Introduce kvm_arch_pre_create_vcpu(), to perform arch-dependent work prior to create any vcpu. This is for i386 TDX because it needs call TDX_INIT_VM before creating any vcpu. Signed-off-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx> Acked-by: Gerd Hoffmann <kraxel@xxxxxxxxxx> --- Changes in v3: - pass @errp to kvm_arch_pre_create_vcpu(); (Per Daniel) --- accel/kvm/kvm-all.c | 10 ++++++++++ include/sysemu/kvm.h | 1 + 2 files changed, 11 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 082f31446c97..6b5f4d62f961 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -428,6 +428,11 @@ static int kvm_get_vcpu(KVMState *s, unsigned long vcpu_id) return kvm_vm_ioctl(s, KVM_CREATE_VCPU, (void *)vcpu_id); } +int __attribute__ ((weak)) kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp) +{ + return 0; +} + int kvm_init_vcpu(CPUState *cpu, Error **errp) { KVMState *s = kvm_state; @@ -436,6 +441,11 @@ int kvm_init_vcpu(CPUState *cpu, Error **errp) trace_kvm_init_vcpu(cpu->cpu_index, kvm_arch_vcpu_id(cpu)); + ret = kvm_arch_pre_create_vcpu(cpu, errp); + if (ret < 0) { + goto err; + } + ret = kvm_get_vcpu(s, kvm_arch_vcpu_id(cpu)); if (ret < 0) { error_setg_errno(errp, -ret, "kvm_init_vcpu: kvm_get_vcpu failed (%lu)", diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 0e88958190a4..2f6592859ac6 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -341,6 +341,7 @@ int kvm_arch_get_default_type(MachineState *ms); int kvm_arch_init(MachineState *ms, KVMState *s); +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp); int kvm_arch_init_vcpu(CPUState *cpu); int kvm_arch_destroy_vcpu(CPUState *cpu); -- 2.34.1