43 	struct msc_block_desc	*bdesc;  member
136 static inline bool msc_block_is_empty(struct msc_block_desc *bdesc)  in msc_block_is_empty()  argument
139 	if (!bdesc->valid_dw)  in msc_block_is_empty()
143 	if (!msc_data_sz(bdesc))  in msc_block_is_empty()
178 		if (msc_block_is_empty(win->block[0].bdesc))  in msc_oldest_window()
197 	struct msc_block_desc *bdesc = win->block[0].bdesc;  in msc_win_oldest_block()  local
200 	if (!msc_block_wrapped(bdesc))  in msc_win_oldest_block()
208 		bdesc = win->block[blk].bdesc;  in msc_win_oldest_block()
210 		if (msc_block_last_written(bdesc))  in msc_win_oldest_block()
244 	return iter->win->block[iter->block].bdesc;  in msc_iter_bdesc()
464 			struct msc_block_desc *bdesc = win->block[blk].bdesc;  in msc_buffer_clear_hw_header()  local
466 			memset(&bdesc->hw_tag, 0, hw_sz);  in msc_buffer_clear_hw_header()
697 		win->block[i].bdesc = dma_alloc_coherent(msc_dev(msc), size,  in msc_buffer_win_alloc()
703 		set_memory_uc((unsigned long)win->block[i].bdesc, 1);  in msc_buffer_win_alloc()
706 		if (!win->block[i].bdesc)  in msc_buffer_win_alloc()
714 		msc->base = win->block[0].bdesc;  in msc_buffer_win_alloc()
727 		set_memory_wb((unsigned long)win->block[i].bdesc, 1);  in msc_buffer_win_alloc()
729 		dma_free_coherent(msc_dev(msc), size, win->block[i].bdesc,  in msc_buffer_win_alloc()
758 		struct page *page = virt_to_page(win->block[i].bdesc);  in msc_buffer_win_free()
763 		set_memory_wb((unsigned long)win->block[i].bdesc, 1);  in msc_buffer_win_free()
766 				  win->block[i].bdesc, win->block[i].addr);  in msc_buffer_win_free()
802 			struct msc_block_desc *bdesc = win->block[blk].bdesc;  in msc_buffer_relink()  local
804 			memset(bdesc, 0, sizeof(*bdesc));  in msc_buffer_relink()
806 			bdesc->next_win = next_win->block[0].addr >> PAGE_SHIFT;  in msc_buffer_relink()
814 				bdesc->next_blk =  in msc_buffer_relink()
817 				bdesc->next_blk =  in msc_buffer_relink()
821 			bdesc->sw_tag = sw_tag;  in msc_buffer_relink()
822 			bdesc->block_sz = PAGE_SIZE / 64;  in msc_buffer_relink()
993 	return virt_to_page(win->block[pgoff].bdesc);  in msc_buffer_get_page()