v2 of: https://www.redhat.com/archives/libvir-list/2017-February/msg01229.html How to test this feature? $ > /tmp/nvdimm $ truncate --size 512M /tmp/nvdimm $ virsh edit $mydom <memory model='nvdimm' access='shared'> <source> <path>/tmp/nvdimm</path> </source> <target> <size unit='MiB'>512</size> <node>0</node> <label> <size unit='KiB'>128</size> </label> </target> <address type='dimm' slot='0'/> </memory> $ virsh start $mydom $ ssh $mydom "echo \"Hello world\" > /dev/pmem0" $ hexdump -C /tmp/nvdimm 00000000 48 65 6c 6c 6f 20 77 6f 72 6c 64 0a 00 00 00 00 |Hello world.....| 00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 20000000 Michal Privoznik (14): qemuBuildMemoryBackendStr: Reorder args and update comment Introduce NVDIMM memory model qemu: Introduce QEMU_CAPS_DEVICE_NVDIMM qemu: Implement NVDIMM conf: Introduce @access to <memory/> qemu: Implement @access for <memory/> banks qemu: Introduce label-size for NVDIMMs security_dac: Label host side of NVDIMM security_selinux: Label host side of NVDIMM security: Introduce internal APIs for memdev labelling secdrivers: Implement memdev relabel APIs qemu_hotplug: Relabel memdev qemu: Allow nvdimm in devices CGroups qemu: Namespaces for NVDIMM docs/formatdomain.html.in | 79 ++++++++--- docs/schemas/domaincommon.rng | 47 +++++-- src/conf/domain_conf.c | 131 +++++++++++++---- src/conf/domain_conf.h | 5 + src/libvirt_private.syms | 2 + src/qemu/qemu_alias.c | 10 +- src/qemu/qemu_capabilities.c | 9 ++ src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_cgroup.c | 49 +++++++ src/qemu/qemu_cgroup.h | 4 + src/qemu/qemu_command.c | 155 +++++++++++++++------ src/qemu/qemu_command.h | 16 ++- src/qemu/qemu_domain.c | 105 +++++++++++++- src/qemu/qemu_domain.h | 8 ++ src/qemu/qemu_hotplug.c | 42 +++++- src/qemu/qemu_security.c | 56 ++++++++ src/qemu/qemu_security.h | 8 ++ src/security/security_dac.c | 76 ++++++++++ src/security/security_driver.h | 9 ++ src/security/security_manager.c | 56 ++++++++ src/security/security_manager.h | 7 + src/security/security_nop.c | 19 +++ src/security/security_selinux.c | 69 +++++++++ src/security/security_stack.c | 38 +++++ .../qemuxml2argv-memory-hotplug-nvdimm-access.args | 26 ++++ .../qemuxml2argv-memory-hotplug-nvdimm-access.xml | 56 ++++++++ .../qemuxml2argv-memory-hotplug-nvdimm-label.args | 26 ++++ .../qemuxml2argv-memory-hotplug-nvdimm-label.xml | 59 ++++++++ .../qemuxml2argv-memory-hotplug-nvdimm.args | 26 ++++ .../qemuxml2argv-memory-hotplug-nvdimm.xml | 56 ++++++++ tests/qemuxml2argvtest.c | 8 +- ...qemuxml2xmlout-memory-hotplug-nvdimm-access.xml | 1 + .../qemuxml2xmlout-memory-hotplug-nvdimm-label.xml | 1 + .../qemuxml2xmlout-memory-hotplug-nvdimm.xml | 1 + tests/qemuxml2xmltest.c | 3 + 35 files changed, 1144 insertions(+), 120 deletions(-) create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-nvdimm-access.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-nvdimm-access.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-nvdimm-label.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-nvdimm-label.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-nvdimm.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-nvdimm.xml create mode 120000 tests/qemuxml2xmloutdata/qemuxml2xmlout-memory-hotplug-nvdimm-access.xml create mode 120000 tests/qemuxml2xmloutdata/qemuxml2xmlout-memory-hotplug-nvdimm-label.xml create mode 120000 tests/qemuxml2xmloutdata/qemuxml2xmlout-memory-hotplug-nvdimm.xml -- 2.11.0 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
