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Re: [libvirt] [RFC v3 2/4] nvdimm: add nvdimm-related qemucapabilities check





On 2018/12/14 上午9:09, John Ferlan wrote:


On 12/12/18 7:52 AM, Luyao Zhong wrote:
-object memory-backend-file[,align=][,pmem=]

Signed-off-by: Luyao Zhong <luyao zhong intel com>
---
  src/qemu/qemu_capabilities.c                       | 8 +++++++-
  src/qemu/qemu_capabilities.h                       | 4 ++++
  tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml | 1 +
  tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml   | 1 +
  tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml   | 1 +
  tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml  | 1 +
  tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml    | 1 +
  tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml  | 1 +
  tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml  | 1 +
  tests/qemucapabilitiesdata/caps_3.0.0.s390x.xml    | 1 +
  tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml   | 1 +
  tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml    | 2 ++
  tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml   | 2 ++
  13 files changed, 24 insertions(+), 1 deletion(-)


Again split into 3 different commits for each attribute added.
Do I need split the patch 1/4 into 3? The patch 1/4 introduced more nvdimm-related config options into domain xml.

You will need to do the device changes. > Think "nvdimm.unarmed"....

This change will be in PATCH v4.

John

Thanks a lot for your comments.

Luyao Zhong

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 9258bf6..8b518b1 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -516,7 +516,11 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
                "memory-backend-memfd.hugetlb",
                "iothread.poll-max-ns",
                "machine.pseries.cap-nested-hv",
-              "egl-headless.rendernode"
+              "egl-headless.rendernode",
+              "memory-backend-file.align",
+
+              /* 325 */
+              "memory-backend-file.pmem",
      );
@@ -1366,6 +1370,8 @@ static virQEMUCapsObjectTypeProps virQEMUCapsDeviceProps[] = { static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMemoryBackendFile[] = {
      { "discard-data", QEMU_CAPS_OBJECT_MEMORY_FILE_DISCARD },
+    { "align", QEMU_CAPS_OBJECT_MEMORY_FILE_ALIGN },
+    { "pmem", QEMU_CAPS_OBJECT_MEMORY_FILE_PMEM },
  };
static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMemoryBackendMemfd[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index c109887..f10b9a9 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -501,6 +501,10 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
      QEMU_CAPS_IOTHREAD_POLLING, /* -object iothread.poll-max-ns */
      QEMU_CAPS_MACHINE_PSERIES_CAP_NESTED_HV, /* -machine pseries.cap-nested-hv */
      QEMU_CAPS_EGL_HEADLESS_RENDERNODE, /* -display egl-headless,rendernode= */
+    QEMU_CAPS_OBJECT_MEMORY_FILE_ALIGN, /* -object memory-backend-file,align= */
+
+    /* 325 */
+    QEMU_CAPS_OBJECT_MEMORY_FILE_PMEM, /* -object memory-backend-file,pmem= */
QEMU_CAPS_LAST /* this must always be the last item */
  } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
index 8dd90f5..186a6cc 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
@@ -165,6 +165,7 @@
    <flag name='memory-backend-memfd'/>
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
+  <flag name='memory-backend-file.align'/>
    <version>2011090</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>345725</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
index e646103..c47ebd7 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
@@ -163,6 +163,7 @@
    <flag name='memory-backend-memfd'/>
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
+  <flag name='memory-backend-file.align'/>
    <version>2011090</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>426509</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml b/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
index b18bd74..49249f5 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
@@ -132,6 +132,7 @@
    <flag name='memory-backend-memfd'/>
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
+  <flag name='memory-backend-file.align'/>
    <version>2012000</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>375102</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
index ac97e16..54c4a65 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
@@ -206,6 +206,7 @@
    <flag name='memory-backend-memfd'/>
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
+  <flag name='memory-backend-file.align'/>
    <version>2011090</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>414371</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
index f11d860..24a3c2b 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
@@ -163,6 +163,7 @@
    <flag name='memory-backend-memfd'/>
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
+  <flag name='memory-backend-file.align'/>
    <version>2012050</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>444946</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml b/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml
index 552b319..1b5d8e6 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml
@@ -103,6 +103,7 @@
    <flag name='memory-backend-memfd'/>
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
+  <flag name='memory-backend-file.align'/>
    <version>3000000</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml b/tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml
index 4f9832d..3c76f63 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml
@@ -103,6 +103,7 @@
    <flag name='memory-backend-memfd'/>
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
+  <flag name='memory-backend-file.align'/>
    <version>3000000</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.s390x.xml b/tests/qemucapabilitiesdata/caps_3.0.0.s390x.xml
index 1c4177c..8569de6 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.s390x.xml
@@ -134,6 +134,7 @@
    <flag name='memory-backend-memfd'/>
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
+  <flag name='memory-backend-file.align'/>
    <version>3000000</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>388416</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
index b2d98a6..15df8a5 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
@@ -208,6 +208,7 @@
    <flag name='memory-backend-memfd'/>
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
+  <flag name='memory-backend-file.align'/>
    <version>3000000</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>425972</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml
index b06b173..175233a 100644
--- a/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml
@@ -166,6 +166,8 @@
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
    <flag name='machine.pseries.cap-nested-hv'/>
+  <flag name='memory-backend-file.align'/>
+  <flag name='memory-backend-file.pmem'/>
    <version>3000091</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>437731</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml
index 6c9c0c6..faafbcd 100644
--- a/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml
@@ -209,6 +209,8 @@
    <flag name='memory-backend-memfd.hugetlb'/>
    <flag name='iothread.poll-max-ns'/>
    <flag name='egl-headless.rendernode'/>
+  <flag name='memory-backend-file.align'/>
+  <flag name='memory-backend-file.pmem'/>
    <version>3000092</version>
    <kvmVersion>0</kvmVersion>
    <microcodeVersion>440395</microcodeVersion>



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