qemu-e2k/hw/pci/pci-stub.c
Paolo Bonzini ec5ce147a6 pci-stub: add more MSI functions
On x86, KVM needs some function from the PCI subsystem in order to set
up interrupt routes.  Provide some stubs to support x86 machines that
lack PCI.

Reviewed-by: Sergio Lopez <slp@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-12-17 19:33:49 +01:00

94 lines
2.1 KiB
C

/*
* PCI stubs for platforms that don't support pci bus.
*
* Copyright (c) 2010 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/>.
*/
#include "qemu/osdep.h"
#include "sysemu/sysemu.h"
#include "monitor/monitor.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-misc.h"
#include "qapi/qmp/qerror.h"
#include "hw/pci/pci.h"
#include "hw/pci/msi.h"
#include "hw/pci/msix.h"
bool msi_nonbroken;
bool pci_available;
PciInfoList *qmp_query_pci(Error **errp)
{
error_setg(errp, QERR_UNSUPPORTED);
return NULL;
}
void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict)
{
monitor_printf(mon, "PCI devices not supported\n");
}
/* kvm-all wants this */
MSIMessage pci_get_msi_message(PCIDevice *dev, int vector)
{
g_assert(false);
return (MSIMessage){};
}
uint16_t pci_requester_id(PCIDevice *dev)
{
g_assert(false);
return 0;
}
/* Required by ahci.c */
bool msi_enabled(const PCIDevice *dev)
{
return false;
}
void msi_notify(PCIDevice *dev, unsigned int vector)
{
g_assert_not_reached();
}
/* Required by target/i386/kvm.c */
bool msi_is_masked(const PCIDevice *dev, unsigned vector)
{
g_assert_not_reached();
}
MSIMessage msi_get_message(PCIDevice *dev, unsigned int vector)
{
g_assert_not_reached();
}
int msix_enabled(PCIDevice *dev)
{
return false;
}
bool msix_is_masked(PCIDevice *dev, unsigned vector)
{
g_assert_not_reached();
}
MSIMessage msix_get_message(PCIDevice *dev, unsigned int vector)
{
g_assert_not_reached();
}