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5edbb56082
If the virtio device supports indirect ring descriptors we need only one ring entry for the whole command. Take that into account when checking whenever the virtqueue has enough free entries for our command. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Chia-I Wu <olvaffe@gmail.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200207064653.14403-1-kraxel@redhat.com
82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/*
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* Copyright (C) 2015 Red Hat, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <drm/drm_debugfs.h>
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#include <drm/drm_file.h>
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#include "virtgpu_drv.h"
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static void virtio_add_bool(struct seq_file *m, const char *name,
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bool value)
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{
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seq_printf(m, "%-16s : %s\n", name, value ? "yes" : "no");
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}
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static void virtio_add_int(struct seq_file *m, const char *name,
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int value)
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{
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seq_printf(m, "%-16s : %d\n", name, value);
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}
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static int virtio_gpu_features(struct seq_file *m, void *data)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
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virtio_add_bool(m, "virgl", vgdev->has_virgl_3d);
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virtio_add_bool(m, "edid", vgdev->has_edid);
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virtio_add_bool(m, "indirect", vgdev->has_indirect);
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virtio_add_int(m, "cap sets", vgdev->num_capsets);
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virtio_add_int(m, "scanouts", vgdev->num_scanouts);
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return 0;
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}
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static int
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virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
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seq_printf(m, "fence %llu %lld\n",
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(u64)atomic64_read(&vgdev->fence_drv.last_seq),
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vgdev->fence_drv.sync_seq);
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return 0;
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}
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static struct drm_info_list virtio_gpu_debugfs_list[] = {
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{ "virtio-gpu-features", virtio_gpu_features },
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{ "virtio-gpu-irq-fence", virtio_gpu_debugfs_irq_info, 0, NULL },
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};
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#define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list)
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int
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virtio_gpu_debugfs_init(struct drm_minor *minor)
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{
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drm_debugfs_create_files(virtio_gpu_debugfs_list,
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VIRTIO_GPU_DEBUGFS_ENTRIES,
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minor->debugfs_root, minor);
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return 0;
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}
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