[libvirt PATCH 0/2] qemu: wire up support for rotation rate for disks

Daniel P. Berrangé posted 2 patches 1 week, 6 days ago
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git fetch https://github.com/patchew-project/libvirt tags/patchew/20210331095026.228215-1-berrange@redhat.com
docs/formatdomain.rst                         | 13 ++++-
docs/schemas/domaincommon.rng                 |  5 ++
src/conf/domain_conf.c                        | 11 ++++
src/conf/domain_conf.h                        |  1 +
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 +
37 files changed, 230 insertions(+), 3 deletions(-)
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

[libvirt PATCH 0/2] qemu: wire up support for rotation rate for disks

Posted by Daniel P. Berrangé 1 week, 6 days ago
By default QEMU doesn't report any rotation information to guests, so
guests assume rotational media. This lets the user specify an explicit
speed in RPM, or 1 for SSD. This may allow the user to achieve better
performance for their virtual disks. Note, however, this doesn't mean
that the guest should be given the same setting as the host storage.
It is possible that better performance may be achieved with contrary
settings from the host. Testing is required to determine this on a
case by case basis.

Daniel P. Berrangé (2):
  conf: add support for disk "rotation_rate" property
  qemu: implement setting of rotation rate for SCSI/IDE disks

 docs/formatdomain.rst                         | 13 ++++-
 docs/schemas/domaincommon.rng                 |  5 ++
 src/conf/domain_conf.c                        | 11 ++++
 src/conf/domain_conf.h                        |  1 +
 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 +
 37 files changed, 230 insertions(+), 3 deletions(-)
 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

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2.30.2