Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.11-20171…

…114' into staging

ppc patch queue for 2017-11-14

Another couple of fixes for qemu-2.11.

# gpg: Signature made Tue 14 Nov 2017 04:36:20 GMT
# gpg:                using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.11-20171114:
  xics/kvm: synchonize state before 'info pic'
  target/ppc: correct htab shift for hash on radix

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/intc/xics.c

@@ -40,18 +40,25 @@
 
 void icp_pic_print_info(ICPState *icp, Monitor *mon)
 {
+    ICPStateClass *icpc = ICP_GET_CLASS(icp);
     int cpu_index = icp->cs ? icp->cs->cpu_index : -1;
 
     if (!icp->output) {
         return;
     }
+
+    if (icpc->synchronize_state) {
+        icpc->synchronize_state(icp);
+    }
+
     monitor_printf(mon, "CPU %d XIRR=%08x (%p) PP=%02x MFRR=%02x\n",
                    cpu_index, icp->xirr, icp->xirr_owner,
                    icp->pending_priority, icp->mfrr);
 }
 
 void ics_pic_print_info(ICSState *ics, Monitor *mon)
 {
+    ICSStateClass *icsc = ICS_BASE_GET_CLASS(ics);
     uint32_t i;
 
     monitor_printf(mon, "ICS %4x..%4x %p\n",
@@ -61,6 +68,10 @@ void ics_pic_print_info(ICSState *ics, Monitor *mon)
         return;
     }
 
+    if (icsc->synchronize_state) {
+        icsc->synchronize_state(ics);
+    }
+
     for (i = 0; i < ics->nr_irqs; i++) {
         ICSIRQState *irq = ics->irqs + i;
 

hw/intc/xics_kvm.c

@@ -81,6 +81,18 @@ static void icp_get_kvm_state(ICPState *icp)
         & KVM_REG_PPC_ICP_PPRI_MASK;
 }
 
+static void do_icp_synchronize_state(CPUState *cpu, run_on_cpu_data arg)
+{
+    icp_get_kvm_state(arg.host_ptr);
+}
+
+static void icp_synchronize_state(ICPState *icp)
+{
+    if (icp->cs) {
+        run_on_cpu(icp->cs, do_icp_synchronize_state, RUN_ON_CPU_HOST_PTR(icp));
+    }
+}
+
 static int icp_set_kvm_state(ICPState *icp, int version_id)
 {
     uint64_t state;
@@ -156,6 +168,7 @@ static void icp_kvm_class_init(ObjectClass *klass, void *data)
     icpc->post_load = icp_set_kvm_state;
     icpc->realize = icp_kvm_realize;
     icpc->reset = icp_kvm_reset;
+    icpc->synchronize_state = icp_synchronize_state;
 }
 
 static const TypeInfo icp_kvm_info = {
@@ -234,6 +247,11 @@ static void ics_get_kvm_state(ICSState *ics)
     }
 }
 
+static void ics_synchronize_state(ICSState *ics)
+{
+    ics_get_kvm_state(ics);
+}
+
 static int ics_set_kvm_state(ICSState *ics, int version_id)
 {
     uint64_t state;
@@ -347,6 +365,7 @@ static void ics_kvm_class_init(ObjectClass *klass, void *data)
     icsc->realize = ics_kvm_realize;
     icsc->pre_save = ics_get_kvm_state;
     icsc->post_load = ics_set_kvm_state;
+    icsc->synchronize_state = ics_synchronize_state;
 }
 
 static const TypeInfo ics_kvm_info = {

hw/ppc/spapr_hcall.c

@@ -1636,6 +1636,12 @@ static target_ulong h_client_architecture_support(PowerPCCPU *cpu,
     spapr->cas_legacy_guest_workaround = !spapr_ovec_test(ov1_guest,
                                                           OV1_PPC_3_00);
     if (!spapr->cas_reboot) {
+        /* If ppc_spapr_reset() did not set up a HPT but one is necessary
+         * (because the guest isn't going to use radix) then set it up here. */
+        if ((spapr->patb_entry & PATBE1_GR) && !guest_radix) {
+            /* legacy hash or new hash: */
+            spapr_setup_hpt_and_vrma(spapr);
+        }
         spapr->cas_reboot =
             (spapr_h_cas_compose_response(spapr, args[1], args[2],
                                           ov5_updates) != 0);
@@ -1644,13 +1650,6 @@ static target_ulong h_client_architecture_support(PowerPCCPU *cpu,
 
     if (spapr->cas_reboot) {
         qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
-    } else {
-        /* If ppc_spapr_reset() did not set up a HPT but one is necessary
-         * (because the guest isn't going to use radix) then set it up here. */
-        if ((spapr->patb_entry & PATBE1_GR) && !guest_radix) {
-            /* legacy hash or new hash: */
-            spapr_setup_hpt_and_vrma(spapr);
-        }
     }
 
     return H_SUCCESS;

include/hw/ppc/xics.h

@@ -69,6 +69,7 @@ struct ICPStateClass {
     void (*pre_save)(ICPState *icp);
     int (*post_load)(ICPState *icp, int version_id);
     void (*reset)(ICPState *icp);
+    void (*synchronize_state)(ICPState *icp);
 };
 
 struct ICPState {
@@ -119,6 +120,7 @@ struct ICSStateClass {
     void (*reject)(ICSState *s, uint32_t irq);
     void (*resend)(ICSState *s);
     void (*eoi)(ICSState *s, uint32_t irq);
+    void (*synchronize_state)(ICSState *s);
 };
 
 struct ICSState {