206 static bool vmw_fifo_is_full(struct vmw_private *dev_priv, uint32_t bytes)  in vmw_fifo_is_full()  argument
214 	return ((max - next_cmd) + (stop - min) <= bytes);  in vmw_fifo_is_full()
218 			       uint32_t bytes, bool interruptible,  in vmw_fifo_wait_noirq()  argument
231 		if (!vmw_fifo_is_full(dev_priv, bytes))  in vmw_fifo_wait_noirq()
251 			 uint32_t bytes, bool interruptible,  in vmw_fifo_wait()  argument
256 	if (likely(!vmw_fifo_is_full(dev_priv, bytes)))  in vmw_fifo_wait()
261 		return vmw_fifo_wait_noirq(dev_priv, bytes,  in vmw_fifo_wait()
270 		     !vmw_fifo_is_full(dev_priv, bytes), timeout);  in vmw_fifo_wait()
274 		     !vmw_fifo_is_full(dev_priv, bytes), timeout);  in vmw_fifo_wait()
288  * Reserve @bytes number of bytes in the fifo.
291  *  If it timeouts waiting for fifo space, or if @bytes is larger than the
298 				    uint32_t bytes)  in vmw_local_fifo_reserve()  argument
313 	if (unlikely(bytes >= (max - min)))  in vmw_local_fifo_reserve()
319 	fifo_state->reserved_size = bytes;  in vmw_local_fifo_reserve()
327 			if (likely((next_cmd + bytes < max ||  in vmw_local_fifo_reserve()
328 				    (next_cmd + bytes == max && stop > min))))  in vmw_local_fifo_reserve()
331 			else if (vmw_fifo_is_full(dev_priv, bytes)) {  in vmw_local_fifo_reserve()
332 				ret = vmw_fifo_wait(dev_priv, bytes,  in vmw_local_fifo_reserve()
341 			if (likely((next_cmd + bytes < stop)))  in vmw_local_fifo_reserve()
344 				ret = vmw_fifo_wait(dev_priv, bytes,  in vmw_local_fifo_reserve()
352 			if (reserveable || bytes <= sizeof(uint32_t)) {  in vmw_local_fifo_reserve()
356 					vmw_mmio_write(bytes, fifo_mem +  in vmw_local_fifo_reserve()
367 			if (bytes < fifo_state->static_buffer_size)  in vmw_local_fifo_reserve()
370 				fifo_state->dynamic_buffer = vmalloc(bytes);  in vmw_local_fifo_reserve()
384 void *vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes,  in vmw_fifo_reserve_dx()  argument
390 		ret = vmw_cmdbuf_reserve(dev_priv->cman, bytes,  in vmw_fifo_reserve_dx()
393 		ret = vmw_local_fifo_reserve(dev_priv, bytes);  in vmw_fifo_reserve_dx()
407 			      uint32_t max, uint32_t min, uint32_t bytes)  in vmw_fifo_res_copy()  argument
414 	if (bytes < chunk_size)  in vmw_fifo_res_copy()
415 		chunk_size = bytes;  in vmw_fifo_res_copy()
417 	vmw_mmio_write(bytes, fifo_mem + SVGA_FIFO_RESERVED);  in vmw_fifo_res_copy()
420 	rest = bytes - chunk_size;  in vmw_fifo_res_copy()
428 			       uint32_t max, uint32_t min, uint32_t bytes)  in vmw_fifo_slow_copy()  argument
433 	while (bytes > 0) {  in vmw_fifo_slow_copy()
441 		bytes -= sizeof(uint32_t);  in vmw_fifo_slow_copy()
445 static void vmw_local_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes)  in vmw_local_fifo_commit()  argument
455 		bytes += sizeof(struct vmw_temp_set_context);  in vmw_local_fifo_commit()
458 	BUG_ON((bytes & 3) != 0);  in vmw_local_fifo_commit()
459 	BUG_ON(bytes > fifo_state->reserved_size);  in vmw_local_fifo_commit()
466 					  next_cmd, max, min, bytes);  in vmw_local_fifo_commit()
469 					   next_cmd, max, min, bytes);  in vmw_local_fifo_commit()
480 		next_cmd += bytes;  in vmw_local_fifo_commit()
495 void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes)  in vmw_fifo_commit()  argument
498 		vmw_cmdbuf_commit(dev_priv->cman, bytes, NULL, false);  in vmw_fifo_commit()
500 		vmw_local_fifo_commit(dev_priv, bytes);  in vmw_fifo_commit()
508  * @bytes: Number of bytes to commit.
510 void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes)  in vmw_fifo_commit_flush()  argument
513 		vmw_cmdbuf_commit(dev_priv->cman, bytes, NULL, true);  in vmw_fifo_commit_flush()
515 		vmw_local_fifo_commit(dev_priv, bytes);  in vmw_fifo_commit_flush()
541 	uint32_t bytes = sizeof(u32) + sizeof(*cmd_fence);  in vmw_fifo_send_fence()  local
543 	fm = VMW_FIFO_RESERVE(dev_priv, bytes);  in vmw_fifo_send_fence()
570 	vmw_fifo_commit_flush(dev_priv, bytes);  in vmw_fifo_send_fence()