/* SPDX-License-Identifier: GPL-2.0 * * Copyright 2022 HabanaLabs, Ltd. * All Rights Reserved. * */ #ifndef DRM_ACCEL_H_#define DRM_ACCEL_H_ #include <drm/drm_file.h> #define ACCEL_MAJOR		261#define ACCEL_MAX_MINORS	256 /** * DRM_ACCEL_FOPS - Default drm accelerators file operations * * This macro provides a shorthand for setting the accelerator file ops in the * &file_operations structure.  If all you need are the default ops, use * DEFINE_DRM_ACCEL_FOPS instead. */#define DRM_ACCEL_FOPS \	.open		= accel_open,\	.release	= drm_release,\	.unlocked_ioctl	= drm_ioctl,\	.compat_ioctl	= drm_compat_ioctl,\	.poll		= drm_poll,\	.read		= drm_read,\	.llseek		= noop_llseek, \	.mmap		= drm_gem_mmap, \	.fop_flags	= FOP_UNSIGNED_OFFSET /** * DEFINE_DRM_ACCEL_FOPS() - macro to generate file operations for accelerators drivers * @name: name for the generated structure * * This macro autogenerates a suitable &struct file_operations for accelerators based * drivers, which can be assigned to &drm_driver.fops. Note that this structure * cannot be shared between drivers, because it contains a reference to the * current module using THIS_MODULE. * * Note that the declaration is already marked as static - if you need a * non-static version of this you're probably doing it wrong and will break the * THIS_MODULE reference by accident. */#define DEFINE_DRM_ACCEL_FOPS(name) \	static const struct file_operations name = {\		.owner		= THIS_MODULE,\		DRM_ACCEL_FOPS,\	} #if IS_ENABLED(CONFIG_DRM_ACCEL) extern struct xarray accel_minors_xa; void accel_core_exit(void);int accel_core_init(void);void accel_set_device_instance_params(struct device *kdev, int index);int accel_open(struct inode *inode, struct file *filp);void accel_debugfs_register(struct drm_device *dev); #else static inline void accel_core_exit(void){} static inline int __init accel_core_init(void){	/* Return 0 to allow drm_core_init to complete successfully */	return 0;} static inline void accel_set_device_instance_params(struct device *kdev, int index){} static inline void accel_debugfs_register(struct drm_device *dev){} #endif /* IS_ENABLED(CONFIG_DRM_ACCEL) */ #endif /* DRM_ACCEL_H_ */