Add device rebuild feature

[mirror_zfs.git] / include / sys / fs / zfs.h

diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h
index 575a4af51439c955701c4732d0f169a3c7b06303..1bfd7a485abe410e928069cb9b25954fd7f13039 100644 (file)
--- a/include/sys/fs/zfs.h
+++ b/include/sys/fs/zfs.h
@@ -704,6 +704,7 @@ typedef struct zpool_load_policy {
 #define        ZPOOL_CONFIG_SPLIT_LIST         "guid_list"
 #define        ZPOOL_CONFIG_REMOVING           "removing"
 #define        ZPOOL_CONFIG_RESILVER_TXG       "resilver_txg"
+#define        ZPOOL_CONFIG_REBUILD_TXG        "rebuild_txg"
 #define        ZPOOL_CONFIG_COMMENT            "comment"
 #define        ZPOOL_CONFIG_SUSPENDED          "suspended"     /* not stored on disk */
 #define        ZPOOL_CONFIG_SUSPENDED_REASON   "suspended_reason"      /* not stored */
@@ -730,6 +731,7 @@ typedef struct zpool_load_policy {
 #define        ZPOOL_CONFIG_MMP_HOSTID         "mmp_hostid"    /* not stored on disk */
 #define        ZPOOL_CONFIG_ALLOCATION_BIAS    "alloc_bias"    /* not stored on disk */
 #define        ZPOOL_CONFIG_EXPANSION_TIME     "expansion_time"        /* not stored */
+#define        ZPOOL_CONFIG_REBUILD_STATS      "org.openzfs:rebuild_stats"
 
 /*
  * The persistent vdev state is stored as separate values rather than a single
@@ -778,6 +780,9 @@ typedef struct zpool_load_policy {
 #define        VDEV_TOP_ZAP_MS_UNFLUSHED_PHYS_TXGS \
        "com.delphix:ms_unflushed_phys_txgs"
 
+#define        VDEV_TOP_ZAP_VDEV_REBUILD_PHYS \
+       "org.openzfs:vdev_rebuild"
+
 #define        VDEV_TOP_ZAP_ALLOCATION_BIAS \
        "org.zfsonlinux:allocation_bias"
 
@@ -991,6 +996,21 @@ typedef enum dsl_scan_state {
        DSS_NUM_STATES
 } dsl_scan_state_t;
 
+typedef struct vdev_rebuild_stat {
+       uint64_t vrs_state;             /* vdev_rebuild_state_t */
+       uint64_t vrs_start_time;        /* time_t */
+       uint64_t vrs_end_time;          /* time_t */
+       uint64_t vrs_scan_time_ms;      /* total run time (millisecs) */
+       uint64_t vrs_bytes_scanned;     /* allocated bytes scanned */
+       uint64_t vrs_bytes_issued;      /* read bytes issued */
+       uint64_t vrs_bytes_rebuilt;     /* rebuilt bytes */
+       uint64_t vrs_bytes_est;         /* total bytes to scan */
+       uint64_t vrs_errors;            /* scanning errors */
+       uint64_t vrs_pass_time_ms;      /* pass run time (millisecs) */
+       uint64_t vrs_pass_bytes_scanned; /* bytes scanned since start/resume */
+       uint64_t vrs_pass_bytes_issued; /* bytes rebuilt since start/resume */
+} vdev_rebuild_stat_t;
+
 /*
  * Errata described by https://zfsonlinux.org/msg/ZFS-8000-ER.  The ordering
  * of this enum must be maintained to ensure the errata identifiers map to
@@ -1047,6 +1067,7 @@ typedef struct vdev_stat {
        uint64_t        vs_trim_bytes_est;      /* total bytes to trim */
        uint64_t        vs_trim_state;          /* vdev_trim_state_t */
        uint64_t        vs_trim_action_time;    /* time_t */
+       uint64_t        vs_rebuild_processed;   /* bytes rebuilt */
 } vdev_stat_t;
 
 /*
@@ -1178,6 +1199,13 @@ typedef enum {
        VDEV_TRIM_COMPLETE,
 } vdev_trim_state_t;
 
+typedef enum {
+       VDEV_REBUILD_NONE,
+       VDEV_REBUILD_ACTIVE,
+       VDEV_REBUILD_CANCELED,
+       VDEV_REBUILD_COMPLETE,
+} vdev_rebuild_state_t;
+
 /*
  * nvlist name constants. Facilitate restricting snapshot iteration range for
  * the "list next snapshot" ioctl
@@ -1337,6 +1365,8 @@ typedef enum {
        ZFS_ERR_BOOKMARK_SOURCE_NOT_ANCESTOR,
        ZFS_ERR_STREAM_TRUNCATED,
        ZFS_ERR_STREAM_LARGE_BLOCK_MISMATCH,
+       ZFS_ERR_RESILVER_IN_PROGRESS,
+       ZFS_ERR_REBUILD_IN_PROGRESS,
 } zfs_errno_t;
 
 /*
@@ -1478,7 +1508,12 @@ typedef enum {
  * given payloads:
  *
  *     ESC_ZFS_RESILVER_START
- *     ESC_ZFS_RESILVER_END
+ *     ESC_ZFS_RESILVER_FINISH
+ *
+ *             ZFS_EV_POOL_NAME        DATA_TYPE_STRING
+ *             ZFS_EV_POOL_GUID        DATA_TYPE_UINT64
+ *             ZFS_EV_RESILVER_TYPE    DATA_TYPE_STRING
+ *
  *     ESC_ZFS_POOL_DESTROY
  *     ESC_ZFS_POOL_REGUID
  *
@@ -1532,6 +1567,7 @@ typedef enum {
 #define        ZFS_EV_HIST_IOCTL       "history_ioctl"
 #define        ZFS_EV_HIST_DSNAME      "history_dsname"
 #define        ZFS_EV_HIST_DSID        "history_dsid"
+#define        ZFS_EV_RESILVER_TYPE    "resilver_type"
 
 #ifdef __cplusplus
 }