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1/*2 * Copyright (C) 2015 Red Hat, Inc.3 * All Rights Reserved.4 *5 * Permission is hereby granted, free of charge, to any person obtaining6 * a copy of this software and associated documentation files (the7 * "Software"), to deal in the Software without restriction, including8 * without limitation the rights to use, copy, modify, merge, publish,9 * distribute, sublicense, and/or sell copies of the Software, and to10 * permit persons to whom the Software is furnished to do so, subject to11 * the following conditions:12 *13 * The above copyright notice and this permission notice (including the14 * next paragraph) shall be included in all copies or substantial15 * portions of the Software.16 *17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.24 */25 26#include <linux/string_helpers.h>27 28#include <drm/drm_debugfs.h>29#include <drm/drm_file.h>30 31#include "virtgpu_drv.h"32 33static void virtio_gpu_add_bool(struct seq_file *m, const char *name,34 bool value)35{36 seq_printf(m, "%-16s : %s\n", name, str_yes_no(value));37}38 39static void virtio_gpu_add_int(struct seq_file *m, const char *name, int value)40{41 seq_printf(m, "%-16s : %d\n", name, value);42}43 44static int virtio_gpu_features(struct seq_file *m, void *data)45{46 struct drm_info_node *node = (struct drm_info_node *)m->private;47 struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;48 49 virtio_gpu_add_bool(m, "virgl", vgdev->has_virgl_3d);50 virtio_gpu_add_bool(m, "edid", vgdev->has_edid);51 virtio_gpu_add_bool(m, "indirect", vgdev->has_indirect);52 53 virtio_gpu_add_bool(m, "resource uuid",54 vgdev->has_resource_assign_uuid);55 56 virtio_gpu_add_bool(m, "blob resources", vgdev->has_resource_blob);57 virtio_gpu_add_bool(m, "context init", vgdev->has_context_init);58 virtio_gpu_add_int(m, "cap sets", vgdev->num_capsets);59 virtio_gpu_add_int(m, "scanouts", vgdev->num_scanouts);60 if (vgdev->host_visible_region.len) {61 seq_printf(m, "%-16s : 0x%lx +0x%lx\n", "host visible region",62 (unsigned long)vgdev->host_visible_region.addr,63 (unsigned long)vgdev->host_visible_region.len);64 }65 return 0;66}67 68static int69virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data)70{71 struct drm_info_node *node = (struct drm_info_node *) m->private;72 struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;73 74 seq_printf(m, "fence %llu %lld\n",75 (u64)atomic64_read(&vgdev->fence_drv.last_fence_id),76 vgdev->fence_drv.current_fence_id);77 return 0;78}79 80static int81virtio_gpu_debugfs_host_visible_mm(struct seq_file *m, void *data)82{83 struct drm_info_node *node = (struct drm_info_node *)m->private;84 struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;85 struct drm_printer p;86 87 if (!vgdev->has_host_visible) {88 seq_puts(m, "Host allocations not visible to guest\n");89 return 0;90 }91 92 p = drm_seq_file_printer(m);93 drm_mm_print(&vgdev->host_visible_mm, &p);94 return 0;95}96 97static struct drm_info_list virtio_gpu_debugfs_list[] = {98 { "virtio-gpu-features", virtio_gpu_features },99 { "virtio-gpu-irq-fence", virtio_gpu_debugfs_irq_info, 0, NULL },100 { "virtio-gpu-host-visible-mm", virtio_gpu_debugfs_host_visible_mm },101};102 103#define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list)104 105void106virtio_gpu_debugfs_init(struct drm_minor *minor)107{108 drm_debugfs_create_files(virtio_gpu_debugfs_list,109 VIRTIO_GPU_DEBUGFS_ENTRIES,110 minor->debugfs_root, minor);111}112