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From 8152b6ac3b740bfe1155e3c4c251684cc5b3192e Mon Sep 17 00:00:00 2001
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Message-Id: <8152b6ac3b740bfe1155e3c4c251684cc5b3192e@dist-git>
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From: Andrea Bolognani <abologna@redhat.com>
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Date: Fri, 14 Feb 2020 13:12:36 +0100
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Subject: [PATCH] qemu: Validate configuration for the armvtimer timer
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Its use is limited to certain guest types, and it only supports
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a subset of all possible tick policies.
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Signed-off-by: Andrea Bolognani <abologna@redhat.com>
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Reviewed-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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(cherry picked from commit aeddab230cd1e2a12d5d6352971bb70ea067a1c4)
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https://bugzilla.redhat.com/show_bug.cgi?id=1762634
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Signed-off-by: Andrea Bolognani <abologna@redhat.com>
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Message-Id: <20200214121237.623948-6-abologna@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/qemu/qemu_domain.c | 38 ++++++++++++++++++++++++++++++++++++++
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1 file changed, 38 insertions(+)
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diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
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index 4de4f9da53..1bed117eb0 100644
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--- a/src/qemu/qemu_domain.c
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+++ b/src/qemu/qemu_domain.c
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@@ -5506,6 +5506,44 @@ qemuDomainDefValidateClockTimers(const virDomainDef *def,
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break;
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case VIR_DOMAIN_TIMER_NAME_ARMVTIMER:
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+ if (def->virtType != VIR_DOMAIN_VIRT_KVM ||
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+ !qemuDomainIsARMVirt(def)) {
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+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
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+ _("Configuring the '%s' timer is not supported "
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+ "for virtType=%s arch=%s machine=%s guests"),
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+ virDomainTimerNameTypeToString(timer->name),
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+ virDomainVirtTypeToString(def->virtType),
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+ virArchToString(def->os.arch),
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+ def->os.machine);
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+ return -1;
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+ }
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+ if (timer->present == 0) {
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+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
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+ _("The '%s' timer can't be disabled"),
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+ virDomainTimerNameTypeToString(timer->name));
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+ return -1;
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+ }
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+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CPU_KVM_NO_ADJVTIME)) {
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+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
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+ _("Configuring the '%s' timer is not supported "
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+ "with this QEMU binary"),
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+ virDomainTimerNameTypeToString(timer->name));
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+ return -1;
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+ }
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+
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+ switch (timer->tickpolicy) {
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+ case -1:
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+ case VIR_DOMAIN_TIMER_TICKPOLICY_DELAY:
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+ case VIR_DOMAIN_TIMER_TICKPOLICY_DISCARD:
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+ break;
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+ case VIR_DOMAIN_TIMER_TICKPOLICY_CATCHUP:
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+ case VIR_DOMAIN_TIMER_TICKPOLICY_MERGE:
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+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
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+ _("The '%s' timer does not support tickpolicy '%s'"),
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+ virDomainTimerNameTypeToString(timer->name),
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+ virDomainTimerTickpolicyTypeToString(timer->tickpolicy));
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+ return -1;
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+ }
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break;
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}
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}
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--
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2.25.0
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