Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

[mirror_qemu.git] / hw / intc / ioapic_common.c

diff --git a/hw/intc/ioapic_common.c b/hw/intc/ioapic_common.c
index 4d3d309b62888d40df8ad66926e42c826ff15377..692dc37bb61b8ead92b0ff6efff42908106286ac 100644 (file)
--- a/hw/intc/ioapic_common.c
+++ b/hw/intc/ioapic_common.c
@@ -19,8 +19,12 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "monitor/monitor.h"
 #include "hw/i386/ioapic.h"
 #include "hw/i386/ioapic_internal.h"
+#include "hw/intc/intc.h"
 #include "hw/sysbus.h"
 
 /* ioapic_no count start from 0 to MAX_IOAPICS,
@@ -31,6 +35,83 @@
  */
 int ioapic_no;
 
+void ioapic_stat_update_irq(IOAPICCommonState *s, int irq, int level)
+{
+    if (level != s->irq_level[irq]) {
+        s->irq_level[irq] = level;
+        if (level == 1) {
+            s->irq_count[irq]++;
+        }
+    }
+}
+
+static bool ioapic_get_statistics(InterruptStatsProvider *obj,
+                                  uint64_t **irq_counts,
+                                  unsigned int *nb_irqs)
+{
+    IOAPICCommonState *s = IOAPIC_COMMON(obj);
+
+    *irq_counts = s->irq_count;
+    *nb_irqs = IOAPIC_NUM_PINS;
+
+    return true;
+}
+
+static void ioapic_irr_dump(Monitor *mon, const char *name, uint32_t bitmap)
+{
+    int i;
+
+    monitor_printf(mon, "%-10s ", name);
+    if (bitmap == 0) {
+        monitor_printf(mon, "(none)\n");
+        return;
+    }
+    for (i = 0; i < IOAPIC_NUM_PINS; i++) {
+        if (bitmap & (1 << i)) {
+            monitor_printf(mon, "%-2u ", i);
+        }
+    }
+    monitor_printf(mon, "\n");
+}
+
+void ioapic_print_redtbl(Monitor *mon, IOAPICCommonState *s)
+{
+    static const char *delm_str[] = {
+        "fixed", "lowest", "SMI", "...", "NMI", "INIT", "...", "extINT"};
+    uint32_t remote_irr = 0;
+    int i;
+
+    monitor_printf(mon, "ioapic0: ver=0x%x id=0x%02x sel=0x%02x",
+                   s->version, s->id, s->ioregsel);
+    if (s->ioregsel) {
+        monitor_printf(mon, " (redir[%u])\n",
+                       (s->ioregsel - IOAPIC_REG_REDTBL_BASE) >> 1);
+    } else {
+        monitor_printf(mon, "\n");
+    }
+    for (i = 0; i < IOAPIC_NUM_PINS; i++) {
+        uint64_t entry = s->ioredtbl[i];
+        uint32_t delm = (uint32_t)((entry & IOAPIC_LVT_DELIV_MODE) >>
+                                   IOAPIC_LVT_DELIV_MODE_SHIFT);
+        monitor_printf(mon, "  pin %-2u 0x%016"PRIx64" dest=%"PRIx64
+                       " vec=%-3"PRIu64" %s %-5s %-6s %-6s %s\n",
+                       i, entry,
+                       (entry >> IOAPIC_LVT_DEST_SHIFT) &
+                            (entry & IOAPIC_LVT_DEST_MODE ? 0xff : 0xf),
+                       entry & IOAPIC_VECTOR_MASK,
+                       entry & IOAPIC_LVT_POLARITY ? "active-lo" : "active-hi",
+                       entry & IOAPIC_LVT_TRIGGER_MODE ? "level" : "edge",
+                       entry & IOAPIC_LVT_MASKED ? "masked" : "",
+                       delm_str[delm],
+                       entry & IOAPIC_LVT_DEST_MODE ? "logical" : "physical");
+
+        remote_irr |= entry & IOAPIC_LVT_TRIGGER_MODE ?
+                        (entry & IOAPIC_LVT_REMOTE_IRR ? (1 << i) : 0) : 0;
+    }
+    ioapic_irr_dump(mon, "  IRR", s->irr);
+    ioapic_irr_dump(mon, "  Remote IRR", remote_irr);
+}
+
 void ioapic_reset_common(DeviceState *dev)
 {
     IOAPICCommonState *s = IOAPIC_COMMON(dev);
@@ -44,7 +125,7 @@ void ioapic_reset_common(DeviceState *dev)
     }
 }
 
-static void ioapic_dispatch_pre_save(void *opaque)
+static int ioapic_dispatch_pre_save(void *opaque)
 {
     IOAPICCommonState *s = IOAPIC_COMMON(opaque);
     IOAPICCommonClass *info = IOAPIC_COMMON_GET_CLASS(s);
@@ -52,6 +133,8 @@ static void ioapic_dispatch_pre_save(void *opaque)
     if (info->pre_save) {
         info->pre_save(s);
     }
+
+    return 0;
 }
 
 static int ioapic_dispatch_post_load(void *opaque, int version_id)
@@ -82,11 +165,19 @@ static void ioapic_common_realize(DeviceState *dev, Error **errp)
     ioapic_no++;
 }
 
+static void ioapic_print_info(InterruptStatsProvider *obj,
+                              Monitor *mon)
+{
+    IOAPICCommonState *s = IOAPIC_COMMON(obj);
+
+    ioapic_dispatch_pre_save(s);
+    ioapic_print_redtbl(mon, s);
+}
+
 static const VMStateDescription vmstate_ioapic_common = {
     .name = "ioapic",
     .version_id = 3,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .pre_save = ioapic_dispatch_pre_save,
     .post_load = ioapic_dispatch_post_load,
     .fields = (VMStateField[]) {
@@ -102,9 +193,12 @@ static const VMStateDescription vmstate_ioapic_common = {
 static void ioapic_common_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
+    InterruptStatsProviderClass *ic = INTERRUPT_STATS_PROVIDER_CLASS(klass);
 
     dc->realize = ioapic_common_realize;
     dc->vmsd = &vmstate_ioapic_common;
+    ic->print_info = ioapic_print_info;
+    ic->get_statistics = ioapic_get_statistics;
 }
 
 static const TypeInfo ioapic_common_type = {
@@ -114,6 +208,10 @@ static const TypeInfo ioapic_common_type = {
     .class_size = sizeof(IOAPICCommonClass),
     .class_init = ioapic_common_class_init,
     .abstract = true,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_INTERRUPT_STATS_PROVIDER },
+        { }
+    },
 };
 
 static void ioapic_common_register_types(void)