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From 62e42f5b6d56ac400274695dc3bd6499219e41b7 Mon Sep 17 00:00:00 2001
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Message-Id: <62e42f5b6d56ac400274695dc3bd6499219e41b7@dist-git>
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From: Andrea Bolognani <abologna@redhat.com>
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Date: Tue, 3 Jul 2018 15:25:17 +0200
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Subject: [PATCH] qemu: Format the HTM pSeries feature
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This makes the feature fully operational.
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https://bugzilla.redhat.com/show_bug.cgi?id=1525599
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Signed-off-by: Andrea Bolognani <abologna@redhat.com>
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Reviewed-by: John Ferlan <jferlan@redhat.com>
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(cherry picked from commit d4c11171076edfb2e603804e79edf7ccc3cce5dc)
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Signed-off-by: Andrea Bolognani <abologna@redhat.com>
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Acked-by: David Gibson <dgibson@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/qemu/qemu_command.c | 20 ++++++++++++++++++++
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src/qemu/qemu_domain.c | 14 +++++++++++++-
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tests/qemuxml2argvdata/pseries-features.args | 2 +-
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3 files changed, 34 insertions(+), 2 deletions(-)
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diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
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index c1eefca639..4120e4f983 100644
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--- a/src/qemu/qemu_command.c
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+++ b/src/qemu/qemu_command.c
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@@ -7327,6 +7327,26 @@ qemuBuildMachineCommandLine(virCommandPtr cmd,
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}
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}
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+ if (def->features[VIR_DOMAIN_FEATURE_HTM] != VIR_TRISTATE_SWITCH_ABSENT) {
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+ const char *str;
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+
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+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_PSERIES_CAP_HTM)) {
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+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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+ _("HTM configuration is not supported by this "
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+ "QEMU binary"));
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+ goto cleanup;
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+ }
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+
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+ str = virTristateSwitchTypeToString(def->features[VIR_DOMAIN_FEATURE_HTM]);
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+ if (!str) {
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+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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+ _("Invalid setting for HTM state"));
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+ goto cleanup;
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+ }
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+
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+ virBufferAsprintf(&buf, ",cap-htm=%s", str);
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+ }
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+
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if (cpu && cpu->model &&
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cpu->mode == VIR_CPU_MODE_HOST_MODEL &&
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qemuDomainIsPSeries(def) &&
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diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
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index 0eacad1e44..3f3bb94685 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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@@ -3852,6 +3852,19 @@ qemuDomainDefValidateFeatures(const virDomainDef *def,
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}
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break;
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+ case VIR_DOMAIN_FEATURE_HTM:
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+ if (def->features[i] != VIR_TRISTATE_SWITCH_ABSENT &&
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+ !qemuDomainIsPSeries(def)) {
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+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
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+ _("The '%s' feature is not supported for "
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+ "architecture '%s' or machine type '%s'"),
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+ featureName,
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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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+ break;
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+
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case VIR_DOMAIN_FEATURE_ACPI:
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case VIR_DOMAIN_FEATURE_APIC:
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case VIR_DOMAIN_FEATURE_PAE:
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@@ -3865,7 +3878,6 @@ qemuDomainDefValidateFeatures(const virDomainDef *def,
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case VIR_DOMAIN_FEATURE_PMU:
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case VIR_DOMAIN_FEATURE_VMPORT:
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case VIR_DOMAIN_FEATURE_VMCOREINFO:
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- case VIR_DOMAIN_FEATURE_HTM:
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case VIR_DOMAIN_FEATURE_LAST:
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break;
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}
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diff --git a/tests/qemuxml2argvdata/pseries-features.args b/tests/qemuxml2argvdata/pseries-features.args
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index 12c14715c6..226d43df44 100644
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--- a/tests/qemuxml2argvdata/pseries-features.args
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+++ b/tests/qemuxml2argvdata/pseries-features.args
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@@ -8,7 +8,7 @@ QEMU_AUDIO_DRV=none \
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-name guest \
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-S \
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-machine pseries,accel=tcg,usb=off,dump-guest-core=off,resize-hpt=required,\
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-cap-hpt-max-page-size=1048576k \
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+cap-hpt-max-page-size=1048576k,cap-htm=on \
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-m 512 \
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-smp 1,sockets=1,cores=1,threads=1 \
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-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
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--
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2.18.0
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