int remoteproc_resource_deinit(struct remote_proc *rproc) {
int i = 0;
struct proc_vring *vring_hw = 0;
if (rproc) {
if (rproc->rdev) {
/* disable IPC interrupts */
if (rproc->proc->ops->reg_ipi_after_deinit) {
for(i = 0; i < 2; i++) {
vring_hw = &rproc->proc->vdev.vring_info[i];
rproc->proc->ops->reg_ipi_after_deinit(vring_hw);
}
}
rpmsg_deinit(rproc->rdev);
}
if (rproc->proc) {
hil_delete_proc(rproc->proc);
}
env_free_memory(rproc);
}
env_deinit();
/* Disable the caches - This is required if master boots firmwares
* multiple times without hard reset on same core. If caches are
* not invalidated at this point in time then subsequent firmware
* boots on the same core may experience cache inconsistencies.
*
*/
env_disable_cache();
return RPROC_SUCCESS;
}
int rpmsg_init(int dev_id, struct remote_device **rdev,
rpmsg_chnl_cb_t channel_created,
rpmsg_chnl_cb_t channel_destroyed,
rpmsg_rx_cb_t default_cb, int role) {
int status;
/* Initialize IPC environment */
status = env_init();
if (status == RPMSG_SUCCESS) {
/* Initialize the remote device for given cpu id */
status = rpmsg_rdev_init(rdev, dev_id, role, channel_created,
channel_destroyed, default_cb);
if (status == RPMSG_SUCCESS) {
/* Kick off IPC with the remote device */
status = rpmsg_start_ipc(*rdev);
}
}
/* Deinit system in case of error */
if (status != RPMSG_SUCCESS) {
rpmsg_deinit(*rdev);
}
return status;
}
/**
* remoteproc_shutdown
*
* This function shutdowns the remote execution context
*
* @param rproc - pointer to remote proc instance to shutdown
*
* @param returns - status of function execution
*/
int remoteproc_shutdown(struct remote_proc *rproc) {
if (rproc) {
if (rproc->rdev) {
rpmsg_deinit(rproc->rdev);
rproc->rdev = RPROC_NULL;
}
if (rproc->proc) {
hil_shutdown_cpu(rproc->proc);
}
}
return RPROC_SUCCESS;
}
