[Qemu-devel] [QEMU-PPC] [PATCH 2/2] ppc/spapr: Enable H_PURR in-kernel handling

[Suraj Jitindar Singh <sjitindarsingh@gmail.com>]

Enable in-kernel handling of the hcall H_PURR. This means that if the
kernel implements an hcall handler for H_PURR, it will be used.

Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
---
 hw/ppc/spapr.c       | 3 +++
 target/ppc/kvm.c     | 5 +++++
 target/ppc/kvm_ppc.h | 5 +++++
 3 files changed, 13 insertions(+)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 39e698e9b0..b62dce8876 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2851,6 +2851,9 @@ static void spapr_machine_init(MachineState *machine)
 
         /* Enable H_PAGE_INIT */
         kvmppc_enable_h_page_init();
+
+        /* Enable H_PURR */
+        kvmppc_enable_h_purr();
     }
 
     /* allocate RAM */
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
index 3bf0a46c33..0fd3ef4d48 100644
--- a/target/ppc/kvm.c
+++ b/target/ppc/kvm.c
@@ -2075,6 +2075,11 @@ void kvmppc_enable_h_page_init(void)
     kvmppc_enable_hcall(kvm_state, H_PAGE_INIT);
 }
 
+void kvmppc_enable_h_purr(void)
+{
+    kvmppc_enable_hcall(kvm_state, H_PURR);
+}
+
 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 45776cad79..b5d2feab22 100644
--- a/target/ppc/kvm_ppc.h
+++ b/target/ppc/kvm_ppc.h
@@ -24,6 +24,7 @@ void kvmppc_enable_logical_ci_hcalls(void);
 void kvmppc_enable_set_mode_hcall(void);
 void kvmppc_enable_clear_ref_mod_hcalls(void);
 void kvmppc_enable_h_page_init(void);
+void kvmppc_enable_h_purr(void);
 void kvmppc_set_papr(PowerPCCPU *cpu);
 int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr);
 void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
@@ -145,6 +146,10 @@ static inline void kvmppc_enable_h_page_init(void)
 {
 }
 
+static inline void kvmppc_enable_h_purr(void)
+{
+}
+
 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
 {
 }
-- 
2.13.6