1 /* 2 * pcie_host.h 3 * 4 * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp> 5 * VA Linux Systems Japan K.K. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef PCIE_HOST_H 22 #define PCIE_HOST_H 23 24 #include "hw/pci/pci_host.h" 25 #include "exec/memory.h" 26 27 #define TYPE_PCIE_HOST_BRIDGE "pcie-host-bridge" 28 #define PCIE_HOST_BRIDGE(obj) \ 29 OBJECT_CHECK(PCIExpressHost, (obj), TYPE_PCIE_HOST_BRIDGE) 30 31 /* pcie_host::base_addr == PCIE_BASE_ADDR_UNMAPPED when it isn't mapped. */ 32 #define PCIE_BASE_ADDR_UNMAPPED ((hwaddr)-1ULL) 33 34 struct PCIExpressHost { 35 PCIHostState pci; 36 37 /* express part */ 38 39 /* base address where MMCONFIG area is mapped. */ 40 hwaddr base_addr; 41 42 /* the size of MMCONFIG area. It's host bridge dependent */ 43 hwaddr size; 44 45 /* MMCONFIG mmio area */ 46 MemoryRegion mmio; 47 }; 48 49 int pcie_host_init(PCIExpressHost *e); 50 void pcie_host_mmcfg_unmap(PCIExpressHost *e); 51 void pcie_host_mmcfg_map(PCIExpressHost *e, hwaddr addr, uint32_t size); 52 void pcie_host_mmcfg_update(PCIExpressHost *e, 53 int enable, 54 hwaddr addr, 55 uint32_t size); 56 57 #endif /* PCIE_HOST_H */ 58