1 /* SPDX-License-Identifier: GPL-2.0
3 * Copyright 2022 HabanaLabs, Ltd.
11 #include <drm/drm_file.h>
13 #define ACCEL_MAJOR 261
14 #define ACCEL_MAX_MINORS 256
17 * DRM_ACCEL_FOPS - Default drm accelerators file operations
19 * This macro provides a shorthand for setting the accelerator file ops in the
20 * &file_operations structure. If all you need are the default ops, use
21 * DEFINE_DRM_ACCEL_FOPS instead.
23 #define DRM_ACCEL_FOPS \
25 .release = drm_release,\
26 .unlocked_ioctl = drm_ioctl,\
27 .compat_ioctl = drm_compat_ioctl,\
33 * DEFINE_DRM_ACCEL_FOPS() - macro to generate file operations for accelerators drivers
34 * @name: name for the generated structure
36 * This macro autogenerates a suitable &struct file_operations for accelerators based
37 * drivers, which can be assigned to &drm_driver.fops. Note that this structure
38 * cannot be shared between drivers, because it contains a reference to the
39 * current module using THIS_MODULE.
41 * Note that the declaration is already marked as static - if you need a
42 * non-static version of this you're probably doing it wrong and will break the
43 * THIS_MODULE reference by accident.
45 #define DEFINE_DRM_ACCEL_FOPS(name) \
46 static const struct file_operations name = {\
47 .owner = THIS_MODULE,\
51 #if IS_ENABLED(CONFIG_DRM_ACCEL)
53 void accel_core_exit(void);
54 int accel_core_init(void);
55 void accel_minor_remove(int index);
56 int accel_minor_alloc(void);
57 void accel_minor_replace(struct drm_minor *minor, int index);
58 void accel_set_device_instance_params(struct device *kdev, int index);
59 int accel_open(struct inode *inode, struct file *filp);
60 void accel_debugfs_init(struct drm_minor *minor, int minor_id);
64 static inline void accel_core_exit(void)
68 static inline int __init accel_core_init(void)
70 /* Return 0 to allow drm_core_init to complete successfully */
74 static inline void accel_minor_remove(int index)
78 static inline int accel_minor_alloc(void)
83 static inline void accel_minor_replace(struct drm_minor *minor, int index)
87 static inline void accel_set_device_instance_params(struct device *kdev, int index)
91 static inline void accel_debugfs_init(struct drm_minor *minor, int minor_id)
95 #endif /* IS_ENABLED(CONFIG_DRM_ACCEL) */
97 #endif /* DRM_ACCEL_H_ */