150 lines
4.2 KiB
C
150 lines
4.2 KiB
C
/*
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* Copyright (C) 2009 Red Hat <bskeggs@redhat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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/*
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* Authors:
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* Alon Levy <alevy@redhat.com>
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*/
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#include <linux/debugfs.h>
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#include "drmP.h"
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#include "qxl_drv.h"
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#include "qxl_object.h"
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#if defined(CONFIG_DEBUG_FS)
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static int
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qxl_debugfs_irq_received(struct seq_file *m, void *data)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct qxl_device *qdev = node->minor->dev->dev_private;
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seq_printf(m, "%d\n", atomic_read(&qdev->irq_received));
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seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display));
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seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor));
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seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd));
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seq_printf(m, "%d\n", qdev->irq_received_error);
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return 0;
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}
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static int
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qxl_debugfs_buffers_info(struct seq_file *m, void *data)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct qxl_device *qdev = node->minor->dev->dev_private;
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struct qxl_bo *bo;
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list_for_each_entry(bo, &qdev->gem.objects, list) {
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struct reservation_object_list *fobj;
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int rel;
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rcu_read_lock();
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fobj = rcu_dereference(bo->tbo.resv->fence);
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rel = fobj ? fobj->shared_count : 0;
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rcu_read_unlock();
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seq_printf(m, "size %ld, pc %d, num releases %d\n",
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(unsigned long)bo->gem_base.size,
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bo->pin_count, rel);
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}
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return 0;
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}
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static struct drm_info_list qxl_debugfs_list[] = {
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{ "irq_received", qxl_debugfs_irq_received, 0, NULL },
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{ "qxl_buffers", qxl_debugfs_buffers_info, 0, NULL },
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};
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#define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list)
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#endif
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int
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qxl_debugfs_init(struct drm_minor *minor)
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{
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#if defined(CONFIG_DEBUG_FS)
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drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
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minor->debugfs_root, minor);
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#endif
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return 0;
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}
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void
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qxl_debugfs_takedown(struct drm_minor *minor)
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{
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#if defined(CONFIG_DEBUG_FS)
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drm_debugfs_remove_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
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minor);
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#endif
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}
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int qxl_debugfs_add_files(struct qxl_device *qdev,
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struct drm_info_list *files,
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unsigned nfiles)
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{
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unsigned i;
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for (i = 0; i < qdev->debugfs_count; i++) {
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if (qdev->debugfs[i].files == files) {
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/* Already registered */
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return 0;
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}
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}
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i = qdev->debugfs_count + 1;
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if (i > QXL_DEBUGFS_MAX_COMPONENTS) {
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DRM_ERROR("Reached maximum number of debugfs components.\n");
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DRM_ERROR("Report so we increase QXL_DEBUGFS_MAX_COMPONENTS.\n");
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return -EINVAL;
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}
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qdev->debugfs[qdev->debugfs_count].files = files;
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qdev->debugfs[qdev->debugfs_count].num_files = nfiles;
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qdev->debugfs_count = i;
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#if defined(CONFIG_DEBUG_FS)
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drm_debugfs_create_files(files, nfiles,
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qdev->ddev->control->debugfs_root,
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qdev->ddev->control);
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drm_debugfs_create_files(files, nfiles,
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qdev->ddev->primary->debugfs_root,
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qdev->ddev->primary);
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#endif
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return 0;
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}
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void qxl_debugfs_remove_files(struct qxl_device *qdev)
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{
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#if defined(CONFIG_DEBUG_FS)
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unsigned i;
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for (i = 0; i < qdev->debugfs_count; i++) {
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drm_debugfs_remove_files(qdev->debugfs[i].files,
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qdev->debugfs[i].num_files,
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qdev->ddev->control);
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drm_debugfs_remove_files(qdev->debugfs[i].files,
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qdev->debugfs[i].num_files,
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qdev->ddev->primary);
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}
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#endif
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}
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