 extern void zpool_free_handles(libzfs_handle_t *);
 
 /*
@@ -271,6 +272,8 @@ extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *);
 extern int zpool_set_prop(zpool_handle_t *, const char *, const char *);
 extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
     size_t proplen, zprop_source_t *);
+extern int zpool_get_prop_literal(zpool_handle_t *, zpool_prop_t, char *,
+    size_t proplen, zprop_source_t *, boolean_t literal);
 extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
     zprop_source_t *);
 
@@ -301,6 +304,15 @@ typedef enum {
        ZPOOL_STATUS_BAD_LOG,           /* cannot read log chain(s) */
 
        /*
+        * If the pool has unsupported features but can still be opened in
+        * read-only mode, its status is ZPOOL_STATUS_UNSUP_FEAT_WRITE. If the
+        * pool has unsupported features but cannot be opened at all, its
+        * status is ZPOOL_STATUS_UNSUP_FEAT_READ.
+        */
+       ZPOOL_STATUS_UNSUP_FEAT_READ,   /* unsupported features for read */
+       ZPOOL_STATUS_UNSUP_FEAT_WRITE,  /* unsupported features for write */
+
+       /*
         * These faults have no corresponding message ID.  At the time we are
         * checking the status, the original reason for the FMA fault (I/O or
         * checksum errors) has been lost.
@@ -313,7 +325,8 @@ typedef enum {
         * requiring administrative attention.  There is no corresponding
         * message ID.
         */
-       ZPOOL_STATUS_VERSION_OLDER,     /* older on-disk version */
+       ZPOOL_STATUS_VERSION_OLDER,     /* older legacy on-disk version */
+       ZPOOL_STATUS_FEAT_DISABLED,     /* supported features are disabled */
        ZPOOL_STATUS_RESILVERING,       /* device being resilvered */
        ZPOOL_STATUS_OFFLINE_DEV,       /* device online */
        ZPOOL_STATUS_REMOVED_DEV,       /* removed device */
@@ -332,6 +345,7 @@ extern void zpool_dump_ddt(const ddt_stat_t *dds, const ddt_histogram_t *ddh);
  * Statistics and configuration functions.
  */
 extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **);
+extern nvlist_t *zpool_get_features(zpool_handle_t *);
 extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *);
 extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **);
 
@@ -344,6 +358,7 @@ extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *,
     char *altroot);
 extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *,
     nvlist_t *, int);
+extern void zpool_print_unsup_feat(nvlist_t *config);
 
 /*
  * Search for pools to import
@@ -435,6 +450,8 @@ extern int zfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname,
     uint64_t *propvalue);
 extern int zfs_prop_get_written(zfs_handle_t *zhp, const char *propname,
     char *propbuf, int proplen, boolean_t literal);
+extern int zfs_prop_get_feature(zfs_handle_t *zhp, const char *propname,
+    char *buf, size_t len);
 extern int zfs_get_snapused_int(zfs_handle_t *firstsnap, zfs_handle_t *lastsnap,
     uint64_t *usedp);
 extern uint64_t getprop_uint64(zfs_handle_t *, zfs_prop_t, char **);
@@ -462,10 +479,19 @@ extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
 #define        ZFS_MOUNTPOINT_NONE     "none"
 #define        ZFS_MOUNTPOINT_LEGACY   "legacy"
 
+#define        ZFS_FEATURE_DISABLED    "disabled"
+#define        ZFS_FEATURE_ENABLED     "enabled"
+#define        ZFS_FEATURE_ACTIVE      "active"
+
+#define        ZFS_UNSUPPORTED_INACTIVE        "inactive"
+#define        ZFS_UNSUPPORTED_READONLY        "readonly"
+
 /*
  * zpool property management
  */
 extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **);
+extern int zpool_prop_get_feature(zpool_handle_t *, const char *, char *,
+    size_t);
 extern const char *zpool_prop_default_string(zpool_prop_t);
 extern uint64_t zpool_prop_default_numeric(zpool_prop_t);
 extern const char *zpool_prop_column_name(zpool_prop_t);