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/*
* Copyright (C) 2009 Red Hat <bskeggs@redhat.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 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 <bskeggs@redhat.com>
*/
#include <linux/debugfs.h>
#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_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_debugfs_takedown(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);
}
}
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