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qemu_command: Use consistent syntax for CPU features

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Normal CPU features use modern -cpu ...,feature=on|off syntax when
available, but kvm features kept using the old +feature or -feature.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Jiri Denemark 2019-06-11 14:47:46 +02:00
parent 4c402598de
commit e1ba407396
6 changed files with 26 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
src/qemu/qemu_command.c
View File

@ -7039,6 +7039,19 @@ qemuBuildGlobalControllerCommandLine(virCommandPtr cmd,
}
static void
qemuBuildCpuFeature(virQEMUCapsPtr qemuCaps,
virBufferPtr buf,
const char *name,
bool state)
{
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_QUERY_CPU_MODEL_EXPANSION))
virBufferAsprintf(buf, ",%s=%s", name, state ? "on" : "off");
else
virBufferAsprintf(buf, ",%c%s", state ? '+' : '-', name);
}
static int
qemuBuildCpuModelArgStr(virQEMUDriverPtr driver,
const virDomainDef *def,
@ -7109,18 +7122,12 @@ qemuBuildCpuModelArgStr(virQEMUDriverPtr driver,
switch ((virCPUFeaturePolicy) cpu->features[i].policy) {
case VIR_CPU_FEATURE_FORCE:
case VIR_CPU_FEATURE_REQUIRE:
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_QUERY_CPU_MODEL_EXPANSION))
virBufferAsprintf(buf, ",%s=on", cpu->features[i].name);
else
virBufferAsprintf(buf, ",+%s", cpu->features[i].name);
qemuBuildCpuFeature(qemuCaps, buf, cpu->features[i].name, true);
break;
case VIR_CPU_FEATURE_DISABLE:
case VIR_CPU_FEATURE_FORBID:
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_QUERY_CPU_MODEL_EXPANSION))
virBufferAsprintf(buf, ",%s=off", cpu->features[i].name);
else
virBufferAsprintf(buf, ",-%s", cpu->features[i].name);
qemuBuildCpuFeature(qemuCaps, buf, cpu->features[i].name, false);
break;
case VIR_CPU_FEATURE_OPTIONAL:
@ -7179,8 +7186,8 @@ qemuBuildCpuCommandLine(virCommandPtr cmd,
if (timer->name == VIR_DOMAIN_TIMER_NAME_KVMCLOCK &&
timer->present != -1) {
virBufferAsprintf(&buf, ",%ckvmclock",
timer->present ? '+' : '-');
qemuBuildCpuFeature(qemuCaps, &buf, "kvmclock",
!!timer->present);
} else if (timer->name == VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK &&
timer->present == 1) {
virBufferAddLit(&buf, ",hv_time");
@ -7191,24 +7198,13 @@ qemuBuildCpuCommandLine(virCommandPtr cmd,
}
if (def->apic_eoi) {
char sign;
if (def->apic_eoi == VIR_TRISTATE_SWITCH_ON)
sign = '+';
else
sign = '-';
virBufferAsprintf(&buf, ",%ckvm_pv_eoi", sign);
qemuBuildCpuFeature(qemuCaps, &buf, "kvm_pv_eoi",
def->apic_eoi == VIR_TRISTATE_SWITCH_ON);
}
if (def->features[VIR_DOMAIN_FEATURE_PVSPINLOCK]) {
char sign;
if (def->features[VIR_DOMAIN_FEATURE_PVSPINLOCK] ==
VIR_TRISTATE_SWITCH_ON)
sign = '+';
else
sign = '-';
virBufferAsprintf(&buf, ",%ckvm_pv_unhalt", sign);
qemuBuildCpuFeature(qemuCaps, &buf, "kvm_pv_unhalt",
def->features[VIR_DOMAIN_FEATURE_PVSPINLOCK] == VIR_TRISTATE_SWITCH_ON);
}
if (def->features[VIR_DOMAIN_FEATURE_HYPERV] == VIR_TRISTATE_SWITCH_ON) {

2
tests/qemuxml2argvdata/eoi-disabled.x86_64-latest.args
View File

@ -13,7 +13,7 @@ QEMU_AUDIO_DRV=none \
-object secret,id=masterKey0,format=raw,\
file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
-machine pc,accel=tcg,usb=off,dump-guest-core=off \
-cpu qemu32,-kvm_pv_eoi \
-cpu qemu32,kvm_pv_eoi=off \
-m 214 \
-overcommit mem-lock=off \
-smp 6,sockets=6,cores=1,threads=1 \

2
tests/qemuxml2argvdata/eoi-enabled.x86_64-latest.args
View File

@ -13,7 +13,7 @@ QEMU_AUDIO_DRV=none \
-object secret,id=masterKey0,format=raw,\
file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
-machine pc,accel=tcg,usb=off,dump-guest-core=off \
-cpu qemu32,+kvm_pv_eoi \
-cpu qemu32,kvm_pv_eoi=on \
-m 214 \
-overcommit mem-lock=off \
-smp 6,sockets=6,cores=1,threads=1 \

2
tests/qemuxml2argvdata/kvmclock+eoi-disabled.x86_64-latest.args
View File

@ -13,7 +13,7 @@ QEMU_AUDIO_DRV=none \
-object secret,id=masterKey0,format=raw,\
file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
-machine pc,accel=tcg,usb=off,dump-guest-core=off \
-cpu qemu32,-kvmclock,-kvm_pv_eoi \
-cpu qemu32,kvmclock=off,kvm_pv_eoi=off \
-m 214 \
-overcommit mem-lock=off \
-smp 6,sockets=6,cores=1,threads=1 \

2
tests/qemuxml2argvdata/pv-spinlock-disabled.x86_64-latest.args
View File

@ -13,7 +13,7 @@ QEMU_AUDIO_DRV=none \
-object secret,id=masterKey0,format=raw,\
file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
-machine pc,accel=tcg,usb=off,dump-guest-core=off \
-cpu qemu32,-kvm_pv_unhalt \
-cpu qemu32,kvm_pv_unhalt=off \
-m 214 \
-overcommit mem-lock=off \
-smp 6,sockets=6,cores=1,threads=1 \

2
tests/qemuxml2argvdata/pv-spinlock-enabled.x86_64-latest.args
View File

@ -13,7 +13,7 @@ QEMU_AUDIO_DRV=none \
-object secret,id=masterKey0,format=raw,\
file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
-machine pc,accel=tcg,usb=off,dump-guest-core=off \
-cpu qemu32,+kvm_pv_unhalt \
-cpu qemu32,kvm_pv_unhalt=on \
-m 214 \
-overcommit mem-lock=off \
-smp 6,sockets=6,cores=1,threads=1 \