Archipelago » qemu

/*

 * pcie_host.h

 *

 * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>

 *                    VA Linux Systems Japan K.K.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License along

 * with this program; if not, see <http://www.gnu.org/licenses/>.

 */

#ifndef PCIE_HOST_H

#define PCIE_HOST_H

#include "hw/pci/pci_host.h"

#include "exec/memory.h"

#define TYPE_PCIE_HOST_BRIDGE "pcie-host-bridge"

#define PCIE_HOST_BRIDGE(obj) \

    OBJECT_CHECK(PCIExpressHost, (obj), TYPE_PCIE_HOST_BRIDGE)

struct PCIExpressHost {

    PCIHostState pci;

    /* express part */

    /* base address where MMCONFIG area is mapped. */

    hwaddr  base_addr;

    /* the size of MMCONFIG area. It's host bridge dependent */

    hwaddr  size;

    /* MMCONFIG mmio area */

    MemoryRegion mmio;

};

int pcie_host_init(PCIExpressHost *e);

void pcie_host_mmcfg_unmap(PCIExpressHost *e);

void pcie_host_mmcfg_map(PCIExpressHost *e, hwaddr addr, uint32_t size);

void pcie_host_mmcfg_update(PCIExpressHost *e,

                            int enable,

                            hwaddr addr,

                            uint32_t size);

#endif /* PCIE_HOST_H */