apic: Introduce apic_report_irq_delivered

The in-kernel i8259 and IOAPIC backends for KVM will need this, so
encapsulate the shared bits.
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com>

hw/apic.c

@@ -413,6 +413,13 @@ static void apic_update_irq(APICState *s)
     }
 }
 
+void apic_report_irq_delivered(int delivered)
+{
+    apic_irq_delivered += delivered;
+
+    trace_apic_report_irq_delivered(apic_irq_delivered);
+}
+
 void apic_reset_irq_delivered(void)
 {
     trace_apic_reset_irq_delivered(apic_irq_delivered);
@@ -429,9 +436,7 @@ int apic_get_irq_delivered(void)
 
 static void apic_set_irq(APICState *s, int vector_num, int trigger_mode)
 {
-    apic_irq_delivered += !get_bit(s->irr, vector_num);
-
-    trace_apic_set_irq(apic_irq_delivered);
+    apic_report_irq_delivered(!get_bit(s->irr, vector_num));
 
     set_bit(s->irr, vector_num);
     if (trigger_mode)

hw/apic.h

@@ -10,6 +10,7 @@ int apic_accept_pic_intr(DeviceState *s);
 void apic_deliver_pic_intr(DeviceState *s, int level);
 void apic_deliver_nmi(DeviceState *d);
 int apic_get_interrupt(DeviceState *s);
+void apic_report_irq_delivered(int delivered);
 void apic_reset_irq_delivered(void);
 int apic_get_irq_delivered(void);
 void cpu_set_apic_base(DeviceState *s, uint64_t val);

trace-events

@@ -95,9 +95,9 @@ cpu_get_apic_base(uint64_t val) "%016"PRIx64
 apic_mem_readl(uint64_t addr, uint32_t val)  "%"PRIx64" = %08x"
 apic_mem_writel(uint64_t addr, uint32_t val) "%"PRIx64" = %08x"
 # coalescing
+apic_report_irq_delivered(int apic_irq_delivered) "coalescing %d"
 apic_reset_irq_delivered(int apic_irq_delivered) "old coalescing %d"
 apic_get_irq_delivered(int apic_irq_delivered) "returning coalescing %d"
-apic_set_irq(int apic_irq_delivered) "coalescing %d"
 
 # hw/cs4231.c
 cs4231_mem_readl_dreg(uint32_t reg, uint32_t ret) "read dreg %d: 0x%02x"