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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:
* Alon Levy <alevy@redhat.com>
*/
#include <linux/debugfs.h>
#include "drmP.h"
#include "qxl_drv.h"
#include "qxl_object.h"
#if defined(CONFIG_DEBUG_FS)
static int
qxl_debugfs_irq_received(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct qxl_device *qdev = node->minor->dev->dev_private;
seq_printf(m, "%d\n", atomic_read(&qdev->irq_received));
seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display));
seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor));
seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd));
seq_printf(m, "%d\n", qdev->irq_received_error);
return 0;
}
static int
qxl_debugfs_buffers_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct qxl_device *qdev = node->minor->dev->dev_private;
struct qxl_bo *bo;
spin_lock(&qdev->release_lock);
list_for_each_entry(bo, &qdev->gem.objects, list) {
struct reservation_object_list *fobj;
int rel;
rcu_read_lock();
fobj = rcu_dereference(bo->tbo.resv->fence);
rel = fobj ? fobj->shared_count : 0;
rcu_read_unlock();
seq_printf(m, "size %ld, pc %d, num releases %d\n",
(unsigned long)bo->gem_base.size,
bo->pin_count, rel);
}
spin_unlock(&qdev->release_lock);
return 0;
}
static struct drm_info_list qxl_debugfs_list[] = {
{ "irq_received", qxl_debugfs_irq_received, 0, NULL },
{ "qxl_buffers", qxl_debugfs_buffers_info, 0, NULL },
};
#define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list)
#endif
int
qxl_debugfs_init(struct drm_minor *minor)
{
#if defined(CONFIG_DEBUG_FS)
drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
minor->debugfs_root, minor);
#endif
return 0;
}
void
qxl_debugfs_takedown(struct drm_minor *minor)
{
#if defined(CONFIG_DEBUG_FS)
drm_debugfs_remove_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
minor);
#endif
}
int qxl_debugfs_add_files(struct qxl_device *qdev,
struct drm_info_list *files,
unsigned nfiles)
{
unsigned i;
for (i = 0; i < qdev->debugfs_count; i++) {
if (qdev->debugfs[i].files == files) {
/* Already registered */
return 0;
}
}
i = qdev->debugfs_count + 1;
if (i > QXL_DEBUGFS_MAX_COMPONENTS) {
DRM_ERROR("Reached maximum number of debugfs components.\n");
DRM_ERROR("Report so we increase QXL_DEBUGFS_MAX_COMPONENTS.\n");
return -EINVAL;
}
qdev->debugfs[qdev->debugfs_count].files = files;
qdev->debugfs[qdev->debugfs_count].num_files = nfiles;
qdev->debugfs_count = i;
#if defined(CONFIG_DEBUG_FS)
drm_debugfs_create_files(files, nfiles,
qdev->ddev->control->debugfs_root,
qdev->ddev->control);
drm_debugfs_create_files(files, nfiles,
qdev->ddev->primary->debugfs_root,
qdev->ddev->primary);
#endif
return 0;
}
void qxl_debugfs_remove_files(struct qxl_device *qdev)
{
#if defined(CONFIG_DEBUG_FS)
unsigned i;
for (i = 0; i < qdev->debugfs_count; i++) {
drm_debugfs_remove_files(qdev->debugfs[i].files,
qdev->debugfs[i].num_files,
qdev->ddev->control);
drm_debugfs_remove_files(qdev->debugfs[i].files,
qdev->debugfs[i].num_files,
qdev->ddev->primary);
}
#endif
}
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