59 	struct event_buffer *buffer = sp->event_buffer;  in ibmasm_receive_event()  local
67 	event = &buffer->events[buffer->next_index];  in ibmasm_receive_event()
70 	event->serial_number = buffer->next_serial_number;  in ibmasm_receive_event()
73 	buffer->next_index = (buffer->next_index + 1) % IBMASM_NUM_EVENTS;  in ibmasm_receive_event()
74 	buffer->next_serial_number++;  in ibmasm_receive_event()
93 	struct event_buffer *buffer = sp->event_buffer;  in ibmasm_get_next_event()  local
101 			event_available(buffer, reader) || reader->cancelled))  in ibmasm_get_next_event()
104 	if (!event_available(buffer, reader))  in ibmasm_get_next_event()
109 	index = buffer->next_index;  in ibmasm_get_next_event()
110 	event = &buffer->events[index];  in ibmasm_get_next_event()
113 		event = &buffer->events[index];  in ibmasm_get_next_event()
152 	struct event_buffer *buffer;  in ibmasm_event_buffer_init()  local
156 	buffer = kmalloc(sizeof(struct event_buffer), GFP_KERNEL);  in ibmasm_event_buffer_init()
157 	if (!buffer)  in ibmasm_event_buffer_init()
160 	buffer->next_index = 0;  in ibmasm_event_buffer_init()
161 	buffer->next_serial_number = 1;  in ibmasm_event_buffer_init()
163 	event = buffer->events;  in ibmasm_event_buffer_init()
167 	INIT_LIST_HEAD(&buffer->readers);  in ibmasm_event_buffer_init()
169 	sp->event_buffer = buffer;  in ibmasm_event_buffer_init()