diff options
| -rw-r--r-- | hw/ppc/spapr.c | 5 | ||||
| -rw-r--r-- | target-ppc/kvm.c | 17 | ||||
| -rw-r--r-- | target-ppc/kvm_ppc.h | 5 |
3 files changed, 27 insertions, 0 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 2e9ac87630..f174e5a0f3 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1506,6 +1506,11 @@ static void ppc_spapr_init(MachineState *machine) qemu_register_reset(spapr_cpu_reset, cpu); } + if (kvm_enabled()) { + /* Enable H_LOGICAL_CI_* so SLOF can talk to in-kernel devices */ + kvmppc_enable_logical_ci_hcalls(); + } + /* allocate RAM */ spapr->ram_limit = ram_size; memory_region_allocate_system_memory(ram, NULL, "ppc_spapr.ram", diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index 1da9ea81e5..97a50b1de3 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -1884,6 +1884,23 @@ int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len) return 0; } +static inline int kvmppc_enable_hcall(KVMState *s, target_ulong hcall) +{ + return kvm_vm_enable_cap(s, KVM_CAP_PPC_ENABLE_HCALL, 0, hcall, 1); +} + +void kvmppc_enable_logical_ci_hcalls(void) +{ + /* + * FIXME: it would be nice if we could detect the cases where + * we're using a device which requires the in kernel + * implementation of these hcalls, but the kernel lacks them and + * produce a warning. + */ + kvmppc_enable_hcall(kvm_state, H_LOGICAL_CI_LOAD); + kvmppc_enable_hcall(kvm_state, H_LOGICAL_CI_STORE); +} + void kvmppc_set_papr(PowerPCCPU *cpu) { CPUState *cs = CPU(cpu); diff --git a/target-ppc/kvm_ppc.h b/target-ppc/kvm_ppc.h index 2e0224c6af..4d30e27951 100644 --- a/target-ppc/kvm_ppc.h +++ b/target-ppc/kvm_ppc.h @@ -24,6 +24,7 @@ bool kvmppc_get_host_serial(char **buf); int kvmppc_get_hasidle(CPUPPCState *env); int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len); int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level); +void kvmppc_enable_logical_ci_hcalls(void); void kvmppc_set_papr(PowerPCCPU *cpu); int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version); void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy); @@ -107,6 +108,10 @@ static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level) return -1; } +static inline void kvmppc_enable_logical_ci_hcalls(void) +{ +} + static inline void kvmppc_set_papr(PowerPCCPU *cpu) { } |