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8b57d28116
Include files are now grouped and sorted in following order: 1. Header file of the class the current file implements 2. Project files 3. Third party files 4. Standard library Change-Id: If31af05652184169f7fee1d7ad08f1b2ed602cf0 Signed-off-by: Filip Hazubski <filip.hazubski@intel.com>
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/*
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* Copyright (C) 2017-2019 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include "runtime/os_interface/linux/drm_neo.h"
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#include "runtime/os_interface/linux/os_time_linux.h"
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#include "drm/i915_drm.h"
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#include <cstdio>
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namespace OCLRT {
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class DrmNullDevice : public Drm {
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friend Drm;
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friend DeviceFactory;
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public:
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int ioctl(unsigned long request, void *arg) override {
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if (request == DRM_IOCTL_I915_GETPARAM) {
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return Drm::ioctl(request, arg);
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} else if (request == DRM_IOCTL_I915_REG_READ) {
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struct drm_i915_reg_read *regArg = static_cast<struct drm_i915_reg_read *>(arg);
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// Handle only 36b timestamp
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if (regArg->offset == (TIMESTAMP_LOW_REG | 1)) {
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gpuTimestamp += 1000;
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regArg->val = gpuTimestamp & 0x0000000FFFFFFFFF;
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} else if (regArg->offset == TIMESTAMP_LOW_REG || regArg->offset == TIMESTAMP_HIGH_REG) {
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return -1;
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}
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return 0;
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} else {
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return 0;
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}
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}
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protected:
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DrmNullDevice(int fd) : Drm(fd), gpuTimestamp(0){};
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uint64_t gpuTimestamp;
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};
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} // namespace OCLRT
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