Lines Matching defs:buffer

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,
234  * buffer-------------->|           | ...    |         |
241  * Additionally, the IO driver has an underlying buffer that is at least
244 static int block_read(io_entity_t *entity, uintptr_t buffer, size_t length,
270 	buf = &(cur->dev_spec->buffer);
301 			 * The underlying read buffer is too small to
303 			 * fill the buffer, and then read again.
308 			 * The underlying read buffer is big enough to
331 		 * the read data when copying to the user buffer.
337 		memcpy((void *)(buffer + count),
356 static int block_write(io_entity_t *entity, const uintptr_t buffer,
382 	buf = &(cur->dev_spec->buffer);
414 			 * The underlying read buffer is too small to
416 			 * fill the buffer, and then read again.
421 			 * The underlying read buffer is big enough to
433 		 * from the user buffer will depend of the size
468 		       (void *)(buffer + count),
479 		 * buffer
503 	io_block_spec_t *buffer;
516 	buffer = &(cur->dev_spec->buffer);
520 	       ((buffer->offset % block_size) == 0U) &&
521 	       ((buffer->length % block_size) == 0U));
525 	(void)buffer;