include/drm/drm_ioctl.h

38 #include <asm/ioctl.h>
45  * drm_ioctl_t - DRM ioctl function type.
47  * @data: private pointer of the ioctl call
48  * @file_priv: DRM file this ioctl was made on
50  * This is the DRM ioctl typedef. Note that drm_ioctl() has alrady copied @data
52  * settings in the ioctl command code.
58  * drm_ioctl_compat_t - compatibility DRM ioctl function type.
60  * @cmd: ioctl command code
61  * @arg: DRM file this ioctl was made on
64  * New drivers shouldn't screw up the structure layout for their ioctl
74  * enum drm_ioctl_flags - DRM ioctl flags
77  * userspace can use a given ioctl.
83 	 * This is for ioctl which are used for rendering, and require that the
91 	 * This must be set for any ioctl which can change the modeset or
92 	 * display state. Userspace must call the ioctl through a primary node,
95 	 * Note that read-only modeset ioctl can also be called by
105 	 * DROPMASTER ioctl, which e.g. logind can call to force a non-behaving
118 	 * Do not use anywhere else than for the VBLANK_WAIT IOCTL, which is the
119 	 * only legacy IOCTL which needs this.
125 	 * This is used for all ioctl needed for rendering only, for drivers
127 	 * and hence it should be always set for any ioctl with DRM_AUTH set.
128 	 * Note though that read-only query ioctl might have this set, but have
135  * struct drm_ioctl_desc - DRM driver ioctl entry
136  * @cmd: ioctl command number, without flags
138  * @func: handler for this ioctl
153  * @ioctl: ioctl command suffix
154  * @_func: handler for the ioctl
157  * Small helper macro to create a &struct drm_ioctl_desc entry. The ioctl
161 #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags)				\  argument
162 	[DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {	\
163 		.cmd = DRM_IOCTL_##ioctl,				\
166 		.name = #ioctl						\