net: add the support for -netdev socket, listen

[qemu.git] / kvm-all.c

diff --git a/kvm-all.c b/kvm-all.c
index 489ee53ad283125f8115a2be5b2c0c314f2afeac..2148b20bdbdf8c6b3f57628c8f571f66fdfc67e3 100644 (file)
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -22,6 +22,8 @@
 
 #include "qemu-common.h"
 #include "qemu-barrier.h"
+#include "qemu-option.h"
+#include "qemu-config.h"
 #include "sysemu.h"
 #include "hw/hw.h"
 #include "hw/msi.h"
@@ -30,6 +32,7 @@
 #include "bswap.h"
 #include "memory.h"
 #include "exec-memory.h"
+#include "event_notifier.h"
 
 /* This check must be after config-host.h is included */
 #ifdef CONFIG_EVENTFD
@@ -62,11 +65,6 @@ typedef struct KVMSlot
 
 typedef struct kvm_dirty_log KVMDirtyLog;
 
-typedef struct KVMMSIRoute {
-    struct kvm_irq_routing_entry kroute;
-    QTAILQ_ENTRY(KVMMSIRoute) entry;
-} KVMMSIRoute;
-
 struct KVMState
 {
     KVMSlot slots[32];
@@ -803,23 +801,29 @@ static void kvm_io_ioeventfd_del(MemoryRegionSection *section,
 
 static void kvm_eventfd_add(MemoryListener *listener,
                             MemoryRegionSection *section,
-                            bool match_data, uint64_t data, int fd)
+                            bool match_data, uint64_t data,
+                            EventNotifier *e)
 {
     if (section->address_space == get_system_memory()) {
-        kvm_mem_ioeventfd_add(section, match_data, data, fd);
+        kvm_mem_ioeventfd_add(section, match_data, data,
+                             event_notifier_get_fd(e));
     } else {
-        kvm_io_ioeventfd_add(section, match_data, data, fd);
+        kvm_io_ioeventfd_add(section, match_data, data,
+                            event_notifier_get_fd(e));
     }
 }
 
 static void kvm_eventfd_del(MemoryListener *listener,
                             MemoryRegionSection *section,
-                            bool match_data, uint64_t data, int fd)
+                            bool match_data, uint64_t data,
+                            EventNotifier *e)
 {
     if (section->address_space == get_system_memory()) {
-        kvm_mem_ioeventfd_del(section, match_data, data, fd);
+        kvm_mem_ioeventfd_del(section, match_data, data,
+                             event_notifier_get_fd(e));
     } else {
-        kvm_io_ioeventfd_del(section, match_data, data, fd);
+        kvm_io_ioeventfd_del(section, match_data, data,
+                            event_notifier_get_fd(e));
     }
 }
 
@@ -867,6 +871,11 @@ int kvm_irqchip_set_irq(KVMState *s, int irq, int level)
 }
 
 #ifdef KVM_CAP_IRQ_ROUTING
+typedef struct KVMMSIRoute {
+    struct kvm_irq_routing_entry kroute;
+    QTAILQ_ENTRY(KVMMSIRoute) entry;
+} KVMMSIRoute;
+
 static void set_gsi(KVMState *s, unsigned int gsi)
 {
     s->used_gsi_bitmap[gsi / 32] |= 1U << (gsi % 32);
@@ -1129,6 +1138,10 @@ static void kvm_init_irq_routing(KVMState *s)
 {
 }
 
+void kvm_irqchip_release_virq(KVMState *s, int virq)
+{
+}
+
 int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg)
 {
     abort();
@@ -1136,7 +1149,7 @@ int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg)
 
 int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
 {
-    abort();
+    return -ENOSYS;
 }
 
 static int kvm_irqchip_assign_irqfd(KVMState *s, int fd, int virq, bool assign)
@@ -1150,11 +1163,21 @@ int kvm_irqchip_add_irqfd(KVMState *s, int fd, int virq)
     return kvm_irqchip_assign_irqfd(s, fd, virq, true);
 }
 
+int kvm_irqchip_add_irq_notifier(KVMState *s, EventNotifier *n, int virq)
+{
+    return kvm_irqchip_add_irqfd(s, event_notifier_get_fd(n), virq);
+}
+
 int kvm_irqchip_remove_irqfd(KVMState *s, int fd, int virq)
 {
     return kvm_irqchip_assign_irqfd(s, fd, virq, false);
 }
 
+int kvm_irqchip_remove_irq_notifier(KVMState *s, EventNotifier *n, int virq)
+{
+    return kvm_irqchip_remove_irqfd(s, event_notifier_get_fd(n), virq);
+}
+
 static int kvm_irqchip_create(KVMState *s)
 {
     QemuOptsList *list = qemu_find_opts("machine");
@@ -1286,7 +1309,9 @@ int kvm_init(void)
     s->pit_state2 = kvm_check_extension(s, KVM_CAP_PIT_STATE2);
 #endif
 
+#ifdef KVM_CAP_IRQ_ROUTING
     s->direct_msi = (kvm_check_extension(s, KVM_CAP_SIGNAL_MSI) > 0);
+#endif
 
     ret = kvm_arch_init(s);
     if (ret < 0) {
@@ -1647,6 +1672,19 @@ int kvm_allows_irq0_override(void)
     return !kvm_irqchip_in_kernel() || kvm_has_gsi_routing();
 }
 
+void *kvm_vmalloc(ram_addr_t size)
+{
+#ifdef TARGET_S390X
+    void *mem;
+
+    mem = kvm_arch_vmalloc(size);
+    if (mem) {
+        return mem;
+    }
+#endif
+    return qemu_vmalloc(size);
+}
+
 void kvm_setup_guest_memory(void *start, size_t size)
 {
     if (!kvm_has_sync_mmu()) {