static void __exit netvsc_drv_exit(void)
{
vmbus_driver_unregister(&netvsc_drv);
}
static void __exit
hyperv_module_exit(void)
{
vmbus_driver_unregister(&hv_uio_drv);
}
static void __exit mousevsc_exit(void)
{
vmbus_driver_unregister(&mousevsc_drv);
}
static int hvfb_probe(struct hv_device *hdev,
const struct hv_vmbus_device_id *dev_id)
{
struct fb_info *info;
struct hvfb_par *par;
int ret;
info = framebuffer_alloc(sizeof(struct hvfb_par), &hdev->device);
if (!info) {
pr_err("No memory for framebuffer info\n");
return -ENOMEM;
}
par = info->par;
par->info = info;
par->fb_ready = false;
init_completion(&par->wait);
INIT_DELAYED_WORK(&par->dwork, hvfb_update_work);
/* Connect to VSP */
hv_set_drvdata(hdev, info);
ret = synthvid_connect_vsp(hdev);
if (ret) {
pr_err("Unable to connect to VSP\n");
goto error1;
}
ret = hvfb_getmem(info);
if (ret) {
pr_err("No memory for framebuffer\n");
goto error2;
}
hvfb_get_option(info);
pr_info("Screen resolution: %dx%d, Color depth: %d\n",
screen_width, screen_height, screen_depth);
/* Set up fb_info */
info->flags = FBINFO_DEFAULT;
info->var.xres_virtual = info->var.xres = screen_width;
info->var.yres_virtual = info->var.yres = screen_height;
info->var.bits_per_pixel = screen_depth;
if (info->var.bits_per_pixel == 16) {
info->var.red = (struct fb_bitfield){11, 5, 0};
info->var.green = (struct fb_bitfield){5, 6, 0};
info->var.blue = (struct fb_bitfield){0, 5, 0};
info->var.transp = (struct fb_bitfield){0, 0, 0};
} else {
info->var.red = (struct fb_bitfield){16, 8, 0};
info->var.green = (struct fb_bitfield){8, 8, 0};
info->var.blue = (struct fb_bitfield){0, 8, 0};
info->var.transp = (struct fb_bitfield){24, 8, 0};
}
info->var.activate = FB_ACTIVATE_NOW;
info->var.height = -1;
info->var.width = -1;
info->var.vmode = FB_VMODE_NONINTERLACED;
strcpy(info->fix.id, KBUILD_MODNAME);
info->fix.type = FB_TYPE_PACKED_PIXELS;
info->fix.visual = FB_VISUAL_TRUECOLOR;
info->fix.line_length = screen_width * screen_depth / 8;
info->fix.accel = FB_ACCEL_NONE;
info->fbops = &hvfb_ops;
info->pseudo_palette = par->pseudo_palette;
/* Send config to host */
ret = synthvid_send_config(hdev);
if (ret)
goto error;
ret = register_framebuffer(info);
if (ret) {
pr_err("Unable to register framebuffer\n");
goto error;
}
par->fb_ready = true;
par->synchronous_fb = false;
par->hvfb_panic_nb.notifier_call = hvfb_on_panic;
atomic_notifier_chain_register(&panic_notifier_list,
&par->hvfb_panic_nb);
return 0;
error:
hvfb_putmem(info);
error2:
vmbus_close(hdev->channel);
error1:
cancel_delayed_work_sync(&par->dwork);
hv_set_drvdata(hdev, NULL);
framebuffer_release(info);
return ret;
}
static int hvfb_remove(struct hv_device *hdev)
{
struct fb_info *info = hv_get_drvdata(hdev);
struct hvfb_par *par = info->par;
atomic_notifier_chain_unregister(&panic_notifier_list,
&par->hvfb_panic_nb);
par->update = false;
par->fb_ready = false;
unregister_framebuffer(info);
cancel_delayed_work_sync(&par->dwork);
vmbus_close(hdev->channel);
hv_set_drvdata(hdev, NULL);
hvfb_putmem(info);
framebuffer_release(info);
return 0;
}
static const struct pci_device_id pci_stub_id_table[] = {
{
.vendor = PCI_VENDOR_ID_MICROSOFT,
.device = PCI_DEVICE_ID_HYPERV_VIDEO,
},
{ /* end of list */ }
};
static const struct hv_vmbus_device_id id_table[] = {
/* Synthetic Video Device GUID */
{HV_SYNTHVID_GUID},
{}
};
MODULE_DEVICE_TABLE(pci, pci_stub_id_table);
MODULE_DEVICE_TABLE(vmbus, id_table);
static struct hv_driver hvfb_drv = {
.name = KBUILD_MODNAME,
.id_table = id_table,
.probe = hvfb_probe,
.remove = hvfb_remove,
};
static int hvfb_pci_stub_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
return 0;
}
static void hvfb_pci_stub_remove(struct pci_dev *pdev)
{
}
static struct pci_driver hvfb_pci_stub_driver = {
.name = KBUILD_MODNAME,
.id_table = pci_stub_id_table,
.probe = hvfb_pci_stub_probe,
.remove = hvfb_pci_stub_remove,
};
static int __init hvfb_drv_init(void)
{
int ret;
ret = vmbus_driver_register(&hvfb_drv);
if (ret != 0)
return ret;
ret = pci_register_driver(&hvfb_pci_stub_driver);
if (ret != 0) {
vmbus_driver_unregister(&hvfb_drv);
return ret;
}
return 0;
}
static void __exit hvfb_drv_exit(void)
{
pci_unregister_driver(&hvfb_pci_stub_driver);
vmbus_driver_unregister(&hvfb_drv);
}
module_init(hvfb_drv_init);
module_exit(hvfb_drv_exit);
MODULE_LICENSE("GPL");
MODULE_VERSION(HV_DRV_VERSION);
MODULE_DESCRIPTION("Microsoft Hyper-V Synthetic Video Frame Buffer Driver");
static void __exit hv_kbd_exit(void)
{
vmbus_driver_unregister(&hv_kbd_drv);
}
