x86_multiboot/boot/include/fpinfo.h

Go to the documentation of this file.

/*******************************************************************************/
/*  © Université de Lille, The Pip Development Team (2015-2021)                */
/*                                                                             */
/*  This software is a computer program whose purpose is to run a minimal,     */
/*  hypervisor relying on proven properties such as memory isolation.          */
/*                                                                             */
/*  This software is governed by the CeCILL license under French law and       */
/*  abiding by the rules of distribution of free software.  You can  use,      */
/*  modify and/ or redistribute the software under the terms of the CeCILL     */
/*  license as circulated by CEA, CNRS and INRIA at the following URL          */
/*  "http://www.cecill.info".                                                  */
/*                                                                             */
/*  As a counterpart to the access to the source code and  rights to copy,     */
/*  modify and redistribute granted by the license, users are provided only    */
/*  with a limited warranty  and the software's author,  the holder of the     */
/*  economic rights,  and the successive licensors  have only  limited         */
/*  liability.                                                                 */
/*                                                                             */
/*  In this respect, the user's attention is drawn to the risks associated     */
/*  with loading,  using,  modifying and/or developing or reproducing the      */
/*  software by the user in light of its specific status of free software,     */
/*  that may mean  that it is complicated to manipulate,  and  that  also      */
/*  therefore means  that it is reserved for developers  and  experienced      */
/*  professionals having in-depth computer knowledge. Users are therefore      */
/*  encouraged to load and test the software's suitability as regards their    */
/*  requirements in conditions enabling the security of their systems and/or   */
/*  data to be ensured and,  more generally, to use and operate it in the      */
/*  same conditions as regards security.                                       */
/*                                                                             */
/*  The fact that you are presently reading this means that you have had       */
/*  knowledge of the CeCILL license and that you accept its terms.             */
/*******************************************************************************/

#ifndef __FPINFO__
#define __FPINFO__

#define FPINFO_MAGIC 0xDEADCAFE

enum fpinfo_devicetype {BUILTIN, PCI, OTHER};

typedef struct fpinfo_pci_extendedinfo 
{
    uint8_t device_class; 
    uint8_t device_subclass; 
    uint8_t bus; 
    uint8_t slot; 
} pip_fpinfo_pci_extendedinfo;

typedef struct fpinfo_device {
    enum fpinfo_devicetype type; 
    uintptr_t mmio_begin; 
    uintptr_t mmio_end; 
    uint32_t io_begin; 
    uint32_t io_end; 
    struct fpinfo_pci_extendedinfo *extended_info; 
} pip_fpinfo_device;

typedef struct fpinfotag_hw
{
    uint32_t hwcount; 
    pip_fpinfo_device *devices; 
} pip_fpinfotag_hw;

typedef struct fpinfo {
    uint32_t magic; 
    uint32_t membegin; 
    uint32_t memend; 
    char revision[64]; 
    pip_fpinfotag_hw hwinfo; 
} pip_fpinfo;

#endif