virt/vboxguest/vboxguest_core.c

48 	struct vmmdev_hypervisorinfo *req;
55 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HYPERVISOR_INFO,
57 	if (!req)
60 	req->hypervisor_start = 0;
61 	req->hypervisor_size = 0;
62 	rc = vbg_req_perform(gdev, req);
70 	if (req->hypervisor_size == 0)
73 	hypervisor_size = req->hypervisor_size;
75 	size = PAGE_ALIGN(req->hypervisor_size) + SZ_4M;
98 		req->header.request_type = VMMDEVREQ_SET_HYPERVISOR_INFO;
99 		req->header.rc = VERR_INTERNAL_ERROR;
100 		req->hypervisor_size = hypervisor_size;
101 		req->hypervisor_start =
104 		rc = vbg_req_perform(gdev, req);
122 	vbg_req_free(req, sizeof(*req));
133 	struct vmmdev_hypervisorinfo *req;
143 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_HYPERVISOR_INFO,
145 	if (!req)
148 	req->hypervisor_start = 0;
149 	req->hypervisor_size = 0;
151 	rc = vbg_req_perform(gdev, req);
153 	vbg_req_free(req, sizeof(*req));
240 	struct vmmdev_guest_status *req;
243 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_REPORT_GUEST_STATUS,
245 	if (!req)
248 	req->facility = VBOXGUEST_FACILITY_TYPE_VBOXGUEST_DRIVER;
250 		req->status = VBOXGUEST_FACILITY_STATUS_ACTIVE;
252 		req->status = VBOXGUEST_FACILITY_STATUS_INACTIVE;
253 	req->flags = 0;
255 	rc = vbg_req_perform(gdev, req);
259 	vbg_req_free(req, sizeof(*req));
274 	struct vmmdev_memballoon_change *req = gdev->mem_balloon.change_req;
284 	req->header.size = sizeof(*req);
285 	req->inflate = true;
286 	req->pages = VMMDEV_MEMORY_BALLOON_CHUNK_PAGES;
295 		req->phys_page[i] = page_to_phys(pages[i]);
298 	rc = vbg_req_perform(gdev, req);
327 	struct vmmdev_memballoon_change *req = gdev->mem_balloon.change_req;
331 	req->header.size = sizeof(*req);
332 	req->inflate = false;
333 	req->pages = VMMDEV_MEMORY_BALLOON_CHUNK_PAGES;
336 		req->phys_page[i] = page_to_phys(pages[i]);
338 	rc = vbg_req_perform(gdev, req);
360 	struct vmmdev_memballoon_info *req = gdev->mem_balloon.get_req;
368 	req->event_ack = VMMDEV_EVENT_BALLOON_CHANGE_REQUEST;
369 	rc = vbg_req_perform(gdev, req);
381 			devm_kcalloc(gdev->dev, req->phys_mem_chunks,
386 		gdev->mem_balloon.max_chunks = req->phys_mem_chunks;
389 	chunks = req->balloon_chunks;
439 	struct vmmdev_heartbeat *req;
442 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_HEARTBEAT_CONFIGURE,
444 	if (!req)
447 	req->enabled = enabled;
448 	req->interval_ns = 0;
449 	rc = vbg_req_perform(gdev, req);
450 	do_div(req->interval_ns, 1000000); /* ns -> ms */
451 	gdev->heartbeat_interval_ms = req->interval_ns;
452 	vbg_req_free(req, sizeof(*req));
552 	struct vmmdev_mask *req;
555 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK,
557 	if (!req)
560 	req->not_mask = U32_MAX & ~fixed_events;
561 	req->or_mask = fixed_events;
562 	rc = vbg_req_perform(gdev, req);
566 	vbg_req_free(req, sizeof(*req));
592 	struct vmmdev_mask *req;
601 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK,
604 	if (!req) {
625 	if (gdev->event_filter_host == or_mask || !req)
629 	req->or_mask = or_mask;
630 	req->not_mask = ~or_mask;
631 	rc = vbg_req_perform(gdev, req);
647 	vbg_req_free(req, sizeof(*req));
661 	struct vmmdev_mask *req;
664 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES,
666 	if (!req)
669 	req->not_mask = U32_MAX;
670 	req->or_mask = 0;
671 	rc = vbg_req_perform(gdev, req);
675 	vbg_req_free(req, sizeof(*req));
693 	struct vmmdev_mask *req;
705 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES,
708 	if (!req) {
713 	req->or_mask = caps;
714 	req->not_mask = ~caps;
715 	rc = vbg_req_perform(gdev, req);
716 	vbg_req_free(req, sizeof(*req));
898 	struct vmmdev_host_version *req;
901 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HOST_VERSION,
903 	if (!req)
906 	rc = vbg_req_perform(gdev, req);
914 		 req->major, req->minor, req->build, req->revision);
915 	gdev->host_features = req->features;
920 	if (!(req->features & VMMDEV_HVF_HGCM_PHYS_PAGE_LIST)) {
926 	vbg_req_free(req, sizeof(*req));
1281  * @req:		The request.
1286 			   const struct vmmdev_request_header *req)
1291 	switch (req->request_type) {
1340 		guest_status = (const struct vmmdev_guest_status *)req;
1362 			req->request_type);
1369 			req->request_type);
1681 	struct vmmdev_write_core_dump *req;
1686 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_WRITE_COREDUMP,
1688 	if (!req)
1691 	req->flags = dump->u.in.flags;
1692 	dump->hdr.rc = vbg_req_perform(gdev, req);
1694 	vbg_req_free(req, sizeof(*req));
1701  * @req:	The requested function.
1706 int vbg_core_ioctl(struct vbg_session *session, unsigned int req, void *data)
1708 	unsigned int req_no_size = req & ~IOCSIZE_MASK;
1724 	    req == VBG_IOCTL_VMMDEV_REQUEST_BIG ||
1725 	    req == VBG_IOCTL_VMMDEV_REQUEST_BIG_ALT)
1732 	switch (req) {
1769 	vbg_err_ratelimited("Userspace made an unknown ioctl req %#08x\n", req);
1783 	struct vmmdev_mouse_status *req;
1786 	req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_MOUSE_STATUS,
1788 	if (!req)
1791 	req->mouse_features = features;
1792 	req->pointer_pos_x = 0;
1793 	req->pointer_pos_y = 0;
1795 	rc = vbg_req_perform(gdev, req);
1799 	vbg_req_free(req, sizeof(*req));
1807 	struct vmmdev_events *req = gdev->ack_events_req;
1817 	req->header.rc = VERR_INTERNAL_ERROR;
1818 	req->events = 0;
1819 	rc = vbg_req_perform(gdev, req);
1821 		vbg_err("Error performing events req, rc: %d\n", rc);
1825 	events = req->events;