hifn_base_command
struct hifn_base_command wc;
*(struct hifn_base_command *)dma->command_bufs[cmdi] = wc;
struct hifn_base_command rc;
*(struct hifn_base_command *)dma->command_bufs[cmdi] = rc;
struct hifn_base_command *base_cmd;
base_cmd = (struct hifn_base_command *)buf_pos;
buf_pos += sizeof(struct hifn_base_command);