diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2026-03-09 13:43:57 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2026-03-11 18:41:12 +0100 |
| commit | c52b534f26574ddf2f67cf07992ae2c25e8932c8 (patch) | |
| tree | f5e972c35ce163db82c2a9524583c17896137594 /tools/testing/selftests/kvm/lib | |
| parent | be5fa8737d42c5ba16d2ea72c23681f8abbb07e8 (diff) | |
| download | lwn-c52b534f26574ddf2f67cf07992ae2c25e8932c8.tar.gz lwn-c52b534f26574ddf2f67cf07992ae2c25e8932c8.zip | |
selftests: kvm: extract common functionality out of smm_test.c
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm/lib')
| -rw-r--r-- | tools/testing/selftests/kvm/lib/x86/processor.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/lib/x86/processor.c b/tools/testing/selftests/kvm/lib/x86/processor.c index fab18e9be66c..23a44941e283 100644 --- a/tools/testing/selftests/kvm/lib/x86/processor.c +++ b/tools/testing/selftests/kvm/lib/x86/processor.c @@ -8,6 +8,7 @@ #include "kvm_util.h" #include "pmu.h" #include "processor.h" +#include "smm.h" #include "svm_util.h" #include "sev.h" #include "vmx.h" @@ -1444,3 +1445,28 @@ bool kvm_arch_has_default_irqchip(void) { return true; } + +void setup_smram(struct kvm_vm *vm, struct kvm_vcpu *vcpu, + uint64_t smram_gpa, + const void *smi_handler, size_t handler_size) +{ + vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, smram_gpa, + SMRAM_MEMSLOT, SMRAM_PAGES, 0); + TEST_ASSERT(vm_phy_pages_alloc(vm, SMRAM_PAGES, smram_gpa, + SMRAM_MEMSLOT) == smram_gpa, + "Could not allocate guest physical addresses for SMRAM"); + + memset(addr_gpa2hva(vm, smram_gpa), 0x0, SMRAM_SIZE); + memcpy(addr_gpa2hva(vm, smram_gpa) + 0x8000, smi_handler, handler_size); + vcpu_set_msr(vcpu, MSR_IA32_SMBASE, smram_gpa); +} + +void inject_smi(struct kvm_vcpu *vcpu) +{ + struct kvm_vcpu_events events; + + vcpu_events_get(vcpu, &events); + events.smi.pending = 1; + events.flags |= KVM_VCPUEVENT_VALID_SMM; + vcpu_events_set(vcpu, &events); +} |