compute-runtime/shared/source/os_interface/linux/ioctl_helper.cpp

82 lines
3.3 KiB
C++

/*
* Copyright (C) 2021-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/os_interface/linux/ioctl_helper.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/helpers/ptr_math.h"
#include "shared/source/os_interface/linux/drm_neo.h"
#include "shared/source/os_interface/linux/drm_wrappers.h"
#include "drm/i915_drm.h"
#include <sstream>
namespace NEO {
uint32_t IoctlHelper::ioctl(Drm *drm, unsigned long request, void *arg) {
return drm->ioctl(request, arg);
}
void IoctlHelper::fillExecObject(ExecObject &execObject, uint32_t handle, uint64_t gpuAddress, uint32_t drmContextId, bool bindInfo, bool isMarkedForCapture) {
auto &drmExecObject = *reinterpret_cast<drm_i915_gem_exec_object2 *>(execObject.data);
drmExecObject.handle = handle;
drmExecObject.relocation_count = 0; //No relocations, we are SoftPinning
drmExecObject.relocs_ptr = 0ul;
drmExecObject.alignment = 0;
drmExecObject.offset = gpuAddress;
drmExecObject.flags = EXEC_OBJECT_PINNED | EXEC_OBJECT_SUPPORTS_48B_ADDRESS;
if (DebugManager.flags.UseAsyncDrmExec.get() == 1) {
drmExecObject.flags |= static_cast<decltype(drmExecObject.flags)>(EXEC_OBJECT_ASYNC);
}
if (isMarkedForCapture) {
drmExecObject.flags |= static_cast<decltype(drmExecObject.flags)>(EXEC_OBJECT_CAPTURE);
}
drmExecObject.rsvd1 = drmContextId;
drmExecObject.rsvd2 = 0;
if (bindInfo) {
drmExecObject.handle = 0u;
}
}
void IoctlHelper::logExecObject(const ExecObject &execObject, std::stringstream &logger, size_t size) {
auto &drmExecObject = *reinterpret_cast<const drm_i915_gem_exec_object2 *>(execObject.data);
logger << "Buffer Object = { handle: BO-" << drmExecObject.handle
<< ", address range: 0x" << reinterpret_cast<void *>(drmExecObject.offset)
<< " - 0x" << reinterpret_cast<void *>(ptrOffset(drmExecObject.offset, size))
<< ", flags: " << std::hex << drmExecObject.flags << std::dec
<< ", size: " << size << " }\n";
}
void IoctlHelper::fillExecBuffer(ExecBuffer &execBuffer, uintptr_t buffersPtr, uint32_t bufferCount, uint32_t startOffset, uint32_t size, uint64_t flags, uint32_t drmContextId) {
auto &drmExecBuffer = *reinterpret_cast<drm_i915_gem_execbuffer2 *>(execBuffer.data);
drmExecBuffer.buffers_ptr = buffersPtr;
drmExecBuffer.buffer_count = bufferCount;
drmExecBuffer.batch_start_offset = startOffset;
drmExecBuffer.batch_len = size;
drmExecBuffer.flags = flags;
drmExecBuffer.rsvd1 = drmContextId;
}
void IoctlHelper::logExecBuffer(const ExecBuffer &execBuffer, std::stringstream &logger) {
auto &drmExecBuffer = *reinterpret_cast<const drm_i915_gem_execbuffer2 *>(execBuffer.data);
logger << "drm_i915_gem_execbuffer2 { "
<< "buffer_ptr: " + std::to_string(drmExecBuffer.buffers_ptr)
<< ", buffer_count: " + std::to_string(drmExecBuffer.buffer_count)
<< ", batch_start_offset: " + std::to_string(drmExecBuffer.batch_start_offset)
<< ", batch_len: " + std::to_string(drmExecBuffer.batch_len)
<< ", flags: " + std::to_string(drmExecBuffer.flags)
<< ", rsvd1: " + std::to_string(drmExecBuffer.rsvd1)
<< " }\n";
}
} // namespace NEO