/**
********************************************************************************
* @func memcfg_module_deinit_shared_region
* @brief This function performs de-initialization of shared regions.
*
* This functions removes the sharedRegions added by the MemCfg module
* and also unmaps the corresponding physical memory from usr space.
*
* @param[in ] None : None
*
* @returns MEMCFG_E_FAIL
* MEMCFG_S_SUCCESS
********************************************************************************
*/
static int32_t memcfg_module_deinit_shared_region (void)
{
int32_t srStatus = SharedRegion_S_SUCCESS;
int32_t i;
int32_t memcfg_retval = MEMCFG_S_SUCCESS;
for (i = 0; i < MEMCFG_sharedRegionConfigTable.nNumSharedRegions; i++)
{
if (MEMCFG_module->bSrAddEntryDone[i])
{
srStatus =
SharedRegion_clearEntry (MEMCFG_sharedRegionConfigTable.aSRInfo[i].
uIndex);
if (SharedRegion_S_SUCCESS == srStatus)
{
DomxCore_unmapPhyAddr (MEMCFG_sharedRegionConfigTable.aSRInfo[i].uBase,
MEMCFG_sharedRegionConfigTable.aSRInfo[i].uSize);
MEMCFG_module->bSrAddEntryDone[i] = FALSE;
}
else
{
memcfg_retval = MEMCFG_E_FAIL;
}
}
}
return memcfg_retval;
}
/**
* Handler for shared region clear entry API.
*
* \param ctp Thread's associated context information.
* \param msg The actual devctl() message.
* \param ocb OCB associated with client's session.
*
* \return POSIX errno value.
*
* \retval EOK Success.
* \retval ENOTSUP Unsupported devctl().
*/
int syslink_sharedregion_clearentry(resmgr_context_t *ctp, io_devctl_t *msg, syslink_ocb_t *ocb) {
SharedRegionDrv_CmdArgs * cargs = (SharedRegionDrv_CmdArgs *) (_DEVCTL_DATA (msg->i));
SharedRegionDrv_CmdArgs * out = (SharedRegionDrv_CmdArgs *) (_DEVCTL_DATA (msg->o));
out->apiStatus = SharedRegion_clearEntry (cargs->args.clearEntry.id);
if (out->apiStatus >= 0) {
/* Add this call to the list to be cleaned-up */
add_ocb_res(ocb, DCMD_SHAREDREGION_CLEARENTRY, (int)cargs->args.clearEntry.id, NULL);
}
return (_RESMGR_PTR (ctp, &msg->o, sizeof (msg->o) + sizeof(SharedRegionDrv_CmdArgs)));
}
