1 /* 2 * Copyright (C) 2015 Red Hat, Inc. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * 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 OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 #include <drm/drm_debugfs.h> 27 #include <drm/drm_file.h> 28 29 #include "virtgpu_drv.h" 30 31 static void virtio_add_bool(struct seq_file *m, const char *name, 32 bool value) 33 { 34 seq_printf(m, "%-16s : %s\n", name, value ? "yes" : "no"); 35 } 36 37 static void virtio_add_int(struct seq_file *m, const char *name, 38 int value) 39 { 40 seq_printf(m, "%-16s : %d\n", name, value); 41 } 42 43 static int virtio_gpu_features(struct seq_file *m, void *data) 44 { 45 struct drm_info_node *node = (struct drm_info_node *)m->private; 46 struct virtio_gpu_device *vgdev = node->minor->dev->dev_private; 47 48 virtio_add_bool(m, "virgl", vgdev->has_virgl_3d); 49 virtio_add_bool(m, "edid", vgdev->has_edid); 50 virtio_add_bool(m, "indirect", vgdev->has_indirect); 51 virtio_add_bool(m, "resource uuid", vgdev->has_resource_assign_uuid); 52 virtio_add_bool(m, "blob resources", vgdev->has_resource_blob); 53 virtio_add_int(m, "cap sets", vgdev->num_capsets); 54 virtio_add_int(m, "scanouts", vgdev->num_scanouts); 55 if (vgdev->host_visible_region.len) { 56 seq_printf(m, "%-16s : 0x%lx +0x%lx\n", "host visible region", 57 (unsigned long)vgdev->host_visible_region.addr, 58 (unsigned long)vgdev->host_visible_region.len); 59 } 60 return 0; 61 } 62 63 static int 64 virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data) 65 { 66 struct drm_info_node *node = (struct drm_info_node *) m->private; 67 struct virtio_gpu_device *vgdev = node->minor->dev->dev_private; 68 69 seq_printf(m, "fence %llu %lld\n", 70 (u64)atomic64_read(&vgdev->fence_drv.last_seq), 71 vgdev->fence_drv.sync_seq); 72 return 0; 73 } 74 75 static int 76 virtio_gpu_debugfs_host_visible_mm(struct seq_file *m, void *data) 77 { 78 struct drm_info_node *node = (struct drm_info_node *)m->private; 79 struct virtio_gpu_device *vgdev = node->minor->dev->dev_private; 80 struct drm_printer p; 81 82 if (!vgdev->has_host_visible) { 83 seq_puts(m, "Host allocations not visible to guest\n"); 84 return 0; 85 } 86 87 p = drm_seq_file_printer(m); 88 drm_mm_print(&vgdev->host_visible_mm, &p); 89 return 0; 90 } 91 92 static struct drm_info_list virtio_gpu_debugfs_list[] = { 93 { "virtio-gpu-features", virtio_gpu_features }, 94 { "virtio-gpu-irq-fence", virtio_gpu_debugfs_irq_info, 0, NULL }, 95 { "virtio-gpu-host-visible-mm", virtio_gpu_debugfs_host_visible_mm }, 96 }; 97 98 #define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list) 99 100 void 101 virtio_gpu_debugfs_init(struct drm_minor *minor) 102 { 103 drm_debugfs_create_files(virtio_gpu_debugfs_list, 104 VIRTIO_GPU_DEBUGFS_ENTRIES, 105 minor->debugfs_root, minor); 106 } 107