diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/gpu/drm/drm_debugfs.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/gpu/drm/drm_debugfs.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/ANDROID_3.4.5/drivers/gpu/drm/drm_debugfs.c b/ANDROID_3.4.5/drivers/gpu/drm/drm_debugfs.c deleted file mode 100644 index 1c7a1c0d..00000000 --- a/ANDROID_3.4.5/drivers/gpu/drm/drm_debugfs.c +++ /dev/null @@ -1,242 +0,0 @@ -/** - * \file drm_debugfs.c - * debugfs support for DRM - * - * \author Ben Gamari <bgamari@gmail.com> - */ - -/* - * Created: Sun Dec 21 13:08:50 2008 by bgamari@gmail.com - * - * Copyright 2008 Ben Gamari <bgamari@gmail.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. - */ - -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <linux/slab.h> -#include <linux/export.h> -#include "drmP.h" - -#if defined(CONFIG_DEBUG_FS) - -/*************************************************** - * Initialization, etc. - **************************************************/ - -static struct drm_info_list drm_debugfs_list[] = { - {"name", drm_name_info, 0}, - {"vm", drm_vm_info, 0}, - {"clients", drm_clients_info, 0}, - {"queues", drm_queues_info, 0}, - {"bufs", drm_bufs_info, 0}, - {"gem_names", drm_gem_name_info, DRIVER_GEM}, -#if DRM_DEBUG_CODE - {"vma", drm_vma_info, 0}, -#endif -}; -#define DRM_DEBUGFS_ENTRIES ARRAY_SIZE(drm_debugfs_list) - - -static int drm_debugfs_open(struct inode *inode, struct file *file) -{ - struct drm_info_node *node = inode->i_private; - - return single_open(file, node->info_ent->show, node); -} - - -static const struct file_operations drm_debugfs_fops = { - .owner = THIS_MODULE, - .open = drm_debugfs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - - -/** - * Initialize a given set of debugfs files for a device - * - * \param files The array of files to create - * \param count The number of files given - * \param root DRI debugfs dir entry. - * \param minor device minor number - * \return Zero on success, non-zero on failure - * - * Create a given set of debugfs files represented by an array of - * gdm_debugfs_lists in the given root directory. - */ -int drm_debugfs_create_files(struct drm_info_list *files, int count, - struct dentry *root, struct drm_minor *minor) -{ - struct drm_device *dev = minor->dev; - struct dentry *ent; - struct drm_info_node *tmp; - int i, ret; - - for (i = 0; i < count; i++) { - u32 features = files[i].driver_features; - - if (features != 0 && - (dev->driver->driver_features & features) != features) - continue; - - tmp = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL); - if (tmp == NULL) { - ret = -1; - goto fail; - } - ent = debugfs_create_file(files[i].name, S_IFREG | S_IRUGO, - root, tmp, &drm_debugfs_fops); - if (!ent) { - DRM_ERROR("Cannot create /sys/kernel/debug/dri/%s/%s\n", - root->d_name.name, files[i].name); - kfree(tmp); - ret = -1; - goto fail; - } - - tmp->minor = minor; - tmp->dent = ent; - tmp->info_ent = &files[i]; - - mutex_lock(&minor->debugfs_lock); - list_add(&tmp->list, &minor->debugfs_list); - mutex_unlock(&minor->debugfs_lock); - } - return 0; - -fail: - drm_debugfs_remove_files(files, count, minor); - return ret; -} -EXPORT_SYMBOL(drm_debugfs_create_files); - -/** - * Initialize the DRI debugfs filesystem for a device - * - * \param dev DRM device - * \param minor device minor number - * \param root DRI debugfs dir entry. - * - * Create the DRI debugfs root entry "/sys/kernel/debug/dri", the device debugfs root entry - * "/sys/kernel/debug/dri/%minor%/", and each entry in debugfs_list as - * "/sys/kernel/debug/dri/%minor%/%name%". - */ -int drm_debugfs_init(struct drm_minor *minor, int minor_id, - struct dentry *root) -{ - struct drm_device *dev = minor->dev; - char name[64]; - int ret; - - INIT_LIST_HEAD(&minor->debugfs_list); - mutex_init(&minor->debugfs_lock); - sprintf(name, "%d", minor_id); - minor->debugfs_root = debugfs_create_dir(name, root); - if (!minor->debugfs_root) { - DRM_ERROR("Cannot create /sys/kernel/debug/dri/%s\n", name); - return -1; - } - - ret = drm_debugfs_create_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES, - minor->debugfs_root, minor); - if (ret) { - debugfs_remove(minor->debugfs_root); - minor->debugfs_root = NULL; - DRM_ERROR("Failed to create core drm debugfs files\n"); - return ret; - } - - if (dev->driver->debugfs_init) { - ret = dev->driver->debugfs_init(minor); - if (ret) { - DRM_ERROR("DRM: Driver failed to initialize " - "/sys/kernel/debug/dri.\n"); - return ret; - } - } - return 0; -} - - -/** - * Remove a list of debugfs files - * - * \param files The list of files - * \param count The number of files - * \param minor The minor of which we should remove the files - * \return always zero. - * - * Remove all debugfs entries created by debugfs_init(). - */ -int drm_debugfs_remove_files(struct drm_info_list *files, int count, - struct drm_minor *minor) -{ - struct list_head *pos, *q; - struct drm_info_node *tmp; - int i; - - mutex_lock(&minor->debugfs_lock); - for (i = 0; i < count; i++) { - list_for_each_safe(pos, q, &minor->debugfs_list) { - tmp = list_entry(pos, struct drm_info_node, list); - if (tmp->info_ent == &files[i]) { - debugfs_remove(tmp->dent); - list_del(pos); - kfree(tmp); - } - } - } - mutex_unlock(&minor->debugfs_lock); - return 0; -} -EXPORT_SYMBOL(drm_debugfs_remove_files); - -/** - * Cleanup the debugfs filesystem resources. - * - * \param minor device minor number. - * \return always zero. - * - * Remove all debugfs entries created by debugfs_init(). - */ -int drm_debugfs_cleanup(struct drm_minor *minor) -{ - struct drm_device *dev = minor->dev; - - if (!minor->debugfs_root) - return 0; - - if (dev->driver->debugfs_cleanup) - dev->driver->debugfs_cleanup(minor); - - drm_debugfs_remove_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES, minor); - - debugfs_remove(minor->debugfs_root); - minor->debugfs_root = NULL; - - return 0; -} - -#endif /* CONFIG_DEBUG_FS */ - |