98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
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/*
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* Copyright(c) 2011-2017 Intel Corporation. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <linux/debugfs.h>
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#include "i915_drv.h"
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#include "gvt.h"
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/**
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* intel_gvt_debugfs_add_vgpu - register debugfs entries for a vGPU
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* @vgpu: a vGPU
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*
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* Returns:
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* Zero on success, negative error code if failed.
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*/
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int intel_gvt_debugfs_add_vgpu(struct intel_vgpu *vgpu)
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{
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struct dentry *ent;
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char name[10] = "";
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sprintf(name, "vgpu%d", vgpu->id);
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vgpu->debugfs = debugfs_create_dir(name, vgpu->gvt->debugfs_root);
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if (!vgpu->debugfs)
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return -ENOMEM;
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ent = debugfs_create_bool("active", 0444, vgpu->debugfs,
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&vgpu->active);
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if (!ent)
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return -ENOMEM;
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return 0;
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}
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/**
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* intel_gvt_debugfs_remove_vgpu - remove debugfs entries of a vGPU
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* @vgpu: a vGPU
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*/
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void intel_gvt_debugfs_remove_vgpu(struct intel_vgpu *vgpu)
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{
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debugfs_remove_recursive(vgpu->debugfs);
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vgpu->debugfs = NULL;
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}
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/**
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* intel_gvt_debugfs_init - register gvt debugfs root entry
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* @gvt: GVT device
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*
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* Returns:
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* zero on success, negative if failed.
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*/
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int intel_gvt_debugfs_init(struct intel_gvt *gvt)
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{
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struct drm_minor *minor = gvt->dev_priv->drm.primary;
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struct dentry *ent;
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gvt->debugfs_root = debugfs_create_dir("gvt", minor->debugfs_root);
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if (!gvt->debugfs_root) {
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gvt_err("Cannot create debugfs dir\n");
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return -ENOMEM;
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}
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ent = debugfs_create_ulong("num_tracked_mmio", 0444, gvt->debugfs_root,
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&gvt->mmio.num_tracked_mmio);
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if (!ent)
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return -ENOMEM;
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return 0;
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}
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/**
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* intel_gvt_debugfs_clean - remove debugfs entries
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* @gvt: GVT device
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*/
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void intel_gvt_debugfs_clean(struct intel_gvt *gvt)
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{
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debugfs_remove_recursive(gvt->debugfs_root);
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gvt->debugfs_root = NULL;
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}
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