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path: root/drivers/gpu/drm/qxl/qxl_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_debugfs.c')
-rw-r--r--drivers/gpu/drm/qxl/qxl_debugfs.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_debugfs.c b/drivers/gpu/drm/qxl/qxl_debugfs.c
new file mode 100644
index 00000000000..c3c2bbdc667
--- /dev/null
+++ b/drivers/gpu/drm/qxl/qxl_debugfs.c
@@ -0,0 +1,141 @@
+/*
+ * 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;
+
+ list_for_each_entry(bo, &qdev->gem.objects, list) {
+ seq_printf(m, "size %ld, pc %d, sync obj %p, num releases %d\n",
+ (unsigned long)bo->gem_base.size, bo->pin_count,
+ bo->tbo.sync_obj, bo->fence.num_active_releases);
+ }
+ 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
+}