/* * Internal Header for the Direct Rendering Manager * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * Copyright (c) 2009-2010, Code Aurora Forum. * All rights reserved. * * Author: Rickard E. (Rik) Faith <faith@valinux.com> * Author: Gareth Hughes <gareth@valinux.com> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE.
*/
/** * DRM_DEBUGFS_GPUVA_INFO - &drm_info_list entry to dump a GPU VA space * @show: the &drm_info_list's show callback * @data: driver private data * * Drivers should use this macro to define a &drm_info_list entry to provide a * debugfs file for dumping the GPU VA space regions and mappings. * * For each DRM GPU VA space drivers should call drm_debugfs_gpuva_info() from * their @show callback.
*/ #define DRM_DEBUGFS_GPUVA_INFO(show, data) {"gpuvas", show, DRIVER_GEM_GPUVA, data}
/** * struct drm_info_list - debugfs info list entry * * This structure represents a debugfs file to be created by the drm * core.
*/ struct drm_info_list { /** @name: file name */ constchar *name; /** * @show: * * Show callback. &seq_file->private will be set to the &struct * drm_info_node corresponding to the instance of this info on a given * &struct drm_minor.
*/ int (*show)(struct seq_file*, void*); /** @driver_features: Required driver features for this entry */
u32 driver_features; /** @data: Driver-private data, should not be device-specific. */ void *data;
};
/** * struct drm_info_node - Per-minor debugfs node structure * * This structure represents a debugfs file, as an instantiation of a &struct * drm_info_list on a &struct drm_minor. * * FIXME: * * No it doesn't make a hole lot of sense that we duplicate debugfs entries for * both the render and the primary nodes, but that's how this has organically * grown. It should probably be fixed, with a compatibility link, if needed.
*/ struct drm_info_node { /** @minor: &struct drm_minor for this node. */ struct drm_minor *minor; /** @info_ent: template for this node. */ conststruct drm_info_list *info_ent; /* private: */ struct list_head list; struct dentry *dent;
};
/** * struct drm_debugfs_info - debugfs info list entry * * This structure represents a debugfs file to be created by the drm * core.
*/ struct drm_debugfs_info { /** @name: File name */ constchar *name;
/** * @show: * * Show callback. &seq_file->private will be set to the &struct * drm_debugfs_entry corresponding to the instance of this info * on a given &struct drm_device.
*/ int (*show)(struct seq_file*, void*);
/** @driver_features: Required driver features for this entry. */
u32 driver_features;
/** @data: Driver-private data, should not be device-specific. */ void *data;
};
/** * struct drm_debugfs_entry - Per-device debugfs node structure * * This structure represents a debugfs file, as an instantiation of a &struct * drm_debugfs_info on a &struct drm_device.
*/ struct drm_debugfs_entry { /** @dev: &struct drm_device for this node. */ struct drm_device *dev;
/** @file: Template for this node. */ struct drm_debugfs_info file;
/** @list: Linked list of all device nodes. */ struct list_head list;
};
#ifdefined(CONFIG_DEBUG_FS) void drm_debugfs_create_files(conststruct drm_info_list *files, int count, struct dentry *root, struct drm_minor *minor); int drm_debugfs_remove_files(conststruct drm_info_list *files, int count, struct dentry *root, struct drm_minor *minor);
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