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-rw-r--r--hw/ppc/spapr.c4
-rw-r--r--target/ppc/kvm.c14
-rw-r--r--target/ppc/kvm_ppc.h6
3 files changed, 23 insertions, 1 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index a355512849..8749f1b299 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2361,10 +2361,12 @@ static void ppc_spapr_init(MachineState *machine)
qemu_register_boot_set(spapr_boot_set, spapr);
- /* to stop and start vmclock */
if (kvm_enabled()) {
+ /* to stop and start vmclock */
qemu_add_vm_change_state_handler(cpu_ppc_clock_vm_state_change,
&spapr->tb);
+
+ kvmppc_spapr_enable_inkernel_multitce();
}
}
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
index c959b90b59..8574c369e6 100644
--- a/target/ppc/kvm.c
+++ b/target/ppc/kvm.c
@@ -2198,6 +2198,20 @@ bool kvmppc_spapr_use_multitce(void)
return cap_spapr_multitce;
}
+int kvmppc_spapr_enable_inkernel_multitce(void)
+{
+ int ret;
+
+ ret = kvm_vm_enable_cap(kvm_state, KVM_CAP_PPC_ENABLE_HCALL, 0,
+ H_PUT_TCE_INDIRECT, 1);
+ if (!ret) {
+ ret = kvm_vm_enable_cap(kvm_state, KVM_CAP_PPC_ENABLE_HCALL, 0,
+ H_STUFF_TCE, 1);
+ }
+
+ return ret;
+}
+
void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
uint64_t bus_offset, uint32_t nb_table,
int *pfd, bool need_vfio)
diff --git a/target/ppc/kvm_ppc.h b/target/ppc/kvm_ppc.h
index 4b2fd9a609..f48243d13f 100644
--- a/target/ppc/kvm_ppc.h
+++ b/target/ppc/kvm_ppc.h
@@ -39,6 +39,7 @@ target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu,
#ifndef CONFIG_USER_ONLY
off_t kvmppc_alloc_rma(void **rma);
bool kvmppc_spapr_use_multitce(void);
+int kvmppc_spapr_enable_inkernel_multitce(void);
void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
uint64_t bus_offset, uint32_t nb_table,
int *pfd, bool need_vfio);
@@ -180,6 +181,11 @@ static inline bool kvmppc_spapr_use_multitce(void)
return false;
}
+static inline int kvmppc_spapr_enable_inkernel_multitce(void)
+{
+ return -1;
+}
+
static inline void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
uint64_t bus_offset,
uint32_t nb_table,