196 static inline int hyperv_sendpacket(struct hv_device *hdev, struct synthvid_msg *msg)  in hyperv_sendpacket()  argument
202 	msg->pipe_hdr.type = PIPE_MSG_DATA;  in hyperv_sendpacket()
203 	msg->pipe_hdr.size = msg->vid_hdr.size;  in hyperv_sendpacket()
205 	ret = vmbus_sendpacket(hdev->channel, msg,  in hyperv_sendpacket()
206 			       msg->vid_hdr.size + sizeof(struct pipe_msg_hdr),  in hyperv_sendpacket()
219 	struct synthvid_msg *msg = (struct synthvid_msg *)hv->init_buf;  in hyperv_negotiate_version()  local
223 	memset(msg, 0, sizeof(struct synthvid_msg));  in hyperv_negotiate_version()
224 	msg->vid_hdr.type = SYNTHVID_VERSION_REQUEST;  in hyperv_negotiate_version()
225 	msg->vid_hdr.size = sizeof(struct synthvid_msg_hdr) +  in hyperv_negotiate_version()
227 	msg->ver_req.version = ver;  in hyperv_negotiate_version()
228 	hyperv_sendpacket(hdev, msg);  in hyperv_negotiate_version()
236 	if (!msg->ver_resp.is_accepted) {  in hyperv_negotiate_version()
251 	struct synthvid_msg *msg = (struct synthvid_msg *)hv->init_buf;  in hyperv_update_vram_location()  local
255 	memset(msg, 0, sizeof(struct synthvid_msg));  in hyperv_update_vram_location()
256 	msg->vid_hdr.type = SYNTHVID_VRAM_LOCATION;  in hyperv_update_vram_location()
257 	msg->vid_hdr.size = sizeof(struct synthvid_msg_hdr) +  in hyperv_update_vram_location()
259 	msg->vram.user_ctx = vram_pp;  in hyperv_update_vram_location()
260 	msg->vram.vram_gpa = vram_pp;  in hyperv_update_vram_location()
261 	msg->vram.is_vram_gpa_specified = 1;  in hyperv_update_vram_location()
262 	hyperv_sendpacket(hdev, msg);  in hyperv_update_vram_location()
269 	if (msg->vram_ack.user_ctx != vram_pp) {  in hyperv_update_vram_location()
280 	struct synthvid_msg msg;  in hyperv_update_situation()  local
282 	memset(&msg, 0, sizeof(struct synthvid_msg));  in hyperv_update_situation()
284 	msg.vid_hdr.type = SYNTHVID_SITUATION_UPDATE;  in hyperv_update_situation()
285 	msg.vid_hdr.size = sizeof(struct synthvid_msg_hdr) +  in hyperv_update_situation()
287 	msg.situ.user_ctx = 0;  in hyperv_update_situation()
288 	msg.situ.video_output_count = 1;  in hyperv_update_situation()
289 	msg.situ.video_output[0].active = active;  in hyperv_update_situation()
291 	msg.situ.video_output[0].vram_offset = 0;  in hyperv_update_situation()
292 	msg.situ.video_output[0].depth_bits = bpp;  in hyperv_update_situation()
293 	msg.situ.video_output[0].width_pixels = w;  in hyperv_update_situation()
294 	msg.situ.video_output[0].height_pixels = h;  in hyperv_update_situation()
295 	msg.situ.video_output[0].pitch_bytes = pitch;  in hyperv_update_situation()
297 	hyperv_sendpacket(hdev, &msg);  in hyperv_update_situation()
320 	struct synthvid_msg msg;  in hyperv_hide_hw_ptr()  local
322 	memset(&msg, 0, sizeof(struct synthvid_msg));  in hyperv_hide_hw_ptr()
323 	msg.vid_hdr.type = SYNTHVID_POINTER_POSITION;  in hyperv_hide_hw_ptr()
324 	msg.vid_hdr.size = sizeof(struct synthvid_msg_hdr) +  in hyperv_hide_hw_ptr()
326 	msg.ptr_pos.is_visible = 1;  in hyperv_hide_hw_ptr()
327 	msg.ptr_pos.video_output = 0;  in hyperv_hide_hw_ptr()
328 	msg.ptr_pos.image_x = 0;  in hyperv_hide_hw_ptr()
329 	msg.ptr_pos.image_y = 0;  in hyperv_hide_hw_ptr()
330 	hyperv_sendpacket(hdev, &msg);  in hyperv_hide_hw_ptr()
332 	memset(&msg, 0, sizeof(struct synthvid_msg));  in hyperv_hide_hw_ptr()
333 	msg.vid_hdr.type = SYNTHVID_POINTER_SHAPE;  in hyperv_hide_hw_ptr()
334 	msg.vid_hdr.size = sizeof(struct synthvid_msg_hdr) +  in hyperv_hide_hw_ptr()
336 	msg.ptr_shape.part_idx = SYNTHVID_CURSOR_COMPLETE;  in hyperv_hide_hw_ptr()
337 	msg.ptr_shape.is_argb = 1;  in hyperv_hide_hw_ptr()
338 	msg.ptr_shape.width = 1;  in hyperv_hide_hw_ptr()
339 	msg.ptr_shape.height = 1;  in hyperv_hide_hw_ptr()
340 	msg.ptr_shape.hot_x = 0;  in hyperv_hide_hw_ptr()
341 	msg.ptr_shape.hot_y = 0;  in hyperv_hide_hw_ptr()
342 	msg.ptr_shape.data[0] = 0;  in hyperv_hide_hw_ptr()
343 	msg.ptr_shape.data[1] = 1;  in hyperv_hide_hw_ptr()
344 	msg.ptr_shape.data[2] = 1;  in hyperv_hide_hw_ptr()
345 	msg.ptr_shape.data[3] = 1;  in hyperv_hide_hw_ptr()
346 	hyperv_sendpacket(hdev, &msg);  in hyperv_hide_hw_ptr()
354 	struct synthvid_msg msg;  in hyperv_update_dirt()  local
359 	memset(&msg, 0, sizeof(struct synthvid_msg));  in hyperv_update_dirt()
361 	msg.vid_hdr.type = SYNTHVID_DIRT;  in hyperv_update_dirt()
362 	msg.vid_hdr.size = sizeof(struct synthvid_msg_hdr) +  in hyperv_update_dirt()
364 	msg.dirt.video_output = 0;  in hyperv_update_dirt()
365 	msg.dirt.dirt_count = 1;  in hyperv_update_dirt()
366 	msg.dirt.rect[0].x1 = rect->x1;  in hyperv_update_dirt()
367 	msg.dirt.rect[0].y1 = rect->y1;  in hyperv_update_dirt()
368 	msg.dirt.rect[0].x2 = rect->x2;  in hyperv_update_dirt()
369 	msg.dirt.rect[0].y2 = rect->y2;  in hyperv_update_dirt()
371 	hyperv_sendpacket(hdev, &msg);  in hyperv_update_dirt()
379 	struct synthvid_msg *msg = (struct synthvid_msg *)hv->init_buf;  in hyperv_get_supported_resolution()  local
385 	memset(msg, 0, sizeof(struct synthvid_msg));  in hyperv_get_supported_resolution()
386 	msg->vid_hdr.type = SYNTHVID_RESOLUTION_REQUEST;  in hyperv_get_supported_resolution()
387 	msg->vid_hdr.size = sizeof(struct synthvid_msg_hdr) +  in hyperv_get_supported_resolution()
389 	msg->resolution_req.maximum_resolution_count =  in hyperv_get_supported_resolution()
391 	hyperv_sendpacket(hdev, msg);  in hyperv_get_supported_resolution()
399 	if (msg->resolution_resp.resolution_count == 0) {  in hyperv_get_supported_resolution()
404 	index = msg->resolution_resp.default_resolution_index;  in hyperv_get_supported_resolution()
405 	if (index >= msg->resolution_resp.resolution_count) {  in hyperv_get_supported_resolution()
410 	for (i = 0; i < msg->resolution_resp.resolution_count; i++) {  in hyperv_get_supported_resolution()
412 			msg->resolution_resp.supported_resolution[i].width);  in hyperv_get_supported_resolution()
414 			msg->resolution_resp.supported_resolution[i].height);  in hyperv_get_supported_resolution()
418 		msg->resolution_resp.supported_resolution[index].width;  in hyperv_get_supported_resolution()
420 		msg->resolution_resp.supported_resolution[index].height;  in hyperv_get_supported_resolution()
428 	struct synthvid_msg *msg;  in hyperv_receive_sub()  local
433 	msg = (struct synthvid_msg *)hv->recv_buf;  in hyperv_receive_sub()
436 	if (msg->vid_hdr.type == SYNTHVID_VERSION_RESPONSE ||  in hyperv_receive_sub()
437 	    msg->vid_hdr.type == SYNTHVID_RESOLUTION_RESPONSE ||  in hyperv_receive_sub()
438 	    msg->vid_hdr.type == SYNTHVID_VRAM_LOCATION_ACK) {  in hyperv_receive_sub()
439 		memcpy(hv->init_buf, msg, VMBUS_MAX_PACKET_SIZE);  in hyperv_receive_sub()
444 	if (msg->vid_hdr.type == SYNTHVID_FEATURE_CHANGE) {  in hyperv_receive_sub()
445 		hv->dirt_needed = msg->feature_chg.is_dirt_needed;  in hyperv_receive_sub()