libvirt/tests/qemuxml2argvmock.c
Praveen K Paladugu af87ee7927 hypervisor: Move domain interface mgmt methods
From: Praveen K Paladugu <prapal@linux.microsoft.com>

Move methods to connect domain interfaces to host bridges to hypervisor.
This is to allow reuse between qemu and ch drivers.

Signed-off-by: Praveen K Paladugu <praveenkpaladugu@gmail.com>
Signed-off-by: Praveen K Paladugu <prapal@linux.microsoft.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2024-08-26 16:10:04 +02:00

299 lines
6.9 KiB
C

/*
* Copyright (C) 2014-2016 Red Hat, Inc.
*
* 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>
#define LIBVIRT_VIRIDENTITYPRIV_H_ALLOW
#include "internal.h"
#include "viralloc.h"
#include "vircommand.h"
#include "viridentitypriv.h"
#include "virmock.h"
#include "virnetdev.h"
#include "virnetdevbandwidth.h"
#include "virnetdevip.h"
#include "virnetdevtap.h"
#include "virnetdevopenvswitch.h"
#include "virscsivhost.h"
#include "virtpm.h"
#include "virutil.h"
#include "qemu/qemu_interface.h"
#include "qemu/qemu_command.h"
#include "domain_interface.h"
#include <unistd.h>
#include <fcntl.h>
#define VIR_FROM_THIS VIR_FROM_NONE
long virGetSystemPageSize(void)
{
return 4096;
}
GDateTime *g_date_time_new_now_utc(void)
{
return g_date_time_new_from_unix_utc(1234567890);
}
GDateTime *g_date_time_new_now_local(void)
{
return g_date_time_new_from_unix_local(1234567890);
}
char *
virTPMCreateCancelPath(const char *devpath)
{
(void)devpath;
return g_strdup("/sys/class/misc/tpm0/device/cancel");
}
/**
* Large values for memory would fail on 32 bit systems, despite having
* variables that support it.
*/
unsigned long long
virMemoryMaxValue(bool capped G_GNUC_UNUSED)
{
return LLONG_MAX;
}
int
virSCSIVHostOpenVhostSCSI(int *vhostfd)
{
*vhostfd = STDERR_FILENO + 1;
return 0;
}
char *
virSCSIDeviceGetSgName(const char *sysfs_prefix G_GNUC_UNUSED,
const char *adapter G_GNUC_UNUSED,
unsigned int bus G_GNUC_UNUSED,
unsigned int target G_GNUC_UNUSED,
unsigned long long unit G_GNUC_UNUSED)
{
return g_strdup_printf("sg0");
}
int
virNetDevTapCreate(char **ifname,
const char *tunpath G_GNUC_UNUSED,
int *tapfd,
size_t tapfdSize,
unsigned int flags G_GNUC_UNUSED)
{
size_t i;
for (i = 0; i < tapfdSize; i++)
tapfd[i] = STDERR_FILENO + 1 + i;
if (STREQ_NULLABLE(*ifname, "mytap0")) {
return 0;
} else {
VIR_FREE(*ifname);
*ifname = g_strdup("vnet0");
return 0;
}
}
int
virDomainInterfaceBridgeConnect(virDomainDef *def G_GNUC_UNUSED,
virDomainNetDef *net G_GNUC_UNUSED,
int *tapfd,
size_t *tapfdSize,
bool privileged G_GNUC_UNUSED,
ebtablesContext *ebtables G_GNUC_UNUSED,
bool macFilter G_GNUC_UNUSED,
const char *bridgeHelperName G_GNUC_UNUSED)
{
size_t i;
for (i = 0; i < *tapfdSize; i++)
tapfd[i] = STDERR_FILENO + 100 + i;
return 0;
}
int
virNetDevSetMAC(const char *ifname G_GNUC_UNUSED,
const virMacAddr *macaddr G_GNUC_UNUSED)
{
return 0;
}
int
virNetDevExists(const char *ifname)
{
return STREQ(ifname, "mytap0");
}
int virNetDevIPAddrAdd(const char *ifname G_GNUC_UNUSED,
virSocketAddr *addr G_GNUC_UNUSED,
virSocketAddr *peer G_GNUC_UNUSED,
unsigned int prefix G_GNUC_UNUSED)
{
return 0;
}
int
virNetDevSetOnline(const char *ifname G_GNUC_UNUSED,
bool online G_GNUC_UNUSED)
{
return 0;
}
int
virNetDevRunEthernetScript(const char *ifname G_GNUC_UNUSED,
const char *script G_GNUC_UNUSED)
{
return 0;
}
char *
virHostGetDRMRenderNode(void)
{
return g_strdup("/dev/dri/foo");
}
static void (*real_virCommandPassFD)(virCommand *cmd, int fd, unsigned int flags);
static const int testCommandPassSafeFDs[] = { 1730, 1731, 1732 };
void
virCommandPassFD(virCommand *cmd,
int fd,
unsigned int flags)
{
size_t i;
for (i = 0; i < G_N_ELEMENTS(testCommandPassSafeFDs); i++) {
if (testCommandPassSafeFDs[i] == fd) {
if (!real_virCommandPassFD)
VIR_MOCK_REAL_INIT(virCommandPassFD);
real_virCommandPassFD(cmd, fd, flags);
return;
}
}
}
int
virNetDevOpenvswitchGetVhostuserIfname(const char *path G_GNUC_UNUSED,
bool server G_GNUC_UNUSED,
char **ifname)
{
*ifname = g_strdup("vhost-user0");
return 1;
}
int
qemuInterfaceOpenVhostNet(virDomainObj *vm G_GNUC_UNUSED,
virDomainNetDef *net)
{
qemuDomainNetworkPrivate *netpriv = QEMU_DOMAIN_NETWORK_PRIVATE(net);
size_t vhostfdSize = net->driver.virtio.queues;
size_t i;
if (!vhostfdSize)
vhostfdSize = 1;
if (!virDomainNetIsVirtioModel(net))
return 0;
for (i = 0; i < vhostfdSize; i++) {
g_autofree char *name = g_strdup_printf("vhostfd-%s%zu", net->info.alias, i);
int fd = STDERR_FILENO + 42 + i;
netpriv->vhostfds = g_slist_prepend(netpriv->vhostfds, qemuFDPassDirectNew(name, &fd));
}
netpriv->vhostfds = g_slist_reverse(netpriv->vhostfds);
return 0;
}
int
qemuOpenChrChardevUNIXSocket(const virDomainChrSourceDef *dev G_GNUC_UNUSED)
{
/* We need to return an FD number for a UNIX listener socket,
* which will be given to QEMU via a CLI arg. We need a fixed
* number to get stable tests. This is obviously not a real
* FD number, so when virCommand closes the FD in the parent
* it will get EINVAL, but that's (hopefully) not going to
* be a problem....
*/
if (fcntl(1729, F_GETFD) != -1)
abort();
return 1729;
}
int
qemuBuildTPMOpenBackendFDs(const char *tpmdev G_GNUC_UNUSED,
int *tpmfd,
int *cancelfd)
{
if (fcntl(1730, F_GETFD) != -1 ||
fcntl(1731, F_GETFD) != -1)
abort();
*tpmfd = 1730;
*cancelfd = 1731;
return 0;
}
int
virNetDevBandwidthSetRootQDisc(const char *ifname G_GNUC_UNUSED,
const char *qdisc G_GNUC_UNUSED)
{
return 0;
}
int
qemuVDPAConnect(const char *devicepath G_GNUC_UNUSED)
{
if (fcntl(1732, F_GETFD) != -1)
abort();
return 1732;
}
char *
virIdentityEnsureSystemToken(void)
{
return g_strdup("3de80bcbf22d4833897f1638e01be9b2");
}
int
virNetDevSetMTU(const char *ifname G_GNUC_UNUSED,
int mtu G_GNUC_UNUSED)
{
return 0;
}