diff options
Diffstat (limited to 'hw/intc/xics_kvm.c')
| -rw-r--r-- | hw/intc/xics_kvm.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c index 12bd5190cf..5ba5b77561 100644 --- a/hw/intc/xics_kvm.c +++ b/hw/intc/xics_kvm.c @@ -33,6 +33,7 @@ #include "trace.h" #include "sysemu/kvm.h" #include "hw/ppc/spapr.h" +#include "hw/ppc/spapr_cpu_core.h" #include "hw/ppc/xics.h" #include "hw/ppc/xics_spapr.h" #include "kvm_ppc.h" @@ -342,6 +343,16 @@ static void rtas_dummy(PowerPCCPU *cpu, SpaprMachineState *spapr, int xics_kvm_init(SpaprMachineState *spapr, Error **errp) { int rc; + CPUState *cs; + Error *local_err = NULL; + + /* + * The KVM XICS device already in use. This is the case when + * rebooting under the XICS-only interrupt mode. + */ + if (kernel_xics_fd != -1) { + return 0; + } if (!kvm_enabled() || !kvm_check_extension(kvm_state, KVM_CAP_IRQ_XICS)) { error_setg(errp, @@ -390,6 +401,26 @@ int xics_kvm_init(SpaprMachineState *spapr, Error **errp) kvm_msi_via_irqfd_allowed = true; kvm_gsi_direct_mapping = true; + /* Create the presenters */ + CPU_FOREACH(cs) { + PowerPCCPU *cpu = POWERPC_CPU(cs); + + icp_kvm_realize(DEVICE(spapr_cpu_state(cpu)->icp), &local_err); + if (local_err) { + error_propagate(errp, local_err); + goto fail; + } + } + + /* Update the KVM sources */ + ics_set_kvm_state(spapr->ics); + + /* Connect the presenters to the initial VCPUs of the machine */ + CPU_FOREACH(cs) { + PowerPCCPU *cpu = POWERPC_CPU(cs); + icp_set_kvm_state(spapr_cpu_state(cpu)->icp); + } + return 0; fail: |