diff options
Diffstat (limited to 'hw/pci/pcie_host.h')
-rw-r--r-- | hw/pci/pcie_host.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/hw/pci/pcie_host.h b/hw/pci/pcie_host.h new file mode 100644 index 0000000000..392193530d --- /dev/null +++ b/hw/pci/pcie_host.h @@ -0,0 +1,54 @@ +/* + * 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 "pci_host.h" +#include "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 */ |