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1/*2 * Copyright (C) 2009 Red Hat <bskeggs@redhat.com>3 *4 * Permission is hereby granted, free of charge, to any person obtaining5 * a copy of this software and associated documentation files (the6 * "Software"), to deal in the Software without restriction, including7 * without limitation the rights to use, copy, modify, merge, publish,8 * distribute, sublicense, and/or sell copies of the Software, and to9 * permit persons to whom the Software is furnished to do so, subject to10 * the following conditions:11 *12 * The above copyright notice and this permission notice (including the13 * next paragraph) shall be included in all copies or substantial14 * portions of the Software.15 *16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.19 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.23 *24 */25 26/*27 * Authors:28 * Alon Levy <alevy@redhat.com>29 */30 31#include <drm/drm_debugfs.h>32#include <drm/drm_file.h>33 34#include "qxl_drv.h"35#include "qxl_object.h"36 37#if defined(CONFIG_DEBUG_FS)38static int39qxl_debugfs_irq_received(struct seq_file *m, void *data)40{41 struct drm_info_node *node = (struct drm_info_node *) m->private;42 struct qxl_device *qdev = to_qxl(node->minor->dev);43 44 seq_printf(m, "%d\n", atomic_read(&qdev->irq_received));45 seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display));46 seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor));47 seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd));48 seq_printf(m, "%d\n", qdev->irq_received_error);49 return 0;50}51 52static int53qxl_debugfs_buffers_info(struct seq_file *m, void *data)54{55 struct drm_info_node *node = (struct drm_info_node *) m->private;56 struct qxl_device *qdev = to_qxl(node->minor->dev);57 struct qxl_bo *bo;58 59 list_for_each_entry(bo, &qdev->gem.objects, list) {60 struct dma_resv_iter cursor;61 struct dma_fence *fence;62 int rel = 0;63 64 dma_resv_iter_begin(&cursor, bo->tbo.base.resv,65 DMA_RESV_USAGE_BOOKKEEP);66 dma_resv_for_each_fence_unlocked(&cursor, fence) {67 if (dma_resv_iter_is_restarted(&cursor))68 rel = 0;69 ++rel;70 }71 72 seq_printf(m, "size %ld, pc %d, num releases %d\n",73 (unsigned long)bo->tbo.base.size,74 bo->tbo.pin_count, rel);75 }76 return 0;77}78 79static struct drm_info_list qxl_debugfs_list[] = {80 { "irq_received", qxl_debugfs_irq_received, 0, NULL },81 { "qxl_buffers", qxl_debugfs_buffers_info, 0, NULL },82};83#define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list)84#endif85 86void87qxl_debugfs_init(struct drm_minor *minor)88{89#if defined(CONFIG_DEBUG_FS)90 struct qxl_device *dev = to_qxl(minor->dev);91 92 drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,93 minor->debugfs_root, minor);94 95 qxl_ttm_debugfs_init(dev);96#endif97}98 99void qxl_debugfs_add_files(struct qxl_device *qdev,100 struct drm_info_list *files,101 unsigned int nfiles)102{103 unsigned int i;104 105 for (i = 0; i < qdev->debugfs_count; i++) {106 if (qdev->debugfs[i].files == files) {107 /* Already registered */108 return;109 }110 }111 112 i = qdev->debugfs_count + 1;113 if (i > QXL_DEBUGFS_MAX_COMPONENTS) {114 DRM_ERROR("Reached maximum number of debugfs components.\n");115 DRM_ERROR("Report so we increase QXL_DEBUGFS_MAX_COMPONENTS.\n");116 return;117 }118 qdev->debugfs[qdev->debugfs_count].files = files;119 qdev->debugfs[qdev->debugfs_count].num_files = nfiles;120 qdev->debugfs_count = i;121#if defined(CONFIG_DEBUG_FS)122 drm_debugfs_create_files(files, nfiles,123 qdev->ddev.primary->debugfs_root,124 qdev->ddev.primary);125#endif126}127