[libvirt] [PATCH v3 2/2] qemu: parse: Handle suffixes for -m memory
According to QEMU docs, the '-m' option for specifying RAM is by default
in MiB, and a suffix of "M" or "G" may be passed for values in MiB
and
GiB respectively. This commit adds support and a test for the same.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=812295
Signed-off-by: Nishith Shah <nishithshah.2211(a)gmail.com>
---
src/qemu/qemu_parse_command.c | 11 +++++--
tests/qemuargv2xmldata/qemuargv2xml-mem-scale.args | 22 +++++++++++++
tests/qemuargv2xmldata/qemuargv2xml-mem-scale.xml | 37 ++++++++++++++++++++++
tests/qemuargv2xmltest.c | 1 +
4 files changed, 69 insertions(+), 2 deletions(-)
create mode 100644 tests/qemuargv2xmldata/qemuargv2xml-mem-scale.args
create mode 100644 tests/qemuargv2xmldata/qemuargv2xml-mem-scale.xml
diff --git a/src/qemu/qemu_parse_command.c b/src/qemu/qemu_parse_command.c
index d0a9dc0..fb8d3d8 100644
--- a/src/qemu/qemu_parse_command.c
+++ b/src/qemu/qemu_parse_command.c
@@ -1645,8 +1645,15 @@ qemuParseCommandLineMem(virDomainDefPtr dom,
return -1;
}
- virDomainDefSetMemoryTotal(dom, mem * 1024);
- dom->mem.cur_balloon = mem * 1024;
+ if (virScaleInteger(&mem, end, 1024*1024, ULLONG_MAX) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("cannot scale memory: %s"),
+ virGetLastErrorMessage());
+ return -1;
+ }
+
+ virDomainDefSetMemoryTotal(dom, mem / 1024);
+ dom->mem.cur_balloon = mem / 1024;
return 0;
}
diff --git a/tests/qemuargv2xmldata/qemuargv2xml-mem-scale.args
b/tests/qemuargv2xmldata/qemuargv2xml-mem-scale.args
new file mode 100644
index 0000000..90da94d
--- /dev/null
+++ b/tests/qemuargv2xmldata/qemuargv2xml-mem-scale.args
@@ -0,0 +1,22 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu \
+-name QEMUGuest1 \
+-S \
+-M pc \
+-m 2G \
+-smp 1,maxcpus=2,sockets=2,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-nographic \
+-monitor unix:/tmp/test-monitor,server,nowait \
+-no-acpi \
+-boot c \
+-usb \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=ide,bus=0,unit=0 \
+-net none \
+-serial none \
+-parallel none
diff --git a/tests/qemuargv2xmldata/qemuargv2xml-mem-scale.xml
b/tests/qemuargv2xmldata/qemuargv2xml-mem-scale.xml
new file mode 100644
index 0000000..d4091f7
--- /dev/null
+++ b/tests/qemuargv2xmldata/qemuargv2xml-mem-scale.xml
@@ -0,0 +1,37 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>2097152</memory>
+ <currentMemory unit='KiB'>2097152</currentMemory>
+ <vcpu placement='static' current='1'>2</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <cpu>
+ <topology sockets='2' cores='1' threads='1'/>
+ </cpu>
+ <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'>
+ <driver name='qemu' type='raw'/>
+ <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'>
+ <address type='pci' domain='0x0000' bus='0x00'
slot='0x01' function='0x2'/>
+ </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'/>
+ <memballoon model='none'/>
+ </devices>
+</domain>
diff --git a/tests/qemuargv2xmltest.c b/tests/qemuargv2xmltest.c
index 48c83ea..30fa310 100644
--- a/tests/qemuargv2xmltest.c
+++ b/tests/qemuargv2xmltest.c
@@ -264,6 +264,7 @@ mymain(void)
DO_TEST("hostdev-pci-address");
+ DO_TEST("mem-scale");
DO_TEST("smp");
DO_TEST("hyperv");
--
2.1.4