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Diffstat (limited to 'kvm-all.c')
-rw-r--r--kvm-all.c62
1 files changed, 50 insertions, 12 deletions
diff --git a/kvm-all.c b/kvm-all.c
index 489ee53ad2..2148b20bdb 100644
--- 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()) {