56 static int init_window_mem(struct mbox_context *context)  in init_window_mem()  argument
58 	void *mem_location = context->mem;  in init_window_mem()
68 	for (i = 0; i < context->windows.num; i++) {  in init_window_mem()
69 		uint32_t size = context->windows.window[i].size;  in init_window_mem()
72 		context->windows.window[i].mem = mem_location;  in init_window_mem()
74 		if (mem_location > (context->mem + context->mem_size)) {  in init_window_mem()
78 			MSG_ERR("Mem size: 0x%.8x\n", context->mem_size);  in init_window_mem()
91 int init_windows(struct mbox_context *context)  in init_windows()  argument
96 	if (!context->windows.default_size) {  in init_windows()
98 		context->windows.default_size = 1 << 20;  in init_windows()
100 	MSG_INFO("Window size: 0x%.8x\n", context->windows.default_size);  in init_windows()
101 	if (!context->windows.num) {  in init_windows()
103 		context->windows.num = context->mem_size /  in init_windows()
104 				       context->windows.default_size;  in init_windows()
106 	MSG_INFO("Number of windows: %d\n", context->windows.num);  in init_windows()
108 	context->windows.window = calloc(context->windows.num,  in init_windows()
109 					 sizeof(*context->windows.window));  in init_windows()
110 	if (!context->windows.window) {  in init_windows()
115 	for (i = 0; i < context->windows.num; i++) {  in init_windows()
116 		init_window_state(&context->windows.window[i],  in init_windows()
117 				  context->windows.default_size);  in init_windows()
120 	return init_window_mem(context);  in init_windows()
127 void free_windows(struct mbox_context *context)  in free_windows()  argument
132 	if (context->windows.window) {  in free_windows()
133 		for (i = 0; i < context->windows.num; i++) {  in free_windows()
134 			free(context->windows.window[i].dirty_bmap);  in free_windows()
136 		free(context->windows.window);  in free_windows()
157 int write_from_window_v1(struct mbox_context *context,  in write_from_window_v1()  argument
165 	flash_offset = context->current->flash_offset + offset_bytes;  in write_from_window_v1()
176 					  context->mtd_info.erasesize);  in write_from_window_v1()
180 				 context->mtd_info.erasesize) -  in write_from_window_v1()
187 	if (low_mem.flash_offset < context->current->flash_offset) {  in write_from_window_v1()
194 		rc = copy_flash(context, low_mem.flash_offset,  in write_from_window_v1()
201 	    (context->current->flash_offset + context->current->size)) {  in write_from_window_v1()
209 		rc = copy_flash(context, high_mem.flash_offset,  in write_from_window_v1()
220 	rc = erase_flash(context, low_mem.flash_offset,  in write_from_window_v1()
231 		rc = write_flash(context, low_mem.flash_offset, low_mem.mem,  in write_from_window_v1()
237 	rc = write_flash(context, flash_offset,  in write_from_window_v1()
238 			 context->current->mem + offset_bytes, count_bytes);  in write_from_window_v1()
248 		rc = write_flash(context, high_mem.flash_offset, high_mem.mem,  in write_from_window_v1()
255 		rc = write_flash(context, high_mem.flash_offset,  in write_from_window_v1()
256 				 context->current->mem + offset_bytes +  in write_from_window_v1()
278 int write_from_window(struct mbox_context *context, uint32_t offset,  in write_from_window()  argument
282 	uint32_t flash_offset, count_bytes = count << context->block_size_shift;  in write_from_window()
283 	uint32_t offset_bytes = offset << context->block_size_shift;  in write_from_window()
287 		flash_offset = context->current->flash_offset + offset_bytes;  in write_from_window()
288 		rc = erase_flash(context, flash_offset, count_bytes);  in write_from_window()
300 		if (log_2(context->mtd_info.erasesize) !=  in write_from_window()
301 						context->block_size_shift) {  in write_from_window()
302 			return write_from_window_v1(context, offset_bytes,  in write_from_window()
305 		flash_offset = context->current->flash_offset + offset_bytes;  in write_from_window()
308 		rc = erase_flash(context, flash_offset, count_bytes);  in write_from_window()
314 		rc = write_flash(context, flash_offset,  in write_from_window()
315 				 context->current->mem + offset_bytes,  in write_from_window()
337 void alloc_window_dirty_bytemap(struct mbox_context *context)  in alloc_window_dirty_bytemap()  argument
342 	for (i = 0; i < context->windows.num; i++) {  in alloc_window_dirty_bytemap()
343 		cur = &context->windows.window[i];  in alloc_window_dirty_bytemap()
348 					  context->block_size_shift),  in alloc_window_dirty_bytemap()
363 int set_window_bytemap(struct mbox_context *context, struct window_context *cur,  in set_window_bytemap()  argument
366 	if (offset + size > (cur->size >> context->block_size_shift)) {  in set_window_bytemap()
369 			offset << context->block_size_shift,  in set_window_bytemap()
370 			size << context->block_size_shift,  in set_window_bytemap()
371 			cur->size << context->block_size_shift);  in set_window_bytemap()
391 void close_current_window(struct mbox_context *context, bool set_bmc_event,  in close_current_window()  argument
397 		set_bmc_events(context, BMC_EVENT_WINDOW_RESET, SET_BMC_EVENT);  in close_current_window()
401 		context->current->age = 0;  in close_current_window()
404 	context->current = NULL;  in close_current_window()
405 	context->current_is_write = false;  in close_current_window()
413 void reset_window(struct mbox_context *context, struct window_context *window)  in reset_window()  argument
416 	window->size = context->windows.default_size;  in reset_window()
418 		set_window_bytemap(context, window, 0,  in reset_window()
419 				   window->size >> context->block_size_shift,  in reset_window()
430 void reset_all_windows(struct mbox_context *context, bool set_bmc_event)  in reset_all_windows()  argument
436 	if (context->current) {  in reset_all_windows()
437 		close_current_window(context, set_bmc_event, FLAGS_NONE);  in reset_all_windows()
439 	for (i = 0; i < context->windows.num; i++) {  in reset_all_windows()
440 		reset_window(context, &context->windows.window[i]);  in reset_all_windows()
443 	context->windows.max_age = 0;  in reset_all_windows()
452 struct window_context *find_oldest_window(struct mbox_context *context)  in find_oldest_window()  argument
455 	uint32_t min_age = context->windows.max_age + 1;  in find_oldest_window()
458 	for (i = 0; i < context->windows.num; i++) {  in find_oldest_window()
459 		cur = &context->windows.window[i];  in find_oldest_window()
476 struct window_context *find_largest_window(struct mbox_context *context)  in find_largest_window()  argument
482 	for (i = 0; i < context->windows.num; i++) {  in find_largest_window()
483 		cur = &context->windows.window[i];  in find_largest_window()
508 struct window_context *search_windows(struct mbox_context *context,  in search_windows()  argument
516 	for (i = 0; i < context->windows.num; i++) {  in search_windows()
517 		cur = &context->windows.window[i];  in search_windows()
531 			cur->age = ++(context->windows.max_age);  in search_windows()
554 int create_map_window(struct mbox_context *context,  in create_map_window()  argument
565 	cur = search_windows(context, FLASH_OFFSET_UNINIT, true);  in create_map_window()
570 		cur = find_oldest_window(context);  in create_map_window()
571 		reset_window(context, cur);  in create_map_window()
595 	if (offset > context->flash_size) {  in create_map_window()
598 	} else if ((offset + cur->size) > context->flash_size) {  in create_map_window()
609 		if (context->version == API_VERSION_1) {  in create_map_window()
610 			cur->size = align_down(context->flash_size - offset,  in create_map_window()
611 					       1 << context->block_size_shift);  in create_map_window()
617 			cur->size = context->flash_size - offset;  in create_map_window()
622 	rc = copy_flash(context, offset, cur->mem, cur->size);  in create_map_window()
625 		reset_window(context, cur);  in create_map_window()
634 	cur->size = align_up(rc, (1ULL << context->block_size_shift));  in create_map_window()
646 	if (context->version == API_VERSION_1) {  in create_map_window()
654 				tmp = search_windows(context, i, false);  in create_map_window()
656 					reset_window(context, tmp);  in create_map_window()
663 	set_window_bytemap(context, cur, 0,  in create_map_window()
664 			   cur->size >> context->block_size_shift,  in create_map_window()
669 	cur->age = ++(context->windows.max_age);  in create_map_window()