On Wed, Mar 31, 2021 at 5:51 PM Daniel P. Berrangé <berrange@redhat.com> wrote:
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 src/qemu/qemu_capabilities.c                  |  2 +
 src/qemu/qemu_capabilities.h                  |  1 +
 src/qemu/qemu_command.c                       |  3 +
 src/qemu/qemu_validate.c                      | 22 ++++++++
 .../caps_2.12.0.aarch64.xml                   |  1 +
 .../caps_4.0.0.aarch64.xml                    |  1 +
 .../qemucapabilitiesdata/caps_4.0.0.ppc64.xml |  1 +
 .../caps_4.0.0.riscv32.xml                    |  1 +
 .../caps_4.0.0.riscv64.xml                    |  1 +
 .../qemucapabilitiesdata/caps_4.0.0.s390x.xml |  1 +
 .../caps_4.0.0.x86_64.xml                     |  1 +
 .../caps_4.1.0.x86_64.xml                     |  1 +
 .../caps_4.2.0.aarch64.xml                    |  1 +
 .../qemucapabilitiesdata/caps_4.2.0.ppc64.xml |  1 +
 .../qemucapabilitiesdata/caps_4.2.0.s390x.xml |  1 +
 .../caps_4.2.0.x86_64.xml                     |  1 +
 .../caps_5.0.0.aarch64.xml                    |  1 +
 .../qemucapabilitiesdata/caps_5.0.0.ppc64.xml |  1 +
 .../caps_5.0.0.riscv64.xml                    |  1 +
 .../caps_5.0.0.x86_64.xml                     |  1 +
 .../qemucapabilitiesdata/caps_5.1.0.sparc.xml |  1 +
 .../caps_5.1.0.x86_64.xml                     |  1 +
 .../caps_5.2.0.aarch64.xml                    |  1 +
 .../qemucapabilitiesdata/caps_5.2.0.ppc64.xml |  1 +
 .../caps_5.2.0.riscv64.xml                    |  1 +
 .../qemucapabilitiesdata/caps_5.2.0.s390x.xml |  1 +
 .../caps_5.2.0.x86_64.xml                     |  1 +
 .../caps_6.0.0.x86_64.xml                     |  1 +
 .../disk-rotation.x86_64-latest.args          | 56 +++++++++++++++++++
 tests/qemuxml2argvdata/disk-rotation.xml      | 38 +++++++++++++
 tests/qemuxml2argvtest.c                      |  1 +
 .../disk-rotation.x86_64-latest.xml           | 55 ++++++++++++++++++
 tests/qemuxml2xmltest.c                       |  1 +
 33 files changed, 203 insertions(+)
 create mode 100644 tests/qemuxml2argvdata/disk-rotation.x86_64-latest.args
 create mode 100644 tests/qemuxml2argvdata/disk-rotation.xml
 create mode 100644 tests/qemuxml2xmloutdata/disk-rotation.x86_64-latest.xml

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index deedff2e9f..ea24e2d6a5 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -624,6 +624,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "audiodev",
               "blockdev-backup",
               "object.qapified",
+              "rotation-rate",
     );


@@ -1440,6 +1441,7 @@ static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsSCSIDisk[] = {
     { "write-cache", QEMU_CAPS_DISK_WRITE_CACHE, NULL },
     { "device_id", QEMU_CAPS_SCSI_DISK_DEVICE_ID, NULL },
     { "werror", QEMU_CAPS_STORAGE_WERROR, NULL },
+    { "rotation_rate", QEMU_CAPS_ROTATION_RATE, NULL },
 };

 static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsIDEDrive[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index da51a788fa..a70c00a265 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -604,6 +604,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_AUDIODEV, /* -audiodev instead of QEMU_AUDIO_DRV */
     QEMU_CAPS_BLOCKDEV_BACKUP, /* qemu supports the blockdev-backup job */
     QEMU_CAPS_OBJECT_QAPIFIED, /* parameters for object-add are formally described */
+    QEMU_CAPS_ROTATION_RATE, /* scsi-disk / ide-drive rotation-rate prop */

     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 1b4fa77867..7fcf7ad1ef 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -1863,6 +1863,9 @@ qemuBuildDiskDeviceStr(const virDomainDef *def,
             virBufferAsprintf(&opt, ",wwn=0x%s", disk->wwn);
     }

+    if (disk->rotation_rate)
+        virBufferAsprintf(&opt, ",rotation_rate=%u", disk->rotation_rate);
+
     if (disk->vendor) {
         virBufferAddLit(&opt, ",vendor=");
         virQEMUBuildBufferEscapeComma(&opt, disk->vendor);
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 6043f974ce..09778085a8 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -2547,6 +2547,28 @@ qemuValidateDomainDeviceDefDiskFrontend(const virDomainDiskDef *disk,
         }
     }

+    if (disk->rotation_rate) {
+        if (disk->bus != VIR_DOMAIN_DISK_BUS_SCSI &&
+            disk->bus != VIR_DOMAIN_DISK_BUS_IDE &&
+            disk->bus != VIR_DOMAIN_DISK_BUS_SATA) {
+            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                           _("rotation rate is only valid for SCSI/IDE/SATA bus"));
+            return -1;
+        }
+
+        if (disk->device != VIR_DOMAIN_DISK_DEVICE_DISK) {
+            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                           _("rotation rate is only valid for disk device"));
+            return -1;
+        }
+
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_ROTATION_RATE)) {
+            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                           _("rotation rate is not supported with this QEMU"));
+            return -1;
+        }
+    }
+
     switch (disk->bus) {
     case VIR_DOMAIN_DISK_BUS_SCSI:
         diskInfo = (virDomainDeviceInfoPtr)&disk->info;
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
index 93c768c633..f9d85560b6 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
@@ -169,6 +169,7 @@
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
   <flag name='vnc-opts'/>
+  <flag name='rotation-rate'/>
   <version>2012000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700289</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_4.0.0.aarch64.xml
index 915c84f66e..8f8d09eda0 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.aarch64.xml
@@ -184,6 +184,7 @@
   <flag name='cpu-max'/>
   <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <flag name='vnc-opts'/>
+  <flag name='rotation-rate'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700240</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_4.0.0.ppc64.xml
index b096120ae3..3c32aceaf9 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.ppc64.xml
@@ -192,6 +192,7 @@
   <flag name='cpu-max'/>
   <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <flag name='vnc-opts'/>
+  <flag name='rotation-rate'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900240</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.riscv32.xml b/tests/qemucapabilitiesdata/caps_4.0.0.riscv32.xml
index 53c35beba6..3741f75aff 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.riscv32.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.riscv32.xml
@@ -184,6 +184,7 @@
   <flag name='vhost-user-blk'/>
   <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <flag name='vnc-opts'/>
+  <flag name='rotation-rate'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.riscv64.xml b/tests/qemucapabilitiesdata/caps_4.0.0.riscv64.xml
index d76ad4102b..c2ee65a232 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.riscv64.xml
@@ -184,6 +184,7 @@
   <flag name='vhost-user-blk'/>
   <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <flag name='vnc-opts'/>
+  <flag name='rotation-rate'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.s390x.xml b/tests/qemucapabilitiesdata/caps_4.0.0.s390x.xml
index e61a9570b7..3b25aabf93 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.s390x.xml
@@ -148,6 +148,7 @@
   <flag name='cpu-max'/>
   <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <flag name='vnc-opts'/>
+  <flag name='rotation-rate'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100240</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
index 17395394df..5c2511eaa7 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
@@ -229,6 +229,7 @@
   <flag name='cpu-max'/>
   <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <flag name='vnc-opts'/>
+  <flag name='rotation-rate'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100240</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
index 6bc2fea7b4..49d5fc5578 100644
--- a/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
@@ -236,6 +236,7 @@
   <flag name='cpu-max'/>
   <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <flag name='vnc-opts'/>
+  <flag name='rotation-rate'/>
   <version>4001000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100241</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.2.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_4.2.0.aarch64.xml
index 371e6192e2..eeeb27797b 100644
--- a/tests/qemucapabilitiesdata/caps_4.2.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.2.0.aarch64.xml
@@ -199,6 +199,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>4001050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.2.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_4.2.0.ppc64.xml
index 83f914cabe..d18776778d 100644
--- a/tests/qemucapabilitiesdata/caps_4.2.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.2.0.ppc64.xml
@@ -199,6 +199,7 @@
   <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
+  <flag name='rotation-rate'/>
   <version>4001050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml b/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml
index 1f6f2e5833..67c6f9248c 100644
--- a/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml
@@ -161,6 +161,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>4002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml
index 8f9972eb14..28f6666f7f 100644
--- a/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml
@@ -247,6 +247,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>4002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
index 51d83b9f47..68ccaf6219 100644
--- a/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
@@ -209,6 +209,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700241</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml
index 4e6aec6fda..3dd4139263 100644
--- a/tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml
@@ -218,6 +218,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900241</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml b/tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml
index 850dda922b..5993348d6b 100644
--- a/tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml
@@ -204,6 +204,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
index 7dd3e9ae89..9467e4cfeb 100644
--- a/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
@@ -254,6 +254,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100241</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.1.0.sparc.xml b/tests/qemucapabilitiesdata/caps_5.1.0.sparc.xml
index 5b4b9d4b5b..a4838def4d 100644
--- a/tests/qemucapabilitiesdata/caps_5.1.0.sparc.xml
+++ b/tests/qemucapabilitiesdata/caps_5.1.0.sparc.xml
@@ -119,6 +119,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5001000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
index 71ae857c8f..12bb9a1b0f 100644
--- a/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
@@ -256,6 +256,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5001000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_5.2.0.aarch64.xml
index 4417f03f13..d88f7c989a 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.aarch64.xml
@@ -213,6 +213,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700243</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_5.2.0.ppc64.xml
index f5d072b6c6..673d8b38ad 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.ppc64.xml
@@ -220,6 +220,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900243</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.riscv64.xml b/tests/qemucapabilitiesdata/caps_5.2.0.riscv64.xml
index c12477a55c..da2320fd69 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.riscv64.xml
@@ -206,6 +206,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.s390x.xml b/tests/qemucapabilitiesdata/caps_5.2.0.s390x.xml
index 53ed7fa312..a54b9bb096 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.s390x.xml
@@ -168,6 +168,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100243</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
index 1f6b2de2a1..2fee135b1e 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
@@ -257,6 +257,7 @@
   <flag name='vnc-opts'/>
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
+  <flag name='rotation-rate'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100243</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
index 555b6b5317..f260c60d5a 100644
--- a/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
@@ -260,6 +260,7 @@
   <flag name='audiodev'/>
   <flag name='blockdev-backup'/>
   <flag name='object.qapified'/>
+  <flag name='rotation-rate'/>
   <version>5002050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100242</microcodeVersion>
diff --git a/tests/qemuxml2argvdata/disk-rotation.x86_64-latest.args b/tests/qemuxml2argvdata/disk-rotation.x86_64-latest.args
new file mode 100644
index 0000000000..1ee96424e1
--- /dev/null
+++ b/tests/qemuxml2argvdata/disk-rotation.x86_64-latest.args
@@ -0,0 +1,56 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-i386 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw",\
+"file":"/tmp/lib/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off,memory-backend=pc.ram \
+-cpu qemu64 \
+-m 214 \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}' \
+-overcommit mem-lock=off \
+-smp 8,sockets=8,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot strict=on \
+-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
+-device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x2 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw",\
+"file":"libvirt-3-storage"}' \
+-device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=0,\
+device_id=drive-scsi0-0-0-0,drive=libvirt-3-format,id=scsi0-0-0-0,bootindex=1,\
+rotation_rate=7200 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest2",\
+"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw",\
+"file":"libvirt-2-storage"}' \
+-device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=1,\
+device_id=drive-scsi0-0-0-1,drive=libvirt-2-format,id=scsi0-0-0-1,\
+rotation_rate=1 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest3",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,\
+rotation_rate=4500 \
+-audiodev id=audio1,driver=none \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
+resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/disk-rotation.xml b/tests/qemuxml2argvdata/disk-rotation.xml
new file mode 100644
index 0000000000..0a810e54cc
--- /dev/null
+++ b/tests/qemuxml2argvdata/disk-rotation.xml
@@ -0,0 +1,38 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219136</memory>
+  <currentMemory unit='KiB'>219136</currentMemory>
+  <vcpu placement='static'>8</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-i386</emulator>
+    <disk type='block' device='disk'>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='sda' bus='scsi' rotation_rate='7200'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <disk type='block' device='disk'>
+      <source dev='/dev/HostVG/QEMUGuest2'/>
+      <target dev='sdb' bus='scsi' rotation_rate='1'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
+    </disk>
+    <disk type='block' device='disk'>
+      <source dev='/dev/HostVG/QEMUGuest3'/>
+      <target dev='hda' bus='ide' rotation_rate='4500'/>
+    </disk>
+    <controller type='usb' index='0'/>
+    <controller type='scsi' index='0' model='virtio-scsi'/>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 3439f34ef1..ea98f0e6a8 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1469,6 +1469,7 @@ mymain(void)
     DO_TEST_CAPS_LATEST("disk-backing-chains-noindex");

     DO_TEST_CAPS_LATEST("disk-slices");
+    DO_TEST_CAPS_LATEST("disk-rotation");

     DO_TEST_CAPS_ARCH_VER("disk-arm-virtio-sd", "aarch64", "4.0.0");
     DO_TEST_CAPS_ARCH_LATEST("disk-arm-virtio-sd", "aarch64");
diff --git a/tests/qemuxml2xmloutdata/disk-rotation.x86_64-latest.xml b/tests/qemuxml2xmloutdata/disk-rotation.x86_64-latest.xml
new file mode 100644
index 0000000000..2b639c87f9
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/disk-rotation.x86_64-latest.xml
@@ -0,0 +1,55 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219136</memory>
+  <currentMemory unit='KiB'>219136</currentMemory>
+  <vcpu placement='static'>8</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>qemu64</model>
+  </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-i386</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='sda' bus='scsi' rotation_rate='7200'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest2'/>
+      <target dev='sdb' bus='scsi' rotation_rate='1'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
+    </disk>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest3'/>
+      <target dev='hda' bus='ide' rotation_rate='4500'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0' model='piix3-uhci'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='scsi' index='0' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <controller type='ide' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+    </controller>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <audio id='1' type='none'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </memballoon>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 4e7cce21c6..137f1871af 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -525,6 +525,7 @@ mymain(void)
     DO_TEST("pci-serial-dev-chardev", NONE);

     DO_TEST_CAPS_LATEST("disk-slices");
+    DO_TEST_CAPS_LATEST("disk-rotation");

     DO_TEST("encrypted-disk", QEMU_CAPS_QCOW2_LUKS);
     DO_TEST("encrypted-disk-usage", QEMU_CAPS_QCOW2_LUKS);
--
2.30.2

Tested on qemu-kvm-5.2.0-6.fc35.1.x86_64 libvirt-v7.2.0-rc2-1-ga3c8355f8b with this patch.
1. Start with IDE/SCSI/SATA disks with rotation_rate. PASS
2. Live attach/detach a SCSI disk with rotation_rate. PASS
the qemu log of attaching:
103.545 > 0x7f6cf80056f0 {"execute":"blockdev-add","arguments":{"driver":"file","filename":"/tmp/sata","node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"},"id":"libvirt-383"}
103.547 < 0x7f6cf80056f0 {"return": {}, "id": "libvirt-383"}
103.547 > 0x7f6cf80056f0 {"execute":"blockdev-add","arguments":{"node-name":"libvirt-4-format","read-only":false,"driver":"raw","file":"libvirt-4-storage"},"id":"libvirt-384"}
103.549 < 0x7f6cf80056f0 {"return": {}, "id": "libvirt-384"}
103.549 > 0x7f6cf80056f0 {"execute":"device_add","arguments":{"driver":"scsi-hd","bus":"scsi0.0","channel":"0","scsi-id":"0","lun":"1","device_id":"drive-scsi0-0-0-1","drive":"libvirt-4-format","id":"scsi0-0-0-1","rotation_rate":"7200"},"id":"libvirt-385"}
103.602 < 0x7f6cf80056f0 {"return": {}, "id": "libvirt-385"}
103.603 > 0x7f6cf80056f0 {"execute":"qom-list","arguments":{"path":"/machine/peripheral"},"id":"libvirt-386"}
103.604 < 0x7f6cf80056f0 {"return": [{"name": "type", "type": "string"}, {"name": "input0", "type": "child<usb-tablet>"}, {"name": "sata0-0-0", "type": "child<ide-hd>"}, {"name": "ide0-0-0", "type": "child<ide-hd>"}, {"name": "redir1", "type": "child<usb-redir>"}, {"name": "video0", "type": "child<qxl-vga>"}, {"name": "serial0", "type": "child<isa-serial>"}, {"name": "balloon0", "type": "child<virtio-balloon-pci>"}, {"name": "sata0", "type": "child<ich9-ahci>"}, {"name": "scsi0", "type": "child<virtio-scsi-pci>"},
364.266 ! 0x7f6cf80056f0 {"timestamp": {"seconds": 1617242887, "microseconds": 451436}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-signal"}}

rotation_rate is mentioned in 'device_add'.


--
Reviewed-by: Han Han <hhan@redhat.com>
Tested-by: Han Han <hhan@redhat.com>