#include <linux/kvm_host.h>
#include <asm/esr.h>
+#include <asm/exception.h>
#include <asm/kvm_asm.h>
#include <asm/kvm_coproc.h>
#include <asm/kvm_emulate.h>
#include <asm/kvm_mmu.h>
#include <asm/kvm_psci.h>
#include <asm/debug-monitors.h>
+#include <asm/traps.h>
#define CREATE_TRACE_POINTS
#include "trace.h"
typedef int (*exit_handle_fn)(struct kvm_vcpu *, struct kvm_run *);
+static void kvm_handle_guest_serror(struct kvm_vcpu *vcpu, u32 esr)
+{
+ if (!arm64_is_ras_serror(esr) || arm64_is_fatal_ras_serror(NULL, esr))
+ kvm_inject_vabt(vcpu);
+}
+
static int handle_hvc(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
int ret;
*vcpu_pc(vcpu) -= adj;
}
- kvm_inject_vabt(vcpu);
return 1;
}
case ARM_EXCEPTION_IRQ:
return 1;
case ARM_EXCEPTION_EL1_SERROR:
- kvm_inject_vabt(vcpu);
/* We may still need to return for single-step */
if (!(*vcpu_cpsr(vcpu) & DBG_SPSR_SS)
&& kvm_arm_handle_step_debug(vcpu, run))
return 0;
}
}
+
+/* For exit types that need handling before we can be preempted */
+void handle_exit_early(struct kvm_vcpu *vcpu, struct kvm_run *run,
+ int exception_index)
+{
+ if (ARM_SERROR_PENDING(exception_index)) {
+ if (this_cpu_has_cap(ARM64_HAS_RAS_EXTN)) {
+ u64 disr = kvm_vcpu_get_disr(vcpu);
+
+ kvm_handle_guest_serror(vcpu, disr_to_esr(disr));
+ } else {
+ kvm_inject_vabt(vcpu);
+ }
+
+ return;
+ }
+
+ exception_index = ARM_EXCEPTION_CODE(exception_index);
+
+ if (exception_index == ARM_EXCEPTION_EL1_SERROR)
+ kvm_handle_guest_serror(vcpu, kvm_vcpu_get_hsr(vcpu));
+}