hw/spapr_pci.h

   1 /*
   2  * QEMU SPAPR PCI BUS definitions
   3  *
   4  * Copyright (c) 2011 Alexey Kardashevskiy <aik@au1.ibm.com>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #if !defined(__HW_SPAPR_H__)
  20 #error Please include spapr.h before this file!
  21 #endif
  22
  23 #if !defined(__HW_SPAPR_PCI_H__)
  24 #define __HW_SPAPR_PCI_H__
  25
  26 #include "hw/pci_host.h"
  27 #include "hw/xics.h"
  28
  29 #define SPAPR_PCI_NUM_LSI   16
  30
  31 typedef struct sPAPRPHBState {
  32     SysBusDevice busdev;
  33     PCIHostState host_state;
  34
  35     uint64_t buid;
  36     char *busname;
  37     char *dtbusname;
  38
  39     MemoryRegion memspace, iospace;
  40     target_phys_addr_t mem_win_addr, mem_win_size, io_win_addr, io_win_size;
  41     MemoryRegion memwindow, iowindow;
  42
  43     struct {
  44         uint32_t dt_irq;
  45         qemu_irq qirq;
  46     } lsi_table[SPAPR_PCI_NUM_LSI];
  47
  48     QLIST_ENTRY(sPAPRPHBState) list;
  49 } sPAPRPHBState;
  50
  51 #define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL
  52 #define SPAPR_PCI_IO_WIN_SIZE        0x10000
  53
  54 void spapr_create_phb(sPAPREnvironment *spapr,
  55                       const char *busname, uint64_t buid,
  56                       uint64_t mem_win_addr, uint64_t mem_win_size,
  57                       uint64_t io_win_addr);
  58
  59 int spapr_populate_pci_devices(sPAPRPHBState *phb,
  60                                uint32_t xics_phandle,
  61                                void *fdt);
  62
  63 #endif /* __HW_SPAPR_PCI_H__ */