Include qemu/main-loop.h less

[qemu.git] / target / arm / kvm.c

diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 65f867d56925066329039e91d14aaa884b985609..b5713e3ffeef187bea3bd8af24aa5a8a0caed2ae 100644 (file)
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -16,17 +16,19 @@
 #include "qemu-common.h"
 #include "qemu/timer.h"
 #include "qemu/error-report.h"
+#include "qemu/main-loop.h"
 #include "sysemu/sysemu.h"
 #include "sysemu/kvm.h"
+#include "sysemu/kvm_int.h"
 #include "kvm_arm.h"
 #include "cpu.h"
 #include "trace.h"
 #include "internals.h"
-#include "hw/arm/arm.h"
 #include "hw/pci/pci.h"
 #include "exec/memattrs.h"
 #include "exec/address-spaces.h"
 #include "hw/boards.h"
+#include "hw/irq.h"
 #include "qemu/log.h"
 
 const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
@@ -34,6 +36,7 @@ const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
 };
 
 static bool cap_has_mp_state;
+static bool cap_has_inject_serror_esr;
 
 static ARMHostCPUFeatures arm_host_cpu_features;
 
@@ -48,6 +51,12 @@ int kvm_arm_vcpu_init(CPUState *cs)
     return kvm_vcpu_ioctl(cs, KVM_ARM_VCPU_INIT, &init);
 }
 
+void kvm_arm_init_serror_injection(CPUState *cs)
+{
+    cap_has_inject_serror_esr = kvm_check_extension(cs->kvm_state,
+                                    KVM_CAP_ARM_INJECT_SERROR_ESR);
+}
+
 bool kvm_arm_create_scratch_host_vcpu(const uint32_t *cpus_to_try,
                                       int *fdarray,
                                       struct kvm_vcpu_init *init)
@@ -151,9 +160,19 @@ void kvm_arm_set_cpu_features_from_host(ARMCPU *cpu)
 
     cpu->kvm_target = arm_host_cpu_features.target;
     cpu->dtb_compatible = arm_host_cpu_features.dtb_compatible;
+    cpu->isar = arm_host_cpu_features.isar;
     env->features = arm_host_cpu_features.features;
 }
 
+int kvm_arm_get_max_vm_ipa_size(MachineState *ms)
+{
+    KVMState *s = KVM_STATE(ms->accelerator);
+    int ret;
+
+    ret = kvm_check_extension(s, KVM_CAP_ARM_VM_IPA_SIZE);
+    return ret > 0 ? ret : 40;
+}
+
 int kvm_arch_init(MachineState *ms, KVMState *s)
 {
     /* For ARM interrupt delivery is always asynchronous,
@@ -198,7 +217,7 @@ typedef struct KVMDevice {
     int dev_fd;
 } KVMDevice;
 
-static QSLIST_HEAD(kvm_devices_head, KVMDevice) kvm_devices_head;
+static QSLIST_HEAD(, KVMDevice) kvm_devices_head;
 
 static void kvm_arm_devlistener_add(MemoryListener *listener,
                                     MemoryRegionSection *section)
@@ -310,7 +329,7 @@ static int compare_u64(const void *a, const void *b)
     return 0;
 }
 
-/* Initialize the CPUState's cpreg list according to the kernel's
+/* Initialize the ARMCPU cpreg list according to the kernel's
  * definition of what CPU registers it knows about (and throw away
  * the previous TCG-created cpreg list).
  */
@@ -479,6 +498,14 @@ void kvm_arm_reset_vcpu(ARMCPU *cpu)
         fprintf(stderr, "write_kvmstate_to_list failed\n");
         abort();
     }
+    /*
+     * Sync the reset values also into the CPUState. This is necessary
+     * because the next thing we do will be a kvm_arch_put_registers()
+     * which will update the list values from the CPUState before copying
+     * the list values back to KVM. It's OK to ignore failure returns here
+     * for the same reason we do so in kvm_arch_get_registers().
+     */
+    write_list_to_cpustate(cpu);
 }
 
 /*
@@ -522,6 +549,59 @@ int kvm_arm_sync_mpstate_to_qemu(ARMCPU *cpu)
     return 0;
 }
 
+int kvm_put_vcpu_events(ARMCPU *cpu)
+{
+    CPUARMState *env = &cpu->env;
+    struct kvm_vcpu_events events;
+    int ret;
+
+    if (!kvm_has_vcpu_events()) {
+        return 0;
+    }
+
+    memset(&events, 0, sizeof(events));
+    events.exception.serror_pending = env->serror.pending;
+
+    /* Inject SError to guest with specified syndrome if host kernel
+     * supports it, otherwise inject SError without syndrome.
+     */
+    if (cap_has_inject_serror_esr) {
+        events.exception.serror_has_esr = env->serror.has_esr;
+        events.exception.serror_esr = env->serror.esr;
+    }
+
+    ret = kvm_vcpu_ioctl(CPU(cpu), KVM_SET_VCPU_EVENTS, &events);
+    if (ret) {
+        error_report("failed to put vcpu events");
+    }
+
+    return ret;
+}
+
+int kvm_get_vcpu_events(ARMCPU *cpu)
+{
+    CPUARMState *env = &cpu->env;
+    struct kvm_vcpu_events events;
+    int ret;
+
+    if (!kvm_has_vcpu_events()) {
+        return 0;
+    }
+
+    memset(&events, 0, sizeof(events));
+    ret = kvm_vcpu_ioctl(CPU(cpu), KVM_GET_VCPU_EVENTS, &events);
+    if (ret) {
+        error_report("failed to get vcpu events");
+        return ret;
+    }
+
+    env->serror.pending = events.exception.serror_pending;
+    env->serror.has_esr = events.exception.serror_has_esr;
+    env->serror.esr = events.exception.serror_esr;
+
+    return 0;
+}
+
 void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run)
 {
 }