208 static bool vmw_fifo_is_full(struct vmw_private *dev_priv, uint32_t bytes)  in vmw_fifo_is_full()  argument
216 	return ((max - next_cmd) + (stop - min) <= bytes);  in vmw_fifo_is_full()
220 			       uint32_t bytes, bool interruptible,  in vmw_fifo_wait_noirq()  argument
233 		if (!vmw_fifo_is_full(dev_priv, bytes))  in vmw_fifo_wait_noirq()
253 			 uint32_t bytes, bool interruptible,  in vmw_fifo_wait()  argument
258 	if (likely(!vmw_fifo_is_full(dev_priv, bytes)))  in vmw_fifo_wait()
263 		return vmw_fifo_wait_noirq(dev_priv, bytes,  in vmw_fifo_wait()
272 		     !vmw_fifo_is_full(dev_priv, bytes), timeout);  in vmw_fifo_wait()
276 		     !vmw_fifo_is_full(dev_priv, bytes), timeout);  in vmw_fifo_wait()
290  * Reserve @bytes number of bytes in the fifo.
293  *  If it timeouts waiting for fifo space, or if @bytes is larger than the
300 				    uint32_t bytes)  in vmw_local_fifo_reserve()  argument
315 	if (unlikely(bytes >= (max - min)))  in vmw_local_fifo_reserve()
321 	fifo_state->reserved_size = bytes;  in vmw_local_fifo_reserve()
329 			if (likely((next_cmd + bytes < max ||  in vmw_local_fifo_reserve()
330 				    (next_cmd + bytes == max && stop > min))))  in vmw_local_fifo_reserve()
333 			else if (vmw_fifo_is_full(dev_priv, bytes)) {  in vmw_local_fifo_reserve()
334 				ret = vmw_fifo_wait(dev_priv, bytes,  in vmw_local_fifo_reserve()
343 			if (likely((next_cmd + bytes < stop)))  in vmw_local_fifo_reserve()
346 				ret = vmw_fifo_wait(dev_priv, bytes,  in vmw_local_fifo_reserve()
354 			if (reserveable || bytes <= sizeof(uint32_t)) {  in vmw_local_fifo_reserve()
358 					vmw_mmio_write(bytes, fifo_mem +  in vmw_local_fifo_reserve()
369 			if (bytes < fifo_state->static_buffer_size)  in vmw_local_fifo_reserve()
372 				fifo_state->dynamic_buffer = vmalloc(bytes);  in vmw_local_fifo_reserve()
386 void *vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes,  in vmw_fifo_reserve_dx()  argument
392 		ret = vmw_cmdbuf_reserve(dev_priv->cman, bytes,  in vmw_fifo_reserve_dx()
395 		ret = vmw_local_fifo_reserve(dev_priv, bytes);  in vmw_fifo_reserve_dx()
409 			      uint32_t max, uint32_t min, uint32_t bytes)  in vmw_fifo_res_copy()  argument
416 	if (bytes < chunk_size)  in vmw_fifo_res_copy()
417 		chunk_size = bytes;  in vmw_fifo_res_copy()
419 	vmw_mmio_write(bytes, fifo_mem + SVGA_FIFO_RESERVED);  in vmw_fifo_res_copy()
422 	rest = bytes - chunk_size;  in vmw_fifo_res_copy()
430 			       uint32_t max, uint32_t min, uint32_t bytes)  in vmw_fifo_slow_copy()  argument
435 	while (bytes > 0) {  in vmw_fifo_slow_copy()
443 		bytes -= sizeof(uint32_t);  in vmw_fifo_slow_copy()
447 static void vmw_local_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes)  in vmw_local_fifo_commit()  argument
457 		bytes += sizeof(struct vmw_temp_set_context);  in vmw_local_fifo_commit()
460 	BUG_ON((bytes & 3) != 0);  in vmw_local_fifo_commit()
461 	BUG_ON(bytes > fifo_state->reserved_size);  in vmw_local_fifo_commit()
468 					  next_cmd, max, min, bytes);  in vmw_local_fifo_commit()
471 					   next_cmd, max, min, bytes);  in vmw_local_fifo_commit()
482 		next_cmd += bytes;  in vmw_local_fifo_commit()
497 void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes)  in vmw_fifo_commit()  argument
500 		vmw_cmdbuf_commit(dev_priv->cman, bytes, NULL, false);  in vmw_fifo_commit()
502 		vmw_local_fifo_commit(dev_priv, bytes);  in vmw_fifo_commit()
510  * @bytes: Number of bytes to commit.
512 void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes)  in vmw_fifo_commit_flush()  argument
515 		vmw_cmdbuf_commit(dev_priv->cman, bytes, NULL, true);  in vmw_fifo_commit_flush()
517 		vmw_local_fifo_commit(dev_priv, bytes);  in vmw_fifo_commit_flush()
543 	uint32_t bytes = sizeof(u32) + sizeof(*cmd_fence);  in vmw_fifo_send_fence()  local
545 	fm = VMW_FIFO_RESERVE(dev_priv, bytes);  in vmw_fifo_send_fence()
572 	vmw_fifo_commit_flush(dev_priv, bytes);  in vmw_fifo_send_fence()