[libvirt] [PATCH 23/34] Convert audio devices over to -device syntax
Daniel Veillard
veillard at redhat.com
Fri Jan 15 17:06:19 UTC 2010
On Fri, Jan 08, 2010 at 05:23:19PM +0000, Daniel P. Berrange wrote:
> The current syntax for audio devices is a horrible multiplexed
> arg
>
> -soundhw sb16,pcspk,ac97
>
> The new syntax is
>
> -device sb16,id=sound0
>
> or
>
> -device AC97,id=sound1,addr=<PCI SLOT>
>
> NB, pcspk still uses the old -soundhw syntax
> ---
> src/qemu/qemu_conf.c | 97 ++++++++++++++++----
> .../qemuxml2argv-sound-device.args | 1 +
> .../qemuxml2argvdata/qemuxml2argv-sound-device.xml | 26 +++++
> tests/qemuxml2argvtest.c | 1 +
> 4 files changed, 106 insertions(+), 19 deletions(-)
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-sound-device.args
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-sound-device.xml
>
> diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
> index fa16f8c..067fe42 100644
> --- a/src/qemu/qemu_conf.c
> +++ b/src/qemu/qemu_conf.c
> @@ -2052,7 +2052,44 @@ error:
> return NULL;
> }
>
> -/* this function outputs a -chardev command line option which describes only the
> +
> +static char *
> +qemuBuildSoundDevStr(virDomainSoundDefPtr sound)
> +{
> + virBuffer buf = VIR_BUFFER_INITIALIZER;
> + const char *model = virDomainSoundModelTypeToString(sound->model);
> +
> + if (!model) {
> + qemudReportError(NULL, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
> + "%s", _("invalid sound model"));
> + goto error;
> + }
> +
> + /* Hack for 2 wierdly unusal devices name in QEMU */
> + if (STREQ(model, "es1370"))
> + model = "ES1370";
> + else if (STREQ(model, "ac97"))
> + model = "AC97";
> +
> + virBufferVSprintf(&buf, "%s", model);
> + virBufferVSprintf(&buf, ",id=%s", sound->info.alias);
> + if (qemuBuildDeviceAddressStr(&buf, &sound->info) < 0)
> + goto error;
> +
> + if (virBufferError(&buf)) {
> + virReportOOMError(NULL);
> + goto error;
> + }
> +
> + return virBufferContentAndReset(&buf);
> +
> +error:
> + virBufferFreeAndReset(&buf);
> + return NULL;
> +}
> +
> +
> +/* This function outputs a -chardev command line option which describes only the
> * host side of the character device */
> static void qemudBuildCommandLineChrDevChardevStr(virDomainChrDefPtr dev,
> virBufferPtr buf)
> @@ -3121,27 +3158,49 @@ int qemudBuildCommandLine(virConnectPtr conn,
>
> /* Add sound hardware */
> if (def->nsounds) {
> - int size = 100;
> - char *modstr;
> - if (VIR_ALLOC_N(modstr, size+1) < 0)
> - goto no_memory;
> + if (qemuCmdFlags & QEMUD_CMD_FLAG_DEVICE) {
> + for (i = 0 ; i < def->nsounds ; i++) {
> + virDomainSoundDefPtr sound = def->sounds[i];
> + char *str = NULL;
> +
> + /* Sadly pcspk device doesn't use -device syntax. Fortunately
> + * we don't need to set any PCI address on it, so we don't
> + * mind too much */
> + if (sound->model == VIR_DOMAIN_SOUND_MODEL_PCSPK) {
> + ADD_ARG_LIT("-soundhw");
> + ADD_ARG_LIT("pcspk");
> + } else {
> + ADD_ARG_LIT("-device");
>
> - for (i = 0 ; i < def->nsounds && size > 0 ; i++) {
> - virDomainSoundDefPtr sound = def->sounds[i];
> - const char *model = virDomainSoundModelTypeToString(sound->model);
> - if (!model) {
> - VIR_FREE(modstr);
> - qemudReportError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
> - "%s", _("invalid sound model"));
> - goto error;
> + if (!(str = qemuBuildSoundDevStr(sound)))
> + goto error;
> +
> + ADD_ARG(str);
> + }
> + }
> + } else {
> + int size = 100;
> + char *modstr;
> + if (VIR_ALLOC_N(modstr, size+1) < 0)
> + goto no_memory;
> +
> + for (i = 0 ; i < def->nsounds && size > 0 ; i++) {
> + virDomainSoundDefPtr sound = def->sounds[i];
> + const char *model = virDomainSoundModelTypeToString(sound->model);
> + if (!model) {
> + VIR_FREE(modstr);
> + qemudReportError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
> + "%s", _("invalid sound model"));
> + goto error;
> + }
> + strncat(modstr, model, size);
> + size -= strlen(model);
> + if (i < (def->nsounds - 1))
> + strncat(modstr, ",", size--);
> }
> - strncat(modstr, model, size);
> - size -= strlen(model);
> - if (i < (def->nsounds - 1))
> - strncat(modstr, ",", size--);
> + ADD_ARG_LIT("-soundhw");
> + ADD_ARG(modstr);
> }
> - ADD_ARG_LIT("-soundhw");
> - ADD_ARG(modstr);
> }
>
> /* Add watchdog hardware */
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-sound-device.args b/tests/qemuxml2argvdata/qemuxml2argv-sound-device.args
> new file mode 100644
> index 0000000..31ac0ee
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-sound-device.args
> @@ -0,0 +1 @@
> +LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefaults -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -usb -soundhw pcspk -device ES1370,id=sound1 -device sb16,id=sound2 -device AC97,id=sound3
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-sound-device.xml b/tests/qemuxml2argvdata/qemuxml2argv-sound-device.xml
> new file mode 100644
> index 0000000..8c33e6c
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-sound-device.xml
> @@ -0,0 +1,26 @@
> +<domain type='qemu'>
> + <name>QEMUGuest1</name>
> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
> + <memory>219200</memory>
> + <currentMemory>219200</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='disk'>
> + <source dev='/dev/HostVG/QEMUGuest1'/>
> + <target dev='hda' bus='ide'/>
> + </disk>
> + <sound model='pcspk'/>
> + <sound model='es1370'/>
> + <sound model='sb16'/>
> + <sound model='ac97'/>
> + </devices>
> +</domain>
> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
> index 6bfc217..55e7d58 100644
> --- a/tests/qemuxml2argvtest.c
> +++ b/tests/qemuxml2argvtest.c
> @@ -293,6 +293,7 @@ mymain(int argc, char **argv)
> DO_TEST("watchdog", 0);
> DO_TEST("watchdog-device", QEMUD_CMD_FLAG_DEVICE);
> DO_TEST("sound", 0);
> + DO_TEST("sound-device", QEMUD_CMD_FLAG_DEVICE);
>
> DO_TEST("hostdev-usb-product", 0);
> DO_TEST("hostdev-usb-address", 0);
ACK
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel at veillard.com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
More information about the libvir-list
mailing list