/* SPDX-License-Identifier: MIT */ #ifndef __NOVA_DRM_H__#define __NOVA_DRM_H__ #include "drm.h" /* DISCLAIMER: Do not use, this is not a stable uAPI. * * This uAPI serves only testing purposes as long as this driver is still in * development. It is required to implement and test infrastructure which is * upstreamed in the context of this driver. See also [1]. * * [1] https://lore.kernel.org/dri-devel/Zfsj0_tb-0-tNrJy@cassiopeiae/T/#u */ #if defined(__cplusplus)extern "C" {#endif /* * NOVA_GETPARAM_VRAM_BAR_SIZE * * Query the VRAM BAR size in bytes. */#define NOVA_GETPARAM_VRAM_BAR_SIZE	0x1 /** * struct drm_nova_getparam - query GPU and driver metadata */struct drm_nova_getparam {	/**	 * @param: The identifier of the parameter to query.	 */	__u64 param; 	/**	 * @value: The value for the specified parameter.	 */	__u64 value;}; /** * struct drm_nova_gem_create - create a new DRM GEM object */struct drm_nova_gem_create {	/**	 * @handle: The handle of the new DRM GEM object.	 */	__u32 handle; 	/**	 * @pad: 32 bit padding, should be 0.	 */	__u32 pad; 	/**	 * @size: The size of the new DRM GEM object.	 */	__u64 size;}; /** * struct drm_nova_gem_info - query DRM GEM object metadata */struct drm_nova_gem_info {	/**	 * @handle: The handle of the DRM GEM object to query.	 */	__u32 handle; 	/**	 * @pad: 32 bit padding, should be 0.	 */	__u32 pad; 	/**	 * @size: The size of the DRM GEM obejct.	 */	__u64 size;}; #define DRM_NOVA_GETPARAM		0x00#define DRM_NOVA_GEM_CREATE		0x01#define DRM_NOVA_GEM_INFO		0x02 /* Note: this is an enum so that it can be resolved by Rust bindgen. */enum {	DRM_IOCTL_NOVA_GETPARAM		= DRM_IOWR(DRM_COMMAND_BASE + DRM_NOVA_GETPARAM,						   struct drm_nova_getparam),	DRM_IOCTL_NOVA_GEM_CREATE	= DRM_IOWR(DRM_COMMAND_BASE + DRM_NOVA_GEM_CREATE,						   struct drm_nova_gem_create),	DRM_IOCTL_NOVA_GEM_INFO		= DRM_IOWR(DRM_COMMAND_BASE + DRM_NOVA_GEM_INFO,						   struct drm_nova_gem_info),}; #if defined(__cplusplus)}#endif #endif /* __NOVA_DRM_H__ */