hw/pci/pci-stub.c

   1 /*
   2  * PCI stubs for platforms that don't support pci bus.
   3  *
   4  * Copyright (c) 2010 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 #include "qemu/osdep.h"
  22 #include "monitor/monitor.h"
  23 #include "monitor/hmp.h"
  24 #include "qapi/qapi-commands-pci.h"
  25 #include "hw/pci/pci.h"
  26 #include "hw/pci/msi.h"
  27 #include "hw/pci/msix.h"
  28
  29 bool msi_nonbroken;
  30 bool pci_available;
  31
  32 PciInfoList *qmp_query_pci(Error **errp)
  33 {
  34     return NULL;
  35 }
  36
  37 void hmp_info_pci(Monitor *mon, const QDict *qdict)
  38 {
  39 }
  40
  41 void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict)
  42 {
  43     monitor_printf(mon, "PCI devices not supported\n");
  44 }
  45
  46 /* kvm-all wants this */
  47 MSIMessage pci_get_msi_message(PCIDevice *dev, int vector)
  48 {
  49     g_assert(false);
  50     return (MSIMessage){};
  51 }
  52
  53 uint16_t pci_requester_id(PCIDevice *dev)
  54 {
  55     g_assert(false);
  56     return 0;
  57 }
  58
  59 /* Required by ahci.c */
  60 bool msi_enabled(const PCIDevice *dev)
  61 {
  62     return false;
  63 }
  64
  65 void msi_notify(PCIDevice *dev, unsigned int vector)
  66 {
  67     g_assert_not_reached();
  68 }
  69
  70 /* Required by target/i386/kvm.c */
  71 bool msi_is_masked(const PCIDevice *dev, unsigned vector)
  72 {
  73     g_assert_not_reached();
  74 }
  75
  76 MSIMessage msi_get_message(PCIDevice *dev, unsigned int vector)
  77 {
  78     g_assert_not_reached();
  79 }
  80
  81 int msix_enabled(PCIDevice *dev)
  82 {
  83     return false;
  84 }
  85
  86 bool msix_is_masked(PCIDevice *dev, unsigned vector)
  87 {
  88     g_assert_not_reached();
  89 }
  90
  91 MSIMessage msix_get_message(PCIDevice *dev, unsigned int vector)
  92 {
  93     g_assert_not_reached();
  94 }