libvirt/tests/qemuhotplugmock.c

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/*
* Copyright (C) 2019 IBM Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "qemu/qemu_hotplug.h"
#include "qemu/qemu_interface.h"
#include "qemu/qemu_process.h"
#include "conf/domain_conf.h"
#include "virdevmapper.h"
#include "virutil.h"
#include "virmock.h"
#include <fcntl.h>
static int (*real_virGetDeviceID)(const char *path, int *maj, int *min);
static bool (*real_virFileExists)(const char *path);
static void
init_syms(void)
{
if (real_virFileExists)
return;
VIR_MOCK_REAL_INIT(virGetDeviceID);
VIR_MOCK_REAL_INIT(virFileExists);
}
unsigned long long
qemuDomainGetUnplugTimeout(virDomainObj *vm)
{
/* Wait only 100ms for DEVICE_DELETED event. Give a greater
* timeout in case of PSeries guest to be consistent with the
* original logic. */
if (qemuDomainIsPSeries(vm->def))
return 20;
return 10;
}
int
virDevMapperGetTargets(const char *path,
char ***devPaths)
{
*devPaths = NULL;
if (STREQ(path, "/dev/mapper/virt")) {
*devPaths = g_new0(char *, 4);
(*devPaths)[0] = g_strdup("/dev/block/8:0"); /* /dev/sda */
(*devPaths)[1] = g_strdup("/dev/block/8:16"); /* /dev/sdb */
(*devPaths)[2] = g_strdup("/dev/block/8:32"); /* /dev/sdc */
(*devPaths)[3] = NULL;
}
return 0;
}
int
virGetDeviceID(const char *path, int *maj, int *min)
{
init_syms();
if (STREQ(path, "/dev/mapper/virt")) {
*maj = 254;
*min = 0;
return 0;
}
return real_virGetDeviceID(path, maj, min);
}
bool
virFileExists(const char *path)
{
init_syms();
if (STREQ(path, "/dev/mapper/virt"))
return true;
return real_virFileExists(path);
}
int
qemuProcessStartManagedPRDaemon(virDomainObj *vm G_GNUC_UNUSED)
{
return 0;
}
void
qemuProcessKillManagedPRDaemon(virDomainObj *vm G_GNUC_UNUSED)
{
}
int
qemuInterfaceVDPAConnect(virDomainNetDef *net G_GNUC_UNUSED)
{
/* need a valid fd or sendmsg won't work. Just open /dev/null */
return open("/dev/null", O_RDONLY);
}