target-i386: Remove unused polarity arguments from APIC API

Polarity of external interrupts needs to be handled in the IOAPIC.
Passing it to the APIC is pointless. So remove all these arguments.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

hw/apic.c

@@ -223,8 +223,7 @@ void apic_deliver_pic_intr(DeviceState *d, int level)
 }
 
 static void apic_bus_deliver(const uint32_t *deliver_bitmask,
-                             uint8_t delivery_mode,
-                             uint8_t vector_num, uint8_t polarity,
+                             uint8_t delivery_mode, uint8_t vector_num,
                              uint8_t trigger_mode)
 {
     APICState *apic_iter;
@@ -281,18 +280,16 @@ static void apic_bus_deliver(const uint32_t *deliver_bitmask,
                  apic_set_irq(apic_iter, vector_num, trigger_mode) );
 }
 
-void apic_deliver_irq(uint8_t dest, uint8_t dest_mode,
-                      uint8_t delivery_mode, uint8_t vector_num,
-                      uint8_t polarity, uint8_t trigger_mode)
+void apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode,
+                      uint8_t vector_num, uint8_t trigger_mode)
 {
     uint32_t deliver_bitmask[MAX_APIC_WORDS];
 
     trace_apic_deliver_irq(dest, dest_mode, delivery_mode, vector_num,
-                           polarity, trigger_mode);
+                           trigger_mode);
 
     apic_get_delivery_bitmask(deliver_bitmask, dest, dest_mode);
-    apic_bus_deliver(deliver_bitmask, delivery_mode, vector_num, polarity,
-                     trigger_mode);
+    apic_bus_deliver(deliver_bitmask, delivery_mode, vector_num, trigger_mode);
 }
 
 void cpu_set_apic_base(DeviceState *d, uint64_t val)
@@ -549,7 +546,7 @@ void apic_sipi(DeviceState *d)
 
 static void apic_deliver(DeviceState *d, uint8_t dest, uint8_t dest_mode,
                          uint8_t delivery_mode, uint8_t vector_num,
-                         uint8_t polarity, uint8_t trigger_mode)
+                         uint8_t trigger_mode)
 {
     APICState *s = DO_UPCAST(APICState, busdev.qdev, d);
     uint32_t deliver_bitmask[MAX_APIC_WORDS];
@@ -592,8 +589,7 @@ static void apic_deliver(DeviceState *d, uint8_t dest, uint8_t dest_mode,
             return;
     }
 
-    apic_bus_deliver(deliver_bitmask, delivery_mode, vector_num, polarity,
-                     trigger_mode);
+    apic_bus_deliver(deliver_bitmask, delivery_mode, vector_num, trigger_mode);
 }
 
 int apic_get_interrupt(DeviceState *d)
@@ -795,7 +791,7 @@ static void apic_send_msi(target_phys_addr_t addr, uint32_t data)
     uint8_t trigger_mode = (data >> MSI_DATA_TRIGGER_SHIFT) & 0x1;
     uint8_t delivery = (data >> MSI_DATA_DELIVERY_MODE_SHIFT) & 0x7;
     /* XXX: Ignore redirection hint. */
-    apic_deliver_irq(dest, dest_mode, delivery, vector, 0, trigger_mode);
+    apic_deliver_irq(dest, dest_mode, delivery, vector, trigger_mode);
 }
 
 static void apic_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
@@ -856,7 +852,7 @@ static void apic_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
         s->icr[0] = val;
         apic_deliver(d, (s->icr[1] >> 24) & 0xff, (s->icr[0] >> 11) & 1,
                      (s->icr[0] >> 8) & 7, (s->icr[0] & 0xff),
-                     (s->icr[0] >> 14) & 1, (s->icr[0] >> 15) & 1);
+                     (s->icr[0] >> 15) & 1);
         break;
     case 0x31:
         s->icr[1] = val;

hw/apic.h

@@ -4,10 +4,8 @@
 #include "qemu-common.h"
 
 /* apic.c */
-void apic_deliver_irq(uint8_t dest, uint8_t dest_mode,
-                             uint8_t delivery_mode,
-                             uint8_t vector_num, uint8_t polarity,
-                             uint8_t trigger_mode);
+void apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode,
+                      uint8_t vector_num, uint8_t trigger_mode);
 int apic_accept_pic_intr(DeviceState *s);
 void apic_deliver_pic_intr(DeviceState *s, int level);
 int apic_get_interrupt(DeviceState *s);

hw/ioapic.c

@@ -104,7 +104,6 @@ static void ioapic_service(IOAPICState *s)
     uint64_t entry;
     uint8_t dest;
     uint8_t dest_mode;
-    uint8_t polarity;
 
     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
         mask = 1 << i;
@@ -116,7 +115,6 @@ static void ioapic_service(IOAPICState *s)
                 dest_mode = (entry >> IOAPIC_LVT_DEST_MODE_SHIFT) & 1;
                 delivery_mode =
                     (entry >> IOAPIC_LVT_DELIV_MODE_SHIFT) & IOAPIC_DM_MASK;
-                polarity = (entry >> IOAPIC_LVT_POLARITY_SHIFT) & 1;
                 if (trig_mode == IOAPIC_TRIGGER_EDGE) {
                     s->irr &= ~mask;
                 } else {
@@ -128,7 +126,7 @@ static void ioapic_service(IOAPICState *s)
                     vector = entry & IOAPIC_VECTOR_MASK;
                 }
                 apic_deliver_irq(dest, dest_mode, delivery_mode,
-                                 vector, polarity, trig_mode);
+                                 vector, trig_mode);
             }
         }
     }

trace-events

@@ -90,7 +90,7 @@ disable balloon_event(void *opaque, unsigned long addr) "opaque %p addr %lu"
 
 # hw/apic.c
 disable apic_local_deliver(int vector, uint32_t lvt) "vector %d delivery mode %d"
-disable apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode, uint8_t vector_num, uint8_t polarity, uint8_t trigger_mode) "dest %d dest_mode %d delivery_mode %d vector %d polarity %d trigger_mode %d"
+disable apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode, uint8_t vector_num, uint8_t trigger_mode) "dest %d dest_mode %d delivery_mode %d vector %d trigger_mode %d"
 disable cpu_set_apic_base(uint64_t val) "%016"PRIx64""
 disable cpu_get_apic_base(uint64_t val) "%016"PRIx64""
 disable apic_mem_readl(uint64_t addr, uint32_t val)  "%"PRIx64" = %08x"