[libvirt] [PATCH v2] qemu: Split ide-drive into ide-cd and ide-hd
Daniel P. Berrange
berrange at redhat.com
Tue Apr 17 09:26:31 UTC 2012
On Tue, Apr 17, 2012 at 05:18:19PM +0800, Osier Yang wrote:
> A "ide-drive" device can be either a hard disk or a CD-ROM,
> if there is ",media=cdrom" specified for the backend, it's
> a CD-ROM, otherwise it's a hard disk.
>
> Upstream qemu splitted "ide-drive" into "ide-hd" and "ide-cd"
> since commit 1f56e32, and ",media=cdrom" is not required for
> ide-cd anymore. "ide-drive" is still supported for backwards
> compatibility, but no doubt we should go foward.
>
> ---
> No changes between v1 and v2, just rebasing.
> ---
> src/qemu/qemu_capabilities.c | 3 ++
> src/qemu/qemu_capabilities.h | 1 +
> src/qemu/qemu_command.c | 25 ++++++++++++++-
> tests/qemuhelptest.c | 3 +-
> .../qemuxml2argv-disk-ide-drive-split.args | 8 +++++
> .../qemuxml2argv-disk-ide-drive-split.xml | 32 ++++++++++++++++++++
> tests/qemuxml2argvtest.c | 3 ++
> 7 files changed, 72 insertions(+), 3 deletions(-)
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-ide-drive-split.args
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-ide-drive-split.xml
>
> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
> index 4e22f3e8..3d1fb43 100644
> --- a/src/qemu/qemu_capabilities.c
> +++ b/src/qemu/qemu_capabilities.c
> @@ -160,6 +160,7 @@ VIR_ENUM_IMPL(qemuCaps, QEMU_CAPS_LAST,
> "block-job-sync", /* 90 */
> "block-job-async",
> "scsi-cd",
> + "ide-cd",
> );
>
> struct qemu_feature_flags {
> @@ -1454,6 +1455,8 @@ qemuCapsParseDeviceStr(const char *str, virBitmapPtr flags)
> qemuCapsSet(flags, QEMU_CAPS_SCSI_BLOCK);
> if (strstr(str, "scsi-cd"))
> qemuCapsSet(flags, QEMU_CAPS_SCSI_CD);
> + if (strstr(str, "ide-cd"))
> + qemuCapsSet(flags, QEMU_CAPS_IDE_CD);
>
> return 0;
> }
> diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
> index 2aba502..7279cdb 100644
> --- a/src/qemu/qemu_capabilities.h
> +++ b/src/qemu/qemu_capabilities.h
> @@ -127,6 +127,7 @@ enum qemuCapsFlags {
> QEMU_CAPS_BLOCKJOB_SYNC = 90, /* RHEL 6.2 block_job_cancel */
> QEMU_CAPS_BLOCKJOB_ASYNC = 91, /* qemu 1.1 block-job-cancel */
> QEMU_CAPS_SCSI_CD = 92, /* -device scsi-cd */
> + QEMU_CAPS_IDE_CD = 93, /* -device ide-cd */
>
> QEMU_CAPS_LAST, /* this must always be the last item */
> };
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index ff82b26..26f691f 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -1982,6 +1982,9 @@ qemuBuildDriveStr(virConnectPtr conn ATTRIBUTE_UNUSED,
> if ((disk->bus == VIR_DOMAIN_DISK_BUS_SCSI)) {
> if (!qemuCapsGet(qemuCaps, QEMU_CAPS_SCSI_CD))
> virBufferAddLit(&opt, ",media=cdrom");
> + } else if (disk->bus == VIR_DOMAIN_DISK_BUS_IDE) {
> + if (!qemuCapsGet(qemuCaps, QEMU_CAPS_IDE_CD))
> + virBufferAddLit(&opt, ",media=cdrom");
> } else {
> virBufferAddLit(&opt, ",media=cdrom");
> }
> @@ -2205,7 +2208,16 @@ qemuBuildDriveDevStr(virDomainDefPtr def,
> _("target must be 0 for ide controller"));
> goto error;
> }
> - virBufferAddLit(&opt, "ide-drive");
> +
> + if (qemuCapsGet(qemuCaps, QEMU_CAPS_IDE_CD)) {
> + if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
> + virBufferAddLit(&opt, "ide-cd");
> + else
> + virBufferAddLit(&opt, "ide-hd");
> + } else {
> + virBufferAddLit(&opt, "ide-drive");
> + }
> +
> virBufferAsprintf(&opt, ",bus=ide.%d,unit=%d",
> disk->info.addr.drive.bus,
> disk->info.addr.drive.unit);
> @@ -2301,7 +2313,16 @@ qemuBuildDriveDevStr(virDomainDefPtr def,
> _("target must be 0 for ide controller"));
> goto error;
> }
> - virBufferAddLit(&opt, "ide-drive");
> +
> + if (qemuCapsGet(qemuCaps, QEMU_CAPS_IDE_CD)) {
> + if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
> + virBufferAddLit(&opt, "ide-cd");
> + else
> + virBufferAddLit(&opt, "ide-hd");
> + } else {
> + virBufferAddLit(&opt, "ide-drive");
> + }
> +
> virBufferAsprintf(&opt, ",bus=ahci%d.%d",
> disk->info.addr.drive.controller,
> disk->info.addr.drive.unit);
> diff --git a/tests/qemuhelptest.c b/tests/qemuhelptest.c
> index a01c389..d23b35a 100644
> --- a/tests/qemuhelptest.c
> +++ b/tests/qemuhelptest.c
> @@ -676,7 +676,8 @@ mymain(void)
> QEMU_CAPS_CPU_HOST,
> QEMU_CAPS_FSDEV_WRITEOUT,
> QEMU_CAPS_SCSI_BLOCK,
> - QEMU_CAPS_SCSI_CD);
> + QEMU_CAPS_SCSI_CD,
> + QEMU_CAPS_IDE_CD);
>
> return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
> }
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-drive-split.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-drive-split.args
> new file mode 100644
> index 0000000..e24490d
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-drive-split.args
> @@ -0,0 +1,8 @@
> +LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test \
> +/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults \
> +-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c \
> +-drive file=/dev/HostVG/QEMUGuest1,if=none,id=drive-ide0-0-1 \
> +-device ide-cd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 \
> +-drive file=/tmp/idedisk.img,if=none,id=drive-ide0-0-2 \
> +-device ide-hd,bus=ide.0,unit=2,drive=drive-ide0-0-2,id=ide0-0-2 \
> +-usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-drive-split.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-drive-split.xml
> new file mode 100644
> index 0000000..b965677
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-drive-split.xml
> @@ -0,0 +1,32 @@
> +<domain type='qemu'>
> + <name>QEMUGuest1</name>
> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
> + <memory unit='KiB'>219136</memory>
> + <currentMemory unit='KiB'>219136</currentMemory>
> + <vcpu>1</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</emulator>
> + <disk type='block' device='cdrom'>
> + <source dev='/dev/HostVG/QEMUGuest1'/>
> + <target dev='hda' bus='ide'/>
> + <address type='drive' controller='0' bus='0' target='0' unit='1'/>
> + </disk>
> + <disk type='file' device='disk'>
> + <source file='/tmp/idedisk.img'/>
> + <target dev='hdc' bus='ide'/>
> + <address type='drive' controller='0' bus='0' target='0' unit='2'/>
> + </disk>
> + <controller type='usb' index='0'/>
> + <controller type='ide' index='0'/>
> + <controller type='ide' index='1'/>
> + <memballoon model='virtio'/>
> + </devices>
> +</domain>
> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
> index cc1ac44..ee7a8e1 100644
> --- a/tests/qemuxml2argvtest.c
> +++ b/tests/qemuxml2argvtest.c
> @@ -758,6 +758,9 @@ mymain(void)
> QEMU_CAPS_CHARDEV, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
> DO_TEST("pseries-vio-address-clash", true, QEMU_CAPS_DRIVE,
> QEMU_CAPS_CHARDEV, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
> + DO_TEST("disk-ide-drive-split", false,
> + QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
> + QEMU_CAPS_IDE_CD);
>
> VIR_FREE(driver.stateDir);
> virCapabilitiesFree(driver.caps);
ACK
Daniel
--
|: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org -o- http://virt-manager.org :|
|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
More information about the libvir-list
mailing list