+/**
+ * pmcraid_set_timestamp - set the timestamp to IOAFP
+ *
+ * @cmd: pointer to pmcraid_cmd structure
+ *
+ * Return Value
+ * 0 for success or non-zero for failure cases
+ */
+static void pmcraid_set_timestamp(struct pmcraid_cmd *cmd)
+{
+ struct pmcraid_instance *pinstance = cmd->drv_inst;
+ struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb;
+ __be32 time_stamp_len = cpu_to_be32(PMCRAID_TIMESTAMP_LEN);
+ struct pmcraid_ioadl_desc *ioadl = ioarcb->add_data.u.ioadl;
+
+ struct timeval tv;
+ __le64 timestamp;
+
+ do_gettimeofday(&tv);
+ timestamp = tv.tv_sec * 1000;
+
+ pinstance->timestamp_data->timestamp[0] = (__u8)(timestamp);
+ pinstance->timestamp_data->timestamp[1] = (__u8)((timestamp) >> 8);
+ pinstance->timestamp_data->timestamp[2] = (__u8)((timestamp) >> 16);
+ pinstance->timestamp_data->timestamp[3] = (__u8)((timestamp) >> 24);
+ pinstance->timestamp_data->timestamp[4] = (__u8)((timestamp) >> 32);
+ pinstance->timestamp_data->timestamp[5] = (__u8)((timestamp) >> 40);
+
+ pmcraid_reinit_cmdblk(cmd);
+ ioarcb->request_type = REQ_TYPE_SCSI;
+ ioarcb->resource_handle = cpu_to_le32(PMCRAID_IOA_RES_HANDLE);
+ ioarcb->cdb[0] = PMCRAID_SCSI_SET_TIMESTAMP;
+ ioarcb->cdb[1] = PMCRAID_SCSI_SERVICE_ACTION;
+ memcpy(&(ioarcb->cdb[6]), &time_stamp_len, sizeof(time_stamp_len));
+
+ ioarcb->ioadl_bus_addr = cpu_to_le64((cmd->ioa_cb_bus_addr) +
+ offsetof(struct pmcraid_ioarcb,
+ add_data.u.ioadl[0]));
+ ioarcb->ioadl_length = cpu_to_le32(sizeof(struct pmcraid_ioadl_desc));
+ ioarcb->ioarcb_bus_addr &= ~(0x1FULL);
+
+ ioarcb->request_flags0 |= NO_LINK_DESCS;
+ ioarcb->request_flags0 |= TRANSFER_DIR_WRITE;
+ ioarcb->data_transfer_length =
+ cpu_to_le32(sizeof(struct pmcraid_timestamp_data));
+ ioadl = &(ioarcb->add_data.u.ioadl[0]);
+ ioadl->flags = IOADL_FLAGS_LAST_DESC;
+ ioadl->address = cpu_to_le64(pinstance->timestamp_data_baddr);
+ ioadl->data_len = cpu_to_le32(sizeof(struct pmcraid_timestamp_data));
+
+ if (!pinstance->timestamp_error) {
+ pinstance->timestamp_error = 0;
+ pmcraid_send_cmd(cmd, pmcraid_set_supported_devs,
+ PMCRAID_INTERNAL_TIMEOUT, pmcraid_timeout_handler);
+ } else {
+ pmcraid_send_cmd(cmd, pmcraid_return_cmd,
+ PMCRAID_INTERNAL_TIMEOUT, pmcraid_timeout_handler);
+ return;
+ }
+}
+
+