diff options
Diffstat (limited to 'drivers/gpu/drm/drm_proc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_proc.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c deleted file mode 100644 index d7f2324b4fb1..000000000000 --- a/drivers/gpu/drm/drm_proc.c +++ /dev/null @@ -1,209 +0,0 @@ -/** - * \file drm_proc.c - * /proc support for DRM - * - * \author Rickard E. (Rik) Faith <faith@valinux.com> - * \author Gareth Hughes <gareth@valinux.com> - * - * \par Acknowledgements: - * Matthew J Sottek <matthew.j.sottek@intel.com> sent in a patch to fix - * the problem with the proc files not outputting all their information. - */ - -/* - * Created: Mon Jan 11 09:48:47 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * 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/seq_file.h> -#include <linux/slab.h> -#include <linux/export.h> -#include <drm/drmP.h> - -/*************************************************** - * Initialization, etc. - **************************************************/ - -/** - * Proc file list. - */ -static const struct drm_info_list drm_proc_list[] = { - {"name", drm_name_info, 0}, - {"vm", drm_vm_info, 0}, - {"clients", drm_clients_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_PROC_ENTRIES ARRAY_SIZE(drm_proc_list) - -static int drm_proc_open(struct inode *inode, struct file *file) -{ - struct drm_info_node* node = PDE_DATA(inode); - - return single_open(file, node->info_ent->show, node); -} - -static const struct file_operations drm_proc_fops = { - .owner = THIS_MODULE, - .open = drm_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - - -/** - * Initialize a given set of proc files for a device - * - * \param files The array of files to create - * \param count The number of files given - * \param root DRI proc dir entry. - * \param minor device minor number - * \return Zero on success, non-zero on failure - * - * Create a given set of proc files represented by an array of - * gdm_proc_lists in the given root directory. - */ -static int drm_proc_create_files(const struct drm_info_list *files, int count, - struct proc_dir_entry *root, struct drm_minor *minor) -{ - struct drm_device *dev = minor->dev; - struct proc_dir_entry *ent; - struct drm_info_node *tmp; - int i; - - 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) - return -1; - - tmp->minor = minor; - tmp->info_ent = &files[i]; - list_add(&tmp->list, &minor->proc_nodes.list); - - ent = proc_create_data(files[i].name, S_IRUGO, root, - &drm_proc_fops, tmp); - if (!ent) { - DRM_ERROR("Cannot create /proc/dri/%u/%s\n", - minor->index, files[i].name); - list_del(&tmp->list); - kfree(tmp); - return -1; - } - } - return 0; -} - -/** - * Initialize the DRI proc filesystem for a device - * - * \param dev DRM device - * \param root DRI proc dir entry. - * \param dev_root resulting DRI device proc dir entry. - * \return root entry pointer on success, or NULL on failure. - * - * Create the DRI proc root entry "/proc/dri", the device proc root entry - * "/proc/dri/%minor%/", and each entry in proc_list as - * "/proc/dri/%minor%/%name%". - */ -int drm_proc_init(struct drm_minor *minor, struct proc_dir_entry *root) -{ - char name[12]; - int ret; - - INIT_LIST_HEAD(&minor->proc_nodes.list); - sprintf(name, "%u", minor->index); - minor->proc_root = proc_mkdir(name, root); - if (!minor->proc_root) { - DRM_ERROR("Cannot create /proc/dri/%s\n", name); - return -1; - } - - ret = drm_proc_create_files(drm_proc_list, DRM_PROC_ENTRIES, - minor->proc_root, minor); - if (ret) { - remove_proc_subtree(name, root); - minor->proc_root = NULL; - DRM_ERROR("Failed to create core drm proc files\n"); - return ret; - } - - return 0; -} - -static int drm_proc_remove_files(const struct drm_info_list *files, int count, - struct drm_minor *minor) -{ - struct list_head *pos, *q; - struct drm_info_node *tmp; - int i; - - for (i = 0; i < count; i++) { - list_for_each_safe(pos, q, &minor->proc_nodes.list) { - tmp = list_entry(pos, struct drm_info_node, list); - if (tmp->info_ent == &files[i]) { - remove_proc_entry(files[i].name, - minor->proc_root); - list_del(pos); - kfree(tmp); - } - } - } - return 0; -} - -/** - * Cleanup the proc filesystem resources. - * - * \param minor device minor number. - * \param root DRI proc dir entry. - * \param dev_root DRI device proc dir entry. - * \return always zero. - * - * Remove all proc entries created by proc_init(). - */ -int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root) -{ - char name[64]; - - if (!root || !minor->proc_root) - return 0; - - drm_proc_remove_files(drm_proc_list, DRM_PROC_ENTRIES, minor); - - sprintf(name, "%d", minor->index); - remove_proc_subtree(name, root); - return 0; -} - |