diff options
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/qxl/qxl_debugfs.c | 141 |
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 0000000..c3c2bbd --- /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 +} |