+ /*
+ * A supported features request returns immediately
+ * rather than going into state machine
+ */
+ if (upd_cmd == I40E_NVMUPD_FEATURES) {
+ if (cmd->data_size < hw->nvmupd_features.size) {
+ *perrno = -EFAULT;
+ return I40E_ERR_BUF_TOO_SHORT;
+ }
+
+ /*
+ * If buffer is bigger than i40e_nvmupd_features structure,
+ * make sure the trailing bytes are set to 0x0.
+ */
+ if (cmd->data_size > hw->nvmupd_features.size)
+ i40e_memset(bytes + hw->nvmupd_features.size, 0x0,
+ cmd->data_size - hw->nvmupd_features.size,
+ I40E_NONDMA_MEM);
+
+ i40e_memcpy(bytes, &hw->nvmupd_features,
+ hw->nvmupd_features.size, I40E_NONDMA_MEM);
+
+ return I40E_SUCCESS;
+ }
+