[libvirt] [PATCH v3 libvirt 3/3] qemu: add support for MTP filesystem
Giuseppe Scrivano
gscrivan at redhat.com
Tue Aug 19 20:11:37 UTC 2014
Generate the qemu command line option:
-device 'usb-mtp,root=$SRC,desc=$TARGET'
from the definition XML:
<filesystem type='mount'>
<source dir='$SRC'/>
<target dir='$TARGET'/>
<model type='mtp'/>
</filesystem>
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1121781
Signed-off-by: Giuseppe Scrivano <gscrivan at redhat.com>
---
src/qemu/qemu_command.c | 65 ++++++++++++++++----------
tests/qemuxml2argvdata/qemuxml2argv-fsmtp.args | 6 +++
tests/qemuxml2argvdata/qemuxml2argv-fsmtp.xml | 30 ++++++++++++
3 files changed, 77 insertions(+), 24 deletions(-)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fsmtp.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fsmtp.xml
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index b68695d..850fd71 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -2060,8 +2060,9 @@ qemuAssignDevicePCISlots(virDomainDefPtr def,
if (def->fss[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
- /* Only support VirtIO-9p-pci so far. If that changes,
- * we might need to skip devices here */
+ if (def->fss[i]->model == VIR_DOMAIN_FS_MODEL_MTP)
+ continue;
+
if (virDomainPCIAddressReserveNextSlot(addrs, &def->fss[i]->info,
flags) < 0)
goto error;
@@ -3956,12 +3957,6 @@ char *qemuBuildFSStr(virDomainFSDefPtr fs,
const char *driver = qemuDomainFSDriverTypeToString(fs->fsdriver);
const char *wrpolicy = virDomainFSWrpolicyTypeToString(fs->wrpolicy);
- if (fs->type != VIR_DOMAIN_FS_TYPE_MOUNT) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("only supports mount filesystem type"));
- goto error;
- }
-
if (!driver) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Filesystem driver type not supported"));
@@ -4030,22 +4025,36 @@ qemuBuildFSDevStr(virDomainDefPtr def,
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
- if (fs->type != VIR_DOMAIN_FS_TYPE_MOUNT) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("can only passthrough directories"));
- goto error;
- }
+ if (fs->type == VIR_DOMAIN_FS_TYPE_MOUNT) {
- virBufferAddLit(&opt, "virtio-9p-pci");
- virBufferAsprintf(&opt, ",id=%s", fs->info.alias);
- virBufferAsprintf(&opt, ",fsdev=%s%s", QEMU_FSDEV_HOST_PREFIX, fs->info.alias);
- virBufferAsprintf(&opt, ",mount_tag=%s", fs->dst);
+ switch ((virDomainFSModel) fs->model) {
+ case VIR_DOMAIN_FS_MODEL_MTP:
+ virBufferAddLit(&opt, "usb-mtp");
+ virBufferAsprintf(&opt, ",root=%s,desc=%s", fs->src, fs->dst);
+ break;
+ case VIR_DOMAIN_FS_MODEL_DEFAULT:
+ case VIR_DOMAIN_FS_MODEL_9P:
+ virBufferAddLit(&opt, "virtio-9p-pci");
+ virBufferAsprintf(&opt, ",id=%s", fs->info.alias);
+ virBufferAsprintf(&opt, ",fsdev=%s%s", QEMU_FSDEV_HOST_PREFIX,
+ fs->info.alias);
+ virBufferAsprintf(&opt, ",mount_tag=%s", fs->dst);
+ if (qemuBuildDeviceAddressStr(&opt, def, &fs->info, qemuCaps) < 0)
+ goto error;
+ break;
- if (qemuBuildDeviceAddressStr(&opt, def, &fs->info, qemuCaps) < 0)
- goto error;
+ case VIR_DOMAIN_FS_MODEL_LAST:
+ /* nada */
+ break;
+ }
- if (virBufferCheckError(&opt) < 0)
+ if (virBufferCheckError(&opt) < 0)
+ goto error;
+ } else {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("unsupported filesystem type"));
goto error;
+ }
return virBufferContentAndReset(&opt);
@@ -8320,11 +8329,19 @@ qemuBuildCommandLine(virConnectPtr conn,
char *optstr;
virDomainFSDefPtr fs = def->fss[i];
- virCommandAddArg(cmd, "-fsdev");
- if (!(optstr = qemuBuildFSStr(fs, qemuCaps)))
+ if (fs->type != VIR_DOMAIN_FS_TYPE_MOUNT) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("only supports mount filesystem type"));
goto error;
- virCommandAddArg(cmd, optstr);
- VIR_FREE(optstr);
+ }
+
+ if (fs->model != VIR_DOMAIN_FS_MODEL_MTP) {
+ virCommandAddArg(cmd, "-fsdev");
+ if (!(optstr = qemuBuildFSStr(fs, qemuCaps)))
+ goto error;
+ virCommandAddArg(cmd, optstr);
+ VIR_FREE(optstr);
+ }
virCommandAddArg(cmd, "-device");
if (!(optstr = qemuBuildFSDevStr(def, fs, qemuCaps)))
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fsmtp.args b/tests/qemuxml2argvdata/qemuxml2argv-fsmtp.args
new file mode 100644
index 0000000..8a1dfeb
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fsmtp.args
@@ -0,0 +1,6 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M \
+pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults -monitor \
+unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb -hda \
+/dev/HostVG/QEMUGuest1 -device virtio-mtp,root=/tmp/mtp,desc=mtpfs \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fsmtp.xml b/tests/qemuxml2argvdata/qemuxml2argv-fsmtp.xml
new file mode 100644
index 0000000..e811183
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fsmtp.xml
@@ -0,0 +1,30 @@
+<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'>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'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
+ <controller type='usb' index='0'/>
+ <controller type='ide' index='0'/>
+ <filesystem type='mount'>
+ <source dir='/tmp/mtp'/>
+ <target dir='mtpfs'/>
+ <model type='mtp'/>
+ </filesystem>
+ </devices>
+</domain>
--
1.9.3
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