////////////////////////////////////////////////////////////////////////////////
/// Copyright (c) 2018, Evan Lojewski
/// All rights reserved.
/// 
/// Redistribution and use in source and binary forms, with or without
/// modification, are permitted provided that the following conditions are met:
///     * Redistributions of source code must retain the above copyright
///       notice, this list of conditions and the following disclaimer.
///     * Redistributions in binary form must reproduce the above copyright
///       notice, this list of conditions and the following disclaimer in the
///       documentation and/or other materials provided with the distribution.
///     * Neither the name of the <organization> nor the
///       names of its contributors may be used to endorse or promote products
///       derived from this software without specific prior written permission.
/// 
/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
/// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
/// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
/// DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
/// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
/// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
/// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
/// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
/// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
/// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
////////////////////////////////////////////////////////////////////////////////
#ifndef PCI_CONFIG_H
#define PCI_CONFIG_H

#include <stdint.h>

typedef struct  {
    uint16_t vendor_id;
    uint16_t device_id;

    uint16_t command;
    uint16_t device;

    uint8_t revision_id;
    uint8_t prog_if;
    uint8_t subdevclass;
    uint8_t devclass;

    uint8_t cache_line_size;
    uint8_t latency_timer;
    uint8_t header_type;
    uint8_t BIST;

    uint32_t BAR[6];

    uint32_t aus;

    uint16_t subsystem_vendor_id;
    uint16_t subsystem_id;

    uint32_t expansion_base;

    uint8_t capabilities;
    uint8_t rsvd[7];

    uint8_t int_line;
    uint8_t int_pin;
    uint8_t min_grant;
    uint8_t max_latency;
} __attribute__((packed)) pci_config_t;

#endif