ca971bbfd8
This patch changes the top-level directory layout as a preparatory step for improving the tools for managing 3rd-party source codes. The rationale is described in the issue referenced below. Issue #1082
68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
/*
|
|
* \brief GPU driver interface
|
|
* \author Norman Feske
|
|
* \date 2010-07-28
|
|
*
|
|
* This interface is implemented by the GPU driver and used by the back-end
|
|
* of 'libdrm'. With the forthcoming work on the GPU infrastructure, it will
|
|
* change. It is an intermediate step - please do not use it.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2010-2013 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU General Public License version 2.
|
|
*/
|
|
|
|
#ifndef _GPU__DRIVER_H_
|
|
#define _GPU__DRIVER_H_
|
|
|
|
#include <base/stdint.h>
|
|
|
|
class Gpu_driver
|
|
{
|
|
public:
|
|
|
|
class Client;
|
|
|
|
/**
|
|
* Create client context
|
|
*/
|
|
virtual Client *create_client() = 0;
|
|
|
|
/**
|
|
* Return PCI device ID of GPU
|
|
*/
|
|
virtual uint16_t device_id() = 0;
|
|
|
|
/**
|
|
* Perform operation of GPU device
|
|
*
|
|
* \param request ioctl opcode relative to 'DRM_COMMAND_BASE'
|
|
*/
|
|
virtual int ioctl(Client *client, int request, void *arg) = 0;
|
|
|
|
/**
|
|
* Map buffer object to local address space
|
|
*
|
|
* \param handle client-local buffer-object handle
|
|
* \return base address of mapped buffer object
|
|
*/
|
|
virtual void *map_buffer_object(Client *client, long handle) = 0;
|
|
|
|
/**
|
|
* Remove buffer object from local address space
|
|
*
|
|
* \param handle client-local buffer-object handle
|
|
*/
|
|
virtual void unmap_buffer_object(Client *client, long handle) = 0;
|
|
};
|
|
|
|
/**
|
|
* Obtain GPU driver interface
|
|
*/
|
|
Gpu_driver *gpu_driver();
|
|
|
|
#endif /* _GPU__DRIVER_H_ */
|