Add support for setting max_grant_frames in libxl domain config
object and include a test to check that it is properly converted
from XML to libxl domain config.
Signed-off-by: Jim Fehlig <jfehlig@xxxxxxxx>
---
src/libxl/libxl_conf.c | 9 ++
.../max-gntframes-hvm.json | 90 +++++++++++++++++++
.../max-gntframes-hvm.xml | 37 ++++++++
tests/libxlxml2domconfigtest.c | 3 +
4 files changed, 139 insertions(+)
diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
index c769050ff1..e55a9fe22e 100644
--- a/src/libxl/libxl_conf.c
+++ b/src/libxl/libxl_conf.c
@@ -393,6 +393,15 @@ libxlMakeDomBuildInfo(virDomainDefPtr def,
def->mem.cur_balloon = VIR_ROUND_UP(def->mem.cur_balloon, 1024);
b_info->max_memkb = virDomainDefGetMemoryInitial(def);
b_info->target_memkb = def->mem.cur_balloon;
+
+#ifdef LIBXL_HAVE_BUILDINFO_GRANT_LIMITS
+ for (i = 0; i < def->ncontrollers; i++) {
+ if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_XENBUS &&
+ def->controllers[i]->opts.xenbusopts.maxGrantFrames > 0)
+ b_info->max_grant_frames = def->controllers[i]->opts.xenbusopts.maxGrantFrames;
+ }
+#endif
+
if (hvm || pvh) {
if (caps &&
def->cpu && def->cpu->mode == (VIR_CPU_MODE_HOST_PASSTHROUGH)) {
diff --git a/tests/libxlxml2domconfigdata/max-gntframes-hvm.json b/tests/libxlxml2domconfigdata/max-gntframes-hvm.json
new file mode 100644
index 0000000000..ef602f09fc
--- /dev/null
+++ b/tests/libxlxml2domconfigdata/max-gntframes-hvm.json
@@ -0,0 +1,90 @@
+{
+ "c_info": {
+ "type": "hvm",
+ "name": "test-hvm",
+ "uuid": "2147d599-9cc6-c0dc-92ab-4064b5446e9b"
+ },
+ "b_info": {
+ "max_vcpus": 4,
+ "avail_vcpus": [
+ 0,
+ 1,
+ 2,
+ 3
+ ],
+ "max_memkb": 1048576,
+ "target_memkb": 1048576,
+ "video_memkb": 8192,
+ "shadow_memkb": 12288,
+ "max_grant_frames": 64,
+ "device_model_version": "qemu_xen",
+ "device_model": "/bin/true",
+ "sched_params": {
+
+ },
+ "type.hvm": {
+ "pae": "True",
+ "apic": "True",
+ "acpi": "True",
+ "vga": {
+ "kind": "cirrus"
+ },
+ "vnc": {
+ "enable": "True",
+ "listen": "0.0.0.0",
+ "findunused": "False"
+ },
+ "sdl": {
+ "enable": "False"
+ },
+ "spice": {
+
+ },
+ "boot": "c",
+ "rdm": {
+
+ }
+ },
+ "arch_arm": {
+
+ }
+ },
+ "disks": [
+ {
+ "pdev_path": "/var/lib/xen/images/test-hvm.img",
+ "vdev": "hda",
+ "backend": "qdisk",
+ "format": "raw",
+ "removable": 1,
+ "readwrite": 1
+ }
+ ],
+ "nics": [
+ {
+ "devid": 0,
+ "mac": "00:16:3e:66:12:b4",
+ "bridge": "br0",
+ "script": "/etc/xen/scripts/vif-bridge",
+ "nictype": "vif_ioemu"
+ }
+ ],
+ "vfbs": [
+ {
+ "devid": -1,
+ "vnc": {
+ "enable": "True",
+ "listen": "0.0.0.0",
+ "findunused": "False"
+ },
+ "sdl": {
+ "enable": "False"
+ }
+ }
+ ],
+ "vkbs": [
+ {
+ "devid": -1
+ }
+ ],
+ "on_reboot": "restart"
+}
diff --git a/tests/libxlxml2domconfigdata/max-gntframes-hvm.xml b/tests/libxlxml2domconfigdata/max-gntframes-hvm.xml
new file mode 100644
index 0000000000..910bbda10b
--- /dev/null
+++ b/tests/libxlxml2domconfigdata/max-gntframes-hvm.xml
@@ -0,0 +1,37 @@
+<domain type='xen'>
+ <name>test-hvm</name>
+ <description>None</description>
+ <uuid>2147d599-9cc6-c0dc-92ab-4064b5446e9b</uuid>
+ <memory>1048576</memory>
+ <currentMemory>1048576</currentMemory>
+ <vcpu>4</vcpu>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <clock offset='utc'/>
+ <os>
+ <type>hvm</type>
+ <loader>/usr/lib/xen/boot/hvmloader</loader>
+ <boot dev='hd'/>
+ </os>
+ <features>
+ <apic/>
+ <acpi/>
+ <pae/>
+ </features>
+ <devices>
+ <emulator>/bin/true</emulator>
+ <disk type='file' device='disk'>
+ <driver name='qemu'/>
+ <source file='/var/lib/xen/images/test-hvm.img'/>
+ <target dev='hda'/>
+ </disk>
+ <controller type='xenbus' maxGrantFrames='64'/>
+ <interface type='bridge'>
+ <source bridge='br0'/>
+ <mac address='00:16:3e:66:12:b4'/>
+ <script path='/etc/xen/scripts/vif-bridge'/>
+ </interface>
+ <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0'/>
+ </devices>
+</domain>
diff --git a/tests/libxlxml2domconfigtest.c b/tests/libxlxml2domconfigtest.c
index 863d8cded5..677103bfeb 100644
--- a/tests/libxlxml2domconfigtest.c
+++ b/tests/libxlxml2domconfigtest.c
@@ -217,6 +217,9 @@ mymain(void)
DO_TEST("fullvirt-cpuid-legacy-nest");
# endif
+# ifdef LIBXL_HAVE_BUILDINFO_GRANT_LIMITS
+ DO_TEST("max-gntframes-hvm");
+# endif
unlink("libxl-driver.log");
--
2.20.1
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