| Message ID | 20230713084405.24545-3-yongxuan.wang@sifive.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add RISC-V KVM AIA Support | expand |
On Thu, Jul 13, 2023 at 08:43:54AM +0000, Yong-Xuan Wang wrote: > We check the in-kernel irqchip support when using KVM acceleration. > > Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com> > Reviewed-by: Jim Shu <jim.shu@sifive.com> > Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> > --- > target/riscv/kvm.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/target/riscv/kvm.c b/target/riscv/kvm.c > index 9d8a8982f9..005e054604 100644 > --- a/target/riscv/kvm.c > +++ b/target/riscv/kvm.c > @@ -914,7 +914,15 @@ int kvm_arch_init(MachineState *ms, KVMState *s) > > int kvm_arch_irqchip_create(KVMState *s) > { > - return 0; > + if (kvm_kernel_irqchip_split()) { > + error_report("-machine kernel_irqchip=split is not supported on RISC-V."); > + exit(1); > + } > + > + /* > + * We can create the VAIA using the newer device control API. > + */ > + return kvm_check_extension(s, KVM_CAP_DEVICE_CTRL); > } > > int kvm_arch_process_async_events(CPUState *cs) > -- > 2.17.1 > Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
diff --git a/target/riscv/kvm.c b/target/riscv/kvm.c index 9d8a8982f9..005e054604 100644 --- a/target/riscv/kvm.c +++ b/target/riscv/kvm.c @@ -914,7 +914,15 @@ int kvm_arch_init(MachineState *ms, KVMState *s) int kvm_arch_irqchip_create(KVMState *s) { - return 0; + if (kvm_kernel_irqchip_split()) { + error_report("-machine kernel_irqchip=split is not supported on RISC-V."); + exit(1); + } + + /* + * We can create the VAIA using the newer device control API. + */ + return kvm_check_extension(s, KVM_CAP_DEVICE_CTRL); } int kvm_arch_process_async_events(CPUState *cs)