trace: add "-trace enable=..."

[qemu.git] / kvm-all.c

diff --git a/kvm-all.c b/kvm-all.c
index ab50a1663e1df5dec40eead7901cda2b08efac69..914888992119783d47fa69db80a5251cf623028e 100644 (file)
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -45,8 +45,10 @@
 #include <sys/eventfd.h>
 #endif
 
-/* KVM uses PAGE_SIZE in its definition of COALESCED_MMIO_MAX */
-#define PAGE_SIZE TARGET_PAGE_SIZE
+/* KVM uses PAGE_SIZE in its definition of KVM_COALESCED_MMIO_MAX. We
+ * need to use the real host PAGE_SIZE, as that's what KVM will use.
+ */
+#define PAGE_SIZE getpagesize()
 
 //#define DEBUG_KVM
 
@@ -77,8 +79,6 @@ struct KVMState
 #ifdef KVM_CAP_SET_GUEST_DEBUG
     struct kvm_sw_breakpoint_head kvm_sw_breakpoints;
 #endif
-    int pit_state2;
-    int xsave, xcrs;
     int many_ioeventfds;
     int intx_set_mask;
     /* The man page (and posix) say ioctl numbers are signed int, but
@@ -99,6 +99,7 @@ struct KVMState
 
 KVMState *kvm_state;
 bool kvm_kernel_irqchip;
+bool kvm_split_irqchip;
 bool kvm_async_interrupts_allowed;
 bool kvm_halt_in_kernel_allowed;
 bool kvm_eventfds_allowed;
@@ -111,6 +112,7 @@ bool kvm_allowed;
 bool kvm_readonly_mem_allowed;
 bool kvm_vm_attributes_allowed;
 bool kvm_direct_msi_allowed;
+bool kvm_ioeventfd_any_length_allowed;
 
 static const KVMCapabilityInfo kvm_required_capabilites[] = {
     KVM_CAP_INFO(USER_MEMORY),
@@ -1299,6 +1301,34 @@ int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
     return virq;
 }
 
+int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint)
+{
+    struct kvm_irq_routing_entry kroute = {};
+    int virq;
+
+    if (!kvm_gsi_routing_enabled()) {
+        return -ENOSYS;
+    }
+    if (!kvm_check_extension(s, KVM_CAP_HYPERV_SYNIC)) {
+        return -ENOSYS;
+    }
+    virq = kvm_irqchip_get_virq(s);
+    if (virq < 0) {
+        return virq;
+    }
+
+    kroute.gsi = virq;
+    kroute.type = KVM_IRQ_ROUTING_HV_SINT;
+    kroute.flags = 0;
+    kroute.u.hv_sint.vcpu = vcpu;
+    kroute.u.hv_sint.sint = sint;
+
+    kvm_add_routing_entry(s, &kroute);
+    kvm_irqchip_commit_routes(s);
+
+    return virq;
+}
+
 #else /* !KVM_CAP_IRQ_ROUTING */
 
 void kvm_init_irq_routing(KVMState *s)
@@ -1324,6 +1354,11 @@ int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
     return -ENOSYS;
 }
 
+int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint)
+{
+    return -ENOSYS;
+}
+
 static int kvm_irqchip_assign_irqfd(KVMState *s, int fd, int virq, bool assign)
 {
     abort();
@@ -1396,9 +1431,14 @@ static void kvm_irqchip_create(MachineState *machine, KVMState *s)
 
     /* First probe and see if there's a arch-specific hook to create the
      * in-kernel irqchip for us */
-    ret = kvm_arch_irqchip_create(s);
+    ret = kvm_arch_irqchip_create(machine, s);
     if (ret == 0) {
-        ret = kvm_vm_ioctl(s, KVM_CREATE_IRQCHIP);
+        if (machine_kernel_irqchip_split(machine)) {
+            perror("Split IRQ chip mode not supported.");
+            exit(1);
+        } else {
+            ret = kvm_vm_ioctl(s, KVM_CREATE_IRQCHIP);
+        }
     }
     if (ret < 0) {
         fprintf(stderr, "Create kernel irqchip failed: %s\n", strerror(-ret));
@@ -1463,7 +1503,6 @@ static int kvm_init(MachineState *ms)
      * page size for the system though.
      */
     assert(TARGET_PAGE_SIZE <= getpagesize());
-    page_size_init();
 
     s->sigmask_len = 8;
 
@@ -1586,18 +1625,6 @@ static int kvm_init(MachineState *ms)
     s->debugregs = kvm_check_extension(s, KVM_CAP_DEBUGREGS);
 #endif
 
-#ifdef KVM_CAP_XSAVE
-    s->xsave = kvm_check_extension(s, KVM_CAP_XSAVE);
-#endif
-
-#ifdef KVM_CAP_XCRS
-    s->xcrs = kvm_check_extension(s, KVM_CAP_XCRS);
-#endif
-
-#ifdef KVM_CAP_PIT_STATE2
-    s->pit_state2 = kvm_check_extension(s, KVM_CAP_PIT_STATE2);
-#endif
-
 #ifdef KVM_CAP_IRQ_ROUTING
     kvm_direct_msi_allowed = (kvm_check_extension(s, KVM_CAP_SIGNAL_MSI) > 0);
 #endif
@@ -1626,6 +1653,9 @@ static int kvm_init(MachineState *ms)
     kvm_vm_attributes_allowed =
         (kvm_check_extension(s, KVM_CAP_VM_ATTRIBUTES) > 0);
 
+    kvm_ioeventfd_any_length_allowed =
+        (kvm_check_extension(s, KVM_CAP_IOEVENTFD_ANY_LENGTH) > 0);
+
     ret = kvm_arch_init(ms, s);
     if (ret < 0) {
         goto err;
@@ -1637,8 +1667,10 @@ static int kvm_init(MachineState *ms)
 
     kvm_state = s;
 
-    s->memory_listener.listener.eventfd_add = kvm_mem_ioeventfd_add;
-    s->memory_listener.listener.eventfd_del = kvm_mem_ioeventfd_del;
+    if (kvm_eventfds_allowed) {
+        s->memory_listener.listener.eventfd_add = kvm_mem_ioeventfd_add;
+        s->memory_listener.listener.eventfd_del = kvm_mem_ioeventfd_del;
+    }
     s->memory_listener.listener.coalesced_mmio_add = kvm_coalesce_mmio_region;
     s->memory_listener.listener.coalesced_mmio_del = kvm_uncoalesce_mmio_region;
 
@@ -1780,11 +1812,6 @@ void kvm_cpu_synchronize_post_init(CPUState *cpu)
     run_on_cpu(cpu, do_kvm_cpu_synchronize_post_init, cpu);
 }
 
-void kvm_cpu_clean_state(CPUState *cpu)
-{
-    cpu->kvm_vcpu_dirty = false;
-}
-
 int kvm_cpu_exec(CPUState *cpu)
 {
     struct kvm_run *run = cpu->kvm_run;
@@ -2036,9 +2063,9 @@ void kvm_device_access(int fd, int group, uint64_t attr,
                            write ? KVM_SET_DEVICE_ATTR : KVM_GET_DEVICE_ATTR,
                            &kvmattr);
     if (err < 0) {
-        error_report("KVM_%s_DEVICE_ATTR failed: %s\n"
-                     "Group %d attr 0x%016" PRIx64, write ? "SET" : "GET",
-                     strerror(-err), group, attr);
+        error_report("KVM_%s_DEVICE_ATTR failed: %s",
+                     write ? "SET" : "GET", strerror(-err));
+        error_printf("Group %d attr 0x%016" PRIx64, group, attr);
         abort();
     }
 }
@@ -2063,21 +2090,6 @@ int kvm_has_debugregs(void)
     return kvm_state->debugregs;
 }
 
-int kvm_has_xsave(void)
-{
-    return kvm_state->xsave;
-}
-
-int kvm_has_xcrs(void)
-{
-    return kvm_state->xcrs;
-}
-
-int kvm_has_pit_state2(void)
-{
-    return kvm_state->pit_state2;
-}
-
 int kvm_has_many_ioeventfds(void)
 {
     if (!kvm_enabled()) {