44  * \param dev DRM device.
56 	struct drm_device *dev = master->minor->dev;  in drm_find_file()
59 	if (!drm_ht_find_item(&master->magiclist, (unsigned long)magic, &hash)) {  in drm_find_file()
61 		retval = pt->priv;  in drm_find_file()
70  * \param dev DRM device.
82 	struct drm_device *dev = master->minor->dev;  in drm_add_magic()
87 		return -ENOMEM;  in drm_add_magic()
88 	entry->priv = priv;  in drm_add_magic()
89 	entry->hash_item.key = (unsigned long)magic;  in drm_add_magic()
91 	drm_ht_insert_item(&master->magiclist, &entry->hash_item);  in drm_add_magic()
92 	list_add_tail(&entry->head, &master->magicfree);  in drm_add_magic()
101  * \param dev DRM device.
111 	struct drm_device *dev = master->minor->dev;  in drm_remove_magic()
116 	if (drm_ht_find_item(&master->magiclist, (unsigned long)magic, &hash)) {  in drm_remove_magic()
118 		return -EINVAL;  in drm_remove_magic()
121 	drm_ht_remove_item(&master->magiclist, hash);  in drm_remove_magic()
122 	list_del(&pt->head);  in drm_remove_magic()
131  * Get a unique magic number (ioctl).
133  * \param inode device inode.
140  * searches an unique non-zero magic number and add it associating it with \p
150 	/* Find unique magic */  in drm_getmagic()
151 	if (file_priv->magic) {  in drm_getmagic()
152 		auth->magic = file_priv->magic;  in drm_getmagic()
158 			auth->magic = sequence++;  in drm_getmagic()
160 		} while (drm_find_file(file_priv->master, auth->magic));  in drm_getmagic()
161 		file_priv->magic = auth->magic;  in drm_getmagic()
162 		drm_add_magic(file_priv->master, file_priv, auth->magic);  in drm_getmagic()
165 	DRM_DEBUG("%u\n", auth->magic);  in drm_getmagic()
173  * \param inode device inode.
189 	DRM_DEBUG("%u\n", auth->magic);  in drm_authmagic()
190 	if ((file = drm_find_file(file_priv->master, auth->magic))) {  in drm_authmagic()
191 		file->authenticated = 1;  in drm_authmagic()
192 		drm_remove_magic(file_priv->master, auth->magic);  in drm_authmagic()
195 	return -EINVAL;  in drm_authmagic()