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From: Daniel Henrique Barboza
To: libvir-list@redhat.com
Subject: [PATCH v2 1/5] conf: Introduce optional 'uuid' element for NVDIMM
memory
Date: Wed, 11 Mar 2020 18:29:38 -0300
Message-Id: <20200311212942.520394-2-danielhb413@gmail.com>
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ppc64 NVDIMM support was implemented in QEMU by commit [1].
The support is similar to what x86 already does, aside from
an extra 'uuid' element.
This patch introduces a new optional 'uuid' element for the
NVDIMM memory model. This element behaves like the 'uuid'
element of the domain definition - if absent, we'll create
a new one, otherwise use the one provided by the XML.
The 'uuid' element is exclusive to pseries guests and are
unavailable for other architectures.
Next patch will use this new element to add NVDIMM support
for ppc64.
[1] https://github.com/qemu/qemu/commit/ee3a71e36654317b14ede0290e87628f8b7=
9f850
Signed-off-by: Daniel Henrique Barboza
---
docs/schemas/domaincommon.rng | 5 ++
src/conf/domain_conf.c | 37 +++++++++++++--
src/conf/domain_conf.h | 3 ++
.../memory-hotplug-nvdimm-ppc64.xml | 47 +++++++++++++++++++
.../memory-hotplug-nvdimm-ppc64.xml | 47 +++++++++++++++++++
tests/qemuxml2xmltest.c | 2 +
6 files changed, 138 insertions(+), 3 deletions(-)
create mode 100644 tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.xml
create mode 100644 tests/qemuxml2xmloutdata/memory-hotplug-nvdimm-ppc64.xml
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 529a98fc05..119ebc9401 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -5660,6 +5660,11 @@
+
+
+
+
+
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index d2d97daf80..3ae6c181c2 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -16500,6 +16500,7 @@ static virDomainMemoryDefPtr
virDomainMemoryDefParseXML(virDomainXMLOptionPtr xmlopt,
xmlNodePtr memdevNode,
xmlXPathContextPtr ctxt,
+ const virDomainDef *dom,
unsigned int flags)
{
VIR_XPATH_NODE_AUTORESTORE(ctxt);
@@ -16546,6 +16547,25 @@ virDomainMemoryDefParseXML(virDomainXMLOptionPtr x=
mlopt,
=20
def->discard =3D val;
}
+ VIR_FREE(tmp);
+
+ if (def->model =3D=3D VIR_DOMAIN_MEMORY_MODEL_NVDIMM &&
+ ARCH_IS_PPC64(dom->os.arch)) {
+ /* Extract nvdimm uuid or generate a new one */
+ tmp =3D virXPathString("string(./uuid[1])", ctxt);
+
+ if (!tmp) {
+ if (virUUIDGenerate(def->uuid) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s", _("Failed to generate UUID"));
+ goto error;
+ }
+ } else if (virUUIDParse(tmp, def->uuid) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s", _("malformed uuid element"));
+ goto error;
+ }
+ }
=20
/* source */
if ((node =3D virXPathNode("./source", ctxt)) &&
@@ -16843,7 +16863,8 @@ virDomainDeviceDefParse(const char *xmlStr,
break;
case VIR_DOMAIN_DEVICE_MEMORY:
if (!(dev->data.memory =3D virDomainMemoryDefParseXML(xmlopt, node,
- ctxt, flags)))
+ ctxt, def,
+ flags)))
return NULL;
break;
case VIR_DOMAIN_DEVICE_IOMMU:
@@ -21790,6 +21811,7 @@ virDomainDefParseXML(xmlDocPtr xml,
virDomainMemoryDefPtr mem =3D virDomainMemoryDefParseXML(xmlopt,
nodes[i],
ctxt,
+ def,
flags);
if (!mem)
goto error;
@@ -26976,6 +26998,7 @@ virDomainMemoryTargetDefFormat(virBufferPtr buf,
static int
virDomainMemoryDefFormat(virBufferPtr buf,
virDomainMemoryDefPtr def,
+ const virDomainDef *dom,
unsigned int flags)
{
const char *model =3D virDomainMemoryModelTypeToString(def->model);
@@ -26990,6 +27013,14 @@ virDomainMemoryDefFormat(virBufferPtr buf,
virBufferAddLit(buf, ">\n");
virBufferAdjustIndent(buf, 2);
=20
+ if (def->model =3D=3D VIR_DOMAIN_MEMORY_MODEL_NVDIMM &&
+ ARCH_IS_PPC64(dom->os.arch)) {
+ char uuidstr[VIR_UUID_STRING_BUFLEN];
+
+ virUUIDFormat(def->uuid, uuidstr);
+ virBufferAsprintf(buf, "%s\n", uuidstr);
+ }
+
if (virDomainMemorySourceDefFormat(buf, def) < 0)
return -1;
=20
@@ -29319,7 +29350,7 @@ virDomainDefFormatInternalSetRootName(virDomainDefP=
tr def,
}
=20
for (n =3D 0; n < def->nmems; n++) {
- if (virDomainMemoryDefFormat(buf, def->mems[n], flags) < 0)
+ if (virDomainMemoryDefFormat(buf, def->mems[n], def, flags) < 0)
goto error;
}
=20
@@ -30432,7 +30463,7 @@ virDomainDeviceDefCopy(virDomainDeviceDefPtr src,
rc =3D virDomainPanicDefFormat(&buf, src->data.panic);
break;
case VIR_DOMAIN_DEVICE_MEMORY:
- rc =3D virDomainMemoryDefFormat(&buf, src->data.memory, flags);
+ rc =3D virDomainMemoryDefFormat(&buf, src->data.memory, def, flags=
);
break;
case VIR_DOMAIN_DEVICE_SHMEM:
rc =3D virDomainShmemDefFormat(&buf, src->data.shmem, flags);
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 91b776c28a..f2f2635957 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2189,6 +2189,9 @@ struct _virDomainMemoryDef {
unsigned long long labelsize; /* kibibytes; valid only for NVDIMM */
bool readonly; /* valid only for NVDIMM */
=20
+ /* required for QEMU NVDIMM ppc64 support */
+ unsigned char uuid[VIR_UUID_BUFLEN];
+
virDomainDeviceInfo info;
};
=20
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.xml b/tests=
/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.xml
new file mode 100644
index 0000000000..59352d3c52
--- /dev/null
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.xml
@@ -0,0 +1,47 @@
+
+ QEMUGuest1
+ c7a5fdbd-edaf-9455-926a-d65c16db1809
+ 1099511627776
+ 1267710
+ 1267710
+ 2
+
+ hvm
+
+
+
+
+
+
+
+
+
+ destroy
+ restart
+ destroy
+
+ /usr/bin/qemu-system-ppc64
+
+
+
+
+
+
+
+
+
+
+
+
+ 49545eb3-75e1-2d0a-acdd-f0294406c99e
+
+
+ 523264
+ 0
+
+
+
+
+
diff --git a/tests/qemuxml2xmloutdata/memory-hotplug-nvdimm-ppc64.xml b/tes=
ts/qemuxml2xmloutdata/memory-hotplug-nvdimm-ppc64.xml
new file mode 100644
index 0000000000..59352d3c52
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/memory-hotplug-nvdimm-ppc64.xml
@@ -0,0 +1,47 @@
+
+ QEMUGuest1
+ c7a5fdbd-edaf-9455-926a-d65c16db1809
+ 1099511627776
+ 1267710
+ 1267710
+ 2
+
+ hvm
+
+
+
+
+
+
+
+
+
+ destroy
+ restart
+ destroy
+
+ /usr/bin/qemu-system-ppc64
+
+
+
+
+
+
+
+
+
+
+
+
+ 49545eb3-75e1-2d0a-acdd-f0294406c99e
+
+
+ 523264
+ 0
+
+
+
+
+
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 9b6a235777..a3c25b4a76 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -1246,6 +1246,8 @@ mymain(void)
DO_TEST("memory-hotplug-nvdimm-align", QEMU_CAPS_DEVICE_NVDIMM);
DO_TEST("memory-hotplug-nvdimm-pmem", QEMU_CAPS_DEVICE_NVDIMM);
DO_TEST("memory-hotplug-nvdimm-readonly", QEMU_CAPS_DEVICE_NVDIMM);
+ DO_TEST("memory-hotplug-nvdimm-ppc64", QEMU_CAPS_DEVICE_SPAPR_PCI_HOST=
_BRIDGE,
+ QEMU_CAPS_DEVICE_NVDIMM);
DO_TEST("net-udp", NONE);
=20
DO_TEST("video-virtio-gpu-device", QEMU_CAPS_DEVICE_VIRTIO_GPU);
--=20
2.24.1
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From: Daniel Henrique Barboza
To: libvir-list@redhat.com
Subject: [PATCH v2 2/5] formatdomain.html.in: document the new 'uuid' NVDIMM
element
Date: Wed, 11 Mar 2020 18:29:39 -0300
Message-Id: <20200311212942.520394-3-danielhb413@gmail.com>
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Signed-off-by: Daniel Henrique Barboza
---
docs/formatdomain.html.in | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 7e7771725c..e3bf33f873 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -8857,6 +8857,7 @@ qemu-kvm -net nic,model=3D? /dev/null
</target>
</memory>
<memory model=3D'nvdimm'>
+ <uuid>
<source>
<path>/tmp/nvdimm</path>
</source>
@@ -8870,6 +8871,7 @@ qemu-kvm -net nic,model=3D? /dev/null
</target>
</memory>
<memory model=3D'nvdimm' access=3D'shared'>
+ <uuid>
<source>
<path>/dev/dax0.0</path>
<alignsize unit=3D'KiB'>2048</alignsize>
@@ -8925,6 +8927,17 @@ qemu-kvm -net nic,model=3D? /dev/null
=20
+
uuid
+
+
+ For pSeries guests, an uuid can be set to identify the
+ nvdimm module. If absent, libvirt will generate an uuid.
+ automatically. This attribute is allowed only for
+ model=3D'nvdimm' for pSeries guests.
+ Since 6.2.0
+
+
+
source
--=20
2.24.1
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From: Daniel Henrique Barboza
To: libvir-list@redhat.com
Subject: [PATCH v2 3/5] conf, qemu: enable NVDIMM support for ppc64
Date: Wed, 11 Mar 2020 18:29:40 -0300
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Using the 'uuid' element for ppc64 NVDIMM memory added in the
previous patch, use it in qemuBuildMemoryDeviceStr() to pass
it over to QEMU.
Another ppc64 restriction is the necessity of a mem->labelsize,
given than ppc64 only support label-area backed NVDIMMs.
Finally, we don't want ppc64 NVDIMMs to align up due to the
high risk of going beyond the end of file with a 256MiB
increment that the user didn't predict. Align it down
instead.
Signed-off-by: Daniel Henrique Barboza
---
src/conf/domain_conf.c | 7 +++
src/qemu/qemu_command.c | 7 +++
src/qemu/qemu_domain.c | 47 +++++++++++++++++--
.../memory-hotplug-nvdimm-ppc64.args | 32 +++++++++++++
.../memory-hotplug-nvdimm-ppc64.xml | 5 +-
tests/qemuxml2argvtest.c | 4 ++
.../memory-hotplug-nvdimm-ppc64.xml | 5 +-
7 files changed, 102 insertions(+), 5 deletions(-)
create mode 100644 tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.args
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 3ae6c181c2..7f8018fed2 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -16582,6 +16582,13 @@ virDomainMemoryDefParseXML(virDomainXMLOptionPtr x=
mlopt,
if (virDomainMemoryTargetDefParseXML(node, ctxt, def) < 0)
goto error;
=20
+ if (def->model =3D=3D VIR_DOMAIN_MEMORY_MODEL_NVDIMM &&
+ ARCH_IS_PPC64(dom->os.arch) && def->labelsize =3D=3D 0) {
+ virReportError(VIR_ERR_XML_ERROR, "%s",
+ _("label size is required for NVDIMM device"));
+ goto error;
+ }
+
if (virDomainDeviceInfoParseXML(xmlopt, memdevNode,
&def->info, flags) < 0)
goto error;
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 9e0334a3e7..76f1247329 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -3677,6 +3677,13 @@ qemuBuildMemoryDeviceStr(virDomainMemoryDefPtr mem,
if (mem->labelsize)
virBufferAsprintf(&buf, "label-size=3D%llu,", mem->labelsize *=
1024);
=20
+ if (virUUIDIsValid(mem->uuid)) {
+ char uuidstr[VIR_UUID_STRING_BUFLEN];
+
+ virUUIDFormat(mem->uuid, uuidstr);
+ virBufferAsprintf(&buf, "uuid=3D%s,", uuidstr);
+ }
+
if (mem->readonly) {
if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE_NVDIMM_UN=
ARMED)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 3d3f796d85..2f420a43cd 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -12418,6 +12418,35 @@ qemuDomainGetMemoryModuleSizeAlignment(const virDo=
mainDef *def,
}
=20
=20
+static void
+qemuDomainNVDimmAlignSizePseries(virDomainDefPtr def,
+ virDomainMemoryDefPtr mem)
+{
+ /* For NVDIMMs in ppc64 in we want to align down the guest
+ * visible space, instead of align up, to avoid writing
+ * beyond the end of file by adding a potential 256MiB
+ * to the user specified size.
+ *
+ * The label-size is mandatory for ppc64 as well, meaning that
+ * the guest visible space will be target_size-label_size.
+ *
+ * Finally, target_size must include label_size.
+ *
+ * The above can be summed up as follows:
+ *
+ * target_size =3D AlignDown(target_size - label_size) + label_size
+ */
+ unsigned long long ppc64AlignSize =3D qemuDomainGetMemorySizeAlignment=
(def);
+ unsigned long long guestArea =3D mem->size - mem->labelsize;
+
+ /* Align down guest_area. 256MiB is the minimum size. */
+ guestArea =3D (guestArea/ppc64AlignSize) * ppc64AlignSize;
+ guestArea =3D MAX(guestArea, ppc64AlignSize);
+
+ mem->size =3D guestArea + mem->labelsize;
+}
+
+
int
qemuDomainAlignMemorySizes(virDomainDefPtr def)
{
@@ -12464,8 +12493,14 @@ qemuDomainAlignMemorySizes(virDomainDefPtr def)
=20
/* Align memory module sizes */
for (i =3D 0; i < def->nmems; i++) {
- align =3D qemuDomainGetMemoryModuleSizeAlignment(def, def->mems[i]=
);
- def->mems[i]->size =3D VIR_ROUND_UP(def->mems[i]->size, align);
+ if (def->mems[i]->model =3D=3D VIR_DOMAIN_MEMORY_MODEL_NVDIMM &&
+ ARCH_IS_PPC64(def->os.arch)) {
+ qemuDomainNVDimmAlignSizePseries(def, def->mems[i]);
+ } else {
+ align =3D qemuDomainGetMemoryModuleSizeAlignment(def, def->mem=
s[i]);
+ def->mems[i]->size =3D VIR_ROUND_UP(def->mems[i]->size, align);
+ }
+
hotplugmem +=3D def->mems[i]->size;
=20
if (def->mems[i]->size > maxmemkb) {
@@ -12494,7 +12529,13 @@ void
qemuDomainMemoryDeviceAlignSize(virDomainDefPtr def,
virDomainMemoryDefPtr mem)
{
- mem->size =3D VIR_ROUND_UP(mem->size, qemuDomainGetMemorySizeAlignment=
(def));
+ if (mem->model =3D=3D VIR_DOMAIN_MEMORY_MODEL_NVDIMM &&
+ ARCH_IS_PPC64(def->os.arch)) {
+ qemuDomainNVDimmAlignSizePseries(def, mem);
+ } else {
+ mem->size =3D VIR_ROUND_UP(mem->size,
+ qemuDomainGetMemorySizeAlignment(def));
+ }
}
=20
=20
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.args b/test=
s/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.args
new file mode 100644
index 0000000000..92e6c538fb
--- /dev/null
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.args
@@ -0,0 +1,32 @@
+LC_ALL=3DC \
+PATH=3D/bin \
+HOME=3D/tmp/lib/domain--1-QEMUGuest1 \
+USER=3Dtest \
+LOGNAME=3Dtest \
+XDG_DATA_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=3D/tmp/lib/domain--1-QEMUGuest1/.config \
+QEMU_AUDIO_DRV=3Dnone \
+/usr/bin/qemu-system-ppc64 \
+-name QEMUGuest1 \
+-S \
+-machine pseries,accel=3Dtcg,usb=3Doff,dump-guest-core=3Doff,nvdimm=3Don \
+-m size=3D1048576k,slots=3D16,maxmem=3D1099511627776k \
+-realtime mlock=3Doff \
+-smp 2,sockets=3D2,cores=3D1,threads=3D1 \
+-numa node,nodeid=3D0,cpus=3D0-1,mem=3D1024 \
+-object memory-backend-file,id=3Dmemnvdimm0,prealloc=3Dyes,mem-path=3D/tmp=
/nvdimm,\
+size=3D537001984 \
+-device nvdimm,node=3D0,label-size=3D131072,\
+uuid=3D49545eb3-75e1-2d0a-acdd-f0294406c99e,memdev=3Dmemnvdimm0,id=3Dnvdim=
m0,slot=3D0 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=3Dcharmonitor,path=3D/tmp/lib/domain--1-QEMUGuest1/moni=
tor.sock,\
+server,nowait \
+-mon chardev=3Dcharmonitor,id=3Dmonitor,mode=3Dcontrol \
+-rtc base=3Dutc \
+-no-shutdown \
+-usb \
+-device virtio-balloon-pci,id=3Dballoon0,bus=3Dpci.0,addr=3D0x2
diff --git a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.xml b/tests=
/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.xml
index 59352d3c52..ae5a17d3c8 100644
--- a/tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.xml
+++ b/tests/qemuxml2argvdata/memory-hotplug-nvdimm-ppc64.xml
@@ -38,8 +38,11 @@
/tmp/nvdimm
- 523264
+ 5500000
+
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 35d413d40b..077f7e7650 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2790,6 +2790,10 @@ mymain(void)
DO_TEST_CAPS_LATEST("memory-hotplug-nvdimm-align");
DO_TEST_CAPS_LATEST("memory-hotplug-nvdimm-pmem");
DO_TEST_CAPS_LATEST("memory-hotplug-nvdimm-readonly");
+ DO_TEST("memory-hotplug-nvdimm-ppc64", QEMU_CAPS_KVM, QEMU_CAPS_DEVICE=
_NVDIMM,
+ QEMU_CAPS_NUMA, QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+ QEMU_CAPS_OBJECT_MEMORY_RAM,
+ QEMU_CAPS_OBJECT_MEMORY_FILE);
=20
DO_TEST("machine-aeskeywrap-on-caps",
QEMU_CAPS_AES_KEY_WRAP,
diff --git a/tests/qemuxml2xmloutdata/memory-hotplug-nvdimm-ppc64.xml b/tes=
ts/qemuxml2xmloutdata/memory-hotplug-nvdimm-ppc64.xml
index 59352d3c52..ae5a17d3c8 100644
--- a/tests/qemuxml2xmloutdata/memory-hotplug-nvdimm-ppc64.xml
+++ b/tests/qemuxml2xmloutdata/memory-hotplug-nvdimm-ppc64.xml
@@ -38,8 +38,11 @@
/tmp/nvdimm
- 523264
+ 5500000
+
--=20
2.24.1
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From: Daniel Henrique Barboza
To: libvir-list@redhat.com
Subject: [PATCH v2 4/5] formatdomain.html.in: document NVDIMM 'label'
requirement for pSeries
Date: Wed, 11 Mar 2020 18:29:41 -0300
Message-Id: <20200311212942.520394-5-danielhb413@gmail.com>
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Signed-off-by: Daniel Henrique Barboza
---
docs/formatdomain.html.in | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index e3bf33f873..142cd17205 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -9026,12 +9026,13 @@ qemu-kvm -net nic,model=3D? /dev/null
label
- For NVDIMM type devices one can optionally use
- label and its subelement size
- to configure the size of namespaces label storage
- within the NVDIMM module. The size element
- has usual meaning described
+ For NVDIMM type devices one can use label and i=
ts
+ subelement size to configure the size of
+ namespaces label storage within the NVDIMM module. The
+ size element has usual meaning described
here.
+ label is mandatory for pSeries guests and optio=
nal
+ for all other architectures.
For QEMU domains the following restrictions apply:
--=20
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From: Daniel Henrique Barboza
To: libvir-list@redhat.com
Subject: [PATCH v2 5/5] news.xml: document the new NVDIMM support for Pseries
guests
Date: Wed, 11 Mar 2020 18:29:42 -0300
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Signed-off-by: Daniel Henrique Barboza
---
docs/news.xml | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/docs/news.xml b/docs/news.xml
index 7fd88f9998..6eb222cdb7 100644
--- a/docs/news.xml
+++ b/docs/news.xml
@@ -44,6 +44,17 @@
+
+
+ qemu: NVDIMM support for pSeries guests
+
+
+ QEMU 5.0 implements NVDIMM memory support for pSeries guests. Th=
is
+ is done by adding an 'uuid' element in the memory XML, which can
+ either be provided in the XML or, if ommited, generated
+ automatically.
+
+
--=20
2.24.1