diff options
| author | Jim Mattson <jmattson@google.com> | 2021-06-04 10:26:09 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-06-17 13:09:32 -0400 |
| commit | 768d134d8cb4cb595966d8c509a9329a075a5fa2 (patch) | |
| tree | 83b10b63fbea6308d02e0640945f6eb9a8aaf93c /tools/testing/selftests/kvm/include | |
| parent | 4c63c923408595eede59ce9fef6f4ab868928549 (diff) | |
KVM: selftests: Introduce x2APIC register manipulation functions
Standardize reads and writes of the x2APIC MSRs.
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Oliver Upton <oupton@google.com>
Message-Id: <20210604172611.281819-11-jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm/include')
| -rw-r--r-- | tools/testing/selftests/kvm/include/x86_64/apic.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/x86_64/apic.h b/tools/testing/selftests/kvm/include/x86_64/apic.h index e5a9fe040a6c..0be4757f1f20 100644 --- a/tools/testing/selftests/kvm/include/x86_64/apic.h +++ b/tools/testing/selftests/kvm/include/x86_64/apic.h @@ -78,4 +78,14 @@ static inline void xapic_write_reg(unsigned int reg, uint32_t val) ((volatile uint32_t *)APIC_DEFAULT_GPA)[reg >> 2] = val; } +static inline uint64_t x2apic_read_reg(unsigned int reg) +{ + return rdmsr(APIC_BASE_MSR + (reg >> 4)); +} + +static inline void x2apic_write_reg(unsigned int reg, uint64_t value) +{ + wrmsr(APIC_BASE_MSR + (reg >> 4), value); +} + #endif /* SELFTEST_KVM_APIC_H */ |