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machine: Add wakeup method to MachineClass

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Waking from suspend is not logically a machine reset on all machines,
particularly in the paravirtualized case rather than hardware
emulated. The ppc spapr machine for example just invokes hypervisor
to suspend, and expects that call to return with the machine in the
same state (modulo some possible migration and reconfiguration
details).

Implement a machine ->wakeup method and use that if it exists.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20190722053215.20808-2-npiggin@gmail.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nicholas Piggin 2019-07-22 15:32:13 +10:00 • committed by David Gibson
parent c5e760e0f2
commit 4b5e06c946
2 changed files with 18 additions and 1 deletions
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1
include/hw/boards.h
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@ -180,6 +180,7 @@ struct MachineClass {
void (*init)(MachineState *state);
void (*reset)(MachineState *state);
void (*wakeup)(MachineState *state);
void (*hot_add_cpu)(MachineState *state, const int64_t id, Error **errp);
int (*kvm_type)(MachineState *machine, const char *arg);
void (*smp_parse)(MachineState *ms, QemuOpts *opts);