This patch add support for file memory backing on numa topology.
The specified access mode in memoryBacking can be overriden
by specifying token memAccess in numa cell.
---
src/qemu/qemu_command.c | 45 ++++++++++++++++------
.../qemuxml2argv-fd-memory-no-numa-topology.args | 21 ++++++++++
.../qemuxml2argv-fd-memory-no-numa-topology.xml | 27 +++++++++++++
.../qemuxml2argv-fd-memory-numa-topology.args | 24 ++++++++++++
.../qemuxml2argv-fd-memory-numa-topology.xml | 30 +++++++++++++++
.../qemuxml2argv-fd-memory-numa-topology2.args | 27 +++++++++++++
.../qemuxml2argv-fd-memory-numa-topology2.xml | 31 +++++++++++++++
.../qemuxml2argv-fd-memory-numa-topology3.args | 30 +++++++++++++++
.../qemuxml2argv-fd-memory-numa-topology3.xml | 32 +++++++++++++++
tests/qemuxml2argvtest.c | 13 +++++++
10 files changed, 268 insertions(+), 12 deletions(-)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.xml
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.xml
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.xml
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.xml
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 601f11b..5fa735e 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -3314,17 +3314,26 @@ qemuBuildMemoryBackendStr(unsigned long long size,
if (!(props = virJSONValueNewObject()))
return -1;
- if (pagesize) {
- if (qemuGetDomainHupageMemPath(def, cfg, pagesize, &mem_path) < 0)
- goto cleanup;
-
+ if (pagesize || def->mem.source == VIR_DOMAIN_MEMORY_SOURCE_FILE) {
*backendType = "memory-backend-file";
- if (virJSONValueObjectAdd(props,
- "b:prealloc", true,
- "s:mem-path", mem_path,
- NULL) < 0)
- goto cleanup;
+ if (def->mem.source == VIR_DOMAIN_MEMORY_SOURCE_FILE) {
+ /* we can have both pagesize and mem source, then check mem source first */
+ force = true;
+ if (virJSONValueObjectAdd(props,
+ "s:mem-path", cfg->memoryBackingDir,
+ NULL) < 0)
+ goto cleanup;
+ } else {
+ if (qemuGetDomainHupageMemPath(def, cfg, pagesize, &mem_path) < 0)
+ goto cleanup;
+
+ if (virJSONValueObjectAdd(props,
+ "b:prealloc", true,
+ "s:mem-path", mem_path,
+ NULL) < 0)
+ goto cleanup;
+ }
switch (memAccess) {
case VIR_DOMAIN_MEMORY_ACCESS_SHARED:
@@ -3338,6 +3347,12 @@ qemuBuildMemoryBackendStr(unsigned long long size,
break;
case VIR_DOMAIN_MEMORY_ACCESS_DEFAULT:
+ if (def->mem.access == VIR_DOMAIN_MEMORY_ACCESS_SHARED) {
+ if (virJSONValueObjectAdd(props, "b:share", true, NULL) < 0)
+ goto cleanup;
+ }
+ break;
+
case VIR_DOMAIN_MEMORY_ACCESS_LAST:
break;
}
@@ -7302,7 +7317,10 @@ qemuBuildMemPathStr(virQEMUDriverConfigPtr cfg,
if (qemuGetDomainHupageMemPath(def, cfg, def->mem.hugepages[0].size, &mem_path) < 0)
return -1;
- virCommandAddArgList(cmd, "-mem-prealloc", "-mem-path", mem_path, NULL);
+ if (def->mem.allocation != VIR_DOMAIN_MEMORY_ALLOCATION_IMMEDIATE)
+ virCommandAddArgList(cmd, "-mem-prealloc", NULL);
+
+ virCommandAddArgList(cmd, "-mem-path", mem_path, NULL);
VIR_FREE(mem_path);
return 0;
@@ -7332,9 +7350,12 @@ qemuBuildMemCommandLine(virCommandPtr cmd,
virDomainDefGetMemoryInitial(def) / 1024);
}
+ if (def->mem.allocation == VIR_DOMAIN_MEMORY_ALLOCATION_IMMEDIATE)
+ virCommandAddArgList(cmd, "-mem-prealloc", NULL);
+
/*
- * Add '-mem-path' (and '-mem-prealloc') parameter here only if
- * there is no numa node specified.
+ * Add '-mem-path' (and '-mem-prealloc') parameter here if
+ * the hugepages and no numa node is specified.
*/
if (!virDomainNumaGetNodeCount(def->numa) &&
qemuBuildMemPathStr(cfg, def, qemuCaps, cmd) < 0)
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.args b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.args
new file mode 100644
index 0000000..951a7cb
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.args
@@ -0,0 +1,21 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-x86_64 \
+-name instance-00000092 \
+-S \
+-M pc-i440fx-wily \
+-m 14336 \
+-mem-prealloc \
+-smp 8,sockets=8,cores=1,threads=1 \
+-uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \
+-nographic \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-instance-00000092/monitor.sock,server,nowait \
+-no-acpi \
+-boot c \
+-usb \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.xml b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.xml
new file mode 100644
index 0000000..243b65d
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.xml
@@ -0,0 +1,27 @@
+<domain type='kvm' id='56'>
+ <name>instance-00000092</name>
+ <uuid>126f2720-6f8e-45ab-a886-ec9277079a67</uuid>
+ <memory unit='KiB'>14680064</memory>
+ <currentMemory unit='KiB'>14680064</currentMemory>
+ <memoryBacking>
+ <source type='file'/>
+ <access mode='shared'/>
+ <allocation mode='immediate'/>
+ </memoryBacking>
+ <vcpu placement='static'>8</vcpu>
+ <os>
+ <type arch='x86_64' machine='pc-i440fx-wily'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <cpu>
+ <topology sockets='8' cores='1' threads='1'/>
+ </cpu>
+ <clock offset='utc' />
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-x86_64</emulator>
+ <memballoon model='virtio'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args
new file mode 100644
index 0000000..bef8136
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args
@@ -0,0 +1,24 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-x86_64 \
+-name instance-00000092 \
+-S \
+-M pc-i440fx-wily \
+-m 14336 \
+-mem-prealloc \
+-smp 8,sockets=1,cores=8,threads=1 \
+-object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/ram,\
+share=yes,size=15032385536 \
+-numa node,nodeid=0,cpus=0-7,memdev=ram-node0 \
+-uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \
+-nographic \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-instance-00000092/monitor.sock,server,nowait \
+-no-acpi \
+-boot c \
+-usb \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.xml b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.xml
new file mode 100644
index 0000000..ca5402d
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.xml
@@ -0,0 +1,30 @@
+<domain type='kvm'>
+ <name>instance-00000092</name>
+ <uuid>126f2720-6f8e-45ab-a886-ec9277079a67</uuid>
+ <memory unit='KiB'>14680064</memory>
+ <currentMemory unit='KiB'>14680064</currentMemory>
+ <memoryBacking>
+ <source type='file'/>
+ <access mode='shared'/>
+ <allocation mode='immediate'/>
+ </memoryBacking>
+ <vcpu placement='static'>8</vcpu>
+ <os>
+ <type arch='x86_64' machine='pc-i440fx-wily'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <cpu>
+ <topology sockets='1' cores='8' threads='1'/>
+ <numa>
+ <cell id='0' cpus='0-7' memory='14680064' unit='KiB'/>
+ </numa>
+ </cpu>
+ <clock offset='utc' />
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-x86_64</emulator>
+ <memballoon model='virtio'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args
new file mode 100644
index 0000000..4420b9a
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args
@@ -0,0 +1,27 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-x86_64 \
+-name instance-00000092 \
+-S \
+-M pc-i440fx-wily \
+-m 28672 \
+-mem-prealloc \
+-smp 20,sockets=1,cores=8,threads=1 \
+-object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/ram,\
+size=15032385536 \
+-numa node,nodeid=0,cpus=0-7,memdev=ram-node0 \
+-object memory-backend-file,id=ram-node1,mem-path=/var/lib/libvirt/qemu/ram,\
+share=yes,size=15032385536 \
+-numa node,nodeid=1,cpus=8-15,memdev=ram-node1 \
+-uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \
+-nographic \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-instance-00000092/monitor.sock,server,nowait \
+-no-acpi \
+-boot c \
+-usb \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.xml b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.xml
new file mode 100644
index 0000000..49beff1
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.xml
@@ -0,0 +1,31 @@
+ <domain type='kvm' id='56'>
+ <name>instance-00000092</name>
+ <uuid>126f2720-6f8e-45ab-a886-ec9277079a67</uuid>
+ <memory unit='KiB'>14680064</memory>
+ <currentMemory unit='KiB'>14680064</currentMemory>
+ <memoryBacking>
+ <source type='file'/>
+ <access mode='private'/>
+ <allocation mode='immediate'/>
+ </memoryBacking>
+ <vcpu placement='static'>20</vcpu>
+ <os>
+ <type arch='x86_64' machine='pc-i440fx-wily'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <cpu>
+ <topology sockets='1' cores='8' threads='1'/>
+ <numa>
+ <cell id='0' cpus='0-7' memory='14680064' unit='KiB'/>
+ <cell id='1' cpus='8-15' memory='14680064' unit='KiB' memAccess='shared'/>
+ </numa>
+ </cpu>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-x86_64</emulator>
+ <memballoon model='virtio'/>
+ </devices>
+ </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args
new file mode 100644
index 0000000..4d98aa0
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args
@@ -0,0 +1,30 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-x86_64 \
+-name instance-00000092 \
+-S \
+-M pc-i440fx-wily \
+-m 43008 \
+-mem-prealloc \
+-smp 32,sockets=1,cores=24,threads=1 \
+-object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/ram,\
+share=yes,size=15032385536 \
+-numa node,nodeid=0,cpus=0-1,memdev=ram-node0 \
+-object memory-backend-file,id=ram-node1,mem-path=/var/lib/libvirt/qemu/ram,\
+share=yes,size=15032385536 \
+-numa node,nodeid=1,cpus=2-3,memdev=ram-node1 \
+-object memory-backend-file,id=ram-node2,mem-path=/var/lib/libvirt/qemu/ram,\
+share=no,size=15032385536 \
+-numa node,nodeid=2,cpus=4-5,memdev=ram-node2 \
+-uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \
+-nographic \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-instance-00000092/monitor.sock,server,nowait \
+-no-acpi \
+-boot c \
+-usb \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.xml b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.xml
new file mode 100644
index 0000000..7933507
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.xml
@@ -0,0 +1,32 @@
+ <domain type='kvm' id='56'>
+ <name>instance-00000092</name>
+ <uuid>126f2720-6f8e-45ab-a886-ec9277079a67</uuid>
+ <memory unit='KiB'>14680064</memory>
+ <currentMemory unit='KiB'>14680064</currentMemory>
+ <memoryBacking>
+ <source type='file'/>
+ <access mode='shared'/>
+ <allocation mode='immediate'/>
+ </memoryBacking>
+ <vcpu placement='static'>32</vcpu>
+ <os>
+ <type arch='x86_64' machine='pc-i440fx-wily'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <cpu>
+ <topology sockets='1' cores='24' threads='1'/>
+ <numa>
+ <cell id='0' cpus='0-1' memory='14680064' unit='KiB'/>
+ <cell id='1' cpus='2-3' memory='14680064' unit='KiB' memAccess='shared'/>
+ <cell id='2' cpus='4-5' memory='14680064' unit='KiB' memAccess='private'/>
+ </numa>
+ </cpu>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-x86_64</emulator>
+ <memballoon model='virtio'/>
+ </devices>
+ </domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index d0b0cec..c244ad5 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -594,6 +594,9 @@ mymain(void)
driver.config->spiceTLS = 1;
if (VIR_STRDUP_QUIET(driver.config->spicePassword, "123456") < 0)
return EXIT_FAILURE;
+ VIR_FREE(driver.config->memoryBackingDir);
+ if (VIR_STRDUP_QUIET(driver.config->memoryBackingDir, "/var/lib/libvirt/qemu/ram") < 0)
+ return EXIT_FAILURE;
# define DO_TEST_FULL(name, migrateFrom, migrateFd, flags, \
parseFlags, gic, ...) \
@@ -2465,6 +2468,16 @@ mymain(void)
DO_TEST("cpu-hotplug-startup", QEMU_CAPS_QUERY_HOTPLUGGABLE_CPUS);
+ DO_TEST("fd-memory-numa-topology", QEMU_CAPS_MEM_PATH, QEMU_CAPS_OBJECT_MEMORY_FILE,
+ QEMU_CAPS_KVM);
+ DO_TEST("fd-memory-numa-topology2", QEMU_CAPS_MEM_PATH, QEMU_CAPS_OBJECT_MEMORY_FILE,
+ QEMU_CAPS_KVM);
+ DO_TEST("fd-memory-numa-topology3", QEMU_CAPS_MEM_PATH, QEMU_CAPS_OBJECT_MEMORY_FILE,
+ QEMU_CAPS_KVM);
+
+ DO_TEST("fd-memory-no-numa-topology", QEMU_CAPS_MEM_PATH, QEMU_CAPS_OBJECT_MEMORY_FILE,
+ QEMU_CAPS_KVM);
+
qemuTestDriverFree(&driver);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
--
2.7.4
--------------------------------------------------------------
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