[libvirt] [RFC v3 3/4] nvdimm: update qemu command-line generating for NVDIMM memory

According to the result parsing from xml, add corresponding properties into QEMU command line, including 'align', 'pmem' and 'unarmed'. Signed-off-by: Luyao Zhong <luyao.zhong(a)intel.com&gt; --- src/qemu/qemu_command.c | 32 ++++++++++++++++++++++ .../memory-hotplug-nvdimm-align.args | 31 +++++++++++++++++++++ .../memory-hotplug-nvdimm-pmem.args | 31 +++++++++++++++++++++ .../memory-hotplug-nvdimm-unarmed.args | 31 +++++++++++++++++++++ tests/qemuxml2argvtest.c | 11 ++++++++ 5 files changed, 136 insertions(+) create mode 100644 tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.args create mode 100644 tests/qemuxml2argvdata/memory-hotplug-nvdimm-pmem.args create mode 100644 tests/qemuxml2argvdata/memory-hotplug-nvdimm-unarmed.args diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 32ed83f..73600b7 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -3400,6 +3400,34 @@ qemuBuildMemoryBackendProps(virJSONValuePtr *backendProps, if (virJSONValueObjectAdd(props, "U:size", mem->size * 1024, NULL) < 0) goto cleanup; + if (mem->alignsize) { + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_FILE_ALIGN)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("align property is not available " + "with this QEMU binary")); + goto cleanup; + } + if (virJSONValueObjectAdd(props, + "U:align", + mem->alignsize * 1024, + NULL) < 0) + goto cleanup; + } + + if (mem->nvdimmPmem) { + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_FILE_PMEM)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("pmem property is not available " + "with this QEMU binary")); + goto cleanup; + } + if (virJSONValueObjectAdd(props, + "s:pmem", + mem->nvdimmPmem ? "on" : "off", + NULL) < 0) + goto cleanup; + } + if (mem->sourceNodes) { nodemask = mem->sourceNodes; } else { @@ -3569,6 +3597,10 @@ qemuBuildMemoryDeviceStr(virDomainMemoryDefPtr mem) if (mem->labelsize) virBufferAsprintf(&buf, "label-size=%llu,", mem->labelsize * 1024); + if (mem->nvdimmUnarmed) + virBufferAsprintf(&buf, "unarmed=%s,", + mem->nvdimmUnarmed ? "on" : "off"); + virBufferAsprintf(&buf, "memdev=mem%s,id=%s", mem->info.alias, mem->info.alias); diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.args new file mode 100644 index 0000000..432f622 --- /dev/null +++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.args @@ -0,0 +1,31 @@ +LC_ALL=C \ +PATH=/bin \ +HOME=/home/test \ +USER=test \ +LOGNAME=test \ +QEMU_AUDIO_DRV=none \ +/usr/bin/qemu-system-i686 \ +-name QEMUGuest1 \ +-S \ +-machine pc,accel=tcg,usb=off,dump-guest-core=off,nvdimm=on \ +-m size=219136k,slots=16,maxmem=1099511627776k \ +-smp 2,sockets=2,cores=1,threads=1 \ +-numa node,nodeid=0,cpus=0-1,mem=214 \ +-object memory-backend-file,id=memnvdimm0,prealloc=yes,mem-path=/tmp/nvdimm,\ +share=no,size=536870912,align=2097152 \ +-device nvdimm,node=0,memdev=memnvdimm0,id=nvdimm0,slot=0 \ +-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \ +-display none \ +-no-user-config \ +-nodefaults \ +-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,\ +server,nowait \ +-mon chardev=charmonitor,id=monitor,mode=control \ +-rtc base=utc \ +-no-shutdown \ +-no-acpi \ +-usb \ +-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \ +-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,\ +bootindex=1 \ +-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-pmem.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-pmem.args new file mode 100644 index 0000000..d34ac5b --- /dev/null +++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-pmem.args @@ -0,0 +1,31 @@ +LC_ALL=C \ +PATH=/bin \ +HOME=/home/test \ +USER=test \ +LOGNAME=test \ +QEMU_AUDIO_DRV=none \ +/usr/bin/qemu-system-i686 \ +-name QEMUGuest1 \ +-S \ +-machine pc,accel=tcg,usb=off,dump-guest-core=off,nvdimm=on \ +-m size=219136k,slots=16,maxmem=1099511627776k \ +-smp 2,sockets=2,cores=1,threads=1 \ +-numa node,nodeid=0,cpus=0-1,mem=214 \ +-object memory-backend-file,id=memnvdimm0,prealloc=yes,mem-path=/tmp/nvdimm,\ +share=no,size=536870912,pmem=on \ +-device nvdimm,node=0,memdev=memnvdimm0,id=nvdimm0,slot=0 \ +-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \ +-display none \ +-no-user-config \ +-nodefaults \ +-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,\ +server,nowait \ +-mon chardev=charmonitor,id=monitor,mode=control \ +-rtc base=utc \ +-no-shutdown \ +-no-acpi \ +-usb \ +-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \ +-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,\ +bootindex=1 \ +-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-unarmed.args b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-unarmed.args new file mode 100644 index 0000000..64dcc5a --- /dev/null +++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-unarmed.args @@ -0,0 +1,31 @@ +LC_ALL=C \ +PATH=/bin \ +HOME=/home/test \ +USER=test \ +LOGNAME=test \ +QEMU_AUDIO_DRV=none \ +/usr/bin/qemu-system-i686 \ +-name QEMUGuest1 \ +-S \ +-machine pc,accel=tcg,usb=off,dump-guest-core=off,nvdimm=on \ +-m size=219136k,slots=16,maxmem=1099511627776k \ +-smp 2,sockets=2,cores=1,threads=1 \ +-numa node,nodeid=0,cpus=0-1,mem=214 \ +-object memory-backend-file,id=memnvdimm0,prealloc=yes,mem-path=/tmp/nvdimm,\ +share=no,size=536870912 \ +-device nvdimm,node=0,unarmed=on,memdev=memnvdimm0,id=nvdimm0,slot=0 \ +-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \ +-display none \ +-no-user-config \ +-nodefaults \ +-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,\ +server,nowait \ +-mon chardev=charmonitor,id=monitor,mode=control \ +-rtc base=utc \ +-no-shutdown \ +-no-acpi \ +-usb \ +-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \ +-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,\ +bootindex=1 \ +-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c index e17709e..8be62a0 100644 --- a/tests/qemuxml2argvtest.c +++ b/tests/qemuxml2argvtest.c @@ -2757,6 +2757,17 @@ mymain(void) DO_TEST("memory-hotplug-nvdimm-label", QEMU_CAPS_DEVICE_NVDIMM, QEMU_CAPS_NUMA, QEMU_CAPS_OBJECT_MEMORY_RAM, QEMU_CAPS_OBJECT_MEMORY_FILE); + DO_TEST("memory-hotplug-nvdimm-align", + QEMU_CAPS_DEVICE_NVDIMM, + QEMU_CAPS_NUMA, QEMU_CAPS_OBJECT_MEMORY_RAM, QEMU_CAPS_OBJECT_MEMORY_FILE, + QEMU_CAPS_OBJECT_MEMORY_FILE_ALIGN); + DO_TEST("memory-hotplug-nvdimm-pmem", + QEMU_CAPS_DEVICE_NVDIMM, + QEMU_CAPS_NUMA, QEMU_CAPS_OBJECT_MEMORY_RAM, QEMU_CAPS_OBJECT_MEMORY_FILE, + QEMU_CAPS_OBJECT_MEMORY_FILE_PMEM); + DO_TEST("memory-hotplug-nvdimm-unarmed", + QEMU_CAPS_DEVICE_NVDIMM, + QEMU_CAPS_NUMA, QEMU_CAPS_OBJECT_MEMORY_RAM, QEMU_CAPS_OBJECT_MEMORY_FILE); DO_TEST("machine-aeskeywrap-on-caps", QEMU_CAPS_AES_KEY_WRAP, -- 2.7.4