eepro100: fix PCI interrupt pin configuration regression

[qemu.git] / kvm-all.c

diff --git a/kvm-all.c b/kvm-all.c
index 1a02076bfd10ab70caf90e3585f59024709c5082..7aa5e57e88dab2292140c2efa4f5e6c6dbe813db 100644 (file)
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -51,8 +51,6 @@ typedef struct KVMSlot
 
 typedef struct kvm_dirty_log KVMDirtyLog;
 
-int kvm_allowed = 0;
-
 struct KVMState
 {
     KVMSlot slots[32];
@@ -65,6 +63,7 @@ struct KVMState
     int broken_set_mem_region;
     int migration_log;
     int vcpu_events;
+    int robust_singlestep;
 #ifdef KVM_CAP_SET_GUEST_DEBUG
     struct kvm_sw_breakpoint_head kvm_sw_breakpoints;
 #endif
@@ -155,10 +154,6 @@ static void kvm_reset_vcpu(void *opaque)
     CPUState *env = opaque;
 
     kvm_arch_reset_vcpu(env);
-    if (kvm_arch_put_registers(env)) {
-        fprintf(stderr, "Fatal: kvm vcpu reset failed\n");
-        abort();
-    }
 }
 
 int kvm_irqchip_in_kernel(void)
@@ -213,7 +208,6 @@ int kvm_init_vcpu(CPUState *env)
     if (ret == 0) {
         qemu_register_reset(kvm_reset_vcpu, env);
         kvm_arch_reset_vcpu(env);
-        ret = kvm_arch_put_registers(env);
     }
 err:
     return ret;
@@ -613,8 +607,13 @@ int kvm_init(int smp_cpus)
     }
 
     s->vmfd = kvm_ioctl(s, KVM_CREATE_VM, 0);
-    if (s->vmfd < 0)
+    if (s->vmfd < 0) {
+#ifdef TARGET_S390X
+        fprintf(stderr, "Please add the 'switch_amode' kernel parameter to "
+                        "your host kernel command line\n");
+#endif
         goto err;
+    }
 
     /* initially, KVM allocated its own memory and we had to jump through
      * hooks to make phys_ram_base point to this.  Modern versions of KVM
@@ -659,6 +658,12 @@ int kvm_init(int smp_cpus)
     s->vcpu_events = kvm_check_extension(s, KVM_CAP_VCPU_EVENTS);
 #endif
 
+    s->robust_singlestep = 0;
+#ifdef KVM_CAP_X86_ROBUST_SINGLESTEP
+    s->robust_singlestep =
+        kvm_check_extension(s, KVM_CAP_X86_ROBUST_SINGLESTEP);
+#endif
+
     ret = kvm_arch_init(s, smp_cpus);
     if (ret < 0)
         goto err;
@@ -746,6 +751,18 @@ void kvm_cpu_synchronize_state(CPUState *env)
     }
 }
 
+void kvm_cpu_synchronize_post_reset(CPUState *env)
+{
+    kvm_arch_put_registers(env, KVM_PUT_RESET_STATE);
+    env->kvm_vcpu_dirty = 0;
+}
+
+void kvm_cpu_synchronize_post_init(CPUState *env)
+{
+    kvm_arch_put_registers(env, KVM_PUT_FULL_STATE);
+    env->kvm_vcpu_dirty = 0;
+}
+
 int kvm_cpu_exec(CPUState *env)
 {
     struct kvm_run *run = env->kvm_run;
@@ -763,7 +780,7 @@ int kvm_cpu_exec(CPUState *env)
 #endif
 
         if (env->kvm_vcpu_dirty) {
-            kvm_arch_put_registers(env);
+            kvm_arch_put_registers(env, KVM_PUT_RUNTIME_STATE);
             env->kvm_vcpu_dirty = 0;
         }
 
@@ -917,6 +934,11 @@ int kvm_has_vcpu_events(void)
     return kvm_state->vcpu_events;
 }
 
+int kvm_has_robust_singlestep(void)
+{
+    return kvm_state->robust_singlestep;
+}
+
 void kvm_setup_guest_memory(void *start, size_t size)
 {
     if (!kvm_has_sync_mmu()) {
@@ -974,10 +996,6 @@ static void kvm_invoke_set_guest_debug(void *data)
     struct kvm_set_guest_debug_data *dbg_data = data;
     CPUState *env = dbg_data->env;
 
-    if (env->kvm_vcpu_dirty) {
-        kvm_arch_put_registers(env);
-        env->kvm_vcpu_dirty = 0;
-    }
     dbg_data->err = kvm_vcpu_ioctl(env, KVM_SET_GUEST_DEBUG, &dbg_data->dbg);
 }
 
@@ -985,12 +1003,12 @@ int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap)
 {
     struct kvm_set_guest_debug_data data;
 
-    data.dbg.control = 0;
-    if (env->singlestep_enabled)
-        data.dbg.control = KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_SINGLESTEP;
+    data.dbg.control = reinject_trap;
 
+    if (env->singlestep_enabled) {
+        data.dbg.control |= KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_SINGLESTEP;
+    }
     kvm_arch_update_guest_debug(env, &data.dbg);
-    data.dbg.control |= reinject_trap;
     data.env = env;
 
     on_vcpu(env, kvm_invoke_set_guest_debug, &data);
@@ -1138,3 +1156,25 @@ int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset)
 
     return r;
 }
+
+#ifdef KVM_IOEVENTFD
+int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
+{
+    struct kvm_ioeventfd kick = {
+        .datamatch = val,
+        .addr = addr,
+        .len = 2,
+        .flags = KVM_IOEVENTFD_FLAG_DATAMATCH | KVM_IOEVENTFD_FLAG_PIO,
+        .fd = fd,
+    };
+    int r;
+    if (!kvm_enabled())
+        return -ENOSYS;
+    if (!assign)
+        kick.flags |= KVM_IOEVENTFD_FLAG_DEASSIGN;
+    r = kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &kick);
+    if (r < 0)
+        return r;
+    return 0;
+}
+#endif