73 static inline int mbox_xlate_errno(struct mbox_context *context,  in mbox_xlate_errno()  argument
80 	for(entry = errno_maps[context->version]; entry->rc != -1; entry++) {  in mbox_xlate_errno()
96 static int transport_mbox_flush_events(struct mbox_context *context, uint8_t events)  in transport_mbox_flush_events()  argument
101 	rc = lseek(context->fds[MBOX_FD].fd, MBOX_BMC_EVENT, SEEK_SET);  in transport_mbox_flush_events()
109 	rc = write(context->fds[MBOX_FD].fd, &events, 1);  in transport_mbox_flush_events()
117 	rc = lseek(context->fds[MBOX_FD].fd, 0, SEEK_SET);  in transport_mbox_flush_events()
127 static int transport_mbox_put_events(struct mbox_context *context,  in transport_mbox_put_events()  argument
130 	return transport_mbox_flush_events(context, context->bmc_events & mask);  in transport_mbox_put_events()
133 static int transport_mbox_update_events(struct mbox_context *context,  in transport_mbox_update_events()  argument
137 	return transport_mbox_flush_events(context, context->bmc_events & mask);  in transport_mbox_update_events()
153 static int mbox_handle_reset(struct mbox_context *context,  in mbox_handle_reset()  argument
157 	return context->protocol->reset(context);  in mbox_handle_reset()
182 static int mbox_handle_mbox_info(struct mbox_context *context,  in mbox_handle_mbox_info()  argument
191 	rc = context->protocol->get_info(context, &io);  in mbox_handle_mbox_info()
200 	context->transport = &transport_mbox_ops;  in mbox_handle_mbox_info()
225 static int mbox_handle_flash_info(struct mbox_context *context,  in mbox_handle_flash_info()  argument
232 	rc = context->protocol->get_flash_info(context, &io);  in mbox_handle_flash_info()
237 	switch (context->version) {  in mbox_handle_flash_info()
262 static inline uint16_t get_lpc_addr_shifted(struct mbox_context *context)  in get_lpc_addr_shifted()  argument
267 	mem_offset = context->current->mem - context->mem;  in get_lpc_addr_shifted()
269 	lpc_addr = context->lpc_base + mem_offset;  in get_lpc_addr_shifted()
273 	return lpc_addr >> context->backend.block_size_shift;  in get_lpc_addr_shifted()
276 static int mbox_handle_create_window(struct mbox_context *context, bool ro,  in mbox_handle_create_window()  argument
285 	rc = context->protocol->create_window(context, &io);  in mbox_handle_create_window()
291 	if (context->version >= API_VERSION_2) {  in mbox_handle_create_window()
318 static int mbox_handle_read_window(struct mbox_context *context,  in mbox_handle_read_window()  argument
321 	return mbox_handle_create_window(context, true, req, resp);  in mbox_handle_read_window()
343 static int mbox_handle_write_window(struct mbox_context *context,  in mbox_handle_write_window()  argument
346 	return mbox_handle_create_window(context, false, req, resp);  in mbox_handle_write_window()
365 static int mbox_handle_dirty_window(struct mbox_context *context,  in mbox_handle_dirty_window()  argument
371 	if (context->version == API_VERSION_1) {  in mbox_handle_dirty_window()
379 	return context->protocol->mark_dirty(context, &io);  in mbox_handle_dirty_window()
395 static int mbox_handle_erase_window(struct mbox_context *context,  in mbox_handle_erase_window()  argument
404 	if (!context->protocol->erase) {  in mbox_handle_erase_window()
409 	return context->protocol->erase(context, &io);  in mbox_handle_erase_window()
429 static int mbox_handle_flush_window(struct mbox_context *context,  in mbox_handle_flush_window()  argument
435 	if (context->version == API_VERSION_1) {  in mbox_handle_flush_window()
440 	return context->protocol->flush(context, &io);  in mbox_handle_flush_window()
454 static int mbox_handle_close_window(struct mbox_context *context,  in mbox_handle_close_window()  argument
460 	if (context->version >= API_VERSION_2) {  in mbox_handle_close_window()
464 	return context->protocol->close(context, &io);  in mbox_handle_close_window()
473 static int mbox_handle_ack(struct mbox_context *context, union mbox_regs *req,  in mbox_handle_ack()  argument
480 	return context->protocol->ack(context, &io);  in mbox_handle_ack()
490 static int check_req_valid(struct mbox_context *context, union mbox_regs *req)  in check_req_valid()  argument
500 	if (seq == context->prev_seq && cmd != MBOX_C_GET_MBOX_INFO) {  in check_req_valid()
502 			context->prev_seq);  in check_req_valid()
506 	if (context->state & STATE_SUSPENDED) {  in check_req_valid()
514 	if (context->transport != &transport_mbox_ops) {  in check_req_valid()
522 	if (!(context->state & MAPS_MEM)) {  in check_req_valid()
556 static int handle_mbox_req(struct mbox_context *context, union mbox_regs *req)  in handle_mbox_req()  argument
558 	const struct transport_ops *old_transport = context->transport;  in handle_mbox_req()
569 	rc = check_req_valid(context, req);  in handle_mbox_req()
575 		rc = handler(context, req, &resp);  in handle_mbox_req()
582 	rc = mbox_xlate_errno(context, rc);  in handle_mbox_req()
584 	context->prev_seq = req->msg.seq;  in handle_mbox_req()
593 	len = write(context->fds[MBOX_FD].fd, &resp, sizeof(resp));  in handle_mbox_req()
599 	if (context->transport != old_transport &&  in handle_mbox_req()
600 			context->transport == &transport_mbox_ops) {  in handle_mbox_req()
602 		protocol_events_set(context, context->bmc_events);  in handle_mbox_req()
615 static int get_message(struct mbox_context *context, union mbox_regs *msg)  in get_message()  argument
619 	rc = read(context->fds[MBOX_FD].fd, msg, sizeof(msg->raw));  in get_message()
644 int transport_mbox_dispatch(struct mbox_context *context)  in transport_mbox_dispatch()  argument
649 	assert(context);  in transport_mbox_dispatch()
651 	rc = get_message(context, &req);  in transport_mbox_dispatch()
656 	return handle_mbox_req(context, &req);  in transport_mbox_dispatch()
659 int __transport_mbox_init(struct mbox_context *context, const char *path,  in __transport_mbox_init()  argument
673 	context->fds[MBOX_FD].fd = fd;  in __transport_mbox_init()
682 int transport_mbox_init(struct mbox_context *context,  in transport_mbox_init()  argument
687 	rc = __transport_mbox_init(context, MBOX_HOST_PATH, ops);  in transport_mbox_init()
694 void transport_mbox_free(struct mbox_context *context)  in transport_mbox_free()  argument
696 	close(context->fds[MBOX_FD].fd);  in transport_mbox_free()