31 		      io_entity_t *entity);
32 static int block_seek(io_entity_t *entity, int mode, signed long long offset);
33 static int block_read(io_entity_t *entity, uintptr_t buffer, size_t length,
35 static int block_write(io_entity_t *entity, const uintptr_t buffer,
37 static int block_close(io_entity_t *entity);
128 		      io_entity_t *entity)  in block_open()  argument
135 	       (entity->info == (uintptr_t)NULL));  in block_open()
146 	entity->info = (uintptr_t)cur;  in block_open()
151 static int block_seek(io_entity_t *entity, int mode, signed long long offset)  in block_seek()  argument
155 	assert(entity->info != (uintptr_t)NULL);  in block_seek()
157 	cur = (block_dev_state_t *)entity->info;  in block_seek()
244 static int block_read(io_entity_t *entity, uintptr_t buffer, size_t length,  in block_read()  argument
267 	assert(entity->info != (uintptr_t)NULL);  in block_read()
268 	cur = (block_dev_state_t *)entity->info;  in block_read()
356 static int block_write(io_entity_t *entity, const uintptr_t buffer,  in block_write()  argument
379 	assert(entity->info != (uintptr_t)NULL);  in block_write()
380 	cur = (block_dev_state_t *)entity->info;  in block_write()
494 static int block_close(io_entity_t *entity)  in block_close()  argument
496 	entity->info = (uintptr_t)NULL;  in block_close()