Xen: Add support for writeFiltering in config converter

Add support for the writeFiltering attribute in the domXML to native
config converter. Also include a test.

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Jim Fehlig 2020-08-14 14:47:09 -06:00
parent 9d15647dcb
commit 01ad5de41d
4 changed files with 143 additions and 13 deletions

View File

@ -373,16 +373,18 @@ xenParsePCI(char *entry)
{
virDomainHostdevDefPtr hostdev = NULL;
VIR_AUTOSTRINGLIST tokens = NULL;
VIR_AUTOSTRINGLIST options = NULL;
size_t ntokens = 0;
size_t nexttoken = 0;
char *slotstr;
char *funcstr;
char *str;
char *nextstr;
int domain = 0x0;
int bus;
int slot;
int func;
virTristateBool filtered = VIR_TRISTATE_BOOL_ABSENT;
/* pci=['00:1b.0','0000:00:13.0'] */
/* pci=['00:1b.0','0000:00:13.0,permissive=1'] */
if (!(tokens = virStringSplitCount(entry, ":", 3, &ntokens)))
return NULL;
@ -398,24 +400,57 @@ xenParsePCI(char *entry)
return NULL;
nexttoken++;
/* slot and function */
slotstr = tokens[nexttoken];
if (!(funcstr = strchr(slotstr, '.'))) {
/* slot, function, and options */
str = tokens[nexttoken];
if (!(nextstr = strchr(str, '.'))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Malformed PCI address %s"), slotstr);
_("Malformed PCI address %s"), str);
return NULL;
}
*funcstr = '\0';
funcstr++;
if (virStrToLong_i(slotstr, NULL, 16, &slot) < 0)
*nextstr = '\0';
nextstr++;
if (virStrToLong_i(str, NULL, 16, &slot) < 0)
return NULL;
if (virStrToLong_i(funcstr, NULL, 16, &func) < 0)
str = nextstr++;
nextstr = strchr(str, ',');
if (nextstr) {
*nextstr = '\0';
nextstr++;
}
if (virStrToLong_i(str, NULL, 16, &func) < 0)
return NULL;
str = nextstr;
if (str && (options = virStringSplit(str, ",", 0))) {
size_t i;
for (i = 0; options[i] != NULL; i++) {
char *val;
if (!(val = strchr(options[i], '='))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Malformed PCI options %s"), str);
return NULL;
}
*val = '\0';
val++;
if (STREQ(options[i], "permissive")) {
int intval;
/* xl.cfg(5) specifies false as 0 and true as any other numeric value */
if (virStrToLong_i(val, NULL, 10, &intval) < 0)
return NULL;
filtered = intval ? VIR_TRISTATE_BOOL_NO : VIR_TRISTATE_BOOL_YES;
}
}
}
if (!(hostdev = virDomainHostdevDefNew()))
return NULL;
hostdev->managed = false;
hostdev->writeFiltering = filtered;
hostdev->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI;
hostdev->source.subsys.u.pci.addr.domain = domain;
hostdev->source.subsys.u.pci.addr.bus = bus;
@ -1830,12 +1865,28 @@ xenFormatPCI(virConfPtr conf, virDomainDefPtr def)
def->hostdevs[i]->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) {
virConfValuePtr val, tmp;
char *buf;
const char *permissive_str = NULL;
buf = g_strdup_printf("%04x:%02x:%02x.%x",
switch (def->hostdevs[i]->writeFiltering) {
case VIR_TRISTATE_BOOL_YES:
permissive_str = ",permissive=0";
break;
case VIR_TRISTATE_BOOL_NO:
permissive_str = ",permissive=1";
break;
case VIR_TRISTATE_BOOL_ABSENT:
case VIR_TRISTATE_BOOL_LAST:
permissive_str = "";
break;
}
buf = g_strdup_printf("%04x:%02x:%02x.%x%s",
def->hostdevs[i]->source.subsys.u.pci.addr.domain,
def->hostdevs[i]->source.subsys.u.pci.addr.bus,
def->hostdevs[i]->source.subsys.u.pci.addr.slot,
def->hostdevs[i]->source.subsys.u.pci.addr.function);
def->hostdevs[i]->source.subsys.u.pci.addr.function,
permissive_str);
if (VIR_ALLOC(val) < 0) {
VIR_FREE(buf);

View File

@ -0,0 +1,25 @@
name = "XenGuest2"
uuid = "c7a5fdb2-cdaf-9455-926a-d65c16db1809"
maxmem = 579
memory = 394
vcpus = 1
pae = 1
acpi = 1
apic = 1
viridian = 0
rtc_timeoffset = 0
localtime = 0
on_poweroff = "destroy"
on_reboot = "restart"
on_crash = "restart"
device_model = "/usr/lib/xen/bin/qemu-system-i386"
sdl = 0
vnc = 1
vncunused = 1
vnclisten = "127.0.0.1"
pci = [ "0000:01:1a.1", "0000:02:00.0,permissive=1" ]
parallel = "none"
serial = "none"
builder = "hvm"
boot = "d"
disk = [ "format=raw,vdev=hda,access=rw,backendtype=phy,target=/dev/HostVG/XenGuest2" ]

View File

@ -0,0 +1,53 @@
<domain type='xen'>
<name>XenGuest2</name>
<uuid>c7a5fdb2-cdaf-9455-926a-d65c16db1809</uuid>
<memory unit='KiB'>592896</memory>
<currentMemory unit='KiB'>403456</currentMemory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='x86_64' machine='xenfv'>hvm</type>
<loader type='rom'>/usr/lib/xen/boot/hvmloader</loader>
<boot dev='cdrom'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset='variable' adjustment='0' basis='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/lib/xen/bin/qemu-system-i386</emulator>
<disk type='block' device='disk'>
<driver name='phy' type='raw'/>
<source dev='/dev/HostVG/XenGuest2'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<controller type='xenbus' index='0'/>
<controller type='ide' index='0'/>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1'>
<listen type='address' address='127.0.0.1'/>
</graphics>
<video>
<model type='cirrus' vram='8192' heads='1' primary='yes'/>
</video>
<hostdev mode='subsystem' type='pci' managed='no'>
<driver name='xen'/>
<source>
<address domain='0x0000' bus='0x01' slot='0x1a' function='0x1'/>
</source>
</hostdev>
<hostdev mode='subsystem' type='pci' managed='no'>
<driver name='xen'/>
<source writeFiltering='no'>
<address domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
</source>
</hostdev>
<memballoon model='xen'/>
</devices>
</domain>

View File

@ -260,6 +260,7 @@ mymain(void)
DO_TEST("fullvirt-nestedhvm-disabled");
DO_TEST("fullvirt-cpuid");
DO_TEST("fullvirt-acpi-slic");
DO_TEST("fullvirt-pci");
#ifdef LIBXL_HAVE_VNUMA
DO_TEST("fullvirt-vnuma");
DO_TEST_PARSE("fullvirt-vnuma-autocomplete", false);