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/*
* Copyright (C) 2021-2024 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/execution_environment/root_device_environment.h"
#include "shared/source/helpers/compiler_product_helper.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/os_interface/linux/drm_neo.h"
#include "shared/source/os_interface/linux/drm_wrappers.h"
#include "shared/source/os_interface/linux/sys_calls.h"
#include "drm.h"
#include <fcntl.h>
#include <sstream>
namespace NEO {
int IoctlHelper::ioctl(DrmIoctl request, void *arg) {
return drm.ioctl(request, arg);
}
int IoctlHelper::ioctl(int fd, DrmIoctl request, void *arg) {
return NEO::SysCalls::ioctl(fd, getIoctlRequestValue(request), arg);
}
void IoctlHelper::setupIpVersion() {
auto &rootDeviceEnvironment = drm.getRootDeviceEnvironment();
auto &hwInfo = *rootDeviceEnvironment.getMutableHardwareInfo();
auto &compilerProductHelper = rootDeviceEnvironment.getHelper<CompilerProductHelper>();
hwInfo.ipVersion.value = compilerProductHelper.getHwIpVersion(hwInfo);
}
uint32_t IoctlHelper::getFlagsForPrimeHandleToFd() const {
return DRM_CLOEXEC | DRM_RDWR;
}
unsigned int IoctlHelper::getIoctlRequestValueBase(DrmIoctl ioctlRequest) const {
switch (ioctlRequest) {
case DrmIoctl::gemClose:
return DRM_IOCTL_GEM_CLOSE;
case DrmIoctl::primeFdToHandle:
return DRM_IOCTL_PRIME_FD_TO_HANDLE;
case DrmIoctl::primeHandleToFd:
return DRM_IOCTL_PRIME_HANDLE_TO_FD;
default:
UNRECOVERABLE_IF(true);
return 0u;
}
}
std::string IoctlHelper::getIoctlStringBase(DrmIoctl ioctlRequest) const {
switch (ioctlRequest) {
case DrmIoctl::gemClose:
return "DRM_IOCTL_GEM_CLOSE";
case DrmIoctl::primeFdToHandle:
return "DRM_IOCTL_PRIME_FD_TO_HANDLE";
case DrmIoctl::primeHandleToFd:
return "DRM_IOCTL_PRIME_HANDLE_TO_FD";
default:
UNRECOVERABLE_IF(true);
return "";
}
}
bool IoctlHelper::checkIfIoctlReinvokeRequired(int error, DrmIoctl ioctlRequest) const {
return (error == EINTR || error == EAGAIN || error == EBUSY || error == -EBUSY);
}
} // namespace NEO
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