ipi_id
uint32_t ipi_id;
uint32_t ipi_id;
uint32_t ipi_id;
msg.ipi_id = IPI_MDP;
msg.ipi_id = IPI_MDP;
err = vpu_ipi_send(vpu->pdev, (enum ipi_id)id, msg, len);
enum ipi_id id, ipi_handler_t handler,
enum ipi_id id, void *buf,
enum ipi_id id, void *buf,
int vpu_ipi_register(struct platform_device *pdev, enum ipi_id id,