/*
* ======== cmm_destroy ========
* Purpose:
* Release the communication memory manager resources.
*/
int cmm_destroy(struct cmm_object *hcmm_mgr, bool bForce)
{
struct cmm_object *cmm_mgr_obj = (struct cmm_object *)hcmm_mgr;
struct cmm_info temp_info;
int status = 0;
s32 slot_seg;
struct cmm_mnode *pnode;
DBC_REQUIRE(refs > 0);
if (!hcmm_mgr) {
status = -EFAULT;
return status;
}
mutex_lock(&cmm_mgr_obj->cmm_lock);
/* If not force then fail if outstanding allocations exist */
if (!bForce) {
/* Check for outstanding memory allocations */
status = cmm_get_info(hcmm_mgr, &temp_info);
if (DSP_SUCCEEDED(status)) {
if (temp_info.ul_total_in_use_cnt > 0) {
/* outstanding allocations */
status = -EPERM;
}
}
}
if (DSP_SUCCEEDED(status)) {
/* UnRegister SM allocator */
for (slot_seg = 0; slot_seg < CMM_MAXGPPSEGS; slot_seg++) {
if (cmm_mgr_obj->pa_gppsm_seg_tab[slot_seg] != NULL) {
un_register_gppsm_seg
(cmm_mgr_obj->pa_gppsm_seg_tab[slot_seg]);
/* Set slot to NULL for future reuse */
cmm_mgr_obj->pa_gppsm_seg_tab[slot_seg] = NULL;
}
}
}
if (cmm_mgr_obj->node_free_list_head != NULL) {
/* Free the free nodes */
while (!LST_IS_EMPTY(cmm_mgr_obj->node_free_list_head)) {
pnode = (struct cmm_mnode *)
lst_get_head(cmm_mgr_obj->node_free_list_head);
kfree(pnode);
}
/* delete NodeFreeList list */
kfree(cmm_mgr_obj->node_free_list_head);
}
mutex_unlock(&cmm_mgr_obj->cmm_lock);
if (DSP_SUCCEEDED(status)) {
/* delete CS & cmm mgr object */
mutex_destroy(&cmm_mgr_obj->cmm_lock);
kfree(cmm_mgr_obj);
}
return status;
}
u32 cmmwrap_get_info(union trapped_args *args, void *pr_ctxt)
{
int status = 0;
struct cmm_info cmm_info_obj;
status = cmm_get_info(args->args_cmm_getinfo.cmm_mgr, &cmm_info_obj);
CP_TO_USR(args->args_cmm_getinfo.cmm_info_obj, &cmm_info_obj, status,
1);
return status;
}
