LU-16524 nodemap: add rbac property to nodemap

[fs/lustre-release.git] / lustre / include / uapi / linux / lustre / lustre_disk.h

diff --git a/lustre/include/uapi/linux/lustre/lustre_disk.h b/lustre/include/uapi/linux/lustre/lustre_disk.h
index 674abed..6a6f2e9 100644 (file)
--- a/lustre/include/uapi/linux/lustre/lustre_disk.h
+++ b/lustre/include/uapi/linux/lustre/lustre_disk.h
@@ -242,6 +242,97 @@ struct lsd_reply_header {
        __u8    lrh_pad[sizeof(struct lsd_reply_data_v1) - 12];
 };
 
+/****************** nodemap *********************/
+
+enum nodemap_idx_type {
+       NODEMAP_EMPTY_IDX = 0,          /* index created with blank record */
+       NODEMAP_CLUSTER_IDX = 1,        /* a nodemap cluster of nodes */
+       NODEMAP_RANGE_IDX = 2,          /* nid range assigned to a nm cluster */
+       NODEMAP_UIDMAP_IDX = 3,         /* uid map assigned to a nm cluster */
+       NODEMAP_GIDMAP_IDX = 4,         /* gid map assigned to a nm cluster */
+       NODEMAP_PROJIDMAP_IDX = 5,      /* projid map assigned to nm cluster */
+       NODEMAP_GLOBAL_IDX = 15,        /* stores nodemap activation status */
+};
+
+/* Nodemap records, uses 32 byte record length.
+ * New nodemap config records can be added into NODEMAP_CLUSTER_IDX
+ * with a new nk_cluster_subid value, as long as the records are
+ * kept at 32 bytes in size.  New global config records can be added
+ * into NODEMAP_GLOBAL_IDX with a new nk_global_subid.  This avoids
+ * breaking compatibility.  Do not change the record size.  If a
+ * new ID type or range is needed, a new IDX type should be used.
+ */
+struct nodemap_cluster_rec {
+       char                    ncr_name[LUSTRE_NODEMAP_NAME_LENGTH + 1];
+       enum nm_flag_bits       ncr_flags:8;
+       enum nm_flag2_bits      ncr_flags2:8;
+       __u8                    ncr_padding1;
+       __u32                   ncr_squash_projid;
+       __u32                   ncr_squash_uid;
+       __u32                   ncr_squash_gid;
+};
+
+/* lnet_nid_t is 8 bytes */
+struct nodemap_range_rec {
+       lnet_nid_t      nrr_start_nid;
+       lnet_nid_t      nrr_end_nid;
+       __u64           nrr_padding1;
+       __u64           nrr_padding2;
+};
+
+struct nodemap_id_rec {
+       __u32   nir_id_fs;
+       __u32   nir_padding1;
+       __u64   nir_padding2;
+       __u64   nir_padding3;
+       __u64   nir_padding4;
+};
+
+struct nodemap_global_rec {
+       __u8    ngr_is_active;
+       __u8    ngr_padding1;
+       __u16   ngr_padding2;
+       __u32   ngr_padding3;
+       __u64   ngr_padding4;
+       __u64   ngr_padding5;
+       __u64   ngr_padding6;
+};
+
+struct nodemap_cluster_roles_rec {
+       __u64 ncrr_roles;       /* enum nodemap_rbac_roles */
+       __u64 ncrr_unused1;
+       __u64 ncrr_unused2;
+       __u64 ncrr_unused3;
+};
+
+union nodemap_rec {
+       struct nodemap_cluster_rec ncr;
+       struct nodemap_range_rec nrr;
+       struct nodemap_id_rec nir;
+       struct nodemap_global_rec ngr;
+       struct nodemap_cluster_roles_rec ncrr;
+};
+
+/* sub-keys for records of type NODEMAP_CLUSTER_IDX */
+enum nodemap_cluster_rec_subid {
+       NODEMAP_CLUSTER_REC = 0,   /* nodemap_cluster_rec */
+       NODEMAP_CLUSTER_ROLES = 1, /* nodemap_cluster_roles_rec */
+};
+
+/* first 4 bits of the nodemap_id is the index type */
+struct nodemap_key {
+       __u32 nk_nodemap_id;
+       union {
+               __u32 nk_cluster_subid;
+               __u32 nk_range_id;
+               __u32 nk_id_client;
+               __u32 nk_unused;
+       };
+};
+
+#define NM_TYPE_MASK 0x0FFFFFFF
+#define NM_TYPE_SHIFT 28
+
 /** @} disk */
 
 #endif /* _UAPI_LUSTRE_DISK_H */