/* * Copyright (C) 2009 Red Hat * * 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 THE COPYRIGHT OWNER(S) 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. * */ /* * Authors: * Ben Skeggs */ #include #include "nouveau_debugfs.h" #include "nouveau_drm.h" static int nouveau_debugfs_vbios_image(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct nouveau_drm *drm = nouveau_drm(node->minor->dev); int i; for (i = 0; i < drm->vbios.length; i++) seq_printf(m, "%c", drm->vbios.data[i]); return 0; } static struct drm_info_list nouveau_debugfs_list[] = { { "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL }, }; #define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list) static const struct nouveau_debugfs_files { const char *name; const struct file_operations *fops; } nouveau_debugfs_files[] = {}; static int nouveau_debugfs_create_file(struct drm_minor *minor, const struct nouveau_debugfs_files *ndf) { struct drm_info_node *node; node = kmalloc(sizeof(*node), GFP_KERNEL); if (node == NULL) return -ENOMEM; node->minor = minor; node->info_ent = (const void *)ndf->fops; node->dent = debugfs_create_file(ndf->name, S_IRUGO | S_IWUSR, minor->debugfs_root, node, ndf->fops); if (!node->dent) { kfree(node); return -ENOMEM; } mutex_lock(&minor->debugfs_lock); list_add(&node->list, &minor->debugfs_list); mutex_unlock(&minor->debugfs_lock); return 0; } int nouveau_drm_debugfs_init(struct drm_minor *minor) { int i, ret; for (i = 0; i < ARRAY_SIZE(nouveau_debugfs_files); i++) { ret = nouveau_debugfs_create_file(minor, &nouveau_debugfs_files[i]); if (ret) return ret; } return drm_debugfs_create_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES, minor->debugfs_root, minor); } void nouveau_drm_debugfs_cleanup(struct drm_minor *minor) { int i; drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES, minor); for (i = 0; i < ARRAY_SIZE(nouveau_debugfs_files); i++) { drm_debugfs_remove_files((struct drm_info_list *) nouveau_debugfs_files[i].fops, 1, minor); } }