831 	struct mailbox *mbox;  in rxtx_map_handler()  local
873 	mbox = spmc_get_mbox_desc(secure_origin);  in rxtx_map_handler()
875 	spin_lock(&mbox->lock);  in rxtx_map_handler()
878 	if (mbox->rx_buffer != 0 || mbox->tx_buffer != 0) {  in rxtx_map_handler()
880 		     (void *) mbox->rx_buffer, (void *)mbox->tx_buffer);  in rxtx_map_handler()
913 	mbox->tx_buffer = (void *) tx_address;  in rxtx_map_handler()
914 	mbox->rx_buffer = (void *) rx_address;  in rxtx_map_handler()
915 	mbox->rxtx_page_count = page_count;  in rxtx_map_handler()
916 	spin_unlock(&mbox->lock);  in rxtx_map_handler()
921 	spin_unlock(&mbox->lock);  in rxtx_map_handler()
935 	struct mailbox *mbox = spmc_get_mbox_desc(secure_origin);  in rxtx_unmap_handler()  local
936 	uint32_t buf_size = mbox->rxtx_page_count * FFA_PAGE_SIZE;  in rxtx_unmap_handler()
948 	spin_lock(&mbox->lock);  in rxtx_unmap_handler()
951 	if (mbox->rx_buffer == 0 || mbox->tx_buffer == 0) {  in rxtx_unmap_handler()
952 		spin_unlock(&mbox->lock);  in rxtx_unmap_handler()
958 	if (mmap_remove_dynamic_region((uintptr_t) mbox->rx_buffer,  in rxtx_unmap_handler()
963 	mbox->rx_buffer = 0;  in rxtx_unmap_handler()
966 	if (mmap_remove_dynamic_region((uintptr_t) mbox->tx_buffer,  in rxtx_unmap_handler()
971 	mbox->tx_buffer = 0;  in rxtx_unmap_handler()
972 	mbox->rxtx_page_count = 0;  in rxtx_unmap_handler()
974 	spin_unlock(&mbox->lock);  in rxtx_unmap_handler()
1126 					     struct mailbox *mbox,  in partition_info_populate_v1_0()  argument
1133 		(struct ffa_partition_info_v1_0 *) mbox->rx_buffer;  in partition_info_populate_v1_0()
1135 	buf_size = mbox->rxtx_page_count * FFA_PAGE_SIZE;  in partition_info_populate_v1_0()
1173 	struct mailbox *mbox;  in partition_info_get_handler()  local
1223 		mbox = spmc_get_mbox_desc(secure_origin);  in partition_info_get_handler()
1229 		spin_lock(&mbox->lock);  in partition_info_get_handler()
1230 		if (mbox->rx_buffer == NULL) {  in partition_info_get_handler()
1236 		if (mbox->state != MAILBOX_STATE_EMPTY) {  in partition_info_get_handler()
1242 		(void)memset(mbox->rx_buffer, 0,  in partition_info_get_handler()
1243 			     mbox->rxtx_page_count * FFA_PAGE_SIZE);  in partition_info_get_handler()
1252 							   mbox,  in partition_info_get_handler()
1258 			uint32_t buf_size = mbox->rxtx_page_count *  in partition_info_get_handler()
1267 			memcpy(mbox->rx_buffer, partitions,  in partition_info_get_handler()
1271 		mbox->state = MAILBOX_STATE_FULL;  in partition_info_get_handler()
1272 		spin_unlock(&mbox->lock);  in partition_info_get_handler()
1277 	spin_unlock(&mbox->lock);  in partition_info_get_handler()
1590 	struct mailbox *mbox = spmc_get_mbox_desc(secure_origin);  in rx_release_handler()  local
1592 	spin_lock(&mbox->lock);  in rx_release_handler()
1594 	if (mbox->state != MAILBOX_STATE_FULL) {  in rx_release_handler()
1595 		spin_unlock(&mbox->lock);  in rx_release_handler()
1599 	mbox->state = MAILBOX_STATE_EMPTY;  in rx_release_handler()
1600 	spin_unlock(&mbox->lock);  in rx_release_handler()