+int ustcomm_unpack_single_field(struct ustcomm_single_field *single_field)
+{
+ single_field->field = ustcomm_restore_ptr(single_field->field,
+ single_field->data,
+ sizeof(single_field->data));
+ if (!single_field->field) {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int ustcomm_pack_channel_info(struct ustcomm_header *header,
+ struct ustcomm_channel_info *ch_inf,
+ const char *trace,
+ const char *channel)
+{
+ int offset = 0;
+
+ ch_inf->trace = ustcomm_print_data(ch_inf->data,
+ sizeof(ch_inf->data),
+ &offset,
+ trace);
+
+ if (ch_inf->trace == USTCOMM_POISON_PTR) {
+ return -ENOMEM;
+ }
+
+ ch_inf->channel = ustcomm_print_data(ch_inf->data,
+ sizeof(ch_inf->data),
+ &offset,
+ channel);
+
+ if (ch_inf->channel == USTCOMM_POISON_PTR) {
+ return -ENOMEM;
+ }
+
+ header->size = COMPUTE_MSG_SIZE(ch_inf, offset);
+
+ return 0;
+}
+
+
+int ustcomm_unpack_channel_info(struct ustcomm_channel_info *ch_inf)
+{
+ ch_inf->trace = ustcomm_restore_ptr(ch_inf->trace,
+ ch_inf->data,
+ sizeof(ch_inf->data));
+ if (!ch_inf->trace) {
+ return -EINVAL;
+ }
+
+ ch_inf->channel = ustcomm_restore_ptr(ch_inf->channel,
+ ch_inf->data,
+ sizeof(ch_inf->data));
+ if (!ch_inf->channel) {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int ustcomm_pack_buffer_info(struct ustcomm_header *header,
+ struct ustcomm_buffer_info *buf_inf,
+ const char *trace,
+ const char *channel,
+ int channel_cpu)
+{
+ int offset = 0;
+
+ buf_inf->trace = ustcomm_print_data(buf_inf->data,
+ sizeof(buf_inf->data),
+ &offset,
+ trace);
+
+ if (buf_inf->trace == USTCOMM_POISON_PTR) {
+ return -ENOMEM;
+ }
+
+ buf_inf->channel = ustcomm_print_data(buf_inf->data,
+ sizeof(buf_inf->data),
+ &offset,
+ channel);
+
+ if (buf_inf->channel == USTCOMM_POISON_PTR) {
+ return -ENOMEM;
+ }
+
+ buf_inf->ch_cpu = channel_cpu;
+
+ header->size = COMPUTE_MSG_SIZE(buf_inf, offset);
+
+ return 0;
+}
+
+
+int ustcomm_unpack_buffer_info(struct ustcomm_buffer_info *buf_inf)
+{
+ buf_inf->trace = ustcomm_restore_ptr(buf_inf->trace,
+ buf_inf->data,
+ sizeof(buf_inf->data));
+ if (!buf_inf->trace) {
+ return -EINVAL;
+ }
+
+ buf_inf->channel = ustcomm_restore_ptr(buf_inf->channel,
+ buf_inf->data,
+ sizeof(buf_inf->data));
+ if (!buf_inf->channel) {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int ustcomm_pack_ust_marker_info(struct ustcomm_header *header,
+ struct ustcomm_ust_marker_info *ust_marker_inf,
+ const char *trace,
+ const char *channel,
+ const char *ust_marker)
+{
+ int offset = 0;
+
+ ust_marker_inf->trace = ustcomm_print_data(ust_marker_inf->data,
+ sizeof(ust_marker_inf->data),
+ &offset,
+ trace);
+
+ if (ust_marker_inf->trace == USTCOMM_POISON_PTR) {
+ return -ENOMEM;
+ }
+
+
+ ust_marker_inf->channel = ustcomm_print_data(ust_marker_inf->data,
+ sizeof(ust_marker_inf->data),
+ &offset,
+ channel);
+
+ if (ust_marker_inf->channel == USTCOMM_POISON_PTR) {
+ return -ENOMEM;
+ }
+
+
+ ust_marker_inf->ust_marker = ustcomm_print_data(ust_marker_inf->data,
+ sizeof(ust_marker_inf->data),
+ &offset,
+ ust_marker);
+
+ if (ust_marker_inf->ust_marker == USTCOMM_POISON_PTR) {
+ return -ENOMEM;
+ }
+
+ header->size = COMPUTE_MSG_SIZE(ust_marker_inf, offset);
+
+ return 0;