@@ -572,6 +572,44 @@ exit:
nvdimm_dsm_write_status(out, status);
}
+/*
+ * DSM Spec Rev1 4.6 Set Namespace Label Data (Function Index 6).
+ */
+static void nvdimm_dsm_func_set_label_data(NVDIMMDevice *nvdimm,
+ nvdimm_dsm_in *in, GArray *out)
+{
+ NVDIMMClass *nvc = NVDIMM_GET_CLASS(nvdimm);
+ nvdimm_func_in_set_label_data *set_label_data = &in->func_set_label_data;
+ uint32_t status;
+
+ le32_to_cpus(&set_label_data->offset);
+ le32_to_cpus(&set_label_data->length);
+
+ nvdimm_debug("Write Label Data: offset %#x length %#x.\n",
+ set_label_data->offset, set_label_data->length);
+
+ if (nvdimm->label_size < set_label_data->offset + set_label_data->length) {
+ nvdimm_debug("position %#x is beyond label data (len = %#lx).\n",
+ set_label_data->offset + set_label_data->length,
+ nvdimm->label_size);
+ status = NVDIMM_DSM_DEV_STATUS_INVALID_PARAS;
+ goto exit;
+ }
+
+ if (set_label_data->length > nvdimm_get_max_xfer_label_size()) {
+ nvdimm_debug("set length (%#x) is larger than max_xfer (%#x).\n",
+ set_label_data->length, nvdimm_get_max_xfer_label_size());
+ status = NVDIMM_DSM_DEV_STATUS_INVALID_PARAS;
+ goto exit;
+ }
+
+ status = NVDIMM_DSM_STATUS_SUCCESS;
+ nvc->write_label_data(nvdimm, set_label_data->in_buf,
+ set_label_data->length, set_label_data->offset);
+exit:
+ nvdimm_dsm_write_status(out, status);
+}
+
static void nvdimm_dsm_device(nvdimm_dsm_in *in, GArray *out)
{
GSList *list = nvdimm_get_plugged_device_list();
@@ -602,6 +640,9 @@ static void nvdimm_dsm_device(nvdimm_dsm_in *in, GArray *out)
case 0x5 /* Get Namespace Label Data */:
nvdimm_dsm_func_get_label_data(nvdimm, in, out);
goto free;
+ case 0x6 /* Set Namespace Label Data */:
+ nvdimm_dsm_func_set_label_data(nvdimm, in, out);
+ goto free;
default:
status = NVDIMM_DSM_STATUS_NOT_SUPPORTED;
};
Function 6 is used to set Namespace Label Data Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- hw/acpi/nvdimm.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+)