xics: Handle KVM interrupt presentation from "simple" ICS code

We want to use the "simple" ICS type in both KVM and non-KVM setups.
Teach the "simple" ICS how to present interrupts to KVM and adapt
sPAPR accordingly.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155023082996.1011724.16237920586343905010.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

diff --git a/hw/intc/xics.c b/hw/intc/xics.c
index 49401745c410226153d0f8ffc6eaa6f8f6de33c9..3009fa74727774c72970d1e72ec7698e24e5acd4 100644 (file)
--- a/hw/intc/xics.c
+++ b/hw/intc/xics.c
@@ -466,6 +466,11 @@ void ics_simple_set_irq(void *opaque, int srcno, int val)
 {
     ICSState *ics = (ICSState *)opaque;
 
+    if (kvm_irqchip_in_kernel()) {
+        ics_kvm_set_irq(ics, srcno, val);
+        return;
+    }
+
     if (ics->irqs[srcno].flags & XICS_FLAGS_IRQ_LSI) {
         ics_simple_set_irq_lsi(ics, srcno, val);
     } else {

diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c
index e7b8d4c29ce6fb86507a58b42976e99f20ec771f..f34eacda03e7e8be7a314642f4bf99cd576eb356 100644 (file)
--- a/hw/intc/xics_kvm.c
+++ b/hw/intc/xics_kvm.c
@@ -259,9 +259,8 @@ int ics_set_kvm_state(ICSState *ics)
     return 0;
 }
 
-void ics_kvm_set_irq(void *opaque, int srcno, int val)
+void ics_kvm_set_irq(ICSState *ics, int srcno, int val)
 {
-    ICSState *ics = opaque;
     struct kvm_irq_level args;
     int rc;
 

diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
index e6893df61e769bb9f8859c7894c33de5b8f48c75..9f43b7b3bf16d7eb06246be0ce849cd97dc532fa 100644 (file)
--- a/hw/ppc/spapr_irq.c
+++ b/hw/ppc/spapr_irq.c
@@ -222,13 +222,8 @@ static int spapr_irq_post_load_xics(sPAPRMachineState *spapr, int version_id)
 static void spapr_irq_set_irq_xics(void *opaque, int srcno, int val)
 {
     sPAPRMachineState *spapr = opaque;
-    MachineState *machine = MACHINE(opaque);
 
-    if (kvm_enabled() && machine_kernel_irqchip_allowed(machine)) {
-        ics_kvm_set_irq(spapr->ics, srcno, val);
-    } else {
-        ics_simple_set_irq(spapr->ics, srcno, val);
-    }
+    ics_simple_set_irq(spapr->ics, srcno, val);
 }
 
 static void spapr_irq_reset_xics(sPAPRMachineState *spapr, Error **errp)

diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
index 06e87128f88eb32d4659693b4c91260cd851e8c5..61bd0fb9784f7ae97bef4018dd5a96153593f967 100644 (file)
--- a/include/hw/ppc/xics.h
+++ b/include/hw/ppc/xics.h
@@ -180,7 +180,6 @@ void icp_eoi(ICPState *icp, uint32_t xirr);
 void ics_simple_write_xive(ICSState *ics, int nr, int server,
                            uint8_t priority, uint8_t saved_priority);
 void ics_simple_set_irq(void *opaque, int srcno, int val);
-void ics_kvm_set_irq(void *opaque, int srcno, int val);
 
 void ics_set_irq_type(ICSState *ics, int srcno, bool lsi);
 void icp_pic_print_info(ICPState *icp, Monitor *mon);
@@ -201,5 +200,6 @@ void icp_kvm_realize(DeviceState *dev, Error **errp);
 void ics_get_kvm_state(ICSState *ics);
 int ics_set_kvm_state(ICSState *ics);
 void ics_synchronize_state(ICSState *ics);
+void ics_kvm_set_irq(ICSState *ics, int srcno, int val);
 
 #endif /* XICS_H */