drm/qxl: Move ioctl array next to its only user

Move the array qxl_ioctl to qxl_drv.c and initialize the num_ioctls
field of struct drm_driver at runtime. Replaces the current fragile
ioctl setup and allows for generating the module init/exit code.
Signed-off-by: NThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: NJavier Martinez Canillas <javierm@redhat.com>
Signed-off-by: NJavier Martinez Canillas <javierm@redhat.com>
Acked-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211217144615.32733-8-tzimmermann@suse.de

drivers/gpu/drm/qxl/qxl_drv.c

@@ -269,6 +269,16 @@ static struct pci_driver qxl_pci_driver = {
 	 .driver.pm = &qxl_pm_ops,
 };
 
+static 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),
+};
+
 static struct drm_driver qxl_driver = {
 	.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
 
@@ -282,6 +292,7 @@ static struct drm_driver qxl_driver = {
 	.gem_prime_import_sg_table = qxl_gem_prime_import_sg_table,
 	.fops = &qxl_fops,
 	.ioctls = qxl_ioctls,
+	.num_ioctls = ARRAY_SIZE(qxl_ioctls),
 	.name = DRIVER_NAME,
 	.desc = DRIVER_DESC,
 	.date = DRIVER_DATE,
@@ -299,7 +310,6 @@ static int __init qxl_init(void)
 
 	if (qxl_modeset == 0)
 		return -EINVAL;
-	qxl_driver.num_ioctls = qxl_max_ioctls;
 	return pci_register_driver(&qxl_pci_driver);
 }
 

drivers/gpu/drm/qxl/qxl_drv.h

@@ -65,7 +65,6 @@ struct dma_buf_map;
 #define QXL_DEBUGFS_MAX_COMPONENTS		32
 
 extern int qxl_num_crtc;
-extern int qxl_max_ioctls;
 
 #define QXL_INTERRUPT_MASK (\
 	QXL_INTERRUPT_DISPLAY |\
@@ -261,9 +260,6 @@ struct qxl_device {
 
 int qxl_debugfs_fence_init(struct qxl_device *rdev);
 
-extern const struct drm_ioctl_desc qxl_ioctls[];
-extern int qxl_max_ioctl;
-
 int qxl_device_init(struct qxl_device *qdev, struct pci_dev *pdev);
 void qxl_device_fini(struct qxl_device *qdev);
 
@@ -457,4 +453,13 @@ struct qxl_drv_surface *
 qxl_surface_lookup(struct drm_device *dev, int surface_id);
 void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool freeing);
 
+/* qxl_ioctl.c */
+int qxl_alloc_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
+int qxl_map_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
+int qxl_execbuffer_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
+int qxl_update_area_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
+int qxl_getparam_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
+int qxl_clientcap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
+int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
+
 #endif

drivers/gpu/drm/qxl/qxl_ioctl.c

@@ -33,8 +33,7 @@
  * TODO: allocating a new gem(in qxl_bo) for each request.
  * This is wasteful since bo's are page aligned.
  */
-static int qxl_alloc_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
+int qxl_alloc_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv)
 {
 	struct qxl_device *qdev = to_qxl(dev);
 	struct drm_qxl_alloc *qxl_alloc = data;
@@ -61,8 +60,7 @@ static int qxl_alloc_ioctl(struct drm_device *dev, void *data,
 	return 0;
 }
 
-static int qxl_map_ioctl(struct drm_device *dev, void *data,
-			 struct drm_file *file_priv)
+int qxl_map_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv)
 {
 	struct qxl_device *qdev = to_qxl(dev);
 	struct drm_qxl_map *qxl_map = data;
@@ -272,8 +270,7 @@ static int qxl_process_single_command(struct qxl_device *qdev,
 	return ret;
 }
 
-static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data,
-				struct drm_file *file_priv)
+int qxl_execbuffer_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv)
 {
 	struct qxl_device *qdev = to_qxl(dev);
 	struct drm_qxl_execbuffer *execbuffer = data;
@@ -297,8 +294,7 @@ static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data,
 	return 0;
 }
 
-static int qxl_update_area_ioctl(struct drm_device *dev, void *data,
-				 struct drm_file *file)
+int qxl_update_area_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 {
 	struct qxl_device *qdev = to_qxl(dev);
 	struct drm_qxl_update_area *update_area = data;
@@ -347,8 +343,7 @@ static int qxl_update_area_ioctl(struct drm_device *dev, void *data,
 	return ret;
 }
 
-static int qxl_getparam_ioctl(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv)
+int qxl_getparam_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv)
 {
 	struct qxl_device *qdev = to_qxl(dev);
 	struct drm_qxl_getparam *param = data;
@@ -366,8 +361,7 @@ static int qxl_getparam_ioctl(struct drm_device *dev, void *data,
 	return 0;
 }
 
-static int qxl_clientcap_ioctl(struct drm_device *dev, void *data,
-				  struct drm_file *file_priv)
+int qxl_clientcap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv)
 {
 	struct qxl_device *qdev = to_qxl(dev);
 	struct pci_dev *pdev = to_pci_dev(dev->dev);
@@ -388,8 +382,7 @@ static int qxl_clientcap_ioctl(struct drm_device *dev, void *data,
 	return -ENOSYS;
 }
 
-static int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data,
-				struct drm_file *file)
+int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 {
 	struct qxl_device *qdev = to_qxl(dev);
 	struct drm_qxl_alloc_surf *param = data;
@@ -422,23 +415,3 @@ static int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data,
 		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);