330 static void hgcm_call_init_linaddr(struct vmmdev_hgcm_call *call,  in hgcm_call_init_linaddr()  argument
347 	dst_pg_lst = (void *)call + *off_extra;  in hgcm_call_init_linaddr()
381 	struct vmmdev_hgcm_call *call, u32 client_id, u32 function,  in hgcm_call_init_call()  argument
386 		VMMDEV_HGCM_CALL_PARMS(call);  in hgcm_call_init_call()
387 	u32 i, off_extra = (uintptr_t)(dst_parm + parm_count) - (uintptr_t)call;  in hgcm_call_init_call()
390 	call->header.flags = 0;  in hgcm_call_init_call()
391 	call->header.result = VINF_SUCCESS;  in hgcm_call_init_call()
392 	call->client_id = client_id;  in hgcm_call_init_call()
393 	call->function = function;  in hgcm_call_init_call()
394 	call->parm_count = parm_count;  in hgcm_call_init_call()
406 			hgcm_call_init_linaddr(call, dst_parm, bounce_bufs[i],  in hgcm_call_init_call()
415 			hgcm_call_init_linaddr(call, dst_parm, buf,  in hgcm_call_init_call()
432 static int hgcm_cancel_call(struct vbg_dev *gdev, struct vmmdev_hgcm_call *call)  in hgcm_cancel_call()  argument
442 	gdev->cancel_req->phys_req_to_cancel = virt_to_phys(call);  in hgcm_cancel_call()
447 		call->header.flags |= VMMDEV_HGCM_REQ_CANCELLED;  in hgcm_cancel_call()
448 		call->header.header.request_type = VMMDEVREQ_HGCM_CANCEL;  in hgcm_cancel_call()
450 		rc = vbg_req_perform(gdev, call);  in hgcm_cancel_call()
456 		call->header.flags |= VMMDEV_HGCM_REQ_CANCELLED;  in hgcm_cancel_call()
470 static int vbg_hgcm_do_call(struct vbg_dev *gdev, struct vmmdev_hgcm_call *call,  in vbg_hgcm_do_call()  argument
478 	rc = vbg_req_perform(gdev, call);  in vbg_hgcm_do_call()
485 		call->header.result = rc;  in vbg_hgcm_do_call()
500 							   hgcm_req_done(gdev, &call->header),  in vbg_hgcm_do_call()
504 					     hgcm_req_done(gdev, &call->header),  in vbg_hgcm_do_call()
518 	cancel_rc = hgcm_cancel_call(gdev, call);  in vbg_hgcm_do_call()
532 				     hgcm_req_done(gdev, &call->header),  in vbg_hgcm_do_call()
557 	const struct vmmdev_hgcm_call *call,  in hgcm_call_copy_back_result()  argument
562 		VMMDEV_HGCM_CALL_PARMS(call);  in hgcm_call_copy_back_result()
612 	struct vmmdev_hgcm_call *call;  in vbg_hgcm_call()  local
630 	call = vbg_req_alloc(size, VMMDEVREQ_HGCM_CALL, requestor);  in vbg_hgcm_call()
631 	if (!call) {  in vbg_hgcm_call()
636 	hgcm_call_init_call(call, client_id, function, parms, parm_count,  in vbg_hgcm_call()
639 	ret = vbg_hgcm_do_call(gdev, call, timeout_ms,  in vbg_hgcm_call()
642 		*vbox_status = call->header.result;  in vbg_hgcm_call()
643 		ret = hgcm_call_copy_back_result(call, parms, parm_count,  in vbg_hgcm_call()
648 		vbg_req_free(call, size);  in vbg_hgcm_call()