void *buf;
 };
 
+#define ND_TRANSLATE_SPA_STATUS_INVALID_SPA  2
+
+/* nfit commands */
+enum nfit_cmd_num {
+       NFIT_CMD_TRANSLATE_SPA = 5,
+       NFIT_CMD_ARS_INJECT_SET = 7,
+       NFIT_CMD_ARS_INJECT_CLEAR = 8,
+       NFIT_CMD_ARS_INJECT_GET = 9,
+};
+
+struct nd_cmd_translate_spa {
+       __u64 spa;
+       __u32 status;
+       __u8  flags;
+       __u8  _reserved[3];
+       __u64 translate_length;
+       __u32 num_nvdimms;
+       struct nd_nvdimm_device {
+               __u32 nfit_device_handle;
+               __u32 _reserved;
+               __u64 dpa;
+       } __packed devices[0];
+
+} __packed;
+
+struct nd_cmd_ars_err_inj {
+       __u64 err_inj_spa_range_base;
+       __u64 err_inj_spa_range_length;
+       __u8  err_inj_options;
+       __u32 status;
+} __packed;
+
+struct nd_cmd_ars_err_inj_clr {
+       __u64 err_inj_clr_spa_range_base;
+       __u64 err_inj_clr_spa_range_length;
+       __u32 status;
+} __packed;
+
+struct nd_cmd_ars_err_inj_stat {
+       __u32 status;
+       __u32 inj_err_rec_count;
+       struct nd_error_stat_query_record {
+               __u64 err_inj_stat_spa_range_base;
+               __u64 err_inj_stat_spa_range_length;
+       } __packed record[0];
+} __packed;
+
 union acpi_object;
 typedef void *acpi_handle;