int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf) { struct qxl_rect rect; int ret; /* if we are evicting, we need to make sure the surface is up to date */ rect.left = 0; rect.right = surf->surf.width; rect.top = 0; rect.bottom = surf->surf.height; retry: ret = qxl_io_update_area(qdev, surf, &rect); if (ret == -ERESTARTSYS) goto retry; return ret; }
static int qxl_update_area_ioctl(struct drm_device *dev, void *data, struct drm_file *file) { struct qxl_device *qdev = dev->dev_private; struct drm_qxl_update_area *update_area = data; struct qxl_rect area = {.left = update_area->left, .top = update_area->top, .right = update_area->right, .bottom = update_area->bottom}; int ret; struct drm_gem_object *gobj = NULL; struct qxl_bo *qobj = NULL; if (update_area->left >= update_area->right || update_area->top >= update_area->bottom) return -EINVAL; gobj = drm_gem_object_lookup(file, update_area->handle); if (gobj == NULL) return -ENOENT; qobj = gem_to_qxl_bo(gobj); ret = qxl_bo_reserve(qobj, false); if (ret) goto out; if (!qobj->pin_count) { qxl_ttm_placement_from_domain(qobj, qobj->type, false); ret = ttm_bo_validate(&qobj->tbo, &qobj->placement, true, false); if (unlikely(ret)) goto out; } ret = qxl_bo_check_id(qdev, qobj); if (ret) goto out2; if (!qobj->surface_id) DRM_ERROR("got update area for surface with no id %d\n", update_area->handle); ret = qxl_io_update_area(qdev, qobj, &area); out2: qxl_bo_unreserve(qobj); out: drm_gem_object_unreference_unlocked(gobj); return ret; } static int qxl_getparam_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct qxl_device *qdev = dev->dev_private; struct drm_qxl_getparam *param = data; switch (param->param) { case QXL_PARAM_NUM_SURFACES: param->value = qdev->rom->n_surfaces; break; case QXL_PARAM_MAX_RELOCS: param->value = QXL_MAX_RES; break; default: return -EINVAL; } return 0; } static int qxl_clientcap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct qxl_device *qdev = dev->dev_private; struct drm_qxl_clientcap *param = data; int byte, idx; byte = param->index / 8; idx = param->index % 8; if (qdev->pdev->revision < 4) return -ENOSYS; if (byte >= 58) return -ENOSYS; if (qdev->rom->client_capabilities[byte] & (1 << idx)) return 0; return -ENOSYS; } static int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data, struct drm_file *file) { struct qxl_device *qdev = dev->dev_private; struct drm_qxl_alloc_surf *param = data; struct qxl_bo *qobj; int handle; int ret; int size, actual_stride; struct qxl_surface surf; /* work out size allocate bo with handle */ actual_stride = param->stride < 0 ? -param->stride : param->stride; size = actual_stride * param->height + actual_stride; surf.format = param->format; surf.width = param->width; surf.height = param->height; surf.stride = param->stride; surf.data = 0; ret = qxl_gem_object_create_with_handle(qdev, file, QXL_GEM_DOMAIN_SURFACE, size, &surf, &qobj, &handle); if (ret) { DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); return -ENOMEM; } else param->handle = handle; return ret; } const struct drm_ioctl_desc qxl_ioctls[] = { DRM_IOCTL_DEF_DRV(QXL_ALLOC, qxl_alloc_ioctl, DRM_AUTH), DRM_IOCTL_DEF_DRV(QXL_MAP, qxl_map_ioctl, DRM_AUTH), DRM_IOCTL_DEF_DRV(QXL_EXECBUFFER, qxl_execbuffer_ioctl, DRM_AUTH), DRM_IOCTL_DEF_DRV(QXL_UPDATE_AREA, qxl_update_area_ioctl, DRM_AUTH), DRM_IOCTL_DEF_DRV(QXL_GETPARAM, qxl_getparam_ioctl, DRM_AUTH), DRM_IOCTL_DEF_DRV(QXL_CLIENTCAP, qxl_clientcap_ioctl, DRM_AUTH), DRM_IOCTL_DEF_DRV(QXL_ALLOC_SURF, qxl_alloc_surf_ioctl, DRM_AUTH), }; int qxl_max_ioctls = ARRAY_SIZE(qxl_ioctls);