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ppc/spapr: Allow FWNMI on TCG 

There should no longer be a reason to prevent TCG providing FWNMI.
System Reset interrupts are generated to the guest with nmi monitor
command and H_SIGNAL_SYS_RESET. Machine Checks can not be injected
currently, but this could be implemented with the mce monitor cmd
similarly to i386.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20200316142613.121089-6-npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
[dwg: Re-enable FWNMI in qtests, since that now works]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nicholas Piggin 2020-03-17 00:26:10 +10:00 committed by David Gibson
parent ad77c6ca0c
commit 89ba45652b
2 changed files with 2 additions and 6 deletions
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5
hw/ppc/spapr_caps.c
View File

@ -516,10 +516,7 @@ static void cap_fwnmi_apply(SpaprMachineState *spapr, uint8_t val,
return; /* Disabled by default */
}
if (tcg_enabled()) {
warn_report("Firmware Assisted Non-Maskable Interrupts(FWNMI) not "
"supported in TCG");
} else if (kvm_enabled()) {
if (kvm_enabled()) {
if (kvmppc_set_fwnmi() < 0) {
error_setg(errp, "Firmware Assisted Non-Maskable Interrupts(FWNMI) "
"not supported by KVM");

3
tests/qtest/libqos/libqos-spapr.h
View File

@ -12,7 +12,6 @@ void qtest_spapr_shutdown(QOSState *qs);
"cap-cfpc=broken," \
"cap-sbbc=broken," \
"cap-ibs=broken," \
"cap-ccf-assist=off," \
"cap-fwnmi=off"
"cap-ccf-assist=off,"
#endif